--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/glib/libglib/src/goption.c Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,1817 @@
+/* goption.c - Option parser
+ *
+ * Copyright (C) 1999, 2003 Red Hat Software
+ * Copyright (C) 2004 Anders Carlsson <andersca@gnome.org>
+ * Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ *
+ * 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 "goption.h"
+#include "glib.h"
+#include "glibintl.h"
+
+#include "galias.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#ifdef __SYMBIAN32__
+#include <glib_wsd.h>
+#endif
+
+#define TRANSLATE(group, str) (((group)->translate_func ? (* (group)->translate_func) ((str), (group)->translate_data) : (str)))
+
+#define NO_ARG(entry) ((entry)->arg == G_OPTION_ARG_NONE || \
+ ((entry)->arg == G_OPTION_ARG_CALLBACK && \
+ ((entry)->flags & G_OPTION_FLAG_NO_ARG)))
+
+#define OPTIONAL_ARG(entry) ((entry)->arg == G_OPTION_ARG_CALLBACK && \
+ (entry)->flags & G_OPTION_FLAG_OPTIONAL_ARG)
+
+typedef struct
+{
+ GOptionArg arg_type;
+ gpointer arg_data;
+ union
+ {
+ gboolean bool;
+ gint integer;
+ gchar *str;
+ gchar **array;
+ } prev;
+ union
+ {
+ gchar *str;
+ struct
+ {
+ gint len;
+ gchar **data;
+ } array;
+ } allocated;
+} Change;
+
+typedef struct
+{
+ gchar **ptr;
+ gchar *value;
+} PendingNull;
+
+struct _GOptionContext
+{
+ GList *groups;
+
+ gchar *parameter_string;
+
+ gboolean help_enabled;
+ gboolean ignore_unknown;
+
+ GOptionGroup *main_group;
+
+ /* We keep a list of change so we can revert them */
+ GList *changes;
+
+ /* We also keep track of all argv elements that should be NULLed or
+ * modified.
+ */
+ GList *pending_nulls;
+};
+
+struct _GOptionGroup
+{
+ gchar *name;
+ gchar *description;
+ gchar *help_description;
+
+ GDestroyNotify destroy_notify;
+ gpointer user_data;
+
+ GTranslateFunc translate_func;
+ GDestroyNotify translate_notify;
+ gpointer translate_data;
+
+ GOptionEntry *entries;
+ gint n_entries;
+
+ GOptionParseFunc pre_parse_func;
+ GOptionParseFunc post_parse_func;
+ GOptionErrorFunc error_func;
+};
+
+static void free_changes_list (GOptionContext *context,
+ gboolean revert);
+static void free_pending_nulls (GOptionContext *context,
+ gboolean perform_nulls);
+
+#if EMULATOR
+
+PLS(q,g_option_error_quark,GQuark)
+#define q (*FUNCTION_NAME(q,g_option_error_quark)())
+
+#endif /* EMULATOR */
+
+EXPORT_C GQuark
+g_option_error_quark (void)
+{
+ #if !(EMULATOR)
+ static GQuark q = 0;
+ #endif /* EMULATOR */
+
+ if (q == 0)
+ q = g_quark_from_static_string ("g-option-context-error-quark");
+
+ return q;
+}
+
+#if EMULATOR
+#undef q
+#endif /* EMULATOR */
+
+/**
+ * g_option_context_new:
+ * @parameter_string: a string which is displayed in
+ * the first line of <option>--help</option> output, after the
+ * usage summary
+ * <literal><replaceable>programname</replaceable> [OPTION...]</literal>.
+ *
+ * Creates a new option context.
+ *
+ * The @parameter_text can serve multiple purposes. It can be used
+ * to add descriptions for "rest" arguments, which are not parsed by
+ * the #GOptionContext, typically something like "FILES" or
+ * "FILE1 FILE2...". (If you are using #G_OPTION_REMAINING for
+ * collecting "rest" arguments, GLib handles this automatically by
+ * using the @arg_description of the corresponding #GOptionEntry in
+ * the usage summary.)
+ *
+ * Another common usage is to give a summary of the program
+ * functionality. This can be a short summary on the same line,
+ * like " - frob the strings", or a longer description in a paragraph
+ * below the usage summary. In this case, @parameter_string should start
+ * with two newlines, to separate the description from the usage summary:
+ * "\n\nA program to frob strings, which will..."
+ *
+ * Returns: a newly created #GOptionContext, which must be
+ * freed with g_option_context_free() after use.
+ *
+ * Since: 2.6
+ */
+EXPORT_C GOptionContext *
+g_option_context_new (const gchar *parameter_string)
+
+{
+ GOptionContext *context;
+ context = g_new0 (GOptionContext, 1);
+
+ context->parameter_string = g_strdup (parameter_string);
+ context->help_enabled = TRUE;
+ context->ignore_unknown = FALSE;
+
+ return context;
+}
+
+/**
+ * g_option_context_free:
+ * @context: a #GOptionContext
+ *
+ * Frees context and all the groups which have been
+ * added to it.
+ *
+ * Since: 2.6
+ */
+EXPORT_C void g_option_context_free (GOptionContext *context)
+{
+ g_return_if_fail (context != NULL);
+
+ g_list_foreach (context->groups, (GFunc)g_option_group_free, NULL);
+ g_list_free (context->groups);
+
+ if (context->main_group)
+ g_option_group_free (context->main_group);
+
+ free_changes_list (context, FALSE);
+ free_pending_nulls (context, FALSE);
+
+ g_free (context->parameter_string);
+
+ g_free (context);
+}
+
+
+/**
+ * g_option_context_set_help_enabled:
+ * @context: a #GOptionContext
+ * @help_enabled: %TRUE to enable <option>--help</option>, %FALSE to disable it
+ *
+ * Enables or disables automatic generation of <option>--help</option>
+ * output. By default, g_option_context_parse() recognizes
+ * <option>--help</option>, <option>-?</option>, <option>--help-all</option>
+ * and <option>--help-</option><replaceable>groupname</replaceable> and creates
+ * suitable output to stdout.
+ *
+ * Since: 2.6
+ */
+EXPORT_C void g_option_context_set_help_enabled (GOptionContext *context,
+ gboolean help_enabled)
+
+{
+ g_return_if_fail (context != NULL);
+
+ context->help_enabled = help_enabled;
+}
+
+/**
+ * g_option_context_get_help_enabled:
+ * @context: a #GOptionContext
+ *
+ * Returns whether automatic <option>--help</option> generation
+ * is turned on for @context. See g_option_context_set_help_enabled().
+ *
+ * Returns: %TRUE if automatic help generation is turned on.
+ *
+ * Since: 2.6
+ */
+EXPORT_C gboolean
+g_option_context_get_help_enabled (GOptionContext *context)
+{
+ g_return_val_if_fail (context != NULL, FALSE);
+
+ return context->help_enabled;
+}
+
+/**
+ * g_option_context_set_ignore_unknown_options:
+ * @context: a #GOptionContext
+ * @ignore_unknown: %TRUE to ignore unknown options, %FALSE to produce
+ * an error when unknown options are met
+ *
+ * Sets whether to ignore unknown options or not. If an argument is
+ * ignored, it is left in the @argv array after parsing. By default,
+ * g_option_context_parse() treats unknown options as error.
+ *
+ * This setting does not affect non-option arguments (i.e. arguments
+ * which don't start with a dash). But note that GOption cannot reliably
+ * determine whether a non-option belongs to a preceding unknown option.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_context_set_ignore_unknown_options (GOptionContext *context,
+ gboolean ignore_unknown)
+{
+ g_return_if_fail (context != NULL);
+
+ context->ignore_unknown = ignore_unknown;
+}
+
+/**
+ * g_option_context_get_ignore_unknown_options:
+ * @context: a #GOptionContext
+ *
+ * Returns whether unknown options are ignored or not. See
+ * g_option_context_set_ignore_unknown_options().
+ *
+ * Returns: %TRUE if unknown options are ignored.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C gboolean
+g_option_context_get_ignore_unknown_options (GOptionContext *context)
+{
+ g_return_val_if_fail (context != NULL, FALSE);
+
+ return context->ignore_unknown;
+}
+
+/**
+ * g_option_context_add_group:
+ * @context: a #GOptionContext
+ * @group: the group to add
+ *
+ * Adds a #GOptionGroup to the @context, so that parsing with @context
+ * will recognize the options in the group. Note that the group will
+ * be freed together with the context when g_option_context_free() is
+ * called, so you must not free the group yourself after adding it
+ * to a context.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_context_add_group (GOptionContext *context,
+ GOptionGroup *group)
+{
+ GList *list;
+
+ g_return_if_fail (context != NULL);
+ g_return_if_fail (group != NULL);
+ g_return_if_fail (group->name != NULL);
+ g_return_if_fail (group->description != NULL);
+ g_return_if_fail (group->help_description != NULL);
+
+ for (list = context->groups; list; list = list->next)
+ {
+ GOptionGroup *g = (GOptionGroup *)list->data;
+
+ if ((group->name == NULL && g->name == NULL) ||
+ (group->name && g->name && strcmp (group->name, g->name) == 0))
+ g_warning ("A group named \"%s\" is already part of this GOptionContext",
+ group->name);
+ }
+
+ context->groups = g_list_append (context->groups, group);
+}
+
+/**
+ * g_option_context_set_main_group:
+ * @context: a #GOptionContext
+ * @group: the group to set as main group
+ *
+ * Sets a #GOptionGroup as main group of the @context.
+ * This has the same effect as calling g_option_context_add_group(),
+ * the only difference is that the options in the main group are
+ * treated differently when generating <option>--help</option> output.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_context_set_main_group (GOptionContext *context,
+ GOptionGroup *group)
+{
+ g_return_if_fail (context != NULL);
+ g_return_if_fail (group != NULL);
+
+ if (context->main_group)
+ {
+ g_warning ("This GOptionContext already has a main group");
+
+ return;
+ }
+
+ context->main_group = group;
+}
+
+/**
+ * g_option_context_get_main_group:
+ * @context: a #GOptionContext
+ *
+ * Returns a pointer to the main group of @context.
+ *
+ * Return value: the main group of @context, or %NULL if @context doesn't
+ * have a main group. Note that group belongs to @context and should
+ * not be modified or freed.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C GOptionGroup *
+g_option_context_get_main_group (GOptionContext *context)
+{
+ g_return_val_if_fail (context != NULL, NULL);
+
+ return context->main_group;
+}
+
+/**
+ * g_option_context_add_main_entries:
+ * @context: a #GOptionContext
+ * @entries: a %NULL-terminated array of #GOptionEntry<!-- -->s
+ * @translation_domain: a translation domain to use for translating
+ * the <option>--help</option> output for the options in @entries
+ * with gettext(), or %NULL
+ *
+ * A convenience function which creates a main group if it doesn't
+ * exist, adds the @entries to it and sets the translation domain.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_context_add_main_entries (GOptionContext *context,
+ const GOptionEntry *entries,
+ const gchar *translation_domain)
+{
+ g_return_if_fail (entries != NULL);
+
+ if (!context->main_group)
+ context->main_group = g_option_group_new (NULL, NULL, NULL, NULL, NULL);
+
+ g_option_group_add_entries (context->main_group, entries);
+ g_option_group_set_translation_domain (context->main_group, translation_domain);
+}
+
+static gint
+calculate_max_length (GOptionGroup *group)
+{
+ GOptionEntry *entry;
+ gint i, len, max_length;
+
+ max_length = 0;
+
+ for (i = 0; i < group->n_entries; i++)
+ {
+ entry = &group->entries[i];
+
+ if (entry->flags & G_OPTION_FLAG_HIDDEN)
+ continue;
+
+ len = g_utf8_strlen (entry->long_name, -1);
+
+ if (entry->short_name)
+ len += 4;
+
+ if (!NO_ARG (entry) && entry->arg_description)
+ len += 1 + g_utf8_strlen (TRANSLATE (group, entry->arg_description), -1);
+
+ max_length = MAX (max_length, len);
+ }
+
+ return max_length;
+}
+
+static void
+print_entry (GOptionGroup *group,
+ gint max_length,
+ const GOptionEntry *entry)
+{
+ GString *str;
+
+ if (entry->flags & G_OPTION_FLAG_HIDDEN)
+ return;
+
+ if (entry->long_name[0] == 0)
+ return;
+
+ str = g_string_new (NULL);
+
+ if (entry->short_name)
+ g_string_append_printf (str, " -%c, --%s", entry->short_name, entry->long_name);
+ else
+ g_string_append_printf (str, " --%s", entry->long_name);
+
+ if (entry->arg_description)
+ g_string_append_printf (str, "=%s", TRANSLATE (group, entry->arg_description));
+
+ g_print ("%-*s %s\n", max_length + 4, str->str,
+ entry->description ? TRANSLATE (group, entry->description) : "");
+ g_string_free (str, TRUE);
+}
+
+static void
+print_help (GOptionContext *context,
+ gboolean main_help,
+ GOptionGroup *group)
+{
+ GList *list;
+ gint max_length, len;
+ gint i;
+ GOptionEntry *entry;
+ GHashTable *shadow_map;
+ gboolean seen[256];
+ const gchar *rest_description;
+
+ rest_description = NULL;
+ if (context->main_group)
+ {
+ for (i = 0; i < context->main_group->n_entries; i++)
+ {
+ entry = &context->main_group->entries[i];
+ if (entry->long_name[0] == 0)
+ {
+ rest_description = entry->arg_description;
+ break;
+ }
+ }
+ }
+
+ g_print ("%s\n %s %s%s%s%s%s\n\n",
+ _("Usage:"), g_get_prgname(), _("[OPTION...]"),
+ rest_description ? " " : "",
+ rest_description ? rest_description : "",
+ context->parameter_string ? " " : "",
+ context->parameter_string ? context->parameter_string : "");
+
+ memset (seen, 0, sizeof (gboolean) * 256);
+ shadow_map = g_hash_table_new (g_str_hash, g_str_equal);
+
+ if (context->main_group)
+ {
+ for (i = 0; i < context->main_group->n_entries; i++)
+ {
+ entry = &context->main_group->entries[i];
+ g_hash_table_insert (shadow_map,
+ (gpointer)entry->long_name,
+ entry);
+
+ if (seen[(guchar)entry->short_name])
+ entry->short_name = 0;
+ else
+ seen[(guchar)entry->short_name] = TRUE;
+ }
+ }
+
+ list = context->groups;
+ while (list != NULL)
+ {
+ GOptionGroup *group = list->data;
+ for (i = 0; i < group->n_entries; i++)
+ {
+ entry = &group->entries[i];
+ if (g_hash_table_lookup (shadow_map, entry->long_name) &&
+ !(entry->flags && G_OPTION_FLAG_NOALIAS))
+ entry->long_name = g_strdup_printf ("%s-%s", group->name, entry->long_name);
+ else
+ g_hash_table_insert (shadow_map, (gpointer)entry->long_name, entry);
+
+ if (seen[(guchar)entry->short_name] &&
+ !(entry->flags && G_OPTION_FLAG_NOALIAS))
+ entry->short_name = 0;
+ else
+ seen[(guchar)entry->short_name] = TRUE;
+ }
+ list = list->next;
+ }
+
+ g_hash_table_destroy (shadow_map);
+
+ list = context->groups;
+
+ max_length = g_utf8_strlen ("-?, --help", -1);
+
+ if (list)
+ {
+ len = g_utf8_strlen ("--help-all", -1);
+ max_length = MAX (max_length, len);
+ }
+
+ if (context->main_group)
+ {
+ len = calculate_max_length (context->main_group);
+ max_length = MAX (max_length, len);
+ }
+
+ while (list != NULL)
+ {
+ GOptionGroup *group = list->data;
+
+ /* First, we check the --help-<groupname> options */
+ len = g_utf8_strlen ("--help-", -1) + g_utf8_strlen (group->name, -1);
+ max_length = MAX (max_length, len);
+
+ /* Then we go through the entries */
+ len = calculate_max_length (group);
+ max_length = MAX (max_length, len);
+
+ list = list->next;
+ }
+
+ /* Add a bit of padding */
+ max_length += 4;
+
+ if (!group)
+ {
+ list = context->groups;
+
+ g_print ("%s\n -%c, --%-*s %s\n",
+ _("Help Options:"), '?', max_length - 4, "help",
+ _("Show help options"));
+
+ /* We only want --help-all when there are groups */
+ if (list)
+ g_print (" --%-*s %s\n", max_length, "help-all",
+ _("Show all help options"));
+
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ g_print (" --help-%-*s %s\n", max_length - 5, group->name,
+ TRANSLATE (group, group->help_description));
+
+ list = list->next;
+ }
+
+ g_print ("\n");
+ }
+
+ if (group)
+ {
+ /* Print a certain group */
+
+ g_print ("%s\n", TRANSLATE (group, group->description));
+ for (i = 0; i < group->n_entries; i++)
+ print_entry (group, max_length, &group->entries[i]);
+ g_print ("\n");
+ }
+ else if (!main_help)
+ {
+ /* Print all groups */
+
+ list = context->groups;
+
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ g_print ("%s\n", group->description);
+
+ for (i = 0; i < group->n_entries; i++)
+ if (!(group->entries[i].flags & G_OPTION_FLAG_IN_MAIN))
+ print_entry (group, max_length, &group->entries[i]);
+
+ g_print ("\n");
+ list = list->next;
+ }
+ }
+
+ /* Print application options if --help or --help-all has been specified */
+ if (main_help || !group)
+ {
+ list = context->groups;
+
+ g_print ("%s\n", _("Application Options:"));
+
+ if (context->main_group)
+ for (i = 0; i < context->main_group->n_entries; i++)
+ print_entry (context->main_group, max_length,
+ &context->main_group->entries[i]);
+
+ while (list != NULL)
+ {
+ GOptionGroup *group = list->data;
+
+ /* Print main entries from other groups */
+ for (i = 0; i < group->n_entries; i++)
+ if (group->entries[i].flags & G_OPTION_FLAG_IN_MAIN)
+ print_entry (group, max_length, &group->entries[i]);
+
+ list = list->next;
+ }
+
+ g_print ("\n");
+ }
+
+ exit (0);
+}
+
+static gboolean
+parse_int (const gchar *arg_name,
+ const gchar *arg,
+ gint *result,
+ GError **error)
+{
+ gchar *end;
+ glong tmp;
+
+ errno = 0;
+ tmp = strtol (arg, &end, 0);
+
+ if (*arg == '\0' || *end != '\0')
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+ _("Cannot parse integer value '%s' for %s"),
+ arg, arg_name);
+ return FALSE;
+ }
+
+ *result = tmp;
+ if (*result != tmp || errno == ERANGE)
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+ _("Integer value '%s' for %s out of range"),
+ arg, arg_name);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static Change *
+get_change (GOptionContext *context,
+ GOptionArg arg_type,
+ gpointer arg_data)
+{
+ GList *list;
+ Change *change = NULL;
+
+ for (list = context->changes; list != NULL; list = list->next)
+ {
+ change = list->data;
+
+ if (change->arg_data == arg_data)
+ goto found;
+ }
+ change = g_new0 (Change, 1);
+ change->arg_type = arg_type;
+ change->arg_data = arg_data;
+
+ context->changes = g_list_prepend (context->changes, change);
+
+ found:
+
+ return change;
+}
+
+static void
+add_pending_null (GOptionContext *context,
+ gchar **ptr,
+ gchar *value)
+{
+ PendingNull *n;
+ n = g_new0 (PendingNull, 1);
+ n->ptr = ptr;
+ n->value = value;
+
+ context->pending_nulls = g_list_prepend (context->pending_nulls, n);
+}
+
+static gboolean
+parse_arg (GOptionContext *context,
+ GOptionGroup *group,
+ GOptionEntry *entry,
+ const gchar *value,
+ const gchar *option_name,
+ GError **error)
+
+{
+ Change *change;
+
+ switch (entry->arg)
+ {
+ case G_OPTION_ARG_NONE:
+ {
+ change = get_change (context, G_OPTION_ARG_NONE,
+ entry->arg_data);
+
+ *(gboolean *)entry->arg_data = !(entry->flags & G_OPTION_FLAG_REVERSE);
+ break;
+ }
+ case G_OPTION_ARG_STRING:
+ {
+ gchar *data;
+
+ data = g_locale_to_utf8 (value, -1, NULL, NULL, error);
+
+ if (!data)
+ return FALSE;
+
+ change = get_change (context, G_OPTION_ARG_STRING,
+ entry->arg_data);
+ g_free (change->allocated.str);
+
+ change->prev.str = *(gchar **)entry->arg_data;
+ change->allocated.str = data;
+
+ *(gchar **)entry->arg_data = data;
+ break;
+ }
+ case G_OPTION_ARG_STRING_ARRAY:
+ {
+ gchar *data;
+
+ data = g_locale_to_utf8 (value, -1, NULL, NULL, error);
+
+ if (!data)
+ return FALSE;
+
+ change = get_change (context, G_OPTION_ARG_STRING_ARRAY,
+ entry->arg_data);
+
+ if (change->allocated.array.len == 0)
+ {
+ change->prev.array = *(gchar ***)entry->arg_data;
+ change->allocated.array.data = g_new (gchar *, 2);
+ }
+ else
+ change->allocated.array.data =
+ g_renew (gchar *, change->allocated.array.data,
+ change->allocated.array.len + 2);
+
+
+ change->allocated.array.data[change->allocated.array.len] = data;
+ change->allocated.array.data[change->allocated.array.len + 1] = NULL;
+
+ change->allocated.array.len ++;
+
+ *(gchar ***)entry->arg_data = change->allocated.array.data;
+
+ break;
+ }
+
+ case G_OPTION_ARG_FILENAME:
+ {
+ gchar *data;
+
+#ifdef G_OS_WIN32
+ data = g_locale_to_utf8 (value, -1, NULL, NULL, error);
+
+ if (!data)
+ return FALSE;
+#else
+ data = g_strdup (value);
+#endif
+ change = get_change (context, G_OPTION_ARG_FILENAME,
+ entry->arg_data);
+ g_free (change->allocated.str);
+
+ change->prev.str = *(gchar **)entry->arg_data;
+ change->allocated.str = data;
+
+ *(gchar **)entry->arg_data = data;
+ break;
+ }
+
+ case G_OPTION_ARG_FILENAME_ARRAY:
+ {
+ gchar *data;
+
+#ifdef G_OS_WIN32
+ data = g_locale_to_utf8 (value, -1, NULL, NULL, error);
+
+ if (!data)
+ return FALSE;
+#else
+ data = g_strdup (value);
+#endif
+ change = get_change (context, G_OPTION_ARG_STRING_ARRAY,
+ entry->arg_data);
+
+ if (change->allocated.array.len == 0)
+ {
+ change->prev.array = *(gchar ***)entry->arg_data;
+ change->allocated.array.data = g_new (gchar *, 2);
+
+ }
+ else
+ change->allocated.array.data =
+ g_renew (gchar *, change->allocated.array.data,
+ change->allocated.array.len + 2);
+
+ change->allocated.array.data[change->allocated.array.len] = data;
+ change->allocated.array.data[change->allocated.array.len + 1] = NULL;
+
+ change->allocated.array.len ++;
+
+ *(gchar ***)entry->arg_data = change->allocated.array.data;
+
+ break;
+ }
+
+ case G_OPTION_ARG_INT:
+ {
+ gint data;
+
+ if (!parse_int (option_name, value,
+ &data,
+ error))
+ return FALSE;
+
+ change = get_change (context, G_OPTION_ARG_INT,
+ entry->arg_data);
+ change->prev.integer = *(gint *)entry->arg_data;
+ *(gint *)entry->arg_data = data;
+ break;
+ }
+ case G_OPTION_ARG_CALLBACK:
+ {
+ gchar *data;
+ gboolean retval;
+
+ if (!value && entry->flags & G_OPTION_FLAG_OPTIONAL_ARG)
+ data = NULL;
+ else if (entry->flags & G_OPTION_FLAG_NO_ARG)
+ data = NULL;
+ else if (entry->flags & G_OPTION_FLAG_FILENAME)
+ {
+#ifdef G_OS_WIN32
+ data = g_locale_to_utf8 (value, -1, NULL, NULL, error);
+#else
+ data = g_strdup (value);
+#endif
+ }
+ else
+ data = g_locale_to_utf8 (value, -1, NULL, NULL, error);
+
+ if (!(entry->flags & (G_OPTION_FLAG_NO_ARG|G_OPTION_FLAG_OPTIONAL_ARG)) &&
+ !data)
+ return FALSE;
+
+ retval = (* (GOptionArgFunc) entry->arg_data) (option_name, data, group->user_data, error);
+
+ g_free (data);
+
+ return retval;
+
+ break;
+ }
+ default:
+ g_assert_not_reached ();
+ }
+
+ return TRUE;
+}
+
+static gboolean
+parse_short_option (GOptionContext *context,
+ GOptionGroup *group,
+ gint index,
+ gint *new_index,
+ gchar arg,
+ gint *argc,
+ gchar ***argv,
+ GError **error,
+ gboolean *parsed)
+{
+ gint j;
+
+ for (j = 0; j < group->n_entries; j++)
+ {
+ if (arg == group->entries[j].short_name)
+ {
+ gchar *option_name;
+ gchar *value = NULL;
+
+ option_name = g_strdup_printf ("-%c", group->entries[j].short_name);
+
+ if (NO_ARG (&group->entries[j]))
+ value = NULL;
+ else
+ {
+ if (*new_index > index)
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
+ _("Error parsing option %s"), option_name);
+ g_free (option_name);
+ return FALSE;
+ }
+
+ if (index < *argc - 1)
+ {
+ if (!OPTIONAL_ARG (&group->entries[j]))
+ {
+ value = (*argv)[index + 1];
+ add_pending_null (context, &((*argv)[index + 1]), NULL);
+ *new_index = index+1;
+ }
+ else
+ {
+ if ((*argv)[index + 1][0] == '-')
+ value = NULL;
+ else
+ {
+ value = (*argv)[index + 1];
+ add_pending_null (context, &((*argv)[index + 1]), NULL);
+ *new_index = index + 1;
+ }
+ }
+ }
+ else if (index >= *argc - 1 && OPTIONAL_ARG (&group->entries[j]))
+ value = NULL;
+ else
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+ _("Missing argument for %s"), option_name);
+ g_free (option_name);
+ return FALSE;
+ }
+ }
+
+ if (!parse_arg (context, group, &group->entries[j],
+ value, option_name, error))
+ {
+ g_free (option_name);
+ return FALSE;
+ }
+
+ g_free (option_name);
+ *parsed = TRUE;
+ }
+ }
+
+ return TRUE;
+}
+
+static gboolean
+parse_long_option (GOptionContext *context,
+ GOptionGroup *group,
+ gint *index,
+ gchar *arg,
+ gboolean aliased,
+ gint *argc,
+ gchar ***argv,
+ GError **error,
+ gboolean *parsed)
+{
+ gint j;
+
+ for (j = 0; j < group->n_entries; j++)
+ {
+ if (*index >= *argc)
+ return TRUE;
+
+ if (aliased && (group->entries[j].flags & G_OPTION_FLAG_NOALIAS))
+ continue;
+
+ if (NO_ARG (&group->entries[j]) &&
+ strcmp (arg, group->entries[j].long_name) == 0)
+ {
+ gchar *option_name;
+
+ option_name = g_strconcat ("--", group->entries[j].long_name, NULL);
+ parse_arg (context, group, &group->entries[j],
+ NULL, option_name, error);
+ g_free(option_name);
+
+ add_pending_null (context, &((*argv)[*index]), NULL);
+ *parsed = TRUE;
+ }
+ else
+ {
+ gint len = strlen (group->entries[j].long_name);
+
+ if (strncmp (arg, group->entries[j].long_name, len) == 0 &&
+ (arg[len] == '=' || arg[len] == 0))
+ {
+ gchar *value = NULL;
+ gchar *option_name;
+
+ add_pending_null (context, &((*argv)[*index]), NULL);
+ option_name = g_strconcat ("--", group->entries[j].long_name, NULL);
+
+ if (arg[len] == '=')
+ value = arg + len + 1;
+ else if (*index < *argc - 1)
+ {
+ if (!(group->entries[j].flags & G_OPTION_FLAG_OPTIONAL_ARG))
+ {
+ value = (*argv)[*index + 1];
+ add_pending_null (context, &((*argv)[*index + 1]), NULL);
+ (*index)++;
+ }
+ else
+ {
+ if ((*argv)[*index + 1][0] == '-')
+ {
+ gboolean retval;
+ retval = parse_arg (context, group, &group->entries[j],
+ NULL, option_name, error);
+ *parsed = TRUE;
+ g_free (option_name);
+ return retval;
+ }
+ else
+ {
+ value = (*argv)[*index + 1];
+ add_pending_null (context, &((*argv)[*index + 1]), NULL);
+ (*index)++;
+ }
+ }
+ }
+ else if (*index >= *argc - 1 &&
+ group->entries[j].flags & G_OPTION_FLAG_OPTIONAL_ARG)
+ {
+ gboolean retval;
+ retval = parse_arg (context, group, &group->entries[j],
+ NULL, option_name, error);
+ *parsed = TRUE;
+ g_free (option_name);
+ return retval;
+ }
+ else
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+ _("Missing argument for %s"), option_name);
+ g_free (option_name);
+ return FALSE;
+ }
+
+ if (!parse_arg (context, group, &group->entries[j],
+ value, option_name, error))
+ {
+ g_free (option_name);
+ return FALSE;
+ }
+
+ g_free (option_name);
+ *parsed = TRUE;
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+static gboolean
+parse_remaining_arg (GOptionContext *context,
+ GOptionGroup *group,
+ gint *index,
+ gint *argc,
+ gchar ***argv,
+ GError **error,
+ gboolean *parsed)
+{
+ gint j;
+
+ for (j = 0; j < group->n_entries; j++)
+ {
+ if (*index >= *argc)
+ return TRUE;
+
+ if (group->entries[j].long_name[0])
+ continue;
+
+ g_return_val_if_fail (group->entries[j].arg == G_OPTION_ARG_STRING_ARRAY ||
+ group->entries[j].arg == G_OPTION_ARG_FILENAME_ARRAY, FALSE);
+
+ add_pending_null (context, &((*argv)[*index]), NULL);
+
+ if (!parse_arg (context, group, &group->entries[j], (*argv)[*index], "", error))
+ return FALSE;
+
+ *parsed = TRUE;
+ return TRUE;
+ }
+
+ return TRUE;
+}
+
+static void
+free_changes_list (GOptionContext *context,
+ gboolean revert)
+{
+ GList *list;
+
+ for (list = context->changes; list != NULL; list = list->next)
+ {
+ Change *change = list->data;
+
+ if (revert)
+ {
+ switch (change->arg_type)
+ {
+ case G_OPTION_ARG_NONE:
+ *(gboolean *)change->arg_data = change->prev.bool;
+ break;
+ case G_OPTION_ARG_INT:
+ *(gint *)change->arg_data = change->prev.integer;
+ break;
