Abstract WebKit string parsers into empathy-webkit-utils

This file is currently optionally built, but if the logviewer is going to
depend on WebKit, maybe that's a bad idea? Maybe we should just make WebKit
required (this will probably happen when we require Adium themes in the future).

1 files changed, 91 insertions, 0 deletions

diff --git a/libempathy-gtk/empathy-webkit-utils.c b/libempathy-gtk/empathy-webkit-utils.c
new file mode 100644
index 000000000..e5d163ae2
--- /dev/null
+++ b/libempathy-gtk/empathy-webkit-utils.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2008-2009 Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Authors: Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "empathy-webkit-utils.h"
+#include "empathy-smiley-manager.h"
+
+static void
+empathy_webkit_match_newline (const gchar *text,
+    gssize len,
+    EmpathyStringReplace replace_func,
+    EmpathyStringParser *sub_parsers,
+    gpointer user_data)
+{
+  GString *string = user_data;
+  gint i;
+  gint prev = 0;
+
+  if (len < 0)
+    len = G_MAXSSIZE;
+
+  /* Replace \n by <br/> */
+  for (i = 0; i < len && text[i] != '\0'; i++)
+    {
+      if (text[i] == '\n')
+        {
+          empathy_string_parser_substr (text + prev, i - prev,
+              sub_parsers, user_data);
+          g_string_append (string, "<br/>");
+          prev = i + 1;
+        }
+    }
+
+  empathy_string_parser_substr (text + prev, i - prev,
+              sub_parsers, user_data);
+}
+
+static void
+empathy_webkit_replace_smiley (const gchar *text,
+    gssize len,
+    gpointer match_data,
+    gpointer user_data)
+{
+  EmpathySmileyHit *hit = match_data;
+  GString *string = user_data;
+
+  /* Replace smiley by a <img/> tag */
+  g_string_append_printf (string,
+      "<img src=\"%s\" alt=\"%.*s\" title=\"%.*s\"/>",
+      hit->path, (int)len, text, (int)len, text);
+}
+
+static EmpathyStringParser string_parsers[] = {
+  { empathy_string_match_link, empathy_string_replace_link },
+  { empathy_webkit_match_newline, NULL },
+  { empathy_string_match_all, empathy_string_replace_escaped },
+  { NULL, NULL}
+};
+
+static EmpathyStringParser string_parsers_with_smiley[] = {
+  { empathy_string_match_link, empathy_string_replace_link },
+  { empathy_string_match_smiley, empathy_webkit_replace_smiley },
+  { empathy_webkit_match_newline, NULL },
+  { empathy_string_match_all, empathy_string_replace_escaped },
+  { NULL, NULL }
+};
+
+EmpathyStringParser *
+empathy_webkit_get_string_parser (gboolean smileys)
+{
+  if (smileys)
+    return string_parsers_with_smiley;
+  else
+    return string_parsers;
+}