diff options
Diffstat (limited to 'src/mm-charsets.h')
| -rw-r--r-- | src/mm-charsets.h | 123 |
1 files changed, 79 insertions, 44 deletions
diff --git a/src/mm-charsets.h b/src/mm-charsets.h index a85f3dc7..3071f6be 100644 --- a/src/mm-charsets.h +++ b/src/mm-charsets.h @@ -18,63 +18,98 @@ #include <glib.h> +/*****************************************************************************************/ + typedef enum { - MM_MODEM_CHARSET_UNKNOWN = 0x00000000, - MM_MODEM_CHARSET_GSM = 0x00000001, - MM_MODEM_CHARSET_IRA = 0x00000002, - MM_MODEM_CHARSET_8859_1 = 0x00000004, - MM_MODEM_CHARSET_UTF8 = 0x00000008, - MM_MODEM_CHARSET_UCS2 = 0x00000010, - MM_MODEM_CHARSET_PCCP437 = 0x00000020, - MM_MODEM_CHARSET_PCDN = 0x00000040, - MM_MODEM_CHARSET_HEX = 0x00000080 + MM_MODEM_CHARSET_UNKNOWN = 0, + MM_MODEM_CHARSET_GSM = 1 << 0, + MM_MODEM_CHARSET_IRA = 1 << 1, + MM_MODEM_CHARSET_8859_1 = 1 << 2, + MM_MODEM_CHARSET_UTF8 = 1 << 3, + MM_MODEM_CHARSET_UCS2 = 1 << 4, + MM_MODEM_CHARSET_PCCP437 = 1 << 5, + MM_MODEM_CHARSET_PCDN = 1 << 6, + MM_MODEM_CHARSET_UTF16 = 1 << 7, } MMModemCharset; -const char *mm_modem_charset_to_string (MMModemCharset charset); +const gchar *mm_modem_charset_to_string (MMModemCharset charset); +MMModemCharset mm_modem_charset_from_string (const gchar *string); -MMModemCharset mm_modem_charset_from_string (const char *string); +/*****************************************************************************************/ -/* Append the given string to the given byte array but re-encode it - * into the given charset first. The original string is assumed to be - * UTF-8 encoded. - */ -gboolean mm_modem_charset_byte_array_append (GByteArray *array, - const char *utf8, - gboolean quoted, - MMModemCharset charset); +/* Checks whether conversion to the given charset may be done without errors */ +gboolean mm_charset_can_convert_to (const gchar *utf8, + MMModemCharset charset); -/* Take a string in hex representation ("00430052" or "A4BE11" for example) - * and convert it from the given character set to UTF-8. - */ -char *mm_modem_charset_hex_to_utf8 (const char *src, MMModemCharset charset); +guint8 *mm_charset_gsm_unpack (const guint8 *gsm, + guint32 num_septets, + guint8 start_offset, /* in bits */ + guint32 *out_unpacked_len); -/* Take a string in UTF-8 and convert it to the given charset in hex - * representation. - */ -char *mm_modem_charset_utf8_to_hex (const char *src, MMModemCharset charset); +guint8 *mm_charset_gsm_pack (const guint8 *src, + guint32 src_len, + guint8 start_offset, /* in bits */ + guint32 *out_packed_len); -guint8 *mm_charset_utf8_to_unpacked_gsm (const char *utf8, guint32 *out_len); +/*****************************************************************************************/ -guint8 *mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm, guint32 len); +/* + * Convert the given UTF-8 encoded string into the given charset. + * + * The output is given as a bytearray, because the target charset may allow + * embedded NUL bytes (e.g. UTF-16). + * + * The output encoded string is not guaranteed to be NUL-terminated, instead + * the bytearray length itself gives the correct string length. + */ +GByteArray *mm_modem_charset_bytearray_from_utf8 (const gchar *utf8, + MMModemCharset charset, + gboolean translit, + GError **error); -/* Returns the size in bytes required to hold the UTF-8 string in the given charset */ -guint mm_charset_get_encoded_len (const char *utf8, - MMModemCharset charset, - guint *out_unsupported); +/* + * Convert the given UTF-8 encoded string into the given charset. + * + * The output is given as a C string, and those charsets that allow + * embedded NUL bytes (e.g. UTF-16) will be hex-encoded. + * + * The output encoded string is guaranteed to be NUL-terminated, and so no + * explicit output length is returned. + */ +gchar *mm_modem_charset_str_from_utf8 (const gchar *utf8, + MMModemCharset charset, + gboolean translit, + GError **error); -guint8 *gsm_unpack (const guint8 *gsm, - guint32 num_septets, - guint8 start_offset, /* in bits */ - guint32 *out_unpacked_len); +/* + * Convert into an UTF-8 encoded string the input byte array, which is + * encoded in the given charset. + * + * The output string is guaranteed to be valid UTF-8 and NUL-terminated. + */ +gchar *mm_modem_charset_bytearray_to_utf8 (GByteArray *bytearray, + MMModemCharset charset, + gboolean translit, + GError **error); -guint8 *gsm_pack (const guint8 *src, - guint32 src_len, - guint8 start_offset, /* in bits */ - guint32 *out_packed_len); +/* + * Convert into an UTF-8 encoded string the input string, which is + * encoded in the given charset. Those charsets that allow embedded NUL + * bytes (e.g. UTF-16) need to be hex-encoded. + * + * If the input string is NUL-terminated, len may be given as -1; otherwise + * len needs to specify the number of valid bytes in the input string. + * + * The output string is guaranteed to be valid UTF-8 and NUL-terminated. + */ +gchar *mm_modem_charset_str_to_utf8 (const gchar *str, + gssize len, + MMModemCharset charset, + gboolean translit, + GError **error); -gchar *mm_charset_take_and_convert_to_utf8 (gchar *str, MMModemCharset charset); +/*****************************************************************************************/ -gchar *mm_utf8_take_and_convert_to_charset (gchar *str, - MMModemCharset charset); +void mm_modem_charsets_init (void); #endif /* MM_CHARSETS_H */ |