| // 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 { | |
| #undef PROP | |
| #define PROP(a, b, c, d) a, c, d | |
| const CFX_CSSData::Property propertyTable[] = { | |
| {PROP(CFX_CSSProperty::BorderLeft, | |
| "border-left", | |
| 0x04080036, | |
| CFX_CSSVALUETYPE_Shorthand)}, | |
| {PROP(CFX_CSSProperty::Top, | |
| "top", | |
| 0x0BEDAF33, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::Margin, | |
| "margin", | |
| 0x0CB016BE, | |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::TextIndent, | |
| "text-indent", | |
| 0x169ADB74, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::Right, | |
| "right", | |
| 0x193ADE3E, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::PaddingLeft, | |
| "padding-left", | |
| 0x228CF02F, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::MarginLeft, | |
| "margin-left", | |
| 0x297C5656, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | | |
| CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::Border, | |
| "border", | |
| 0x2A23349E, | |
| CFX_CSSVALUETYPE_Shorthand)}, | |
| {PROP(CFX_CSSProperty::BorderTop, | |
| "border-top", | |
| 0x2B866ADE, | |
| CFX_CSSVALUETYPE_Shorthand)}, | |
| {PROP(CFX_CSSProperty::Bottom, | |
| "bottom", | |
| 0x399F02B5, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::PaddingRight, | |
| "padding-right", | |
| 0x3F616AC2, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::BorderBottom, | |
| "border-bottom", | |
| 0x452CE780, | |
| CFX_CSSVALUETYPE_Shorthand)}, | |
| {PROP(CFX_CSSProperty::FontFamily, | |
| "font-family", | |
| 0x574686E6, | |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeString)}, | |
| {PROP(CFX_CSSProperty::FontWeight, | |
| "font-weight", | |
| 0x6692F60C, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::Color, | |
| "color", | |
| 0x6E67921F, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeColor)}, | |
| {PROP(CFX_CSSProperty::LetterSpacing, | |
| "letter-spacing", | |
| 0x70536102, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::TextAlign, | |
| "text-align", | |
| 0x7553F1BD, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::BorderRightWidth, | |
| "border-right-width", | |
| 0x8F5A6036, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::VerticalAlign, | |
| "vertical-align", | |
| 0x934A87D2, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::PaddingTop, | |
| "padding-top", | |
| 0x959D22B7, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::FontVariant, | |
| "font-variant", | |
| 0x9C785779, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::BorderWidth, | |
| "border-width", | |
| 0xA8DE4FEB, | |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::BorderBottomWidth, | |
| "border-bottom-width", | |
| 0xAE41204D, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::BorderRight, | |
| "border-right", | |
| 0xB78E9EA9, | |
| CFX_CSSVALUETYPE_Shorthand)}, | |
| {PROP(CFX_CSSProperty::FontSize, | |
| "font-size", | |
| 0xB93956DF, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::BorderSpacing, | |
| "border-spacing", | |
| 0xC72030F0, | |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::FontStyle, | |
| "font-style", | |
| 0xCB1950F5, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::Font, | |
| "font", | |
| 0xCD308B77, | |
| CFX_CSSVALUETYPE_Shorthand)}, | |
| {PROP(CFX_CSSProperty::LineHeight, | |
| "line-height", | |
| 0xCFCACE2E, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::MarginRight, | |
| "margin-right", | |
| 0xD13C58C9, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | | |
| CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::BorderLeftWidth, | |
| "border-left-width", | |
| 0xD1E93D83, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::Display, | |
| "display", | |
| 0xD4224C36, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::PaddingBottom, | |
| "padding-bottom", | |
| 0xE555B3B9, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::BorderTopWidth, | |
| "border-top-width", | |
| 0xED2CB62B, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::WordSpacing, | |
