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/* GTK+
* querymodules.c:
*
* Copyright (C) 2000-2010 Red Hat Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <glib.h>
#include <glib/gprintf.h>
#include <gmodule.h>
#include <errno.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef USE_LA_MODULES
#define SOEXT ".la"
#else
#define SOEXT ("." G_MODULE_SUFFIX)
#endif
#include "gtk/gtkrc.h"
#include "gtk/gtkimmodule.h"
#include "gtk/gtkversion.h"
static void
escape_string (GString *contents, const char *str)
{
while (TRUE)
{
char c = *str++;
switch (c)
{
case '\0':
goto done;
case '\n':
g_string_append (contents, "\\n");
break;
case '\"':
g_string_append (contents, "\\\"");
break;
#ifdef G_OS_WIN32
/* Replace backslashes in path with forward slashes, so that
* it reads in without problems.
*/
case '\\':
g_string_append (contents, "/");
break;
#endif
default:
g_string_append_c (contents, c);
}
}
done:;
}
static void
print_escaped (GString *contents, const char *str)
{
g_string_append_c (contents, '"');
escape_string (contents, str);
g_string_append_c (contents, '"');
g_string_append_c (contents, ' ');
}
static gboolean
query_module (const char *dir, const char *name, GString *contents)
{
void (*list) (const GtkIMContextInfo ***contexts,
guint *n_contexts);
void (*init) (GTypeModule *type_module);
void (*exit) (void);
GtkIMContext *(*create) (const gchar *context_id);
gpointer list_ptr;
gpointer init_ptr;
gpointer exit_ptr;
gpointer create_ptr;
GModule *module;
gchar *path;
gboolean error = FALSE;
if (g_path_is_absolute (name))
path = g_strdup (name);
else
path = g_build_filename (dir, name, NULL);
module = g_module_open (path, 0);
if (!module)
{
g_fprintf (stderr, "Cannot load module %s: %s\n", path, g_module_error());
error = TRUE;
}
if (module &&
g_module_symbol (module, "im_module_list", &list_ptr) &&
g_module_symbol (module, "im_module_init", &init_ptr) &&
g_module_symbol (module, "im_module_exit", &exit_ptr) &&
g_module_symbol (module, "im_module_create", &create_ptr))
{
const GtkIMContextInfo **contexts;
guint n_contexts;
int i;
list = list_ptr;
init = init_ptr;
exit = exit_ptr;
create = create_ptr;
print_escaped (contents, path);
g_string_append_c (contents, '\n');
(*list) (&contexts, &n_contexts);
for (i = 0; i < n_contexts; i++)
{
print_escaped (contents, contexts[i]->context_id);
print_escaped (contents, contexts[i]->context_name);
print_escaped (contents, contexts[i]->domain);
print_escaped (contents, contexts[i]->domain_dirname);
print_escaped (contents, contexts[i]->default_locales);
g_string_append_c (contents, '\n');
}
g_string_append_c (contents, '\n');
}
else
{
g_fprintf (stderr, "%s does not export GTK+ IM module API: %s\n", path,
g_module_error ());
error = TRUE;
}
g_free (path);
if (module)
g_module_close (module);
return error;
}
int main (int argc, char **argv)
{
char *cwd;
int i;
char *path;
gboolean error = FALSE;
gchar *cache_file = NULL;
gint first_file = 1;
GString *contents;
if (argc > 1 && strcmp (argv[1], "--update-cache") == 0)
{
cache_file = gtk_rc_get_im_module_file ();
first_file = 2;
}
contents = g_string_new ("");
g_string_append_printf (contents,
"# GTK+ Input Method Modules file\n"
"# Automatically generated file, do not edit\n"
"# Created by %s from gtk+-%d.%d.%d\n"
"#\n",
argv[0],
GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
if (argc == first_file) /* No file arguments given */
{
char **dirs;
int i;
GHashTable *dirs_done;
path = gtk_rc_get_im_module_path ();
g_string_append_printf (contents, "# ModulesPath = %s\n#\n", path);
dirs = pango_split_file_list (path);
dirs_done = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
for (i = 0; dirs[i]; i++)
if (!g_hash_table_lookup (dirs_done, dirs[i]))
{
GDir *dir = g_dir_open (dirs[i], 0, NULL);
if (dir)
{
const char *dent;
while ((dent = g_dir_read_name (dir)))
{
if (g_str_has_suffix (dent, SOEXT))
error |= query_module (dirs[i], dent, contents);
}
g_dir_close (dir);
}
g_hash_table_insert (dirs_done, dirs[i], GUINT_TO_POINTER (TRUE));
}
g_hash_table_destroy (dirs_done);
}
else
{
cwd = g_get_current_dir ();
for (i = first_file; i < argc; i++)
error |= query_module (cwd, argv[i], contents);
g_free (cwd);
}
if (!error)
{
if (cache_file)
{
GError *err;
err = NULL;
if (!g_file_set_contents (cache_file, contents->str, -1, &err))
{
g_fprintf (stderr, "%s\n", err->message);
error = 1;
}
}
else
g_print ("%s\n", contents->str);
}
return error ? 1 : 0;
}
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