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 WITH_GNOME_PRINT
29 # include "internal/gnome.h"
30 #endif
31 #ifdef WIN32
32 # include "internal/win32.h"
33 #endif
34 #include "internal/ps-out.h"
35 #include "internal/pov-out.h"
36 #include "internal/odf.h"
37 #include "internal/latex-pstricks-out.h"
38 #include "internal/latex-pstricks.h"
39 #include "internal/eps-out.h"
40 #include "internal/gdkpixbuf-input.h"
41 #include "internal/bluredge.h"
42 #include "internal/gimpgrad.h"
43 #include "internal/grid.h"
44 #include "prefs-utils.h"
45 #include "io/sys.h"
47 extern gboolean inkscape_app_use_gui( Inkscape::Application const *app );
49 namespace Inkscape {
50 namespace Extension {
52 /** This is the extention that all files are that are pulled from
53 the extension directory and parsed */
54 #define SP_MODULE_EXTENSION "inx"
56 static void build_module_from_dir(gchar const *dirname);
57 static void check_extensions();
59 /**
60 * \return none
61 * \brief Examines the given string preference and checks to see
62 * that at least one of the registered extensions matches
63 * it. If not, a default is assigned.
64 * \param pref_path Preference path to load
65 * \param pref_attr Attribute to load from the preference
66 * \param pref_default Default string to set
67 * \param extension_family List of extensions to search
68 */
69 static void
70 update_pref(gchar const *pref_path, gchar const *pref_attr,
71 gchar const *pref_default) // , GSList *extension_family)
72 {
73 gchar const *pref = prefs_get_string_attribute(pref_path,pref_attr);
74 /*
75 gboolean missing=TRUE;
76 for (GSList *list = extension_family; list; list = g_slist_next(list)) {
77 g_assert( list->data );
79 Inkscape::Extension *extension;
80 extension = reinterpret_cast<Inkscape::Extension *>(list->data);
82 if (!strcmp(extension->get_id(),pref)) missing=FALSE;
83 }
84 */
85 if (!Inkscape::Extension::db.get( pref ) /*missing*/) {
86 prefs_set_string_attribute(pref_path, pref_attr, pref_default);
87 }
88 }
90 /**
91 * Invokes the init routines for internal modules.
92 *
93 * This should be a list of all the internal modules that need to initialized. This is just a
94 * convinent place to put them. Also, this function calls build_module_from_dir to parse the
95 * Inkscape extensions directory.
96 */
97 void
98 init()
99 {
100 /* TODO: Change to Internal */
101 Internal::Svg::init();
102 Internal::Svgz::init();
103 Internal::PsOutput::init();
104 Internal::EpsOutput::init();
105 Internal::PrintPS::init();
106 #ifdef WITH_GNOME_PRINT
107 Internal::PrintGNOME::init();
108 #endif
109 #ifdef WIN32
110 Internal::PrintWin32::init();
111 #endif
112 Internal::PovOutput::init();
113 Internal::OdfOutput::init();
114 Internal::PrintLatex::init();
115 Internal::LatexOutput::init();
117 /* Effects */
118 Internal::BlurEdge::init();
119 Internal::GimpGrad::init();
120 Internal::Grid::init();
122 /* Load search path for extensions */
123 if (Inkscape::Extension::Extension::search_path.size() == 0)
124 {
125 Inkscape::Extension::Extension::search_path.push_back(profile_path("extensions"));
126 Inkscape::Extension::Extension::search_path.push_back(g_strdup(INKSCAPE_EXTENSIONDIR));
127 }
129 for (unsigned int i=0; i<Inkscape::Extension::Extension::search_path.size(); i++) {
130 build_module_from_dir(Inkscape::Extension::Extension::search_path[i]);
131 }
133 /* this is at the very end because it has several catch-alls
134 * that are possibly over-ridden by other extensions (such as
135 * svgz)
136 */
137 Internal::GdkpixbufInput::init();
139 /* now we need to check and make sure everyone is happy */
140 check_extensions();
142 /* This is a hack to deal with updating saved outdated module
143 * names in the prefs...
144 */
145 update_pref("dialogs.save_as", "default",
146 SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
147 // Inkscape::Extension::db.get_output_list()
148 );
149 }
151 /**
152 * \return none
153 * \brief This function parses a directory for files of SP_MODULE_EXTENSION
154 * type and loads them.
155 * \param dirname The directory that should be searched for modules
156 *
157 * Here is just a basic function that moves through a directory. It looks at every entry, and
158 * compares its filename with SP_MODULE_EXTENSION. Of those that pass, build_from_file is called
159 * with their filenames.
160 */
161 static void
162 build_module_from_dir(gchar const *dirname)
163 {
164 if (!dirname) {
165 g_warning(_("Null external module directory name. Modules will not be loaded."));
166 return;
167 }
169 if (!Glib::file_test(std::string(dirname), Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
170 return;
171 }
173 //# Hopefully doing this the Glib way is portable
175 GError *err;
176 GDir *directory = g_dir_open(dirname, 0, &err);
177 if (!directory) {
178 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
179 g_warning(_("Modules directory (%s) is unavailable. External modules in that directory will not be loaded."), safeDir);
180 g_free(safeDir);
181 return;
182 }
184 gchar *filename;
185 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
187 if (strlen(filename) < strlen(SP_MODULE_EXTENSION)) {
188 continue;
189 }
191 if (strcmp(SP_MODULE_EXTENSION, filename + (strlen(filename) - strlen(SP_MODULE_EXTENSION)))) {
192 continue;
193 }
195 gchar *pathname = g_strdup_printf("%s/%s", dirname, filename);
196 build_from_file(pathname);
197 g_free(pathname);
198 }
200 g_dir_close(directory);
201 }
204 static void
205 check_extensions_internal(Extension *in_plug, gpointer in_data)
206 {
207 int *count = (int *)in_data;
209 if (in_plug == NULL) return;
210 if (!in_plug->deactivated() && !in_plug->check()) {
211 in_plug->deactivate();
212 (*count)++;
213 }
214 }
216 static void
217 check_extensions()
218 {
219 int count = 1;
220 bool anyfail = false;
221 // int pass = 0;
223 Inkscape::Extension::Extension::error_file_open();
224 while (count != 0) {
225 // printf("Check extensions pass %d\n", pass++);
226 count = 0;
227 db.foreach(check_extensions_internal, (gpointer)&count);
228 if (count != 0) anyfail = true;
229 }
230 Inkscape::Extension::Extension::error_file_close();
231 }
233 } } /* namespace Inkscape::Extension */
236 /*
237 Local Variables:
238 mode:c++
239 c-file-style:"stroustrup"
240 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
241 indent-tabs-mode:nil
242 fill-column:99
243 End:
244 */
245 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :