--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pidgin/smileyparser.c Mon Oct 31 01:25:36 2011 +0000 @@ -0,0 +1,169 @@ +/* pidgin + * + * Pidgin is the legal property of its developers, whose names are too numerous + * to list here. Please refer to the COPYRIGHT file distributed with this + * source distribution. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA + * + */ + +#include <gtk/gtk.h> +#include <debug.h> +#include "smileyparser.h" +#include <smiley.h> +#include <string.h> +#include "gtkthemes.h" + +static char * +get_fullpath(const char *filename) +{ + if (g_path_is_absolute(filename)) + return g_strdup(filename); + else + return g_build_path(g_get_current_dir(), filename, NULL); +} + +static void +parse_for_shortcut_plaintext(const char *text, const char *shortcut, const char *file, GString *ret) +{ + const char *tmp = text; + + for (;*tmp;) { + const char *end = strstr(tmp, shortcut); + char *path; + char *escaped_path; + + if (end == NULL) { + g_string_append(ret, tmp); + break; + } + path = get_fullpath(file); + escaped_path = g_markup_escape_text(path, -1); + + g_string_append_len(ret, tmp, end-tmp); + g_string_append_printf(ret,"<img alt='%s' src='%s' />", + shortcut, escaped_path); + g_free(path); + g_free(escaped_path); + g_assert(strlen(tmp) >= strlen(shortcut)); + tmp = end + strlen(shortcut); + } +} + +static char * +parse_for_shortcut(const char *markup, const char *shortcut, const char *file) +{ + GString* ret = g_string_new(""); + char *local_markup = g_strdup(markup); + char *escaped_shortcut = g_markup_escape_text(shortcut, -1); + + char *temp = local_markup; + + for (;*temp;) { + char *end = strchr(temp, '<'); + char *end_of_tag; + + if (!end) { + parse_for_shortcut_plaintext(temp, escaped_shortcut, file, ret); + break; + } + + *end = 0; + parse_for_shortcut_plaintext(temp, escaped_shortcut, file, ret); + *end = '<'; + + /* if this is well-formed, then there should be no '>' within + * the tag. TODO: handle a comment tag better :( */ + end_of_tag = strchr(end, '>'); + if (!end_of_tag) { + g_string_append(ret, end); + break; + } + + g_string_append_len(ret, end, end_of_tag - end + 1); + + temp = end_of_tag + 1; + } + g_free(local_markup); + g_free(escaped_shortcut); + return g_string_free(ret, FALSE); +} + +static char * +parse_for_purple_smiley(const char *markup, PurpleSmiley *smiley) +{ + char *file = purple_smiley_get_full_path(smiley); + char *ret = parse_for_shortcut(markup, purple_smiley_get_shortcut(smiley), file); + g_free(file); + return ret; +} + +static char * +parse_for_smiley_list(const char *markup, GHashTable *smileys) +{ + GHashTableIter iter; + char *key, *value; + char *ret = g_strdup(markup); + + g_hash_table_iter_init(&iter, smileys); + while (g_hash_table_iter_next(&iter, (gpointer *)&key, (gpointer *)&value)) + { + char *temp = parse_for_shortcut(ret, key, value); + g_free(ret); + ret = temp; + } + + return ret; +} + +char * +smiley_parse_markup(const char *markup, const char *proto_id) +{ + GList *smileys = purple_smileys_get_all(); + char *temp = g_strdup(markup), *temp2; + struct smiley_list *list; + const char *proto_name = "default"; + + if (proto_id != NULL) { + PurplePlugin *proto; + proto = purple_find_prpl(proto_id); + proto_name = proto->info->name; + } + + /* unnecessarily slow, but lets manage for now. */ + for (; smileys; smileys = g_list_next(smileys)) { + temp2 = parse_for_purple_smiley(temp, PURPLE_SMILEY(smileys->data)); + g_free(temp); + temp = temp2; + } + + /* now for each theme smiley, observe that this does look nasty */ + if (!current_smiley_theme || !(current_smiley_theme->list)) { + purple_debug_warning("smiley", "theme does not exist\n"); + return temp; + } + + for (list = current_smiley_theme->list; list; list = list->next) { + if (g_str_equal(list->sml, proto_name)) { + temp2 = parse_for_smiley_list(temp, list->files); + g_free(temp); + temp = temp2; + } + } + + return temp; +} +