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/*
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "CSSParser.h"
#include "Color.h"
#include "FloatPoint.h"
#include "FloatRect.h"
#include "QualifiedName.h"
#include "SVGParserUtilities.h"
#include <wtf/text/StringBuilder.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
template<typename PropertyType>
struct SVGPropertyTraits { };
template<>
struct SVGPropertyTraits<bool> {
static bool initialValue() { return false; }
static bool fromString(const String& string) { return string == "true"; }
static std::optional<bool> parse(const QualifiedName&, const String&) { ASSERT_NOT_REACHED(); return initialValue(); }
static String toString(bool type) { return type ? "true" : "false"; }
};
template<>
struct SVGPropertyTraits<Color> {
static Color initialValue() { return Color(); }
static Color fromString(const String& string) { return CSSParser::parseColor(string.stripWhiteSpace()); }
static std::optional<Color> parse(const QualifiedName&, const String& string)
{
Color color = CSSParser::parseColor(string.stripWhiteSpace());
if (!color.isValid())
return std::nullopt;
return color;
}
static String toString(const Color& type) { return type.serialized(); }
};
template<>
struct SVGPropertyTraits<unsigned> {
static unsigned initialValue() { return 0; }
static std::optional<unsigned> parse(const QualifiedName&, const String&) { ASSERT_NOT_REACHED(); return initialValue(); }
static String toString(unsigned type) { return String::number(type); }
};
template<>
struct SVGPropertyTraits<int> {
static int initialValue() { return 0; }
static int fromString(const String&string) { return string.toIntStrict(); }
static std::optional<int> parse(const QualifiedName&, const String&) { ASSERT_NOT_REACHED(); return initialValue(); }
static String toString(int type) { return String::number(type); }
};
template<>
struct SVGPropertyTraits<std::pair<int, int>> {
static std::pair<int, int> initialValue() { return { }; }
static std::pair<int, int> fromString(const String& string)
{
float firstNumber = 0, secondNumber = 0;
if (!parseNumberOptionalNumber(string, firstNumber, secondNumber))
return { };
return std::make_pair(static_cast<int>(roundf(firstNumber)), static_cast<int>(roundf(secondNumber)));
}
static std::optional<std::pair<int, int>> parse(const QualifiedName&, const String&) { ASSERT_NOT_REACHED(); return initialValue(); }
static String toString(std::pair<int, int>) { ASSERT_NOT_REACHED(); return emptyString(); }
};
template<>
struct SVGPropertyTraits<float> {
static float initialValue() { return 0; }
static float fromString(const String& string)
{
float number = 0;
if (!parseNumberFromString(string, number))
return 0;
return number;
}
static std::optional<float> parse(const QualifiedName&, const String& string)
{
float number;
if (!parseNumberFromString(string, number))
return std::nullopt;
return number;
}
static String toString(float type) { return String::number(type); }
};
template<>
struct SVGPropertyTraits<std::pair<float, float>> {
static std::pair<float, float> initialValue() { return { }; }
static std::pair<float, float> fromString(const String& string)
{
float firstNumber = 0, secondNumber = 0;
if (!parseNumberOptionalNumber(string, firstNumber, secondNumber))
return { };
return std::make_pair(firstNumber, secondNumber);
}
static std::optional<std::pair<float, float>> parse(const QualifiedName&, const String&) { ASSERT_NOT_REACHED(); return initialValue(); }
static String toString(std::pair<float, float>) { ASSERT_NOT_REACHED(); return emptyString(); }
};
template<>
struct SVGPropertyTraits<FloatPoint> {
static FloatPoint initialValue() { return FloatPoint(); }
static FloatPoint fromString(const String& string)
{
FloatPoint point;
if (!parsePoint(string, point))
return { };
return point;
}
static std::optional<FloatPoint> parse(const QualifiedName&, const String& string)
{
FloatPoint point;
if (!parsePoint(string, point))
return std::nullopt;
return point;
}
static String toString(const FloatPoint& type)
{
StringBuilder builder;
builder.appendNumber(type.x());
builder.append(' ');
builder.appendNumber(type.y());
return builder.toString();
}
};
template<>
struct SVGPropertyTraits<FloatRect> {
static FloatRect initialValue() { return FloatRect(); }
static FloatRect fromString(const String& string)
{
FloatRect rect;
if (!parseRect(string, rect))
return { };
return rect;
}
static std::optional<FloatRect> parse(const QualifiedName&, const String& string)
{
FloatRect rect;
if (!parseRect(string, rect))
return std::nullopt;
return rect;
}
static String toString(const FloatRect& type)
{
StringBuilder builder;
builder.appendNumber(type.x());
builder.append(' ');
builder.appendNumber(type.y());
builder.append(' ');
builder.appendNumber(type.width());
builder.append(' ');
builder.appendNumber(type.height());
return builder.toString();
}
};
template<>
struct SVGPropertyTraits<String> {
static String initialValue() { return String(); }
static String fromString(const String& string) { return string; }
static std::optional<String> parse(const QualifiedName&, const String& string) { return string; }
static String toString(const String& string) { return string; }
};
template<typename EnumType>
struct SVGIDLEnumLimits {
// Specialize this function for a particular enumeration to limit the values that are exposed through the DOM.
static unsigned highestExposedEnumValue() { return SVGPropertyTraits<EnumType>::highestEnumValue(); }
};
} // namespace WebCore