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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "CSSFontFeatureValuesRule.h"
#include "CSSMarkup.h"
namespace WebCore {
CSSFontFeatureValuesRule::CSSFontFeatureValuesRule(StyleRuleFontFeatureValues& fontFeatureValuesRule, CSSStyleSheet* parent)
: CSSRule(parent)
, m_fontFeatureValuesRule(fontFeatureValuesRule)
{
}
String CSSFontFeatureValuesRule::cssText() const
{
StringBuilder builder;
builder.append("@font-feature-values "_s);
auto joinFontFamiliesWithSeparator = [&builder] (const auto& elements, ASCIILiteral separator) {
bool first = true;
for (auto element : elements) {
if (!first)
builder.append(separator);
builder.append(serializeFontFamily(element));
first = false;
}
};
joinFontFamiliesWithSeparator(m_fontFeatureValuesRule->fontFamilies(), ", "_s);
builder.append(" { "_s);
const auto& value = m_fontFeatureValuesRule->value();
auto addVariant = [&builder] (const String& variantName, const auto& tags) {
if (!tags.isEmpty()) {
builder.append('@', variantName, " { "_s);
for (auto tag : tags) {
serializeIdentifier(tag.key, builder);
builder.append(':');
for (auto integer : tag.value)
builder.append(' ', integer);
builder.append("; "_s);
}
builder.append("} "_s);
}
};
// WPT expects the order used in Servo.
// https://searchfox.org/mozilla-central/source/servo/components/style/stylesheets/font_feature_values_rule.rs#430
addVariant("swash"_s, value->swash());
addVariant("stylistic"_s, value->stylistic());
addVariant("ornaments"_s, value->ornaments());
addVariant("annotation"_s, value->annotation());
addVariant("character-variant"_s, value->characterVariant());
addVariant("styleset"_s, value->styleset());
builder.append('}');
return builder.toString();
}
void CSSFontFeatureValuesRule::reattach(StyleRuleBase& rule)
{
m_fontFeatureValuesRule = downcast<StyleRuleFontFeatureValues>(rule);
}
CSSFontFeatureValuesBlockRule::CSSFontFeatureValuesBlockRule(StyleRuleFontFeatureValuesBlock& block , CSSStyleSheet* parent)
: CSSRule(parent)
, m_fontFeatureValuesBlockRule(block)
{
}
String CSSFontFeatureValuesBlockRule::cssText() const
{
// This rule is always contained inside a FontFeatureValuesRule,
// which is the only one we are expected to serialize to CSS.
// We should never serialize a Block by itself.
ASSERT_NOT_REACHED();
return { };
}
void CSSFontFeatureValuesBlockRule::reattach(StyleRuleBase& rule)
{
m_fontFeatureValuesBlockRule = downcast<StyleRuleFontFeatureValuesBlock>(rule);
}
} // namespace WebCore
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