mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
b64df2bf74
HarfBuzz: Update to version 7.3.0 ICU4C: Update to version 73.1 FreeType: Update to version 2.13.0
362 lines
8.8 KiB
C++
362 lines
8.8 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
/*
|
|
********************************************************************************
|
|
* Copyright (C) 1996-2015, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
********************************************************************************
|
|
*/
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
#if !UCONFIG_NO_BREAK_ITERATION
|
|
|
|
#include "unicode/ubrk.h"
|
|
|
|
#include "unicode/brkiter.h"
|
|
#include "unicode/uloc.h"
|
|
#include "unicode/ustring.h"
|
|
#include "unicode/uchriter.h"
|
|
#include "unicode/rbbi.h"
|
|
#include "rbbirb.h"
|
|
#include "uassert.h"
|
|
#include "cmemory.h"
|
|
|
|
U_NAMESPACE_USE
|
|
|
|
//------------------------------------------------------------------------------
|
|
//
|
|
// ubrk_open Create a canned type of break iterator based on type (word, line, etc.)
|
|
// and locale.
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
U_CAPI UBreakIterator* U_EXPORT2
|
|
ubrk_open(UBreakIteratorType type,
|
|
const char *locale,
|
|
const char16_t *text,
|
|
int32_t textLength,
|
|
UErrorCode *status)
|
|
{
|
|
|
|
if(U_FAILURE(*status)) return 0;
|
|
|
|
BreakIterator *result = 0;
|
|
|
|
switch(type) {
|
|
|
|
case UBRK_CHARACTER:
|
|
result = BreakIterator::createCharacterInstance(Locale(locale), *status);
|
|
break;
|
|
|
|
case UBRK_WORD:
|
|
result = BreakIterator::createWordInstance(Locale(locale), *status);
|
|
break;
|
|
|
|
case UBRK_LINE:
|
|
result = BreakIterator::createLineInstance(Locale(locale), *status);
|
|
break;
|
|
|
|
case UBRK_SENTENCE:
|
|
result = BreakIterator::createSentenceInstance(Locale(locale), *status);
|
|
break;
|
|
|
|
case UBRK_TITLE:
|
|
result = BreakIterator::createTitleInstance(Locale(locale), *status);
|
|
break;
|
|
|
|
default:
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
}
|
|
|
|
// check for allocation error
|
|
if (U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
if(result == 0) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
return 0;
|
|
}
|
|
|
|
|
|
UBreakIterator *uBI = (UBreakIterator *)result;
|
|
if (text != nullptr) {
|
|
ubrk_setText(uBI, text, textLength, status);
|
|
}
|
|
return uBI;
|
|
}
|
|
|
|
|
|
|
|
//------------------------------------------------------------------------------
|
|
//
|
|
// ubrk_openRules open a break iterator from a set of break rules.
|
|
// Invokes the rule builder.
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
U_CAPI UBreakIterator* U_EXPORT2
|
|
ubrk_openRules( const char16_t *rules,
|
|
int32_t rulesLength,
|
|
const char16_t *text,
|
|
int32_t textLength,
|
|
UParseError *parseErr,
|
|
UErrorCode *status) {
|
|
|
|
if (status == nullptr || U_FAILURE(*status)){
|
|
return 0;
|
|
}
|
|
|
|
BreakIterator *result = 0;
|
|
UnicodeString ruleString(rules, rulesLength);
|
|
result = RBBIRuleBuilder::createRuleBasedBreakIterator(ruleString, parseErr, *status);
|
|
if(U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
|
|
UBreakIterator *uBI = (UBreakIterator *)result;
|
|
if (text != nullptr) {
|
|
ubrk_setText(uBI, text, textLength, status);
|
|
}
|
|
return uBI;
|
|
}
|
|
|
|
|
|
U_CAPI UBreakIterator* U_EXPORT2
|
|
ubrk_openBinaryRules(const uint8_t *binaryRules, int32_t rulesLength,
|
|
const char16_t * text, int32_t textLength,
|
|
UErrorCode * status)
|
|
{
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
if (rulesLength < 0) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
LocalPointer<RuleBasedBreakIterator> lpRBBI(new RuleBasedBreakIterator(binaryRules, rulesLength, *status), *status);
|
|
if (U_FAILURE(*status)) {
|
|
return nullptr;
|
|
}
|
|
UBreakIterator *uBI = reinterpret_cast<UBreakIterator *>(lpRBBI.orphan());
|
|
if (text != nullptr) {
|
|
ubrk_setText(uBI, text, textLength, status);
|
|
}
|
|
return uBI;
|
|
}
|
|
|
|
|
|
U_CAPI UBreakIterator * U_EXPORT2
|
|
ubrk_safeClone(
|
|
const UBreakIterator *bi,
|
|
void * /*stackBuffer*/,
|
|
int32_t *pBufferSize,
|
|
UErrorCode *status)
|
|
{
|
|
if (status == nullptr || U_FAILURE(*status)){
|
|
return nullptr;
|
|
}
|
|
if (bi == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return nullptr;
|
|
}
|
|
if (pBufferSize != nullptr) {
|
|
int32_t inputSize = *pBufferSize;
|
|
*pBufferSize = 1;
|
|
if (inputSize == 0) {
|
|
return nullptr; // preflighting for deprecated functionality
|
|
}
|
|
}
|
|
BreakIterator *newBI = ((BreakIterator *)bi)->clone();
|
|
if (newBI == nullptr) {
|
|
*status = U_MEMORY_ALLOCATION_ERROR;
|
|
} else if (pBufferSize != nullptr) {
|
|
*status = U_SAFECLONE_ALLOCATED_WARNING;
|
|
}
|
|
return (UBreakIterator *)newBI;
|
|
}
|
|
|
|
U_CAPI UBreakIterator * U_EXPORT2
|
|
ubrk_clone(const UBreakIterator *bi, UErrorCode *status) {
|
|
return ubrk_safeClone(bi, nullptr, nullptr, status);
|
|
}
|
|
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ubrk_close(UBreakIterator *bi)
|
|
{
|
|
delete (BreakIterator *)bi;
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ubrk_setText(UBreakIterator* bi,
|
|
const char16_t* text,
|
|
int32_t textLength,
|
|
UErrorCode* status)
|
|
{
|
|
UText ut = UTEXT_INITIALIZER;
|
|
utext_openUChars(&ut, text, textLength, status);
|
|
((BreakIterator*)bi)->setText(&ut, *status);
|
|
// A stack allocated UText wrapping a char16_t * string
|
|
// can be dumped without explicitly closing it.
