| // 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/css/property_registration.h" |
| #include "third_party/blink/renderer/core/style_property_shorthand.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| class PropertyRegistration; |
| |
| 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(); |
| } |
| |
| AtomicString custom_property_name = property_id == CSSPropertyVariable |
| ? AtomicString(property_name) |
| : g_null_atom; |
| |
| const PropertyRegistration* registration = |
| (property_id == CSSPropertyVariable) |
| ? PropertyRegistration::From(execution_context, custom_property_name) |
| : nullptr; |
| |
| const auto style_values = StyleValueFactory::FromString( |
| property_id, custom_property_name, registration, 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 |