| "word-spacing", | |
| 0xEDA63BAE, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::Left, | |
| "left", | |
| 0xF5AD782B, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum | | |
| CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::TextDecoration, | |
| "text-decoration", | |
| 0xF7C634BA, | |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::Padding, | |
| "padding", | |
| 0xF8C373F7, | |
| CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeNumber)}, | |
| {PROP(CFX_CSSProperty::MarginBottom, | |
| "margin-bottom", | |
| 0xF93485A0, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | | |
| CFX_CSSVALUETYPE_MaybeEnum)}, | |
| {PROP(CFX_CSSProperty::MarginTop, | |
| "margin-top", | |
| 0xFE51DCFE, | |
| CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber | | |
| CFX_CSSVALUETYPE_MaybeEnum)}, | |
| }; | |
| #undef PROP | |
| #undef PVAL | |
| #define PVAL(a, b, c) a, c | |
| const CFX_CSSData::PropertyValue propertyValueTable[] = { | |
| {PVAL(CFX_CSSPropertyValue::Bolder, "bolder", 0x009F1058)}, | |
| {PVAL(CFX_CSSPropertyValue::None, "none", 0x048B6670)}, | |
| {PVAL(CFX_CSSPropertyValue::Dot, "dot", 0x0A48CB27)}, | |
| {PVAL(CFX_CSSPropertyValue::Sub, "sub", 0x0BD37FAA)}, | |
| {PVAL(CFX_CSSPropertyValue::Top, "top", 0x0BEDAF33)}, | |
| {PVAL(CFX_CSSPropertyValue::Right, "right", 0x193ADE3E)}, | |
| {PVAL(CFX_CSSPropertyValue::Normal, "normal", 0x247CF3E9)}, | |
| {PVAL(CFX_CSSPropertyValue::Auto, "auto", 0x2B35B6D9)}, | |
| {PVAL(CFX_CSSPropertyValue::Text, "text", 0x2D08AF85)}, | |
| {PVAL(CFX_CSSPropertyValue::XSmall, "x-small", 0x2D2FCAFE)}, | |
| {PVAL(CFX_CSSPropertyValue::Thin, "thin", 0x2D574D53)}, | |
| {PVAL(CFX_CSSPropertyValue::Small, "small", 0x316A3739)}, | |
| {PVAL(CFX_CSSPropertyValue::Bottom, "bottom", 0x399F02B5)}, | |
| {PVAL(CFX_CSSPropertyValue::Underline, "underline", 0x3A0273A6)}, | |
| {PVAL(CFX_CSSPropertyValue::Double, "double", 0x3D98515B)}, | |
| {PVAL(CFX_CSSPropertyValue::Lighter, "lighter", 0x45BEB7AF)}, | |
| {PVAL(CFX_CSSPropertyValue::Oblique, "oblique", 0x53EBDDB1)}, | |
| {PVAL(CFX_CSSPropertyValue::Super, "super", 0x6A4F842F)}, | |
| {PVAL(CFX_CSSPropertyValue::Center, "center", 0x6C51AFC1)}, | |
| {PVAL(CFX_CSSPropertyValue::XxLarge, "xx-large", 0x70BB1508)}, | |
| {PVAL(CFX_CSSPropertyValue::Smaller, "smaller", 0x849769F0)}, | |
| {PVAL(CFX_CSSPropertyValue::Baseline, "baseline", 0x87436BA3)}, | |
| {PVAL(CFX_CSSPropertyValue::Thick, "thick", 0x8CC35EB3)}, | |
| {PVAL(CFX_CSSPropertyValue::Justify, "justify", 0x8D269CAE)}, | |
| {PVAL(CFX_CSSPropertyValue::Middle, "middle", 0x947FA00F)}, | |
| {PVAL(CFX_CSSPropertyValue::Medium, "medium", 0xA084A381)}, | |
| {PVAL(CFX_CSSPropertyValue::ListItem, "list-item", 0xA32382B8)}, | |
| {PVAL(CFX_CSSPropertyValue::XxSmall, "xx-small", 0xADE1FC76)}, | |
| {PVAL(CFX_CSSPropertyValue::Bold, "bold", 0xB18313A1)}, | |
| {PVAL(CFX_CSSPropertyValue::SmallCaps, "small-caps", 0xB299428D)}, | |
| {PVAL(CFX_CSSPropertyValue::Inline, "inline", 0xC02D649F)}, | |
| {PVAL(CFX_CSSPropertyValue::Overline, "overline", 0xC0EC9FA4)}, | |
| {PVAL(CFX_CSSPropertyValue::TextBottom, "text-bottom", 0xC7D08D87)}, | |
| {PVAL(CFX_CSSPropertyValue::Larger, "larger", 0xCD3C409D)}, | |
| {PVAL(CFX_CSSPropertyValue::InlineTable, "inline-table", 0xD131F494)}, | |
| {PVAL(CFX_CSSPropertyValue::InlineBlock, "inline-block", 0xD26A8BD7)}, | |
| {PVAL(CFX_CSSPropertyValue::Blink, "blink", 0xDC36E390)}, | |
| {PVAL(CFX_CSSPropertyValue::Block, "block", 0xDCD480AB)}, | |
| {PVAL(CFX_CSSPropertyValue::Italic, "italic", 0xE31D5396)}, | |
| {PVAL(CFX_CSSPropertyValue::LineThrough, "line-through", 0xE4C5A276)}, | |
| {PVAL(CFX_CSSPropertyValue::XLarge, "x-large", 0xF008E390)}, | |
| {PVAL(CFX_CSSPropertyValue::Large, "large", 0xF4434FCB)}, | |
| {PVAL(CFX_CSSPropertyValue::Left, "left", 0xF5AD782B)}, | |
| {PVAL(CFX_CSSPropertyValue::TextTop, "text-top", 0xFCB58D45)}, | |
| }; | |
| #undef PVAL | |
| 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; | |
| } |