--- /dev/null
+/* GStreamer Language Tag Utility Functions
+ * Copyright (C) 2009 Tim-Philipp Müller <tim centricular net>
+ *
+ * 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.
+ */
+
+/* mklangtables.c:
+ * little program that reads iso_639.xml and outputs tables for us as fallback
+ * for when iso-codes are not available or we fail to read the file for some
+ * reason, and so we don't have to parse the xml file just to map codes.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+#include <string.h>
+
+#define ISO_639_XML_PATH ISO_CODES_PREFIX "/share/xml/iso-codes/iso_639.xml"
+
+typedef struct
+{
+ gchar code_1[3]; /* de */
+ gchar code_2t[4]; /* deu */
+ gchar code_2b[4]; /* ger */
+ const gchar *name; /* German */
+ guint name_offset; /* offset into string table */
+} IsoLang;
+
+static GArray *languages = NULL;
+
+static void
+dump_languages (void)
+{
+ GString *names;
+ const char *s;
+ int i, num_escaped;
+
+ g_assert (languages != NULL);
+
+ names = g_string_new ("");
+
+ g_print ("/* generated by " __FILE__ " iso-codes " ISO_CODES_VERSION " */\n");
+ g_print ("\n");
+ g_print ("#include <glib.h>\n");
+ g_print ("\n");
+ g_print ("#define ISO_639_FLAG_2T (1 << 0)\n");
+ g_print ("#define ISO_639_FLAG_2B (1 << 1)\n");
+ g_print ("\n");
+ g_print ("/* *INDENT-OFF* */\n");
+ g_print ("\n");
+ g_print ("static const struct\n");
+ g_print ("{\n");
+ g_print (" const gchar iso_639_1[3];\n");
+ g_print (" const gchar iso_639_2[4];\n");
+ g_print (" guint8 flags;\n");
+ g_print (" guint16 name_offset;\n");
+ g_print ("} iso_639_codes[] = {\n");
+
+ for (i = 0, num_escaped = 0; i < languages->len; ++i) {
+ IsoLang *lang = &g_array_index (languages, IsoLang, i);
+
+ /* For now just print those where there's both a ISO-639-1 and -2 code */
+ if (lang->code_1[0] == '\0')
+ continue;
+
+ /* save current offset */
+ lang->name_offset = names->len;
+
+ /* adjust for fact that \000 is 4 chars now but will take up only 1 later */
+ lang->name_offset -= num_escaped * 3;
+
+ /* append one char at a time, making sure to escape UTF-8 characters */
+ for (s = lang->name; s != NULL && *s != '\0'; ++s) {
+ if (g_ascii_isprint (*s) && *s != '"' && *s != '\\') {
+ g_string_append_c (names, *s);
+ } else {
+ g_string_append_printf (names, "\\%03o", (unsigned char) *s);
+ ++num_escaped;
+ }
+ }
+ g_string_append (names, "\\000");
+ ++num_escaped;
+
+ g_print (" /* %s */\n", lang->name);
+ if (strcmp (lang->code_2b, lang->code_2t) == 0) {
+ g_print (" { \"%s\", \"%s\", ISO_639_FLAG_2T | ISO_639_FLAG_2B, %u },\n",
+ lang->code_1, lang->code_2t, lang->name_offset);
+ } else {
+ /* if 639-2T and 639-2B differ, put 639-2T first */
+ g_print (" { \"%s\", \"%s\", ISO_639_FLAG_2T, %u },\n",
+ lang->code_1, lang->code_2t, lang->name_offset);
+ g_print (" { \"%s\", \"%s\", ISO_639_FLAG_2B, %u },\n",
+ lang->code_1, lang->code_2b, lang->name_offset);
+ }
+ }
+
+ g_print ("};\n");
+ g_print ("\n");
+ g_print ("static const gchar iso_639_names[] =\n");
+ s = names->str;
+ while (s != NULL && *s != '\0') {
+ gchar line[74], *lastesc;
+ guint left;
+
+ left = strlen (s);
+ g_strlcpy (line, s, MIN (left, sizeof (line)));
+ s += sizeof (line) - 1;
+ /* avoid partial escaped codes at the end of a line */
+ if ((lastesc = strrchr (line, '\\')) && strlen (lastesc) < 4) {
+ s -= strlen (lastesc);
+ *lastesc = '\0';
+ }
+ g_print (" \"%s\"", line);
+ if (left < 74)
+ break;
+ g_print ("\n");
+ }
+ g_print (";\n");
+ g_print ("\n");
+ g_print ("/* *INDENT-ON* */\n");
+
+ g_string_free (names, TRUE);
+}
+
+static gboolean
+copy_attribute (gchar * dest, guint dest_len, const gchar ** attr_names,
+ const gchar ** attr_vals, const gchar * needle)
+{
+ while (attr_names != NULL && *attr_names != NULL) {
+ if (strcmp (*attr_names, needle) == 0) {
+ g_strlcpy (dest, *attr_vals, dest_len);
+ return TRUE;
+ }
+ ++attr_names;
+ ++attr_vals;
+ }
+ dest[0] = '\0';
+ return FALSE;
+}
+
+static void
+xml_start_element (GMarkupParseContext * ctx, const gchar * element_name,
+ const gchar ** attr_names, const gchar ** attr_vals,
+ gpointer user_data, GError ** error)
+{
+ gchar name[256];
+ IsoLang lang;
+
+ if (strcmp (element_name, "iso_639_entry") != 0)
+ return;
+
+ copy_attribute (lang.code_1, 3, attr_names, attr_vals, "iso_639_1_code");
+ copy_attribute (lang.code_2t, 4, attr_names, attr_vals, "iso_639_2T_code");
+ copy_attribute (lang.code_2b, 4, attr_names, attr_vals, "iso_639_2B_code");
+
+ copy_attribute (name, sizeof (name), attr_names, attr_vals, "name");
+ lang.name = g_intern_string (name);
+
+ g_array_append_val (languages, lang);
+}
+
+static void
+parse_iso_639_xml (const gchar * data, gsize len)
+{
+ GMarkupParser xml_parser = { xml_start_element, NULL, NULL, NULL, NULL };
+ GMarkupParseContext *ctx;
+ GError *err = NULL;
+
+ g_return_if_fail (g_utf8_validate (data, len, NULL));
+
+ ctx = g_markup_parse_context_new (&xml_parser, 0, NULL, NULL);
+ if (!g_markup_parse_context_parse (ctx, data, len, &err))
+ g_error ("Parsing failed: %s", err->message);
+
+ g_markup_parse_context_free (ctx);
+}
+
+static gint
+languages_sort_func (IsoLang * l1, IsoLang * l2)
+{
+ if (l1 == l2)
+ return 0;
+
+ if (l1->code_1[0] == '\0' && l2->code_1[0] != '\0')
+ return -1;
+
+ return strcmp (l1->code_1, l2->code_1);
+}
+
+int
+main (int argc, char **argv)
+{
+ GMappedFile *f;
+ gchar *xml_data;
+ gsize xml_len;
+
+ f = g_mapped_file_new (ISO_639_XML_PATH, FALSE, NULL);
+ if (f != NULL) {
+ xml_data = (gchar *) g_mapped_file_get_contents (f);
+ xml_len = g_mapped_file_get_length (f);
+ } else {
+ GError *err = NULL;
+
+ if (!g_file_get_contents (ISO_639_XML_PATH, &xml_data, &xml_len, &err))
+ g_error ("Could not read %s: %s", ISO_639_XML_PATH, err->message);
+ }
+
+ languages = g_array_new (FALSE, TRUE, sizeof (IsoLang));
+
+ parse_iso_639_xml (xml_data, xml_len);
+
+ g_array_sort (languages, (GCompareFunc) languages_sort_func);
+
+ dump_languages ();
+
+ g_array_free (languages, TRUE);
+
+ if (f != NULL)
+ g_mapped_file_unref (f);
+ else
+ g_free (xml_data);
+
+ return 0;
+}
projects / mafwsubrenderer / blobdiff