summaryrefslogtreecommitdiffstats
path: root/src/file.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/file.cpp')
-rw-r--r--src/file.cpp202
1 files changed, 1 insertions, 201 deletions
diff --git a/src/file.cpp b/src/file.cpp
index cdd76941f..633dc08ce 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -66,7 +66,7 @@
#include "application/editor.h"
#include "inkscape.h"
#include "uri.h"
-#include "extract-uri.h"
+#include "id-clash.h"
#ifdef WITH_GNOME_VFS
# include <libgnomevfs/gnome-vfs.h>
@@ -873,206 +873,6 @@ sp_file_save_a_copy(Gtk::Window &parentWindow, gpointer /*object*/, gpointer /*d
## I M P O R T
######################*/
-typedef enum { REF_HREF, REF_STYLE, REF_URL } ID_REF_TYPE;
-
-struct IdReference {
- ID_REF_TYPE type;
- SPObject *elem;
- const char *attr; // property or href-like attribute
-};
-
-typedef std::map<std::string, std::list<IdReference> > refmap_type;
-
-typedef std::pair<SPObject*, std::string> id_changeitem_type;
-typedef std::list<id_changeitem_type> id_changelist_type;
-
-const char *href_like_attributes[] = {
- "inkscape:href",
- "inkscape:path-effect",
- "inkscape:perspectiveID",
- "inkscape:tiled-clone-of",
- "xlink:href",
-};
-#define NUM_HREF_LIKE_ATTRIBUTES (sizeof(href_like_attributes) / sizeof(*href_like_attributes))
-
-const SPIPaint SPStyle::* SPIPaint_members[] = {
- &SPStyle::color,
- &SPStyle::fill,
- &SPStyle::stroke,
-};
-const char* SPIPaint_properties[] = {
- "color",
- "fill",
- "stroke",
-};
-#define NUM_SPIPAINT_PROPERTIES (sizeof(SPIPaint_properties) / sizeof(*SPIPaint_properties))
-
-const char* other_url_properties[] = {
- "clip-path",
- "color-profile",
- "cursor",
- "marker-end",
- "marker-mid",
- "marker-start",
- "mask",
-};
-#define NUM_OTHER_URL_PROPERTIES (sizeof(other_url_properties) / sizeof(*other_url_properties))
-
-/**
- * Build a table of places where ids are referenced, for a given element.
- * FIXME: There are some types of references not yet dealt with here
- * (e.g., ID selectors in CSS stylesheets).
- */
-static void
-find_references(SPObject *elem, refmap_type *refmap)
-{
- Inkscape::XML::Node *repr_elem = SP_OBJECT_REPR(elem);
- SPStyle *style = SP_OBJECT_STYLE(elem);
-
- /* check for xlink:href="#..." and similar */
- for (unsigned i = 0; i < NUM_HREF_LIKE_ATTRIBUTES; ++i) {
- const char *attr = href_like_attributes[i];
- const gchar *val = repr_elem->attribute(attr);
- if (val && val[0] == '#') {
- std::string id(val+1);
- IdReference idref = { REF_HREF, elem, attr };
- (*refmap)[id].push_back(idref);
- }
- }
-
- /* check for url(#...) references in 'fill' or 'stroke' */
- for (unsigned i = 0; i < NUM_SPIPAINT_PROPERTIES; ++i) {
- const SPIPaint SPStyle::*prop = SPIPaint_members[i];
- const SPIPaint *paint = &(style->*prop);
- if (paint->isPaintserver()) {
- const gchar *id = SP_OBJECT_ID(paint->value.href->getObject());
- IdReference idref = { REF_STYLE, elem, SPIPaint_properties[i] };
- (*refmap)[id].push_back(idref);
- }
- }
-
- /* check for url(#...) references in 'filter' */
- const SPIFilter *filter = &(style->filter);
- if (filter->href) {
- const gchar *id = SP_OBJECT_ID(filter->href->getObject());
- IdReference idref = { REF_STYLE, elem, "filter" };
- (*refmap)[id].push_back(idref);
- }
-
- /* check for other url(#...) references */
- for (unsigned i = 0; i < NUM_OTHER_URL_PROPERTIES; ++i) {
- const char *attr = other_url_properties[i];
- const gchar *value = repr_elem->attribute(attr);
- if (value) {
- const gchar *uri = extract_uri(value);
- if (uri && uri[0] == '#') {
- IdReference idref = { REF_URL, elem, attr };
- (*refmap)[uri+1].push_back(idref);
- }
- }
- }
-
- /* recurse */
- for (SPObject *child = sp_object_first_child(elem);
- child; child = SP_OBJECT_NEXT(child) )
- {
- find_references(child, refmap);
- }
-}
-
-/**
- * Change any ids that clash with ids in the current document, and make
- * a list of those changes that will require fixing up references.
