173 lines
3.6 KiB
C++
173 lines
3.6 KiB
C++
/*
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* Copyright (c) 2020-2021, the SerenityOS developers.
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* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/FlyString.h>
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#include <AK/String.h>
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#include <AK/Utf8View.h>
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#include <LibWeb/CSS/Number.h>
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namespace Web::CSS::Parser {
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class Token {
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friend class Tokenizer;
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public:
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enum class Type {
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Invalid,
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EndOfFile,
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Ident,
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Function,
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AtKeyword,
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Hash,
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String,
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BadString,
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Url,
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BadUrl,
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Delim,
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Number,
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Percentage,
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Dimension,
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Whitespace,
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CDO,
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CDC,
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Colon,
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Semicolon,
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Comma,
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OpenSquare,
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CloseSquare,
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OpenParen,
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CloseParen,
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OpenCurly,
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CloseCurly
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};
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enum class HashType {
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Id,
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Unrestricted,
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};
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struct Position {
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size_t line { 0 };
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size_t column { 0 };
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};
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Type type() const { return m_type; }
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bool is(Type type) const { return m_type == type; }
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StringView ident() const
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{
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VERIFY(m_type == Type::Ident);
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return m_value.view();
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}
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StringView function() const
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{
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VERIFY(m_type == Type::Function);
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return m_value.view();
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}
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u32 delim() const
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{
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VERIFY(m_type == Type::Delim);
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return *Utf8View(m_value.view()).begin();
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}
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StringView string() const
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{
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VERIFY(m_type == Type::String);
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return m_value.view();
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}
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StringView url() const
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{
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VERIFY(m_type == Type::Url);
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return m_value.view();
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}
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StringView at_keyword() const
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{
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VERIFY(m_type == Type::AtKeyword);
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return m_value.view();
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}
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HashType hash_type() const
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{
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VERIFY(m_type == Type::Hash);
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return m_hash_type;
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}
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StringView hash_value() const
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{
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VERIFY(m_type == Type::Hash);
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return m_value.view();
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}
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Number const& number() const
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{
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VERIFY(m_type == Type::Number || m_type == Type::Dimension || m_type == Type::Percentage);
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return m_number_value;
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}
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float number_value() const
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{
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VERIFY(m_type == Type::Number);
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return m_number_value.value();
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}
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i64 to_integer() const
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{
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VERIFY(m_type == Type::Number && m_number_value.is_integer());
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return m_number_value.integer_value();
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}
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StringView dimension_unit() const
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{
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VERIFY(m_type == Type::Dimension);
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return m_value.view();
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}
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float dimension_value() const
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{
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VERIFY(m_type == Type::Dimension);
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return m_number_value.value();
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}
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i64 dimension_value_int() const { return m_number_value.integer_value(); }
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float percentage() const
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{
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VERIFY(m_type == Type::Percentage);
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return m_number_value.value();
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}
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Type mirror_variant() const;
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String bracket_string() const;
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String bracket_mirror_string() const;
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String to_string() const;
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String to_debug_string() const;
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Position const& start_position() const { return m_start_position; }
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Position const& end_position() const { return m_end_position; }
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static Token of_string(FlyString str)
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{
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Token token;
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token.m_type = Type::String;
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token.m_value = move(str);
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return token;
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}
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private:
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Type m_type { Type::Invalid };
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FlyString m_value;
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Number m_number_value;
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HashType m_hash_type { HashType::Unrestricted };
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Position m_start_position;
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Position m_end_position;
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};
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}
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