string-parser: move everything except for _match_smiley(), to tp-aw

empathy_string_match_smiley() depends on other files and it's not needed
by tp-account-widgets, so we can leave it in libempathy-gtk.

https://bugzilla.gnome.org/show_bug.cgi?id=699492

14 files changed, 324 insertions, 268 deletions

diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index dd6208b48..d8ea5e3ee 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -1680,7 +1680,7 @@ chat_subject_changed_cb (EmpathyChat *chat)
 			gchar *markup_topic;
 			gchar *markup_text;
 
-			markup_topic = empathy_add_link_markup (priv->subject);
+			markup_topic = tpaw_add_link_markup (priv->subject);
 			markup_text = g_strdup_printf ("<span weight=\"bold\">%s</span> %s",
 				_("Topic:"), markup_topic);
 
diff --git a/libempathy-gtk/empathy-contact-widget.c b/libempathy-gtk/empathy-contact-widget.c
index be0b745f2..d6ce3e193 100644
--- a/libempathy-gtk/empathy-contact-widget.c
+++ b/libempathy-gtk/empathy-contact-widget.c
@@ -24,11 +24,11 @@
 
 #include <glib/gi18n-lib.h>
 #include <tp-account-widgets/tpaw-builder.h>
+#include <tp-account-widgets/tpaw-string-parser.h>
 
 #include "empathy-avatar-image.h"
 #include "empathy-client-factory.h"
 #include "empathy-groups-widget.h"
-#include "empathy-string-parser.h"
 #include "empathy-ui-utils.h"
 #include "empathy-utils.h"
 
@@ -359,7 +359,7 @@ contact_widget_presence_notify_cb (EmpathyContactWidget *self)
 
   status = empathy_contact_get_status (self->priv->contact);
   if (status != NULL)
-    markup_text = empathy_add_link_markup (status);
+    markup_text = tpaw_add_link_markup (status);
   gtk_label_set_markup (GTK_LABEL (self->priv->label_status), markup_text);
   g_free (markup_text);
 
diff --git a/libempathy-gtk/empathy-contactinfo-utils.c b/libempathy-gtk/empathy-contactinfo-utils.c
index 010580254..0389e61d0 100644
--- a/libempathy-gtk/empathy-contactinfo-utils.c
+++ b/libempathy-gtk/empathy-contactinfo-utils.c
@@ -25,14 +25,14 @@
 
 #include <glib/gi18n-lib.h>
 #include <tp-account-widgets/tpaw-time.h>
+#include <tp-account-widgets/tpaw-string-parser.h>
 
-#include "empathy-string-parser.h"
 #include "empathy-ui-utils.h"
 
 static gchar *
 linkify_first_value (GStrv values)
 {
-  return empathy_add_link_markup (values[0]);
+  return tpaw_add_link_markup (values[0]);
 }
 
 static gchar *
diff --git a/libempathy-gtk/empathy-individual-widget.c b/libempathy-gtk/empathy-individual-widget.c
index 8910954f7..728f4143a 100644
--- a/libempathy-gtk/empathy-individual-widget.c
+++ b/libempathy-gtk/empathy-individual-widget.c
@@ -1302,7 +1302,7 @@ notify_presence_cb (gpointer folks_object,
     }
 
   if (message != NULL)
-    markup_text = empathy_add_link_markup (message);
+    markup_text = tpaw_add_link_markup (message);
   gtk_label_set_markup (GTK_LABEL (status_label), markup_text);
   g_free (markup_text);
 
diff --git a/libempathy-gtk/empathy-log-window.c b/libempathy-gtk/empathy-log-window.c
index fa7753e28..9f9dfcbc0 100644
--- a/libempathy-gtk/empathy-log-window.c
+++ b/libempathy-gtk/empathy-log-window.c
@@ -1266,7 +1266,7 @@ log_window_append_chat_message (TplEvent *event,
   GtkTreeIter iter, parent;
   gchar *pretty_date, *alias, *body;
   GDateTime *date;
-  EmpathyStringParser *parsers;
+  TpawStringParser *parsers;
   GString *msg;
 
   date = g_date_time_new_from_unix_local (
@@ -1285,7 +1285,7 @@ log_window_append_chat_message (TplEvent *event,
         EMPATHY_PREFS_CHAT_SHOW_SMILEYS));
   msg = g_string_new ("");
 
-  empathy_string_parser_substr (empathy_message_get_body (message), -1,
+  tpaw_string_parser_substr (empathy_message_get_body (message), -1,
       parsers, msg);
 
   if (tpl_text_event_get_message_type (TPL_TEXT_EVENT (event))
diff --git a/libempathy-gtk/empathy-string-parser.c b/libempathy-gtk/empathy-string-parser.c
index 7cbd290f3..f17fc9c03 100644
--- a/libempathy-gtk/empathy-string-parser.c
+++ b/libempathy-gtk/empathy-string-parser.c
@@ -22,103 +22,12 @@
 #include "empathy-string-parser.h"
 
 #include "empathy-smiley-manager.h"
-#include "empathy-ui-utils.h"
-
-#define SCHEMES           "([a-zA-Z\\+]+)"
-#define INVALID_CHARS     "\\s\"<>"
-#define INVALID_CHARS_EXT INVALID_CHARS "\\[\\](){},;:"
-#define INVALID_CHARS_FULL INVALID_CHARS_EXT "?'"
-#define BODY              "([^"INVALID_CHARS_FULL"])([^"INVALID_CHARS_EXT"]*)"
-#define BODY_END          "([^"INVALID_CHARS"]*)[^"INVALID_CHARS_FULL".]"
-#define URI_REGEX         "("SCHEMES"://"BODY_END")" \
-		          "|((www|ftp)\\."BODY_END")" \
-		          "|((mailto:)?"BODY"@"BODY"\\."BODY_END")"
-
-static GRegex *
-uri_regex_dup_singleton (void)
-{
-	static GRegex *uri_regex = NULL;
-
-	/* We intentionally leak the regex so it's not recomputed */
-	if (!uri_regex) {
-		GError *error = NULL;
-
-		uri_regex = g_regex_new (URI_REGEX, 0, 0, &error);
-		if (uri_regex == NULL) {
-			g_warning ("Failed to create reg exp: %s", error->message);
-			g_error_free (error);
-			return NULL;
-		}
-	}
-
-	return g_regex_ref (uri_regex);
-}
-
-void
-empathy_string_parser_substr (const gchar *text,
-			      gssize len,
-			      EmpathyStringParser *parsers,
-			      gpointer user_data)
-{
-	if (parsers != NULL && parsers[0].match_func != NULL) {
-		parsers[0].match_func (text, len,
-				       parsers[0].replace_func, parsers + 1,
-				       user_data);
-	}
-}
-
-void
-empathy_string_match_link (const gchar *text,
-			   gssize len,
-			   EmpathyStringReplace replace_func,
-			   EmpathyStringParser *sub_parsers,
-			   gpointer user_data)
-{
-	GRegex     *uri_regex;
-	GMatchInfo *match_info;
-	gboolean    match;
-	gint        last = 0;
-
-	uri_regex = uri_regex_dup_singleton ();
-	if (uri_regex == NULL) {
-		empathy_string_parser_substr (text, len, sub_parsers, user_data);
-		return;
-	}
-
-	match = g_regex_match_full (uri_regex, text, len, 0, 0, &match_info, NULL);
-	if (match) {
-		gint s = 0, e = 0;
-
-		do {
-			g_match_info_fetch_pos (match_info, 0, &s, &e);
-
-			if (s > last) {
-				/* Append the text between last link (or the
-				 * start of the message) and this link */
-				empathy_string_parser_substr (text + last,
-							      s - last,
-							      sub_parsers,
-							      user_data);
-			}
-
-			replace_func (text + s, e - s, NULL, user_data);
-
-			last = e;
-		} while (g_match_info_next (match_info, NULL));
-	}
-
-	empathy_string_parser_substr (text + last, len - last,
-				      sub_parsers, user_data);
-
-	g_match_info_free (match_info);
-	g_regex_unref (uri_regex);
-}
 
 void
 empathy_string_match_smiley (const gchar *text,
 			     gssize len,
-			     EmpathyStringReplace replace_func,
-			     EmpathyStringParser *sub_parsers,
+			     TpawStringReplace replace_func,
+			     TpawStringParser *sub_parsers,
 			     gpointer user_data)
 {
 	guint last = 0;
@@ -134,9 +43,9 @@ empathy_string_match_smiley (const gchar *text,
 		if (hit->start > last) {
 			/* Append the text between last smiley (or the
 			 * start of the message) and this smiley */
-			empathy_string_parser_substr (text + last,
-						      hit->start - last,
-						      sub_parsers, user_data);
+			tpaw_string_parser_substr (text + last,
+						   hit->start - last,
+						   sub_parsers, user_data);
 		}
 
 		replace_func (text + hit->start, hit->end - hit->start,
@@ -149,91 +58,6 @@ empathy_string_match_smiley (const gchar *text,
 	g_slist_free (hits);
 	g_object_unref (smiley_manager);
 
-	empathy_string_parser_substr (text + last, len - last,
-				      sub_parsers, user_data);
+	tpaw_string_parser_substr (text + last, len - last,
+				   sub_parsers, user_data);
 }
-
-void
-empathy_string_match_all (const gchar *text,
-			  gssize len,
-			  EmpathyStringReplace replace_func,
-			  EmpathyStringParser *sub_parsers,
-			  gpointer user_data)
-{
-	replace_func (text, len, NULL, user_data);
-}
-
-void
-empathy_string_replace_link (const gchar *text,
-                             gssize len,
-                             gpointer match_data,
-                             gpointer user_data)
-{
-	GString *string = user_data;
-	gchar *real_url;
-	gchar *title;
-	gchar *markup;
-
-	real_url = empathy_make_absolute_url_len (text, len);
-
-	/* Need to copy manually, because g_markup_printf_escaped does not work
-	 * with string precision pitfalls. */
-	title = g_strndup (text, len);
-
-	/* Append the link inside <a href=""></a> tag */
-	markup = g_markup_printf_escaped ("<a href=\"%s\">%s</a>",
-			real_url, title);
-
-	g_string_append (string, markup);
-
-	g_free (real_url);
-	g_free (title);
-	g_free (markup);
-}
-
-void
-empathy_string_replace_escaped (const gchar *text,
-				gssize len,
-				gpointer match_data,
-				gpointer user_data)
-{
-	GString *string = user_data;
-	gchar *escaped;
-	guint i;
-	gsize escaped_len, old_len;
-
-	escaped = g_markup_escape_text (text, len);
-	escaped_len = strlen (escaped);
-
-	/* Allocate more space to string (we really need a g_string_extend...) */
-	old_len = string->len;
-	g_string_set_size (string, old_len + escaped_len);
-	g_string_truncate (string, old_len);
-
-	/* Remove '\r' */
-	for (i = 0; i < escaped_len; i++) {
-		if (escaped[i] != '\r')
-			g_string_append_c (string, escaped[i]);
-	}
-
-	g_free (escaped);
-}
-
-gchar *
-empathy_add_link_markup (const gchar *text)
-{
-	EmpathyStringParser parsers[] = {
-		{empathy_string_match_link, empathy_string_replace_link},
-		{empathy_string_match_all, empathy_string_replace_escaped},
-		{NULL, NULL}
-	};
-	GString *string;
-
-	g_return_val_if_fail (text != NULL, NULL);
-
-	string = g_string_sized_new (strlen (text));
-	empathy_string_parser_substr (text, -1, parsers, string);
-
-	return g_string_free (string, FALSE);
-}
-
diff --git a/libempathy-gtk/empathy-string-parser.h b/libempathy-gtk/empathy-string-parser.h
index 78a822652..57b784aeb 100644
--- a/libempathy-gtk/empathy-string-parser.h
+++ b/libempathy-gtk/empathy-string-parser.h
@@ -22,71 +22,17 @@
 #define __EMPATHY_STRING_PARSER_H__
 
 #include <glib.h>
+#include <tp-account-widgets/tpaw-string-parser.h>
 
 G_BEGIN_DECLS
 
-typedef struct _EmpathyStringParser EmpathyStringParser;
-
-typedef void (*EmpathyStringReplace) (const gchar *text,
-				      gssize len,
-				      gpointer match_data,
-				      gpointer user_data);
-typedef void (*EmpathyStringMatch) (const gchar *text,
-				    gssize len,
-				    EmpathyStringReplace replace_func,
-				    EmpathyStringParser *sub_parsers,
-				    gpointer user_data);
-
-struct _EmpathyStringParser {
-	EmpathyStringMatch match_func;
-	EmpathyStringReplace replace_func;
-};
-
-void
-empathy_string_parser_substr (const gchar *text,
-			      gssize len,
-			      EmpathyStringParser *parsers,
-			      gpointer user_data);
-
-void
-empathy_string_match_link (const gchar *text,
-			   gssize len,
-			   EmpathyStringReplace replace_func,
-			   EmpathyStringParser *sub_parsers,
-			   gpointer user_data);
-
 void
 empathy_string_match_smiley (const gchar *text,
 			     gssize len,
-			     EmpathyStringReplace replace_func,
-			     EmpathyStringParser *sub_parsers,
+			     TpawStringReplace replace_func,
+			     TpawStringParser *sub_parsers,
 			     gpointer user_data);
 
-void
-empathy_string_match_all (const gchar *text,
-			  gssize len,
-			  EmpathyStringReplace replace_func,
-			  EmpathyStringParser *sub_parsers,
-			  gpointer user_data);
-
-/* Replace functions assume user_data is a GString */
-void
-empathy_string_replace_link (const gchar *text,
-                             gssize len,
-                             gpointer match_data,
-                             gpointer user_data);
-
-void
-empathy_string_replace_escaped (const gchar *text,
-				gssize len,
-				gpointer match_data,
-				gpointer user_data);
-
-/* Returns a new string with <a> html tag around links, and escape the rest.
- * To be used with gtk_label_set_markup() for example */
-gchar *
-empathy_add_link_markup (const gchar *text);
-
 G_END_DECLS
 
 #endif /*  __EMPATHY_STRING_PARSER_H__ */
diff --git a/libempathy-gtk/empathy-theme-adium.c b/libempathy-gtk/empathy-theme-adium.c
index 05b166180..721a0b4e5 100644
--- a/libempathy-gtk/empathy-theme-adium.c
+++ b/libempathy-gtk/empathy-theme-adium.c
@@ -249,7 +249,7 @@ theme_adium_parse_body (EmpathyThemeAdium *self,
   const gchar *text,
   const gchar *token)
 {
-  EmpathyStringParser *parsers;
+  TpawStringParser *parsers;
   GString *string;
 
   /* Check if we have to parse smileys */
@@ -269,7 +269,7 @@ theme_adium_parse_body (EmpathyThemeAdium *self,
       "<span id=\"message-token-%s\">",
       token);
 
-  empathy_string_parser_substr (text, -1, parsers, string);
+  tpaw_string_parser_substr (text, -1, parsers, string);
 
   if (!tp_str_empty (token))
     g_string_append (string, "</span>");
diff --git a/libempathy-gtk/empathy-webkit-utils.c b/libempathy-gtk/empathy-webkit-utils.c
index 0fc319088..90dc28c17 100644
--- a/libempathy-gtk/empathy-webkit-utils.c
+++ b/libempathy-gtk/empathy-webkit-utils.c
@@ -24,6 +24,7 @@
 #include <glib/gi18n-lib.h>
 
 #include "empathy-smiley-manager.h"
+#include "empathy-string-parser.h"
 #include "empathy-theme-adium.h"
 #include "empathy-ui-utils.h"
 
@@ -32,8 +33,8 @@
 static void
 empathy_webkit_match_newline (const gchar *text,
     gssize len,
-    EmpathyStringReplace replace_func,
-    EmpathyStringParser *sub_parsers,
+    TpawStringReplace replace_func,
+    TpawStringParser *sub_parsers,
     gpointer user_data)
 {
   GString *string = user_data;
@@ -48,14 +49,14 @@ empathy_webkit_match_newline (const gchar *text,
     {
       if (text[i] == '\n')
         {
-          empathy_string_parser_substr (text + prev, i - prev,
+          tpaw_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,
+  tpaw_string_parser_substr (text + prev, i - prev,
               sub_parsers, user_data);
 }
 
@@ -74,22 +75,22 @@ empathy_webkit_replace_smiley (const gchar *text,
       hit->path, (int)len, text, (int)len, text);
 }
 
