db497b3200
The methodology used to generate this CL is documented in https://crbug.com/1098010#c95. No-Try: true Bug: 1098010 Change-Id: I6ae92e5d7ccbf73b176588124b2f8b4067f805b3 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3900575 Reviewed-by: Mark Mentovai <mark@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org> Auto-Submit: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1047628}
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "pdf/pdfium/pdfium_api_string_buffer_adapter.h"
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#include <stddef.h>
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#include "base/check_op.h"
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#include "base/strings/string_util.h"
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namespace chrome_pdf {
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namespace internal {
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template <class StringType>
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PDFiumAPIStringBufferAdapter<StringType>::PDFiumAPIStringBufferAdapter(
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StringType* str,
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size_t expected_size,
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bool check_expected_size)
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: str_(str),
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data_(base::WriteInto(str, expected_size + 1)),
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expected_size_(expected_size),
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check_expected_size_(check_expected_size),
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is_closed_(false) {}
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template <class StringType>
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PDFiumAPIStringBufferAdapter<StringType>::~PDFiumAPIStringBufferAdapter() {
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DCHECK(is_closed_);
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}
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template <class StringType>
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void* PDFiumAPIStringBufferAdapter<StringType>::GetData() {
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DCHECK(!is_closed_);
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return data_;
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}
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template <class StringType>
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void PDFiumAPIStringBufferAdapter<StringType>::Close(size_t actual_size) {
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DCHECK(!is_closed_);
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is_closed_ = true;
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if (check_expected_size_)
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DCHECK_EQ(expected_size_, actual_size);
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if (actual_size > 0) {
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DCHECK((*str_)[actual_size - 1] == 0);
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str_->resize(actual_size - 1);
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} else {
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str_->clear();
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}
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}
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PDFiumAPIStringBufferSizeInBytesAdapter::
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PDFiumAPIStringBufferSizeInBytesAdapter(std::u16string* str,
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size_t expected_size,
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bool check_expected_size)
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: adapter_(str, expected_size / sizeof(char16_t), check_expected_size) {
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DCHECK(expected_size % sizeof(char16_t) == 0);
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}
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PDFiumAPIStringBufferSizeInBytesAdapter::
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~PDFiumAPIStringBufferSizeInBytesAdapter() = default;
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void* PDFiumAPIStringBufferSizeInBytesAdapter::GetData() {
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return adapter_.GetData();
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}
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void PDFiumAPIStringBufferSizeInBytesAdapter::Close(size_t actual_size) {
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DCHECK(actual_size % sizeof(char16_t) == 0);
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adapter_.Close(actual_size / sizeof(char16_t));
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}
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// explicit instantiations
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template class PDFiumAPIStringBufferAdapter<std::string>;
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template class PDFiumAPIStringBufferAdapter<std::u16string>;
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} // namespace internal
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} // namespace chrome_pdf
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