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/*
* Copyright (C) 2024 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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 "CSSShapeFunction.h"
#include "CSSPrimitiveNumericTypes+Serialization.h"
#include <wtf/text/StringBuilder.h>
namespace WebCore {
namespace CSS {
void Serialize<ToPosition>::operator()(StringBuilder& builder, const SerializationContext& context, const ToPosition& value)
{
// <to-position> = to <position>
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
}
void Serialize<ByCoordinatePair>::operator()(StringBuilder& builder, const SerializationContext& context, const ByCoordinatePair& value)
{
// <by-coordinate-pair> = by <coordinate-pair>
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
}
void Serialize<RelativeControlPoint>::operator()(StringBuilder& builder, const SerializationContext& context, const RelativeControlPoint& value)
{
// <relative-control-point> = [<coordinate-pair> [from [start | end | origin]]?]
// Specified https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
serializationForCSS(builder, context, value.offset);
if (value.anchor) {
builder.append(' ', nameLiteralForSerialization(CSSValueFrom), ' ');
serializationForCSS(builder, context, *value.anchor);
}
}
void Serialize<AbsoluteControlPoint>::operator()(StringBuilder& builder, const SerializationContext& context, const AbsoluteControlPoint& value)
{
// <to-control-point> = [<position> | <relative-control-point>]
// Specified https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
// Representation diverges from grammar due to overlap between <position> and <relative-control-point>.
serializationForCSS(builder, context, value.offset);
if (value.anchor) {
builder.append(' ', nameLiteralForSerialization(CSSValueFrom), ' ');
serializationForCSS(builder, context, *value.anchor);
}
}
void Serialize<MoveCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const MoveCommand& value)
{
// <move-command> = move [to <position>] | [by <coordinate-pair>]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-move-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
}
void Serialize<LineCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const LineCommand& value)
{
// <line-command> = line [to <position>] | [by <coordinate-pair>]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-line-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
}
void Serialize<HLineCommand::To>::operator()(StringBuilder& builder, const SerializationContext& context, const HLineCommand::To& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
}
void Serialize<HLineCommand::By>::operator()(StringBuilder& builder, const SerializationContext& context, const HLineCommand::By& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
}
void Serialize<HLineCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const HLineCommand& value)
{
// <horizontal-line-command> = hline [ to [ <length-percentage> | left | center | right | x-start | x-end ] | by <length-percentage> ]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-hv-line-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2426552611
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
}
void Serialize<VLineCommand::To>::operator()(StringBuilder& builder, const SerializationContext& context, const VLineCommand::To& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
}
void Serialize<VLineCommand::By>::operator()(StringBuilder& builder, const SerializationContext& context, const VLineCommand::By& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
}
void Serialize<VLineCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const VLineCommand& value)
{
// <vertical-line-command> = vline [ to [ <length-percentage> | top | center | bottom | y-start | y-end ] | by <length-percentage> ]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-hv-line-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2426552611
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
}
void Serialize<CurveCommand::To>::operator()(StringBuilder& builder, const SerializationContext& context, const CurveCommand::To& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
builder.append(' ', nameLiteralForSerialization(CSSValueWith), ' ');
serializationForCSS(builder, context, value.controlPoint1);
if (value.controlPoint2) {
builder.append(" / "_s);
serializationForCSS(builder, context, *value.controlPoint2);
}
}
void Serialize<CurveCommand::By>::operator()(StringBuilder& builder, const SerializationContext& context, const CurveCommand::By& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
builder.append(' ', nameLiteralForSerialization(CSSValueWith), ' ');
serializationForCSS(builder, context, value.controlPoint1);
if (value.controlPoint2) {
builder.append(" / "_s);
serializationForCSS(builder, context, *value.controlPoint2);
}
}
void Serialize<CurveCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const CurveCommand& value)
{
// <curve-command> = curve [to <position> with <to-control-point> [/ <to-control-point>]?]
// | [by <coordinate-pair> with <relative-control-point> [/ <relative-control-point>]?]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-curve-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
}
void Serialize<SmoothCommand::To>::operator()(StringBuilder& builder, const SerializationContext& context, const SmoothCommand::To& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
if (value.controlPoint) {
builder.append(' ', nameLiteralForSerialization(CSSValueWith), ' ');
serializationForCSS(builder, context, *value.controlPoint);
}
}
void Serialize<SmoothCommand::By>::operator()(StringBuilder& builder, const SerializationContext& context, const SmoothCommand::By& value)
{
builder.append(nameLiteralForSerialization(value.affinity.value), ' ');
serializationForCSS(builder, context, value.offset);
if (value.controlPoint) {
builder.append(' ', nameLiteralForSerialization(CSSValueWith), ' ');
serializationForCSS(builder, context, *value.controlPoint);
}
}
void Serialize<SmoothCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const SmoothCommand& value)
{
// <smooth-command> = smooth [to <position> [with <to-control-point>]?]
// | [by <coordinate-pair> [with <relative-control-point>]?]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-smooth-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
}
void Serialize<ArcCommand>::operator()(StringBuilder& builder, const SerializationContext& context, const ArcCommand& value)
{
// <arc-command> = arc [to <position>] | [by <coordinate-pair>] of <length-percentage>{1,2} [<arc-sweep>? || <arc-size>? || [rotate <angle>]?]
// https://drafts.csswg.org/css-shapes-2/#typedef-shape-arc-command
// Modified by https://github.com/w3c/csswg-drafts/issues/10649#issuecomment-2412816773
builder.append(nameLiteralForSerialization(value.name), ' ');
serializationForCSS(builder, context, value.toBy);
builder.append(' ', nameLiteralForSerialization(CSSValueOf), ' ');
if (value.size.width() == value.size.height())
serializationForCSS(builder, context, value.size.width());
else
serializationForCSS(builder, context, value.size);
if (!std::holds_alternative<CSS::Keyword::Ccw>(value.arcSweep)) {
builder.append(' ');
serializationForCSS(builder, context, value.arcSweep);
}
if (!std::holds_alternative<CSS::Keyword::Small>(value.arcSize)) {
builder.append(' ');
serializationForCSS(builder, context, value.arcSize);
}
if (value.rotation != 0_css_deg) {
builder.append(' ', nameLiteralForSerialization(CSSValueRotate), ' ');
serializationForCSS(builder, context, value.rotation);
}
}
void Serialize<Shape>::operator()(StringBuilder& builder, const SerializationContext& context, const Shape& value)
{
// shape() = shape( <'fill-rule'>? from <coordinate-pair>, <shape-command>#)
if (value.fillRule && !std::holds_alternative<Keyword::Nonzero>(*value.fillRule)) {
serializationForCSS(builder, context, *value.fillRule);
builder.append(' ');
}
builder.append(nameLiteralForSerialization(CSSValueFrom), ' ');
serializationForCSS(builder, context, value.startingPoint);
builder.append(", "_s);
serializationForCSS(builder, context, value.commands);
}
} // namespace CSS
} // namespace WebCore
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