Exemple #1
0
FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadMediaRule(
    IFDE_CSSSyntaxParser* pSyntax) {
  FX_DWORD dwMediaList = 0;
  CFDE_CSSMediaRule* pMediaRule = NULL;
  for (;;) {
    switch (pSyntax->DoSyntaxParse()) {
      case FDE_CSSSYNTAXSTATUS_MediaType: {
        int32_t iLen;
        const FX_WCHAR* psz = pSyntax->GetCurrentString(iLen);
        FDE_LPCCSSMEDIATYPETABLE pMediaType =
            FDE_GetCSSMediaTypeByName(psz, iLen);
        if (pMediaType != NULL) {
          dwMediaList |= pMediaType->wValue;
        }
      } break;
      case FDE_CSSSYNTAXSTATUS_StyleRule:
        if (pMediaRule == NULL) {
          SkipRuleSet(pSyntax);
        } else {
          FDE_CSSSYNTAXSTATUS eStatus =
              LoadStyleRule(pSyntax, pMediaRule->GetArray());
          if (eStatus < FDE_CSSSYNTAXSTATUS_None) {
            return eStatus;
          }
        }
        break;
      case FDE_CSSSYNTAXSTATUS_DeclOpen:
        if ((dwMediaList & m_dwMediaList) > 0 && pMediaRule == NULL) {
          pMediaRule = FDE_NewWith(m_pAllocator) CFDE_CSSMediaRule(dwMediaList);
          m_RuleArray.Add(pMediaRule);
        }
        break;
      case FDE_CSSSYNTAXSTATUS_DeclClose:
        return FDE_CSSSYNTAXSTATUS_None;
        FDE_CSSSWITCHDEFAULTS();
    }
  }
}
Exemple #2
0
FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadPageRule(
    IFDE_CSSSyntaxParser* pSyntax) {
  return SkipRuleSet(pSyntax);
}
Exemple #3
0
FDE_CSSSYNTAXSTATUS CFDE_CSSStyleSheet::LoadStyleRule(
    IFDE_CSSSyntaxParser* pSyntax,
    CFDE_CSSRuleArray& ruleArray) {
  m_Selectors.RemoveAt(0, m_Selectors.GetSize());
  CFDE_CSSStyleRule* pStyleRule = NULL;
  const FX_WCHAR* pszValue = NULL;
  int32_t iValueLen = 0;
  FDE_CSSPROPERTYARGS propertyArgs;
  propertyArgs.pStaticStore = m_pAllocator;
  propertyArgs.pStringCache = &m_StringCache;
  propertyArgs.pProperty = NULL;
  CFX_WideString wsName;
  for (;;) {
    switch (pSyntax->DoSyntaxParse()) {
      case FDE_CSSSYNTAXSTATUS_Selector: {
        pszValue = pSyntax->GetCurrentString(iValueLen);
        IFDE_CSSSelector* pSelector =
            CFDE_CSSSelector::FromString(m_pAllocator, pszValue, iValueLen);
        if (pSelector != NULL) {
          m_Selectors.Add(pSelector);
        }
      } break;
      case FDE_CSSSYNTAXSTATUS_PropertyName:
        pszValue = pSyntax->GetCurrentString(iValueLen);
        propertyArgs.pProperty = FDE_GetCSSPropertyByName(pszValue, iValueLen);
        if (propertyArgs.pProperty == NULL) {
          wsName = CFX_WideStringC(pszValue, iValueLen);
        }
        break;
      case FDE_CSSSYNTAXSTATUS_PropertyValue:
        if (propertyArgs.pProperty != NULL) {
          pszValue = pSyntax->GetCurrentString(iValueLen);
          if (iValueLen > 0) {
            pStyleRule->GetDeclImp().AddProperty(&propertyArgs, pszValue,
                                                 iValueLen);
          }
        } else if (iValueLen > 0) {
          pszValue = pSyntax->GetCurrentString(iValueLen);
          if (iValueLen > 0) {
            pStyleRule->GetDeclImp().AddProperty(
                &propertyArgs, wsName, wsName.GetLength(), pszValue, iValueLen);
          }
        }
        break;
      case FDE_CSSSYNTAXSTATUS_DeclOpen:
        if (pStyleRule == NULL && m_Selectors.GetSize() > 0) {
          pStyleRule = FDE_NewWith(m_pAllocator) CFDE_CSSStyleRule;
          pStyleRule->SetSelector(m_pAllocator, m_Selectors);
          ruleArray.Add(pStyleRule);
        } else {
          SkipRuleSet(pSyntax);
          return FDE_CSSSYNTAXSTATUS_None;
        }
        break;
      case FDE_CSSSYNTAXSTATUS_DeclClose:
        if (pStyleRule != NULL &&
            pStyleRule->GetDeclImp().GetStartPosition() == NULL) {
          pStyleRule->~CFDE_CSSStyleRule();
          ruleArray.RemoveLast(1);
        }
        return FDE_CSSSYNTAXSTATUS_None;
        FDE_CSSSWITCHDEFAULTS();
    }
  }
}
Exemple #4
0
CFX_CSSSyntaxStatus CFX_CSSStyleSheet::LoadStyleRule(
    CFX_CSSSyntaxParser* pSyntax,
    std::vector<std::unique_ptr<CFX_CSSStyleRule>>* ruleArray) {
  std::vector<std::unique_ptr<CFX_CSSSelector>> selectors;

  CFX_CSSStyleRule* pStyleRule = nullptr;
  int32_t iValueLen = 0;
  const CFX_CSSData::Property* property = nullptr;
  WideString wsName;
  while (1) {
    switch (pSyntax->DoSyntaxParse()) {
      case CFX_CSSSyntaxStatus::Selector: {
        WideStringView strValue = pSyntax->GetCurrentString();
        auto pSelector = CFX_CSSSelector::FromString(strValue);
        if (pSelector)
          selectors.push_back(std::move(pSelector));
        break;
      }
      case CFX_CSSSyntaxStatus::PropertyName: {
        WideStringView strValue = pSyntax->GetCurrentString();
        property = CFX_CSSData::GetPropertyByName(strValue);
        if (!property)
          wsName = WideString(strValue);
        break;
      }
      case CFX_CSSSyntaxStatus::PropertyValue: {
        if (property || iValueLen > 0) {
          WideStringView strValue = pSyntax->GetCurrentString();
          auto* decl = pStyleRule->GetDeclaration();
          if (!strValue.IsEmpty()) {
            if (property) {
              decl->AddProperty(property, strValue);
            } else {
              decl->AddProperty(wsName, WideString(strValue));
            }
          }
        }
        break;
      }
      case CFX_CSSSyntaxStatus::DeclOpen: {
        if (!pStyleRule && !selectors.empty()) {
          auto rule = pdfium::MakeUnique<CFX_CSSStyleRule>();
          pStyleRule = rule.get();
          pStyleRule->SetSelector(&selectors);
          ruleArray->push_back(std::move(rule));
        } else {
          SkipRuleSet(pSyntax);
          return CFX_CSSSyntaxStatus::None;
        }
        break;
      }
      case CFX_CSSSyntaxStatus::DeclClose: {
        if (pStyleRule && pStyleRule->GetDeclaration()->empty()) {
          ruleArray->pop_back();
          pStyleRule = nullptr;
        }
        return CFX_CSSSyntaxStatus::None;
      }
      case CFX_CSSSyntaxStatus::EOS:
        return CFX_CSSSyntaxStatus::EOS;
      case CFX_CSSSyntaxStatus::Error:
      default:
        return CFX_CSSSyntaxStatus::Error;
    }
  }
}