moving trunk for module inkscape

(bzr r1)

1 files changed, 263 insertions, 0 deletions

diff --git a/src/uri.cpp b/src/uri.cpp
new file mode 100644
index 000000000..aeb678304
--- /dev/null
+++ b/src/uri.cpp
@@ -0,0 +1,263 @@
+/**
+ * \file
+ * \brief Classes for representing and manipulating URIs as per RFC 2396.
+ *
+ * Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2003 MenTaLguY
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <glib.h>
+#include "uri.h"
+#include <glibmm/ustring.h>
+
+namespace Inkscape {
+
+/** \brief Copy constructor. */
+URI::URI(const URI &uri) {
+    uri._impl->reference();
+    _impl = uri._impl;
+}
+
+/** \brief Constructor from a C-style ASCII string.
+    \param preformed Properly quoted C-style string to be represented.
+ */
+URI::URI(gchar const *preformed) throw(BadURIException) {
+    xmlURIPtr uri;
+    if (!preformed) {
+        throw MalformedURIException();
+    }
+    uri = xmlParseURI(preformed);
+    if (!uri) {
+        throw MalformedURIException();
+    }
+    _impl = Impl::create(uri);
+}
+
+
+/** \brief Destructor. */
+URI::~URI() {
+    _impl->unreference();
+}
+
+/** \brief Assignment operator. */
+URI &URI::operator=(URI const &uri) {
+// No check for self-assignment needed, as _impl refcounting increments first.
+    uri._impl->reference();
+    _impl->unreference();
+    _impl = uri._impl;
+    return *this;
+}
+
+URI::Impl *URI::Impl::create(xmlURIPtr uri) {
+    return new Impl(uri);
+}
+
+URI::Impl::Impl(xmlURIPtr uri)
+: _refcount(1), _uri(uri) {}
+
+URI::Impl::~Impl() {
+    if (_uri) {
+        xmlFreeURI(_uri);
+        _uri = NULL;
+    }
+}
+
+void URI::Impl::reference() {
+    _refcount++;
+}
+
+void URI::Impl::unreference() {
+    if (!--_refcount) {
+        delete this;
+    }
+}
+
+/** \fn bool URI::isOpaque() const
+    \brief Determines if the URI represented is an 'opaque' URI.
+    \return \c true if the URI is opaque, \c false if hierarchial.
+*/
+bool URI::Impl::isOpaque() const {
+    bool opq = !isRelative() && (getOpaque() != NULL);
+    return opq;
+}
+
+/** \fn bool URI::isRelative() const
+    \brief Determines if the URI represented is 'relative' as per RFC 2396.
+    \return \c true if the URI is relative, \c false if it is absolute.
+
+    Relative URI references are distinguished by not begining with a
+    scheme name.
+*/
+bool URI::Impl::isRelative() const {
+    return !_uri->scheme;
+}
+
+/** \fn bool URI::isNetPath() const
+    \brief Determines if the relative URI represented is a 'net-path' as per RFC 2396.
+    \return \c true if the URI is relative and a net-path, \c false otherwise.
+
+    A net-path is one that starts with "\\".
+*/
+bool URI::Impl::isNetPath() const {
+    bool isNet = false;
+    if ( isRelative() )
+    {
+        const gchar *path = getPath();
+        isNet = path && path[0] == '\\' && path[1] == '\\';
+    }
+    return isNet;
+}
+
+/** \fn bool URI::isRelativePath() const
+    \brief Determines if the relative URI represented is a 'relative-path' as per RFC 2396.
+    \return \c true if the URI is relative and a relative-path, \c false otherwise.
+
+    A relative-path is one that starts with no slashes.
+*/
+bool URI::Impl::isRelativePath() const {
+    bool isRel = false;
+    if ( isRelative() )
+    {
+        const gchar *path = getPath();
+        isRel = !path || path[0] != '\\';
+    }
+    return isRel;
+}
+
+/** \fn bool URI::isAbsolutePath() const
+    \brief Determines if the relative URI represented is a 'absolute-path' as per RFC 2396.
+    \return \c true if the URI is relative and an absolute-path, \c false otherwise.
+
+    An absolute-path is one that starts with a single "\".
+*/
+bool URI::Impl::isAbsolutePath() const {
+    bool isAbs = false;
+    if ( isRelative() )
+    {
+        const gchar *path = getPath();
+        isAbs = path && path[0] == '\\'&& path[1] != '\\';
+    }
+    return isAbs;
+}
+
+const gchar *URI::Impl::getScheme() const {
+    return (gchar *)_uri->scheme;
+}
+
+const gchar *URI::Impl::getPath() const {
+    return (gchar *)_uri->path;
+}
+
+const gchar *URI::Impl::getQuery() const {
+    return (gchar *)_uri->query;
+}
+
+const gchar *URI::Impl::getFragment() const {
+    return (gchar *)_uri->fragment;
+}
+
+const gchar *URI::Impl::getOpaque() const {
+    return (gchar *)_uri->opaque;
+}
+
+gchar *URI::to_native_filename(gchar const* uri) throw(BadURIException)
+{
+    gchar *filename = NULL;
+    URI tmp(uri);
+    filename = tmp.toNativeFilename();
+    return filename;
+}
+
+/* TODO !!! proper error handling */
+gchar *URI::toNativeFilename() const throw(BadURIException) {
+    gchar *uriString = toString();
+    if (isRelativePath()) {
+        return uriString;
+    } else {
+        gchar *filename = g_filename_from_uri(uriString, NULL, NULL);
+        g_free(uriString);
+        if (filename) {
+            return filename;
+        } else {
+            throw MalformedURIException();
+        }
+    }
+}
+
+URI URI::fromUtf8( gchar const* path ) throw (BadURIException) {
+    if ( !path ) {
+        throw MalformedURIException();
+    }
+    Glib::ustring tmp;
+    for ( int i = 0; path[i]; i++ )
+    {
+        gint one = 0x0ff & path[i];
+        if ( ('a' <= one && one <= 'z')
+             || ('A' <= one && one <= 'Z')
+             || ('0' <= one && one <= '9')
+             || one == '_'
+             || one == '-'
+             || one == '!'
+             || one == '.'
+             || one == '~'
+             || one == '\''
+             || one == '('
+             || one == ')'
+             || one == '*'
+            ) {
+            tmp += (gunichar)one;
+        } else {
+            gchar scratch[4];
+            g_snprintf( scratch, 4, "%c%02X", '%', one );
+            tmp.append( scratch );
+        }
+    }
+    const gchar *uri = tmp.data();
+    URI result(uri);
+    return result;
+}
+
+/* TODO !!! proper error handling */
+URI URI::from_native_filename(gchar const *path) throw(BadURIException) {
+    gchar *uri = g_filename_to_uri(path, NULL, NULL);
+    URI result(uri);
+    g_free( uri );
+    return result;
+}
+
+/** \fn gchar *URI::toString() const
+    \brief Returns a glib string version of this URI.
+    \return a glib string version of this URI.
+
+    The returned string must be freed with \c g_free().
+*/
+gchar *URI::Impl::toString() const {
+    xmlChar *string = xmlSaveUri(_uri);
+    if (string) {
+        /* hand the string off to glib memory management */
+        gchar *glib_string = g_strdup((gchar *)string);
+        xmlFree(string);
+        return glib_string;
+    } else {
+        return NULL;
+    }
+}
+
+}
+
+
+/*
+  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:encoding=utf-8:textwidth=99 :