-static EmpathyStringParser string_parsers[] = {
-  { empathy_string_match_link, empathy_string_replace_link },
+static TpawStringParser string_parsers[] = {
+  { tpaw_string_match_link, tpaw_string_replace_link },
   { empathy_webkit_match_newline, NULL },
-  { empathy_string_match_all, empathy_string_replace_escaped },
+  { tpaw_string_match_all, tpaw_string_replace_escaped },
   { NULL, NULL}
 };
 
-static EmpathyStringParser string_parsers_with_smiley[] = {
-  { empathy_string_match_link, empathy_string_replace_link },
+static TpawStringParser string_parsers_with_smiley[] = {
+  { tpaw_string_match_link, tpaw_string_replace_link },
   { empathy_string_match_smiley, empathy_webkit_replace_smiley },
   { empathy_webkit_match_newline, NULL },
-  { empathy_string_match_all, empathy_string_replace_escaped },
+  { tpaw_string_match_all, tpaw_string_replace_escaped },
   { NULL, NULL }
 };
 
-EmpathyStringParser *
+TpawStringParser *
 empathy_webkit_get_string_parser (gboolean smileys)
 {
   if (smileys)
diff --git a/libempathy-gtk/empathy-webkit-utils.h b/libempathy-gtk/empathy-webkit-utils.h
index 034e3bf55..98fdc4dcb 100644
--- a/libempathy-gtk/empathy-webkit-utils.h
+++ b/libempathy-gtk/empathy-webkit-utils.h
@@ -21,10 +21,9 @@
 #ifndef _EMPATHY_WEBKIT_UTILS__H_
 #define _EMPATHY_WEBKIT_UTILS__H_
 
+#include <tp-account-widgets/tpaw-string-parser.h>
 #include <webkit/webkit.h>
 
-#include "empathy-string-parser.h"
-
 G_BEGIN_DECLS
 
 typedef enum {
@@ -32,7 +31,7 @@ typedef enum {
     EMPATHY_WEBKIT_MENU_INSPECT = 1 << 1,
 } EmpathyWebKitMenuFlags;
 
-EmpathyStringParser * empathy_webkit_get_string_parser (gboolean smileys);
+TpawStringParser * empathy_webkit_get_string_parser (gboolean smileys);
 
 void empathy_webkit_bind_font_setting (WebKitWebView *webview,
     GSettings *gsettings,
diff --git a/tests/empathy-parser-test.c b/tests/empathy-parser-test.c
index 0cf037444..843bf368c 100644
--- a/tests/empathy-parser-test.c
+++ b/tests/empathy-parser-test.c
@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <telepathy-glib/telepathy-glib.h>
+#include <tp-account-widgets/tpaw-string-parser.h>
 
 #include "empathy-string-parser.h"
 #include "test-helper.h"
@@ -95,11 +96,11 @@ test_parsers (void)
 
       NULL, NULL
     };
-  EmpathyStringParser parsers[] =
+  TpawStringParser parsers[] =
     {
-      {empathy_string_match_link, test_replace_match},
+      {tpaw_string_match_link, test_replace_match},
       {empathy_string_match_smiley, test_replace_match},
-      {empathy_string_match_all, empathy_string_replace_escaped},
+      {tpaw_string_match_all, tpaw_string_replace_escaped},
       {NULL, NULL}
     };
   guint i;
@@ -111,7 +112,7 @@ test_parsers (void)
       gboolean ok;
 
       string = g_string_new (NULL);
-      empathy_string_parser_substr (tests[i], -1, parsers, string);
+      tpaw_string_parser_substr (tests[i], -1, parsers, string);
 
       ok = !tp_strdiff (tests[i + 1], string->str);
       DEBUG ("'%s' => '%s': %s", tests[i], string->str, ok ? "OK" : "FAILED");
diff --git a/tp-account-widgets/Makefile.am b/tp-account-widgets/Makefile.am
index 6887ab2ca..9aee73442 100644
--- a/tp-account-widgets/Makefile.am
+++ b/tp-account-widgets/Makefile.am
@@ -31,6 +31,7 @@ libtp_account_widgets_sources =            	\
 	tpaw-irc-network.c			\
 	tpaw-irc-server.c			\
 	tpaw-live-search.c			\
+	tpaw-string-parser.c			\
 	tpaw-time.c				\
 	tpaw-utils.c				\
 	totem-subtitle-encoding.c		\
@@ -51,6 +52,7 @@ libtp_account_widgets_headers =			\
 	tpaw-irc-network.h			\
 	tpaw-irc-server.h			\
 	tpaw-live-search.h			\
+	tpaw-string-parser.h			\
 	tpaw-time.h				\
 	tpaw-utils.h				\
 	totem-subtitle-encoding.h		\
diff --git a/tp-account-widgets/tpaw-string-parser.c b/tp-account-widgets/tpaw-string-parser.c
new file mode 100644
index 000000000..172a76303
--- /dev/null
+++ b/tp-account-widgets/tpaw-string-parser.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2010 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 "config.h"
+#include "tpaw-string-parser.h"
+
+#include "empathy-ui-utils.h"
+
+#define SCHEMES           "([a-zA-Z\\+]+)"
+#define INVALID_CHARS     "\\s\"<>"
+#define INVALID_CHARS_EXT INVALID_CHARS "\\[\\](){},;:"
+#define INVALID_CHARS_FULL INVALID_CHARS_EXT "?'"
+#define BODY              "([^"INVALID_CHARS_FULL"])([^"INVALID_CHARS_EXT"]*)"
+#define BODY_END          "([^"INVALID_CHARS"]*)[^"INVALID_CHARS_FULL".]"
+#define URI_REGEX         "("SCHEMES"://"BODY_END")" \
+		          "|((www|ftp)\\."BODY_END")" \
+		          "|((mailto:)?"BODY"@"BODY"\\."BODY_END")"
+
+static GRegex *
+uri_regex_dup_singleton (void)
+{
+	static GRegex *uri_regex = NULL;
+
+	/* We intentionally leak the regex so it's not recomputed */
+	if (!uri_regex) {
+		GError *error = NULL;
+
+		uri_regex = g_regex_new (URI_REGEX, 0, 0, &error);
+		if (uri_regex == NULL) {
+			g_warning ("Failed to create reg exp: %s", error->message);
+			g_error_free (error);
+			return NULL;
+		}
+	}
+
+	return g_regex_ref (uri_regex);
+}
+
+void
+tpaw_string_parser_substr (const gchar *text,
+			      gssize len,
+			      TpawStringParser *parsers,
+			      gpointer user_data)
+{
+	if (parsers != NULL && parsers[0].match_func != NULL) {
+		parsers[0].match_func (text, len,
+				       parsers[0].replace_func, parsers + 1,
+				       user_data);
+	}
+}
+
+void
+tpaw_string_match_link (const gchar *text,
+			   gssize len,
+			   TpawStringReplace replace_func,
+			   TpawStringParser *sub_parsers,
+			   gpointer user_data)
+{
+	GRegex     *uri_regex;
+	GMatchInfo *match_info;
+	gboolean    match;
+	gint        last = 0;
+
+	uri_regex = uri_regex_dup_singleton ();
+	if (uri_regex == NULL) {
+		tpaw_string_parser_substr (text, len, sub_parsers, user_data);
+		return;
+	}
+
+	match = g_regex_match_full (uri_regex, text, len, 0, 0, &match_info, NULL);
+	if (match) {
+		gint s = 0, e = 0;
+
+		do {
+			g_match_info_fetch_pos (match_info, 0, &s, &e);
+
+			if (s > last) {
+				/* Append the text between last link (or the
+				 * start of the message) and this link */
+				tpaw_string_parser_substr (text + last,
+							      s - last,
+							      sub_parsers,
+							      user_data);
+			}
+
+			replace_func (text + s, e - s, NULL, user_data);
+
+			last = e;
+		} while (g_match_info_next (match_info, NULL));
+	}
+
+	tpaw_string_parser_substr (text + last, len - last,
+				      sub_parsers, user_data);
+
+	g_match_info_free (match_info);
+	g_regex_unref (uri_regex);
+}
+
+void
+tpaw_string_match_all (const gchar *text,
+			  gssize len,
+			  TpawStringReplace replace_func,
+			  TpawStringParser *sub_parsers,
+			  gpointer user_data)
+{
+	replace_func (text, len, NULL, user_data);
+}
+
+void
+tpaw_string_replace_link (const gchar *text,
+                             gssize len,
+                             gpointer match_data,
+                             gpointer user_data)
+{
+	GString *string = user_data;
+	gchar *real_url;
+	gchar *title;
+	gchar *markup;
+
+	real_url = empathy_make_absolute_url_len (text, len);
+
+	/* Need to copy manually, because g_markup_printf_escaped does not work
+	 * with string precision pitfalls. */
+	title = g_strndup (text, len);
+
+	/* Append the link inside <a href=""></a> tag */
+	markup = g_markup_printf_escaped ("<a href=\"%s\">%s</a>",
+			real_url, title);
+
+	g_string_append (string, markup);
+
+	g_free (real_url);
+	g_free (title);
+	g_free (markup);
+}
+
+void
+tpaw_string_replace_escaped (const gchar *text,
+				gssize len,
+				gpointer match_data,
+				gpointer user_data)
+{
+	GString *string = user_data;
+	gchar *escaped;
+	guint i;
+	gsize escaped_len, old_len;
+
+	escaped = g_markup_escape_text (text, len);
+	escaped_len = strlen (escaped);
+
+	/* Allocate more space to string (we really need a g_string_extend...) */
+	old_len = string->len;
+	g_string_set_size (string, old_len + escaped_len);
+	g_string_truncate (string, old_len);
+
+	/* Remove '\r' */
+	for (i = 0; i < escaped_len; i++) {
+		if (escaped[i] != '\r')
+			g_string_append_c (string, escaped[i]);
+	}
+
+	g_free (escaped);
+}
+
+gchar *
+tpaw_add_link_markup (const gchar *text)
+{
+	TpawStringParser parsers[] = {
+		{tpaw_string_match_link, tpaw_string_replace_link},
+		{tpaw_string_match_all, tpaw_string_replace_escaped},
+		{NULL, NULL}
+	};
+	GString *string;
+
+	g_return_val_if_fail (text != NULL, NULL);
+
+	string = g_string_sized_new (strlen (text));
+	tpaw_string_parser_substr (text, -1, parsers, string);
+
+	return g_string_free (string, FALSE);
+}
diff --git a/tp-account-widgets/tpaw-string-parser.h b/tp-account-widgets/tpaw-string-parser.h
new file mode 100644
index 000000000..629fa4114
--- /dev/null
+++ b/tp-account-widgets/tpaw-string-parser.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2010 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>
+ */
+
+#ifndef __TPAW_STRING_PARSER_H__
+#define __TPAW_STRING_PARSER_H__
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef struct _TpawStringParser TpawStringParser;
+
+typedef void (*TpawStringReplace) (const gchar *text,
+				   gssize len,
+				   gpointer match_data,
+				   gpointer user_data);
+typedef void (*TpawStringMatch) (const gchar *text,
+				 gssize len,
+				 TpawStringReplace replace_func,
+				 TpawStringParser *sub_parsers,
+				 gpointer user_data);
+
+struct _TpawStringParser {
+	TpawStringMatch match_func;
+	TpawStringReplace replace_func;
+};
+
+void
+tpaw_string_parser_substr (const gchar *text,
+			   gssize len,
+			   TpawStringParser *parsers,
+			   gpointer user_data);
+
+void
+tpaw_string_match_link (const gchar *text,
+			gssize len,
+			TpawStringReplace replace_func,
+			TpawStringParser *sub_parsers,
+			gpointer user_data);
+
+void
+tpaw_string_match_all (const gchar *text,
+		       gssize len,
+		       TpawStringReplace replace_func,
+		       TpawStringParser *sub_parsers,
+		       gpointer user_data);
+
+/* Replace functions assume user_data is a GString */
+void
+tpaw_string_replace_link (const gchar *text,
+			  gssize len,
+			  gpointer match_data,
+			  gpointer user_data);
+
+void
+tpaw_string_replace_escaped (const gchar *text,
+			     gssize len,
+			     gpointer match_data,
+			     gpointer user_data);
+
+/* Returns a new string with <a> html tag around links, and escape the rest.
+ * To be used with gtk_label_set_markup() for example */
+gchar *
+tpaw_add_link_markup (const gchar *text);
+
+G_END_DECLS
+
+#endif /*  __TPAW_STRING_PARSER_H__ */