chromium/third_party/pdfium/core/fpdfdoc/cpdf_metadata.cpp

// Copyright 2016 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "core/fpdfdoc/cpdf_metadata.h"

#include <memory>
#include <utility>

#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fpdfapi/parser/cpdf_stream_acc.h"
#include "core/fxcrt/cfx_read_only_span_stream.h"
#include "core/fxcrt/check.h"
#include "core/fxcrt/fx_codepage.h"
#include "core/fxcrt/xml/cfx_xmldocument.h"
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "core/fxcrt/xml/cfx_xmlparser.h"

namespace {

constexpr int kMaxMetaDataDepth = …;

bool CheckForSharedFormInternal(int depth,
                                CFX_XMLElement* element,
                                std::vector<UnsupportedFeature>* unsupported) { … }

}  // namespace

CPDF_Metadata::CPDF_Metadata(RetainPtr<const CPDF_Stream> pStream)
    : … { … }

CPDF_Metadata::~CPDF_Metadata() = default;

std::vector<UnsupportedFeature> CPDF_Metadata::CheckForSharedForm() const { … }