+ case G_OPTION_ARG_STRING:
+ case G_OPTION_ARG_FILENAME:
+ g_free (change->allocated.str);
+ *(gchar **)change->arg_data = change->prev.str;
+ break;
+ case G_OPTION_ARG_STRING_ARRAY:
+ case G_OPTION_ARG_FILENAME_ARRAY:
+ g_strfreev (change->allocated.array.data);
+ *(gchar ***)change->arg_data = change->prev.array;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+ }
+
+ g_free (change);
+ }
+
+ g_list_free (context->changes);
+ context->changes = NULL;
+}
+
+static void
+free_pending_nulls (GOptionContext *context,
+ gboolean perform_nulls)
+{
+ GList *list;
+
+ for (list = context->pending_nulls; list != NULL; list = list->next)
+ {
+ PendingNull *n = list->data;
+
+ if (perform_nulls)
+ {
+ if (n->value)
+ {
+ /* Copy back the short options */
+ *(n->ptr)[0] = '-';
+ strcpy (*n->ptr + 1, n->value);
+ }
+ else
+ *n->ptr = NULL;
+ }
+
+ g_free (n->value);
+ g_free (n);
+ }
+
+ g_list_free (context->pending_nulls);
+ context->pending_nulls = NULL;
+}
+
+/**
+ * g_option_context_parse:
+ * @context: a #GOptionContext
+ * @argc: a pointer to the number of command line arguments.
+ * @argv: a pointer to the array of command line arguments.
+ * @error: a return location for errors
+ *
+ * Parses the command line arguments, recognizing options
+ * which have been added to @context. A side-effect of
+ * calling this function is that g_set_prgname() will be
+ * called.
+ *
+ * If the parsing is successful, any parsed arguments are
+ * removed from the array and @argc and @argv are updated
+ * accordingly. A '--' option is stripped from @argv
+ * unless there are unparsed options before and after it,
+ * or some of the options after it start with '-'. In case
+ * of an error, @argc and @argv are left unmodified.
+ *
+ * If automatic <option>--help</option> support is enabled
+ * (see g_option_context_set_help_enabled()), and the
+ * @argv array contains one of the recognized help options,
+ * this function will produce help output to stdout and
+ * call <literal>exit (0)</literal>.
+ *
+ * Return value: %TRUE if the parsing was successful,
+ * %FALSE if an error occurred
+ *
+ * Since: 2.6
+ **/
+EXPORT_C gboolean
+g_option_context_parse (GOptionContext *context,
+ gint *argc,
+ gchar ***argv,
+ GError **error)
+{
+ gint i, j, k;
+ GList *list;
+
+ /* Set program name */
+ if (!g_get_prgname())
+ {
+ if (argc && argv && *argc)
+ {
+ gchar *prgname;
+
+ prgname = g_path_get_basename ((*argv)[0]);
+ g_set_prgname (prgname);
+ g_free (prgname);
+ }
+ else
+ g_set_prgname ("<unknown>");
+ }
+
+ /* Call pre-parse hooks */
+ list = context->groups;
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ if (group->pre_parse_func)
+ {
+ if (!(* group->pre_parse_func) (context, group,
+ group->user_data, error))
+ goto fail;
+ }
+
+ list = list->next;
+ }
+
+ if (context->main_group && context->main_group->pre_parse_func)
+ {
+ if (!(* context->main_group->pre_parse_func) (context, context->main_group,
+ context->main_group->user_data, error))
+ goto fail;
+ }
+
+ if (argc && argv)
+ {
+ gboolean stop_parsing = FALSE;
+ gboolean has_unknown = FALSE;
+ gint separator_pos = 0;
+
+ for (i = 1; i < *argc; i++)
+ {
+ gchar *arg, *dash;
+ gboolean parsed = FALSE;
+
+ if ((*argv)[i][0] == '-' && (*argv)[i][1] != '\0' && !stop_parsing)
+ {
+ if ((*argv)[i][1] == '-')
+ {
+ /* -- option */
+
+ arg = (*argv)[i] + 2;
+
+ /* '--' terminates list of arguments */
+ if (*arg == 0)
+ {
+ separator_pos = i;
+ stop_parsing = TRUE;
+ continue;
+ }
+
+ /* Handle help options */
+ if (context->help_enabled)
+ {
+ if (strcmp (arg, "help") == 0)
+ print_help (context, TRUE, NULL);
+ else if (strcmp (arg, "help-all") == 0)
+ print_help (context, FALSE, NULL);
+ else if (strncmp (arg, "help-", 5) == 0)
+ {
+ GList *list;
+
+ list = context->groups;
+
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ if (strcmp (arg + 5, group->name) == 0)
+ print_help (context, FALSE, group);
+
+ list = list->next;
+ }
+ }
+ }
+
+ if (context->main_group &&
+ !parse_long_option (context, context->main_group, &i, arg,
+ FALSE, argc, argv, error, &parsed))
+ goto fail;
+
+ if (parsed)
+ continue;
+
+ /* Try the groups */
+ list = context->groups;
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ if (!parse_long_option (context, group, &i, arg,
+ FALSE, argc, argv, error, &parsed))
+ goto fail;
+
+ if (parsed)
+ break;
+
+ list = list->next;
+ }
+
+ if (parsed)
+ continue;
+
+ /* Now look for --<group>-<option> */
+ dash = strchr (arg, '-');
+ if (dash)
+ {
+ /* Try the groups */
+ list = context->groups;
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ if (strncmp (group->name, arg, dash - arg) == 0)
+ {
+ if (!parse_long_option (context, group, &i, dash + 1,
+ TRUE, argc, argv, error, &parsed))
+ goto fail;
+
+ if (parsed)
+ break;
+ }
+
+ list = list->next;
+ }
+ }
+
+ if (context->ignore_unknown)
+ continue;
+ }
+ else
+ { /* short option */
+ gint j, new_i = i, arg_length;
+ gboolean *nulled_out = NULL;
+ arg = (*argv)[i] + 1;
+ arg_length = strlen (arg);
+
+ #ifndef __SYMBIAN32__
+
+ nulled_out = g_newa (gboolean, arg_length);
+ memset (nulled_out, 0, arg_length * sizeof (gboolean));
+
+ #else
+
+ nulled_out = g_new0 (gboolean, arg_length);
+
+ #endif /* __SYMBIAN32__*/
+
+ for (j = 0; j < arg_length; j++)
+ {
+ if (context->help_enabled && arg[j] == '?')
