1 /*
2 * This is what gets executed to initialize all of the modules. For
3 * the internal modules this invovles executing their initialization
4 * functions, for external ones it involves reading their .spmodule
5 * files and bringing them into Sodipodi.
6 *
7 * Authors:
8 * Ted Gould <ted@gould.cx>
9 *
10 * Copyright (C) 2002-2004 Authors
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information
13 */
15 #ifdef HAVE_CONFIG_H
16 # include "config.h"
17 #endif
18 #include "path-prefix.h"
21 #include "inkscape.h"
22 #include <glibmm/i18n.h>
24 #include "system.h"
25 #include "db.h"
26 #include "internal/svgz.h"
27 #include "internal/ps.h"
28 #ifdef HAVE_CAIRO_PDF
29 # include "internal/pdf-cairo.h"
30 #endif
31 #ifdef WITH_GNOME_PRINT
32 # include "internal/gnome.h"
33 #endif
34 #ifdef WIN32
35 # include "internal/win32.h"
36 # include "internal/emf-win32-inout.h"
37 # include "internal/emf-win32-print.h"
38 #endif
39 #include "internal/ps-out.h"
40 #ifdef HAVE_CAIRO_PDF
41 # include "internal/cairo-pdf-out.h"
42 # include "internal/cairo-renderer-pdf-out.h"
43 # include "internal/cairo-png-out.h"
44 # include "internal/cairo-ps-out.h"
45 #endif
46 #include "internal/pdf-input-cairo.h"
47 #include "internal/pov-out.h"
48 #include "internal/odf.h"
49 #include "internal/latex-pstricks-out.h"
50 #include "internal/latex-pstricks.h"
51 #include "internal/eps-out.h"
52 #include "internal/gdkpixbuf-input.h"
53 #include "internal/bluredge.h"
54 #include "internal/gimpgrad.h"
55 #include "internal/grid.h"
56 #include "internal/wpg-input.h"
57 #include "prefs-utils.h"
58 #include "io/sys.h"
60 extern gboolean inkscape_app_use_gui( Inkscape::Application const *app );
62 namespace Inkscape {
63 namespace Extension {
65 /** This is the extention that all files are that are pulled from
66 the extension directory and parsed */
67 #define SP_MODULE_EXTENSION "inx"
69 static void build_module_from_dir(gchar const *dirname);
70 static void check_extensions();
72 /**
73 * \return none
74 * \brief Examines the given string preference and checks to see
75 * that at least one of the registered extensions matches
76 * it. If not, a default is assigned.
77 * \param pref_path Preference path to load
78 * \param pref_attr Attribute to load from the preference
79 * \param pref_default Default string to set
80 * \param extension_family List of extensions to search
81 */
82 static void
83 update_pref(gchar const *pref_path, gchar const *pref_attr,
84 gchar const *pref_default) // , GSList *extension_family)
85 {
86 gchar const *pref = prefs_get_string_attribute(pref_path,pref_attr);
87 /*
88 gboolean missing=TRUE;
89 for (GSList *list = extension_family; list; list = g_slist_next(list)) {
90 g_assert( list->data );
92 Inkscape::Extension *extension;
93 extension = reinterpret_cast<Inkscape::Extension *>(list->data);
95 if (!strcmp(extension->get_id(),pref)) missing=FALSE;
96 }
97 */
98 if (!Inkscape::Extension::db.get( pref ) /*missing*/) {
99 prefs_set_string_attribute(pref_path, pref_attr, pref_default);
100 }
101 }
103 /**
104 * Invokes the init routines for internal modules.
105 *
106 * This should be a list of all the internal modules that need to initialized. This is just a
107 * convinent place to put them. Also, this function calls build_module_from_dir to parse the
108 * Inkscape extensions directory.
