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