Rewrite of main.cpp using InkscapeApplication (Gtk::Application)

Use Gio::File for accessing files.
Use Gio options to handle command line arguments.
Use Gio::Actions for some command line arguments.
Move file export code to src/io/file-export-cmd.h/.cpp. Make into class.

14 files changed, 1859 insertions, 2255 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ba3fc37d1..e2ccea569 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -245,6 +245,7 @@ list(APPEND inkscape_SRC
 
 # All folders for internal inkscape
 # these call add_inkscape_source
+add_subdirectory(actions)
 add_subdirectory(debug)
 add_subdirectory(display)
 add_subdirectory(extension)
@@ -278,7 +279,13 @@ set(inkscape_SRC
 # -----------------------------------------------------------------------------
 # Setup the executable
 # -----------------------------------------------------------------------------
-set(main_SRC main.cpp)
+set(main_SRC
+  inkscape-main.cpp
+  inkscape-application.h
+  inkscape-application.cpp
+  actions/actions-base.h
+  actions/actions-base.cpp
+)
 set(view_SRC
   inkview-main.cpp
   inkview-application.h
diff --git a/src/actions/CMakeLists.txt b/src/actions/CMakeLists.txt
new file mode 100644
index 000000000..e16dbc505
--- /dev/null
+++ b/src/actions/CMakeLists.txt
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+set(actions_SRC
+  # actions-base.cpp
+
+  # HEADERS
+  # actions-base.h
+  )
+
+add_inkscape_source("${actions_SRC}")
diff --git a/src/actions/actions-base.cpp b/src/actions/actions-base.cpp
new file mode 100644
index 000000000..a3ff363a7
--- /dev/null
+++ b/src/actions/actions-base.cpp
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Gio::Actions tied to the application and independent of GUI.
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#include <iostream>
+
+#include <giomm.h>  // Not <gtkmm.h>! To eventually allow a headless version!
+
+#include "actions-base.h"
+
+#include "inkscape-application.h"
+
+#include "inkscape.h"             // Inkscape::Application
+#include "inkscape-version.h"     // Inkscape version
+#include "path-prefix.h"          // Extension directory
+#include "extension/init.h"       // List verbs
+#include "verbs.h"                // List verbs
+#include "selection.h"            // Selection
+#include "object/sp-root.h"       // query_all()
+#include "file.h"                 // dpi convert method
+
+void
+print_inkscape_version()
+{
+    std::cout << "Inkscape " << Inkscape::version_string << std::endl;
+}
+
+void
+print_extension_directory()
+{
+    std::cout << INKSCAPE_EXTENSIONDIR << std::endl;
+}
+
+void
+print_verb_list()
+{
+    // This really shouldn't go here, we should init the app.
+    // But, since we're just exiting in this path, there is
+    // no harm, and this is really a better place to put
+    // everything else.
+    Inkscape::Extension::init();  // extension/init.h
+    Inkscape::Verb::list();       // verbs.h
+}
+
+// Helper function: returns true if both document and selection found.
+bool
+get_document_and_selection(InkscapeApplication* app, SPDocument** document, Inkscape::Selection** selection)
+{
+    *document = app->get_active_document();
+    if (!(*document)) {
+        std::cerr << "get_document_and_selection: No document!" << std::endl;
+        return false;
+    }
+
+    Inkscape::ActionContext context = INKSCAPE.action_context_for_document(*document);
+    *selection = context.getSelection();
+    if (!*selection) {
+        std::cerr << "get_document_and_selection: No selection!" << std::endl;
+        return false;
+    }
+
+    return true;
+}
+
+void
+select_via_id(Glib::ustring ids, InkscapeApplication* app)
+{
+    SPDocument* document = nullptr;
+    Inkscape::Selection* selection = nullptr;
+    if (!get_document_and_selection(app, &document, &selection)) {
+        return;
+    }
+
+    auto tokens = Glib::Regex::split_simple("\\s*,\\s*", ids);
+    for (auto id : tokens) {
+        SPObject* object = document->getObjectById(id);
+        if (object) {
+            selection->add(object);
+        } else {
+            std::cerr << "select: did not find object with id: " << id << std::endl;
+        }
+    }
+}
+
+// Helper function for query_x(), query_y(), query_width(), and query_height().
+void
+query_dimension(InkscapeApplication* app, bool extent, Geom::Dim2 const axis)
+{
+    SPDocument* document = nullptr;
+    Inkscape::Selection* selection = nullptr;
+    if (!get_document_and_selection(app, &document, &selection)) {
+        return;
+    }
+
+    if (selection->isEmpty()) {
+        selection->add(document->getRoot());
+    }
+
+    bool first = true;
+    auto items = selection->items();
+    for (auto item : items) {
+        if (!first) {
+            std::cout << ",";
+        }
+        first = false;
+        Geom::OptRect area = item->documentVisualBounds();
+        if (area) {
+            if (extent) {
+                std::cout << area->dimensions()[axis];
+            } else {
+                std::cout << area->min()[axis];
+            }
+        } else {
+            std::cout << "0";
+        }
+    }
+    std::cout << std::endl;
+}
+
+void
+query_x(InkscapeApplication* app)
+{
+    query_dimension(app, false, Geom::X);
+}
+
+void
+query_y(InkscapeApplication* app)
+{
+    query_dimension(app, false, Geom::Y);
+}
+
+void
+query_width(InkscapeApplication* app)
+{
+    query_dimension(app, true, Geom::X);
+}
+
+void
+query_height(InkscapeApplication* app)
+{
+    query_dimension(app, true, Geom::Y);
+}
+
+// Helper for query_all()
+void
+query_all_recurse (SPObject *o)
+{
+    SPItem *item = dynamic_cast<SPItem*>(o);
+    if (item && item->getId()) {
+        Geom::OptRect area = item->documentVisualBounds();
+        if (area) {
+            std::cout << item->getId()               << ","
+                      << area->min()[Geom::X]        << ","
+                      << area->min()[Geom::Y]        << ","
+                      << area->dimensions()[Geom::X] << ","
+                      << area->dimensions()[Geom::Y] << std::endl;
+        }
+
+        for (auto& child: o->children) {
+            query_all_recurse (&child);
+        }
+    }
+}
+
+void
+query_all(InkscapeApplication* app)
+{
+    SPDocument* doc = app->get_active_document();
+    if (!doc) {
+        std::cerr << "query_all: no document!" << std::endl;
+        return;
+    }
+
+    SPObject *o = doc->getRoot();
+    if (o) {
+        query_all_recurse(o);
+    }
+}
+
+void
+pdf_page(int page)
+{
+    INKSCAPE.set_pdf_page(page);
+}
+
+void
+convert_dpi_method(Glib::ustring method)
+{
+    if (method == "none") {
+        sp_file_convert_dpi_method_commandline = FILE_DPI_UNCHANGED;
+    } else if (method == "scale-viewbox") {
+        sp_file_convert_dpi_method_commandline = FILE_DPI_VIEWBOX_SCALED;
+    } else if (method == "scale-document") {
+        sp_file_convert_dpi_method_commandline = FILE_DPI_DOCUMENT_SCALED;
+    } else {
+        std::cerr << "dpi_convert_method: invalid option" << std::endl;
+    }
+}
+
+void
+no_convert_baseline()
+{
+    sp_no_convert_text_baseline_spacing = true;
+}
+
+// Temporary: Verbs are to be replaced by Gio::Actions!
+void
+verbs(Glib::ustring verblist, InkscapeApplication* app)
+{
+    auto tokens = Glib::Regex::split_simple("\\s*,\\s*", verblist);
+    for (auto token : tokens) {
+        std::vector<Glib::ustring> parts = Glib::Regex::split_simple("\\s*:\\s*", token); // Second part is always ignored... we could implement it but better to switch to Gio::Actions
+        if (!parts[0].empty()) {
+            Inkscape::Verb* verb = Inkscape::Verb::getbyid(parts[0].c_str());
+            if (verb == nullptr) {
+                std::cerr << "verbs_action: Invalid verb: " << parts[0] << std::endl;
+                break;
+            }
+            // Inkscape::ActionContext context = INKSCAPE.action_context_for_document(*document);
+            SPAction* action = verb->get_action(INKSCAPE.active_action_context());
+            sp_action_perform(action, nullptr);  // Data is ignored!
+        }
+    }
+}
+
+void
+vacuum_defs(InkscapeApplication* app)
+{
+    SPDocument* document = nullptr;
+    Inkscape::Selection* selection = nullptr;
+    if (!get_document_and_selection(app, &document, &selection)) {
+        return;
+    }
+    document->vacuumDocument();
+}
+
+void
+add_actions_base(InkscapeApplication* app)
+{
+    // Note: "radio" actions are just an easy way to set type without using templating.
+    app->add_action("inkscape-version",                                                   sigc::ptr_fun(&print_inkscape_version   ));
+    app->add_action("extension-directory",                                                sigc::ptr_fun(&print_extension_directory));
+    app->add_action("verb-list",                                                          sigc::ptr_fun(&print_verb_list          ));
+
+    app->add_action_radio_integer( "open-page",                                           sigc::ptr_fun(&pdf_page),                             0);
+    app->add_action_radio_string(  "convert-dpi-method",                                  sigc::ptr_fun(&convert_dpi_method),              "none");
+    app->add_action(               "no-convert-baseline",                                 sigc::ptr_fun(&no_convert_baseline)                    );
+
+    app->add_action(               "vacuum-defs",        sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&vacuum_defs),               app)        );
+    app->add_action_radio_string(  "select",             sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&select_via_id),             app), "null");
+    app->add_action_radio_string(  "verb",               sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&verbs),                     app), "null");
+
+    app->add_action_radio_string(  "query-id",           sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&select_via_id),             app), "null"); // For backwards compatibility.
+    app->add_action(               "query-x",            sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&query_x),                   app)        );
+    app->add_action(               "query-y",            sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&query_y),                   app)        );
+    app->add_action(               "query-width",        sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&query_width),               app)        );
+    app->add_action(               "query-height",       sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&query_height),              app)        );
+    app->add_action(               "query-all",          sigc::bind<InkscapeApplication*>(sigc::ptr_fun(&query_all),                 app)        );
+
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/actions/actions-base.h b/src/actions/actions-base.h
new file mode 100644
index 000000000..a52078881
--- /dev/null
+++ b/src/actions/actions-base.h
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Gio::Actions tied to the application and without GUI.
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#ifndef INK_ACTIONS_BASE_H
+#define INK_ACTIONS_BASE_H
+
+class InkscapeApplication;
+
+void add_actions_base(InkscapeApplication* app);
+
+#endif // INK_ACTIONS_BASE_H
diff --git a/src/inkscape-application.cpp b/src/inkscape-application.cpp
new file mode 100644
index 000000000..3a4721963
--- /dev/null
+++ b/src/inkscape-application.cpp
@@ -0,0 +1,575 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * The main Inkscape application.
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#include <iostream>
+
+#include <glibmm/i18n.h>  // Internationalization
+
+#include "inkscape-application.h"
+
+#include "inkscape.h"             // Inkscape::Application
+#include "inkgc/gc-core.h"        // Garbage Collecting init
+#include "ui/widget/panel.h"      // Panel prep
+#include "file.h"                 // File open and window creation.
+#include "io/file.h"              // File open (command line).
+#include "desktop.h"              // Access to window
+#include "actions/actions-base.h" // Actions
+
+#ifdef ENABLE_NLS
+// Native Language Support - shouldn't this always be used?
+#include "helper/gettext.h"   // gettext init
+#endif // ENABLE_NLS
+
+// This is a bit confusing as there are two ways to handle command line arguments and files
+// depending on if the Gio::APPLICATION_HANDLES_OPEN and/or Gio::APPLICATION_HANDLES_COMMAND_LINE
+// flags are set. If the open flag is set and the command line not, the all the remainng arguments
+// after calling on_handle_local_options() are assumed to be filenames.
+
+InkscapeApplication::InkscapeApplication()
+    : Gtk::Application("org.inkscape.application.with_gui",
+                       Gio::APPLICATION_HANDLES_OPEN | // Use default file opening.
+                       Gio::APPLICATION_NON_UNIQUE   ) // Allows different instances of Inkscape to run at same time.
+    , _with_gui(true)
+{
+
+    // ==================== Initializations =====================
+    // Garbage Collector
+    Inkscape::GC::init();
+
+#ifdef ENABLE_NLS
+    // Native Language Support (shouldn't this always be used?).
+    Inkscape::initialize_gettext();
+#endif
+
+    Glib::set_application_name(N_("Inkscape - A Vector Drawing Program"));  // After gettext() init.
+
+    // ======================== Actions =========================
+    add_actions_base(this);  // actions that are GUI independent
+
+    // ====================== Command Line ======================
+
+    // Will automatically handle character conversions.
+    // Note: OPTION_TYPE_FILENAME => std::string, OPTION_TYPE_STRING => Glib::ustring.
+
+    // Actions
+    add_main_option_entry(OPTION_TYPE_STRING,   "actions",             'a', N_("Actions (with optional arguments), semi-colon separated."),     N_("ACTION(:ARGUMENT)"));
+    add_main_option_entry(OPTION_TYPE_BOOL,     "action-list",        '\0', N_("Actions: List available actions."),                                                  "");
+
+    // Query
+    add_main_option_entry(OPTION_TYPE_BOOL,     "version",             'v', N_("Print: Inkscape version."),                                                          "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "extensions-directory",'x', N_("Print: Extensions directory."),                                                      "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "verb-list",          '\0', N_("Print: List verbs."),                                                                "");
+
+    // Interface
+    add_main_option_entry(OPTION_TYPE_BOOL,     "with-gui",            'g', N_("GUI: With graphical interface."),                                                    "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "without-gui",         'G', N_("GUI: Console only."),                                                                "");
+
+    // Open/Import
+    add_main_option_entry(OPTION_TYPE_INT,      "pdf-page",           '\0', N_("Open: PDF page to import"),         N_("PAGE"));
+    add_main_option_entry(OPTION_TYPE_STRING,   "convert-dpi-method", '\0', N_("Open: Method used to convert pre-0.92 document dpi, if needed: [none|scale-viewbox|scale-document]."), "[...]");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "no-convert-text-baseline-spacing", 0, N_("Open: Do not fix pre-0.92 document's text baseline spacing on opening."), "");
+
+    // Query - Geometry
+    add_main_option_entry(OPTION_TYPE_STRING,   "query-id",            'I', N_("Query: ID of object to be queried."),                                          N_("ID"));
+    add_main_option_entry(OPTION_TYPE_BOOL,     "query-all",           'S', N_("Query: Print bounding boxes of all objects."),                                       "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "query-x",             'X', N_("Query: X coordinate of drawing or object (if specified by --query-id)."),            "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "query-y",             'Y', N_("Query: Y coordinate of drawing or object (if specified by --query-id)."),            "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "query-width",         'W', N_("Query: Width of drawing or object (if specified by --query-id)."),                   "");
+    add_main_option_entry(OPTION_TYPE_BOOL,     "query-height",        'H', N_("Query: Heightof drawing or object (if specified by --query-id)."),                   "");
+
+    // Processing
+    add_main_option_entry(OPTION_TYPE_BOOL,     "vacuum-defs",        '\0', N_("Process: Remove unused definitions from the <defs> section(s) of document."),        "");
+    add_main_option_entry(OPTION_TYPE_STRING,   "select",             '\0', N_("Process: Select objects: comma separated list of IDs."),   N_("OBJECT-ID[,OBJECT-ID]*"));
+    add_main_option_entry(OPTION_TYPE_STRING,   "verb",               '\0', N_("Process: Verb(s) to call when Inkscape opens."),               N_("VERB-ID[,VERB-ID]*"));
+  //add_main_option_entry(OPTION_TYPE_BOOL,     "shell",              '\0', N_("Process: Start Inkscape in interative shell mode."),                                 "");
+
+    // Export - File and File Type
+    add_main_option_entry(OPTION_TYPE_STRING,   "export-type",        '\0', N_("Export: File type:[svg,png,ps,psf,tex,emf,wmf,xaml]"),                          "[...]");
+    add_main_option_entry(OPTION_TYPE_FILENAME, "export-file",         'o', N_("Export: File name"),                                              N_("EXPORT-FILENAME"));
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-overwrite",   '\0', N_("Export: Overwrite input file."),                                                     ""); // BSP
+
+    //                                                                                                                                          B = PNG, S = SVG, P = PS/EPS/PDF
+    // Export - Geometry
+    add_main_option_entry(OPTION_TYPE_STRING,   "export-area",         'a', N_("Export: Area to export in SVG user units."),                          N_("x0:y0:x1:y1")); // BSP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-drawing",      'D', N_("Export: Area to export is drawing (not page)."),                                     ""); // BSP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-page",         'C', N_("Export: Area to export is page."),                                                   ""); // BSP
+    add_main_option_entry(OPTION_TYPE_INT,      "export-margin",      '\0', N_("Export: Margin around export area: units of page size for SVG, mm for PS/EPS/PDF."), ""); // xSP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-area-snap",   '\0', N_("Export: Snap the bitmap export area outwards to the nearest integer values."),       ""); // Bxx
+    add_main_option_entry(OPTION_TYPE_INT,      "export-width",        'w', N_("Export: Bitmap width in pixels (overrides --export-dpi)."),                 N_("WIDTH")); // Bxx
+    add_main_option_entry(OPTION_TYPE_INT,      "export-height",       'h', N_("Export: Bitmap height in pixels (overrides --export-dpi)."),               N_("HEIGHT")); // Bxx
+
+    // Export - Options
+    add_main_option_entry(OPTION_TYPE_STRING,   "export-id",           'i', N_("Export: ID of object to export."),                                      N_("OBJECT-ID")); // BSP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-id-only",      'j', N_("Export: Hide all objects except object with ID selected by export-id."),             ""); // BSx
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-plain-svg",    'l', N_("Export: Remove items in the Inkscape namespace."),                                   ""); // xSx
+    add_main_option_entry(OPTION_TYPE_INT,      "export-dpi",          'd', N_("Export: Resolution for rasterization bitmaps and filters (default is 96)."),  N_("DPI")); // BxP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-ignore-filters", '\0', N_("Export: Render objects without filters instead of rasterizing. (PS/EPS/PDF)"),    ""); // xxP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-text-to-path", 'T', N_("Export: Convert text to paths. (PS/EPS/PDF/SVG)."),                                  ""); // xxP
+    add_main_option_entry(OPTION_TYPE_INT,      "export-ps-level",    '\0', N_("Export: Postscript level (2 or 3). Default is 3."),                      N_("PS-Level")); // xxP
+    add_main_option_entry(OPTION_TYPE_STRING,   "export-pdf-level",   '\0', N_("Export: PDF level (1.4 or 1.5)"),                                       N_("PDF-Level")); // xxP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-latex",       '\0', N_("Export: Export text separately to LaTeX file (PS/EPS/PDF). Include via \\input{file.tex}"), ""); // xxP
+    add_main_option_entry(OPTION_TYPE_BOOL,     "export-use-hints",    't', N_("Export: Use stored filename and DPI hints when exporting object selected by --export-id."), ""); // Bxx
+    add_main_option_entry(OPTION_TYPE_STRING,   "export-background",   'b', N_("Export: Background color for exported bitmaps (any SVG color string)."),    N_("COLOR")); // Bxx
+    add_main_option_entry(OPTION_TYPE_DOUBLE,   "export-background-opacity", 'y', N_("Export: Background opacity for exported bitmaps (either 0.0 to 1.0 or 1 to 255)."), N_("VALUE")); // Bxx
+
+#ifdef WITH_YAML
+    add_main_option_entry(OPTION_TYPE_FILENAME, "xverbs",             '\0', N_("Process: xverb command file."),                                   N_("XVERBS-FILENAME"));
+#endif // WITH_YAML
+
+#ifdef WITH_DBUS
+    add_main_option_entry(OPTION_TYPE_BOOL,     "dbus-listen",        '\0', N_("D-Bus: Enter a listening loop for D-Bus messages in console mode."),                 "");
+    add_main_option_entry(OPTION_TYPE_STRING,   "dbus-name",          '\0', N_("D-Bus: Specify the D-Bus name (default is 'org.inkscape')."),            N_("BUS-NAME"));
+#endif // WITH_DBUS
+    
+    signal_handle_local_options().connect(sigc::mem_fun(*this, &InkscapeApplication::on_handle_local_options));
+
+    // This is normally called for us... but after the "handle_local_options" signal is emitted. If
+    // we want to rely on actions for handling options, we need to call it here. This appears to
+    // have no unwanted side-effect. It will also trigger the call to on_startup().
