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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
class Token
class << self
attr_reader :name
attr_reader :parent
attr_reader :shortname
def cache
@cache ||= {}
end
def sub_tokens
@sub_tokens ||= {}
end
def [](qualname)
return qualname unless qualname.is_a? ::String
Token.cache[qualname]
end
def inspect
"<Token #{qualname}>"
end
def matches?(other)
other.token_chain.include? self
end
def token_chain
@token_chain ||= ancestors.take_while { |x| x != Token }.reverse
end
def qualname
@qualname ||= token_chain.map(&:name).join('.')
end
def register!
Token.cache[self.qualname] = self
parent.sub_tokens[self.name] = self
end
def make_token(name, shortname, &b)
parent = self
Class.new(parent) do
@parent = parent
@name = name
@shortname = shortname
register!
class_eval(&b) if b
end
end
def token(name, shortname, &b)
tok = make_token(name, shortname, &b)
const_set(name, tok)
end
def each_token(&b)
Token.cache.each do |(_, t)|
b.call(t)
end
end
end
module Tokens
def self.token(name, shortname, &b)
tok = Token.make_token(name, shortname, &b)
const_set(name, tok)
end
# XXX IMPORTANT XXX
# For compatibility, this list must be kept in sync with
# pygments.token.STANDARD_TYPES
# please see https://github.com/jneen/rouge/wiki/List-of-tokens
token :Text, '' do
token :Whitespace, 'w'
end
token :Escape, 'esc'
token :Error, 'err'
token :Other, 'x'
token :Keyword, 'k' do
token :Constant, 'kc'
token :Declaration, 'kd'
token :Namespace, 'kn'
token :Pseudo, 'kp'
token :Reserved, 'kr'
token :Type, 'kt'
token :Variable, 'kv'
end
token :Name, 'n' do
token :Attribute, 'na'
token :Builtin, 'nb' do
token :Pseudo, 'bp'
end
token :Class, 'nc'
token :Constant, 'no'
token :Decorator, 'nd'
token :Entity, 'ni'
token :Exception, 'ne'
token :Function, 'nf' do
token :Magic, 'fm'
end
token :Property, 'py'
token :Label, 'nl'
token :Namespace, 'nn'
token :Other, 'nx'
token :Tag, 'nt'
token :Variable, 'nv' do
token :Class, 'vc'
token :Global, 'vg'
token :Instance, 'vi'
token :Magic, 'vm'
end
end
token :Literal, 'l' do
token :Date, 'ld'
token :String, 's' do
token :Affix, 'sa'
token :Backtick, 'sb'
token :Char, 'sc'
token :Delimiter, 'dl'
token :Doc, 'sd'
token :Double, 's2'
token :Escape, 'se'
token :Heredoc, 'sh'
token :Interpol, 'si'
token :Other, 'sx'
token :Regex, 'sr'
token :Single, 's1'
token :Symbol, 'ss'
end
token :Number, 'm' do
token :Bin, 'mb'
token :Float, 'mf'
token :Hex, 'mh'
token :Integer, 'mi' do
token :Long, 'il'
end
token :Oct, 'mo'
token :Other, 'mx'
end
end
token :Operator, 'o' do
token :Word, 'ow'
end
token :Punctuation, 'p' do
token :Indicator, 'pi'
end
token :Comment, 'c' do
token :Hashbang, 'ch'
token :Doc, 'cd'
token :Multiline, 'cm'
token :Preproc, 'cp'
token :PreprocFile, 'cpf'
token :Single, 'c1'
token :Special, 'cs'
end
token :Generic, 'g' do
token :Deleted, 'gd'
token :Emph, 'ge'
token :EmphStrong, 'ges'
token :Error, 'gr'
token :Heading, 'gh'
token :Inserted, 'gi'
token :Lineno, 'gl'
token :Output, 'go'
token :Prompt, 'gp'
token :Strong, 'gs'
token :Subheading, 'gu'
token :Traceback, 'gt'
end
# convenience
Num = Literal::Number
Str = Literal::String
end
end
end
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