1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3 *
4 * gimp-help-lookup - a standalone gimp-help ID to filename mapper
5 * Copyright (C) 2004-2008 Sven Neumann <sven@gimp.org>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20
21 #include "config.h"
22
23 #include <stdlib.h>
24 #include <string.h>
25
26 #include "libgimp/gimp.h"
27
28 #include "gimphelp.h"
29
30
31 static void show_version (void) G_GNUC_NORETURN;
32
33 static gchar * lookup (const gchar *help_domain,
34 const gchar *help_locales,
35 const gchar *help_id);
36
37 static GimpHelpProgress * progress_new (void);
38
39
40 static const gchar *help_base = NULL;
41 static gchar *help_root = NULL;
42 static const gchar *help_locales = NULL;
43 static const gchar **help_ids = NULL;
44
45 static gboolean be_verbose = FALSE;
46
47
48 static const GOptionEntry entries[] =
49 {
50 { "version", 'v', 0,
51 G_OPTION_ARG_CALLBACK, (GOptionArgFunc) show_version,
52 "Show version information and exit", NULL
53 },
54 { "base", 'b', 0,
55 G_OPTION_ARG_STRING, &help_base,
56 "Specifies base URI", "URI"
57 },
58 { "root", 'r', 0,
59 G_OPTION_ARG_FILENAME, &help_root,
60 "Specifies root directory for index files", "DIR"
61 },
62 { "lang", 'l', 0,
63 G_OPTION_ARG_STRING, &help_locales,
64 "Specifies help language", "LANG"
65 },
66 {
67 "verbose", 0, 0,
68 G_OPTION_ARG_NONE, &be_verbose,
69 "Be more verbose", NULL
70 },
71 {
72 G_OPTION_REMAINING, 0, 0,
73 G_OPTION_ARG_STRING_ARRAY, &help_ids,
74 NULL, NULL
75 },
76 { NULL }
77 };
78
79
80 gint
main(gint argc,gchar * argv[])81 main (gint argc,
82 gchar *argv[])
83 {
84 GOptionContext *context;
85 gchar *uri;
86 GError *error = NULL;
87
88 help_base = g_getenv (GIMP_HELP_ENV_URI);
89 help_root = g_build_filename (gimp_data_directory (), GIMP_HELP_PREFIX, NULL);
90
91 context = g_option_context_new ("HELP-ID");
92 g_option_context_add_main_entries (context, entries, NULL);
93
94 if (! g_option_context_parse (context, &argc, &argv, &error))
95 {
96 g_print ("%s\n", error->message);
97 g_error_free (error);
98 return EXIT_FAILURE;
99 }
100
101 if (help_base)
102 uri = g_strdup (help_base);
103 else
104 uri = g_filename_to_uri (help_root, NULL, NULL);
105
106 gimp_help_register_domain (GIMP_HELP_DEFAULT_DOMAIN, uri);
107 g_free (uri);
108
109 uri = lookup (GIMP_HELP_DEFAULT_DOMAIN,
110 help_locales ? help_locales : GIMP_HELP_DEFAULT_LOCALE,
111 help_ids ? help_ids[0] : GIMP_HELP_DEFAULT_ID);
112
113 if (uri)
114 {
115 g_print ("%s\n", uri);
116 g_free (uri);
117 }
118
119 g_option_context_free (context);
120 g_free (help_root);
121
122 return uri ? EXIT_SUCCESS : EXIT_FAILURE;
123 }
124
125 static gchar *
lookup(const gchar * help_domain,const gchar * help_locales,const gchar * help_id)126 lookup (const gchar *help_domain,
127 const gchar *help_locales,
128 const gchar *help_id)
129 {
130 GimpHelpDomain *domain = gimp_help_lookup_domain (help_domain);
131
132 if (domain)
133 {
134 GimpHelpProgress *progress = progress_new ();
135 GList *locales;
136 gchar *full_uri;
137
138 locales = gimp_help_parse_locales (help_locales);
139 full_uri = gimp_help_domain_map (domain, locales, help_id, progress,
140 NULL, NULL);
141
142 gimp_help_progress_free (progress);
143
144 g_list_free_full (locales, (GDestroyNotify) g_free);
145
146 return full_uri;
147 }
148
149 return NULL;
150 }
151
152 static void
show_version(void)153 show_version (void)
154 {
155 g_print ("gimp-help-lookup version %s\n", GIMP_VERSION);
156 exit (EXIT_SUCCESS);
157 }
158
159
160 static void
progress_start(const gchar * message,gboolean cancelable,gpointer user_data)161 progress_start (const gchar *message,
162 gboolean cancelable,
163 gpointer user_data)
164 {
165 if (be_verbose)
166 g_printerr ("\n%s\n", message);
167 }
168
169 static void
progress_end(gpointer user_data)170 progress_end (gpointer user_data)
171 {
172 if (be_verbose)
173 g_printerr ("done\n");
174 }
175
176 static void
progress_set_value(gdouble percentage,gpointer user_data)177 progress_set_value (gdouble percentage,
178 gpointer user_data)
179 {
180 if (be_verbose)
181 g_printerr (".");
182 }
183
184 static GimpHelpProgress *
progress_new(void)185 progress_new (void)
186 {
187 const GimpHelpProgressVTable vtable =
188 {
189 progress_start,
190 progress_end,
191 progress_set_value
192 };
193
194 return gimp_help_progress_new (&vtable, NULL);
195 }
196