+    register_application();
+}
+
+Glib::RefPtr<InkscapeApplication> InkscapeApplication::create()
+{
+    return Glib::RefPtr<InkscapeApplication>(new InkscapeApplication());
+}
+
+SPDocument*
+InkscapeApplication::get_active_document()
+{
+    // This should change based on last document window in focus if with GUI.  But for now we're
+    // only using it for command line mode so return last document (the one currently be read in).
+    return _documents.back();
+}
+
+void
+InkscapeApplication::on_startup()
+{
+    Gtk::Application::on_startup();
+}
+
+// Here are things that should be in on_startup() but cannot be as we don't set _with_gui until
+// on_handle_local_options() is called.
+void
+InkscapeApplication::on_startup2()
+{
+    // This should be completely rewritten.
+    Inkscape::Application::create(nullptr, _with_gui); // argv appears to not be used.
+
+    if (!_with_gui) {
+        return;
+    }
+
+    // ======================= Actions (GUI) ======================
+    add_action("new",    sigc::mem_fun(*this, &InkscapeApplication::on_new   ));
+    add_action("quit",   sigc::mem_fun(*this, &InkscapeApplication::on_quit  ));
+
+    // ========================= GUI Init =========================
+    Gtk::Window::set_default_icon_name("inkscape");
+    Inkscape::UI::Widget::Panel::prep();
+
+    // ========================= Builder ==========================
+    _builder = Gtk::Builder::create();
+
+    try
+    {
+        _builder->add_from_file("ink-application.xml");
+    }
+    catch (const Glib::Error& ex)
+    {
+        std::cerr << "InkscapeApplication: ink_application.xml file not read! " << ex.what() << std::endl;
+    }
+
+    auto object = _builder->get_object("menu-application");
+    auto menu = Glib::RefPtr<Gio::Menu>::cast_dynamic(object);
+    if (!menu) {
+        std::cerr << "InkscapeApplication: failed to load application menu!" << std::endl;
+    } else {
+        set_app_menu(menu);
+    }
+}
+
+// Open document window with default document. Either this or on_open() is called.
+void
+InkscapeApplication::on_activate()
+{
+    on_startup2();
+
+    if (_with_gui) {
+        create_window();
+    } else {
+        std::cerr << "InkscapeApplication::on_activate:  Without GUI" << std::endl;
+        // Create blank document?
+    }
+}
+
+// Open document window for each file. Either this or on_activate() is called.
+// type_vec_files == std::vector<Glib::RefPtr<Gio::File> >
+void
+InkscapeApplication::on_open(const Gio::Application::type_vec_files& files, const Glib::ustring& hint)
+{
+    on_startup2();
+
+    for (auto file : files) {
+        if (_with_gui) {
+            // Create a window for each file.
+
+            create_window(file);
+
+            // Process each file.
+            for (auto action: _command_line_actions) {
+                activate_action( action.first, action.second );
+            }
+
+        } else {
+
+            // Open file
+            SPDocument *doc = ink_file_open(file);
+            if (!doc) continue;
+
+            // Add to Inkscape::Application...
+            INKSCAPE.add_document(doc);
+
+            doc->ensureUpToDate(); // Or queries don't work!
+
+            // Add to our application
+            _documents.push_back(doc);
+
+            // process_file(file);
+            for (auto action: _command_line_actions) {
+                activate_action( action.first, action.second );
+            }
+
+            // Save... can't use action yet.
+            _file_export.do_export(doc, file->get_path());
+
+            // Remove from our application... we only have one in command-line mode.
+            _documents.pop_back();
+
+            // Close file
+            INKSCAPE.remove_document(doc);
+            delete doc;
+        }
+    }
+
+    //Call the base class's implementation:
+    // Gtk::Application::on_open(files, hint);
+}
+
+void
+InkscapeApplication::create_window(const Glib::RefPtr<Gio::File>& file)
+{
+    SPDesktop* desktop = nullptr;
+    if (file) {
+        desktop = sp_file_new_default();
+        sp_file_open(file->get_parse_name(), nullptr, false, true);
+    } else {
+        desktop = sp_file_new_default();
+    }
+
+    _documents.push_back(desktop->getDocument());
+
+    // Add to Gtk::Window to app window list.
+    add_window(*desktop->getToplevel());
+}
+
+// ========================= Callbacks ==========================
+
+/*
+ * Handle command line options.
+ *
+ * Options are processed in the order they appear in this function.
+ * We process in order: Print -> GUI -> Open -> Query -> Process -> Export.
+ * For each file without GUI: Open -> Query -> Process -> Export 
+ * More flexible processing can be done via actions or xverbs.
+ */
+int
+InkscapeApplication::on_handle_local_options(const Glib::RefPtr<Glib::VariantDict>& options)
+{
+    if (!options) {
+        std::cerr << "InkscapeApplication::on_handle_local_options: options is null!" << std::endl;
+        return -1; // Keep going
+    }
+
+    // ===================== QUERY =====================
+    // These are processed first as they result in immediate program termination.
+    if (options->contains("version")) {
+        activate_action("inkscape-version");
+        return EXIT_SUCCESS;
+    }
+
+    if (options->contains("extensions-directory")) {
+        activate_action("extensions-directory");
+        return EXIT_SUCCESS;
+    }
+
+    if (options->contains("verb-list")) {
+        activate_action("verb-list");
+        return EXIT_SUCCESS;
+    }
+
+    if (options->contains("action-list")) {
+        std::cerr << "action-list: not implemented" << std::endl;
+        list_actions(); // Doesn't work... member of Gio::ActionGroup, not Gio::ActionMap.
+        return EXIT_SUCCESS;
+    }
+
+    // For options without arguments.
+    auto base = Glib::VariantBase();
+
+    // ====================== GUI  =====================
+    if (options->contains("without-gui"))    _with_gui = false;
+    if (options->contains("with-gui"))       _with_gui = true;
+
+    // Some options should preclude using gui!
+    if (options->contains("query-id")      ||
+        options->contains("query-x")       ||
+        options->contains("query-all")     ||
+        options->contains("query-y")       ||
+        options->contains("query-width")   ||
+        options->contains("query-height")  ||
+        options->contains("export-type")   ||
+        options->contains("export-file")   ||
+        options->contains("export-overwrite")
+        ) {
+        _with_gui = false;
+    }
+
+    // ==================== ACTIONS ====================
+    // Actions as an argument string: e.g.: --actions="query-id:rect1;query-x".
+    // Actions will be processed in order that they are given in argument.
+    Glib::ustring actions;
+    if (options->contains("actions")) {
+        options->lookup_value("actions", actions);
+
+        // Split action list
+        std::vector<Glib::ustring> tokens = Glib::Regex::split_simple("\\s*;\\s*", actions);
+        for (auto token : tokens) {
+            std::cout << token << std::endl;
+            std::vector<Glib::ustring> tokens2 = Glib::Regex::split_simple("\\s*:\\s*", token);
+            std::string action;
+            std::string value;
+            if (tokens2.size() > 0) {
+                action = tokens2[0];
+            }
+            if (tokens2.size() > 1) {
+                value = tokens2[1];
+            }
+
+            Glib::RefPtr<Gio::Action> action_ptr = lookup_action(action);
+            if (action_ptr) {
+                // Doesn't seem to be a way to test this using the C++ binding without Glib-CRITICAL errors.
+                const  GVariantType* gtype = g_action_get_parameter_type(action_ptr->gobj());
+                if (gtype) {
+                    // With value.
+                    Glib::VariantType type = action_ptr->get_parameter_type();
+                    if (type.get_string() == "s") {
+                        _command_line_actions.push_back(
+                            std::make_pair( action, Glib::Variant<Glib::ustring>::create(value) ));
+                    } else if (type.get_string() == "i") {
+                        _command_line_actions.push_back(
+                            std::make_pair( action, Glib::Variant<int>::create(std::stoi(value))));
+                    } else if (type.get_string() == "d") {
+                        _command_line_actions.push_back(
+                            std::make_pair( action, Glib::Variant<double>::create(std::stod(value))));
+                    } else {
+                        std::cerr << "InkscapeApplication::on_handle_local_options: unhandled action value: "
+                                  << action << ": " << type.get_string() << std::endl;
+                    }
+                } else {
+                    // Stateless (i.e. no value).
+                    _command_line_actions.push_back( std::make_pair( action, Glib::VariantBase() ) );
+                }
+            } else {
+                std::cerr << "InkscapeApplication::on_handle_local_options: '"
+                          << action << "' is not a valid action!" << std::endl;
+            }
+        }
+    }
+
+
+    // ================= OPEN/IMPORT ===================
+
+    if (options->contains("pdf-page")) {   // Maybe useful for other file types?
+        int page = 0;
+        options->lookup_value("pdf-page", page);
+        _command_line_actions.push_back(
+            std::make_pair("open-page", Glib::Variant<int>::create(page)));
+    }
+
+    if (options->contains("convert-dpi-method")) {
+        Glib::ustring method;
+        options->lookup_value("convert-dpi-method", method);
+        if (!method.empty()) {
+            _command_line_actions.push_back(
+                std::make_pair("convert-dpi-method", Glib::Variant<Glib::ustring>::create(method)));
+        }
+    }
+
+    if (options->contains("no-convert-text-baseline-spacing")) _command_line_actions.push_back(std::make_pair("no-convert-baseline", base));
+
+
+    // ===================== QUERY =====================
+
+    // 'query-id' should be processed first! Idea: We could turn this into a comma separated list.
+    if (options->contains("query-id")) {
+        Glib::ustring query_id;
+        options->lookup_value("query-id", query_id);
+        if (!query_id.empty()) {
+            _command_line_actions.push_back(
+                std::make_pair("query-id", Glib::Variant<Glib::ustring>::create(query_id)));
+        }
+    }
+
+    if (options->contains("query-all"))    _command_line_actions.push_back(std::make_pair("query-all",   base));
+    if (options->contains("query-x"))      _command_line_actions.push_back(std::make_pair("query-x",     base));
+    if (options->contains("query-y"))      _command_line_actions.push_back(std::make_pair("query-y",     base));
+    if (options->contains("query-width"))  _command_line_actions.push_back(std::make_pair("query-width", base));
+    if (options->contains("query-height")) _command_line_actions.push_back(std::make_pair("query-height",base));
+
+
+    // =================== PROCESS =====================
+
+    // Note: this won't work with --verb="FileSave,FileClose" unless some additional verb changes the file. FIXME
+    // One can use --verb="FileVacuum,FileSave,FileClose".
+    if (options->contains("vacuum-defs"))  _command_line_actions.push_back(std::make_pair("vacuum-defs", base));
+
+    if (options->contains("select")) {
+        Glib::ustring select;
+        options->lookup_value("select", select);
+        if (!select.empty()) {
+            _command_line_actions.push_back(
+                std::make_pair("select", Glib::Variant<Glib::ustring>::create(select)));
+        }
+    }
+
+    if (options->contains("verb")) {
+        Glib::ustring verb;
+        options->lookup_value("verb", verb);
+        if (!verb.empty()) {
+            _command_line_actions.push_back(
+                std::make_pair("verb", Glib::Variant<Glib::ustring>::create(verb)));
+        }
+    }
+
+    // ==================== EXPORT =====================
+    if (options->contains("export-file")) {
+        options->lookup_value("export-file",      _file_export.export_filename);
+    }
+
+    if (options->contains("export-type")) {
+        options->lookup_value("export-type",      _file_export.export_type);
+    }
+
+    if (options->contains("export-overwrite"))    _file_export.export_overwrite    = true;
+
+    // Export - Geometry
+    if (options->contains("export-area")) {
+        options->lookup_value("export-area",      _file_export.export_area);
+    }
+
+    if (options->contains("export-area-drawing")) _file_export.export_area_drawing = true;
+    if (options->contains("export-area-page"))    _file_export.export_area_page    = true;
+
+    if (options->contains("export-margin")) {
+        options->lookup_value("export-margin",    _file_export.export_margin);
+    }
+
+    if (options->contains("export-area-snap"))    _file_export.export_area_snap    = true;
+
+    if (options->contains("export-width")) {
+        options->lookup_value("export-width",     _file_export.export_width);
+    }
+
+    if (options->contains("export-height")) {
+        options->lookup_value("export-height",    _file_export.export_height);
+    }
+
+    // Export - Options
+    if (options->contains("export-id")) {
+        options->lookup_value("export-id",        _file_export.export_id);
+    }
+
+    if (options->contains("export-id-only"))      _file_export.export_id_only     = true;
+    if (options->contains("export-plain-svg"))    _file_export.export_plain_svg      = true;
+
+    if (options->contains("export-dpi")) {
+        options->lookup_value("export-dpi",       _file_export.export_dpi);
+    }
+
+    if (options->contains("export-ignore-filters")) _file_export.export_ignore_filters = true;
+    if (options->contains("export-text-to-path"))   _file_export.export_text_to_path   = true;
+
+    if (options->contains("export-ps-level")) {
+        options->lookup_value("export-ps-level",  _file_export.export_ps_level);
+    }
+
+    if (options->contains("export-pdf-level")) {
+        options->lookup_value("export-pdf-level", _file_export.export_pdf_level);
+    }
+
+    if (options->contains("export-latex"))        _file_export.export_latex       = true;
+    if (options->contains("export-use-hints"))    _file_export.export_use_hints   = true;
+
+    if (options->contains("export-background")) {
+        options->lookup_value("export-background",_file_export.export_background);
+    }
+
+    if (options->contains("export-background-opacity")) {
+        options->lookup_value("export-background-opacity", _file_export.export_background_opacity);
+    }
+
+
+    // ==================== D-BUS ======================
+
+#ifdef WITH_DBUS
+    // Before initializing extensions, we must set the DBus bus name if required
+    if (options->contains("dbus-listen")) {
+        std::string dbus_name;
+        options->lookup_value("dbus-name", dbus_name);
+        if (!dbus_name.empty()) {
+            Inkscape::Extension::Dbus::dbus_set_bus_name(dbus_name.c_str());
+        }
+    }
+#endif
+
+    return -1; // Keep going
+}
+
+//   ========================  Actions  =========================
+
+void
+InkscapeApplication::on_new()
+{
+    create_window();
+}
+
+void
+InkscapeApplication::on_quit()
+{
+    // Delete all windows (quit() doesn't do this).
+    std::vector<Gtk::Window*> windows = get_windows();
+    for (auto window: windows) {
+        // Do something
+    }
+
+    quit();
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/inkscape-application.h b/src/inkscape-application.h
new file mode 100644
index 000000000..b176c2921
--- /dev/null
+++ b/src/inkscape-application.h
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * The main Inkscape application.
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#ifndef INKSCAPE_APPLICATION_H
+#define INKSCAPE_APPLICATION_H
+
+/*
+ * The main Inkscape application.
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#include <gtkmm.h>
+
+#include "document.h"
+#include "helper/action.h"
+#include "io/file-export-cmd.h"   // File export (non-verb)
+
+class InkscapeApplication : public Gtk::Application
+{
+protected:
+    InkscapeApplication();
+
+public:
+    static Glib::RefPtr<InkscapeApplication> create();
+
+    SPDocument* get_active_document();
+
+protected:
+    void on_startup()  override;
+    void on_startup2();
+    void on_activate() override;
+    void on_open(const Gio::Application::type_vec_files& files, const Glib::ustring& hint) override;
+
+private:
+    void create_window(const Glib::RefPtr<Gio::File>& file = Glib::RefPtr<Gio::File>());
+
+private:
+    // Callbacks
+    int  on_handle_local_options(const Glib::RefPtr<Glib::VariantDict>& options);
+
+    // Actions
+    void on_new();
+    void on_quit();
+    void on_about();
+
+    Glib::RefPtr<Gtk::Builder> _builder;
+
+    bool _with_gui;
+    InkFileExportCmd _file_export;
+
+    // Documents are owned by the application which is responsible for opening/saving/exporting. WIP
+    std::vector<SPDocument*> _documents;
+
+    // Actions from the command line or file.
+    std::vector<std::pair<std::string, Glib::VariantBase> > _command_line_actions;
+};
+
+#endif // INKSCAPE_APPLICATION_H
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/inkscape-main.cpp b/src/inkscape-main.cpp
new file mode 100644
index 000000000..52d3e7873
--- /dev/null
+++ b/src/inkscape-main.cpp
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Inkscape - an ambitious vector drawing program
+ *
+ * Authors:
+ * Tavmjong Bah
+ *
+ * (C) 2018 Tavmjong Bah
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "inkscape-application.h"
+
+
+int main(int argc, char *argv[])
+{
+    auto application = InkscapeApplication::create();
+
+    return application->run(argc, argv);
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/inkscape.cpp b/src/inkscape.cpp
index 19438b437..acac67649 100644
--- a/src/inkscape.cpp
+++ b/src/inkscape.cpp
@@ -67,7 +67,7 @@
 Inkscape::Application * Inkscape::Application::_S_inst = nullptr;
 bool Inkscape::Application::_crashIsHappening = false;
 
-#define DESKTOP_IS_ACTIVE(d) (!INKSCAPE._desktops->empty() && ((d) == INKSCAPE._desktops->front()))
+#define DESKTOP_IS_ACTIVE(d) (INKSCAPE._desktops != nullptr && !INKSCAPE._desktops->empty() && ((d) == INKSCAPE._desktops->front()))
 
 static void (* segv_handler) (int) = SIG_DFL;
 static void (* abrt_handler) (int) = SIG_DFL;
@@ -609,7 +609,7 @@ Application::~Application()
     _S_inst = nullptr; // this will probably break things
 
     refCount = 0;
-    gtk_main_quit ();
+    // gtk_main_quit ();
 }
 
 /** Sets the keyboard modifer to map to Alt.
