size_t utf8totitle(const char* input, size_t inputSize, char* target, size_t targetSize, int32_t* errors)
{
CaseMappingState state;
size_t bytes_written = 0;
/* Validate parameters */
UTF8_VALIDATE_PARAMETERS_CHAR(char, bytes_written);
/* Initialize case mapping */
if (!casemapping_initialize(
&state,
input, inputSize,
target, targetSize,
TitlecaseIndex1Ptr, TitlecaseIndex2Ptr, TitlecaseDataPtr))
{
UTF8_SET_ERROR(NONE);
return bytes_written;
}
/* Execute case mapping as long as input remains */
while (state.src_size > 0)
{
size_t result = casemapping_execute(&state);
if (!result)
{
UTF8_SET_ERROR(NOT_ENOUGH_SPACE);
return bytes_written;
}
/* The first letter of every word should be titlecase, the rest lowercase */
if (state.property_data == TitlecaseDataPtr)
{
if ((state.last_general_category & GeneralCategory_Letter) != 0)
{
state.property_index1 = LowercaseIndex1Ptr;
state.property_index2 = LowercaseIndex2Ptr;
state.property_data = LowercaseDataPtr;
}
}
else if (
(state.last_general_category & GeneralCategory_Letter) == 0)
{
state.property_index1 = TitlecaseIndex1Ptr;
state.property_index2 = TitlecaseIndex2Ptr;
state.property_data = TitlecaseDataPtr;
}
bytes_written += result;
}
UTF8_SET_ERROR(NONE);
return bytes_written;
}
size_t utf8tolower(const char* input, size_t inputSize, char* target, size_t targetSize, int32_t* errors)
{
CaseMappingState state;
size_t bytes_written = 0;
/* Validate parameters */
UTF8_VALIDATE_PARAMETERS_CHAR(char, bytes_written);
/* Initialize case mapping */
if (!casemapping_initialize(
&state,
input, inputSize,
target, targetSize,
LowercaseIndex1Ptr, LowercaseIndex2Ptr, LowercaseDataPtr))
{
UTF8_SET_ERROR(NONE);
return bytes_written;
}
/* Execute case mapping as long as input remains */
while (state.src_size > 0)
{
size_t result = casemapping_execute(&state);
if (!result)
{
UTF8_SET_ERROR(NOT_ENOUGH_SPACE);
return bytes_written;
}
bytes_written += result;
}
UTF8_SET_ERROR(NONE);
return bytes_written;
}
size_t utf8tolower(const char* input, size_t inputSize, char* target, size_t targetSize, size_t locale, int32_t* errors)
{
CaseMappingState state;
/* Validate parameters */
UTF8_VALIDATE_PARAMETERS_CHAR(char, 0);
/* Initialize case mapping */
if (!casemapping_initialize(
&state,
input, inputSize,
target, targetSize,
LowercaseIndex1Ptr, LowercaseIndex2Ptr, LowercaseDataPtr,
QuickCheckCaseMapped_Lowercase, locale,
errors))
{
return state.total_bytes_needed;
}
/* Execute case mapping as long as input remains */
while (state.src_size > 0)
{
size_t converted;
if ((converted = casemapping_execute(&state, errors)) == 0)
{
return state.total_bytes_needed;
}
state.total_bytes_needed += converted;
}
UTF8_SET_ERROR(NONE);
return state.total_bytes_needed;
}
size_t utf8totitle(const char* input, size_t inputSize, char* target, size_t targetSize, size_t locale, int32_t* errors)
{
CaseMappingState state;
/* Validate parameters */
UTF8_VALIDATE_PARAMETERS_CHAR(char, 0);
/* Initialize case mapping */
if (!casemapping_initialize(
&state,
input, inputSize,
target, targetSize,
TitlecaseIndex1Ptr, TitlecaseIndex2Ptr, TitlecaseDataPtr,
QuickCheckCaseMapped_Titlecase, locale,
errors))
{
return state.total_bytes_needed;
}
/* Execute case mapping as long as input remains */
while (state.src_size > 0)
{
size_t converted;
if ((converted = casemapping_execute(&state, errors)) == 0)
{
return state.total_bytes_needed;
}
/*
The first letter of every word should be titlecase, the rest should
be converted to lowercase.
*/
if (state.last_canonical_combining_class == CCC_NOT_REORDERED)
{
if (state.property_data == TitlecaseDataPtr)
{
if ((state.last_general_category & UTF8_CATEGORY_LETTER) != 0)
{
state.property_index1 = LowercaseIndex1Ptr;
state.property_index2 = LowercaseIndex2Ptr;
state.property_data = LowercaseDataPtr;
state.quickcheck_flags = QuickCheckCaseMapped_Lowercase;
}
}
else if (
(state.last_general_category & UTF8_CATEGORY_LETTER) == 0)
{
state.property_index1 = TitlecaseIndex1Ptr;
state.property_index2 = TitlecaseIndex2Ptr;
state.property_data = TitlecaseDataPtr;
state.quickcheck_flags = QuickCheckCaseMapped_Titlecase;
}
}
state.total_bytes_needed += converted;
}
UTF8_SET_ERROR(NONE);
return state.total_bytes_needed;
}
