| // 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_cssdatatable.h" |
| |
| #include "core/fxcrt/fx_ext.h" |
| #include "xfa/fgas/crt/fgas_codepage.h" |
| |
| namespace { |
| |
| uint8_t Hex2Dec(uint8_t hexHigh, uint8_t hexLow) { |
| return (FXSYS_toHexDigit(hexHigh) << 4) + FXSYS_toHexDigit(hexLow); |
| } |
| |
| } // namespace |
| |
| bool FDE_CSSLengthToFloat(const FDE_CSSLENGTH& len, |
| FX_FLOAT fPercentBase, |
| FX_FLOAT& fResult) { |
| switch (len.GetUnit()) { |
| case FDE_CSSLengthUnit::Point: |
| fResult = len.GetValue(); |
| return true; |
| case FDE_CSSLengthUnit::Percent: |
| fResult = len.GetValue() * fPercentBase; |
| return true; |
| default: |
| return false; |
| } |
| } |
| CFX_FloatRect FDE_CSSBoundaryToRect(IFDE_CSSBoundaryStyle* pBoundStyle, |
| FX_FLOAT fContainerWidth, |
| bool bPadding, |
| bool bBorder, |
| bool bMargin) { |
| FX_FLOAT fResult; |
| const FDE_CSSRECT* pRect; |
| CFX_FloatRect rect(0, 0, 0, 0); |
| if (bPadding) { |
| pRect = pBoundStyle->GetPaddingWidth(); |
| if (pRect) { |
| if (FDE_CSSLengthToFloat(pRect->left, fContainerWidth, fResult)) { |
| rect.left += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->top, fContainerWidth, fResult)) { |
| rect.top += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->right, fContainerWidth, fResult)) { |
| rect.right += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->bottom, fContainerWidth, fResult)) { |
| rect.bottom += fResult; |
| } |
| } |
| } |
| if (bBorder) { |
| pRect = pBoundStyle->GetBorderWidth(); |
| if (pRect) { |
| if (FDE_CSSLengthToFloat(pRect->left, fContainerWidth, fResult)) { |
| rect.left += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->top, fContainerWidth, fResult)) { |
| rect.top += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->right, fContainerWidth, fResult)) { |
| rect.right += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->bottom, fContainerWidth, fResult)) { |
| rect.bottom += fResult; |
| } |
| } |
| } |
| if (bMargin) { |
| pRect = pBoundStyle->GetMarginWidth(); |
| if (pRect) { |
| if (FDE_CSSLengthToFloat(pRect->left, fContainerWidth, fResult)) { |
| rect.left += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->top, fContainerWidth, fResult)) { |
| rect.top += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->right, fContainerWidth, fResult)) { |
| rect.right += fResult; |
| } |
| if (FDE_CSSLengthToFloat(pRect->bottom, fContainerWidth, fResult)) { |
| rect.bottom += fResult; |
| } |
| } |
| } |
| return rect; |
| } |
| uint32_t FDE_CSSFontStyleToFDE(IFDE_CSSFontStyle* pFontStyle) { |
| uint32_t dwFontStyle = FX_FONTSTYLE_Normal; |
| if (pFontStyle->GetFontStyle() == FDE_CSSFontStyle::Italic) { |
| dwFontStyle |= FX_FONTSTYLE_Italic; |
| } |
| if (pFontStyle->GetFontWeight() >= 700) { |
| dwFontStyle |= FX_FONTSTYLE_Bold; |
| } |
| return dwFontStyle; |
| } |
| |
| static const FDE_CSSPropertyTable g_FDE_CSSProperties[] = { |
| {FDE_CSSProperty::BorderLeft, L"border-left", 0x04080036, |
| FDE_CSSVALUETYPE_Shorthand}, |
| {FDE_CSSProperty::Top, L"top", 0x0BEDAF33, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::Margin, L"margin", 0x0CB016BE, |
| FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::TextIndent, L"text-indent", 0x169ADB74, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::Right, L"right", 0x193ADE3E, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::PaddingLeft, L"padding-left", 0x228CF02F, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::MarginLeft, L"margin-left", 0x297C5656, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber | |
| FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::Border, L"border", 0x2A23349E, |
| FDE_CSSVALUETYPE_Shorthand}, |
| {FDE_CSSProperty::BorderTop, L"border-top", 0x2B866ADE, |
| FDE_CSSVALUETYPE_Shorthand}, |
| {FDE_CSSProperty::Bottom, L"bottom", 0x399F02B5, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::PaddingRight, L"padding-right", 0x3F616AC2, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::BorderBottom, L"border-bottom", 0x452CE780, |
| FDE_CSSVALUETYPE_Shorthand}, |
| {FDE_CSSProperty::FontFamily, L"font-family", 0x574686E6, |
| FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeString}, |
| {FDE_CSSProperty::FontWeight, L"font-weight", 0x6692F60C, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::Color, L"color", 0x6E67921F, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeColor}, |
| {FDE_CSSProperty::LetterSpacing, L"letter-spacing", 0x70536102, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::TextAlign, L"text-align", 0x7553F1BD, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::BorderRightWidth, L"border-right-width", 0x8F5A6036, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::VerticalAlign, L"vertical-align", 0x934A87D2, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::PaddingTop, L"padding-top", 0x959D22B7, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::FontVariant, L"font-variant", 0x9C785779, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::BorderWidth, L"border-width", 0xA8DE4FEB, |
| FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::BorderBottomWidth, L"border-bottom-width", 0xAE41204D, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::BorderRight, L"border-right", 0xB78E9EA9, |
| FDE_CSSVALUETYPE_Shorthand}, |
| {FDE_CSSProperty::FontSize, L"font-size", 0xB93956DF, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::BorderSpacing, L"border-spacing", 0xC72030F0, |
| FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::FontStyle, L"font-style", 0xCB1950F5, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::Font, L"font", 0xCD308B77, FDE_CSSVALUETYPE_Shorthand}, |
| {FDE_CSSProperty::LineHeight, L"line-height", 0xCFCACE2E, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::MarginRight, L"margin-right", 0xD13C58C9, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber | |
| FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::BorderLeftWidth, L"border-left-width", 0xD1E93D83, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::Display, L"display", 0xD4224C36, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::PaddingBottom, L"padding-bottom", 0xE555B3B9, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::BorderTopWidth, L"border-top-width", 0xED2CB62B, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::WordSpacing, L"word-spacing", 0xEDA63BAE, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::Left, L"left", 0xF5AD782B, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeEnum | |
| FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::TextDecoration, L"text-decoration", 0xF7C634BA, |
| FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::Padding, L"padding", 0xF8C373F7, |
| FDE_CSSVALUETYPE_List | FDE_CSSVALUETYPE_MaybeNumber}, |
| {FDE_CSSProperty::MarginBottom, L"margin-bottom", 0xF93485A0, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber | |
| FDE_CSSVALUETYPE_MaybeEnum}, |
| {FDE_CSSProperty::MarginTop, L"margin-top", 0xFE51DCFE, |
| FDE_CSSVALUETYPE_Primitive | FDE_CSSVALUETYPE_MaybeNumber | |
| FDE_CSSVALUETYPE_MaybeEnum}, |
| }; |
| const int32_t g_iCSSPropertyCount = |
| sizeof(g_FDE_CSSProperties) / sizeof(FDE_CSSPropertyTable); |
| static_assert(g_iCSSPropertyCount == |
| static_cast<int32_t>(FDE_CSSProperty::LAST_MARKER), |
| "Property table differs in size from property enum"); |
| |
| static const FDE_CSSPropertyValueTable g_FDE_CSSPropertyValues[] = { |
| {FDE_CSSPropertyValue::Bolder, L"bolder", 0x009F1058}, |
| {FDE_CSSPropertyValue::None, L"none", 0x048B6670}, |
| {FDE_CSSPropertyValue::Dot, L"dot", 0x0A48CB27}, |
| {FDE_CSSPropertyValue::Sub, L"sub", 0x0BD37FAA}, |
| {FDE_CSSPropertyValue::Top, L"top", 0x0BEDAF33}, |
| {FDE_CSSPropertyValue::Right, L"right", 0x193ADE3E}, |
| {FDE_CSSPropertyValue::Normal, L"normal", 0x247CF3E9}, |
| {FDE_CSSPropertyValue::Auto, L"auto", 0x2B35B6D9}, |
| {FDE_CSSPropertyValue::Text, L"text", 0x2D08AF85}, |
| {FDE_CSSPropertyValue::XSmall, L"x-small", 0x2D2FCAFE}, |
| {FDE_CSSPropertyValue::Thin, L"thin", 0x2D574D53}, |
| {FDE_CSSPropertyValue::Small, L"small", 0x316A3739}, |
| {FDE_CSSPropertyValue::Bottom, L"bottom", 0x399F02B5}, |
| {FDE_CSSPropertyValue::Underline, L"underline", 0x3A0273A6}, |
| {FDE_CSSPropertyValue::Double, L"double", 0x3D98515B}, |
| {FDE_CSSPropertyValue::Lighter, L"lighter", 0x45BEB7AF}, |
| {FDE_CSSPropertyValue::Oblique, L"oblique", 0x53EBDDB1}, |
| {FDE_CSSPropertyValue::Super, L"super", 0x6A4F842F}, |
| {FDE_CSSPropertyValue::Center, L"center", 0x6C51AFC1}, |
| {FDE_CSSPropertyValue::XxLarge, L"xx-large", 0x70BB1508}, |
| {FDE_CSSPropertyValue::Smaller, L"smaller", 0x849769F0}, |
| {FDE_CSSPropertyValue::Baseline, L"baseline", 0x87436BA3}, |
| {FDE_CSSPropertyValue::Thick, L"thick", 0x8CC35EB3}, |
| {FDE_CSSPropertyValue::Justify, L"justify", 0x8D269CAE}, |
| {FDE_CSSPropertyValue::Middle, L"middle", 0x947FA00F}, |
| {FDE_CSSPropertyValue::Medium, L"medium", 0xA084A381}, |
| {FDE_CSSPropertyValue::ListItem, L"list-item", 0xA32382B8}, |
| {FDE_CSSPropertyValue::XxSmall, L"xx-small", 0xADE1FC76}, |
| {FDE_CSSPropertyValue::Bold, L"bold", 0xB18313A1}, |
| {FDE_CSSPropertyValue::SmallCaps, L"small-caps", 0xB299428D}, |
| {FDE_CSSPropertyValue::Inline, L"inline", 0xC02D649F}, |
| {FDE_CSSPropertyValue::Overline, L"overline", 0xC0EC9FA4}, |
| {FDE_CSSPropertyValue::TextBottom, L"text-bottom", 0xC7D08D87}, |
| {FDE_CSSPropertyValue::Larger, L"larger", 0xCD3C409D}, |
| {FDE_CSSPropertyValue::InlineTable, L"inline-table", 0xD131F494}, |
| {FDE_CSSPropertyValue::InlineBlock, L"inline-block", 0xD26A8BD7}, |
| {FDE_CSSPropertyValue::Blink, L"blink", 0xDC36E390}, |
