soc.2009.webkitmessageview: 1c032202: added smileyparser code.

[tdrhq at soc.pidgin.im]

-----------------------------------------------------------------
Revision: 1c032202f87d86b6627ee7db1f521bee74b604d4
Ancestor: 8d49ba25c8d4a30f8c0f94a971727f4036041db6
Author: tdrhq at soc.pidgin.im
Date: 2009-08-09T17:16:20
Branch: im.pidgin.soc.2009.webkitmessageview
URL: http://d.pidgin.im/viewmtn/revision/info/1c032202f87d86b6627ee7db1f521bee74b604d4

Added files:
        pidgin/smileyparser.c pidgin/smileyparser.h

ChangeLog: 

added smileyparser code.

-------------- next part --------------
============================================================
--- pidgin/smileyparser.c	46760d4ed882f521a99433309744f7fca4567439
+++ pidgin/smileyparser.c	46760d4ed882f521a99433309744f7fca4567439
@@ -0,0 +1,144 @@
+
+#include <gtk/gtk.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)) {
+		printf ("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;
+}
+
============================================================
--- pidgin/smileyparser.h	a550c6ff5006870418f7aaf8bad73c2220c0773d
+++ pidgin/smileyparser.h	a550c6ff5006870418f7aaf8bad73c2220c0773d
@@ -0,0 +1,3 @@
+
+char*
+smiley_parse_markup (const char* markup, const char* sml);