chromium/third_party/icu/source/common/loadednormalizer2impl.cpp

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2014, International Business Machines
* Corporation and others.  All Rights Reserved.
*******************************************************************************
* loadednormalizer2impl.cpp
*
* created on: 2014sep03
* created by: Markus W. Scherer
*/

#include "unicode/utypes.h"

#if !UCONFIG_NO_NORMALIZATION

#include "unicode/udata.h"
#include "unicode/localpointer.h"
#include "unicode/normalizer2.h"
#include "unicode/ucptrie.h"
#include "unicode/unistr.h"
#include "unicode/unorm.h"
#include "cstring.h"
#include "mutex.h"
#include "norm2allmodes.h"
#include "normalizer2impl.h"
#include "uassert.h"
#include "ucln_cmn.h"
#include "uhash.h"

U_NAMESPACE_BEGIN

class LoadedNormalizer2Impl : public Normalizer2Impl { … };

LoadedNormalizer2Impl::~LoadedNormalizer2Impl() { … }

UBool U_CALLCONV
LoadedNormalizer2Impl::isAcceptable(void * /*context*/,
                                    const char * /* type */, const char * /*name*/,
                                    const UDataInfo *pInfo) { … }

void
LoadedNormalizer2Impl::load(const char *packageName, const char *name, UErrorCode &errorCode) { … }

// instance cache ---------------------------------------------------------- ***

Norm2AllModes *
Norm2AllModes::createInstance(const char *packageName,
                              const char *name,
                              UErrorCode &errorCode) { … }

U_CDECL_BEGIN
static UBool U_CALLCONV uprv_loaded_normalizer2_cleanup();
U_CDECL_END

#if !NORM2_HARDCODE_NFC_DATA
static Norm2AllModes *nfcSingleton;
static icu::UInitOnce nfcInitOnce {};
#endif

static Norm2AllModes *nfkcSingleton;
static icu::UInitOnce nfkcInitOnce { … };

static Norm2AllModes *nfkc_cfSingleton;
static icu::UInitOnce nfkc_cfInitOnce { … };

static Norm2AllModes *nfkc_scfSingleton;
static icu::UInitOnce nfkc_scfInitOnce { … };

static UHashtable    *cache= …;

// UInitOnce singleton initialization function
static void U_CALLCONV initSingletons(const char *what, UErrorCode &errorCode) { … }

U_CDECL_BEGIN

static void U_CALLCONV deleteNorm2AllModes(void *allModes) { … }

static UBool U_CALLCONV uprv_loaded_normalizer2_cleanup() { … }

U_CDECL_END

#if !NORM2_HARDCODE_NFC_DATA
const Norm2AllModes *
Norm2AllModes::getNFCInstance(UErrorCode &errorCode) {
    if(U_FAILURE(errorCode)) { return nullptr; }
    umtx_initOnce(nfcInitOnce, &initSingletons, "nfc", errorCode);
    return nfcSingleton;
}
#endif

const Norm2AllModes *
Norm2AllModes::getNFKCInstance(UErrorCode &errorCode) { … }

const Norm2AllModes *
Norm2AllModes::getNFKC_CFInstance(UErrorCode &errorCode) { … }

const Norm2AllModes *
Norm2AllModes::getNFKC_SCFInstance(UErrorCode &errorCode) { … }

#if !NORM2_HARDCODE_NFC_DATA
const Normalizer2 *
Normalizer2::getNFCInstance(UErrorCode &errorCode) {
    const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
    return allModes!=nullptr ? &allModes->comp : nullptr;
}

const Normalizer2 *
Normalizer2::getNFDInstance(UErrorCode &errorCode) {
    const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
    return allModes!=nullptr ? &allModes->decomp : nullptr;
}

const Normalizer2 *Normalizer2Factory::getFCDInstance(UErrorCode &errorCode) {
    const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
    return allModes!=nullptr ? &allModes->fcd : nullptr;
}

const Normalizer2 *Normalizer2Factory::getFCCInstance(UErrorCode &errorCode) {
    const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
    return allModes!=nullptr ? &allModes->fcc : nullptr;
}

const Normalizer2Impl *
Normalizer2Factory::getNFCImpl(UErrorCode &errorCode) {
    const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
    return allModes!=nullptr ? allModes->impl : nullptr;
}
#endif

const Normalizer2 *
Normalizer2::getNFKCInstance(UErrorCode &errorCode) { … }

const Normalizer2 *
Normalizer2::getNFKDInstance(UErrorCode &errorCode) { … }

const Normalizer2 *
Normalizer2::getNFKCCasefoldInstance(UErrorCode &errorCode) { … }

const Normalizer2 *
Normalizer2::getNFKCSimpleCasefoldInstance(UErrorCode &errorCode) { … }

const Normalizer2 *
Normalizer2::getInstance(const char *packageName,
                         const char *name,
                         UNormalization2Mode mode,
                         UErrorCode &errorCode) { … }

const Normalizer2 *
Normalizer2Factory::getInstance(UNormalizationMode mode, UErrorCode &errorCode) { … }

const Normalizer2Impl *
Normalizer2Factory::getNFKCImpl(UErrorCode &errorCode) { … }

const Normalizer2Impl *
Normalizer2Factory::getNFKC_CFImpl(UErrorCode &errorCode) { … }

U_NAMESPACE_END

// C API ------------------------------------------------------------------- ***

U_NAMESPACE_USE

U_CAPI const UNormalizer2 * U_EXPORT2
unorm2_getNFKCInstance(UErrorCode *pErrorCode) { … }

U_CAPI const UNormalizer2 * U_EXPORT2
unorm2_getNFKDInstance(UErrorCode *pErrorCode) { … }

U_CAPI const UNormalizer2 * U_EXPORT2
unorm2_getNFKCCasefoldInstance(UErrorCode *pErrorCode) { … }

U_CAPI const UNormalizer2 * U_EXPORT2
unorm2_getNFKCSimpleCasefoldInstance(UErrorCode *pErrorCode) { … }

U_CAPI const UNormalizer2 * U_EXPORT2
unorm2_getInstance(const char *packageName,
                   const char *name,
                   UNormalization2Mode mode,
                   UErrorCode *pErrorCode) { … }

U_CFUNC UNormalizationCheckResult
unorm_getQuickCheck(UChar32 c, UNormalizationMode mode) { … }

#endif  // !UCONFIG_NO_NORMALIZATION