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/*
* Copyright (c) 2020-2021, the SerenityOS developers.
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/StringBuilder.h>
namespace Web::CSS {
class Token {
friend class Parser;
friend class Tokenizer;
public:
enum class Type {
Invalid,
EndOfFile,
Ident,
Function,
AtKeyword,
Hash,
String,
BadString,
Url,
BadUrl,
Delim,
Number,
Percentage,
Dimension,
Whitespace,
CDO,
CDC,
Colon,
Semicolon,
Comma,
OpenSquare,
CloseSquare,
OpenParen,
CloseParen,
OpenCurly,
CloseCurly
};
enum class HashType {
Id,
Unrestricted,
};
enum class NumberType {
Integer,
Number,
};
struct Position {
size_t line { 0 };
size_t column { 0 };
};
Type type() const { return m_type; }
bool is(Type type) const { return m_type == type; }
StringView ident() const
{
VERIFY(m_type == Type::Ident);
return m_value.string_view();
}
StringView delim() const
{
VERIFY(m_type == Type::Delim);
return m_value.string_view();
}
StringView string() const
{
VERIFY(m_type == Type::String);
return m_value.string_view();
}
StringView url() const
{
VERIFY(m_type == Type::Url);
return m_value.string_view();
}
StringView at_keyword() const
{
VERIFY(m_type == Type::AtKeyword);
return m_value.string_view();
}
HashType hash_type() const
{
VERIFY(m_type == Type::Hash);
return m_hash_type;
}
StringView hash_value() const
{
VERIFY(m_type == Type::Hash);
return m_value.string_view();
}
bool is(NumberType number_type) const { return is(Token::Type::Number) && m_number_type == number_type; }
StringView number_string_value() const
{
VERIFY(m_type == Type::Number);
return m_value.string_view();
}
i64 to_integer() const
{
VERIFY(m_type == Type::Number && m_number_type == NumberType::Integer);
return number_string_value().to_int().value();
}
bool is_integer_value_signed() const { return number_string_value().starts_with('-') || number_string_value().starts_with('+'); }
StringView dimension_unit() const
{
VERIFY(m_type == Type::Dimension);
return m_unit.string_view();
}
StringView dimension_value() const
{
VERIFY(m_type == Type::Dimension);
return m_value.string_view();
}
i64 dimension_value_int() const { return dimension_value().to_int().value(); }
NumberType number_type() const
{
VERIFY((m_type == Type::Number) || (m_type == Type::Dimension));
return m_number_type;
}
Type mirror_variant() const;
String bracket_string() const;
String bracket_mirror_string() const;
String to_debug_string() const;
Position const& start_position() const { return m_start_position; }
Position const& end_position() const { return m_end_position; }
private:
Type m_type { Type::Invalid };
StringBuilder m_value;
StringBuilder m_unit;
HashType m_hash_type { HashType::Unrestricted };
NumberType m_number_type { NumberType::Integer };
Position m_start_position;
Position m_end_position;
};
}
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