@@ -1279,6 +1279,7 @@ Application::action_context_for_document(SPDocument *doc)
     // Document is not associated with any desktops - maybe we're in command-line mode
     std::map<SPDocument *, AppSelectionModel *>::iterator sel_iter = _selection_models.find(doc);
     if (sel_iter == _selection_models.end()) {
+        std::cout << "Application::action_context_for_document: no selection model" << std::endl;
         return Inkscape::ActionContext();
     }
     return Inkscape::ActionContext(sel_iter->second->getSelection());
@@ -1309,7 +1310,7 @@ Application::exit ()
     signal_shut_down.emit();
 
     Inkscape::Preferences::unload();
-    gtk_main_quit ();
+    //gtk_main_quit ();
 }
 
 
diff --git a/src/io/CMakeLists.txt b/src/io/CMakeLists.txt
index 8c1322b94..cef86f637 100644
--- a/src/io/CMakeLists.txt
+++ b/src/io/CMakeLists.txt
@@ -2,6 +2,8 @@
 
 set(io_SRC
   dir-util.cpp
+  file.cpp
+  file-export-cmd.cpp
   resource.cpp
   resource-manager.cpp
   stream/bufferstream.cpp
@@ -16,6 +18,8 @@ set(io_SRC
   # -------
   # Headers
   dir-util.h
+  file.h
+  file-export-cmd.h
   resource.h
   resource-manager.h
   stream/bufferstream.h
diff --git a/src/io/file-export-cmd.cpp b/src/io/file-export-cmd.cpp
new file mode 100644
index 000000000..46847634b
--- /dev/null
+++ b/src/io/file-export-cmd.cpp
@@ -0,0 +1,678 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * File export from the command line. This code, greatly modified, use to be in main.cpp. It should
+ * be replaced by code shared code shared with the file dialog (Gio::Actions?).
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * Git blame shows that bulia byak is the main author of the orignal export code from
+ * main.cpp. Other authors of note include Nicolas Dufour, Vinicius dos Santos Oliveira, and Bob
+ * Jamison; none of whom bothered to add their names to the copyright of main.cc.
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#include "file-export-cmd.h"
+
+#include <png.h> // PNG export
+
+#include "document.h"
+#include "object/sp-item.h"
+#include "object/sp-root.h"
+#include "object/sp-text.h"
+#include "object/sp-flowtext.h"
+#include "object/sp-namedview.h"
+#include "object/sp-object-group.h"
+#include "path-chemistry.h" // sp_item_list_to_curves
+#include "text-editing.h" // te_update_layout_now_recursive
+#include "selection-chemistry.h" // fit_canvas_to_drawing
+#include "svg/svg-color.h" // Background color
+#include "helper/png-write.h" // PNG Export
+
+#include "extension/extension.h"
+#include "extension/system.h"
+#include "extension/db.h"
+#include "extension/output.h"
+#include "extension/init.h"
+
+InkFileExportCmd::InkFileExportCmd()
+    : over_write(false)
+    , export_type("svg")
+    , export_overwrite(false)
+    , export_area_drawing(false)
+    , export_area_page(false)
+    , export_margin(0)
+    , export_area_snap(false)
+    , export_use_hints(false)
+    , export_width(0)
+    , export_height(0)
+    , export_dpi(0)
+    , export_ignore_filters(false)
+    , export_text_to_path(false)
+    , export_ps_level(3)
+    , export_pdf_level("1.5")
+    , export_latex(false)
+    , export_id_only(false)
+    , export_background_opacity(1.0)
+    , export_plain_svg(false)
+{
+}
+
+void
+InkFileExportCmd::do_export(SPDocument* doc, std::string filename_in)
+{
+
+    std::string filename_out = get_filename_out(filename_in);
+
+    // We need a valid file name to write to unless we're using PNG export hints.
+    if (!(export_type == "png" && export_use_hints)) {
+
+        // Check for file name.
+        if (filename_out.empty()) {
+            std::cerr << "InkFileExportCmd::do_export: Could not determine ouput file name!" << std::endl;
+            return;
+        }
+
+        // Check if directory exists.
+        std::string directory = Glib::path_get_dirname(filename_out);
+        if (!Glib::file_test(directory, Glib::FILE_TEST_IS_DIR)) {
+            std::cerr << "InkFileExportCmd::do_export: File path includes directory that does not exist! " << directory << std::endl;
+            return;
+        }
+    }
+
+    if (export_type == "svg") {
+
+        do_export_svg(doc, filename_out);
+
+    } else if (export_type == "png") {
+
+        do_export_png(doc, filename_out);
+
+    } else if (export_type == "ps") {
+
+        do_export_ps_pdf(doc, filename_out, "image/x-postscript");
+
+    } else if (export_type == "eps") {
+
+        do_export_ps_pdf(doc, filename_out, "image/x-e-postscript");
+
+    } else if (export_type == "pdf") {
+
+        do_export_ps_pdf(doc, filename_out, "application/pdf");
+
+    } else if (export_type == "emf") {
+
+        do_export_win_metafile(doc, filename_out, "image/x-emf");
+
+    } else if (export_type == "wmf") {
+
+        do_export_win_metafile(doc, filename_out, "image/x-wmf");
+
+    } else if (export_type == "xaml") {
+
+        do_export_win_metafile(doc, filename_out, "text/xml+xaml");
+
+    } else {
+
+        std::cerr << "InkFileExportCmd::export: Unknown export type: " << export_type << std::endl;
+    }
+}
+
+std::string
+InkFileExportCmd::get_filename_out(std::string filename_in)
+{
+
+    if (export_type != "svg"     &&
+        export_type != "png"     &&
+        export_type != "ps"      &&
+        export_type != "eps"     &&
+        export_type != "pdf"     &&
+        export_type != "emf"     &&
+        export_type != "wmf"     &&
+        export_type != "xaml"    &&
+        export_type != "svg"     ) {
+        std::cerr << "InkFileExportCmd::get_filename_out: Invalid export-type: " << export_type
+                  << "  Allowed values: [svg,png,ps,eps,pdf,emf,wmf,xaml]." << std::endl;
+        return (std::string());
+    }
+
+    // Writing to pipe.
+    if (export_filename == "-") {
+        return export_filename;
+    }
+
+    // Use export_filename if given.
+    if (!export_filename.empty()) {
+        // Check file extension matches file_type.
+        auto extension_pos = export_filename.find_last_of('.');
+
+        if (extension_pos == std::string::npos) {
+            std::cerr << "InkFileExportCmd::get_filename_out: no export_filename extension: " << export_filename << std::endl;
+            return (std::string());
+        }
+
+        std::string extension = export_filename.substr(extension_pos+1);
+        if (export_type != extension) {
+            std::cerr << "InkFileExportCmd::get_filename_out: mismatch between export_filename extension and export_type: "
+                      << extension << ", " << export_type << std::endl;
+            return (std::string());
+        }
+
+        return export_filename;
+    }
+
+    // Construct output filename from input filename and export_type.
+    auto extension_pos = filename_in.find_last_of('.');
+    if (extension_pos == std::string::npos) {
+        std::cerr << "InkFileExportCmd::get_filename_out: cannot determine input file type from filename extension: " << filename_in << std::endl;
+        return (std::string());
+    }
+
+    std::string extension = filename_in.substr(extension_pos+1);
+    if (export_type == extension) {
+        if (export_overwrite) {
+            return filename_in;
+        } else {
+            // Add extra characters to filename.
+            filename_in.insert(extension_pos, "_out");
+            return filename_in;
+        }
+    } else {
+        return (filename_in.substr(0,extension_pos+1) + export_type);
+    }
+}
+    
+/**
+ *  Perform an SVG export
+ *
+ *  \param doc Document to export.
+ */
+int
+InkFileExportCmd::do_export_svg(SPDocument* doc, std::string filename_out)
+{
+    if (export_text_to_path) {
+        std::vector<SPItem*> items;
+        SPRoot *root = doc->getRoot();
+        doc->ensureUpToDate();
+        for (auto& iter: root->children) {
+            SPItem* item = (SPItem*) &iter;
+            if (! (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item) || SP_IS_GROUP(item))) {
+                continue;
+            }
+
+            te_update_layout_now_recursive(item);
+            items.push_back(item);
+        }
+
+        std::vector<SPItem*> selected;  // Not used
+        std::vector<Inkscape::XML::Node*> to_select;  // Not used
+
+        sp_item_list_to_curves(items, selected, to_select);
+    }
+
+    if (export_margin != 0) {
+        gdouble margin = export_margin;
+        doc->ensureUpToDate();
+        SPNamedView *nv;
+        Inkscape::XML::Node *nv_repr;
+        if ((nv = sp_document_namedview(doc, nullptr)) && (nv_repr = nv->getRepr())) {
+            sp_repr_set_svg_double(nv_repr, "fit-margin-top", margin);
+            sp_repr_set_svg_double(nv_repr, "fit-margin-left", margin);
+            sp_repr_set_svg_double(nv_repr, "fit-margin-right", margin);
+            sp_repr_set_svg_double(nv_repr, "fit-margin-bottom", margin);
+        }
+    }
+
+    if(export_area_drawing) {
+        fit_canvas_to_drawing(doc, export_margin != 0 ? true : false);
+    }
+
+    if(!export_id.empty()) {
+        doc->ensureUpToDate();
+
+        // "crop" the document to the specified object, cleaning as we go.
+        SPObject *obj = doc->getObjectById(export_id);
+        if (export_id_only) {
+            // If -j then remove all other objects to complete the "crop"
+            doc->getRoot()->cropToObject(obj);
+        }
+        Inkscape::ObjectSet s(doc);
+        s.set(obj);
+        if (!export_area_page) {
+            s.fitCanvas(export_margin ? true : false);
+        }
+    }
+
+    int ret = 0;
+    if (export_plain_svg) {
+
+        try {
+            Inkscape::Extension::save(Inkscape::Extension::db.get("org.inkscape.output.svg.plain"), doc, filename_out.c_str(), false,
+                        false, false, Inkscape::Extension::FILE_SAVE_METHOD_SAVE_COPY);
+        } catch (Inkscape::Extension::Output::save_failed &e) {
+            std::cerr << "InkFileExportCmd::do_export_svg: Failed to save SVG to: " << filename_out << std::endl;
+            ret = 1;
+        }
+
+    } else {
+
+        // Export as inkscape SVG.
+        try {
+            Inkscape::Extension::save(Inkscape::Extension::db.get("org.inkscape.output.svg.inkscape"), doc, filename_out.c_str(), false,
+                        false, false, Inkscape::Extension::FILE_SAVE_METHOD_INKSCAPE_SVG);
+        } catch (Inkscape::Extension::Output::save_failed &e) {
+            std::cerr << "InkFileExportCmd::do_export_svg: Failed to save Inkscape SVG to: " << filename_out << std::endl;
+            ret = 1;
+        }
+    }
+    return ret;
+}
+
+
+/**
+ *  Perform a PNG export
+ *
+ *  \param doc Document to export.
+ */
+int
+InkFileExportCmd::do_export_png(SPDocument *doc, std::string filename_in)
+{
+    std::string filename = filename_in;
+
+    bool filename_from_hint = false;
+    gdouble dpi = 0.0;
+
+    if (export_use_hints && (export_id.empty() && !export_area_drawing)) {
+        g_warning ("--export-use-hints can only be used with --export-id or --export-area-drawing; ignored.");
+    }
+
+    std::vector<SPItem*> items;
+
+    // Find export area.
+    Geom::Rect area;
+    if (!export_id.empty() || export_area_drawing) {
+
+        SPObject *o = nullptr;
+        SPObject *o_area = nullptr;
+        if (!export_id.empty() && export_area_drawing) {
+            o = doc->getObjectById(export_id);
+            o_area = doc->getRoot();
+        } else if (!export_id.empty()) {
+            o = doc->getObjectById(export_id);
+            o_area = o;
+        } else if (export_area_drawing) {
+            o = doc->getRoot();
+            o_area = o;
+        }
+
+        if (o) {
+            if (!SP_IS_ITEM (o)) {
+                g_warning("Object with id=\"%s\" is not a visible item. Nothing exported.", export_id);
+                return 1;
+            }
+
+            items.push_back(SP_ITEM(o));
+
+            if (export_id_only) {
+//                do_print_message("Exporting only object with id=\"%s\"; all other objects hidden\n", export_id);
+            }
+
+            if (export_use_hints) {
+
+                // retrieve export filename hint
+                const gchar *fn_hint = o->getRepr()->attribute("inkscape:export-filename");
+                if (fn_hint) {
+                    if (!filename.empty()) {
+                        g_warning ("Using export filename from the command line. Filename hint %s is ignored.", fn_hint);
+                    } else {
+                        filename = fn_hint;
+                        filename_from_hint = true;
+                    }
+                } else {
+                    g_warning ("Export filename hint not found for the object.");
+                }
+
+                // retrieve export dpi hints
+                const gchar *dpi_hint = o->getRepr()->attribute("inkscape:export-xdpi"); // only xdpi, ydpi is always the same now
+                if (dpi_hint) {
+                    if (export_dpi || export_width || export_height) {
+                        g_warning ("Using bitmap dimensions from the command line (--export-dpi, --export-width, or --export-height). DPI hint %s is ignored.", dpi_hint);
+                    } else {
+                        dpi = atof(dpi_hint);
+                    }
+                } else {
+                    g_warning ("Export DPI hint not found for the object.");
+                }
+            }
+
+            // write object bbox to area
+            doc->ensureUpToDate();
+            Geom::OptRect areaMaybe = static_cast<SPItem *>(o_area)->desktopVisualBounds();
+            if (areaMaybe) {
+                area = *areaMaybe;
+            } else {
+                g_warning("Unable to determine a valid bounding box. Nothing exported.");
+                return 1;
+            }
+        } else {
+            g_warning("Object with id=\"%s\" was not found in the document. Nothing exported.", export_id);
+            return 1;
+        }
+    }
+
+    if (!export_area.empty()) {
+        /* Try to parse area (given in SVG pixels) */
+        gdouble x0,y0,x1,y1;
+        if (sscanf(export_area.c_str(), "%lg:%lg:%lg:%lg", &x0, &y0, &x1, &y1) != 4) {
+            g_warning("Cannot parse export area '%s'; use 'x0:y0:x1:y1'. Nothing exported.", export_area);
+            return 1;
+        }
+        area = Geom::Rect(Geom::Interval(x0,x1), Geom::Interval(y0,y1));
+    } else if (export_area_page || !(!export_id.empty() || export_area_drawing)) {
+        /* Export the whole page: note: Inkscape uses 'page' in all menus and dialogs, not 'canvas' */
+        doc->ensureUpToDate();
+        Geom::Point origin(doc->getRoot()->x.computed, doc->getRoot()->y.computed);
+        area = Geom::Rect(origin, origin + doc->getDimensions());
+    }
+    // End finding area.
+
+    // Check we have a filename.
+    if (filename.empty()) {
+        g_warning ("No export filename given and no filename hint. Nothing exported.");
+        return 1;
+    }
+
+    if (export_dpi != 0.0 && dpi == 0.0) {
+        dpi = export_dpi;
+        if ((dpi < 0.1) || (dpi > 10000.0)) {
+            g_warning("DPI value %s out of range [0.1 - 10000.0]. Nothing exported.", export_dpi);
+            return 1;
+        }
+//        do_print_message("DPI: %g\n", dpi);
+    }
+
+    if (export_area_snap) {
+        area = area.roundOutwards();
+    }
+
+    // default dpi
+    if (dpi == 0.0) {
+        dpi = Inkscape::Util::Quantity::convert(1, "in", "px");
+    }
+
+    unsigned long int width = 0;
+    unsigned long int height = 0;
+
+    if (export_width != 0) {
+        errno=0;
+        width = export_width;
+        if ((width < 1) || (width > PNG_UINT_31_MAX) || (errno == ERANGE) ) {
+            g_warning("Export width %lu out of range (1 - %lu). Nothing exported.", width, (unsigned long int)PNG_UINT_31_MAX);
+            return 1;
+        }
+        dpi = (gdouble) Inkscape::Util::Quantity::convert(width, "in", "px") / area.width();
+    } else {
+        width = (unsigned long int) (Inkscape::Util::Quantity::convert(area.width(), "px", "in") * dpi + 0.5);
+    }
+
+    if (export_height != 0) {
+        errno=0;
+        height = export_height;
+        if ((height < 1) || (height > PNG_UINT_31_MAX)) {
+            g_warning("Export height %lu out of range (1 - %lu). Nothing exported.", height, (unsigned long int)PNG_UINT_31_MAX);
+            return 1;
+        }
+        dpi = (gdouble) Inkscape::Util::Quantity::convert(height, "in", "px") / area.height();
+    } else {
+        height = (unsigned long int) (Inkscape::Util::Quantity::convert(area.height(), "px", "in") * dpi + 0.5);
+    }
+
+    guint32 bgcolor = 0x00000000;
+    if (!export_background.empty()) {
+        // override the page color
+        bgcolor = sp_svg_read_color(export_background.c_str(), 0xffffff00);
+        bgcolor |= 0xff; // default is no opacity
+    } else {
+        // read from namedview
+        Inkscape::XML::Node *nv = sp_repr_lookup_name (doc->rroot, "sodipodi:namedview");
+        if (nv && nv->attribute("pagecolor")){
+            bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
+        }
+        if (nv && nv->attribute("inkscape:pageopacity")){
+            double opacity = 1.0;
+            sp_repr_get_double (nv, "inkscape:pageopacity", &opacity);
+            bgcolor |= SP_COLOR_F_TO_U(opacity);
+        }
+    }
+    bgcolor &= (guint32) 0xffffff00;
+
+    if (export_background_opacity > 1.0) {
+        float value = CLAMP (export_background_opacity, 1.0f, 255.0f);
+        bgcolor |= (guint32) floor(value);
+    } else {
+        float value = CLAMP (export_background_opacity, 0.0f, 1.0f);
+        bgcolor |= SP_COLOR_F_TO_U(value);
+    }
+
+    std::string path = filename;  // File names are std::string, not Glib::ustring!
+    if (filename_from_hint) {
+        //Make relative paths go from the document location, if possible:
+        if (!Glib::path_is_absolute(filename) && doc->getURI()) {
+            std::string dirname = Glib::path_get_dirname(doc->getURI());
+            if (!dirname.empty()) {
+                path = Glib::build_filename(dirname, filename);
+            }
+        }
+    }
+
+    // Check if directory exists
+    std::string directory = Glib::path_get_dirname(path);
+    if (!Glib::file_test(directory, Glib::FILE_TEST_IS_DIR)) {
+        std::cerr << "File path " << path << " includes directory that doesn't exist." << std::endl;
+        return 1;
+    }
+
+    // Do we really need to print this?
+    std::cerr << "Background RRGGBBAA: " << std::hex << bgcolor << std::dec << std::endl;
+    std::cerr << "Area "
+              << area[Geom::X][0] << ":" << area[Geom::Y][0] << ":"
+              << area[Geom::X][1] << ":" << area[Geom::Y][1] << " exported to "
+              << width << " x " << height << " pixels (" << dpi << " dpi)" << std::endl;
+
+    reverse(items.begin(),items.end());
+
+    if ((width >= 1) && (height >= 1) && (width <= PNG_UINT_31_MAX) && (height <= PNG_UINT_31_MAX)) {
+        if( sp_export_png_file(doc, path.c_str(), area, width, height, dpi,
+                               dpi, bgcolor, nullptr, nullptr, true, export_id_only ? items : std::vector<SPItem*>()) == 1 ) {
+//                do_print_message("Bitmap saved as: %s\n", filename.c_str());
+        } else {
+            g_warning("Bitmap failed to save to: %s", filename.c_str());
+            return 1;
+        }
+    } else {
+        g_warning("Calculated bitmap dimensions %lu %lu are out of range (1 - %lu). Nothing exported.", width, height, (unsigned long int)PNG_UINT_31_MAX);
+        return 1;
+    }
+
+    return 0;
+}
+
+
+/**
+ *  Perform a PDF/PS/EPS export
+ *
+ *  \param doc Document to export.
