line_ending.cc | Explore in Territory

/*
 * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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

#include "third_party/blink/renderer/platform/wtf/text/line_ending.h"

#include "build/build_config.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/string_buffer.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace WTF {
namespace {

template <typename CharType>
wtf_size_t RequiredSizeForCRLF(const CharType* data, wtf_size_t length) { … }

template <typename CharType>
void NormalizeToCRLF(const CharType* src, wtf_size_t src_length, CharType* q) { … }

#if BUILDFLAG(IS_WIN)
void InternalNormalizeLineEndingsToCRLF(const std::string& from,
                                        Vector<char>& buffer) {
  size_t new_len = RequiredSizeForCRLF(from.c_str(), from.length());
  if (new_len < from.length())
    return;

  if (new_len == from.length()) {
    buffer.Append(from.c_str(), from.length());
    return;
  }

  wtf_size_t old_buffer_size = buffer.size();
  buffer.Grow(old_buffer_size + new_len);
  char* write_position = buffer.data() + old_buffer_size;
  NormalizeToCRLF(from.c_str(), from.length(), write_position);
}
#endif  // BUILDFLAG(IS_WIN)

}  // namespace

void NormalizeLineEndingsToLF(const std::string& from, Vector<char>& result) { … }

String NormalizeLineEndingsToCRLF(const String& src) { … }

void NormalizeLineEndingsToNative(const std::string& from,
                                  Vector<char>& result) { … }

}  // namespace WTF
chromium/third_party/blink/renderer/platform/wtf/text/line_ending.cc
