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// Copyright 2017 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 XFA_FDE_CSS_CFDE_CSSTAGCACHE_H_
#define XFA_FDE_CSS_CFDE_CSSTAGCACHE_H_
#include <vector>
#include "core/fxcrt/fx_system.h"
#include "third_party/base/stl_util.h"
class CXFA_CSSTagProvider;
class CFDE_CSSTagCache {
public:
CFDE_CSSTagCache(CFDE_CSSTagCache* parent, CXFA_CSSTagProvider* tag);
CFDE_CSSTagCache(const CFDE_CSSTagCache& it);
~CFDE_CSSTagCache();
CFDE_CSSTagCache* GetParent() const { return pParent; }
CXFA_CSSTagProvider* GetTag() const { return pTag; }
uint32_t HashID() const { return dwIDHash; }
uint32_t HashTag() const { return dwTagHash; }
int32_t CountHashClass() const {
return pdfium::CollectionSize<int32_t>(dwClassHashes);
}
void SetClassIndex(int32_t index) { iClassIndex = index; }
uint32_t HashClass() const {
return iClassIndex < pdfium::CollectionSize<int32_t>(dwClassHashes)
? dwClassHashes[iClassIndex]
: 0;
}
private:
CXFA_CSSTagProvider* pTag;
CFDE_CSSTagCache* pParent;
uint32_t dwIDHash;
uint32_t dwTagHash;
int32_t iClassIndex;
std::vector<uint32_t> dwClassHashes;
};
#endif // XFA_FDE_CSS_CFDE_CSSTAGCACHE_H_
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