+ *  \param filename File to write to.
+ *  \param mime MIME type to export as.
+ */
+int
+InkFileExportCmd::do_export_ps_pdf(SPDocument* doc, std::string filename, std::string mime_type)
+{
+    // Check if we support mime type.
+    Inkscape::Extension::DB::OutputList o;
+    Inkscape::Extension::db.get_output_list(o);
+    Inkscape::Extension::DB::OutputList::const_iterator i = o.begin();
+    while (i != o.end() && strcmp( (*i)->get_mimetype(), mime_type.c_str() ) != 0) {
+        i++;
+    }
+
+    if (i == o.end()) {
+        std::cerr << "InkFileExportCmd::do_export_ps_pdf: Could not find an extension to export to MIME type: " << mime_type << std::endl;
+        return 1;
+    }
+
+    // Export only object with given id.
+    if (!export_id.empty()) {
+        SPObject *o = doc->getObjectById(export_id);
+        if (o == nullptr) {
+            g_warning("Object with id=\"%s\" was not found in the document. Nothing exported.", export_id);
+            return 1;
+        }
+        (*i)->set_param_string ("exportId", export_id.c_str());
+    } else {
+        (*i)->set_param_string ("exportId", "");
+    }
+
+    // Set export area.
+    if (export_area_page && export_area_drawing) {
+        g_warning ("You cannot use --export-area-page and --export-area-drawing at the same time; only the former will take effect.");
+        export_area_drawing = false;
+    }
+
+    if (export_area_drawing) {
+        (*i)->set_param_optiongroup ("area", "drawing");
+    }
+
+    if (export_area_page) {
+        if (export_type == "eps") {
+            g_warning ("EPS cannot have its bounding box extend beyond its content, so if your drawing is smaller than the page, --export-area-page will clip it to drawing.");
+        }
+        (*i)->set_param_optiongroup ("area", "page");
+    }
+
+    if (!export_area_drawing && !export_area_page && export_id.empty()) {
+        // neither is set, set page as default for ps/pdf and drawing for eps
+        if (export_type == "eps") {
+            try {
+                (*i)->set_param_optiongroup("area", "drawing");
+            } catch (...) {}
+        }
+    }
+
+    // Set export options.
+    if (export_text_to_path) {
+        (*i)->set_param_optiongroup("textToPath", "paths");
+    } else if (export_latex) {
+        (*i)->set_param_optiongroup("textToPath", "LaTeX");
+    } else {
+        (*i)->set_param_optiongroup("textToPath", "embed");
+    }
+
+    if (export_ignore_filters) {
+        (*i)->set_param_bool("blurToBitmap", false);
+    } else {
+        (*i)->set_param_bool("blurToBitmap", true);
+
+        gdouble dpi = 96.0;
+        if (export_dpi) {
+            dpi = export_dpi;
+            if ((dpi < 1) || (dpi > 10000.0)) {
+                g_warning("DPI value %d out of range [1 - 10000]. Using 96 dpi instead.", export_dpi);
+                dpi = 96;
+            }
+        }
+
+        (*i)->set_param_int("resolution", (int) dpi);
+    }
+
+    (*i)->set_param_float("bleed", export_margin);
+
+    // handle --export-pdf-version
+    if (mime_type == "application/pdf") {
+        bool set_export_pdf_version_fail = true;
+        const gchar *pdfver_param_name = "PDFversion";
+        if (!export_pdf_level.empty()) {
+            // combine "PDF " and the given command line
+            std::string version_gui_string = std::string("PDF ") + export_pdf_level;
+            try{
+                // first, check if the given pdf version is selectable in the ComboBox
+                if((*i)->get_param_enum_contains("PDFversion", version_gui_string.c_str())) {
+                    (*i)->set_param_enum(pdfver_param_name, version_gui_string.c_str());
+                    set_export_pdf_version_fail=false;
+                } else {
+                    g_warning("Desired PDF export version \"%s\" not supported! Hint: input one of the versions found in the pdf export dialog e.g. \"1.4\".",
+                              export_pdf_level);
+                }
+            } catch (...) {
+                // can be thrown along the way:
+                // throw Extension::param_not_exist();
+                // throw Extension::param_not_enum_param();
+                g_warning("Parameter or Enum \"%s\" might not exist", pdfver_param_name);
+            }
+        }
+
+        // set default pdf export version to 1.4, also if something went wrong
+        if(set_export_pdf_version_fail) {
+            (*i)->set_param_enum(pdfver_param_name, "PDF 1.4");
+        }
+    }
+
+    if (mime_type == "image/x-postscript" || mime_type == "image/x-e-postscript") {
+        if ( export_ps_level < 2 || export_ps_level > 3 ) {
+            g_warning("Only supported PostScript levels are 2 and 3."
+                      " Defaulting to 2.");
+            export_ps_level = 2;
+        }
+
+        (*i)->set_param_enum("PSlevel", (export_ps_level == 3)
+                             ? "PostScript level 3" : "PostScript level 2");
+    }
+
+    try {
+        (*i)->save(doc, filename.c_str());
+    } catch(...) {
+        std::cerr << "Failed to save PS/EPS/PDF to: " << filename << std::endl;
+    }
+    return 0;
+}
+
+/**
+ *  Export a document to EMF or WMF
+ *
+ *  \param doc Document to export.
+ *  \param filename to export to.
+ *  \param mime MIME type to export as (should be "image/x-emf" or "image/x-wmf")
+ */
+int
+InkFileExportCmd::do_export_win_metafile(SPDocument* doc, std::string filename, std::string mime_type)
+{
+    // Check if we support mime type.
+    Inkscape::Extension::DB::OutputList o;
+    Inkscape::Extension::db.get_output_list(o);
+    Inkscape::Extension::DB::OutputList::const_iterator i = o.begin();
+    while (i != o.end() && strcmp( (*i)->get_mimetype(), mime_type.c_str() ) != 0) {
+        i++;
+    }
+
+    if (i == o.end())
+    {
+        std::cerr << "InkFileExportCmd::do_export_win_metafile_common: Could not find an extension to export to MIME type: " << mime_type << std::endl;
+        return 1;
+    }
+
+    (*i)->save(doc, filename.c_str());
+    return 0;
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/io/file-export-cmd.h b/src/io/file-export-cmd.h
new file mode 100644
index 000000000..0f7dd994b
--- /dev/null
+++ b/src/io/file-export-cmd.h
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * File export from the command line. This code use to be in main.cpp. It should be
+ * replaced by shared code (Gio::Actions?) for export from the file dialog.
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#ifndef INK_FILE_EXPORT_CMD_H
+#define INK_FILE_EXPORT_CMD_H
+
+#include <iostream>
+#include <gtkmm.h>
+
+class SPDocument;
+
+class InkFileExportCmd {
+
+public:
+    InkFileExportCmd();
+
+    void do_export(SPDocument* doc, std::string filename_in="");
+
+private:
+
+    std::string get_filename_out(std::string filename_in="");
+    int do_export_svg(   SPDocument* doc, std::string filename_out);
+    int do_export_png(   SPDocument* doc, std::string filename_out);
+    int do_export_ps_pdf(SPDocument* doc, std::string filename_out, std::string mime_type);
+    int do_export_win_metafile(SPDocument* doc, std::string filename_out, std::string mime_type);
+
+public:
+    // Should be private, but this is just temporary code (I hope!).
+
+    bool          over_write;
+
+    // One-to-one correspondence with command line options
+    std::string   export_filename; // Only if one file is processed!
+
+    Glib::ustring export_type;
+    bool          export_overwrite;
+
+    Glib::ustring export_area;
+    bool          export_area_drawing;
+    bool          export_area_page;
+    int           export_margin;
+    bool          export_area_snap;
+    int           export_width;
+    int           export_height;
+
+    int           export_dpi;
+    bool          export_ignore_filters;
+    bool          export_text_to_path;
+    int           export_ps_level;
+    Glib::ustring export_pdf_level;
+    bool          export_latex;
+    Glib::ustring export_id;
+    bool          export_id_only;
+    bool          export_use_hints;
+    Glib::ustring export_background;
+    double        export_background_opacity;
+    bool          export_plain_svg;
+};
+
+#endif // INK_FILE_EXPORT_CMD_H
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/io/file.cpp b/src/io/file.cpp
new file mode 100644
index 000000000..3505f018d
--- /dev/null
+++ b/src/io/file.cpp
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * File operations (independent of GUI)
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#include <iostream>
+#include <gtkmm.h>
+
+#include "file.h"
+
+#include "document.h"
+
+#include "extension/system.h"     // Extension::open()
+#include "extension/extension.h"
+#include "extension/db.h"
+#include "extension/output.h"
+#include "extension/input.h"
+
+// SPDocument*
+// ink_file_new(const std::string &Template)
+// {
+//   SPDocument *doc = SPDocument::createNewDoc( Template, true, true );
+//   return doc;
+// }
+
+
+SPDocument*
+ink_file_open(const Glib::RefPtr<Gio::File>& file)
+{
+
+  SPDocument *doc = nullptr;
+
+  std::string path = file->get_path();
+
+  try {
+    doc = Inkscape::Extension::open(nullptr, path.c_str());
+  } catch (Inkscape::Extension::Input::no_extension_found &e) {
+    doc = nullptr;
+  } catch (Inkscape::Extension::Input::open_failed &e) {
+    doc = nullptr;
+  }
+
+  // Try to open explicitly as SVG.
+  if (doc == nullptr) {
+    try {
+      doc = Inkscape::Extension::open(Inkscape::Extension::db.get(SP_MODULE_KEY_INPUT_SVG), path.c_str());
+    } catch (Inkscape::Extension::Input::no_extension_found &e) {
+      doc = nullptr;
+    } catch (Inkscape::Extension::Input::open_failed &e) {
+      doc = nullptr;
+    }
+  }
+  if (doc == nullptr) {
+    std::cerr << "ink_file_open: '" << path << "' cannot be opened!" << std::endl;
+  }
+
+  return doc;
+}
+
diff --git a/src/io/file.h b/src/io/file.h
new file mode 100644
index 000000000..e1b91adcd
--- /dev/null
+++ b/src/io/file.h
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * File operations (independent of GUI)
+ *
+ * Copyright (C) 2018 Tavmjong Bah
+ *
+ * The contents of this file may be used under the GNU General Public License Version 2 or later.
+ *
+ */
+
+#ifndef INK_FILE_IO_H
+#define INK_FILE_IO_H
+
+class SPDocument;
+
+//SPDocument* ink_file_new(const std::string &template = nullptr);
+SPDocument* ink_file_open(const Glib::RefPtr<Gio::File>& file = Glib::RefPtr<Gio::File>());
+
+// To do:
+// ink_file_save()
+// ink_file_export()
+// ink_file_import()
+
+
+
+#endif // INK_FILE_IO_H
diff --git a/src/main.cpp b/src/main.cpp
deleted file mode 100644
index 0f6269611..000000000
--- a/src/main.cpp
+++ /dev/null
@@ -1,2251 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Inkscape - an ambitious vector drawing program
- *
- * Authors:
- *   Lauris Kaplinski <lauris@kaplinski.com>
- *   Frank Felfe <innerspace@iname.com>
- *   Davide Puricelli <evo@debian.org>
- *   Mitsuru Oka <oka326@parkcity.ne.jp>
- *   Masatake YAMATO  <jet@gyve.org>
- *   F.J.Franklin <F.J.Franklin@sheffield.ac.uk>
- *   Michael Meeks <michael@helixcode.com>
- *   Chema Celorio <chema@celorio.com>
- *   Pawel Palucha
- *   Bryce Harrington <bryce@bryceharrington.org>
- * ... and various people who have worked with various projects
- *   Jon A. Cruz <jon@oncruz.org>
- *   Abhishek Sharma
- *   Marc Jeanmougin
- *
- * Copyright (C) 1999-2004 authors
- * Copyright (C) 2001-2002 Ximian, Inc.
- *
- * Released under GNU GPL v2+, read the file 'COPYING' for more information.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-// This has to be included prior to anything that includes setjmp.h, it croaks otherwise
-#include <png.h>
-
-#include <cstring>
-
-#include <popt.h>
-#ifndef POPT_TABLEEND
-#define POPT_TABLEEND { NULL, '\0', 0, 0, 0, NULL, NULL }
-#endif /* Not def: POPT_TABLEEND */
-
-#include <libxml/tree.h>
-
-#include "ui/widget/panel.h" // This has to be the first to include <glib.h> because of Glibmm's dependence on a deprecated feature...
-
-#include <glibmm/i18n.h>
-#include <glibmm/convert.h>
-#include <glibmm/fileutils.h>
-#include <glibmm/miscutils.h>
-#include <glibmm/main.h>
-#include <gtkmm/main.h>
-#include <gtkmm/window.h>
-#include <gdkmm/screen.h>
-
-#include <cerrno>
-
-#ifdef _WIN32
-#include <windows.h>
-#include "io/registrytool.h"
-#endif // _WIN32
-
-#include "inkscape.h"
-#include "inkscape-version.h"
-
-#include "color.h"
-#include "document.h"
-#include "file.h"
-#include "layer-model.h"
-#include "path-chemistry.h"
-#include "path-prefix.h"
-#include "print.h"
-#include "selection-chemistry.h"
-#include "selection.h"
-#include "text-editing.h"
-#include "verbs.h"
-
-#include "debug/logger.h"
-#include "debug/log-display-config.h"
-
-#include "extension/extension.h"
-#include "extension/db.h"
-#include "extension/output.h"
-#include "extension/input.h"
-#include "extension/init.h"
-// Not ideal, but there doesn't appear to be a nicer system in place for
-// passing command-line parameters to extensions before initialization...
-#ifdef WITH_DBUS
-#include "extension/dbus/dbus-init.h"
-#endif // WITH_DBUS
-
-#include "helper/action-context.h"
-#include "helper/png-write.h"
-#ifdef ENABLE_NLS
-#include "helper/gettext.h"
-#endif
-
-#include "inkgc/gc-core.h"
-
-#include "io/resource.h"
-#include "io/sys.h"
-
-#include "object/object-set.h"
-#include "object/sp-guide.h"
-#include "object/sp-root.h"
-#include "object/sp-namedview.h"
-#include "object/sp-text.h"
-#include "object/sp-flowtext.h"
-
-#include "ui/interface.h"
-
-#include "svg/svg.h"
-#include "svg/svg-color.h"
-#include "svg/stringstream.h"
-
-#include "xml/repr.h"
-
-#include "main-cmdlineact.h"
-#include "main-cmdlinexact.h"
-
-
-enum {
-    SP_ARG_NONE,
-    SP_ARG_NOGUI,
-    SP_ARG_GUI,
-    SP_ARG_FILE,
-    SP_ARG_XVERBS,
-    SP_ARG_PRINT,
-    SP_ARG_EXPORT_PNG,
-    SP_ARG_EXPORT_DPI,
-    SP_ARG_EXPORT_AREA,
-    SP_ARG_EXPORT_AREA_DRAWING,
-    SP_ARG_EXPORT_AREA_PAGE,
-    SP_ARG_EXPORT_MARGIN,
-    SP_ARG_EXPORT_AREA_SNAP,
-    SP_ARG_EXPORT_WIDTH,
-    SP_ARG_EXPORT_HEIGHT,
-    SP_ARG_EXPORT_ID,
-    SP_ARG_EXPORT_ID_ONLY,
-    SP_ARG_EXPORT_USE_HINTS,
-    SP_ARG_EXPORT_BACKGROUND,
-    SP_ARG_EXPORT_BACKGROUND_OPACITY,
-    SP_ARG_EXPORT_SVG,
-    SP_ARG_EXPORT_INKSCAPE_SVG,
-    SP_ARG_EXPORT_PS,
-    SP_ARG_EXPORT_EPS,
-    SP_ARG_EXPORT_PS_LEVEL,
-    SP_ARG_EXPORT_PDF,
-    SP_ARG_EXPORT_PDF_VERSION,
-    SP_ARG_EXPORT_LATEX,
-    SP_ARG_EXPORT_EMF,
-    SP_ARG_EXPORT_WMF,
-    SP_ARG_EXPORT_XAML,
-    SP_ARG_EXPORT_TEXT_TO_PATH,
-    SP_ARG_EXPORT_IGNORE_FILTERS,
-    SP_ARG_PDF_PAGE,
-    SP_ARG_EXTENSIONDIR,
-    SP_ARG_QUERY_X,
-    SP_ARG_QUERY_Y,
-    SP_ARG_QUERY_WIDTH,
-    SP_ARG_QUERY_HEIGHT,
-    SP_ARG_QUERY_ALL,
-    SP_ARG_QUERY_ID,
-    SP_ARG_SHELL,
-    SP_ARG_VERSION,
-    SP_ARG_VACUUM_DEFS,
-    SP_ARG_NO_CONVERT_TEXT_BASELINE_SPACING,
-    SP_ARG_CONVERT_DPI_METHOD,
-#ifdef WITH_DBUS
-    SP_ARG_DBUS_LISTEN,
-    SP_ARG_DBUS_NAME,
-#endif // WITH_DBUS
-    SP_ARG_VERB_LIST,
-    SP_ARG_VERB,
-    SP_ARG_SELECT,
-    SP_ARG_LAST
-};
-
-int sp_main_gui(int argc, char const **argv);
-int sp_main_console(int argc, char const **argv);
-static int do_export_png(SPDocument *doc);
-static int do_export_svg(SPDocument* doc);
-static int do_export_ps_pdf(SPDocument* doc, gchar const* uri, char const *mime);
-static int do_export_emf(SPDocument* doc, gchar const* uri, char const *mime);
-static int do_export_wmf(SPDocument* doc, gchar const* uri, char const *mime);
-static int do_export_xaml(SPDocument* doc, gchar const* uri, char const *mime);
-static int do_export_win_metafile_common(SPDocument* doc, gchar const* uri, char const *mime);
-static void do_query_dimension (SPDocument *doc, bool extent, Geom::Dim2 const axis, const gchar *id);
-static void do_query_all (SPDocument *doc);
-static void do_query_all_recurse (SPObject *o);
-static void do_print_message(const char *message, ...);
-static void detect_pipe_in_filename(const char *filename);
-
-static gchar *sp_global_printer = nullptr;
-static gchar *sp_export_png = nullptr;
-static gchar *sp_export_dpi = nullptr;
-static gchar *sp_export_area = nullptr;
-static gboolean sp_export_area_drawing = FALSE;
-static gboolean sp_export_area_page = FALSE;
-static gchar *sp_export_margin = nullptr;
-static gboolean sp_export_latex = FALSE;
-static gchar *sp_export_width = nullptr;
-static gchar *sp_export_height = nullptr;
-static gchar *sp_export_id = nullptr;
-static gchar *sp_export_background = nullptr;
-static gchar *sp_export_background_opacity = nullptr;
-static gboolean sp_export_area_snap = FALSE;
-static gboolean sp_export_use_hints = FALSE;
-static gboolean sp_export_id_only = FALSE;
-static gchar *sp_export_svg = nullptr;
-static gchar *sp_export_inkscape_svg = nullptr;
-static gchar *sp_export_ps = nullptr;
-static gchar *sp_export_eps = nullptr;
-static gint sp_export_ps_level = 3;
-static gchar *sp_export_pdf = nullptr;
-static gchar *sp_export_pdf_version = nullptr;
-static gchar *sp_export_emf = nullptr;
-static gchar *sp_export_wmf = nullptr;
-static gchar *sp_export_xaml = nullptr;
-static gboolean sp_export_text_to_path = FALSE;
-static gboolean sp_export_ignore_filters = FALSE;
-static gboolean sp_export_font = FALSE;
-static gint sp_pdf_page = 1;
-static gboolean sp_query_x = FALSE;
-static gboolean sp_query_y = FALSE;
-static gboolean sp_query_width = FALSE;
-static gboolean sp_query_height = FALSE;
-static gboolean sp_query_all = FALSE;
-static gchar *sp_query_id = nullptr;
-static gboolean sp_shell = FALSE;
-static gboolean sp_vacuum_defs = FALSE;
-#ifdef WITH_DBUS
-static gboolean sp_dbus_listen = FALSE;
-static gchar *sp_dbus_name = NULL;
-#endif // WITH_DBUS
-static gchar *sp_export_png_utf8 = nullptr;
-static gchar *sp_export_svg_utf8 = nullptr;
-static gchar *sp_export_inkscape_svg_utf8 = nullptr;
-static gchar *sp_global_printer_utf8 = nullptr;
-static gboolean sp_writingToPipe = FALSE;
-
-#ifdef WITH_YAML
-static gchar *sp_xverbs_yaml_utf8 = nullptr;
-static gchar *sp_xverbs_yaml = nullptr;
-#endif // WITH_YAML
-
-/**
- *  Reset variables to default values.