|
|
}
|
|
|
|
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ubrk_setUText(UBreakIterator *bi,
|
|
UText *text,
|
|
UErrorCode *status)
|
|
{
|
|
((BreakIterator*)bi)->setText(text, *status);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_current(const UBreakIterator *bi)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->current();
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_next(UBreakIterator *bi)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->next();
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_previous(UBreakIterator *bi)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->previous();
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_first(UBreakIterator *bi)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->first();
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_last(UBreakIterator *bi)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->last();
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_preceding(UBreakIterator *bi,
|
|
int32_t offset)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->preceding(offset);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_following(UBreakIterator *bi,
|
|
int32_t offset)
|
|
{
|
|
|
|
return ((BreakIterator*)bi)->following(offset);
|
|
}
|
|
|
|
U_CAPI const char* U_EXPORT2
|
|
ubrk_getAvailable(int32_t index)
|
|
{
|
|
|
|
return uloc_getAvailable(index);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_countAvailable()
|
|
{
|
|
|
|
return uloc_countAvailable();
|
|
}
|
|
|
|
|
|
U_CAPI UBool U_EXPORT2
|
|
ubrk_isBoundary(UBreakIterator *bi, int32_t offset)
|
|
{
|
|
return ((BreakIterator*)bi)->isBoundary(offset);
|
|
}
|
|
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_getRuleStatus(UBreakIterator *bi)
|
|
{
|
|
return ((BreakIterator*)bi)->getRuleStatus();
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_getRuleStatusVec(UBreakIterator *bi, int32_t *fillInVec, int32_t capacity, UErrorCode *status)
|
|
{
|
|
return ((BreakIterator*)bi)->getRuleStatusVec(fillInVec, capacity, *status);
|
|
}
|
|
|
|
|
|
U_CAPI const char* U_EXPORT2
|
|
ubrk_getLocaleByType(const UBreakIterator *bi,
|
|
ULocDataLocaleType type,
|
|
UErrorCode* status)
|
|
{
|
|
if (bi == nullptr) {
|
|
if (U_SUCCESS(*status)) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
}
|
|
return nullptr;
|
|
}
|
|
return ((BreakIterator*)bi)->getLocaleID(type, *status);
|
|
}
|
|
|
|
|
|
U_CAPI void U_EXPORT2
|
|
ubrk_refreshUText(UBreakIterator *bi,
|
|
UText *text,
|
|
UErrorCode *status)
|
|
{
|
|
BreakIterator *bii = reinterpret_cast<BreakIterator *>(bi);
|
|
bii->refreshInputText(text, *status);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
ubrk_getBinaryRules(UBreakIterator *bi,
|
|
uint8_t * binaryRules, int32_t rulesCapacity,
|
|
UErrorCode * status)
|
|
{
|
|
if (U_FAILURE(*status)) {
|
|
return 0;
|
|
}
|
|
if ((binaryRules == nullptr && rulesCapacity > 0) || rulesCapacity < 0) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
RuleBasedBreakIterator* rbbi;
|
|
if ((rbbi = dynamic_cast<RuleBasedBreakIterator*>(reinterpret_cast<BreakIterator*>(bi))) == nullptr) {
|
|
*status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
uint32_t rulesLength;
|
|
const uint8_t * returnedRules = rbbi->getBinaryRules(rulesLength);
|
|
if (rulesLength > INT32_MAX) {
|
|
*status = U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
if (binaryRules != nullptr) { // if not preflighting
|
|
// Here we know rulesLength <= INT32_MAX and rulesCapacity >= 0, can cast safely
|
|
if ((int32_t)rulesLength > rulesCapacity) {
|
|
*status = U_BUFFER_OVERFLOW_ERROR;
|
|
} else {
|
|
uprv_memcpy(binaryRules, returnedRules, rulesLength);
|
|
}
|
|
}
|
|
return (int32_t)rulesLength;
|
|
}
|
|
|
|
|
|
#endif /* #if !UCONFIG_NO_BREAK_ITERATION */
|