+ print_help (context, TRUE, NULL);
+ parsed = FALSE;
+ if (context->main_group &&
+ !parse_short_option (context, context->main_group,
+ i, &new_i, arg[j],
+ argc, argv, error, &parsed))
+ goto fail;
+ if (!parsed)
+ {
+ /* Try the groups */
+ list = context->groups;
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+ if (!parse_short_option (context, group, i, &new_i, arg[j],
+ argc, argv, error, &parsed))
+ goto fail;
+ if (parsed)
+ break;
+ list = list->next;
+ }
+ }
+
+ if (context->ignore_unknown && parsed)
+ nulled_out[j] = TRUE;
+ else if (context->ignore_unknown)
+ continue;
+ else if (!parsed)
+ break;
+ /* !context->ignore_unknown && parsed */
+ }
+ if (context->ignore_unknown)
+ {
+ gchar *new_arg = NULL;
+ gint arg_index = 0;
+ for (j = 0; j < arg_length; j++)
+ {
+ if (!nulled_out[j])
+ {
+ if (!new_arg)
+ new_arg = g_malloc (arg_length + 1);
+ new_arg[arg_index++] = arg[j];
+ }
+ }
+ if (new_arg)
+ new_arg[arg_index] = '\0';
+ add_pending_null (context, &((*argv)[i]), new_arg);
+ }
+ else if (parsed)
+ {
+ add_pending_null (context, &((*argv)[i]), NULL);
+ i = new_i;
+ }
+ #ifdef __SYMBIAN32__
+ g_free(nulled_out);
+ #endif /* __SYMBIAN32__ */
+ }
+
+ if (!parsed)
+ has_unknown = TRUE;
+
+ if (!parsed && !context->ignore_unknown)
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_UNKNOWN_OPTION,
+ _("Unknown option %s"), (*argv)[i]);
+ goto fail;
+ }
+ }
+ else
+ {
+ /* Collect remaining args */
+ if (context->main_group &&
+ !parse_remaining_arg (context, context->main_group, &i,
+ argc, argv, error, &parsed))
+ goto fail;
+
+ if (!parsed && (has_unknown || (*argv)[i][0] == '-'))
+ separator_pos = 0;
+ }
+ }
+
+ if (separator_pos > 0)
+ add_pending_null (context, &((*argv)[separator_pos]), NULL);
+
+ }
+
+ /* Call post-parse hooks */
+ list = context->groups;
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ if (group->post_parse_func)
+ {
+ if (!(* group->post_parse_func) (context, group,
+ group->user_data, error))
+ goto fail;
+ }
+
+ list = list->next;
+ }
+
+ if (context->main_group && context->main_group->post_parse_func)
+ {
+ if (!(* context->main_group->post_parse_func) (context, context->main_group,
+ context->main_group->user_data, error))
+ goto fail;
+ }
+
+ if (argc && argv)
+ {
+ free_pending_nulls (context, TRUE);
+
+ for (i = 1; i < *argc; i++)
+ {
+ for (k = i; k < *argc; k++)
+ if ((*argv)[k] != NULL)
+ break;
+
+ if (k > i)
+ {
+ k -= i;
+ for (j = i + k; j < *argc; j++)
+ {
+ (*argv)[j-k] = (*argv)[j];
+ (*argv)[j] = NULL;
+ }
+ *argc -= k;
+ }
+ }
+ }
+
+ return TRUE;
+
+ fail:
+
+ /* Call error hooks */
+ list = context->groups;
+ while (list)
+ {
+ GOptionGroup *group = list->data;
+
+ if (group->error_func)
+ (* group->error_func) (context, group,
+ group->user_data, error);
+
+ list = list->next;
+ }
+
+ if (context->main_group && context->main_group->error_func)
+ (* context->main_group->error_func) (context, context->main_group,
+ context->main_group->user_data, error);
+
+ free_changes_list (context, TRUE);
+ free_pending_nulls (context, FALSE);
+
+ return FALSE;
+}
+
+/**
+ * g_option_group_new:
+ * @name: the name for the option group, this is used to provide
+ * help for the options in this group with <option>--help-</option>@name
+ * @description: a description for this group to be shown in
+ * <option>--help</option>. This string is translated using the translation
+ * domain or translation function of the group
+ * @help_description: a description for the <option>--help-</option>@name option.
