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 #include "internal/pdf.h"
29 #ifdef WITH_GNOME_PRINT
30 # include "internal/gnome.h"
31 #endif
32 #ifdef WIN32
33 # include "internal/win32.h"
34 #endif
35 #include "internal/ps-out.h"
36 #include "internal/pdf-out.h"
37 #include "internal/pov-out.h"
38 #include "internal/odf.h"
39 #include "internal/latex-pstricks-out.h"
40 #include "internal/latex-pstricks.h"
41 #include "internal/eps-out.h"
42 #include "internal/gdkpixbuf-input.h"
43 #include "internal/bluredge.h"
44 #include "internal/gimpgrad.h"
45 #include "internal/grid.h"
46 #include "prefs-utils.h"
47 #include "io/sys.h"
49 extern gboolean inkscape_app_use_gui( Inkscape::Application const *app );
51 namespace Inkscape {
52 namespace Extension {
54 /** This is the extention that all files are that are pulled from
55 the extension directory and parsed */
56 #define SP_MODULE_EXTENSION "inx"
58 static void build_module_from_dir(gchar const *dirname);
59 static void check_extensions();
61 /**
62 * \return none
63 * \brief Examines the given string preference and checks to see
64 * that at least one of the registered extensions matches
65 * it. If not, a default is assigned.
66 * \param pref_path Preference path to load
67 * \param pref_attr Attribute to load from the preference
68 * \param pref_default Default string to set
69 * \param extension_family List of extensions to search
70 */
71 static void
72 update_pref(gchar const *pref_path, gchar const *pref_attr,
73 gchar const *pref_default) // , GSList *extension_family)
74 {
75 gchar const *pref = prefs_get_string_attribute(pref_path,pref_attr);
76 /*
77 gboolean missing=TRUE;
78 for (GSList *list = extension_family; list; list = g_slist_next(list)) {
79 g_assert( list->data );
81 Inkscape::Extension *extension;
82 extension = reinterpret_cast<Inkscape::Extension *>(list->data);
84 if (!strcmp(extension->get_id(),pref)) missing=FALSE;
85 }
86 */
87 if (!Inkscape::Extension::db.get( pref ) /*missing*/) {
88 prefs_set_string_attribute(pref_path, pref_attr, pref_default);
89 }
90 }
92 /**
93 * Invokes the init routines for internal modules.
94 *
95 * This should be a list of all the internal modules that need to initialized. This is just a
96 * convinent place to put them. Also, this function calls build_module_from_dir to parse the
97 * Inkscape extensions directory.
98 */
99 void
100 init()
101 {
102 /* TODO: Change to Internal */
103 Internal::Svg::init();
104 Internal::Svgz::init();
105 Internal::PsOutput::init();
106 Internal::EpsOutput::init();
107 Internal::PrintPS::init();
108 Internal::PdfOutput::init();
109 Internal::PrintPDF::init();
110 #ifdef WITH_GNOME_PRINT
111 Internal::PrintGNOME::init();
112 #endif
113 #ifdef WIN32
114 Internal::PrintWin32::init();
115 #endif
116 Internal::PovOutput::init();
117 Internal::OdfOutput::init();
118 Internal::PrintLatex::init();
119 Internal::LatexOutput::init();
121 /* Effects */
122 Internal::BlurEdge::init();
123 Internal::GimpGrad::init();
124 Internal::Grid::init();
126 /* Load search path for extensions */
127 if (Inkscape::Extension::Extension::search_path.size() == 0)
128 {
129 Inkscape::Extension::Extension::search_path.push_back(profile_path("extensions"));
130 Inkscape::Extension::Extension::search_path.push_back(g_strdup(INKSCAPE_EXTENSIONDIR));
131 }
133 for (unsigned int i=0; i<Inkscape::Extension::Extension::search_path.size(); i++) {
134 build_module_from_dir(Inkscape::Extension::Extension::search_path[i]);
135 }
137 /* this is at the very end because it has several catch-alls
138 * that are possibly over-ridden by other extensions (such as
139 * svgz)
140 */
141 Internal::GdkpixbufInput::init();
143 /* now we need to check and make sure everyone is happy */
144 check_extensions();
146 /* This is a hack to deal with updating saved outdated module
147 * names in the prefs...
148 */
149 update_pref("dialogs.save_as", "default",
150 SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
151 // Inkscape::Extension::db.get_output_list()
152 );
153 }
155 /**
156 * \return none
157 * \brief This function parses a directory for files of SP_MODULE_EXTENSION
158 * type and loads them.
159 * \param dirname The directory that should be searched for modules
160 *
161 * Here is just a basic function that moves through a directory. It looks at every entry, and
162 * compares its filename with SP_MODULE_EXTENSION. Of those that pass, build_from_file is called
163 * with their filenames.
164 */
165 static void
166 build_module_from_dir(gchar const *dirname)
167 {
168 if (!dirname) {
169 g_warning(_("Null external module directory name. Modules will not be loaded."));
170 return;
171 }
173 if (!Glib::file_test(std::string(dirname), Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
174 return;
175 }
177 //# Hopefully doing this the Glib way is portable
179 GError *err;
180 GDir *directory = g_dir_open(dirname, 0, &err);
181 if (!directory) {
182 gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
183 g_warning(_("Modules directory (%s) is unavailable. External modules in that directory will not be loaded."), safeDir);
184 g_free(safeDir);
185 return;
186 }
188 gchar *filename;
189 while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
191 if (strlen(filename) < strlen(SP_MODULE_EXTENSION)) {
192 continue;
193 }
195 if (strcmp(SP_MODULE_EXTENSION, filename + (strlen(filename) - strlen(SP_MODULE_EXTENSION)))) {
196 continue;
197 }
199 gchar *pathname = g_strdup_printf("%s/%s", dirname, filename);
200 build_from_file(pathname);
201 g_free(pathname);
202 }
204 g_dir_close(directory);
205 }
208 static void
209 check_extensions_internal(Extension *in_plug, gpointer in_data)
210 {
211 int *count = (int *)in_data;
213 if (in_plug == NULL) return;
214 if (!in_plug->deactivated() && !in_plug->check()) {
215 in_plug->deactivate();
216 (*count)++;
217 }
218 }
220 static void
221 check_extensions()
222 {
223 int count = 1;
224 bool anyfail = false;
225 // int pass = 0;
227 Inkscape::Extension::Extension::error_file_open();
228 while (count != 0) {
229 // printf("Check extensions pass %d\n", pass++);
230 count = 0;
231 db.foreach(check_extensions_internal, (gpointer)&count);
232 if (count != 0) anyfail = true;
233 }
234 Inkscape::Extension::Extension::error_file_close();
235 }
237 } } /* namespace Inkscape::Extension */
240 /*
241 Local Variables:
242 mode:c++
243 c-file-style:"stroustrup"
244 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
245 indent-tabs-mode:nil
246 fill-column:99
247 End:
248 */
249 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :