1 // Copyright 2016 The PDFium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fxcrt/css/cfx_cssrulecollection.h" 8 9 #include <algorithm> 10 #include <utility> 11 12 #include "core/fxcrt/css/cfx_cssdeclaration.h" 13 #include "core/fxcrt/css/cfx_cssselector.h" 14 #include "core/fxcrt/css/cfx_cssstylerule.h" 15 #include "core/fxcrt/css/cfx_cssstylesheet.h" 16 #include "core/fxcrt/css/cfx_csssyntaxparser.h" 17 18 CFX_CSSRuleCollection::CFX_CSSRuleCollection() = default; 19 20 CFX_CSSRuleCollection::~CFX_CSSRuleCollection() = default; 21 22 const std::vector<std::unique_ptr<CFX_CSSRuleCollection::Data>>* GetTagRuleData(const WideString & tagname) const23CFX_CSSRuleCollection::GetTagRuleData(const WideString& tagname) const { 24 auto it = m_TagRules.find(FX_HashCode_GetLoweredW(tagname.AsStringView())); 25 return it != m_TagRules.end() ? &it->second : nullptr; 26 } 27 SetRulesFromSheet(const CFX_CSSStyleSheet * sheet)28void CFX_CSSRuleCollection::SetRulesFromSheet(const CFX_CSSStyleSheet* sheet) { 29 m_TagRules.clear(); 30 for (size_t i = 0; i < sheet->CountRules(); ++i) 31 AddRule(sheet->GetRule(i)); 32 } 33 AddRule(CFX_CSSStyleRule * pStyleRule)34void CFX_CSSRuleCollection::AddRule(CFX_CSSStyleRule* pStyleRule) { 35 CFX_CSSDeclaration* pDeclaration = pStyleRule->GetDeclaration(); 36 size_t nSelectors = pStyleRule->CountSelectorLists(); 37 for (size_t i = 0; i < nSelectors; ++i) { 38 CFX_CSSSelector* pSelector = pStyleRule->GetSelectorList(i); 39 m_TagRules[pSelector->name_hash()].push_back( 40 std::make_unique<Data>(pSelector, pDeclaration)); 41 } 42 } 43 Data(CFX_CSSSelector * pSel,CFX_CSSDeclaration * pDecl)44CFX_CSSRuleCollection::Data::Data(CFX_CSSSelector* pSel, 45 CFX_CSSDeclaration* pDecl) 46 : pSelector(pSel), pDeclaration(pDecl) {} 47