109 */
110 void
111 init()
112 {
113 /* TODO: Change to Internal */
114 Internal::Svg::init();
115 Internal::Svgz::init();
116 Internal::PsOutput::init();
117 Internal::EpsOutput::init();
118 Internal::PrintPS::init();
119 #ifdef HAVE_CAIRO_PDF
120 Internal::CairoPdfOutput::init();
121 Internal::PrintCairoPDF::init();
122 if (0) {
123 Internal::CairoRendererPdfOutput::init();
124 Internal::CairoRendererOutput::init();
125 }
126 Internal::CairoPsOutput::init();
127 #endif
128 Internal::PdfInputCairo::init();
129 #ifdef WITH_GNOME_PRINT
130 Internal::PrintGNOME::init();
131 #endif
132 #ifdef WIN32
133 Internal::PrintWin32::init();
134 Internal::PrintEmfWin32::init();
135 Internal::EmfWin32::init();
136 #endif
137 Internal::PovOutput::init();
138 Internal::OdfOutput::init();
139 Internal::PrintLatex::init();
140 Internal::LatexOutput::init();
141 Internal::WpgInput::init();
143 /* Effects */
144 Internal::BlurEdge::init();
145 Internal::GimpGrad::init();
146 Internal::Grid::init();
148 /* Load search path for extensions */
149 if (Inkscape::Extension::Extension::search_path.size() == 0)
150 {
151 Inkscape::Extension::Extension::search_path.push_back(profile_path("extensions"));
152 Inkscape::Extension::Extension::search_path.push_back(g_strdup(INKSCAPE_EXTENSIONDIR));
153 }
155 for (unsigned int i=0; i<Inkscape::Extension::Extension::search_path.size(); i++) {
156 build_module_from_dir(Inkscape::Extension::Extension::search_path[i]);
157 }
159 /* this is at the very end because it has several catch-alls
160 * that are possibly over-ridden by other extensions (such as
161 * svgz)
162 */
163 Internal::GdkpixbufInput::init();
165 /* now we need to check and make sure everyone is happy */
166 check_extensions();
168 /* This is a hack to deal with updating saved outdated module
169 * names in the prefs...
170 */
171 update_pref("dialogs.save_as", "default",
172 SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
173 // Inkscape::Extension::db.get_output_list()
174 );
175 }
177 /**
178 * \return none
179 * \brief This function parses a directory for files of SP_MODULE_EXTENSION
180 * type and loads them.
181 * \param dirname The directory that should be searched for modules
182 *
183 * Here is just a basic function that moves through a directory. It looks at every entry, and
184 * compares its filename with SP_MODULE_EXTENSION. Of those that pass, build_from_file is called
185 * with their filenames.
186 */
187 static void
188 build_module_from_dir(gchar const *dirname)
189 {
190 if (!dirname) {
191 g_warning(_("Null external module directory name. Modules will not be loaded."));
192 return;
193 }
195 if (!Glib::file_test(std::string(dirname), Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
196 return;
197 }
199 //# Hopefully doing this the Glib way is portable
201 GError *err;
202 GDir *directory = g_dir_open(dirname, 0, &err);
203 if (!directory) {
204 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
205 g_warning(_("Modules directory (%s) is unavailable. External modules in that directory will not be loaded."), safeDir);
206 g_free(safeDir);
207 return;
208 }
210 gchar *filename;
211 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
213 if (strlen(filename) < strlen(SP_MODULE_EXTENSION)) {
214 continue;
215 }
217 if (strcmp(SP_MODULE_EXTENSION, filename + (strlen(filename) - strlen(SP_MODULE_EXTENSION)))) {
218 continue;
219 }
221 gchar *pathname = g_strdup_printf("%s/%s", dirname, filename);
222 build_from_file(pathname);
223 g_free(pathname);
224 }
226 g_dir_close(directory);
227 }
230 static void
231 check_extensions_internal(Extension *in_plug, gpointer in_data)
232 {
233 int *count = (int *)in_data;
235 if (in_plug == NULL) return;
236 if (!in_plug->deactivated() && !in_plug->check()) {
237 in_plug->deactivate();
238 (*count)++;
239 }
240 }
242 static void
243 check_extensions()
244 {
245 int count = 1;
246 bool anyfail = false;
247 // int pass = 0;
249 Inkscape::Extension::Extension::error_file_open();
250 while (count != 0) {
251 // printf("Check extensions pass %d\n", pass++);
252 count = 0;
253 db.foreach(check_extensions_internal, (gpointer)&count);
254 if (count != 0) anyfail = true;
255 }
256 Inkscape::Extension::Extension::error_file_close();
257 }
259 } } /* namespace Inkscape::Extension */
262 /*
263 Local Variables:
264 mode:c++
265 c-file-style:"stroustrup"
266 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
267 indent-tabs-mode:nil
268 fill-column:99
269 End:
270 */
271 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :