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LibWeb: Add a whole bunch of rule classes for the new CSS parser

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Original work by @stelar7.
This commit is contained in:
Andreas Kling 2021-03-09 17:36:21 +01:00
parent 16cde3f14a
commit ad152bfa59
9 changed files with 543 additions and 0 deletions
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1
Userland/Libraries/LibWeb/CMakeLists.txt
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@ -16,6 +16,7 @@ set(SOURCES
CSS/DefaultStyleSheetSource.cpp CSS/DefaultStyleSheetSource.cpp
CSS/Length.cpp CSS/Length.cpp
CSS/Parser/DeprecatedCSSParser.cpp CSS/Parser/DeprecatedCSSParser.cpp
CSS/Parser/StyleRules.cpp
CSS/Parser/Token.cpp CSS/Parser/Token.cpp
CSS/Parser/Tokenizer.cpp CSS/Parser/Tokenizer.cpp
CSS/PropertyID.cpp CSS/PropertyID.cpp

46
Userland/Libraries/LibWeb/CSS/Parser/AtStyleRule.h Normal file
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@ -0,0 +1,46 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <AK/String.h>
#include <LibWeb/CSS/Parser/QualifiedStyleRule.h>
namespace Web::CSS {
class AtStyleRule : public QualifiedStyleRule {
friend class Parser;
public:
AtStyleRule();
~AtStyleRule();
String to_string() const;
private:
String m_name;
};
}

55
Userland/Libraries/LibWeb/CSS/Parser/DeclarationOrAtRule.h Normal file
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@ -0,0 +1,55 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <LibWeb/CSS/Parser/AtStyleRule.h>
#include <LibWeb/CSS/Parser/StyleDeclarationRule.h>
namespace Web::CSS {
class DeclarationOrAtRule {
friend class Parser;
public:
explicit DeclarationOrAtRule(AtStyleRule at);
explicit DeclarationOrAtRule(StyleDeclarationRule declaration);
~DeclarationOrAtRule();
enum class DeclarationType {
At,
Declaration,
};
String to_string() const;
private:
DeclarationType m_type;
AtStyleRule m_at;
StyleDeclarationRule m_declaration;
};
}

49
Userland/Libraries/LibWeb/CSS/Parser/QualifiedStyleRule.h Normal file
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@ -0,0 +1,49 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <AK/Vector.h>
#include <LibWeb/CSS/Parser/StyleBlockRule.h>
namespace Web::CSS {
class StyleComponentValueRule;
class QualifiedStyleRule {
friend class Parser;
public:
QualifiedStyleRule();
~QualifiedStyleRule();
String to_string() const;
private:
Vector<String> m_prelude;
StyleBlockRule m_block;
};
}

48
Userland/Libraries/LibWeb/CSS/Parser/StyleBlockRule.h Normal file
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@ -0,0 +1,48 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <AK/Vector.h>
#include <LibWeb/CSS/Parser/Token.h>
namespace Web::CSS {
class StyleBlockRule {
friend class Parser;
public:
StyleBlockRule();
~StyleBlockRule();
String to_string() const;
private:
Token m_token;
Vector<String> m_values;
};
}

56
Userland/Libraries/LibWeb/CSS/Parser/StyleComponentValueRule.h Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <LibWeb/CSS/Parser/Token.h>
#include <LibWeb/CSS/Parser/StyleBlockRule.h>
#include <LibWeb/CSS/Parser/StyleFunctionRule.h>
namespace Web::CSS {
class StyleComponentValueRule {
friend class Parser;
public:
enum class ComponentType {
Token,
Function,
Block
};
explicit StyleComponentValueRule(ComponentType);
~StyleComponentValueRule();
String to_string() const;
private:
ComponentType m_type;
Token m_token;
StyleFunctionRule m_function;
StyleBlockRule m_block;
};
}

50
Userland/Libraries/LibWeb/CSS/Parser/StyleDeclarationRule.h Normal file
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@ -0,0 +1,50 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibWeb/CSS/Parser/StyleComponentValueRule.h>
namespace Web::CSS {
class StyleDeclarationRule {
friend class Parser;
public:
StyleDeclarationRule();
~StyleDeclarationRule();
String to_string() const;
private:
String m_name;
Vector<StyleComponentValueRule> m_values;
bool m_important { false };
};
}

