hyphenator_aosp.cc | Explore in Territory

/* ***** BEGIN LICENSE BLOCK *****
 *
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ***** END LICENSE BLOCK ***** */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include <memory>
#include <algorithm>
#include <unicode/uchar.h>

// HACK: for reading pattern file
#include <fcntl.h>

#include "third_party/blink/renderer/platform/text/hyphenation/hyphenator_aosp.h"

namespace android {

static const uint16_t CHAR_SOFT_HYPHEN = …;

// The following are structs that correspond to tables inside the hyb file
// format

struct AlphabetTable0 { … };

struct AlphabetTable1 { … };

struct Trie { … };

struct Pattern { … };

struct Header { … };

Hyphenator* Hyphenator::loadBinary(const uint8_t* patternData) { … }

void Hyphenator::hyphenate(Vector<uint8_t>* result,
                           const uint16_t* word,
                           wtf_size_t len) { … }

// If any soft hyphen is present in the word, use soft hyphens to decide
// hyphenation, as recommended in UAX #14 (Use of Soft Hyphen)
void Hyphenator::hyphenateSoft(uint8_t* result,
                               const uint16_t* word,
                               wtf_size_t len) { … }

bool Hyphenator::alphabetLookup(uint16_t* alpha_codes,
                                const uint16_t* word,
                                wtf_size_t len) { … }

/**
 * Internal implementation, after conversion to codes. All case folding and
 * normalization has been done by now, and all characters have been found in the
 * alphabet.  Note: len here is the padded length including 0 codes at start and
 * end.
 **/
void Hyphenator::hyphenateFromCodes(uint8_t* result,
                                    const uint16_t* codes,
                                    wtf_size_t len) { … }

}  // namespace android
chromium/third_party/blink/renderer/platform/text/hyphenation/hyphenator_aosp.cc
