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 if (1) {
138 Internal::PdfInputCairo::init();
139 }
140 #endif
141 #ifdef WITH_GNOME_PRINT
142 Internal::PrintGNOME::init();
143 #endif
144 #ifdef WIN32
145 Internal::PrintWin32::init();
146 Internal::PrintEmfWin32::init();
147 Internal::EmfWin32::init();
148 #endif
149 Internal::PovOutput::init();
150 Internal::OdfOutput::init();
151 Internal::PrintLatex::init();
152 Internal::LatexOutput::init();
153 Internal::WpgInput::init();
155 /* Effects */
156 Internal::BlurEdge::init();
157 Internal::GimpGrad::init();
158 Internal::Grid::init();
160 /* Load search path for extensions */
161 if (Inkscape::Extension::Extension::search_path.size() == 0)
162 {
163 Inkscape::Extension::Extension::search_path.push_back(profile_path("extensions"));
164 Inkscape::Extension::Extension::search_path.push_back(g_strdup(INKSCAPE_EXTENSIONDIR));
165 }
167 for (unsigned int i=0; i<Inkscape::Extension::Extension::search_path.size(); i++) {
168 build_module_from_dir(Inkscape::Extension::Extension::search_path[i]);
169 }
171 /* this is at the very end because it has several catch-alls
172 * that are possibly over-ridden by other extensions (such as
173 * svgz)
174 */
175 Internal::GdkpixbufInput::init();
177 /* now we need to check and make sure everyone is happy */
178 check_extensions();
180 /* This is a hack to deal with updating saved outdated module
181 * names in the prefs...
182 */
183 update_pref("dialogs.save_as", "default",
184 SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
185 // Inkscape::Extension::db.get_output_list()
186 );
187 }
189 /**
190 * \return none
191 * \brief This function parses a directory for files of SP_MODULE_EXTENSION
192 * type and loads them.
193 * \param dirname The directory that should be searched for modules
194 *
195 * Here is just a basic function that moves through a directory. It looks at every entry, and
196 * compares its filename with SP_MODULE_EXTENSION. Of those that pass, build_from_file is called
197 * with their filenames.
198 */
199 static void
200 build_module_from_dir(gchar const *dirname)
201 {
202 if (!dirname) {
203 g_warning(_("Null external module directory name. Modules will not be loaded."));
204 return;
205 }
207 if (!Glib::file_test(std::string(dirname), Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
208 return;
209 }
211 //# Hopefully doing this the Glib way is portable
213 GError *err;
214 GDir *directory = g_dir_open(dirname, 0, &err);
215 if (!directory) {
216 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
217 g_warning(_("Modules directory (%s) is unavailable. External modules in that directory will not be loaded."), safeDir);
218 g_free(safeDir);
219 return;
220 }
222 gchar *filename;
223 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
225 if (strlen(filename) < strlen(SP_MODULE_EXTENSION)) {
226 continue;
227 }
229 if (strcmp(SP_MODULE_EXTENSION, filename + (strlen(filename) - strlen(SP_MODULE_EXTENSION)))) {
230 continue;
231 }
233 gchar *pathname = g_strdup_printf("%s/%s", dirname, filename);
234 build_from_file(pathname);
235 g_free(pathname);
236 }
238 g_dir_close(directory);
239 }
242 static void
243 check_extensions_internal(Extension *in_plug, gpointer in_data)
244 {
245 int *count = (int *)in_data;
247 if (in_plug == NULL) return;
248 if (!in_plug->deactivated() && !in_plug->check()) {
249 in_plug->deactivate();
250 (*count)++;
251 }
252 }
254 static void
255 check_extensions()
256 {
257 int count = 1;
258 bool anyfail = false;
259 // int pass = 0;
261 Inkscape::Extension::Extension::error_file_open();
262 while (count != 0) {
263 // printf("Check extensions pass %d\n", pass++);
264 count = 0;
265 db.foreach(check_extensions_internal, (gpointer)&count);
266 if (count != 0) anyfail = true;
267 }
268 Inkscape::Extension::Extension::error_file_close();
269 }
271 } } /* namespace Inkscape::Extension */
274 /*
275 Local Variables:
276 mode:c++
277 c-file-style:"stroustrup"
278 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
279 indent-tabs-mode:nil
280 fill-column:99
281 End:
282 */
283 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :