/* Copies an UTF-8 string from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_utf8_string_copy_from_utf32(
libuna_utf8_character_t *utf8_string,
size_t utf8_string_size,
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
liberror_error_t **error )
{
static char *function = "libuna_utf8_string_copy_from_utf32";
size_t utf8_string_iterator = 0;
size_t utf32_string_iterator = 0;
libuna_unicode_character_t unicode_character = 0;
if( utf8_string == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-8 string.",
function );
return( -1 );
}
if( utf8_string_size > (size_t) SSIZE_MAX )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-8 string size value exceeds maximum.",
function );
return( -1 );
}
if( utf32_string == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 string.",
function );
return( -1 );
}
if( utf32_string_size > (size_t) SSIZE_MAX )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 string size value exceeds maximum.",
function );
return( -1 );
}
while( utf32_string_iterator < utf32_string_size )
{
/* Convert the UTF-32 character bytes into a Unicode character
*/
if( libuna_unicode_character_copy_from_utf32(
&unicode_character,
utf32_string,
utf32_string_size,
&utf32_string_iterator,
error ) != 1 )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_CONVERSION,
LIBERROR_CONVERSION_ERROR_INPUT_FAILED,
"%s: unable to copy Unicode character from UTF-32.",
function );
return( -1 );
}
/* Convert the Unicode character into UTF-8 character bytes
*/
if( libuna_unicode_character_copy_to_utf8(
unicode_character,
utf8_string,
utf8_string_size,
&utf8_string_iterator,
error ) != 1 )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_CONVERSION,
LIBERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy Unicode character to UTF-8.",
function );
return( -1 );
}
}
return( 1 );
}
/* Copies a byte stream from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_byte_stream_copy_from_utf32(
uint8_t *byte_stream,
size_t byte_stream_size,
int codepage,
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
libcerror_error_t **error )
{
static char *function = "libuna_byte_stream_copy_from_utf32";
size_t byte_stream_index = 0;
size_t utf32_string_index = 0;
libuna_unicode_character_t unicode_character = 0;
if( byte_stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid byte stream.",
function );
return( -1 );
}
if( byte_stream_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid byte stream size value exceeds maximum.",
function );
return( -1 );
}
if( utf32_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 string.",
function );
return( -1 );
}
if( utf32_string_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 string size value exceeds maximum.",
function );
return( -1 );
}
while( utf32_string_index < utf32_string_size )
{
/* Convert the UTF-32 string bytes into a Unicode character
*/
if( libuna_unicode_character_copy_from_utf32(
&unicode_character,
utf32_string,
utf32_string_size,
&utf32_string_index,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_INPUT_FAILED,
"%s: unable to copy Unicode character from UTF-32 string.",
function );
return( -1 );
}
/* Convert the Unicode character into a byte stream
*/
if( libuna_unicode_character_copy_to_byte_stream(
unicode_character,
byte_stream,
byte_stream_size,
&byte_stream_index,
codepage,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy Unicode character to byte stream.",
function );
return( -1 );
}
}
return( 1 );
}
/* Determines the size of an UTF-32 stream from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_utf32_stream_size_from_utf32(
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
size_t *utf32_stream_size,
libcerror_error_t **error )
{
static char *function = "libuna_utf32_stream_size_from_utf32";
libuna_unicode_character_t unicode_character = 0;
size_t utf32_string_index = 0;
if( utf32_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 string.",
function );
return( -1 );
}
if( utf32_string_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 string size value exceeds maximum.",
function );
return( -1 );
}
if( utf32_stream_size == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 stream size.",
function );
return( -1 );
}
/* Add the byte order mark
*/
*utf32_stream_size = 1;
while( utf32_string_index < utf32_string_size )
{
/* Convert the UTF-32 character bytes into an Unicode character
*/
if( libuna_unicode_character_copy_from_utf32(
&unicode_character,
utf32_string,
utf32_string_size,
&utf32_string_index,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_INPUT_FAILED,
"%s: unable to copy Unicode character from UTF-32.",
function );
return( -1 );
}
/* Determine how many UTF-32 character bytes are required
*/
if( libuna_unicode_character_size_to_utf32(
unicode_character,
utf32_stream_size,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to determine size of Unicode character in UTF-32.",
function );
return( -1 );
}
if( unicode_character == 0 )
{
break;
}
}
/* Convert the number of characters into bytes
*/
*utf32_stream_size *= 4;
return( 1 );
}
/* Copies an UTF-32 stream from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_utf32_stream_copy_from_utf32(
uint8_t *utf32_stream,
size_t utf32_stream_size,
int byte_order,
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
libcerror_error_t **error )
{
static char *function = "libuna_utf32_stream_copy_from_utf32";
libuna_unicode_character_t unicode_character = 0;
size_t utf32_stream_index = 0;
size_t utf32_string_index = 0;
if( utf32_stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 stream.",
function );
return( -1 );
}
if( utf32_stream_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 stream size value exceeds maximum.",
function );
return( -1 );
}
if( ( byte_order != LIBUNA_ENDIAN_BIG )
&& ( byte_order != LIBUNA_ENDIAN_LITTLE ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported byte order.",
function );
return( -1 );
}
if( utf32_string == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 string.",
function );
return( -1 );
}
if( utf32_string_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 string size value exceeds maximum.",
function );
return( -1 );
}
if( libuna_utf32_stream_copy_byte_order_mark(
utf32_stream,
utf32_stream_size,
&utf32_stream_index,
byte_order,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy UTF-32 byte order mark.",
function );
return( -1 );
}
while( utf32_string_index < utf32_string_size )
{
/* Convert the UTF-32 string bytes into an Unicode character
*/
if( libuna_unicode_character_copy_from_utf32(
&unicode_character,
utf32_string,
utf32_string_size,
&utf32_string_index,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_INPUT_FAILED,
"%s: unable to copy Unicode character from UTF-32 string.",
function );
return( -1 );
}
/* Convert the Unicode character into UTF-32 stream bytes
*/
if( libuna_unicode_character_copy_to_utf32_stream(
unicode_character,
utf32_stream,
utf32_stream_size,
&utf32_stream_index,
byte_order,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_CONVERSION,
LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to copy Unicode character to UTF-32 stream.",
function );
return( -1 );
}
if( unicode_character == 0 )
{
break;
}
}
return( 1 );
}
/* Determines the size of an UTF-7 stream from an UTF-32 string
* Returns 1 if successful or -1 on error
*/
int libuna_utf7_stream_size_from_utf32(
const libuna_utf32_character_t *utf32_string,
size_t utf32_string_size,
size_t *utf7_stream_size,
liberror_error_t **error )
{
static char *function = "libuna_utf7_stream_size_from_utf32";
size_t utf32_string_iterator = 0;
libuna_unicode_character_t unicode_character = 0;
uint32_t utf7_stream_base64_data = 0;
if( utf32_string == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-32 string.",
function );
return( -1 );
}
if( utf32_string_size > (size_t) SSIZE_MAX )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: invalid UTF-32 string size value exceeds maximum.",
function );
return( -1 );
}
if( utf7_stream_size == NULL )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_ARGUMENTS,
LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid UTF-7 stream size.",
function );
return( -1 );
}
while( utf32_string_iterator < utf32_string_size )
{
/* Convert the UTF-32 character bytes into a Unicode character
*/
if( libuna_unicode_character_copy_from_utf32(
&unicode_character,
utf32_string,
utf32_string_size,
&utf32_string_iterator,
error ) != 1 )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_CONVERSION,
LIBERROR_CONVERSION_ERROR_INPUT_FAILED,
"%s: unable to copy Unicode character from UTF-32.",
function );
return( -1 );
}
/* Determine how many UTF-7 character bytes are required
*/
if( libuna_unicode_character_size_to_utf7_stream(
unicode_character,
utf7_stream_size,
&utf7_stream_base64_data,
error ) != 1 )
{
liberror_error_set(
error,
LIBERROR_ERROR_DOMAIN_CONVERSION,
LIBERROR_CONVERSION_ERROR_OUTPUT_FAILED,
"%s: unable to determine size of Unicode character in UTF-7.",
function );
return( -1 );
}
}
return( 1 );
}
