Move empathy_string_parser API to its own file

1 files changed, 131 insertions, 0 deletions

diff --git a/libempathy-gtk/empathy-string-parser.c b/libempathy-gtk/empathy-string-parser.c
new file mode 100644
index 000000000..9d0163e8e
--- /dev/null
+++ b/libempathy-gtk/empathy-string-parser.c
@@ -0,0 +1,131 @@
+/*
+ * 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 <string.h>
+
+#include "empathy-string-parser.h"
+#include "empathy-smiley-manager.h"
+
+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 = empathy_uri_regex_dup_singleton ();
+	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,
+			     gpointer user_data)
+{
+	guint last = 0;
+	EmpathySmileyManager *smiley_manager;
+	GSList *hits, *l;
+
+	smiley_manager = empathy_smiley_manager_dup_singleton ();
+	hits = empathy_smiley_manager_parse_len (smiley_manager, text, len);
+
+	for (l = hits; l; l = l->next) {
+		EmpathySmileyHit *hit = l->data;
+
+		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);
+		}
+
+		replace_func (text + hit->start, hit->end - hit->start,
+			      hit, user_data);
+
+		last = hit->end;
+
+		empathy_smiley_hit_free (hit);
+	}
+	g_slist_free (hits);
+	g_object_unref (smiley_manager);
+
+	empathy_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);
+}
+