diff options
Diffstat (limited to 'xfa/fde/css/cfde_cssdeclaration.cpp')
| -rw-r--r-- | xfa/fde/css/cfde_cssdeclaration.cpp | 639 |
1 files changed, 0 insertions, 639 deletions
diff --git a/xfa/fde/css/cfde_cssdeclaration.cpp b/xfa/fde/css/cfde_cssdeclaration.cpp deleted file mode 100644 index e15e5f7fe7..0000000000 --- a/xfa/fde/css/cfde_cssdeclaration.cpp +++ /dev/null @@ -1,639 +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/cfde_cssdeclaration.h" - -#include "core/fxcrt/fx_extension.h" -#include "third_party/base/logging.h" -#include "third_party/base/ptr_util.h" -#include "xfa/fde/css/cfde_csscolorvalue.h" -#include "xfa/fde/css/cfde_csscustomproperty.h" -#include "xfa/fde/css/cfde_cssenumvalue.h" -#include "xfa/fde/css/cfde_cssnumbervalue.h" -#include "xfa/fde/css/cfde_csspropertyholder.h" -#include "xfa/fde/css/cfde_cssstringvalue.h" -#include "xfa/fde/css/cfde_cssvaluelist.h" -#include "xfa/fde/css/cfde_cssvaluelistparser.h" - -namespace { - -uint8_t Hex2Dec(uint8_t hexHigh, uint8_t hexLow) { - return (FXSYS_HexCharToInt(hexHigh) << 4) + FXSYS_HexCharToInt(hexLow); -} - -bool ParseCSSNumber(const wchar_t* pszValue, - int32_t iValueLen, - float& fValue, - FDE_CSSNumberType& eUnit) { - ASSERT(pszValue && iValueLen > 0); - int32_t iUsedLen = 0; - fValue = FXSYS_wcstof(pszValue, iValueLen, &iUsedLen); - if (iUsedLen <= 0) - return false; - - iValueLen -= iUsedLen; - pszValue += iUsedLen; - eUnit = FDE_CSSNumberType::Number; - if (iValueLen >= 1 && *pszValue == '%') { - eUnit = FDE_CSSNumberType::Percent; - } else if (iValueLen == 2) { - const FDE_CSSLengthUnitTable* pUnit = - FDE_GetCSSLengthUnitByName(CFX_WideStringC(pszValue, 2)); - if (pUnit) - eUnit = pUnit->wValue; - } - return true; -} - -} // namespace - -// static -bool CFDE_CSSDeclaration::ParseCSSString(const wchar_t* pszValue, - int32_t iValueLen, - int32_t* iOffset, - int32_t* iLength) { - ASSERT(pszValue && iValueLen > 0); - *iOffset = 0; - *iLength = iValueLen; - if (iValueLen >= 2) { - wchar_t first = pszValue[0], last = pszValue[iValueLen - 1]; - if ((first == '\"' && last == '\"') || (first == '\'' && last == '\'')) { - *iOffset = 1; - *iLength -= 2; - } - } - return iValueLen > 0; -} - -// static. -bool CFDE_CSSDeclaration::ParseCSSColor(const wchar_t* pszValue, - int32_t iValueLen, - FX_ARGB* dwColor) { - ASSERT(pszValue && iValueLen > 0); - ASSERT(dwColor); - - if (*pszValue == '#') { - switch (iValueLen) { - case 4: { - uint8_t red = Hex2Dec((uint8_t)pszValue[1], (uint8_t)pszValue[1]); - uint8_t green = Hex2Dec((uint8_t)pszValue[2], (uint8_t)pszValue[2]); - uint8_t blue = Hex2Dec((uint8_t)pszValue[3], (uint8_t)pszValue[3]); - *dwColor = ArgbEncode(255, red, green, blue); - return true; - } - case 7: { - uint8_t red = Hex2Dec((uint8_t)pszValue[1], (uint8_t)pszValue[2]); - uint8_t green = Hex2Dec((uint8_t)pszValue[3], (uint8_t)pszValue[4]); - uint8_t blue = Hex2Dec((uint8_t)pszValue[5], (uint8_t)pszValue[6]); - *dwColor = ArgbEncode(255, red, green, blue); - return true; - } - default: - return false; - } - } - - if (iValueLen >= 10) { - if (pszValue[iValueLen - 1] != ')' || FXSYS_wcsnicmp(L"rgb(", pszValue, 4)) - return false; - - uint8_t rgb[3] = {0}; - float fValue; - FDE_CSSPrimitiveType eType; - CFDE_CSSValueListParser list(pszValue + 4, iValueLen - 5, ','); - for (int32_t i = 0; i < 3; ++i) { - if (!list.NextValue(eType, pszValue, iValueLen)) - return false; - if (eType != FDE_CSSPrimitiveType::Number) - return false; - FDE_CSSNumberType eNumType; - if (!ParseCSSNumber(pszValue, iValueLen, fValue, eNumType)) - return false; - - rgb[i] = eNumType == FDE_CSSNumberType::Percent - ? FXSYS_round(fValue * 2.55f) - : FXSYS_round(fValue); - } - *dwColor = ArgbEncode(255, rgb[0], rgb[1], rgb[2]); - return true; - } - - const FDE_CSSCOLORTABLE* pColor = - FDE_GetCSSColorByName(CFX_WideStringC(pszValue, iValueLen)); - if (!pColor) - return false; - - *dwColor = pColor->dwValue; - return true; -} - -CFDE_CSSDeclaration::CFDE_CSSDeclaration() {} - -CFDE_CSSDeclaration::~CFDE_CSSDeclaration() {} - -CFX_RetainPtr<CFDE_CSSValue> CFDE_CSSDeclaration::GetProperty( - FDE_CSSProperty eProperty, - bool* bImportant) const { - for (const auto& p : properties_) { - if (p->eProperty == eProperty) { - *bImportant = p->bImportant; - return p->pValue; - } - } - return nullptr; -} - -void CFDE_CSSDeclaration::AddPropertyHolder(FDE_CSSProperty eProperty, - CFX_RetainPtr<CFDE_CSSValue> pValue, - bool bImportant) { - auto pHolder = pdfium::MakeUnique<CFDE_CSSPropertyHolder>(); - pHolder->bImportant = bImportant; - pHolder->eProperty = eProperty; - pHolder->pValue = pValue; - properties_.push_back(std::move(pHolder)); -} - -void CFDE_CSSDeclaration::AddProperty(const FDE_CSSPropertyTable* pTable, - const CFX_WideStringC& value) { - ASSERT(!value.IsEmpty()); - - const wchar_t* pszValue = value.unterminated_c_str(); - int32_t iValueLen = value.GetLength(); - bool bImportant = false; - if (iValueLen >= 10 && pszValue[iValueLen - 10] == '!' && - FXSYS_wcsnicmp(L"important", pszValue + iValueLen - 9, 9) == 0) { - if ((iValueLen -= 10) == 0) - return; - - bImportant = true; - } - const uint32_t dwType = pTable->dwType; - switch (dwType & 0x0F) { - case FDE_CSSVALUETYPE_Primitive: { - static const uint32_t g_ValueGuessOrder[] = { - FDE_CSSVALUETYPE_MaybeNumber, FDE_CSSVALUETYPE_MaybeEnum, - FDE_CSSVALUETYPE_MaybeColor, FDE_CSSVALUETYPE_MaybeString, - }; - static const int32_t g_ValueGuessCount = - sizeof(g_ValueGuessOrder) / sizeof(uint32_t); - for (int32_t i = 0; i < g_ValueGuessCount; ++i) { - const uint32_t dwMatch = dwType & g_ValueGuessOrder[i]; - if (dwMatch == 0) { - continue; - } - CFX_RetainPtr<CFDE_CSSValue> pCSSValue; - switch (dwMatch) { - case FDE_CSSVALUETYPE_MaybeNumber: - pCSSValue = ParseNumber(pszValue, iValueLen); - break; - case FDE_CSSVALUETYPE_MaybeEnum: - pCSSValue = ParseEnum(pszValue, iValueLen); - break; - case FDE_CSSVALUETYPE_MaybeColor: - pCSSValue = ParseColor(pszValue, iValueLen); - break; - case FDE_CSSVALUETYPE_MaybeString: - pCSSValue = ParseString(pszValue, iValueLen); - break; - default: - break; - } - if (pCSSValue) { - AddPropertyHolder(pTable->eName, pCSSValue, bImportant); - return; - } - if (FDE_IsOnlyValue(dwType, g_ValueGuessOrder[i])) - return; - } - break; - } - case FDE_CSSVALUETYPE_Shorthand: { - CFX_RetainPtr<CFDE_CSSValue> pWidth; - switch (pTable->eName) { - case FDE_CSSProperty::Font: - ParseFontProperty(pszValue, iValueLen, bImportant); - return; - case FDE_CSSProperty::Border: - if (ParseBorderProperty(pszValue, iValueLen, pWidth)) { - AddPropertyHolder(FDE_CSSProperty::BorderLeftWidth, pWidth, - bImportant); - AddPropertyHolder(FDE_CSSProperty::BorderTopWidth, pWidth, - bImportant); - AddPropertyHolder(FDE_CSSProperty::BorderRightWidth, pWidth, - bImportant); - AddPropertyHolder(FDE_CSSProperty::BorderBottomWidth, pWidth, - bImportant); - return; - } - break; - case FDE_CSSProperty::BorderLeft: - if (ParseBorderProperty(pszValue, iValueLen, pWidth)) { - AddPropertyHolder(FDE_CSSProperty::BorderLeftWidth, pWidth, - bImportant); - return; - } - break; - case FDE_CSSProperty::BorderTop: - if (ParseBorderProperty(pszValue, iValueLen, pWidth)) { - AddPropertyHolder(FDE_CSSProperty::BorderTopWidth, pWidth, - bImportant); - return; - } - break; - case FDE_CSSProperty::BorderRight: - if (ParseBorderProperty(pszValue, iValueLen, pWidth)) { - AddPropertyHolder(FDE_CSSProperty::BorderRightWidth, pWidth, - bImportant); - return; - } - break; - case FDE_CSSProperty::BorderBottom: - if (ParseBorderProperty(pszValue, iValueLen, pWidth)) { - AddPropertyHolder(FDE_CSSProperty::BorderBottomWidth, pWidth, - bImportant); - return; - } - break; - default: - break; - } - } break; - case FDE_CSSVALUETYPE_List: - ParseValueListProperty(pTable, pszValue, iValueLen, bImportant); - return; - default: - NOTREACHED(); - break; - } -} - -void CFDE_CSSDeclaration::AddProperty(const CFX_WideString& prop, - const CFX_WideString& value) { - custom_properties_.push_back( - pdfium::MakeUnique<CFDE_CSSCustomProperty>(prop, value)); -} - -CFX_RetainPtr<CFDE_CSSValue> CFDE_CSSDeclaration::ParseNumber( - const wchar_t* pszValue, - int32_t iValueLen) { - float fValue; - FDE_CSSNumberType eUnit; - if (!ParseCSSNumber(pszValue, iValueLen, fValue, eUnit)) - return nullptr; - return pdfium::MakeRetain<CFDE_CSSNumberValue>(eUnit, fValue); -} - -CFX_RetainPtr<CFDE_CSSValue> CFDE_CSSDeclaration::ParseEnum( - const wchar_t* pszValue, - int32_t iValueLen) { - const FDE_CSSPropertyValueTable* pValue = - FDE_GetCSSPropertyValueByName(CFX_WideStringC(pszValue, iValueLen)); - return pValue ? pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName) - : nullptr; -} - -CFX_RetainPtr<CFDE_CSSValue> CFDE_CSSDeclaration::ParseColor( - const wchar_t* pszValue, - int32_t iValueLen) { - FX_ARGB dwColor; - if (!ParseCSSColor(pszValue, iValueLen, &dwColor)) - return nullptr; - return pdfium::MakeRetain<CFDE_CSSColorValue>(dwColor); -} - -CFX_RetainPtr<CFDE_CSSValue> CFDE_CSSDeclaration::ParseString( - const wchar_t* pszValue, - int32_t iValueLen) { - int32_t iOffset; - if (!ParseCSSString(pszValue, iValueLen, &iOffset, &iValueLen)) - return nullptr; - - if (iValueLen <= 0) - return nullptr; - - return pdfium::MakeRetain<CFDE_CSSStringValue>( - CFX_WideString(pszValue + iOffset, iValueLen)); -} - -void CFDE_CSSDeclaration::ParseValueListProperty( - const FDE_CSSPropertyTable* pTable, - const wchar_t* pszValue, - int32_t iValueLen, - bool bImportant) { - wchar_t separator = - (pTable->eName == FDE_CSSProperty::FontFamily) ? ',' : ' '; - CFDE_CSSValueListParser parser(pszValue, iValueLen, separator); - - const uint32_t dwType = pTable->dwType; - FDE_CSSPrimitiveType eType; - std::vector<CFX_RetainPtr<CFDE_CSSValue>> list; - while (parser.NextValue(eType, pszValue, iValueLen)) { - switch (eType) { - case FDE_CSSPrimitiveType::Number: - if (dwType & FDE_CSSVALUETYPE_MaybeNumber) { - float fValue; - FDE_CSSNumberType eNumType; - if (ParseCSSNumber(pszValue, iValueLen, fValue, eNumType)) - list.push_back( - pdfium::MakeRetain<CFDE_CSSNumberValue>(eNumType, fValue)); - } - break; - case FDE_CSSPrimitiveType::String: - if (dwType & FDE_CSSVALUETYPE_MaybeColor) { - FX_ARGB dwColor; - if (ParseCSSColor(pszValue, iValueLen, &dwColor)) { - list.push_back(pdfium::MakeRetain<CFDE_CSSColorValue>(dwColor)); - continue; - } - } - if (dwType & FDE_CSSVALUETYPE_MaybeEnum) { - const FDE_CSSPropertyValueTable* pValue = - FDE_GetCSSPropertyValueByName( - CFX_WideStringC(pszValue, iValueLen)); - if (pValue) { - list.push_back( - pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName)); - continue; - } - } - if (dwType & FDE_CSSVALUETYPE_MaybeString) { - list.push_back(pdfium::MakeRetain<CFDE_CSSStringValue>( - CFX_WideString(pszValue, iValueLen))); - } - break; - case FDE_CSSPrimitiveType::RGB: - if (dwType & FDE_CSSVALUETYPE_MaybeColor) { - FX_ARGB dwColor; - if (ParseCSSColor(pszValue, iValueLen, &dwColor)) { - list.push_back(pdfium::MakeRetain<CFDE_CSSColorValue>(dwColor)); - } - } - break; - default: - break; - } - } - if (list.empty()) - return; - - switch (pTable->eName) { - case FDE_CSSProperty::BorderWidth: - Add4ValuesProperty(list, bImportant, FDE_CSSProperty::BorderLeftWidth, - FDE_CSSProperty::BorderTopWidth, - FDE_CSSProperty::BorderRightWidth, - FDE_CSSProperty::BorderBottomWidth); - return; - case FDE_CSSProperty::Margin: - Add4ValuesProperty(list, bImportant, FDE_CSSProperty::MarginLeft, - FDE_CSSProperty::MarginTop, - FDE_CSSProperty::MarginRight, - FDE_CSSProperty::MarginBottom); - return; - case FDE_CSSProperty::Padding: - Add4ValuesProperty(list, bImportant, FDE_CSSProperty::PaddingLeft, - FDE_CSSProperty::PaddingTop, - FDE_CSSProperty::PaddingRight, - FDE_CSSProperty::PaddingBottom); - return; - default: { - auto pList = pdfium::MakeRetain<CFDE_CSSValueList>(list); - AddPropertyHolder(pTable->eName, pList, bImportant); - return; - } - } -} - -void CFDE_CSSDeclaration::Add4ValuesProperty( - const std::vector<CFX_RetainPtr<CFDE_CSSValue>>& list, - bool bImportant, - FDE_CSSProperty eLeft, - FDE_CSSProperty eTop, - FDE_CSSProperty eRight, - FDE_CSSProperty eBottom) { - switch (list.size()) { - case 1: - AddPropertyHolder(eLeft, list[0], bImportant); - AddPropertyHolder(eTop, list[0], bImportant); - AddPropertyHolder(eRight, list[0], bImportant); - AddPropertyHolder(eBottom, list[0], bImportant); - return; - case 2: - AddPropertyHolder(eLeft, list[1], bImportant); - AddPropertyHolder(eTop, list[0], bImportant); - AddPropertyHolder(eRight, list[1], bImportant); - AddPropertyHolder(eBottom, list[0], bImportant); - return; - case 3: - AddPropertyHolder(eLeft, list[1], bImportant); - AddPropertyHolder(eTop, list[0], bImportant); - AddPropertyHolder(eRight, list[1], bImportant); - AddPropertyHolder(eBottom, list[2], bImportant); - return; - case 4: - AddPropertyHolder(eLeft, list[3], bImportant); - AddPropertyHolder(eTop, list[0], bImportant); - AddPropertyHolder(eRight, list[1], bImportant); - AddPropertyHolder(eBottom, list[2], bImportant); - return; - default: - break; - } -} - -bool CFDE_CSSDeclaration::ParseBorderProperty( - const wchar_t* pszValue, - int32_t iValueLen, - CFX_RetainPtr<CFDE_CSSValue>& pWidth) const { - pWidth.Reset(nullptr); - - CFDE_CSSValueListParser parser(pszValue, iValueLen, ' '); - FDE_CSSPrimitiveType eType; - while (parser.NextValue(eType, pszValue, iValueLen)) { - switch (eType) { - case FDE_CSSPrimitiveType::Number: { - if (pWidth) - continue; - - float fValue; - FDE_CSSNumberType eNumType; - if (ParseCSSNumber(pszValue, iValueLen, fValue, eNumType)) - pWidth = pdfium::MakeRetain<CFDE_CSSNumberValue>(eNumType, fValue); - break; - } - case FDE_CSSPrimitiveType::String: { - const FDE_CSSCOLORTABLE* pColorItem = - FDE_GetCSSColorByName(CFX_WideStringC(pszValue, iValueLen)); - if (pColorItem) - continue; - - const FDE_CSSPropertyValueTable* pValue = - FDE_GetCSSPropertyValueByName(CFX_WideStringC(pszValue, iValueLen)); - if (!pValue) - continue; - - switch (pValue->eName) { - case FDE_CSSPropertyValue::Thin: - case FDE_CSSPropertyValue::Thick: - case FDE_CSSPropertyValue::Medium: - if (!pWidth) - pWidth = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - break; - default: - break; - } - break; - } - default: - break; - } - } - if (!pWidth) - pWidth = pdfium::MakeRetain<CFDE_CSSNumberValue>(FDE_CSSNumberType::Number, - 0.0f); - - return true; -} - -void CFDE_CSSDeclaration::ParseFontProperty(const wchar_t* pszValue, - int32_t iValueLen, - bool bImportant) { - CFDE_CSSValueListParser parser(pszValue, iValueLen, '/'); - CFX_RetainPtr<CFDE_CSSValue> pStyle; - CFX_RetainPtr<CFDE_CSSValue> pVariant; - CFX_RetainPtr<CFDE_CSSValue> pWeight; - CFX_RetainPtr<CFDE_CSSValue> pFontSize; - CFX_RetainPtr<CFDE_CSSValue> pLineHeight; - std::vector<CFX_RetainPtr<CFDE_CSSValue>> familyList; - FDE_CSSPrimitiveType eType; - while (parser.NextValue(eType, pszValue, iValueLen)) { - switch (eType) { - case FDE_CSSPrimitiveType::String: { - const FDE_CSSPropertyValueTable* pValue = - FDE_GetCSSPropertyValueByName(CFX_WideStringC(pszValue, iValueLen)); - if (pValue) { - switch (pValue->eName) { - case FDE_CSSPropertyValue::XxSmall: - case FDE_CSSPropertyValue::XSmall: - case FDE_CSSPropertyValue::Small: - case FDE_CSSPropertyValue::Medium: - case FDE_CSSPropertyValue::Large: - case FDE_CSSPropertyValue::XLarge: - case FDE_CSSPropertyValue::XxLarge: - case FDE_CSSPropertyValue::Smaller: - case FDE_CSSPropertyValue::Larger: - if (!pFontSize) - pFontSize = - pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - continue; - case FDE_CSSPropertyValue::Bold: - case FDE_CSSPropertyValue::Bolder: - case FDE_CSSPropertyValue::Lighter: - if (!pWeight) - pWeight = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - continue; - case FDE_CSSPropertyValue::Italic: - case FDE_CSSPropertyValue::Oblique: - if (!pStyle) - pStyle = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - continue; - case FDE_CSSPropertyValue::SmallCaps: - if (!pVariant) - pVariant = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - continue; - case FDE_CSSPropertyValue::Normal: - if (!pStyle) - pStyle = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - else if (!pVariant) - pVariant = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - else if (!pWeight) - pWeight = pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - else if (!pFontSize) - pFontSize = - pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - else if (!pLineHeight) - pLineHeight = - pdfium::MakeRetain<CFDE_CSSEnumValue>(pValue->eName); - continue; - default: - break; - } - } - if (pFontSize) { - familyList.push_back(pdfium::MakeRetain<CFDE_CSSStringValue>( - CFX_WideString(pszValue, iValueLen))); - } - parser.m_Separator = ','; - break; - } - case FDE_CSSPrimitiveType::Number: { - float fValue; - FDE_CSSNumberType eNumType; - if (!ParseCSSNumber(pszValue, iValueLen, fValue, eNumType)) - break; - if (eType == FDE_CSSPrimitiveType::Number) { - switch ((int32_t)fValue) { - case 100: - case 200: - case 300: - case 400: - case 500: - case 600: - case 700: - case 800: - case 900: - if (!pWeight) - pWeight = pdfium::MakeRetain<CFDE_CSSNumberValue>( - FDE_CSSNumberType::Number, fValue); - continue; - } - } - if (!pFontSize) - pFontSize = pdfium::MakeRetain<CFDE_CSSNumberValue>(eNumType, fValue); - else if (!pLineHeight) - pLineHeight = - pdfium::MakeRetain<CFDE_CSSNumberValue>(eNumType, fValue); - break; - } - default: - break; - } - } - - if (!pStyle) { - pStyle = - pdfium::MakeRetain<CFDE_CSSEnumValue>(FDE_CSSPropertyValue::Normal); - } - if (!pVariant) { - pVariant = - pdfium::MakeRetain<CFDE_CSSEnumValue>(FDE_CSSPropertyValue::Normal); - } - if (!pWeight) { - pWeight = - pdfium::MakeRetain<CFDE_CSSEnumValue>(FDE_CSSPropertyValue::Normal); - } - if (!pFontSize) { - pFontSize = - pdfium::MakeRetain<CFDE_CSSEnumValue>(FDE_CSSPropertyValue::Medium); - } - if (!pLineHeight) { - pLineHeight = - pdfium::MakeRetain<CFDE_CSSEnumValue>(FDE_CSSPropertyValue::Normal); - } - - AddPropertyHolder(FDE_CSSProperty::FontStyle, pStyle, bImportant); - AddPropertyHolder(FDE_CSSProperty::FontVariant, pVariant, bImportant); - AddPropertyHolder(FDE_CSSProperty::FontWeight, pWeight, bImportant); - AddPropertyHolder(FDE_CSSProperty::FontSize, pFontSize, bImportant); - AddPropertyHolder(FDE_CSSProperty::LineHeight, pLineHeight, bImportant); - if (!familyList.empty()) { - auto pList = pdfium::MakeRetain<CFDE_CSSValueList>(familyList); - AddPropertyHolder(FDE_CSSProperty::FontFamily, pList, bImportant); - } -} - -size_t CFDE_CSSDeclaration::PropertyCountForTesting() const { - return properties_.size(); -} |