diff options
Diffstat (limited to 'src/mm-charsets.c')
| -rw-r--r-- | src/mm-charsets.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/mm-charsets.c b/src/mm-charsets.c new file mode 100644 index 0000000..c75c3a9 --- /dev/null +++ b/src/mm-charsets.c @@ -0,0 +1,175 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details: + * + * Copyright (C) 2010 Red Hat, Inc. + */ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> + +#include "mm-charsets.h" +#include "mm-utils.h" + +typedef struct { + const char *gsm_name; + const char *other_name; + const char *iconv_from_name; + const char *iconv_to_name; + MMModemCharset charset; +} CharsetEntry; + +static CharsetEntry charset_map[] = { + { "UTF-8", "UTF8", "UTF-8", "UTF-8//TRANSLIT", MM_MODEM_CHARSET_UTF8 }, + { "UCS2", NULL, "UCS-2BE", "UCS-2BE//TRANSLIT", MM_MODEM_CHARSET_UCS2 }, + { "IRA", "ASCII", "ASCII", "ASCII//TRANSLIT", MM_MODEM_CHARSET_IRA }, + { "GSM", NULL, NULL, NULL, MM_MODEM_CHARSET_GSM }, + { "8859-1", NULL, "ISO8859-1", "ISO8859-1//TRANSLIT", MM_MODEM_CHARSET_8859_1 }, + { "PCCP437", NULL, NULL, NULL, MM_MODEM_CHARSET_PCCP437 }, + { "PCDN", NULL, NULL, NULL, MM_MODEM_CHARSET_PCDN }, + { "HEX", NULL, NULL, NULL, MM_MODEM_CHARSET_HEX }, + { NULL, NULL, NULL, NULL, MM_MODEM_CHARSET_UNKNOWN } +}; + +const char * +mm_modem_charset_to_string (MMModemCharset charset) +{ + CharsetEntry *iter = &charset_map[0]; + + g_return_val_if_fail (charset != MM_MODEM_CHARSET_UNKNOWN, NULL); + + while (iter->gsm_name) { + if (iter->charset == charset) + return iter->gsm_name; + iter++; + } + g_warn_if_reached (); + return NULL; +} + +MMModemCharset +mm_modem_charset_from_string (const char *string) +{ + CharsetEntry *iter = &charset_map[0]; + + g_return_val_if_fail (string != NULL, MM_MODEM_CHARSET_UNKNOWN); + + while (iter->gsm_name) { + if (strcasestr (string, iter->gsm_name)) + return iter->charset; + if (iter->other_name && strcasestr (string, iter->other_name)) + return iter->charset; + iter++; + } + return MM_MODEM_CHARSET_UNKNOWN; +} + +static const char * +charset_iconv_to (MMModemCharset charset) +{ + CharsetEntry *iter = &charset_map[0]; + + g_return_val_if_fail (charset != MM_MODEM_CHARSET_UNKNOWN, NULL); + + while (iter->gsm_name) { + if (iter->charset == charset) + return iter->iconv_to_name; + iter++; + } + g_warn_if_reached (); + return NULL; +} + +static const char * +charset_iconv_from (MMModemCharset charset) +{ + CharsetEntry *iter = &charset_map[0]; + + g_return_val_if_fail (charset != MM_MODEM_CHARSET_UNKNOWN, NULL); + + while (iter->gsm_name) { + if (iter->charset == charset) + return iter->iconv_from_name; + iter++; + } + g_warn_if_reached (); + return NULL; +} + +gboolean +mm_modem_charset_byte_array_append (GByteArray *array, + const char *string, + gboolean quoted, + MMModemCharset charset) +{ + const char *iconv_to; + char *converted; + GError *error = NULL; + gsize written = 0; + + g_return_val_if_fail (array != NULL, FALSE); + g_return_val_if_fail (string != NULL, FALSE); + + iconv_to = charset_iconv_to (charset); + g_return_val_if_fail (iconv_to != NULL, FALSE); + + converted = g_convert (string, + g_utf8_strlen (string, -1), + iconv_to, + "UTF-8", + NULL, + &written, + &error); + if (!converted) { + if (error) { + g_warning ("%s: failed to convert '%s' to %s character set: (%d) %s", + __func__, string, iconv_to, + error->code, error->message); + g_error_free (error); + } + return FALSE; + } + + if (quoted) + g_byte_array_append (array, (const guint8 *) "\"", 1); + g_byte_array_append (array, (const guint8 *) converted, written); + if (quoted) + g_byte_array_append (array, (const guint8 *) "\"", 1); + + g_free (converted); + return TRUE; +} + +char * +mm_modem_charset_hex_to_utf8 (const char *src, MMModemCharset charset) +{ + char *unconverted; + const char *iconv_from; + gsize unconverted_len = 0; + + g_return_val_if_fail (src != NULL, NULL); + g_return_val_if_fail (charset != MM_MODEM_CHARSET_UNKNOWN, NULL); + + iconv_from = charset_iconv_from (charset); + g_return_val_if_fail (iconv_from != NULL, FALSE); + + unconverted = utils_hexstr2bin (src, &unconverted_len); + g_return_val_if_fail (unconverted != NULL, NULL); + + if (charset == MM_MODEM_CHARSET_UTF8 || charset == MM_MODEM_CHARSET_IRA) + return unconverted; + + return g_convert (unconverted, unconverted_len, "UTF-8//TRANSLIT", iconv_from, NULL, NULL, NULL); +} + |