50
Userland/Libraries/LibWeb/CSS/Parser/StyleFunctionRule.h Normal file
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@ -0,0 +1,50 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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.
*/
#pragma once
#include <AK/String.h>
#include <AK/Vector.h>
namespace Web::CSS {
class StyleComponentValueRule;
class StyleFunctionRule {
friend class Parser;
public:
StyleFunctionRule();
~StyleFunctionRule();
String to_string() const;
private:
String m_name;
Vector<String> m_values;
};
}

188
Userland/Libraries/LibWeb/CSS/Parser/StyleRules.cpp Normal file
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@ -0,0 +1,188 @@
/*
* Copyright (c) 2020-2021, SerenityOS developers
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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 <LibWeb/CSS/Parser/AtStyleRule.h>
#include <LibWeb/CSS/Parser/DeclarationOrAtRule.h>
#include <LibWeb/CSS/Parser/QualifiedStyleRule.h>
#include <LibWeb/CSS/Parser/StyleBlockRule.h>
#include <LibWeb/CSS/Parser/StyleComponentValueRule.h>
#include <LibWeb/CSS/Parser/StyleDeclarationRule.h>
#include <LibWeb/CSS/Parser/StyleFunctionRule.h>
namespace Web::CSS {
AtStyleRule::AtStyleRule() { }
AtStyleRule::~AtStyleRule() { }
DeclarationOrAtRule::DeclarationOrAtRule(AtStyleRule at)
: m_type(DeclarationType::At)
, m_at(move(at))
{
}
DeclarationOrAtRule::DeclarationOrAtRule(StyleDeclarationRule declaration)
: m_type(DeclarationType::Declaration)
, m_declaration(move(declaration))
{
}
DeclarationOrAtRule::~DeclarationOrAtRule() { }
QualifiedStyleRule::QualifiedStyleRule() { }
QualifiedStyleRule::~QualifiedStyleRule() { }
StyleBlockRule::StyleBlockRule() { }
StyleBlockRule::~StyleBlockRule() { }
StyleComponentValueRule::StyleComponentValueRule(ComponentType type)
: m_type(type)
{
}
StyleComponentValueRule::~StyleComponentValueRule() { }
StyleDeclarationRule::StyleDeclarationRule() { }
StyleDeclarationRule::~StyleDeclarationRule() { }
StyleFunctionRule::StyleFunctionRule() { }
StyleFunctionRule::~StyleFunctionRule() { }
template<class SeparatorType, class CollectionType>
void append_with_to_string(StringBuilder& builder, SeparatorType& separator, CollectionType& collection)
{
bool first = true;
for (auto& item : collection) {
if (first)
first = false;
else
builder.append(separator);
builder.append(item.to_string());
}
}
template<class SeparatorType, class CollectionType>
void append_raw(StringBuilder& builder, SeparatorType& separator, CollectionType& collection)
{
bool first = true;
for (auto& item : collection) {
if (first)
first = false;
else
builder.append(separator);
builder.append(item);
}
}
String AtStyleRule::to_string() const
{
StringBuilder builder;
builder.append("@");
builder.append(m_name);
builder.append(QualifiedStyleRule::to_string());
return builder.to_string();
}
String DeclarationOrAtRule::to_string() const
{
StringBuilder builder;
switch (m_type) {
default:
case DeclarationType::At:
builder.append(m_at.to_string());
break;
case DeclarationType::Declaration:
builder.append(m_declaration.to_string());
break;
}
return builder.to_string();
}
String QualifiedStyleRule::to_string() const
{
StringBuilder builder;
append_raw(builder, " ", m_prelude);
builder.append(m_block.to_string());
return builder.to_string();
}
String StyleBlockRule::to_string() const
{
StringBuilder builder;
builder.append(m_token.bracket_string());
append_raw(builder, ", ", m_values);
builder.append(m_token.bracket_mirror_string());
return builder.to_string();
}
String StyleComponentValueRule::to_string() const
{
StringBuilder builder;
switch (m_type) {
case ComponentType::Token:
builder.append(m_token.to_string());
break;
case ComponentType::Function:
builder.append(m_function.to_string());
break;
case ComponentType::Block:
builder.append(m_block.to_string());
break;
}
return builder.to_string();
}
String StyleDeclarationRule::to_string() const
{
StringBuilder builder;
builder.append(m_name);
builder.append(": ");
append_with_to_string(builder, " ", m_values);
if (m_important)
builder.append(" !important");
return builder.to_string();
}
String StyleFunctionRule::to_string() const
{
StringBuilder builder;
builder.append(m_name);
builder.append("(");
append_raw(builder, ", ", m_values);
builder.append(");");
return builder.to_string();
}
}