+ * This string is translated using the translation domain or translation function
+ * of the group
+ * @user_data: user data that will be passed to the pre- and post-parse hooks,
+ * the error hook and to callbacks of %G_OPTION_ARG_CALLBACK options, or %NULL
+ * @destroy: a function that will be called to free @user_data, or %NULL
+ *
+ * Creates a new #GOptionGroup.
+ *
+ * Return value: a newly created option group. It should be added
+ * to a #GOptionContext or freed with g_option_group_free().
+ *
+ * Since: 2.6
+ **/
+EXPORT_C GOptionGroup *
+g_option_group_new (const gchar *name,
+ const gchar *description,
+ const gchar *help_description,
+ gpointer user_data,
+ GDestroyNotify destroy)
+
+{
+ GOptionGroup *group;
+ group = g_new0 (GOptionGroup, 1);
+ group->name = g_strdup (name);
+ group->description = g_strdup (description);
+ group->help_description = g_strdup (help_description);
+ group->user_data = user_data;
+ group->destroy_notify = destroy;
+
+ return group;
+}
+
+
+/**
+ * g_option_group_free:
+ * @group: a #GOptionGroup
+ *
+ * Frees a #GOptionGroup. Note that you must <emphasis>not</emphasis>
+ * free groups which have been added to a #GOptionContext.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_group_free (GOptionGroup *group)
+{
+ g_return_if_fail (group != NULL);
+
+ g_free (group->name);
+ g_free (group->description);
+ g_free (group->help_description);
+
+ g_free (group->entries);
+
+ if (group->destroy_notify)
+ (* group->destroy_notify) (group->user_data);
+
+ if (group->translate_notify)
+ (* group->translate_notify) (group->translate_data);
+
+ g_free (group);
+}
+
+
+/**
+ * g_option_group_add_entries:
+ * @group: a #GOptionGroup
+ * @entries: a %NULL-terminated array of #GOptionEntry<!-- -->s
+ *
+ * Adds the options specified in @entries to @group.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_group_add_entries (GOptionGroup *group,
+ const GOptionEntry *entries)
+{
+ gint i, n_entries;
+
+ g_return_if_fail (entries != NULL);
+
+ for (n_entries = 0; entries[n_entries].long_name != NULL; n_entries++) ;
+ group->entries = g_renew (GOptionEntry, group->entries, group->n_entries + n_entries);
+
+
+ memcpy (group->entries + group->n_entries, entries, sizeof (GOptionEntry) * n_entries);
+
+ for (i = group->n_entries; i < group->n_entries + n_entries; i++)
+ {
+ gchar c = group->entries[i].short_name;
+
+ if (c)
+ {
+ if (c == '-' || !g_ascii_isprint (c))
+ {
+ g_warning (G_STRLOC": ignoring invalid short option '%c' (%d)", c, c);
+ group->entries[i].short_name = 0;
+ }
+ }
+ }
+
+ group->n_entries += n_entries;
+}
+
+/**
+ * g_option_group_set_parse_hooks:
+ * @group: a #GOptionGroup
+ * @pre_parse_func: a function to call before parsing, or %NULL
+ * @post_parse_func: a function to call after parsing, or %NULL
+ *
+ * Associates two functions with @group which will be called
+ * from g_option_context_parse() before the first option is parsed
+ * and after the last option has been parsed, respectively.
+ *
+ * Note that the user data to be passed to @pre_parse_func and
+ * @post_parse_func can be specified when constructing the group
+ * with g_option_group_new().
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_group_set_parse_hooks (GOptionGroup *group,
+ GOptionParseFunc pre_parse_func,
+ GOptionParseFunc post_parse_func)
+{
+ g_return_if_fail (group != NULL);
+
+ group->pre_parse_func = pre_parse_func;
+ group->post_parse_func = post_parse_func;
+}
+
+/**
+ * g_option_group_set_error_hook:
+ * @group: a #GOptionGroup
+ * @error_func: a function to call when an error occurs
+ *
+ * Associates a function with @group which will be called
+ * from g_option_context_parse() when an error occurs.
+ *
+ * Note that the user data to be passed to @pre_parse_func and
+ * @post_parse_func can be specified when constructing the group
+ * with g_option_group_new().
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_group_set_error_hook (GOptionGroup *group,
+ GOptionErrorFunc error_func)
+{
+ g_return_if_fail (group != NULL);
+
+ group->error_func = error_func;
+}
+
+
+/**
+ * g_option_group_set_translate_func:
+ * @group: a #GOptionGroup
+ * @func: the #GTranslateFunc, or %NULL
+ * @data: user data to pass to @func, or %NULL
+ * @destroy_notify: a function which gets called to free @data, or %NULL
+ *
+ * Sets the function which is used to translate user-visible
+ * strings, for <option>--help</option> output. Different
+ * groups can use different #GTranslateFunc<!-- -->s. If @func
+ * is %NULL, strings are not translated.
+ *
+ * If you are using gettext(), you only need to set the translation
+ * domain, see g_option_group_set_translation_domain().
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_group_set_translate_func (GOptionGroup *group,
+ GTranslateFunc func,
+ gpointer data,
+ GDestroyNotify destroy_notify)
+{
+ g_return_if_fail (group != NULL);
+
+ if (group->translate_notify)
+ group->translate_notify (group->translate_data);
+
+ group->translate_func = func;
+ group->translate_data = data;
+ group->translate_notify = destroy_notify;
+}
+
+static gchar *
+dgettext_swapped (const gchar *msgid,
+ const gchar *domainname)
+{
+ return FIX_CASTING(char *)dgettext (domainname, msgid);
+}
+
+/**
+ * g_option_group_set_translation_domain:
+ * @group: a #GOptionGroup
+ * @domain: the domain to use
+ *
+ * A convenience function to use gettext() for translating
+ * user-visible strings.
+ *
+ * Since: 2.6
+ **/
+EXPORT_C void
+g_option_group_set_translation_domain (GOptionGroup *group,
+ const gchar *domain)
+{
+ g_return_if_fail (group != NULL);
+
+ g_option_group_set_translate_func (group,
+ (GTranslateFunc)dgettext_swapped,
+ g_strdup (domain),
+ g_free);
+}
+
+#define __G_OPTION_C__
+#include "galiasdef.c"