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// Copyright 2015 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.
#include "third_party/blink/renderer/core/css/cssom/css_style_value.h"
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/bindings/core/v8/to_v8_for_core.h"
#include "third_party/blink/renderer/core/css/cssom/style_value_factory.h"
#include "third_party/blink/renderer/core/css/parser/css_parser_context.h"
#include "third_party/blink/renderer/core/css/properties/css_property.h"
#include "third_party/blink/renderer/core/style_property_shorthand.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
namespace blink {
namespace {
CSSStyleValueVector ParseCSSStyleValue(
const ExecutionContext* execution_context,
const String& property_name,
const String& value,
ExceptionState& exception_state) {
const CSSPropertyID property_id = cssPropertyID(property_name);
if (property_id == CSSPropertyInvalid) {
exception_state.ThrowTypeError("Invalid property name");
return CSSStyleValueVector();
}
const auto style_values = StyleValueFactory::FromString(
property_id, value, CSSParserContext::Create(*execution_context));
if (style_values.IsEmpty()) {
exception_state.ThrowTypeError("The value provided ('" + value +
"') could not be parsed as a '" +
property_name + "'.");
return CSSStyleValueVector();
}
return style_values;
}
} // namespace
CSSStyleValue* CSSStyleValue::parse(const ExecutionContext* execution_context,
const String& property_name,
const String& value,
ExceptionState& exception_state) {
CSSStyleValueVector style_value_vector = ParseCSSStyleValue(
execution_context, property_name, value, exception_state);
return style_value_vector.IsEmpty() ? nullptr : style_value_vector[0];
}
CSSStyleValueVector CSSStyleValue::parseAll(
const ExecutionContext* execution_context,
const String& property_name,
const String& value,
ExceptionState& exception_state) {
return ParseCSSStyleValue(execution_context, property_name, value,
exception_state);
}
String CSSStyleValue::toString() const {
const CSSValue* result = ToCSSValue();
DCHECK(result);
return result->CssText();
}
} // namespace blink
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