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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "core/css/properties/CSSPropertyAPISnapHeight.h" | |
6 | |
7 #include "core/css/CSSValueList.h" | |
8 #include "core/css/parser/CSSParserContext.h" | |
9 #include "core/css/parser/CSSPropertyParserHelpers.h" | |
10 | |
11 namespace blink { | |
12 | |
13 const CSSValue* CSSPropertyAPISnapHeight::parseSingleValue( | |
14 CSSParserTokenRange& range, | |
15 const CSSParserContext* context) { | |
16 CSSPrimitiveValue* unit = CSSPropertyParserHelpers::consumeLength( | |
17 range, context->mode(), ValueRangeNonNegative); | |
18 if (!unit) | |
19 return nullptr; | |
20 CSSValueList* list = CSSValueList::createSpaceSeparated(); | |
21 list->append(*unit); | |
22 | |
23 if (CSSPrimitiveValue* position = | |
24 CSSPropertyParserHelpers::consumePositiveInteger(range)) { | |
25 if (position->getIntValue() > 100) | |
26 return nullptr; | |
27 list->append(*position); | |
28 } | |
29 | |
30 return list; | |
31 } | |
32 | |
33 } // namespace blink | |
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