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Lines 143-177
std::optional<CQ::SizeQuery> ContainerQueryParser::consumeSizeQuery(CSSParserTok
a/Source/WebCore/css/ContainerQueryParser.cpp_sec1
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| 143 |
return { *sizeCondition }; |
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return { *sizeCondition }; |
| 144 |
} |
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} |
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auto sizeFeature = consumeSizeFeature(range); |
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if (!sizeFeature) |
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return { }; |
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| 150 |
range.consumeWhitespace(); |
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if (!range.atEnd()) |
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return { }; |
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return { *sizeFeature }; |
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} |
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std::optional<CQ::SizeFeature> ContainerQueryParser::consumeSizeFeature(CSSParserTokenRange& range) |
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{ |
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// FIXME: Support value-first (width < 100px) and full range (100px < width < 200px) notations. |
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| 146 |
auto nameToken = range.consumeIncludingWhitespace(); |
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auto nameToken = range.consumeIncludingWhitespace(); |
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ASSERT(nameToken.type() == IdentToken); |
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auto name = nameToken.value(); |
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auto name = nameToken.value(); |
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| 149 |
if (range.atEnd()) |
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if (range.atEnd()) |
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return CQ::SizeFeature { CQ::ComparisonOperator::True, name.toAtomString(), { } }; |
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return CQ::SizeFeature { CQ::ComparisonOperator::True, name.toAtomString(), { } }; |
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auto opToken = range.consumeIncludingWhitespace(); |
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auto consumeOperator = [&]() -> std::optional<CQ::ComparisonOperator> { |
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if (range.atEnd()) |
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auto opToken = range.consume(); |
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if (range.atEnd()) |
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return { }; |
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if (opToken.type() == ColonToken) { |
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if (name.startsWith("min-")) { |
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name = name.substring(4); |
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return CQ::ComparisonOperator::GreaterThanOrEqual; |
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} |
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if (name.startsWith("max-")) { |
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name = name.substring(4); |
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return CQ::ComparisonOperator::LessThanOrEqual; |
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} |
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return CQ::ComparisonOperator::Equal; |
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} |
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if (opToken.type() == DelimiterToken) { |
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switch (opToken.delimiter()) { |
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case '=': |
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return CQ::ComparisonOperator::Equal; |
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case '<': |
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if (range.peek().type() == DelimiterToken && range.peek().delimiter() == '=') { |
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range.consume(); |
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return CQ::ComparisonOperator::LessThanOrEqual; |
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} |
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return CQ::ComparisonOperator::LessThan; |
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case '>': |
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if (range.peek().type() == DelimiterToken && range.peek().delimiter() == '=') { |
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range.consume(); |
| 197 |
return CQ::ComparisonOperator::GreaterThanOrEqual; |
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} |
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return CQ::ComparisonOperator::GreaterThan; |
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default: |
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return { }; |
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} |
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} |
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return { }; |
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}; |
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| 207 |
auto op = consumeOperator(); |
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if (!op) |
| 154 |
return { }; |
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return { }; |
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| 156 |
// FIXME: Support '<' style operators and ranges. |
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range.consumeWhitespace(); |
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auto op = CQ::ComparisonOperator::Equal; |
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| 158 |
if (opToken.type() == ColonToken) { |
| 159 |
if (name.startsWith("min-")) |
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op = CQ::ComparisonOperator::GreaterThanOrEqual; |
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else if (name.startsWith("max-")) |
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op = CQ::ComparisonOperator::LessThanOrEqual; |
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if (op != CQ::ComparisonOperator::Equal) |
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name = name.substring(4); |
| 166 |
if (name.isEmpty()) |
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return { }; |
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} |
| 169 |
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| 170 |
auto length = CSSPropertyParserHelpers::consumeLength(range, m_context.mode, ValueRange::All); |
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auto length = CSSPropertyParserHelpers::consumeLength(range, m_context.mode, ValueRange::All); |
| 171 |
if (!length) |
214 |
if (!length) |
| 172 |
return { }; |
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return { }; |
| 173 |
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216 |
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| 174 |
return CQ::SizeFeature { op, name.toAtomString(), length }; |
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return CQ::SizeFeature { *op, name.toAtomString(), length }; |
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} |
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} |
| 176 |
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| 177 |
} |
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} |