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Diffstat (limited to 'src/fe-gtk/sexy-iso-codes.c')
-rw-r--r-- | src/fe-gtk/sexy-iso-codes.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/fe-gtk/sexy-iso-codes.c b/src/fe-gtk/sexy-iso-codes.c new file mode 100644 index 00000000..3477cc30 --- /dev/null +++ b/src/fe-gtk/sexy-iso-codes.c @@ -0,0 +1,301 @@ +/* + * Copyright (C) 2005 Nathan Fredrickson + * Borrowed from Galeon, renamed, and simplified to only use iso-codes with no + * fallback method. + * + * Copyright (C) 2004 Christian Persch + * Copyright (C) 2004 Crispin Flowerday + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#include "../../config.h" + +#include "sexy-iso-codes.h" + +#include <glib/gi18n.h> + +#include <string.h> + +#include <libxml/xmlreader.h> + +static GHashTable *iso_639_table = NULL; +static GHashTable *iso_3166_table = NULL; + +#define ISO_639_DOMAIN "iso_639" +#define ISO_3166_DOMAIN "iso_3166" + +#ifdef HAVE_ISO_CODES + +#define ISOCODESLOCALEDIR "/share/locale" + +static void +read_iso_639_entry (xmlTextReaderPtr reader, + GHashTable *table) +{ + xmlChar *code, *name; + + code = xmlTextReaderGetAttribute (reader, (const xmlChar *) "iso_639_1_code"); + name = xmlTextReaderGetAttribute (reader, (const xmlChar *) "name"); + + /* Get iso-639-2 code */ + if (code == NULL || code[0] == '\0') + { + xmlFree (code); + /* FIXME: use the 2T or 2B code? */ + code = xmlTextReaderGetAttribute (reader, (const xmlChar *) "iso_639_2T_code"); + } + + if (code != NULL && code[0] != '\0' && name != NULL && name[0] != '\0') + { + g_hash_table_insert (table, code, name); + } + else + { + xmlFree (code); + xmlFree (name); + } +} + +static void +read_iso_3166_entry (xmlTextReaderPtr reader, + GHashTable *table) +{ + xmlChar *code, *name; + + code = xmlTextReaderGetAttribute (reader, (const xmlChar *) "alpha_2_code"); + name = xmlTextReaderGetAttribute (reader, (const xmlChar *) "name"); + + if (code != NULL && code[0] != '\0' && name != NULL && name[0] != '\0') + { + char *lcode; + + lcode = g_ascii_strdown ((char *) code, -1); + xmlFree (code); + + g_hash_table_insert (table, lcode, name); + } + else + { + xmlFree (code); + xmlFree (name); + } + +} + +typedef enum +{ + STATE_START, + STATE_STOP, + STATE_ENTRIES, +} ParserState; + +static gboolean +load_iso_entries (int iso, + GFunc read_entry_func, + gpointer user_data) +{ + xmlTextReaderPtr reader; + ParserState state = STATE_START; + xmlChar iso_entries[32], iso_entry[32]; + char *filename; + int ret = -1; + + filename = g_strdup_printf (".\\share\\xml\\iso-codes\\iso_%d.xml", iso); + reader = xmlNewTextReaderFilename (filename); + if (reader == NULL) goto out; + + xmlStrPrintf (iso_entries, sizeof (iso_entries), + (xmlChar *)"iso_%d_entries", iso); + xmlStrPrintf (iso_entry, sizeof (iso_entry), + (xmlChar *)"iso_%d_entry", iso); + + ret = xmlTextReaderRead (reader); + + while (ret == 1) + { + const xmlChar *tag; + xmlReaderTypes type; + + tag = xmlTextReaderConstName (reader); + type = xmlTextReaderNodeType (reader); + + if (state == STATE_ENTRIES && + type == XML_READER_TYPE_ELEMENT && + xmlStrEqual (tag, iso_entry)) + { + read_entry_func (reader, user_data); + } + else if (state == STATE_START && + type == XML_READER_TYPE_ELEMENT && + xmlStrEqual (tag, iso_entries)) + { + state = STATE_ENTRIES; + } + else if (state == STATE_ENTRIES && + type == XML_READER_TYPE_END_ELEMENT && + xmlStrEqual (tag, iso_entries)) + { + state = STATE_STOP; + } + else if (type == XML_READER_TYPE_SIGNIFICANT_WHITESPACE || + type == XML_READER_TYPE_WHITESPACE || + type == XML_READER_TYPE_TEXT || + type == XML_READER_TYPE_COMMENT) + { + /* eat it */ + } + else + { + /* ignore it */ + } + + ret = xmlTextReaderRead (reader); + } + + xmlFreeTextReader (reader); + +out: + if (ret < 0 || state != STATE_STOP) + { + /* This is not critical, we will fallback to our own code */ + g_free (filename); + return FALSE; + } + + g_free (filename); + + return TRUE; +} + +#endif /* HAVE_ISO_CODES */ + + +static void +ensure_iso_codes_initialised (void) +{ + static gboolean initialised = FALSE; + + if (initialised == TRUE) + { + return; + } + initialised = TRUE; + +#if defined (ENABLE_NLS) && defined (HAVE_ISO_CODES) + bindtextdomain (ISO_639_DOMAIN, ISOCODESLOCALEDIR); + bind_textdomain_codeset (ISO_639_DOMAIN, "UTF-8"); + + bindtextdomain(ISO_3166_DOMAIN, ISOCODESLOCALEDIR); + bind_textdomain_codeset (ISO_3166_DOMAIN, "UTF-8"); +#endif + + iso_639_table = g_hash_table_new_full (g_str_hash, g_str_equal, + (GDestroyNotify) xmlFree, + (GDestroyNotify) xmlFree); + + iso_3166_table = g_hash_table_new_full (g_str_hash, g_str_equal, + (GDestroyNotify) g_free, + (GDestroyNotify) xmlFree); + +#ifdef HAVE_ISO_CODES + load_iso_entries (639, (GFunc) read_iso_639_entry, iso_639_table); + load_iso_entries (3166, (GFunc) read_iso_3166_entry, iso_3166_table); +#endif +} + + +static char * +get_iso_name_for_lang_code (const char *code) +{ + char **str; + char *name = NULL; + const char *langname, *localename; + int len; + + str = g_strsplit (code, "_", -1); + + /* count the entries */ + for (len = 0; str[len]; len++ ) /* empty */; + + g_return_val_if_fail (len != 0, NULL); + + langname = (const char *) g_hash_table_lookup (iso_639_table, str[0]); + + if (len == 1 && langname != NULL) + { + name = g_strdup (dgettext (ISO_639_DOMAIN, langname)); + } + else if (len == 2 && langname != NULL) + { + localename = (const char *) g_hash_table_lookup (iso_3166_table, str[1]); + + if (localename != NULL) + { + /* translators: the first %s is the language name, and the + * second %s is the locale name. Example: + * "French (France) + * + * Also: The text before the "|" is context to help you decide on + * the correct translation. You MUST OMIT it in the translated string. + */ + name = g_strdup_printf (Q_("language|%s (%s)"), + dgettext (ISO_639_DOMAIN, langname), + dgettext (ISO_3166_DOMAIN, localename)); + } + else + { + name = g_strdup_printf (Q_("language|%s (%s)"), + dgettext (ISO_639_DOMAIN, langname), str[1]); + } + } + + g_strfreev (str); + + return name; +} + +/** + * gtkspell_iso_codes_lookup_name_for_code: + * @code: A language code, e.g. en_CA + * + * Looks up a name to display to the user for a language code, + * this might use the iso-codes package if support was compiled + * in, and it is available + * + * Returns: the UTF-8 string to display to the user, or NULL if + * a name for the code could not be found + */ +char * +gtkspell_iso_codes_lookup_name_for_code (const char *code) +{ + char * lcode; + char * ret; + + g_return_val_if_fail (code != NULL, NULL); + + ensure_iso_codes_initialised (); + + lcode = g_ascii_strdown (code, -1); + + ret = get_iso_name_for_lang_code (lcode); + + g_free (lcode); + + return ret; +} + |