- */
-static void
-change_clashing_ids(SPDocument *imported_doc, SPDocument *current_doc,
- SPObject *elem, const refmap_type *refmap,
- id_changelist_type *id_changes)
-{
- const gchar *id = SP_OBJECT_ID(elem);
-
- if (id && current_doc->getObjectById(id)) {
- // Choose a new id.
- // To try to preserve any meaningfulness that the original id
- // may have had, the new id is the old id followed by a hyphen
- // and one or more digits.
- std::string old_id(id);
- std::string new_id(old_id + '-');
- for (;;) {
- new_id += "0123456789"[std::rand() % 10];
- const char *str = new_id.c_str();
- if (current_doc->getObjectById(str) == NULL &&
- imported_doc->getObjectById(str) == NULL) break;
- }
- // Change to the new id
- SP_OBJECT_REPR(elem)->setAttribute("id", new_id.c_str());
- // Make a note of this change, if we need to fix up refs to it
- if (refmap->find(old_id) != refmap->end())
- id_changes->push_back(id_changeitem_type(elem, old_id));
- }
-
- /* recurse */
- for (SPObject *child = sp_object_first_child(elem);
- child; child = SP_OBJECT_NEXT(child) )
- {
- change_clashing_ids(imported_doc, current_doc, child, refmap, id_changes);
- }
-}
-
-/**
- * Fix up references to changed ids.
- */
-static void
-fix_up_refs(const refmap_type *refmap, const id_changelist_type &id_changes)
-{
- id_changelist_type::const_iterator pp;
- const id_changelist_type::const_iterator pp_end = id_changes.end();
- for (pp = id_changes.begin(); pp != pp_end; ++pp) {
- SPObject *obj = pp->first;
- refmap_type::const_iterator pos = refmap->find(pp->second);
- std::list<IdReference>::const_iterator it;
- const std::list<IdReference>::const_iterator it_end = pos->second.end();
- for (it = pos->second.begin(); it != it_end; ++it) {
- if (it->type == REF_HREF) {
- gchar *new_uri = g_strdup_printf("#%s", SP_OBJECT_ID(obj));
- SP_OBJECT_REPR(it->elem)->setAttribute(it->attr, new_uri);
- g_free(new_uri);
- }
- else if (it->type == REF_STYLE) {
- sp_style_set_property_url(it->elem, it->attr, obj, false);
- }
- else if (it->type == REF_URL) {
- gchar *url = g_strdup_printf("url(#%s)", SP_OBJECT_ID(obj));
- SP_OBJECT_REPR(it->elem)->setAttribute(it->attr, url);
- g_free(url);
- }
- else g_assert(0); // shouldn't happen
- }
- }
-}
-
-/**
- * This function resolves ID clashes between the document being imported
- * and the current open document: IDs in the imported document that would
- * clash with IDs in the existing document are changed, and references to
- * those IDs are updated accordingly.
- */
-void
-prevent_id_clashes(SPDocument *imported_doc, SPDocument *current_doc)
-{
- refmap_type *refmap = new refmap_type;
- id_changelist_type id_changes;
- SPObject *imported_root = SP_DOCUMENT_ROOT(imported_doc);
-
- find_references(imported_root, refmap);
- change_clashing_ids(imported_doc, current_doc, imported_root, refmap,
- &id_changes);
- fix_up_refs(refmap, id_changes);
-
- delete refmap;
-}
-
-
/**
* Import a resource. Called by sp_file_import()
*/
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 12:22:27 +0000