- */
-static void resetCommandlineGlobals() {
-        sp_global_printer = nullptr;
-        sp_export_png = nullptr;
-        sp_export_dpi = nullptr;
-        sp_export_area = nullptr;
-        sp_export_area_drawing = FALSE;
-        sp_export_area_page = FALSE;
-        sp_export_margin = nullptr;
-        sp_export_latex = FALSE;
-        sp_export_width = nullptr;
-        sp_export_height = nullptr;
-        sp_export_id = nullptr;
-        sp_export_background = nullptr;
-        sp_export_background_opacity = nullptr;
-        sp_export_area_snap = FALSE;
-        sp_export_use_hints = FALSE;
-        sp_export_id_only = FALSE;
-        sp_export_svg = nullptr;
-        sp_export_inkscape_svg = nullptr;
-        sp_export_ps = nullptr;
-        sp_export_eps = nullptr;
-        sp_export_ps_level = 3;
-        sp_export_pdf = nullptr;
-        sp_export_pdf_version = nullptr;
-        sp_export_emf = nullptr;
-        sp_export_wmf = nullptr;
-        sp_export_xaml = nullptr;
-        sp_export_text_to_path = FALSE;
-        sp_export_ignore_filters = FALSE;
-        sp_export_font = FALSE;
-        sp_pdf_page = 1;
-        sp_query_x = FALSE;
-        sp_query_y = FALSE;
-        sp_query_width = FALSE;
-        sp_query_height = FALSE;
-        sp_query_all = FALSE;
-        sp_query_id = nullptr;
-        sp_vacuum_defs = FALSE;
-        sp_no_convert_text_baseline_spacing = FALSE;
-        sp_file_convert_dpi_method_commandline = -1;
-#ifdef WITH_DBUS
-        sp_dbus_listen = FALSE;
-        sp_dbus_name = NULL;
-#endif // WITH_DBUS
-
-        sp_export_png_utf8 = nullptr;
-        sp_export_svg_utf8 = nullptr;
-        sp_export_inkscape_svg_utf8 = nullptr;
-        sp_global_printer_utf8 = nullptr;
-}
-
-#ifdef _WIN32
-static bool replaceArgs( int& argc, char**& argv );
-#endif
-static std::vector<gchar *> sp_process_args(poptContext ctx);
-struct poptOption options[] = {
-    {"version", 'V',
-     POPT_ARG_NONE, nullptr, SP_ARG_VERSION,
-     N_("Print the Inkscape version number"),
-     nullptr},
-
-    {"without-gui", 'z',
-     POPT_ARG_NONE, nullptr, SP_ARG_NOGUI,
-     N_("Do not use X server (only process files from console)"),
-     nullptr},
-
-    {"with-gui", 'g',
-     POPT_ARG_NONE, nullptr, SP_ARG_GUI,
-     N_("Try to use X server (even if $DISPLAY is not set)"),
-     nullptr},
-
-    {"file", 'f',
-     POPT_ARG_STRING, nullptr, SP_ARG_FILE,
-     N_("Open specified document(s) (option string may be excluded)"),
-     N_("FILENAME")},
-
-#ifdef WITH_YAML
-    {"xverbs", 0,
-     POPT_ARG_STRING, &sp_xverbs_yaml, SP_ARG_XVERBS,
-     N_("xverbs command"),
-     N_("XVERBS_FILENAME")},
-#endif // WITH_YAML
-
-    {"print", 'p',
-     POPT_ARG_STRING, &sp_global_printer, SP_ARG_PRINT,
-     N_("Print document(s) to specified output file (use '| program' for pipe)"),
-     N_("FILENAME")},
-
-    {"export-png", 'e',
-     POPT_ARG_STRING, &sp_export_png, SP_ARG_EXPORT_PNG,
-     N_("Export document to a PNG file"),
-     N_("FILENAME")},
-
-    {"export-dpi", 'd',
-     POPT_ARG_STRING, &sp_export_dpi, SP_ARG_EXPORT_DPI,
-     N_("Resolution for exporting to bitmap and for rasterization of filters in PS/EPS/PDF (default 96)"),
-     N_("DPI")},
-
-    {"export-area", 'a',
-     POPT_ARG_STRING, &sp_export_area, SP_ARG_EXPORT_AREA,
-     N_("Exported area in SVG user units (default is the page; 0,0 is lower-left corner)"),
-     N_("x0:y0:x1:y1")},
-
-    {"export-area-drawing", 'D',
-     POPT_ARG_NONE, &sp_export_area_drawing, SP_ARG_EXPORT_AREA_DRAWING,
-     N_("Exported area is the entire drawing (not page)"),
-     nullptr},
-
-    {"export-area-page", 'C',
-     POPT_ARG_NONE, &sp_export_area_page, SP_ARG_EXPORT_AREA_PAGE,
-     N_("Exported area is the entire page"),
-     nullptr},
-
-    {"export-margin", 0,
-     POPT_ARG_STRING, &sp_export_margin, SP_ARG_EXPORT_MARGIN,
-     N_("Sets margin around exported area (default 0) in units of page size for SVG and mm for PS/EPS/PDF"),
-     N_("VALUE")},
-
-    {"export-area-snap", 0,
-     POPT_ARG_NONE, &sp_export_area_snap, SP_ARG_EXPORT_AREA_SNAP,
-     N_("Snap the bitmap export area outwards to the nearest integer values (in SVG user units)"),
-     nullptr},
-
-    {"export-width", 'w',
-     POPT_ARG_STRING, &sp_export_width, SP_ARG_EXPORT_WIDTH,
-     N_("The width of exported bitmap in pixels (overrides export-dpi)"),
-     N_("WIDTH")},
-
-    {"export-height", 'h',
-     POPT_ARG_STRING, &sp_export_height, SP_ARG_EXPORT_HEIGHT,
-     N_("The height of exported bitmap in pixels (overrides export-dpi)"),
-     N_("HEIGHT")},
-
-    {"export-id", 'i',
-     POPT_ARG_STRING, &sp_export_id, SP_ARG_EXPORT_ID,
-     N_("The ID of the object to export"),
-     N_("ID")},
-
-    {"export-id-only", 'j',
-     POPT_ARG_NONE, &sp_export_id_only, SP_ARG_EXPORT_ID_ONLY,
-     // TRANSLATORS: this means: "Only export the object whose id is given in --export-id".
-     //  See "man inkscape" for details.
-     N_("Export just the object with export-id, hide all others (only with export-id)"),
-     nullptr},
-
-    {"export-use-hints", 't',
-     POPT_ARG_NONE, &sp_export_use_hints, SP_ARG_EXPORT_USE_HINTS,
-     N_("Use stored filename and DPI hints when exporting (only with export-id)"),
-     nullptr},
-
-    {"export-background", 'b',
-     POPT_ARG_STRING, &sp_export_background, SP_ARG_EXPORT_BACKGROUND,
-     N_("Background color of exported bitmap (any SVG-supported color string)"),
-     N_("COLOR")},
-
-    {"export-background-opacity", 'y',
-     POPT_ARG_STRING, &sp_export_background_opacity, SP_ARG_EXPORT_BACKGROUND_OPACITY,
-     N_("Background opacity of exported bitmap (either 0.0 to 1.0, or 1 to 255)"),
-     N_("VALUE")},
-
-    {"export-inkscape-svg", 0,
-     POPT_ARG_STRING, &sp_export_inkscape_svg, SP_ARG_EXPORT_INKSCAPE_SVG,
-     N_("Export document to an inkscape SVG file (similar to save as.)"),
-     N_("FILENAME")},
-    {"export-plain-svg", 'l',
-     POPT_ARG_STRING, &sp_export_svg, SP_ARG_EXPORT_SVG,
-     N_("Export document to plain SVG file (no sodipodi or inkscape namespaces)"),
-     N_("FILENAME")},
-
-    {"export-ps", 'P',
-     POPT_ARG_STRING, &sp_export_ps, SP_ARG_EXPORT_PS,
-     N_("Export document to a PS file"),
-     N_("FILENAME")},
-
-    {"export-eps", 'E',
-     POPT_ARG_STRING, &sp_export_eps, SP_ARG_EXPORT_EPS,
-     N_("Export document to an EPS file"),
-     N_("FILENAME")},
-
-    {"export-ps-level", 0,
-     POPT_ARG_INT, &sp_export_ps_level, SP_ARG_EXPORT_PS_LEVEL,
-     N_("Choose the PostScript Level used to export. Possible choices are"
-        " 2 and 3 (the default)"),
-     N_("PS Level")},
-
-    {"export-pdf", 'A',
-     POPT_ARG_STRING, &sp_export_pdf, SP_ARG_EXPORT_PDF,
-     N_("Export document to a PDF file"),
-     N_("FILENAME")},
-
-    {"export-pdf-version", 0,
-     POPT_ARG_STRING, &sp_export_pdf_version, SP_ARG_EXPORT_PDF_VERSION,
-     // TRANSLATORS: "--export-pdf-version" is an Inkscape command line option; see "inkscape --help"
-     N_("Export PDF to given version. (hint: make sure to input a version found in the PDF export dialog, e.g. \"1.4\" which is PDF-a conformant)"),
-     N_("PDF_VERSION")},
-
-    {"export-latex", 0,
-     POPT_ARG_NONE, &sp_export_latex, SP_ARG_EXPORT_LATEX,
-     N_("Export PDF/PS/EPS without text. Besides the PDF/PS/EPS, a LaTeX file is exported, putting the text on top of the PDF/PS/EPS file. Include the result in LaTeX like: \\input{latexfile.tex}"),
-     nullptr},
-
-    {"export-emf", 'M',
-     POPT_ARG_STRING, &sp_export_emf, SP_ARG_EXPORT_EMF,
-     N_("Export document to an Enhanced Metafile (EMF) File"),
-     N_("FILENAME")},
-
-    {"export-wmf", 'm',
-     POPT_ARG_STRING, &sp_export_wmf, SP_ARG_EXPORT_WMF,
-     N_("Export document to a Windows Metafile (WMF) File"),
-     N_("FILENAME")},
-
-    {"export-xaml", 0,
-     POPT_ARG_STRING, &sp_export_xaml, SP_ARG_EXPORT_XAML,
-     N_("Export document to a eXtensible Application Markup Language (XAML) File"),
-     N_("FILENAME")},
-
-    {"export-text-to-path", 'T',
-     POPT_ARG_NONE, &sp_export_text_to_path, SP_ARG_EXPORT_TEXT_TO_PATH,
-     N_("Convert text object to paths on export (PS, EPS, PDF, SVG)"),
-     nullptr},
-
-    {"export-ignore-filters", 0,
-     POPT_ARG_NONE, &sp_export_ignore_filters, SP_ARG_EXPORT_IGNORE_FILTERS,
-     N_("Render filtered objects without filters, instead of rasterizing (PS, EPS, PDF)"),
-     nullptr},
-
-    {"pdf-page", 0,
-     POPT_ARG_INT, &sp_pdf_page, SP_ARG_PDF_PAGE,
-     N_("PDF page to import"),
-     N_("PAGE")},
-
-    {"query-x", 'X',
-     POPT_ARG_NONE, &sp_query_x, SP_ARG_QUERY_X,
-     // TRANSLATORS: "--query-id" is an Inkscape command line option; see "inkscape --help"
-     N_("Query the X coordinate of the drawing or, if specified, of the object with --query-id"),
-     nullptr},
-
-    {"query-y", 'Y',
-     POPT_ARG_NONE, &sp_query_y, SP_ARG_QUERY_Y,
-     // TRANSLATORS: "--query-id" is an Inkscape command line option; see "inkscape --help"
-     N_("Query the Y coordinate of the drawing or, if specified, of the object with --query-id"),
-     nullptr},
-
-    {"query-width", 'W',
-     POPT_ARG_NONE, &sp_query_width, SP_ARG_QUERY_WIDTH,
-     // TRANSLATORS: "--query-id" is an Inkscape command line option; see "inkscape --help"
-     N_("Query the width of the drawing or, if specified, of the object with --query-id"),
-     nullptr},
-
-    {"query-height", 'H',
-     POPT_ARG_NONE, &sp_query_height, SP_ARG_QUERY_HEIGHT,
-     // TRANSLATORS: "--query-id" is an Inkscape command line option; see "inkscape --help"
-     N_("Query the height of the drawing or, if specified, of the object with --query-id"),
-     nullptr},
-
-    {"query-all", 'S',
-     POPT_ARG_NONE, &sp_query_all, SP_ARG_QUERY_ALL,
-     N_("List id,x,y,w,h for all objects"),
-     nullptr},
-
-    {"query-id", 'I',
-     POPT_ARG_STRING, &sp_query_id, SP_ARG_QUERY_ID,
-     N_("The ID of the object whose dimensions are queried"),
-     N_("ID")},
-
-    {"extension-directory", 'x',
-     POPT_ARG_NONE, nullptr, SP_ARG_EXTENSIONDIR,
-     // TRANSLATORS: this option makes Inkscape print the name (path) of the extension directory
-     N_("Print out the extension directory and exit"),
-     nullptr},
-
-    {"vacuum-defs", 0,
-     POPT_ARG_NONE, &sp_vacuum_defs, SP_ARG_VACUUM_DEFS,
-     N_("Remove unused definitions from the defs section(s) of the document"),
-     nullptr},
-
-#ifdef WITH_DBUS
-    {"dbus-listen", 0,
-     POPT_ARG_NONE, &sp_dbus_listen, SP_ARG_DBUS_LISTEN,
-     N_("Enter a listening loop for D-Bus messages in console mode"),
-     NULL},
-
-    {"dbus-name", 0,
-     POPT_ARG_STRING, &sp_dbus_name, SP_ARG_DBUS_NAME,
-     N_("Specify the D-Bus bus name to listen for messages on (default is org.inkscape)"),
-     N_("BUS-NAME")},
-#endif // WITH_DBUS
-
-    {"verb-list", 0,
-     POPT_ARG_NONE, nullptr, SP_ARG_VERB_LIST,
-     N_("List the IDs of all the verbs in Inkscape"),
-     nullptr},
-
-    {"verb", 0,
-     POPT_ARG_STRING, nullptr, SP_ARG_VERB,
-     N_("Verb to call when Inkscape opens."),
-     N_("VERB-ID")},
-
-    {"select", 0,
-     POPT_ARG_STRING, nullptr, SP_ARG_SELECT,
-     N_("Object ID to select when Inkscape opens."),
-     N_("OBJECT-ID")},
-
-    {"shell", 0,
-     POPT_ARG_NONE, &sp_shell, SP_ARG_SHELL,
-     N_("Start Inkscape in interactive shell mode."),
-     nullptr},
-
-    {"no-convert-text-baseline-spacing", 0,
-    POPT_ARG_NONE, &sp_no_convert_text_baseline_spacing, SP_ARG_NO_CONVERT_TEXT_BASELINE_SPACING,
-    N_("Do not fix legacy (pre-0.92) files' text baseline spacing on opening."),
-    nullptr},
-
-    {"convert-dpi-method", 0,
-    POPT_ARG_STRING, nullptr, SP_ARG_CONVERT_DPI_METHOD,
-    N_("Method used to convert pre-.92 document dpi, if needed. ([none|scale-viewbox|scale-document])"),
-    "[...]"},
-
-    POPT_AUTOHELP POPT_TABLEEND
-};
-
-static bool needToRecodeParams = true;
-gchar * blankParam = g_strdup("");
-
-
-
-#ifdef _WIN32
-
-/**
- * Set up the PATH, INKSCAPE_LOCALEDIR and PYTHONPATH environment
- * variables on Windows
- * @param exe Inkscape executable directory in UTF-8
- */
-static void _win32_set_inkscape_env(gchar const *exe)
-{
-    // add inkscape directory to DLL search path so dynamically linked extension modules find their libraries
-    wchar_t *exe_w = (wchar_t *)g_utf8_to_utf16(exe, -1, NULL, NULL, NULL);
-    SetDllDirectoryW(exe_w);
-    g_free(exe_w);
-
-    // add inkscape directory to PATH
-    gchar const *path = g_getenv("PATH");
-    gchar *new_path;
-    if (path) {
-        new_path = g_strdup_printf("%s;%s", exe, path);
-    } else {
-        new_path = g_strdup(exe);
-    }
-    g_setenv("PATH", new_path, TRUE);
-    g_free(new_path);
-
-    // INKSCAPE_LOCALEDIR is needed by Python/Gettext
-    gchar *localepath = g_build_filename(exe, PACKAGE_LOCALE_DIR, NULL);
-    g_setenv("INKSCAPE_LOCALEDIR", localepath, TRUE);
-    g_free(localepath);
-
-    // prevent "please insert disk" messages. fixes bug #950781
-    SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
-}
-#endif
-
-static void set_extensions_env()
-{
-    gchar *pythonpath = get_extensions_path();
-    g_setenv("PYTHONPATH", pythonpath, TRUE);
-    g_free(pythonpath);
-    // printf("PYTHONPATH = %s\n", g_getenv("PYTHONPATH"));
-}
-
-
-/**
- * This is the classic main() entry point of the program, though on some
- * architectures it might be called by something else.
