pidgin/smileyparser.c

changeset 32710
e07993a28f20
parent 32513
9352b4c92d13
child 33539
12e93808f35d
--- /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;
+}
+

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