1 files changed, 72 insertions, 0 deletions
diff --git a/pango/css/gtkcssserializer.c b/pango/css/gtkcssserializer.c
new file mode 100644
index 00000000..d939f38c
--- /dev/null
+++ b/pango/css/gtkcssserializer.c
@@ -0,0 +1,72 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
+ *
+ * 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 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gtkcssserializerprivate.h"
+
+/* Escape a string so that it can be parsed
+ * as a css string again.
+ */
+void
+gtk_css_print_string (GString    *str,
+                      const char *string,
+                      gboolean    multiline)
+{
+  gsize len;
+
+  g_return_if_fail (str != NULL);
+  g_return_if_fail (string != NULL);
+
+  g_string_append_c (str, '"');
+
+  do {
+    len = strcspn (string, "\\\"\n\r\f");
+    g_string_append_len (str, string, len);
+    string += len;
+    switch (*string)
+      {
+      case '\0':
+        goto out;
+      case '\n':
+        if (multiline)
+          g_string_append (str, "\\A\\\n");
+        else
+          g_string_append (str, "\\A ");
+        break;
+      case '\r':
+        g_string_append (str, "\\D ");
+        break;
+      case '\f':
+        g_string_append (str, "\\C ");
+        break;
+      case '\"':
+        g_string_append (str, "\\\"");
+        break;
+      case '\\':
+        g_string_append (str, "\\\\");
+        break;
+      default:
+        g_assert_not_reached ();
+        break;
+      }
+    string++;
+  } while (*string);
+
+out:
+  g_string_append_c (str, '"');
+}