1 files changed, 75 insertions, 0 deletions
diff --git a/lib/unictype/scripts.c b/lib/unictype/scripts.c
new file mode 100644
index 0000000..092009d
--- /dev/null
+++ b/lib/unictype/scripts.c
@@ -0,0 +1,75 @@
+/* Scripts of Unicode characters.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2007.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "unictype.h"
+
+#include <string.h>
+
+#include "scripts.h"
+#include "unictype/scripts_byname.h"
+
+const uc_script_t *
+uc_script (ucs4_t uc)
+{
+  unsigned int index1 = uc >> script_header_0;
+  if (index1 < script_header_1)
+    {
+      int lookup1 = u_script.level1[index1];
+      if (lookup1 >= 0)
+	{
+	  unsigned int index2 = (uc >> script_header_2) & script_header_3;
+	  int lookup2 = u_script.level2[lookup1 + index2];
+	  if (lookup2 >= 0)
+	    {
+	      unsigned int index3 = (uc & script_header_4);
+	      unsigned char lookup3 = u_script.level3[lookup2 + index3];
+
+	      if (lookup3 != 0xff)
+		return &scripts[lookup3];
+	    }
+	}
+    }
+  return NULL;
+}
+
+const uc_script_t *
+uc_script_byname (const char *script_name)
+{
+  const struct named_script *found;
+
+  found = uc_script_lookup (script_name, strlen (script_name));
+  if (found != NULL)
+    return &scripts[found->index];
+  else
+    return NULL;
+}
+
+bool
+uc_is_script (ucs4_t uc, const uc_script_t *script)
+{
+  return uc_script (uc) == script;
+}
+
+void
+uc_all_scripts (const uc_script_t **scriptsp, size_t *countp)
+{
+  *scriptsp = scripts;
+  *countp = sizeof (scripts) / sizeof (scripts[0]);
+}