1 files changed, 142 insertions, 0 deletions
diff --git a/pango2/pangofc-language-set.c b/pango2/pangofc-language-set.c
new file mode 100644
index 00000000..1c4534c2
--- /dev/null
+++ b/pango2/pangofc-language-set.c
@@ -0,0 +1,142 @@
+/* Pango2
+ *
+ * Copyright (C) 2021 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include "pangofc-language-set-private.h"
+
+
+G_DEFINE_TYPE (Pango2FcLanguageSet, pango2_fc_language_set, PANGO2_TYPE_LANGUAGE_SET)
+
+static void
+pango2_fc_language_set_init (Pango2FcLanguageSet *self)
+{
+}
+
+static void
+pango2_fc_language_set_finalize (GObject *object)
+{
+  Pango2FcLanguageSet *self = PANGO2_FC_LANGUAGE_SET (object);
+
+  FcLangSetDestroy (self->langs);
+
+  G_OBJECT_CLASS (pango2_fc_language_set_parent_class)->finalize (object);
+}
+
+static gboolean
+pango2_fc_language_set_matches_language (Pango2LanguageSet *set,
+                                         Pango2Language    *language)
+{
+  Pango2FcLanguageSet *self = PANGO2_FC_LANGUAGE_SET (set);
+  const char *s;
+
+  if (language == pango2_language_from_string ("c"))
+    return TRUE;
+
+  if (FcLangSetHasLang (self->langs, (FcChar8 *) pango2_language_to_string (language)) != FcLangDifferentLang)
+    return TRUE;
+
+  s = pango2_language_to_string (language);
+  if (strchr (s, '-'))
+    {
+      char buf[10];
+
+      for (int i = 0; i < 10; i++)
+        {
+          buf[i] = s[i];
+          if (buf[i] == '-')
+            {
+              buf[i] = '\0';
+              break;
+            }
+        }
+      buf[9] = '\0';
+
+      if (FcLangSetHasLang (self->langs, (FcChar8 *) buf) != FcLangDifferentLang)
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
+static Pango2Language **
+pango2_fc_language_set_get_languages (Pango2LanguageSet *set)
+{
+  Pango2FcLanguageSet *self = PANGO2_FC_LANGUAGE_SET (set);
+  FcStrSet *strset;
+  FcStrList *list;
+  FcChar8 *s;
+  GPtrArray *langs;
+
+  langs = g_ptr_array_new ();
+
+  strset = FcLangSetGetLangs (self->langs);
+  list = FcStrListCreate (strset);
+
+  FcStrListFirst (list);
+  while ((s = FcStrListNext (list)))
+    g_ptr_array_add (langs, pango2_language_from_string ((const char *)s));
+
+  FcStrListDone (list);
+  FcStrSetDestroy (strset);
+
+  g_ptr_array_add (langs, NULL);
+
+  return (Pango2Language **) g_ptr_array_free (langs, FALSE);
+}
+
+static void
+pango2_fc_language_set_class_init (Pango2FcLanguageSetClass *class)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+  Pango2LanguageSetClass *language_set_class = PANGO2_LANGUAGE_SET_CLASS (class);
+
+  object_class->finalize = pango2_fc_language_set_finalize;
+
+  language_set_class->matches_language = pango2_fc_language_set_matches_language;
+  language_set_class->get_languages = pango2_fc_language_set_get_languages;
+}
+
+Pango2FcLanguageSet *
+pango2_fc_language_set_new (FcLangSet *langs)
+{
+  Pango2FcLanguageSet *self;
+
+  self = g_object_new (PANGO2_TYPE_FC_LANGUAGE_SET, NULL);
+
+  self->langs = FcLangSetCopy (langs);
+
+  return self;
+}
+
+guint
+pango2_fc_language_set_hash (const Pango2FcLanguageSet *self)
+{
+  return (guint) FcLangSetHash (self->langs);
+}
+
+gboolean
+pango2_fc_language_set_equal (const Pango2FcLanguageSet *a,
+                             const Pango2FcLanguageSet *b)
+{
+  return FcLangSetEqual (a->langs, b->langs);
+}
+
+/* vim:set foldmethod=marker expandtab: */