third_party/WebKit/Source/build/scripts/core/css/templates/CSSOMTypes.cpp.tmpl

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

{% from 'templates/macros.tmpl' import source_files_for_generated_file %}
{{source_files_for_generated_file(template_file, input_files)}}

#include "core/css/cssom/CSSOMTypes.h"

#include "core/css/cssom/CSSOMKeywords.h"
#include "core/css/cssom/CSSKeywordValue.h"
#include "core/css/cssom/CSSNumericValue.h"
#include "core/css/cssom/CSSStyleValue.h"
#include "core/css/cssom/CSSUnsupportedStyleValue.h"
#include "core/css/properties/CSSProperty.h"

namespace blink {

namespace {

bool IsCSSStyleValueLength(const CSSStyleValue& value) {
  if (!value.IsNumericValue())
    return false;
  return static_cast<const CSSNumericValue&>(value).Type().
    MatchesBaseType(CSSNumericValueType::BaseType::kLength);
}

bool IsCSSStyleValueTime(const CSSStyleValue& value) {
  if (!value.IsNumericValue())
    return false;
  return static_cast<const CSSNumericValue&>(value).Type().
    MatchesBaseType(CSSNumericValueType::BaseType::kTime);
}

bool IsCSSStyleValuePercentage(const CSSStyleValue& value) {
  if (!value.IsNumericValue())
    return false;
  return static_cast<const CSSNumericValue&>(value).Type().
    MatchesPercentage();
}

bool IsCSSStyleValueImage(const CSSStyleValue& value) {
  return value.GetType() == CSSStyleValue::kURLImageType;
}

bool IsCSSStyleValueTransform(const CSSStyleValue& value) {
  return value.GetType() == CSSStyleValue::kTransformType;
}

bool IsCSSStyleValuePosition(const CSSStyleValue& value) {
  return value.GetType() == CSSStyleValue::kPositionType;
}

}

bool CSSOMTypes::PropertyCanTake(CSSPropertyID id,
                                 const CSSStyleValue& value) {
  if (value.GetType() == CSSStyleValue::kKeywordType) {
    return CSSOMKeywords::ValidKeywordForProperty(
        id, ToCSSKeywordValue(value));
  }
  if (value.GetType() == CSSStyleValue::kUnknownType) {
    return ToCSSUnsupportedStyleValue(value).GetProperty() == id;
  }

  switch (id) {
    case CSSPropertyVariable:
      return value.GetType() == CSSStyleValue::kUnparsedType;
    {% for property in properties if property.typedom_types %}
    case {{property.property_id}}:
      return (
          {% for type in property.typedom_types %}
          {{ "|| " if not loop.first }}IsCSSStyleValue{{type}}(value)
          {% endfor %}
      );
    {% endfor %}
    default:
      return false;
  }
}

}  // namespace blink