| {FDE_CSSPropertyValue::Block, L"block", 0xDCD480AB}, |
| {FDE_CSSPropertyValue::Italic, L"italic", 0xE31D5396}, |
| {FDE_CSSPropertyValue::LineThrough, L"line-through", 0xE4C5A276}, |
| {FDE_CSSPropertyValue::XLarge, L"x-large", 0xF008E390}, |
| {FDE_CSSPropertyValue::Large, L"large", 0xF4434FCB}, |
| {FDE_CSSPropertyValue::Left, L"left", 0xF5AD782B}, |
| {FDE_CSSPropertyValue::TextTop, L"text-top", 0xFCB58D45}, |
| }; |
| const int32_t g_iCSSPropertyValueCount = |
| sizeof(g_FDE_CSSPropertyValues) / sizeof(FDE_CSSPropertyValueTable); |
| static_assert(g_iCSSPropertyValueCount == |
| static_cast<int32_t>(FDE_CSSPropertyValue::LAST_MARKER), |
| "Property value table differs in size from property value enum"); |
| |
| static const FDE_CSSMEDIATYPETABLE g_FDE_CSSMediaTypes[] = { |
| {0xF09, FDE_CSSMEDIATYPE_Emboss}, {FDE_CSSMEDIATYPE_Screen}, |
| {0x536A, FDE_CSSMEDIATYPE_TV}, {0x741D, FDE_CSSMEDIATYPE_Projection}, |
| {0x76ED, FDE_CSSMEDIATYPE_Print}, {0x7CFB, FDE_CSSMEDIATYPE_Braille}, |
| {0x9578, FDE_CSSMEDIATYPE_Handheld}, {0xC8E1, FDE_CSSMEDIATYPE_TTY}, |
| {0xD0F9, FDE_CSSMEDIATYPE_ALL}, |
| }; |
| |
| static const FDE_CSSLengthUnitTable g_FDE_CSSLengthUnits[] = { |
| {0x0672, FDE_CSSPrimitiveType::EMS}, |
| {0x067D, FDE_CSSPrimitiveType::EXS}, |
| {0x1AF7, FDE_CSSPrimitiveType::Inches}, |
| {0x2F7A, FDE_CSSPrimitiveType::MilliMeters}, |
| {0x3ED3, FDE_CSSPrimitiveType::Picas}, |
| {0x3EE4, FDE_CSSPrimitiveType::Points}, |
| {0x3EE8, FDE_CSSPrimitiveType::Pixels}, |
| {0xFC30, FDE_CSSPrimitiveType::CentiMeters}, |
| }; |
| |
| static const FDE_CSSCOLORTABLE g_FDE_CSSColors[] = { |
| {0x031B47FE, 0xff000080}, {0x0BB8DF5B, 0xffff0000}, |
| {0x0D82A78C, 0xff800000}, {0x2ACC82E8, 0xff00ffff}, |
| {0x2D083986, 0xff008080}, {0x4A6A6195, 0xffc0c0c0}, |
| {0x546A8EF3, 0xff808080}, {0x65C9169C, 0xffffa500}, |
| {0x8422BB61, 0xffffffff}, {0x9271A558, 0xff800080}, |
| {0xA65A3EE3, 0xffff00ff}, {0xB1345708, 0xff0000ff}, |
| {0xB6D2CF1F, 0xff808000}, {0xD19B5E1C, 0xffffff00}, |
| {0xDB64391D, 0xff000000}, {0xF616D507, 0xff00ff00}, |
| {0xF6EFFF31, 0xff008000}, |
| }; |
| |
| static const FDE_CSSPseudoTable g_FDE_CSSPseudoType[] = { |
| {FDE_CSSPseudo::After, L":after", 0x16EE1FEC}, |
| {FDE_CSSPseudo::Before, L":before", 0x7DCDDE2D}, |
| }; |
| |
| const FDE_CSSPseudoTable* FDE_GetCSSPseudoByEnum(FDE_CSSPseudo ePseudo) { |
| return g_FDE_CSSPseudoType + static_cast<int>(ePseudo); |
| } |
| |
| const FDE_CSSPropertyTable* FDE_GetCSSPropertyByName( |
| const CFX_WideStringC& wsName) { |
| ASSERT(!wsName.IsEmpty()); |
| uint32_t dwHash = FX_HashCode_GetW(wsName, true); |
| int32_t iEnd = g_iCSSPropertyCount; |
| int32_t iMid, iStart = 0; |
| uint32_t dwMid; |
| do { |
| iMid = (iStart + iEnd) / 2; |
| dwMid = g_FDE_CSSProperties[iMid].dwHash; |
| if (dwHash == dwMid) { |
| return g_FDE_CSSProperties + iMid; |
| } else if (dwHash > dwMid) { |
| iStart = iMid + 1; |
| } else { |
| iEnd = iMid - 1; |
| } |
| } while (iStart <= iEnd); |
| return nullptr; |
| } |
| |
| const FDE_CSSPropertyTable* FDE_GetCSSPropertyByEnum(FDE_CSSProperty eName) { |
| return g_FDE_CSSProperties + static_cast<int>(eName); |
| } |
| |
| const FDE_CSSPropertyValueTable* FDE_GetCSSPropertyValueByName( |
| const CFX_WideStringC& wsName) { |
| ASSERT(!wsName.IsEmpty()); |
| uint32_t dwHash = FX_HashCode_GetW(wsName, true); |
| int32_t iEnd = g_iCSSPropertyValueCount; |
| int32_t iMid, iStart = 0; |
| uint32_t dwMid; |
| do { |
| iMid = (iStart + iEnd) / 2; |
| dwMid = g_FDE_CSSPropertyValues[iMid].dwHash; |
| if (dwHash == dwMid) { |
| return g_FDE_CSSPropertyValues + iMid; |
| } else if (dwHash > dwMid) { |
| iStart = iMid + 1; |
| } else { |
| iEnd = iMid - 1; |
| } |
| } while (iStart <= iEnd); |
| return nullptr; |
| } |
| |
| const FDE_CSSPropertyValueTable* FDE_GetCSSPropertyValueByEnum( |
| FDE_CSSPropertyValue eName) { |
| return g_FDE_CSSPropertyValues + static_cast<int>(eName); |
| } |
| |
| const FDE_CSSMEDIATYPETABLE* FDE_GetCSSMediaTypeByName( |
| const CFX_WideStringC& wsName) { |
| ASSERT(!wsName.IsEmpty()); |
| uint16_t wHash = FX_HashCode_GetW(wsName, true); |
| int32_t iEnd = |
| sizeof(g_FDE_CSSMediaTypes) / sizeof(FDE_CSSMEDIATYPETABLE) - 1; |
| int32_t iMid, iStart = 0; |
| uint16_t uMid; |
| do { |
| iMid = (iStart + iEnd) / 2; |
| uMid = g_FDE_CSSMediaTypes[iMid].wHash; |
| if (wHash == uMid) { |
| return g_FDE_CSSMediaTypes + iMid; |
| } else if (wHash > uMid) { |
| iStart = iMid + 1; |
| } else { |
| iEnd = iMid - 1; |
| } |
| } while (iStart <= iEnd); |
| return nullptr; |
| } |
| |
| const FDE_CSSLengthUnitTable* FDE_GetCSSLengthUnitByName( |
| const CFX_WideStringC& wsName) { |
| ASSERT(!wsName.IsEmpty()); |
| uint16_t wHash = FX_HashCode_GetW(wsName, true); |
| int32_t iEnd = |
| sizeof(g_FDE_CSSLengthUnits) / sizeof(FDE_CSSLengthUnitTable) - 1; |
| int32_t iMid, iStart = 0; |
| uint16_t wMid; |
| do { |
| iMid = (iStart + iEnd) / 2; |
| wMid = g_FDE_CSSLengthUnits[iMid].wHash; |
| if (wHash == wMid) { |
| return g_FDE_CSSLengthUnits + iMid; |
| } else if (wHash > wMid) { |
| iStart = iMid + 1; |
| } else { |
| iEnd = iMid - 1; |
| } |
| } while (iStart <= iEnd); |
| return nullptr; |
| } |
| |
| const FDE_CSSCOLORTABLE* FDE_GetCSSColorByName(const CFX_WideStringC& wsName) { |
| ASSERT(!wsName.IsEmpty()); |
| uint32_t dwHash = FX_HashCode_GetW(wsName, true); |
| int32_t iEnd = sizeof(g_FDE_CSSColors) / sizeof(FDE_CSSCOLORTABLE) - 1; |
| int32_t iMid, iStart = 0; |
| uint32_t dwMid; |
| do { |
| iMid = (iStart + iEnd) / 2; |
| dwMid = g_FDE_CSSColors[iMid].dwHash; |
| if (dwHash == dwMid) { |
| return g_FDE_CSSColors + iMid; |
| } else if (dwHash > dwMid) { |
| iStart = iMid + 1; |
| } else { |
| iEnd = iMid - 1; |
| } |
| } while (iStart <= iEnd); |
| return nullptr; |
| } |
| |
| bool FDE_ParseCSSNumber(const FX_WCHAR* pszValue, |
| int32_t iValueLen, |
| FX_FLOAT& fValue, |
| FDE_CSSPrimitiveType& 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_CSSPrimitiveType::Number; |
| if (iValueLen >= 1 && *pszValue == '%') { |
| eUnit = FDE_CSSPrimitiveType::Percent; |
| } else if (iValueLen == 2) { |
| const FDE_CSSLengthUnitTable* pUnit = |
| FDE_GetCSSLengthUnitByName(CFX_WideStringC(pszValue, 2)); |
| if (pUnit) |
| eUnit = pUnit->wValue; |
| } |
| return true; |
| } |
| |
| bool FDE_ParseCSSString(const FX_WCHAR* pszValue, |
| int32_t iValueLen, |
| int32_t* iOffset, |
| int32_t* iLength) { |
| ASSERT(pszValue && iValueLen > 0); |
| *iOffset = 0; |
| *iLength = iValueLen; |
| if (iValueLen >= 2) { |
| FX_WCHAR first = pszValue[0], last = pszValue[iValueLen - 1]; |
| if ((first == '\"' && last == '\"') || (first == '\'' && last == '\'')) { |
| *iOffset = 1; |
| *iLength -= 2; |
| } |
| } |
| return iValueLen > 0; |
| } |
| |
| bool FDE_ParseCSSURI(const FX_WCHAR* pszValue, |
| int32_t* iOffset, |
| int32_t* iLength) { |
| ASSERT(pszValue && *iLength > 0); |
| if (*iLength < 6 || pszValue[*iLength - 1] != ')' || |
| FXSYS_wcsnicmp(L"url(", pszValue, 4)) { |
| return false; |
| } |
| if (FDE_ParseCSSString(pszValue + 4, *iLength - 5, iOffset, iLength)) { |
| *iOffset += 4; |
| return true; |
| } |
| return false; |
| } |
| |
| bool FDE_ParseCSSColor(const FX_WCHAR* pszValue, |
| int32_t iValueLen, |
| FX_ARGB& dwColor) { |
| ASSERT(pszValue && iValueLen > 0); |
| |
| 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}; |
| FX_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; |
| if (!FDE_ParseCSSNumber(pszValue, iValueLen, fValue, eType)) |
| return false; |
| |
| rgb[i] = eType == FDE_CSSPrimitiveType::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_CSSValueList::CFDE_CSSValueList(const CFDE_CSSValueArray& list) { |
| m_iCount = list.GetSize(); |
| int32_t iByteCount = m_iCount * sizeof(IFDE_CSSValue*); |
| m_ppList = (IFDE_CSSValue**)FX_Alloc(uint8_t, iByteCount); |
| FXSYS_memcpy(m_ppList, list.GetData(), iByteCount); |
| } |
| |
| int32_t CFDE_CSSValueList::CountValues() const { |
| return m_iCount; |
| } |
| |
| IFDE_CSSValue* CFDE_CSSValueList::GetValue(int32_t index) const { |
| return m_ppList[index]; |
| } |
| bool CFDE_CSSValueListParser::NextValue(FDE_CSSPrimitiveType& eType, |
| const FX_WCHAR*& pStart, |
| int32_t& iLength) { |
| while (m_pCur < m_pEnd && (*m_pCur <= ' ' || *m_pCur == m_Separator)) { |
| ++m_pCur; |
| } |
| if (m_pCur >= m_pEnd) { |
| return false; |
| } |
| eType = FDE_CSSPrimitiveType::Unknown; |
| pStart = m_pCur; |
| iLength = 0; |
| FX_WCHAR wch = *m_pCur; |
| if (wch == '#') { |
| iLength = SkipTo(' '); |
| if (iLength == 4 || iLength == 7) { |
| eType = FDE_CSSPrimitiveType::RGB; |
| } |
| } else if ((wch >= '0' && wch <= '9') || wch == '.' || wch == '-' || |
| wch == '+') { |
| while (m_pCur < m_pEnd && (*m_pCur > ' ' && *m_pCur != m_Separator)) { |
| ++m_pCur; |
| } |
| iLength = m_pCur - pStart; |
| if (iLength > 0) { |
| eType = FDE_CSSPrimitiveType::Number; |
| } |
| } else if (wch == '\"' || wch == '\'') { |
| pStart++; |
| iLength = SkipTo(wch) - 1; |
| m_pCur++; |
| eType = FDE_CSSPrimitiveType::String; |
| } else if (m_pEnd - m_pCur > 5 && m_pCur[3] == '(') { |
| if (FXSYS_wcsnicmp(L"url", m_pCur, 3) == 0) { |
| wch = m_pCur[4]; |
| if (wch == '\"' || wch == '\'') { |
| pStart += 5; |
| iLength = SkipTo(wch) - 6; |
| m_pCur += 2; |
| } else { |
| pStart += 4; |
| iLength = SkipTo(')') - 4; |
| m_pCur++; |
| } |
| eType = FDE_CSSPrimitiveType::URI; |
| } else if (FXSYS_wcsnicmp(L"rgb", m_pCur, 3) == 0) { |
| iLength = SkipTo(')') + 1; |
| m_pCur++; |
| eType = FDE_CSSPrimitiveType::RGB; |
| } |
| } else { |
| iLength = SkipTo(m_Separator, true, true); |
| eType = FDE_CSSPrimitiveType::String; |
| } |
| return m_pCur <= m_pEnd && iLength > 0; |
| } |
| int32_t CFDE_CSSValueListParser::SkipTo(FX_WCHAR wch, |
| bool bWSSeparator, |
| bool bBrContinue) { |
| const FX_WCHAR* pStart = m_pCur; |
| if (!bBrContinue) { |
| if (bWSSeparator) { |
| while ((++m_pCur < m_pEnd) && (*m_pCur != wch) && (*m_pCur > ' ')) { |
| continue; |
| } |
| } else { |
| while (++m_pCur < m_pEnd && *m_pCur != wch) { |
| continue; |
| } |
| } |
| |
| } else { |
| int32_t iBracketCount = 0; |
| if (bWSSeparator) { |
| while ((m_pCur < m_pEnd) && (*m_pCur != wch) && (*m_pCur > ' ')) { |
| if (*m_pCur == '(') { |
| iBracketCount++; |
| } else if (*m_pCur == ')') { |
| iBracketCount--; |
| } |
| m_pCur++; |
| } |
| } else { |
| while (m_pCur < m_pEnd && *m_pCur != wch) { |
| if (*m_pCur == '(') { |
| iBracketCount++; |
| } else if (*m_pCur == ')') { |
| iBracketCount--; |
| } |
| m_pCur++; |
| } |
| } |
| while (iBracketCount > 0 && m_pCur < m_pEnd) { |
| if (*m_pCur == ')') { |
| iBracketCount--; |
| } |
| m_pCur++; |
| } |
| } |
| return m_pCur - pStart; |
| } |
| |
| CFDE_CSSPrimitiveValue::CFDE_CSSPrimitiveValue( |
| const CFDE_CSSPrimitiveValue& src) = default; |
| |
| CFDE_CSSPrimitiveValue::CFDE_CSSPrimitiveValue(FX_ARGB color) |
| : m_eType(FDE_CSSPrimitiveType::RGB), m_dwColor(color) {} |
| |
| CFDE_CSSPrimitiveValue::CFDE_CSSPrimitiveValue(FDE_CSSPropertyValue eValue) |
| : m_eType(FDE_CSSPrimitiveType::Enum), m_eEnum(eValue) {} |
| |
| CFDE_CSSPrimitiveValue::CFDE_CSSPrimitiveValue(FDE_CSSPrimitiveType eType, |
| FX_FLOAT fValue) |
| : m_eType(eType), m_fNumber(fValue) {} |
| |
| CFDE_CSSPrimitiveValue::CFDE_CSSPrimitiveValue(FDE_CSSPrimitiveType eType, |
| const FX_WCHAR* pValue) |
| : m_eType(eType), m_pString(pValue) { |
| ASSERT(m_pString); |
| } |
| |
| CFDE_CSSPrimitiveValue::CFDE_CSSPrimitiveValue(CFDE_CSSFunction* pFunction) |
| : m_eType(FDE_CSSPrimitiveType::Function), m_pFunction(pFunction) {} |
| |
| FDE_CSSPrimitiveType CFDE_CSSPrimitiveValue::GetPrimitiveType() const { |
| return m_eType; |
| } |
| |
| FX_ARGB CFDE_CSSPrimitiveValue::GetRGBColor() const { |
| ASSERT(m_eType == FDE_CSSPrimitiveType::RGB); |
| return m_dwColor; |
| } |
| |
| FX_FLOAT CFDE_CSSPrimitiveValue::GetFloat() const { |
| ASSERT(m_eType >= FDE_CSSPrimitiveType::Number && |
| m_eType <= FDE_CSSPrimitiveType::Picas); |
| return m_fNumber; |
| } |
| |
| const FX_WCHAR* CFDE_CSSPrimitiveValue::GetString(int32_t& iLength) const { |
| ASSERT(m_eType >= FDE_CSSPrimitiveType::String && |
| m_eType <= FDE_CSSPrimitiveType::URI); |
| iLength = FXSYS_wcslen(m_pString); |
| return m_pString; |
| } |
| |
| FDE_CSSPropertyValue CFDE_CSSPrimitiveValue::GetEnum() const { |
| ASSERT(m_eType == FDE_CSSPrimitiveType::Enum); |
| return m_eEnum; |
| } |
| |
| const FX_WCHAR* CFDE_CSSPrimitiveValue::GetFuncName() const { |
| ASSERT(m_eType == FDE_CSSPrimitiveType::Function); |
| return m_pFunction->GetFuncName(); |
| } |
| |
| int32_t CFDE_CSSPrimitiveValue::CountArgs() const { |
| ASSERT(m_eType == FDE_CSSPrimitiveType::Function); |
| return m_pFunction->CountArgs(); |
| } |
| |
| IFDE_CSSValue* CFDE_CSSPrimitiveValue::GetArgs(int32_t index) const { |
| ASSERT(m_eType == FDE_CSSPrimitiveType::Function); |
| return m_pFunction->GetArgs(index); |
| } |
