1 // Copyright 2016 PDFium Authors. All rights reserved. 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 "xfa/fde/css/cfde_cssrulecollection.h" 8 9 #include <algorithm> 10 #include <utility> 11 12 #include "third_party/base/ptr_util.h" 13 #include "xfa/fde/css/cfde_cssdeclaration.h" 14 #include "xfa/fde/css/cfde_cssselector.h" 15 #include "xfa/fde/css/cfde_cssstylerule.h" 16 #include "xfa/fde/css/cfde_cssstylesheet.h" 17 #include "xfa/fde/css/cfde_csssyntaxparser.h" 18 19 CFDE_CSSRuleCollection::CFDE_CSSRuleCollection() : m_iSelectors(0) {} 20 21 CFDE_CSSRuleCollection::~CFDE_CSSRuleCollection() { 22 Clear(); 23 } 24 25 void CFDE_CSSRuleCollection::Clear() { 26 m_TagRules.clear(); 27 m_iSelectors = 0; 28 } 29 30 const std::vector<std::unique_ptr<CFDE_CSSRuleCollection::Data>>* 31 CFDE_CSSRuleCollection::GetTagRuleData(const CFX_WideString& tagname) const { 32 auto it = m_TagRules.find(FX_HashCode_GetW(tagname.c_str(), true)); 33 return it != m_TagRules.end() ? &it->second : nullptr; 34 } 35 36 void CFDE_CSSRuleCollection::AddRulesFrom(const CFDE_CSSStyleSheet* sheet, 37 CFGAS_FontMgr* pFontMgr) { 38 int32_t iRules = sheet->CountRules(); 39 for (int32_t j = 0; j < iRules; j++) 40 AddRulesFrom(sheet, sheet->GetRule(j), pFontMgr); 41 } 42 43 void CFDE_CSSRuleCollection::AddRulesFrom(const CFDE_CSSStyleSheet* pStyleSheet, 44 CFDE_CSSStyleRule* pStyleRule, 45 CFGAS_FontMgr* pFontMgr) { 46 CFDE_CSSDeclaration* pDeclaration = pStyleRule->GetDeclaration(); 47 int32_t iSelectors = pStyleRule->CountSelectorLists(); 48 for (int32_t i = 0; i < iSelectors; ++i) { 49 CFDE_CSSSelector* pSelector = pStyleRule->GetSelectorList(i); 50 m_TagRules[pSelector->GetNameHash()].push_back( 51 pdfium::MakeUnique<Data>(pSelector, pDeclaration)); 52 m_iSelectors++; 53 } 54 } 55 56 CFDE_CSSRuleCollection::Data::Data(CFDE_CSSSelector* pSel, 57 CFDE_CSSDeclaration* pDecl) 58 : pSelector(pSel), pDeclaration(pDecl) {} 59