| // 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; |
| } |