- */
-int
-main(int argc, char **argv)
-{
-#ifdef ENABLE_NLS
-    // Native Language Support
-    Inkscape::initialize_gettext();
-#endif
-
-#ifdef _WIN32
-    gchar *datadir = g_win32_get_package_installation_directory_of_module(NULL);
-    _win32_set_inkscape_env(datadir);
-    g_free(datadir);
-
-    // Don't touch the registry (works fine without it) for Inkscape Portable
-    gchar const *val = g_getenv("INKSCAPE_PORTABLE_PROFILE_DIR");
-    if (!val) {
-        RegistryTool rt;
-        rt.setPathInfo();
-    }
-#endif
-
-    set_extensions_env();
-
-    // Checks libxml version is compatible with version software is compiled against
-    LIBXML_TEST_VERSION
-
-    // Garbage Collector
-    Inkscape::GC::init();
-
-    Inkscape::Debug::Logger::init();
-
-    bool use_gui;
-
-#if !defined(_WIN32) && !defined(GDK_WINDOWING_QUARTZ)
-    use_gui = (g_getenv("DISPLAY") != nullptr);
-#else
-    use_gui = true;
-#endif
-    /* Test whether with/without GUI is forced */
-    for (int i = 1; i < argc; i++) {
-        if (!strcmp(argv[i], "-z")
-            || !strcmp(argv[i], "--without-gui")
-            || !strcmp(argv[i], "-p")
-            || !strncmp(argv[i], "--print", 7)
-            || !strcmp(argv[i], "-e")
-            || !strncmp(argv[i], "--export-png", 12)
-            || !strcmp(argv[i], "-l")
-            || !strncmp(argv[i], "--export-plain-svg", 18)
-            || !strncmp(argv[i], "--export-inkscape-svg", 21)
-            || !strcmp(argv[i], "-i")
-            || !strncmp(argv[i], "--export-area-drawing", 21)
-            || !strcmp(argv[i], "-D")
-            || !strncmp(argv[i], "--export-area-page", 18)
-            || !strcmp(argv[i], "-C")
-            || !strncmp(argv[i], "--export-id", 11)
-            || !strcmp(argv[i], "-P")
-            || !strncmp(argv[i], "--export-ps", 11)
-            || !strcmp(argv[i], "-E")
-            || !strncmp(argv[i], "--export-eps", 12)
-            || !strcmp(argv[i], "-A")
-            || !strncmp(argv[i], "--export-pdf", 12)
-            || !strncmp(argv[i], "--export-latex", 14)
-            || !strcmp(argv[i], "-M")
-            || !strncmp(argv[i], "--export-emf", 12)
-            || !strcmp(argv[i], "-m")
-            || !strncmp(argv[i], "--export-wmf", 12)
-            || !strncmp(argv[i], "--export-xaml", 13)
-            || !strcmp(argv[i], "-W")
-            || !strncmp(argv[i], "--query-width", 13)
-            || !strcmp(argv[i], "-H")
-            || !strncmp(argv[i], "--query-height", 14)
-            || !strcmp(argv[i], "-S")
-            || !strncmp(argv[i], "--query-all", 11)
-            || !strcmp(argv[i], "-X")
-            || !strncmp(argv[i], "--query-x", 9)
-            || !strcmp(argv[i], "-Y")
-            || !strncmp(argv[i], "--query-y", 9)
-            || !strcmp(argv[i], "--vacuum-defs")
-#ifdef WITH_DBUS
-            || !strcmp(argv[i], "--dbus-listen")
-#endif // WITH_DBUS
-            || !strcmp(argv[i], "--shell")
-           )
-        {
-            /* main_console handles any exports -- not the gui */
-            use_gui = false;
-            break;
-        } else if (!strcmp(argv[i], "-g") || !strcmp(argv[i], "--with-gui")) {
-            use_gui = true;
-            break;
-        }
-    }
-
-#ifdef _WIN32
-    {
-        // If the call fails, we'll need to convert charsets
-        needToRecodeParams = !replaceArgs( argc, argv );
-    }
-#endif // _WIN32
-
-    int retcode;
-
-    if (use_gui) {
-        retcode = sp_main_gui(argc, (const char **) argv);
-    } else {
-        retcode = sp_main_console(argc, (const char **) argv);
-    }
-
-    return retcode;
-}
-
-
-
-
-static void fixupSingleFilename( gchar **orig, gchar **spare )
-{
-    if ( orig && *orig && **orig ) {
-        GError *error = nullptr;
-        gchar *newFileName = Inkscape::IO::locale_to_utf8_fallback(*orig, -1, nullptr, nullptr, &error);
-        if ( newFileName )
-        {
-            *orig = newFileName;
-            if ( spare ) {
-                *spare = newFileName;
-            }
-//             g_message("Set a replacement fixup");
-        }
-    }
-}
-
-
-
-static void fixupFilenameEncoding( std::vector<gchar*> &filenames)
-{
-    for (unsigned int i=0; i<filenames.size(); ++i) {
-        gchar *fn = filenames[i];
-        gchar *newFileName = Inkscape::IO::locale_to_utf8_fallback(fn, -1, nullptr, nullptr, nullptr);
-        if ( newFileName ) {
-            g_free( fn );
-            filenames[i] = newFileName;
-        }
-    }
-}
-
-static int sp_common_main( int argc, char const **argv, std::vector<gchar*> *flDest )
-{
-#ifdef ENABLE_NLS
-    // Temporarily switch gettext encoding to locale, so that help messages can be output properly.
-    Inkscape::bind_textdomain_codeset_console();
-#endif
-
-    poptContext ctx = poptGetContext(nullptr, argc, argv, options, 0);
-    poptSetOtherOptionHelp(ctx, _("[OPTIONS...] [FILE...]\n\nAvailable options:"));
-    g_return_val_if_fail(ctx != nullptr, 1);
-
-    /* Collect own arguments */
-    std::vector<gchar*> fl = sp_process_args(ctx);
-    poptFreeContext(ctx);
-   
-#ifdef ENABLE_NLS
-    // Now switch gettext back to UTF-8 (for GUI)
-    Inkscape::bind_textdomain_codeset_utf8();
-#endif
-
-    // Now let's see if the file list still holds up
-    if ( needToRecodeParams )
-    {
-        fixupFilenameEncoding( fl );
-    }
-
-    // Check the globals for filename-fixup
-    if ( needToRecodeParams )
-    {
-        fixupSingleFilename( &sp_export_png, &sp_export_png_utf8 );
-        fixupSingleFilename( &sp_export_svg, &sp_export_svg_utf8 );
-        fixupSingleFilename( &sp_export_inkscape_svg, &sp_export_inkscape_svg_utf8 );
-        fixupSingleFilename( &sp_global_printer, &sp_global_printer_utf8 );
-#ifdef WITH_YAML
-        fixupSingleFilename( &sp_xverbs_yaml, &sp_xverbs_yaml_utf8 );
-#endif // WITH_YAML
-    }
-    else
-    {
-        if ( sp_export_png )
-            sp_export_png_utf8 = g_strdup( sp_export_png );
-        if ( sp_export_svg )
-            sp_export_svg_utf8 = g_strdup( sp_export_svg );
-        if ( sp_export_inkscape_svg )
-            sp_export_inkscape_svg_utf8 = g_strdup( sp_export_inkscape_svg );
-        if ( sp_global_printer )
-            sp_global_printer_utf8 = g_strdup( sp_global_printer );
-#ifdef WITH_YAML
-        if ( sp_xverbs_yaml )
-            sp_xverbs_yaml_utf8 = g_strdup( sp_xverbs_yaml );
-#endif // WITH_YAML
-    }
-
-    detect_pipe_in_filename( sp_export_png );
-    detect_pipe_in_filename( sp_export_svg );
-    detect_pipe_in_filename( sp_export_pdf );
-    detect_pipe_in_filename( sp_export_ps );
-    detect_pipe_in_filename( sp_export_eps );
-
-#ifdef WITH_DBUS
-    // Before initializing extensions, we must set the DBus bus name if required
-    if (sp_dbus_name != NULL) {
-        Inkscape::Extension::Dbus::dbus_set_bus_name(sp_dbus_name);
-    }
-#endif
-
-    // Return the list if wanted, else free it up.
-    if ( flDest ) {
-        flDest->insert(flDest->end(),fl.begin(),fl.end());
-    } else {
-        for (auto i:fl) {
-            g_free(i);
-        }
-    }
-    return 0;
-}
-
-namespace Inkscape {
-namespace UI {
-namespace Tools {
-
-guint get_latin_keyval(GdkEventKey const* event, guint *consumed_modifiers = nullptr);
-
-}
-}
-}
-
-static void
-snooper(GdkEvent *event, gpointer /*data*/) {
-    if (INKSCAPE.mapalt())  /* returns the map of the keyboard modifier to map to Alt, zero if no mapping */
-    {
-        GdkModifierType mapping=(GdkModifierType)INKSCAPE.mapalt();
-        switch (event->type) {
-            case GDK_MOTION_NOTIFY:
-                if(event->motion.state & mapping) {
-                    event->motion.state|=GDK_MOD1_MASK;
-                }
-                break;
-            case GDK_BUTTON_PRESS:
-                if(event->button.state & mapping) {
-                    event->button.state|=GDK_MOD1_MASK;
-                }
-                break;
-             case GDK_KEY_PRESS:
-                 if(event->key.state & mapping) {
-                     event->key.state|=GDK_MOD1_MASK;
-                 }
-                 break;
-        default:
-            break;
-        }
-    }
-
-    if (INKSCAPE.trackalt()) {
-        // MacOS X with X11 has some problem with the default
-        // xmodmapping.  A ~/.xmodmap solution does not work reliably due
-        // to the way we package our executable in a .app that can launch
-        // X11 or use an already-running X11.  The same problem has been
-        // reported on Linux but there is no .app/X11 to get in the way
-        // of ~/.xmodmap fixes.  So we make this a preference.
-        //
-        // For some reason, Gdk senses changes in Alt (Mod1) state for
-        // many message types, but not for keystrokes!  So this ugly hack
-        // tracks what the state of Alt-pressing is, and ensures
-        // GDK_MOD1_MASK is in the event->key.state as appropriate.
-        //
-        static gboolean altL_pressed = FALSE;
-        static gboolean altR_pressed = FALSE;
-        static gboolean alt_pressed = FALSE;
-
-        guint keyval = 0;
-        switch (event->type) {
-        case GDK_MOTION_NOTIFY:
-            alt_pressed = TRUE && (event->motion.state & GDK_MOD1_MASK);
-            break;
-        case GDK_BUTTON_PRESS:
-            alt_pressed = TRUE && (event->button.state & GDK_MOD1_MASK);
-            break;
-        case GDK_KEY_PRESS:
-            keyval = Inkscape::UI::Tools::get_latin_keyval(&event->key);
-            if (keyval == GDK_KEY_Alt_L) altL_pressed = TRUE;
-            if (keyval == GDK_KEY_Alt_R) altR_pressed = TRUE;
-            alt_pressed = alt_pressed || altL_pressed || altR_pressed;
-            alt_pressed = alt_pressed || (event->button.state & GDK_MOD1_MASK);
-            if (alt_pressed)
-                event->key.state |= GDK_MOD1_MASK;
-            else
-                event->key.state &= ~GDK_MOD1_MASK;
-            break;
-        case GDK_KEY_RELEASE:
-            keyval = Inkscape::UI::Tools::get_latin_keyval(&event->key);
-            if (keyval == GDK_KEY_Alt_L) altL_pressed = FALSE;
-            if (keyval == GDK_KEY_Alt_R) altR_pressed = FALSE;
-            if (!altL_pressed && !altR_pressed)
-                alt_pressed = FALSE;
-            break;
-        default:
-            break;
-        }
-        //printf("alt_pressed: %s\n", alt_pressed? "+" : "-");
-    }
-
-    gtk_main_do_event (event);
-}
-
-int
-sp_main_gui(int argc, char const **argv)
-{
-    Gtk::Main main_instance (&argc, const_cast<char ***>(&argv));
-
-    std::vector<gchar *> fl;
-    int retVal = sp_common_main( argc, argv, &fl );
-    g_return_val_if_fail(retVal == 0, 1);
-
-    gdk_event_handler_set((GdkEventFunc)snooper, nullptr, nullptr);
-    Inkscape::Debug::log_display_config();
-
-    // Set default window icon. Obeys the theme.
-    Gtk::Window::set_default_icon_name("inkscape");
-    Inkscape::UI::Widget::Panel::prep();
-
-    bool create_new = true;
-
-    /// \todo FIXME BROKEN - non-UTF-8 sneaks in here.
-    Inkscape::Application::create(argv[0], true);
-    INKSCAPE.set_pdf_page(sp_pdf_page);
-
-    for (auto i:fl) {
-        if (sp_file_open(i,nullptr)) {
-            create_new=false;
-        }
-    }
-    if (create_new) {
-        sp_file_new_default();
-    }
-
-    Glib::signal_idle().connect(sigc::ptr_fun(&Inkscape::CmdLineAction::idle));
-    main_instance.run();
-
-#ifdef _WIN32
-    //We might not need anything here
-    //sp_win32_finish(); <-- this is a NOP func
-#endif
-
-    return 0;
-}
-
-/**
- * Process file list
- */
-static int sp_process_file_list(std::vector<gchar*> fl)
-{
-    int retVal = 0;
-#ifdef WITH_DBUS
-    if (fl.empty()) {
-        // If we've been asked to listen for D-Bus messages, enter a main loop here
-        // The main loop may be exited by calling "exit" on the D-Bus application interface.
-        if (sp_dbus_listen) {
-            Gtk::Main main_dbus_loop(0, NULL);
-            main_dbus_loop.run();
-        }
-    }
-#endif // WITH_DBUS
-
-    for (auto filename:fl) {
-
-        SPDocument *doc = nullptr;
-        try {
-            doc = Inkscape::Extension::open(nullptr, filename);
-        } catch (Inkscape::Extension::Input::no_extension_found &e) {
-            doc = nullptr;
-        } catch (Inkscape::Extension::Input::open_failed &e) {
-            doc = nullptr;
-        }
-
-        if (doc == nullptr) {
-            try {
-                doc = Inkscape::Extension::open(Inkscape::Extension::db.get(SP_MODULE_KEY_INPUT_SVG), filename);
-            } catch (Inkscape::Extension::Input::no_extension_found &e) {
-                doc = nullptr;
-            } catch (Inkscape::Extension::Input::open_failed &e) {
-                doc = nullptr;
-            }
-        }
-        if (doc == nullptr) {
-            g_warning("Specified document %s cannot be opened (does not exist or not a valid SVG file)", filename);
-            retVal++;
-        } else {
-
-            INKSCAPE.add_document(doc);
-
-            if (sp_vacuum_defs) {
-                doc->vacuumDocument();
-            }
-
-            // Execute command-line actions (selections and verbs) using our local models
-            bool has_performed_actions = Inkscape::CmdLineAction::doList(INKSCAPE.active_action_context());
-
-#ifdef WITH_DBUS
-            // If we've been asked to listen for D-Bus messages, enter a main loop here
-            // The main loop may be exited by calling "exit" on the D-Bus application interface.
-            if (sp_dbus_listen) {
-                Gtk::Main main_dbus_loop(0, NULL);
-                main_dbus_loop.run();
-            }
-#endif // WITH_DBUS
-
-            if (!sp_export_svg && !sp_export_inkscape_svg && (sp_vacuum_defs || has_performed_actions)) {
-                // save under the name given in the command line
-                Inkscape::Extension::save(Inkscape::Extension::db.get("org.inkscape.output.svg.inkscape"), doc, filename, false,
-                            false, false, Inkscape::Extension::FILE_SAVE_METHOD_INKSCAPE_SVG);
-            }
-
-            if (sp_global_printer) {
-                sp_print_document_to_file(doc, sp_global_printer);
-            }
-            if (sp_export_png || (sp_export_id && sp_export_use_hints)) {
-                retVal |= do_export_png(doc);
-            }
-            if (sp_export_svg || sp_export_inkscape_svg) {
-                retVal |= do_export_svg(doc);
-            }
-            if (sp_export_ps) {
-                retVal |= do_export_ps_pdf(doc, sp_export_ps, "image/x-postscript");
-            }
-            if (sp_export_eps) {
-                retVal |= do_export_ps_pdf(doc, sp_export_eps, "image/x-e-postscript");
-            }
-            if (sp_export_pdf) {
-                retVal |= do_export_ps_pdf(doc, sp_export_pdf, "application/pdf");
-            }
-            if (sp_export_emf) {
-                retVal |= do_export_emf(doc, sp_export_emf, "image/x-emf");
-            }
-            if (sp_export_wmf) {
-                retVal |= do_export_wmf(doc, sp_export_wmf, "image/x-wmf");
-            }
-            if (sp_export_xaml) {
-                retVal |= do_export_xaml(doc, sp_export_xaml, "text/xml+xaml");
-            }
-            if (sp_query_all) {
-                do_query_all (doc);
-            } else if (sp_query_width || sp_query_height) {
-                do_query_dimension (doc, true, sp_query_width? Geom::X : Geom::Y, sp_query_id);
-            } else if (sp_query_x || sp_query_y) {
-                do_query_dimension (doc, false, sp_query_x? Geom::X : Geom::Y, sp_query_id);
-            }
-
-            INKSCAPE.remove_document(doc);
-
-            delete doc;
-        }
-    }
-    return retVal;
-}
-
-/**
- * Run the application as an interactive shell, parsing command lines from stdin
- * Returns -1 on error.
- */
-static int sp_main_shell(char const* command_name)
-{
-    int retval = 0;
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    const unsigned int buffer_size = 4096;
-    gchar *command_line = g_strnfill(buffer_size, 0);
-    g_strlcpy(command_line, command_name, buffer_size);
-    gsize offset = g_strlcat(command_line, " ", buffer_size);
-    gsize sizeLeft = buffer_size - offset;
-    gchar *useme = command_line + offset;
-
-    fprintf(stdout, "Inkscape %s interactive shell mode. Type 'quit' to quit.\n", Inkscape::version_string);
-    fflush(stdout);
-    char* linedata = nullptr;
-    do {
-        fprintf(stdout, ">");
-        fflush(stdout);
-        if ((linedata = fgets(useme, sizeLeft, stdin))) {
-            size_t len = strlen(useme);
-            if ( (len >= sizeLeft - 1) || (useme[len - 1] != '\n') ) {
-                fprintf(stdout, "ERROR: Command line too long\n");
-                // Consume rest of line
-                retval = -1; // If the while loop completes, this remains -1
-                while (fgets(useme, sizeLeft, stdin) && retval) {
-                    len = strlen(command_line);
-                    if ( (len < buffer_size) && (command_line[len-1] == '\n') ) {
-                        retval = 0;
-                    }
-                }
-            } else {
-                useme[--len] = '\0';  // Strip newline
-                if (useme[len - 1] == '\r') {
-                    useme[--len] = '\0';
-                }
-                if ( strcmp(useme, "quit") == 0 ) {
-                    // Time to quit
-                    fflush(stdout);
-                    linedata = nullptr; // mark for exit
-                } else if ( len < 1 ) {
-                    // blank string. Do nothing.
-                } else {
-                    GError* parseError = nullptr;
-                    gchar** argv = nullptr;
-                    gint argc = 0;
-                    if ( g_shell_parse_argv(command_line, &argc, &argv, &parseError) ) {
-                        poptContext ctx = poptGetContext(nullptr, argc, const_cast<const gchar**>(argv), options, 0);
-                        poptSetOtherOptionHelp(ctx, _("[OPTIONS...] [FILE...]\n\nAvailable options:"));
-                        if ( ctx ) {
-                            std::vector<gchar *> fl = sp_process_args(ctx);
-                            INKSCAPE.set_pdf_page(sp_pdf_page);
-                            if (sp_process_file_list(fl)) {
-                                retval = -1;
-                            }
-                            poptFreeContext(ctx);
-                        } else {
-                            retval = 1; // not sure why. But this was the previous return value
-                        }
-                        resetCommandlineGlobals();
-                        g_strfreev(argv);
-                    } else {
-                        g_warning("Cannot parse commandline: %s", useme);
-                        retval = -1;
-                    }
-                }
-            }
-        } // if (linedata...
