310 lines
7.2 KiB
C
310 lines
7.2 KiB
C
/*
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* mooeditfiltersettings.c
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*
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* Copyright (C) 2004-2006 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#define MOOEDIT_COMPILATION
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#include "mooedit/mooeditfiltersettings.h"
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#include "mooedit/mooeditprefs.h"
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#include "mooutils/mooprefs.h"
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#include "mooutils/eggregex.h"
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#include "mooutils/mooutils-misc.h"
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#include <string.h>
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#define ELEMENT_FILTER_SETTINGS MOO_EDIT_PREFS_PREFIX "/filter-settings"
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#define ELEMENT_SETTING "setting"
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#define PROP_FILTER "filter"
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#define PROP_CONFIG "config"
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typedef struct {
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EggRegex *regex;
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char *config;
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} FilterSetting;
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typedef struct {
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GSList *settings;
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} FilterSettingsStore;
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static FilterSettingsStore *settings_store;
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static const char *filter_settings_store_get_setting (FilterSettingsStore *store,
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const char *filename);
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static void
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filter_setting_free (FilterSetting *setting)
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{
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if (setting)
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{
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g_free (setting->config);
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egg_regex_free (setting->regex);
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g_free (setting);
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}
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}
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static FilterSetting *
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filter_setting_new (const char *filter,
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const char *config)
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{
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FilterSetting *setting;
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setting = g_new0 (FilterSetting, 1);
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setting->regex = egg_regex_new (filter, EGG_REGEX_DOTALL, 0, NULL);
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setting->config = g_strdup (config);
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if (!setting->regex || !setting->config)
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{
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filter_setting_free (setting);
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setting = NULL;
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}
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else
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{
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egg_regex_optimize (setting->regex, NULL);
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}
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return setting;
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}
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static FilterSettingsStore *
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filter_settings_store_new (void)
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{
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FilterSettingsStore *store;
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store = g_new0 (FilterSettingsStore, 1);
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return store;
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}
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static void
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filter_settings_store_free (FilterSettingsStore *store)
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{
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g_slist_foreach (store->settings, (GFunc) filter_setting_free, NULL);
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g_slist_free (store->settings);
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g_free (store);
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}
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static void
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load_node (FilterSettingsStore *store,
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MooMarkupNode *node)
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{
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const char *filter, *config;
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FilterSetting *setting;
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filter = moo_markup_get_prop (node, PROP_FILTER);
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config = moo_markup_get_prop (node, PROP_CONFIG);
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g_return_if_fail (filter != NULL && config != NULL);
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setting = filter_setting_new (filter, config);
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g_return_if_fail (setting != NULL);
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store->settings = g_slist_prepend (store->settings, setting);
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}
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static void
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filter_settings_store_load (FilterSettingsStore *store)
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{
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MooMarkupDoc *xml;
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MooMarkupNode *root, *node;
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g_return_if_fail (!store->settings);
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xml = moo_prefs_get_markup (MOO_PREFS_RC);
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g_return_if_fail (xml != NULL);
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root = moo_markup_get_element (MOO_MARKUP_NODE (xml),
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ELEMENT_FILTER_SETTINGS);
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if (!root)
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return;
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for (node = root->children; node != NULL; node = node->next)
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{
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if (!MOO_MARKUP_IS_ELEMENT (node))
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continue;
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if (strcmp (node->name, ELEMENT_SETTING))
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{
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g_warning ("%s: invalid '%s' element", G_STRLOC, node->name);
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continue;
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}
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load_node (store, node);
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}
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store->settings = g_slist_reverse (store->settings);
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}
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void
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_moo_edit_filter_settings_load (void)
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{
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if (settings_store)
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return;
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settings_store = filter_settings_store_new ();
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filter_settings_store_load (settings_store);
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}
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static void
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_moo_edit_filter_settings_reload (void)
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{
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if (settings_store)
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filter_settings_store_free (settings_store);
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settings_store = NULL;
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_moo_edit_filter_settings_load ();
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}
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static const char *
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_moo_edit_filter_settings_get_for_file_utf8 (const char *filename)
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{
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g_return_val_if_fail (settings_store != NULL, NULL);
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g_return_val_if_fail (filename != NULL, NULL);
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g_assert (g_utf8_validate (filename, -1, NULL));
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return filter_settings_store_get_setting (settings_store, filename);
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}
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const char *
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_moo_edit_filter_settings_get_for_file (const char *filename)
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{
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char *filename_utf8;
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const char *result;
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g_return_val_if_fail (filename != NULL, NULL);
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filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
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g_return_val_if_fail (filename_utf8 != NULL, NULL);
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result = _moo_edit_filter_settings_get_for_file_utf8 (filename_utf8);
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g_free (filename_utf8);
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return result;
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}
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static const char *
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filter_setting_match (FilterSetting *setting,
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const char *filename)
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{
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if (egg_regex_match (setting->regex, filename, 0))
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{
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if (0)
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_moo_message ("file '%s' matched pattern '%s': config '%s'",
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filename, egg_regex_get_pattern (setting->regex),
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setting->config);
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return setting->config;
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}
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return NULL;
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}
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static const char *
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filter_settings_store_get_setting (FilterSettingsStore *store,
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const char *filename)
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{
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GSList *l;
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GString *result = NULL;
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for (l = store->settings; l != NULL; l = l->next)
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{
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const char *match;
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match = filter_setting_match (l->data, filename);
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if (match)
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{
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if (!result)
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result = g_string_new (match);
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else
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g_string_append_printf (result, ";%s", match);
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}
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}
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return result ? g_string_free (result, FALSE) : NULL;
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}
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void
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_moo_edit_filter_settings_set_strings (GSList *list)
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{
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MooMarkupDoc *xml;
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MooMarkupNode *root;
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xml = moo_prefs_get_markup (MOO_PREFS_RC);
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g_return_if_fail (xml != NULL);
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root = moo_markup_get_element (MOO_MARKUP_NODE (xml),
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ELEMENT_FILTER_SETTINGS);
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if (root)
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moo_markup_delete_node (root);
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if (!list)
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{
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_moo_edit_filter_settings_reload ();
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return;
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}
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root = moo_markup_create_element (MOO_MARKUP_NODE (xml),
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ELEMENT_FILTER_SETTINGS);
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while (list)
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{
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MooMarkupNode *node;
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const char *filter, *config;
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g_return_if_fail (list->data && list->next && list->next->data);
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filter = list->data;
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config = list->next->data;
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node = moo_markup_create_element (root, ELEMENT_SETTING);
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moo_markup_set_prop (node, PROP_FILTER, filter);
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moo_markup_set_prop (node, PROP_CONFIG, config);
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list = list->next->next;
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}
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_moo_edit_filter_settings_reload ();
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}
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GSList *
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_moo_edit_filter_settings_get_strings (void)
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{
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GSList *strings = NULL, *l;
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g_return_val_if_fail (settings_store != NULL, NULL);
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for (l = settings_store->settings; l != NULL; l = l->next)
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{
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FilterSetting *setting = l->data;
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strings = g_slist_prepend (strings, g_strdup (egg_regex_get_pattern (setting->regex)));
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strings = g_slist_prepend (strings, g_strdup (setting->config));
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}
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return g_slist_reverse (strings);
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}
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