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 #ifdef HAVE_POPPLER
47 # include "internal/pdfinput/pdf-input.h"
48 #endif
49 #ifdef HAVE_POPPLER_GLIB
50 # include "internal/pdf-input-cairo.h"
51 #endif
52 #include "internal/pov-out.h"
53 #include "internal/odf.h"
54 #include "internal/latex-pstricks-out.h"
55 #include "internal/latex-pstricks.h"
56 #include "internal/eps-out.h"
57 #include "internal/gdkpixbuf-input.h"
58 #include "internal/bluredge.h"
59 #include "internal/gimpgrad.h"
60 #include "internal/grid.h"
61 #include "internal/wpg-input.h"
62 #include "prefs-utils.h"
63 #include "io/sys.h"
65 extern gboolean inkscape_app_use_gui( Inkscape::Application const *app );
67 namespace Inkscape {
68 namespace Extension {
70 /** This is the extention that all files are that are pulled from
71 the extension directory and parsed */
72 #define SP_MODULE_EXTENSION "inx"
74 static void build_module_from_dir(gchar const *dirname);
75 static void check_extensions();
77 /**
78 * \return none
79 * \brief Examines the given string preference and checks to see
80 * that at least one of the registered extensions matches
81 * it. If not, a default is assigned.
82 * \param pref_path Preference path to load
83 * \param pref_attr Attribute to load from the preference
84 * \param pref_default Default string to set
85 * \param extension_family List of extensions to search
86 */
87 static void
88 update_pref(gchar const *pref_path, gchar const *pref_attr,
89 gchar const *pref_default) // , GSList *extension_family)
90 {
91 gchar const *pref = prefs_get_string_attribute(pref_path,pref_attr);
92 /*
93 gboolean missing=TRUE;
94 for (GSList *list = extension_family; list; list = g_slist_next(list)) {
95 g_assert( list->data );
97 Inkscape::Extension *extension;
98 extension = reinterpret_cast<Inkscape::Extension *>(list->data);
100 if (!strcmp(extension->get_id(),pref)) missing=FALSE;
101 }
102 */
103 if (!Inkscape::Extension::db.get( pref ) /*missing*/) {
104 prefs_set_string_attribute(pref_path, pref_attr, pref_default);
105 }
106 }
108 /**
109 * Invokes the init routines for internal modules.
110 *
111 * This should be a list of all the internal modules that need to initialized. This is just a
112 * convinent place to put them. Also, this function calls build_module_from_dir to parse the
113 * Inkscape extensions directory.
114 */
115 void
116 init()
117 {
118 /* TODO: Change to Internal */
119 Internal::Svg::init();
120 Internal::Svgz::init();
121 Internal::PsOutput::init();
122 Internal::EpsOutput::init();
123 Internal::PrintPS::init();
124 #ifdef HAVE_CAIRO_PDF
125 Internal::CairoPdfOutput::init();
126 Internal::PrintCairoPDF::init();
127 if (0) {
128 Internal::CairoRendererPdfOutput::init();
129 Internal::CairoRendererOutput::init();
130 }
131 Internal::CairoPsOutput::init();
132 #endif
133 #ifdef HAVE_POPPLER
134 // Internal::PdfInput::init();
135 #endif
136 #ifdef HAVE_POPPLER_GLIB
137 Internal::PdfInputCairo::init();
138 #endif
139 #ifdef WITH_GNOME_PRINT
140 Internal::PrintGNOME::init();
141 #endif
142 #ifdef WIN32
143 Internal::PrintWin32::init();
144 Internal::PrintEmfWin32::init();
145 Internal::EmfWin32::init();
146 #endif
147 Internal::PovOutput::init();
148 Internal::OdfOutput::init();
149 Internal::PrintLatex::init();
150 Internal::LatexOutput::init();
151 Internal::WpgInput::init();
153 /* Effects */
154 Internal::BlurEdge::init();
155 Internal::GimpGrad::init();
156 Internal::Grid::init();
158 /* Load search path for extensions */
159 if (Inkscape::Extension::Extension::search_path.size() == 0)
160 {
161 Inkscape::Extension::Extension::search_path.push_back(profile_path("extensions"));
162 Inkscape::Extension::Extension::search_path.push_back(g_strdup(INKSCAPE_EXTENSIONDIR));
163 }
165 for (unsigned int i=0; i<Inkscape::Extension::Extension::search_path.size(); i++) {
166 build_module_from_dir(Inkscape::Extension::Extension::search_path[i]);
167 }
169 /* this is at the very end because it has several catch-alls
170 * that are possibly over-ridden by other extensions (such as
171 * svgz)
172 */
173 Internal::GdkpixbufInput::init();
175 /* now we need to check and make sure everyone is happy */
176 check_extensions();
178 /* This is a hack to deal with updating saved outdated module
179 * names in the prefs...
180 */
181 update_pref("dialogs.save_as", "default",
182 SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
183 // Inkscape::Extension::db.get_output_list()
184 );
185 }
187 /**
188 * \return none
189 * \brief This function parses a directory for files of SP_MODULE_EXTENSION
190 * type and loads them.
191 * \param dirname The directory that should be searched for modules
192 *
193 * Here is just a basic function that moves through a directory. It looks at every entry, and
194 * compares its filename with SP_MODULE_EXTENSION. Of those that pass, build_from_file is called
195 * with their filenames.
196 */
197 static void
198 build_module_from_dir(gchar const *dirname)
199 {
200 if (!dirname) {
201 g_warning(_("Null external module directory name. Modules will not be loaded."));
202 return;
203 }
205 if (!Glib::file_test(std::string(dirname), Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
206 return;
207 }
209 //# Hopefully doing this the Glib way is portable
211 GError *err;
212 GDir *directory = g_dir_open(dirname, 0, &err);
213 if (!directory) {
214 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
215 g_warning(_("Modules directory (%s) is unavailable. External modules in that directory will not be loaded."), safeDir);
216 g_free(safeDir);
217 return;
218 }
220 gchar *filename;
221 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
223 if (strlen(filename) < strlen(SP_MODULE_EXTENSION)) {
224 continue;
225 }
227 if (strcmp(SP_MODULE_EXTENSION, filename + (strlen(filename) - strlen(SP_MODULE_EXTENSION)))) {
228 continue;
229 }
231 gchar *pathname = g_strdup_printf("%s/%s", dirname, filename);
232 build_from_file(pathname);
233 g_free(pathname);
234 }
236 g_dir_close(directory);
237 }
240 static void
241 check_extensions_internal(Extension *in_plug, gpointer in_data)
242 {
243 int *count = (int *)in_data;
245 if (in_plug == NULL) return;
246 if (!in_plug->deactivated() && !in_plug->check()) {
247 in_plug->deactivate();
248 (*count)++;
249 }
250 }
252 static void
253 check_extensions()
254 {
255 int count = 1;
256 bool anyfail = false;
257 // int pass = 0;
259 Inkscape::Extension::Extension::error_file_open();
260 while (count != 0) {
261 // printf("Check extensions pass %d\n", pass++);
262 count = 0;
263 db.foreach(check_extensions_internal, (gpointer)&count);
264 if (count != 0) anyfail = true;
265 }
266 Inkscape::Extension::Extension::error_file_close();
267 }
269 } } /* namespace Inkscape::Extension */
272 /*
273 Local Variables:
274 mode:c++
275 c-file-style:"stroustrup"
276 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
277 indent-tabs-mode:nil
278 fill-column:99
279 End:
280 */
281 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :