| // Copyright 2018 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 "core/fxcrt/css/cfx_cssdata.h" |
| |
| #include <algorithm> |
| #include <utility> |
| |
| #include "core/fxcrt/css/cfx_cssstyleselector.h" |
| #include "core/fxcrt/css/cfx_cssvaluelistparser.h" |
| #include "core/fxcrt/fx_codepage.h" |
| #include "core/fxcrt/fx_extension.h" |
| |
| namespace { |
| |
| const CFX_CSSData::Property propertyTable[] = { |
| {CFX_CSSProperty::BorderLeft, L"border-left", 0x04080036, |
| CFX_CSSVALUETYPE_Shorthand}, |
| {CFX_CSSProperty::Top, L"top", 0x0BEDAF33, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::Margin, L"margin", 0x0CB016BE, |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::TextIndent, L"text-indent", 0x169ADB74, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::Right, L"right", 0x193ADE3E, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::PaddingLeft, L"padding-left", 0x228CF02F, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::MarginLeft, L"margin-left", 0x297C5656, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | |
| CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::Border, L"border", 0x2A23349E, |
| CFX_CSSVALUETYPE_Shorthand}, |
| {CFX_CSSProperty::BorderTop, L"border-top", 0x2B866ADE, |
| CFX_CSSVALUETYPE_Shorthand}, |
| {CFX_CSSProperty::Bottom, L"bottom", 0x399F02B5, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::PaddingRight, L"padding-right", 0x3F616AC2, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::BorderBottom, L"border-bottom", 0x452CE780, |
| CFX_CSSVALUETYPE_Shorthand}, |
| {CFX_CSSProperty::FontFamily, L"font-family", 0x574686E6, |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeString}, |
| {CFX_CSSProperty::FontWeight, L"font-weight", 0x6692F60C, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::Color, L"color", 0x6E67921F, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeColor}, |
| {CFX_CSSProperty::LetterSpacing, L"letter-spacing", 0x70536102, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::TextAlign, L"text-align", 0x7553F1BD, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::BorderRightWidth, L"border-right-width", 0x8F5A6036, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::VerticalAlign, L"vertical-align", 0x934A87D2, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::PaddingTop, L"padding-top", 0x959D22B7, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::FontVariant, L"font-variant", 0x9C785779, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::BorderWidth, L"border-width", 0xA8DE4FEB, |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::BorderBottomWidth, L"border-bottom-width", 0xAE41204D, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::BorderRight, L"border-right", 0xB78E9EA9, |
| CFX_CSSVALUETYPE_Shorthand}, |
| {CFX_CSSProperty::FontSize, L"font-size", 0xB93956DF, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::BorderSpacing, L"border-spacing", 0xC72030F0, |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::FontStyle, L"font-style", 0xCB1950F5, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::Font, L"font", 0xCD308B77, CFX_CSSVALUETYPE_Shorthand}, |
| {CFX_CSSProperty::LineHeight, L"line-height", 0xCFCACE2E, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::MarginRight, L"margin-right", 0xD13C58C9, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | |
| CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::BorderLeftWidth, L"border-left-width", 0xD1E93D83, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::Display, L"display", 0xD4224C36, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::PaddingBottom, L"padding-bottom", 0xE555B3B9, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::BorderTopWidth, L"border-top-width", 0xED2CB62B, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::WordSpacing, L"word-spacing", 0xEDA63BAE, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::Left, L"left", 0xF5AD782B, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | |
| CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::TextDecoration, L"text-decoration", 0xF7C634BA, |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::Padding, L"padding", 0xF8C373F7, |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeNumber}, |
| {CFX_CSSProperty::MarginBottom, L"margin-bottom", 0xF93485A0, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | |
| CFX_CSSVALUETYPE_MaybeEnum}, |
| {CFX_CSSProperty::MarginTop, L"margin-top", 0xFE51DCFE, |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | |
| CFX_CSSVALUETYPE_MaybeEnum}, |
| }; |
| |
| const CFX_CSSData::PropertyValue propertyValueTable[] = { |
| {CFX_CSSPropertyValue::Bolder, L"bolder", 0x009F1058}, |
| {CFX_CSSPropertyValue::None, L"none", 0x048B6670}, |
| {CFX_CSSPropertyValue::Dot, L"dot", 0x0A48CB27}, |
| {CFX_CSSPropertyValue::Sub, L"sub", 0x0BD37FAA}, |
| {CFX_CSSPropertyValue::Top, L"top", 0x0BEDAF33}, |
| {CFX_CSSPropertyValue::Right, L"right", 0x193ADE3E}, |
| {CFX_CSSPropertyValue::Normal, L"normal", 0x247CF3E9}, |
| {CFX_CSSPropertyValue::Auto, L"auto", 0x2B35B6D9}, |
| {CFX_CSSPropertyValue::Text, L"text", 0x2D08AF85}, |
| {CFX_CSSPropertyValue::XSmall, L"x-small", 0x2D2FCAFE}, |
| {CFX_CSSPropertyValue::Thin, L"thin", 0x2D574D53}, |
| {CFX_CSSPropertyValue::Small, L"small", 0x316A3739}, |
| {CFX_CSSPropertyValue::Bottom, L"bottom", 0x399F02B5}, |
| {CFX_CSSPropertyValue::Underline, L"underline", 0x3A0273A6}, |
| {CFX_CSSPropertyValue::Double, L"double", 0x3D98515B}, |
| {CFX_CSSPropertyValue::Lighter, L"lighter", 0x45BEB7AF}, |
| {CFX_CSSPropertyValue::Oblique, L"oblique", 0x53EBDDB1}, |
| {CFX_CSSPropertyValue::Super, L"super", 0x6A4F842F}, |
| {CFX_CSSPropertyValue::Center, L"center", 0x6C51AFC1}, |
| {CFX_CSSPropertyValue::XxLarge, L"xx-large", 0x70BB1508}, |
| {CFX_CSSPropertyValue::Smaller, L"smaller", 0x849769F0}, |
| {CFX_CSSPropertyValue::Baseline, L"baseline", 0x87436BA3}, |
| {CFX_CSSPropertyValue::Thick, L"thick", 0x8CC35EB3}, |
| {CFX_CSSPropertyValue::Justify, L"justify", 0x8D269CAE}, |
| {CFX_CSSPropertyValue::Middle, L"middle", 0x947FA00F}, |
| {CFX_CSSPropertyValue::Medium, L"medium", 0xA084A381}, |
| {CFX_CSSPropertyValue::ListItem, L"list-item", 0xA32382B8}, |
| {CFX_CSSPropertyValue::XxSmall, L"xx-small", 0xADE1FC76}, |
| {CFX_CSSPropertyValue::Bold, L"bold", 0xB18313A1}, |
| {CFX_CSSPropertyValue::SmallCaps, L"small-caps", 0xB299428D}, |
| {CFX_CSSPropertyValue::Inline, L"inline", 0xC02D649F}, |
| {CFX_CSSPropertyValue::Overline, L"overline", 0xC0EC9FA4}, |
| {CFX_CSSPropertyValue::TextBottom, L"text-bottom", 0xC7D08D87}, |
| {CFX_CSSPropertyValue::Larger, L"larger", 0xCD3C409D}, |
| {CFX_CSSPropertyValue::InlineTable, L"inline-table", 0xD131F494}, |
| {CFX_CSSPropertyValue::InlineBlock, L"inline-block", 0xD26A8BD7}, |
| {CFX_CSSPropertyValue::Blink, L"blink", 0xDC36E390}, |
| {CFX_CSSPropertyValue::Block, L"block", 0xDCD480AB}, |
| {CFX_CSSPropertyValue::Italic, L"italic", 0xE31D5396}, |
| {CFX_CSSPropertyValue::LineThrough, L"line-through", 0xE4C5A276}, |
| {CFX_CSSPropertyValue::XLarge, L"x-large", 0xF008E390}, |
| {CFX_CSSPropertyValue::Large, L"large", 0xF4434FCB}, |
| {CFX_CSSPropertyValue::Left, L"left", 0xF5AD782B}, |
| {CFX_CSSPropertyValue::TextTop, L"text-top", 0xFCB58D45}, |
| }; |
| |
| const CFX_CSSData::LengthUnit lengthUnitTable[] = { |
| {L"cm", CFX_CSSNumberType::CentiMeters}, {L"em", CFX_CSSNumberType::EMS}, |
| {L"ex", CFX_CSSNumberType::EXS}, {L"in", CFX_CSSNumberType::Inches}, |
| {L"mm", CFX_CSSNumberType::MilliMeters}, {L"pc", CFX_CSSNumberType::Picas}, |
| {L"pt", CFX_CSSNumberType::Points}, {L"px", CFX_CSSNumberType::Pixels}, |
| }; |
| |
| // 16 colours from CSS 2.0 + alternate spelling of grey/gray. |
| const CFX_CSSData::Color colorTable[] = { |
| {L"aqua", 0xff00ffff}, {L"black", 0xff000000}, {L"blue", 0xff0000ff}, |
| {L"fuchsia", 0xffff00ff}, {L"gray", 0xff808080}, {L"green", 0xff008000}, |
| {L"grey", 0xff808080}, {L"lime", 0xff00ff00}, {L"maroon", 0xff800000}, |
| {L"navy", 0xff000080}, {L"olive", 0xff808000}, {L"orange", 0xffffa500}, |
| {L"purple", 0xff800080}, {L"red", 0xffff0000}, {L"silver", 0xffc0c0c0}, |
| {L"teal", 0xff008080}, {L"white", 0xffffffff}, {L"yellow", 0xffffff00}, |
| }; |
| |
| } // namespace |
| |
| const CFX_CSSData::Property* CFX_CSSData::GetPropertyByName( |
| WideStringView name) { |
| if (name.IsEmpty()) |
| return nullptr; |
| |
| uint32_t hash = FX_HashCode_GetW(name, true); |
| auto* result = |
| std::lower_bound(std::begin(propertyTable), std::end(propertyTable), hash, |
| [](const CFX_CSSData::Property& iter, |
| const uint32_t& hash) { return iter.dwHash < hash; }); |
| |
| if (result != std::end(propertyTable) && result->dwHash == hash) |
| return result; |
| return nullptr; |
| } |
| |
| const CFX_CSSData::Property* CFX_CSSData::GetPropertyByEnum( |
| CFX_CSSProperty property) { |
| return &propertyTable[static_cast<uint8_t>(property)]; |
| } |
| |
| const CFX_CSSData::PropertyValue* CFX_CSSData::GetPropertyValueByName( |
| WideStringView wsName) { |
| if (wsName.IsEmpty()) |
| return nullptr; |
| |
| uint32_t hash = FX_HashCode_GetW(wsName, true); |
| auto* result = std::lower_bound( |
| std::begin(propertyValueTable), std::end(propertyValueTable), hash, |
| [](const PropertyValue& iter, const uint32_t& hash) { |
| return iter.dwHash < hash; |
| }); |
| |
| if (result != std::end(propertyValueTable) && result->dwHash == hash) |
| return result; |
| return nullptr; |
| } |
| |
| const CFX_CSSData::LengthUnit* CFX_CSSData::GetLengthUnitByName( |
| WideStringView wsName) { |
| if (wsName.IsEmpty() || wsName.GetLength() != 2) |
| return nullptr; |
| |
| WideString lowerName = WideString(wsName); |
| lowerName.MakeLower(); |
| |
| for (auto* iter = std::begin(lengthUnitTable); |
| iter != std::end(lengthUnitTable); ++iter) { |
| if (lowerName.Compare(iter->value) == 0) |
| return iter; |
| } |
| |
| return nullptr; |
| } |
| |
| const CFX_CSSData::Color* CFX_CSSData::GetColorByName(WideStringView wsName) { |
| if (wsName.IsEmpty()) |
| return nullptr; |
| |
| WideString lowerName = WideString(wsName); |
| lowerName.MakeLower(); |
| |
| for (auto* iter = std::begin(colorTable); iter != std::end(colorTable); |
| ++iter) { |
| if (lowerName.Compare(iter->name) == 0) |
| return iter; |
| } |
| return nullptr; |
| } |