-    } while (linedata && (retval == 0));
-
-    g_free(command_line);
-    return retval;
-}
-
-int sp_main_console(int argc, char const **argv)
-{
-    /* We are started in text mode */
-Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-#if !GLIB_CHECK_VERSION(2,36,0)
-    /* Do this g_type_init(), so that we can use Xft/Freetype2 (Pango)
-     * in a non-Gtk environment.  Used in libnrtype's
-     * FontInstance.cpp and FontFactory.cpp.
-     * http://mail.gnome.org/archives/gtk-list/2003-December/msg00063.html
-     */
-    g_type_init();
-#endif
-
-    char **argv2 = const_cast<char **>(argv);
-    gtk_init_check( &argc, &argv2 );
-
-    std::vector<gchar*> fl;
-    int retVal = sp_common_main( argc, argv, &fl );
-    g_return_val_if_fail(retVal == 0, 1);
-
-    if (fl.empty() && !sp_shell
-#ifdef WITH_DBUS
-        && !sp_dbus_listen
-#endif // WITH_DBUS
-        ) {
-        do_print_message("Nothing to do!\n");
-        exit(0);
-    }
-
-    Inkscape::Application::create(argv[0], false);
-    INKSCAPE.set_pdf_page(sp_pdf_page);
-
-    if (sp_shell) {
-        int retVal = sp_main_shell(argv[0]); // Run as interactive shell
-        exit((retVal < 0) ? 1 : 0);
-    } else {
-        int retVal = sp_process_file_list(fl); // Normal command line invocation
-        if (retVal){
-            exit(1);
-        }
-    }
-    return 0;
-}
-
-static void
-do_query_dimension (SPDocument *doc, bool extent, Geom::Dim2 const axis, const gchar *id)
-{
-    SPObject *o = nullptr;
-
-    if (id) {
-        o = doc->getObjectById(id);
-        if (o) {
-            if (!SP_IS_ITEM (o)) {
-                g_warning("Object with id=\"%s\" is not a visible item. Cannot query dimensions.", id);
-                return;
-            }
-        } else {
-            g_warning("Object with id=\"%s\" is not found. Cannot query dimensions.", id);
-            return;
-        }
-    } else {
-        o = doc->getRoot();
-    }
-
-    if (o) {
-        doc->ensureUpToDate();
-        SPItem *item = ((SPItem *) o);
-
-        // visual bbox in document coords for scripting
-        Geom::OptRect area = item->documentVisualBounds();
-        if (area) {
-            Inkscape::SVGOStringStream os;
-            if (extent) {
-                os << area->dimensions()[axis];
-            } else {
-                os << area->min()[axis];
-            }
-            do_print_message ("%s", os.str().c_str());
-        } else {
-            do_print_message("0");
-        }
-    }
-}
-
-static void do_query_all(SPDocument *doc)
-{
-    SPObject *o = doc->getRoot();
-
-    if (o) {
-        doc->ensureUpToDate();
-        do_query_all_recurse(o);
-    }
-}
-
-static void
-do_query_all_recurse (SPObject *o)
-{
-    SPItem *item = ((SPItem *) o);
-    if (o->getId() && SP_IS_ITEM(item)) {
-        Geom::OptRect area = item->documentVisualBounds();
-        if (area) {
-            Inkscape::SVGOStringStream os;
-            os << o->getId();
-            os << "," << area->min()[Geom::X];
-            os << "," << area->min()[Geom::Y];
-            os << "," << area->dimensions()[Geom::X];
-            os << "," << area->dimensions()[Geom::Y];
-            do_print_message ("%s\n", os.str().c_str());
-        }
-    }
-
-    for(auto& child: o->children) {
-        do_query_all_recurse (&child);
-    }
-}
-
-/**
- *  Perform a PNG export
- *
- *  \param doc Document to export.
- */
-
-static int do_export_png(SPDocument *doc)
-{
-    Glib::ustring filename;
-    bool filename_from_hint = false;
-    gdouble dpi = 0.0;
-
-    if (sp_export_use_hints && (!sp_export_id && !sp_export_area_drawing)) {
-        g_warning ("--export-use-hints can only be used with --export-id or --export-area-drawing; ignored.");
-    }
-
-    std::vector<SPItem*> items;
-
-    Geom::Rect area;
-    if (sp_export_id || sp_export_area_drawing) {
-
-        SPObject *o = nullptr;
-        SPObject *o_area = nullptr;
-        if (sp_export_id && sp_export_area_drawing) {
-            o = doc->getObjectById(sp_export_id);
-            o_area = doc->getRoot();
-        } else if (sp_export_id) {
-            o = doc->getObjectById(sp_export_id);
-            o_area = o;
-        } else if (sp_export_area_drawing) {
-            o = doc->getRoot();
-            o_area = o;
-        }
-
-        if (o) {
-            if (!SP_IS_ITEM (o)) {
-                g_warning("Object with id=\"%s\" is not a visible item. Nothing exported.", sp_export_id);
-                return 1;
-            }
-
-            items.push_back(SP_ITEM(o));
-
-            if (sp_export_id_only) {
-                do_print_message("Exporting only object with id=\"%s\"; all other objects hidden\n", sp_export_id);
-            }
-
-            if (sp_export_use_hints) {
-
-                // retrieve export filename hint
-                const gchar *fn_hint = o->getRepr()->attribute("inkscape:export-filename");
-                if (fn_hint) {
-                    if (sp_export_png) {
-                        g_warning ("Using export filename from the command line (--export-png). Filename hint %s is ignored.", fn_hint);
-                        filename = sp_export_png;
-                    } else {
-                        filename = fn_hint;
-                        filename_from_hint = true;
-                    }
-                } else {
-                    g_warning ("Export filename hint not found for the object.");
-                    filename = sp_export_png;
-                }
-
-                // retrieve export dpi hints
-                const gchar *dpi_hint = o->getRepr()->attribute("inkscape:export-xdpi"); // only xdpi, ydpi is always the same now
-                if (dpi_hint) {
-                    if (sp_export_dpi || sp_export_width || sp_export_height) {
-                        g_warning ("Using bitmap dimensions from the command line (--export-dpi, --export-width, or --export-height). DPI hint %s is ignored.", dpi_hint);
-                    } else {
-                        dpi = atof(dpi_hint);
-                    }
-                } else {
-                    g_warning ("Export DPI hint not found for the object.");
-                }
-
-            }
-
-            // write object bbox to area
-            doc->ensureUpToDate();
-            Geom::OptRect areaMaybe = static_cast<SPItem *>(o_area)->desktopVisualBounds();
-            if (areaMaybe) {
-                area = *areaMaybe;
-            } else {
-                g_warning("Unable to determine a valid bounding box. Nothing exported.");
-                return 1;
-            }
-        } else {
-            g_warning("Object with id=\"%s\" was not found in the document. Nothing exported.", sp_export_id);
-            return 1;
-        }
-    }
-
-    if (sp_export_area) {
-        /* Try to parse area (given in SVG pixels) */
-        gdouble x0,y0,x1,y1;
-        if (sscanf(sp_export_area, "%lg:%lg:%lg:%lg", &x0, &y0, &x1, &y1) != 4) {
-            g_warning("Cannot parse export area '%s'; use 'x0:y0:x1:y1'. Nothing exported.", sp_export_area);
-            return 1;
-        }
-        area = Geom::Rect(Geom::Interval(x0,x1), Geom::Interval(y0,y1));
-    } else if (sp_export_area_page || !(sp_export_id || sp_export_area_drawing)) {
-        /* Export the whole page: note: Inkscape uses 'page' in all menus and dialogs, not 'canvas' */
-        doc->ensureUpToDate();
-        Geom::Point origin(doc->getRoot()->x.computed, doc->getRoot()->y.computed);
-        area = Geom::Rect(origin, origin + doc->getDimensions());
-    }
-
-    // set filename and dpi from options, if not yet set from the hints
-    if (filename.empty()) {
-        if (!sp_export_png || sp_export_png[0] == '\0') {
-            g_warning ("No export filename given and no filename hint. Nothing exported.");
-            return 1;
-        }
-        filename = sp_export_png;
-    }
-
-    if (sp_export_dpi && dpi == 0.0) {
-        dpi = atof(sp_export_dpi);
-        if ((dpi < 0.1) || (dpi > 10000.0)) {
-            g_warning("DPI value %s out of range [0.1 - 10000.0]. Nothing exported.", sp_export_dpi);
-            return 1;
-        }
-        do_print_message("DPI: %g\n", dpi);
-    }
-
-    if (sp_export_area_snap) {
-        area = area.roundOutwards();
-    }
-
-    // default dpi
-    if (dpi == 0.0) {
-        dpi = Inkscape::Util::Quantity::convert(1, "in", "px");
-    }
-
-    unsigned long int width = 0;
-    unsigned long int height = 0;
-
-    if (sp_export_width) {
-        errno=0;
-        width = strtoul(sp_export_width, nullptr, 0);
-        if ((width < 1) || (width > PNG_UINT_31_MAX) || (errno == ERANGE) ) {
-            g_warning("Export width %lu out of range (1 - %lu). Nothing exported.", width, (unsigned long int)PNG_UINT_31_MAX);
-            return 1;
-        }
-        dpi = (gdouble) Inkscape::Util::Quantity::convert(width, "in", "px") / area.width();
-    }
-
-    if (sp_export_height) {
-        errno=0;
-        height = strtoul(sp_export_height, nullptr, 0);
-        if ((height < 1) || (height > PNG_UINT_31_MAX)) {
-            g_warning("Export height %lu out of range (1 - %lu). Nothing exported.", height, (unsigned long int)PNG_UINT_31_MAX);
-            return 1;
-        }
-        dpi = (gdouble) Inkscape::Util::Quantity::convert(height, "in", "px") / area.height();
-    }
-
-    if (!sp_export_width) {
-        width = (unsigned long int) (Inkscape::Util::Quantity::convert(area.width(), "px", "in") * dpi + 0.5);
-    }
-
-    if (!sp_export_height) {
-        height = (unsigned long int) (Inkscape::Util::Quantity::convert(area.height(), "px", "in") * dpi + 0.5);
-    }
-
-    guint32 bgcolor = 0x00000000;
-    if (sp_export_background) {
-        // override the page color
-        bgcolor = sp_svg_read_color(sp_export_background, 0xffffff00);
-        bgcolor |= 0xff; // default is no opacity
-    } else {
-        // read from namedview
-        Inkscape::XML::Node *nv = sp_repr_lookup_name (doc->rroot, "sodipodi:namedview");
-        if (nv && nv->attribute("pagecolor")){
-            bgcolor = sp_svg_read_color(nv->attribute("pagecolor"), 0xffffff00);
-        }
-        if (nv && nv->attribute("inkscape:pageopacity")){
-            double opacity = 1.0;
-            sp_repr_get_double (nv, "inkscape:pageopacity", &opacity);
-            bgcolor |= SP_COLOR_F_TO_U(opacity);
-        }
-    }
-
-    if (sp_export_background_opacity) {
-        // override opacity
-        gfloat value;
-        if (sp_svg_number_read_f (sp_export_background_opacity, &value)) {
-            if (value > 1.0) {
-                value = CLAMP (value, 1.0f, 255.0f);
-                bgcolor &= (guint32) 0xffffff00;
-                bgcolor |= (guint32) floor(value);
-            } else {
-                value = CLAMP (value, 0.0f, 1.0f);
-                bgcolor &= (guint32) 0xffffff00;
-                bgcolor |= SP_COLOR_F_TO_U(value);
-            }
-        }
-    }
-
-    Glib::ustring path;
-    if (filename_from_hint) {
-        //Make relative paths go from the document location, if possible:
-        if (!Glib::path_is_absolute(filename) && doc->getURI()) {
-            Glib::ustring dirname = Glib::path_get_dirname(doc->getURI());
-            if (!dirname.empty()) {
-                path = Glib::build_filename(dirname, filename);
-            }
-        }
-        if (path.empty()) {
-            path = filename;
-        }
-    } else {
-        path = filename;
-    }
-
-    //check if specified directory exists
-    if (!Inkscape::IO::file_directory_exists(filename.c_str())) {
-        g_warning("File path \"%s\" includes directory that doesn't exist.\n", filename.c_str());
-        return 1;
-    } else {
-        do_print_message("Background RRGGBBAA: %08x\n", bgcolor);
-
-        do_print_message("Area %g:%g:%g:%g exported to %lu x %lu pixels (%g dpi)\n", area[Geom::X][0], area[Geom::Y][0], area[Geom::X][1], area[Geom::Y][1], width, height, dpi);
-
-        reverse(items.begin(),items.end());
-
-        if ((width >= 1) && (height >= 1) && (width <= PNG_UINT_31_MAX) && (height <= PNG_UINT_31_MAX)) {
-            if( sp_export_png_file(doc, path.c_str(), area, width, height, dpi,
-              dpi, bgcolor, nullptr, nullptr, true, sp_export_id_only ? items : std::vector<SPItem*>()) == 1 ) {
-                do_print_message("Bitmap saved as: %s\n", filename.c_str());
-            } else {
-                g_warning("Bitmap failed to save to: %s", filename.c_str());
-                return 1;
-            }
-        } else {
-            g_warning("Calculated bitmap dimensions %lu %lu are out of range (1 - %lu). Nothing exported.", width, height, (unsigned long int)PNG_UINT_31_MAX);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-/**
- *  Perform an SVG export
- *
- *  \param doc Document to export.
- */
-
-static int do_export_svg(SPDocument* doc)
-{
-    if (sp_export_text_to_path) {
-        std::vector<SPItem*> items;
-        SPRoot *root = doc->getRoot();
-        doc->ensureUpToDate();
-        for (auto& iter: root->children) {
-            SPItem* item = (SPItem*) &iter;
-            if (! (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item) || SP_IS_GROUP(item))) {
-                continue;
-            }
-
-            te_update_layout_now_recursive(item);
-            items.push_back(item);
-        }
-
-        std::vector<SPItem*> selected;
-        std::vector<Inkscape::XML::Node*> to_select;
-
-        sp_item_list_to_curves(items, selected, to_select);
-
-    }
-    if (sp_export_margin) {
-        gdouble margin = g_ascii_strtod(sp_export_margin, nullptr);
-        doc->ensureUpToDate();
-        SPNamedView *nv;
-        Inkscape::XML::Node *nv_repr;
-        if ((nv = sp_document_namedview(doc, nullptr)) && (nv_repr = nv->getRepr())) {
-            sp_repr_set_svg_double(nv_repr, "fit-margin-top", margin);
-            sp_repr_set_svg_double(nv_repr, "fit-margin-left", margin);
-            sp_repr_set_svg_double(nv_repr, "fit-margin-right", margin);
-            sp_repr_set_svg_double(nv_repr, "fit-margin-bottom", margin);
-        }
-    }
-    if(sp_export_area_drawing) {
-        fit_canvas_to_drawing(doc, sp_export_margin ? true : false);
-    }
-    if(sp_export_id) {
-        doc->ensureUpToDate();
-
-        // "crop" the document to the specified object, cleaning as we go.
-        SPObject *obj = doc->getObjectById(sp_export_id);
-        if (sp_export_id_only) {
-            // If -j then remove all other objects to complete the "crop"
-            doc->getRoot()->cropToObject(obj);
-        }
-        Inkscape::ObjectSet s(doc);
-        s.set(obj);
-        if (!sp_export_area_page) {
-            s.fitCanvas(sp_export_margin ? true : false);
-        }
-    }
-
-    int ret = 0;
-    if (sp_export_svg) {
-        try {
-            Inkscape::Extension::save(Inkscape::Extension::db.get("org.inkscape.output.svg.plain"), doc, sp_export_svg, false,
-                        false, false, Inkscape::Extension::FILE_SAVE_METHOD_SAVE_COPY);
-        } catch (Inkscape::Extension::Output::save_failed &e) {
-            g_warning("Failed to save plain SVG to: %s", sp_export_svg);
-            ret = 1;
-        }
-    }
-    if (sp_export_inkscape_svg) {
-        // Export as inkscape SVG.
-        try {
-            Inkscape::Extension::save(Inkscape::Extension::db.get("org.inkscape.output.svg.inkscape"), doc, sp_export_inkscape_svg, false,
-                        false, false, Inkscape::Extension::FILE_SAVE_METHOD_INKSCAPE_SVG);
-        } catch (Inkscape::Extension::Output::save_failed &e) {
-            g_warning("Failed to save Inkscape SVG to: %s", sp_export_inkscape_svg);
-            ret = 1;
-        }
-    }
-    return ret;
-}
-
-/**
- *  Perform a PDF/PS/EPS export
- *
- *  \param doc Document to export.
- *  \param uri URI to export to.
- *  \param mime MIME type to export as.
- */
-
-static int do_export_ps_pdf(SPDocument* doc, gchar const* uri, char const* mime)
-{
-    Inkscape::Extension::DB::OutputList o;
-    Inkscape::Extension::db.get_output_list(o);
-    Inkscape::Extension::DB::OutputList::const_iterator i = o.begin();
-    while (i != o.end() && strcmp( (*i)->get_mimetype(), mime ) != 0) {
-        i++;
-    }
-
-    if (i == o.end())
-    {
-        g_warning ("Could not find an extension to export to MIME type %s.", mime);
-        return 1;
-    }
-
-    if (sp_export_id) {
-        SPObject *o = doc->getObjectById(sp_export_id);
-        if (o == nullptr) {
-            g_warning("Object with id=\"%s\" was not found in the document. Nothing exported.", sp_export_id);
-            return 1;
-        }
-        (*i)->set_param_string ("exportId", sp_export_id);
-    } else {
-        (*i)->set_param_string ("exportId", "");
-    }
-
-    if (sp_export_area_page && sp_export_area_drawing) {
-        g_warning ("You cannot use --export-area-page and --export-area-drawing at the same time; only the former will take effect.");
-        sp_export_area_drawing = false;
-    }
-
-    if (sp_export_area_drawing) {
-        (*i)->set_param_optiongroup ("area", "drawing");
-    }
-
-    if (sp_export_area_page) {
-        if (sp_export_eps) {
-            g_warning ("EPS cannot have its bounding box extend beyond its content, so if your drawing is smaller than the page, --export-area-page will clip it to drawing.");
-        }
-        (*i)->set_param_optiongroup ("area", "page");
-    }
-
-    if (!sp_export_area_drawing && !sp_export_area_page && !sp_export_id) {
-        // neither is set, set page as default for ps/pdf and drawing for eps
-        if (sp_export_eps) {
-            try {
-               (*i)->set_param_optiongroup("area", "drawing");
-            } catch (...) {}
-        }
-    }
-
-    if (sp_export_text_to_path) {
-        (*i)->set_param_optiongroup("textToPath", "paths");
-    } else if (sp_export_latex) {
-        (*i)->set_param_optiongroup("textToPath", "LaTeX");
-    } else {
-        (*i)->set_param_optiongroup("textToPath", "embed");
-    }
-
-    if (sp_export_ignore_filters) {
-        (*i)->set_param_bool("blurToBitmap", FALSE);
-    } else {
-        (*i)->set_param_bool("blurToBitmap", TRUE);
-
-        gdouble dpi = 96.0;
-        if (sp_export_dpi) {
-            dpi = atof(sp_export_dpi);
-            if ((dpi < 1) || (dpi > 10000.0)) {
-                g_warning("DPI value %s out of range [1 - 10000]. Using 96 dpi instead.", sp_export_dpi);
-                dpi = 96;
-            }
-        }
-
-        (*i)->set_param_int("resolution", (int) dpi);
-    }
-
-    // if no bleed/margin is given, set to 0  (otherwise it takes the value last used from the UI)
-    float margin = 0.;
-    if (sp_export_margin) {
-        margin = g_ascii_strtod(sp_export_margin, nullptr);
-    }
-    (*i)->set_param_float("bleed", margin);
-
-    // handle --export-pdf-version
-    if (g_strcmp0(mime, "application/pdf") == 0) {
-        bool set_export_pdf_version_fail=true;
-        const gchar *pdfver_param_name="PDFversion";
-        if(sp_export_pdf_version) {
-            // combine "PDF " and the given command line
-            std::string version_gui_string=std::string("PDF ")+sp_export_pdf_version;
-            try{
-                // first, check if the given pdf version is selectable in the ComboBox
-                if((*i)->get_param_enum_contains("PDFversion", version_gui_string.c_str())) {
-                    (*i)->set_param_enum(pdfver_param_name, version_gui_string.c_str());
-                    set_export_pdf_version_fail=false;
-                } else {
-                    g_warning("Desired PDF export version \"%s\" not supported! Hint: input one of the versions found in the pdf export dialog e.g. \"1.4\".",
-                              sp_export_pdf_version);
-                }
-            } catch (...) {
-                // can be thrown along the way:
-                // throw Extension::param_not_exist();
-                // throw Extension::param_not_enum_param();
-                g_warning("Parameter or Enum \"%s\" might not exist",pdfver_param_name);
-            }
-        }
-
-        // set default pdf export version to 1.4, also if something went wrong
-        if(set_export_pdf_version_fail) {
-            (*i)->set_param_enum(pdfver_param_name, "PDF 1.4");
-        }
-    }
-
-    if(!uri || uri[0] == '\0') {
-        g_warning ("No export filename given. Nothing exported.");
-        return 0;
-    }
-
-    //check if specified directory exists
-    if (!Inkscape::IO::file_directory_exists(uri)) {
-        g_warning("File path \"%s\" includes directory that doesn't exist.\n", uri);
-        return 1;
-    }
-
-    if ( g_strcmp0(mime, "image/x-postscript") == 0
-         || g_strcmp0(mime, "image/x-e-postscript") == 0 ) {
-        if ( sp_export_ps_level < 2 || sp_export_ps_level > 3 ) {
-            g_warning("Only supported PostScript levels are 2 and 3."
