blob: b443b7b20b2c4dcce676ca5df350ef104b78780e [file] [log] [blame]
// Copyright 2016 PDFium Authors. All rights reserved.
// 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
#ifndef CORE_FPDFDOC_CPDF_NAMETREE_H_
#define CORE_FPDFDOC_CPDF_NAMETREE_H_
#include <memory>
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
class CPDF_Array;
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_Object;
class CPDF_NameTree {
public:
CPDF_NameTree(const CPDF_NameTree&) = delete;
CPDF_NameTree& operator=(const CPDF_NameTree&) = delete;
~CPDF_NameTree();
static std::unique_ptr<CPDF_NameTree> Create(CPDF_Document* pDoc,
const ByteString& category);
// If necessary, create missing Names dictionary in |pDoc|, and/or missing
// Names array in the dictionary that corresponds to |category|, if necessary.
// Returns nullptr on failure.
static std::unique_ptr<CPDF_NameTree> CreateWithRootNameArray(
CPDF_Document* pDoc,
const ByteString& category);
static std::unique_ptr<CPDF_NameTree> CreateForTesting(
CPDF_Dictionary* pRoot);
static CPDF_Array* LookupNamedDest(CPDF_Document* doc,
const ByteString& name);
bool AddValueAndName(RetainPtr<CPDF_Object> pObj, const WideString& name);
bool DeleteValueAndName(int nIndex);
CPDF_Object* LookupValueAndName(int nIndex, WideString* csName) const;
CPDF_Object* LookupValue(const WideString& csName) const;
size_t GetCount() const;
CPDF_Dictionary* GetRootForTesting() const { return m_pRoot.Get(); }
private:
explicit CPDF_NameTree(CPDF_Dictionary* pRoot);
CPDF_Array* LookupNewStyleNamedDest(const ByteString& name);
const RetainPtr<CPDF_Dictionary> m_pRoot;
};
#endif // CORE_FPDFDOC_CPDF_NAMETREE_H_