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
CFDE_CSSRuleCollection()19 CFDE_CSSRuleCollection::CFDE_CSSRuleCollection() : m_iSelectors(0) {}
20
~CFDE_CSSRuleCollection()21 CFDE_CSSRuleCollection::~CFDE_CSSRuleCollection() {
22 Clear();
23 }
24
Clear()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>>*
GetTagRuleData(const CFX_WideString & tagname) const31 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
AddRulesFrom(const CFDE_CSSStyleSheet * sheet,CFGAS_FontMgr * pFontMgr)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
AddRulesFrom(const CFDE_CSSStyleSheet * pStyleSheet,CFDE_CSSStyleRule * pStyleRule,CFGAS_FontMgr * pFontMgr)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
Data(CFDE_CSSSelector * pSel,CFDE_CSSDeclaration * pDecl)56 CFDE_CSSRuleCollection::Data::Data(CFDE_CSSSelector* pSel,
57 CFDE_CSSDeclaration* pDecl)
58 : pSelector(pSel), pDeclaration(pDecl) {}
59