-                      " Defaulting to 2.");
-            sp_export_ps_level = 2;
-        }
-
-        (*i)->set_param_enum("PSlevel", (sp_export_ps_level == 3)
-                             ? "PostScript level 3" : "PostScript level 2");
-    }
-
-    try {
-        (*i)->save(doc, uri);
-    } catch(...) {
-        g_warning("Failed to save pdf to: %s", uri);
-    }
-    return 0;
-}
-
-/**
- *  Export a document to EMF or WMF
- *
- *  \param doc Document to export.
- *  \param uri URI to export to.
- *  \param mime MIME type to export as (should be "image/x-emf" or "image/x-wmf")
- */
-
-static int do_export_win_metafile_common(SPDocument* doc, gchar const* uri, char const* mime)
-{
-    Inkscape::Extension::DB::OutputList o;
-    Inkscape::Extension::db.get_output_list(o);
-    Inkscape::Extension::DB::OutputList::const_iterator i = o.begin();
-    while (i != o.end() && strcmp( (*i)->get_mimetype(), mime ) != 0) {
-        i++;
-    }
-
-    if (i == o.end())
-    {
-        g_warning ("Could not find an extension to export to MIME type %s.", mime);
-        return 1;
-    }
-
-    //check if specified directory exists
-    if (!Inkscape::IO::file_directory_exists(uri)){
-        g_warning("File path \"%s\" includes directory that doesn't exist.\n",
-        uri);
-        return 1;
-    }
-
-    (*i)->save(doc, uri);
-    return 0;
-}
-
-/**
- *  Export a document to EMF
- *
- *  \param doc Document to export.
- *  \param uri URI to export to.
- *  \param mime MIME type to export as (should be "image/x-emf")
- */
-
-static int do_export_emf(SPDocument* doc, gchar const* uri, char const* mime)
-{
-    if(!uri || uri[0] == '\0') {
-        g_warning("No filename provided for emf export.");
-        return 0;
-    }
-    return do_export_win_metafile_common(doc, uri, mime);
-}
-
-/**
- *  Export a document to WMF
- *
- *  \param doc Document to export.
- *  \param uri URI to export to.
- *  \param mime MIME type to export as (should be "image/x-wmf")
- */
-
-static int do_export_wmf(SPDocument* doc, gchar const* uri, char const* mime)
-{
-    if(!uri || uri[0] == '\0') {
-        g_warning("No filename provided for wmf export.");
-        return 0;
-    }
-    return do_export_win_metafile_common(doc, uri, mime);
-}
-
-/**
- *  Export a document to XAML
- *
- *  \param doc Document to export.
- *  \param uri URI to export to.
- *  \param mime MIME type to export as (should be "text/xml+xaml)
- */
-
-static int do_export_xaml(SPDocument* doc, gchar const* uri, char const* mime)
-{
-    if(!uri || uri[0] == '\0') {
-        g_warning("No filename provided for xaml export.");
-        return 0;
-    }
-    return do_export_win_metafile_common(doc, uri, mime);
-}
-
-#ifdef _WIN32
-bool replaceArgs( int& argc, char**& argv )
-{
-    bool worked = false;
-
-#ifdef REPLACEARGS_DEBUG
-    MessageBoxA( NULL, "GetCommandLineW() getting called", "GetCommandLineW", MB_OK | MB_ICONINFORMATION );
-#endif // REPLACEARGS_DEBUG
-
-    wchar_t* line = GetCommandLineW();
-    if ( line )
-    {
-#ifdef REPLACEARGS_DEBUG
-        {
-            gchar* utf8Line = g_utf16_to_utf8( (gunichar2*)line, -1, NULL, NULL, NULL );
-            if ( utf8Line )
-            {
-                gchar *safe = Inkscape::IO::sanitizeString(utf8Line);
-                {
-                    char tmp[strlen(safe) + 32];
-                    snprintf( tmp, sizeof(tmp), "GetCommandLineW() = '%s'", safe );
-                    MessageBoxA( NULL, tmp, "GetCommandLineW", MB_OK | MB_ICONINFORMATION );
-                }
-            }
-        }
-#endif // REPLACEARGS_DEBUG
-
-        int numArgs = 0;
-        wchar_t** parsed = CommandLineToArgvW( line, &numArgs );
-
-#ifdef REPLACEARGS_ANSI
-// test code for trying things on Win95/98/ME
-        if ( !parsed )
-        {
-#ifdef REPLACEARGS_DEBUG
-            MessageBoxA( NULL, "Unable to process command-line. Faking it", "CommandLineToArgvW", MB_OK | MB_ICONINFORMATION );
-#endif // REPLACEARGS_DEBUG
-            int lineLen = wcslen(line) + 1;
-            wchar_t* lineDup = new wchar_t[lineLen];
-            wcsncpy( lineDup, line, lineLen );
-
-            int pos = 0;
-            bool inQuotes = false;
-            bool inWhitespace = true;
-            std::vector<int> places;
-            while ( lineDup[pos] )
-            {
-                if ( inQuotes )
-                {
-                    if ( lineDup[pos] == L'"' )
-                    {
-                        inQuotes = false;
-                    }
-                }
-                else if ( lineDup[pos] == L'"' )
-                {
-                    inQuotes = true;
-                    inWhitespace = false;
-                    places.push_back(pos);
-                }
-                else if ( lineDup[pos] == L' ' || lineDup[pos] == L'\t' )
-                {
-                    if ( !inWhitespace )
-                    {
-                        inWhitespace = true;
-                        lineDup[pos] = 0;
-                    }
-                }
-                else if ( inWhitespace && (lineDup[pos] != L' ' && lineDup[pos] != L'\t') )
-                {
-                    inWhitespace = false;
-                    places.push_back(pos);
-                }
-                else
-                {
-                    // consume
-                }
-                pos++;
-            }
-#ifdef REPLACEARGS_DEBUG
-            {
-                char tmp[256];
-                snprintf( tmp, sizeof(tmp), "Counted %d args", places.size() );
-                MessageBoxA( NULL, tmp, "CommandLineToArgvW", MB_OK | MB_ICONINFORMATION );
-            }
-#endif // REPLACEARGS_DEBUG
-
-            wchar_t** block = new wchar_t*[places.size()];
-            int i = 0;
-            for ( std::vector<int>::iterator it = places.begin(); it != places.end(); it++ )
-            {
-                block[i++] = &lineDup[*it];
-            }
-            parsed = block;
-            numArgs = places.size();
-        }
-#endif // REPLACEARGS_ANSI
-
-        if ( parsed )
-        {
-            std::vector<wchar_t*>expandedArgs;
-            if ( numArgs > 0 )
-            {
-                expandedArgs.push_back( parsed[0] );
-            }
-
-            for ( int i1 = 1; i1 < numArgs; i1++ )
-            {
-                bool wildcarded = (wcschr(parsed[i1], L'?') != NULL) || (wcschr(parsed[i1], L'*') != NULL);
-                wildcarded &= parsed[i1][0] != L'"';
-                wildcarded &= parsed[i1][0] != L'-';
-                if ( wildcarded )
-                {
-#ifdef REPLACEARGS_ANSI
-                    WIN32_FIND_DATAA data;
-#else
-                    WIN32_FIND_DATAW data;
-#endif // REPLACEARGS_ANSI
-
-                    memset((void *)&data, 0, sizeof(data));
-
-                    int baseLen = wcslen(parsed[i1]) + 2;
-                    wchar_t* base = new wchar_t[baseLen];
-                    wcsncpy( base, parsed[i1], baseLen );
-                    wchar_t* last = wcsrchr( base, L'\\' );
-                    if ( last )
-                    {
-                        last[1] = 0;
-                    }
-                    else
-                    {
-                        base[0] = 0;
-                    }
-                    baseLen = wcslen( base );
-
-#ifdef REPLACEARGS_ANSI
-                    char target[MAX_PATH];
-                    if ( WideCharToMultiByte( CP_ACP, 0, parsed[i1], -1, target, sizeof(target), NULL, NULL) )
-                    {
-                        HANDLE hf = FindFirstFileA( target, &data );
-#else
-                        HANDLE hf = FindFirstFileW( parsed[i1], &data );
-#endif // REPLACEARGS_ANSI
-                        if ( hf != INVALID_HANDLE_VALUE )
-                        {
-                            BOOL found = TRUE;
-                            do
-                            {
-#ifdef REPLACEARGS_ANSI
-                                int howMany = MultiByteToWideChar( CP_ACP, 0, data.cFileName, -1, NULL, 0 );
-                                if ( howMany > 0 )
-                                {
-                                    howMany += baseLen;
-                                    wchar_t* tmp = new wchar_t[howMany + 1];
-                                    wcsncpy( tmp, base, howMany + 1 );
-                                    MultiByteToWideChar( CP_ACP, 0, data.cFileName, -1, tmp + baseLen, howMany + 1 - baseLen );
-                                    expandedArgs.push_back( tmp );
-                                    found = FindNextFileA( hf, &data );
-                                }
-#else
-                                int howMany = wcslen(data.cFileName) + baseLen;
-                                wchar_t* tmp = new wchar_t[howMany + 1];
-                                wcsncpy( tmp, base, howMany + 1 );
-                                wcsncat( tmp, data.cFileName, howMany + 1 );
-                                expandedArgs.push_back( tmp );
-                                found = FindNextFileW( hf, &data );
-#endif // REPLACEARGS_ANSI
-                            } while ( found );
-
-                            FindClose( hf );
-                        }
-                        else
-                        {
-                            expandedArgs.push_back( parsed[i1] );
-                        }
-#ifdef REPLACEARGS_ANSI
-                    }
-#endif // REPLACEARGS_ANSI
-
-                    delete[] base;
-                }
-                else
-                {
-                    expandedArgs.push_back( parsed[i1] );
-                }
-            }
-
-            {
-                wchar_t** block = new wchar_t*[expandedArgs.size()];
-                int iz = 0;
-                for ( std::vector<wchar_t*>::iterator it = expandedArgs.begin(); it != expandedArgs.end(); it++ )
-                {
-                    block[iz++] = *it;
-                }
-                parsed = block;
-                numArgs = expandedArgs.size();
-            }
-
-            std::vector<gchar*> newArgs;
-            for ( int i = 0; i < numArgs; i++ )
-            {
-                gchar* replacement = g_utf16_to_utf8( (gunichar2*)parsed[i], -1, NULL, NULL, NULL );
-                if ( replacement )
-                {
-#ifdef REPLACEARGS_DEBUG
-                    gchar *safe2 = Inkscape::IO::sanitizeString(replacement);
-
-                    if ( safe2 )
-                    {
-                        {
-                            char tmp[1024];
-                            snprintf( tmp, sizeof(tmp), "    [%2d] = '%s'", i, safe2 );
-                            MessageBoxA( NULL, tmp, "GetCommandLineW", MB_OK | MB_ICONINFORMATION );
-                        }
-                        g_free( safe2 );
-                    }
-#endif // REPLACEARGS_DEBUG
-
-                    newArgs.push_back( replacement );
-                }
-                else
-                {
-                    newArgs.push_back( blankParam );
-                }
-            }
-
-            // Now push our munged params to be the new argv and argc
-            {
-                char** block = new char*[newArgs.size()];
-                int iz = 0;
-                for ( std::vector<char*>::iterator it = newArgs.begin(); it != newArgs.end(); it++ )
-                {
-                    block[iz++] = *it;
-                }
-                argv = block;
-                argc = newArgs.size();
-                worked = true;
-            }
-        }
-#ifdef REPLACEARGS_DEBUG
-        else
-        {
-            MessageBoxA( NULL, "Unable to process command-line", "CommandLineToArgvW", MB_OK | MB_ICONINFORMATION );
-        }
-#endif // REPLACEARGS_DEBUG
-    }
-#ifdef REPLACEARGS_DEBUG
-    else
-    {
-        {
-            MessageBoxA( NULL,  "Unable to fetch result from GetCommandLineW()", "GetCommandLineW", MB_OK | MB_ICONINFORMATION );
-        }
-
-        char* line2 = GetCommandLineA();
-        if ( line2 )
-        {
-            gchar *safe = Inkscape::IO::sanitizeString(line2);
-            {
-                {
-                    char tmp[strlen(safe) + 32];
-                    snprintf( tmp, sizeof(tmp), "GetCommandLineA() = '%s'", safe );
-                    MessageBoxA( NULL, tmp, "GetCommandLineA", MB_OK | MB_ICONINFORMATION );
-                }
-            }
-        }
-        else
-        {
-            MessageBoxA( NULL, "Unable to fetch result from GetCommandLineA()", "GetCommandLineA", MB_OK | MB_ICONINFORMATION );
-        }
-    }
-#endif // REPLACEARGS_DEBUG
-
-    return worked;
-}
-#endif // _WIN32
-
-static std::vector<gchar *>
-sp_process_args(poptContext ctx)
-{
-    std::vector<gchar *> fl;
-
-    gint a;
-    while ((a = poptGetNextOpt(ctx)) != -1) {
-        switch (a) {
-            case SP_ARG_FILE: {
-                gchar const *fn = poptGetOptArg(ctx);
-                if (fn != nullptr) {
-                    fl.push_back(g_strdup(fn));
-                }
-                break;
-            }
-#ifdef WITH_YAML
-            case SP_ARG_XVERBS: {
-                gchar const *fn = poptGetOptArg(ctx);
-                if (fn != nullptr) {
-                    sp_xverbs_yaml = g_strdup(fn);
-                    Inkscape::CmdLineXAction::createActionsFromYAML((const char *)sp_xverbs_yaml);
-                }
-                break;
-            }
-#endif // WITH_YAML
-            case SP_ARG_VERSION: {
-                printf("Inkscape %s\n", Inkscape::version_string);
-                exit(0);
-                break;
-            }
-            case SP_ARG_EXTENSIONDIR: {
-                printf("%s\n", INKSCAPE_EXTENSIONDIR);
-                exit(0);
-                break;
-            }
-            case SP_ARG_VERB_LIST: {
-                // This really shouldn't go here, we should init the app.
-                // But, since we're just exiting in this path, there is
-                // no harm, and this is really a better place to put
-                // everything else.
-                Inkscape::Extension::init();
-                Inkscape::Verb::list();
-                exit(0);
-                break;
-            }
-            case SP_ARG_VERB:
-            case SP_ARG_SELECT: {
-                gchar const *arg = poptGetOptArg(ctx);
-                if (arg != nullptr) {
-                    // printf("Adding in: %s\n", arg);
-                    new Inkscape::CmdLineAction((a == SP_ARG_VERB), arg);
-                }
-                break;
-            }
-            case SP_ARG_CONVERT_DPI_METHOD: {
-                gchar const *arg = poptGetOptArg(ctx);
-                if (arg != nullptr) {
-                    if (!strcmp(arg,"none")) {
-                        sp_file_convert_dpi_method_commandline = FILE_DPI_UNCHANGED;
-                    } else if (!strcmp(arg,"scale-viewbox")) {
-                        sp_file_convert_dpi_method_commandline = FILE_DPI_VIEWBOX_SCALED;
-                    } else if (!strcmp(arg,"scale-document")) {
-                        sp_file_convert_dpi_method_commandline = FILE_DPI_DOCUMENT_SCALED;
-                    } else {
-                        g_warning("Invalid update option");
-                    }
-                }
-                break;
-            }
-            case POPT_ERROR_BADOPT: {
-                g_warning ("Invalid option %s", poptBadOption(ctx, 0));
-                exit(1);
-                break;
-            }
-            default: {
-                break;
-            }
-        }
-    }
-
-    gchar const ** const args = poptGetArgs(ctx);
-    if (args != nullptr) {
-        for (unsigned i = 0; args[i] != nullptr; i++) {
-            fl.push_back(g_strdup(args[i]));
-        }
-    }
-
-    return fl;
-}
-
-/**
- *  Print a message for the user to the terminal
- *
- *  If inkscape is run as part of a pipe all messages to standard output
- *  are redirected to standard error.
- *
- *  \param message Message to print.
- */
-
-static void do_print_message(const char *message, ...)
-{
-    va_list args;
-
-    va_start(args, message);
-    gchar *msg = g_strdup_vprintf(message, args);
-
-    if (sp_writingToPipe)
-        g_printerr("%s", msg);
-    else
-        g_print("%s", msg);
-
-    g_free(msg);
-    va_end(args);
-}
-
-/**
- *  Checks if a given filename is meant to be a pipe
- *
- *  In case it is a pipe the variable sp_writingToPipe is set.
- *
- *  \param filename Filename to check for a pipe.
- */
-
-static void detect_pipe_in_filename(const char *filename)
-{
-    if (g_strcmp0(filename, "-") == 0) {
-        sp_writingToPipe = TRUE;
-    }
-}
-
-/*
-  Local Variables:
-  mode:c++
-  c-file-style:"stroustrup"
-  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
-  indent-tabs-mode:nil
-  fill-column:99
-  End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :