From 95bec8046a28928df627ce4d48eee8b209b3e36e Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Thu, 19 Jan 2017 10:27:58 -0500 Subject: Split fde/css files into individual class files. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This CL splits the files in xfa/fde/css into class per file and renames any needed files to match the class names. Update some of the classes to use std::stack. Change-Id: I4eca0fb3556d949a15a873bb0f0fd732f47e4fb1 Reviewed-on: https://pdfium-review.googlesource.com/2253 Commit-Queue: dsinclair Reviewed-by: Tom Sepez Reviewed-by: Nicolás Peña --- xfa/fde/css/fde_cssstylesheet.cpp | 484 -------------------------------------- 1 file changed, 484 deletions(-) delete mode 100644 xfa/fde/css/fde_cssstylesheet.cpp (limited to 'xfa/fde/css/fde_cssstylesheet.cpp') diff --git a/xfa/fde/css/fde_cssstylesheet.cpp b/xfa/fde/css/fde_cssstylesheet.cpp deleted file mode 100644 index 5bbd9fd49e..0000000000 --- a/xfa/fde/css/fde_cssstylesheet.cpp +++ /dev/null @@ -1,484 +0,0 @@ -// Copyright 2014 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 - -#include "xfa/fde/css/fde_cssstylesheet.h" - -#include - -#include "third_party/base/ptr_util.h" -#include "third_party/base/stl_util.h" -#include "xfa/fde/css/fde_cssdatatable.h" -#include "xfa/fde/css/fde_csssyntax.h" -#include "xfa/fgas/crt/fgas_codepage.h" - -namespace { - -bool IsCSSChar(FX_WCHAR wch) { - return (wch >= 'a' && wch <= 'z') || (wch >= 'A' && wch <= 'Z'); -} - -int32_t GetCSSPseudoLen(const FX_WCHAR* psz, const FX_WCHAR* pEnd) { - ASSERT(*psz == ':'); - const FX_WCHAR* pStart = psz; - while (psz < pEnd) { - FX_WCHAR wch = *psz; - if (IsCSSChar(wch) || wch == ':') - ++psz; - else - break; - } - return psz - pStart; -} - -int32_t GetCSSNameLen(const FX_WCHAR* psz, const FX_WCHAR* pEnd) { - const FX_WCHAR* pStart = psz; - while (psz < pEnd) { - FX_WCHAR wch = *psz; - if (IsCSSChar(wch) || (wch >= '0' && wch <= '9') || wch == '_' || - wch == '-') { - ++psz; - } else { - break; - } - } - return psz - pStart; -} - -} // namespace - -CFDE_CSSStyleSheet::CFDE_CSSStyleSheet() - : m_wRefCount(1), m_dwMediaList(FDE_CSSMEDIATYPE_ALL) { - ASSERT(m_dwMediaList > 0); -} - -CFDE_CSSStyleSheet::~CFDE_CSSStyleSheet() { - Reset(); -} - -void CFDE_CSSStyleSheet::Reset() { - m_RuleArray.clear(); - m_StringCache.clear(); -} - -uint32_t CFDE_CSSStyleSheet::Retain() { - return ++m_wRefCount; -} - -uint32_t CFDE_CSSStyleSheet::Release() { - uint32_t dwRefCount = --m_wRefCount; - if (dwRefCount == 0) - delete this; - return dwRefCount; -} - -uint32_t CFDE_CSSStyleSheet::GetMediaList() const { - return m_dwMediaList; -} - -int32_t CFDE_CSSStyleSheet::CountRules() const { - return pdfium::CollectionSize(m_RuleArray); -} - -CFDE_CSSRule* CFDE_CSSStyleSheet::GetRule(int32_t index) { - return m_RuleArray[index].get(); -} - -bool CFDE_CSSStyleSheet::LoadFromBuffer(const FX_WCHAR* pBuffer, - int32_t iBufSize) { - ASSERT(pBuffer && iBufSize > 0); - - auto pSyntax = pdfium::MakeUnique(); - return pSyntax->Init(pBuffer, iBufSize) && LoadFromSyntax(pSyntax.get()); -} - -bool CFDE_CSSStyleSheet::LoadFromSyntax(CFDE_CSSSyntaxParser* pSyntax) { - Reset(); - FDE_CSSSyntaxStatus eStatus; - do { - switch (eStatus = pSyntax->DoSyntaxParse()) { - case FDE_CSSSyntaxStatus::StyleRule: - eStatus = LoadStyleRule(pSyntax, &m_RuleArray); - break; - case FDE_CSSSyntaxStatus::MediaRule: - eStatus = LoadMediaRule(pSyntax); - break; - case FDE_CSSSyntaxStatus::FontFaceRule: - eStatus = LoadFontFaceRule(pSyntax, &m_RuleArray); - break; - case FDE_CSSSyntaxStatus::ImportRule: - eStatus = LoadImportRule(pSyntax); - break; - case FDE_CSSSyntaxStatus::PageRule: - eStatus = LoadPageRule(pSyntax); - break; - default: - break; - } - } while (eStatus >= FDE_CSSSyntaxStatus::None); - - m_StringCache.clear(); - return eStatus != FDE_CSSSyntaxStatus::Error; -} - -FDE_CSSSyntaxStatus CFDE_CSSStyleSheet::LoadMediaRule( - CFDE_CSSSyntaxParser* pSyntax) { - uint32_t dwMediaList = 0; - CFDE_CSSMediaRule* pMediaRule = nullptr; - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSyntaxStatus::MediaType: { - int32_t iLen; - const FX_WCHAR* psz = pSyntax->GetCurrentString(iLen); - const FDE_CSSMEDIATYPETABLE* pMediaType = - FDE_GetCSSMediaTypeByName(CFX_WideStringC(psz, iLen)); - if (pMediaType) - dwMediaList |= pMediaType->wValue; - } break; - case FDE_CSSSyntaxStatus::StyleRule: - if (pMediaRule) { - FDE_CSSSyntaxStatus eStatus = - LoadStyleRule(pSyntax, &pMediaRule->GetArray()); - if (eStatus < FDE_CSSSyntaxStatus::None) { - return eStatus; - } - } else { - SkipRuleSet(pSyntax); - } - break; - case FDE_CSSSyntaxStatus::DeclOpen: - if ((dwMediaList & m_dwMediaList) > 0 && !pMediaRule) { - m_RuleArray.push_back( - pdfium::MakeUnique(dwMediaList)); - pMediaRule = - static_cast(m_RuleArray.back().get()); - } - break; - case FDE_CSSSyntaxStatus::DeclClose: - return FDE_CSSSyntaxStatus::None; - case FDE_CSSSyntaxStatus::EOS: - return FDE_CSSSyntaxStatus::EOS; - case FDE_CSSSyntaxStatus::Error: - default: - return FDE_CSSSyntaxStatus::Error; - } - } -} - -FDE_CSSSyntaxStatus CFDE_CSSStyleSheet::LoadStyleRule( - CFDE_CSSSyntaxParser* pSyntax, - std::vector>* ruleArray) { - std::vector> selectors; - - CFDE_CSSStyleRule* pStyleRule = nullptr; - const FX_WCHAR* pszValue = nullptr; - int32_t iValueLen = 0; - FDE_CSSPropertyArgs propertyArgs; - propertyArgs.pStringCache = &m_StringCache; - propertyArgs.pProperty = nullptr; - CFX_WideString wsName; - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSyntaxStatus::Selector: { - pszValue = pSyntax->GetCurrentString(iValueLen); - auto pSelector = CFDE_CSSSelector::FromString(pszValue, iValueLen); - if (pSelector) - selectors.push_back(std::move(pSelector)); - break; - } - case FDE_CSSSyntaxStatus::PropertyName: - pszValue = pSyntax->GetCurrentString(iValueLen); - propertyArgs.pProperty = - FDE_GetCSSPropertyByName(CFX_WideStringC(pszValue, iValueLen)); - if (!propertyArgs.pProperty) - wsName = CFX_WideStringC(pszValue, iValueLen); - break; - case FDE_CSSSyntaxStatus::PropertyValue: - if (propertyArgs.pProperty) { - pszValue = pSyntax->GetCurrentString(iValueLen); - if (iValueLen > 0) { - pStyleRule->GetDeclaration()->AddProperty(&propertyArgs, pszValue, - iValueLen); - } - } else if (iValueLen > 0) { - pszValue = pSyntax->GetCurrentString(iValueLen); - if (iValueLen > 0) { - pStyleRule->GetDeclaration()->AddProperty( - &propertyArgs, wsName.c_str(), wsName.GetLength(), pszValue, - iValueLen); - } - } - break; - case FDE_CSSSyntaxStatus::DeclOpen: - if (!pStyleRule && !selectors.empty()) { - auto rule = pdfium::MakeUnique(); - pStyleRule = rule.get(); - pStyleRule->SetSelector(&selectors); - ruleArray->push_back(std::move(rule)); - } else { - SkipRuleSet(pSyntax); - return FDE_CSSSyntaxStatus::None; - } - break; - case FDE_CSSSyntaxStatus::DeclClose: - if (pStyleRule && pStyleRule->GetDeclaration()->empty()) { - ruleArray->pop_back(); - pStyleRule = nullptr; - } - return FDE_CSSSyntaxStatus::None; - case FDE_CSSSyntaxStatus::EOS: - return FDE_CSSSyntaxStatus::EOS; - case FDE_CSSSyntaxStatus::Error: - default: - return FDE_CSSSyntaxStatus::Error; - } - } -} - -FDE_CSSSyntaxStatus CFDE_CSSStyleSheet::LoadFontFaceRule( - CFDE_CSSSyntaxParser* pSyntax, - std::vector>* ruleArray) { - CFDE_CSSFontFaceRule* pFontFaceRule = nullptr; - const FX_WCHAR* pszValue = nullptr; - int32_t iValueLen = 0; - FDE_CSSPropertyArgs propertyArgs; - propertyArgs.pStringCache = &m_StringCache; - propertyArgs.pProperty = nullptr; - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSyntaxStatus::PropertyName: - pszValue = pSyntax->GetCurrentString(iValueLen); - propertyArgs.pProperty = - FDE_GetCSSPropertyByName(CFX_WideStringC(pszValue, iValueLen)); - break; - case FDE_CSSSyntaxStatus::PropertyValue: - if (propertyArgs.pProperty) { - pszValue = pSyntax->GetCurrentString(iValueLen); - if (iValueLen > 0) { - pFontFaceRule->GetDeclaration()->AddProperty(&propertyArgs, - pszValue, iValueLen); - } - } - break; - case FDE_CSSSyntaxStatus::DeclOpen: - if (!pFontFaceRule) { - auto rule = pdfium::MakeUnique(); - pFontFaceRule = rule.get(); - ruleArray->push_back(std::move(rule)); - } - break; - case FDE_CSSSyntaxStatus::DeclClose: - return FDE_CSSSyntaxStatus::None; - case FDE_CSSSyntaxStatus::EOS: - return FDE_CSSSyntaxStatus::EOS; - case FDE_CSSSyntaxStatus::Error: - default: - return FDE_CSSSyntaxStatus::Error; - } - } -} - -FDE_CSSSyntaxStatus CFDE_CSSStyleSheet::LoadImportRule( - CFDE_CSSSyntaxParser* pSyntax) { - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSyntaxStatus::ImportClose: - return FDE_CSSSyntaxStatus::None; - case FDE_CSSSyntaxStatus::URI: - break; - case FDE_CSSSyntaxStatus::EOS: - return FDE_CSSSyntaxStatus::EOS; - case FDE_CSSSyntaxStatus::Error: - default: - return FDE_CSSSyntaxStatus::Error; - } - } -} - -FDE_CSSSyntaxStatus CFDE_CSSStyleSheet::LoadPageRule( - CFDE_CSSSyntaxParser* pSyntax) { - return SkipRuleSet(pSyntax); -} - -FDE_CSSSyntaxStatus CFDE_CSSStyleSheet::SkipRuleSet( - CFDE_CSSSyntaxParser* pSyntax) { - for (;;) { - switch (pSyntax->DoSyntaxParse()) { - case FDE_CSSSyntaxStatus::Selector: - case FDE_CSSSyntaxStatus::DeclOpen: - case FDE_CSSSyntaxStatus::PropertyName: - case FDE_CSSSyntaxStatus::PropertyValue: - break; - case FDE_CSSSyntaxStatus::DeclClose: - return FDE_CSSSyntaxStatus::None; - case FDE_CSSSyntaxStatus::EOS: - return FDE_CSSSyntaxStatus::EOS; - case FDE_CSSSyntaxStatus::Error: - default: - return FDE_CSSSyntaxStatus::Error; - } - } -} - -CFDE_CSSStyleRule::CFDE_CSSStyleRule() : CFDE_CSSRule(FDE_CSSRuleType::Style) {} - -CFDE_CSSStyleRule::~CFDE_CSSStyleRule() {} - -size_t CFDE_CSSStyleRule::CountSelectorLists() const { - return m_ppSelector.size(); -} - -CFDE_CSSSelector* CFDE_CSSStyleRule::GetSelectorList(int32_t index) const { - return m_ppSelector[index].get(); -} - -CFDE_CSSDeclaration* CFDE_CSSStyleRule::GetDeclaration() { - return &m_Declaration; -} - -void CFDE_CSSStyleRule::SetSelector( - std::vector>* list) { - ASSERT(m_ppSelector.empty()); - - m_ppSelector.swap(*list); -} - -CFDE_CSSMediaRule::CFDE_CSSMediaRule(uint32_t dwMediaList) - : CFDE_CSSRule(FDE_CSSRuleType::Media), m_dwMediaList(dwMediaList) {} - -CFDE_CSSMediaRule::~CFDE_CSSMediaRule() {} - -uint32_t CFDE_CSSMediaRule::GetMediaList() const { - return m_dwMediaList; -} - -int32_t CFDE_CSSMediaRule::CountRules() const { - return pdfium::CollectionSize(m_RuleArray); -} - -CFDE_CSSRule* CFDE_CSSMediaRule::GetRule(int32_t index) { - return m_RuleArray[index].get(); -} - -CFDE_CSSSelector::CFDE_CSSSelector(FDE_CSSSelectorType eType, - const FX_WCHAR* psz, - int32_t iLen, - bool bIgnoreCase) - : m_eType(eType), - m_dwHash(FX_HashCode_GetW(CFX_WideStringC(psz, iLen), bIgnoreCase)) {} - -CFDE_CSSSelector::~CFDE_CSSSelector() {} - -FDE_CSSSelectorType CFDE_CSSSelector::GetType() const { - return m_eType; -} - -uint32_t CFDE_CSSSelector::GetNameHash() const { - return m_dwHash; -} - -CFDE_CSSSelector* CFDE_CSSSelector::GetNextSelector() const { - return m_pNext.get(); -} - -std::unique_ptr CFDE_CSSSelector::ReleaseNextSelector() { - return std::move(m_pNext); -} - -std::unique_ptr CFDE_CSSSelector::FromString( - const FX_WCHAR* psz, - int32_t iLen) { - ASSERT(psz && iLen > 0); - - const FX_WCHAR* pStart = psz; - const FX_WCHAR* pEnd = psz + iLen; - for (; psz < pEnd; ++psz) { - switch (*psz) { - case '>': - case '[': - case '+': - return nullptr; - } - } - - std::unique_ptr pFirst = nullptr; - CFDE_CSSSelector* pLast = nullptr; - std::unique_ptr pPseudoFirst = nullptr; - CFDE_CSSSelector* pPseudoLast = nullptr; - - for (psz = pStart; psz < pEnd;) { - FX_WCHAR wch = *psz; - if (wch == '.' || wch == '#') { - if (psz == pStart || psz[-1] == ' ') { - auto p = pdfium::MakeUnique( - FDE_CSSSelectorType::Element, L"*", 1, true); - - if (pFirst) { - pFirst->SetType(FDE_CSSSelectorType::Descendant); - p->SetNext(std::move(pFirst)); - } - pFirst = std::move(p); - pLast = pFirst.get(); - } - ASSERT(pLast); - - int32_t iNameLen = GetCSSNameLen(++psz, pEnd); - if (iNameLen == 0) - return nullptr; - - FDE_CSSSelectorType eType = - wch == '.' ? FDE_CSSSelectorType::Class : FDE_CSSSelectorType::ID; - auto p = - pdfium::MakeUnique(eType, psz, iNameLen, false); - - p->SetNext(pLast->ReleaseNextSelector()); - pLast->SetNext(std::move(p)); - pLast = pLast->GetNextSelector(); - psz += iNameLen; - } else if (IsCSSChar(wch) || wch == '*') { - int32_t iNameLen = wch == '*' ? 1 : GetCSSNameLen(psz, pEnd); - if (iNameLen == 0) - return nullptr; - - auto p = pdfium::MakeUnique( - FDE_CSSSelectorType::Element, psz, iNameLen, true); - if (pFirst) { - pFirst->SetType(FDE_CSSSelectorType::Descendant); - p->SetNext(std::move(pFirst)); - } - pFirst = std::move(p); - pLast = pFirst.get(); - psz += iNameLen; - } else if (wch == ':') { - int32_t iNameLen = GetCSSPseudoLen(psz, pEnd); - if (iNameLen == 0) - return nullptr; - - auto p = pdfium::MakeUnique(FDE_CSSSelectorType::Pseudo, - psz, iNameLen, true); - CFDE_CSSSelector* ptr = p.get(); - if (pPseudoFirst) - pPseudoLast->SetNext(std::move(p)); - else - pPseudoFirst = std::move(p); - pPseudoLast = ptr; - psz += iNameLen; - } else if (wch == ' ') { - psz++; - } else { - return nullptr; - } - } - if (!pPseudoFirst) - return pFirst; - - pPseudoLast->SetNext(std::move(pFirst)); - return pPseudoFirst; -} - -CFDE_CSSFontFaceRule::CFDE_CSSFontFaceRule() - : CFDE_CSSRule(FDE_CSSRuleType::FontFace) {} - -CFDE_CSSFontFaceRule::~CFDE_CSSFontFaceRule() {} -- cgit v1.2.3