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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_CSSRULECOLLECTION_H_
#define XFA_FDE_CSS_CFDE_CSSRULECOLLECTION_H_
#include <map>
#include "core/fxcrt/fx_basic.h"
class CFDE_CSSDeclaration;
class CFDE_CSSSelector;
class CFDE_CSSStyleRule;
class CFDE_CSSStyleSheet;
class CFGAS_FontMgr;
class CFDE_CSSRuleCollection {
public:
class Data {
public:
Data(CFDE_CSSSelector* pSel, CFDE_CSSDeclaration* pDecl, uint32_t dwPos);
CFDE_CSSSelector* const pSelector;
CFDE_CSSDeclaration* const pDeclaration;
uint32_t dwPriority;
Data* pNext;
};
CFDE_CSSRuleCollection();
~CFDE_CSSRuleCollection();
void AddRulesFrom(const CFDE_CSSStyleSheet* sheet, CFGAS_FontMgr* pFontMgr);
void Clear();
int32_t CountSelectors() const { return m_iSelectors; }
Data* GetIDRuleData(uint32_t dwIDHash) {
auto it = m_IDRules.find(dwIDHash);
return it != m_IDRules.end() ? it->second : nullptr;
}
Data* GetTagRuleData(uint32_t dwTagHash) {
auto it = m_TagRules.find(dwTagHash);
return it != m_TagRules.end() ? it->second : nullptr;
}
Data* GetClassRuleData(uint32_t dwIDHash) {
auto it = m_ClassRules.find(dwIDHash);
return it != m_ClassRules.end() ? it->second : nullptr;
}
Data* GetUniversalRuleData() { return m_pUniversalRules; }
Data* GetPseudoRuleData() { return m_pPseudoRules; }
private:
void AddRulesFrom(const CFDE_CSSStyleSheet* pStyleSheet,
CFDE_CSSStyleRule* pRule,
CFGAS_FontMgr* pFontMgr);
void AddRuleTo(std::map<uint32_t, Data*>* pMap,
uint32_t dwKey,
CFDE_CSSSelector* pSel,
CFDE_CSSDeclaration* pDecl);
bool AddRuleTo(Data** pList, Data* pData);
Data* NewRuleData(CFDE_CSSSelector* pSel, CFDE_CSSDeclaration* pDecl);
std::map<uint32_t, Data*> m_IDRules;
std::map<uint32_t, Data*> m_TagRules;
std::map<uint32_t, Data*> m_ClassRules;
Data* m_pUniversalRules;
Data* m_pPseudoRules;
int32_t m_iSelectors;
};
#endif // XFA_FDE_CSS_CFDE_CSSRULECOLLECTION_H_
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