/usr/lib/ruby/vendor_ruby/rugments/theme.rb is in ruby-rugments 1.0.0~beta8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | module Rugments
class Theme
include Token::Tokens
class Style < Hash
def initialize(theme, hsh = {})
super()
@theme = theme
merge!(hsh)
end
[:fg, :bg].each do |mode|
define_method mode do
return self[mode] unless @theme
@theme.palette(self[mode]) if self[mode]
end
end
def render(selector, &b)
return enum_for(:render, selector).to_a.join("\n") unless b
return if empty?
yield "#{selector} {"
rendered_rules.each do |rule|
yield " #{rule};"
end
yield '}'
end
def rendered_rules(&b)
return enum_for(:rendered_rules) unless b
yield "color: #{fg}" if fg
yield "background-color: #{bg}" if bg
yield 'font-weight: bold' if self[:bold]
yield 'font-style: italic' if self[:italic]
yield 'text-decoration: underline' if self[:underline]
(self[:rules] || []).each(&b)
end
end
def styles
@styles ||= self.class.styles.dup
end
@palette = {}
def self.palette(arg = {})
@palette ||= InheritableHash.new(superclass.palette)
if arg.is_a? Hash
@palette.merge! arg
@palette
else
case arg
when /#[0-9a-f]+/i
arg
else
@palette[arg] || fail("not in palette: #{arg.inspect}")
end
end
end
@styles = {}
def self.styles
@styles ||= InheritableHash.new(superclass.styles)
end
def self.render(opts = {}, &b)
new(opts).render(&b)
end
class << self
def style(*tokens)
style = tokens.last.is_a?(Hash) ? tokens.pop : {}
style = Style.new(self, style)
tokens.each do |tok|
styles[tok] = style
end
end
def get_own_style(token)
token.token_chain.each do |anc|
return styles[anc] if styles[anc]
end
nil
end
def get_style(token)
get_own_style(token) || base_style
end
def base_style
styles[Token::Tokens::Text]
end
def name(n = nil)
return @name if n.nil?
@name = n.to_s
Theme.registry[@name] = self
end
def find(n)
registry[n.to_s]
end
def registry
@registry ||= {}
end
end
end
module HasModes
def mode(arg = :absent)
return @mode if arg == :absent
@modes ||= {}
@modes[arg] ||= get_mode(arg)
end
def get_mode(mode)
return self if self.mode == mode
new_name = "#{name}.#{mode}"
Class.new(self) { name(new_name); mode!(mode) }
end
def mode!(arg)
@mode = arg
send("make_#{arg}!")
end
end
class CSSTheme < Theme
def initialize(opts = {})
@scope = opts[:scope] || '.highlight'
end
def render(&b)
return enum_for(:render).to_a.join("\n") unless b
# shared styles for tableized line numbers
yield "#{@scope} table td { padding: 5px; }"
yield "#{@scope} table pre { margin: 0; }"
styles.each do |tok, style|
style.render(css_selector(tok), &b)
end
end
def render_base(selector, &b)
self.class.base_style.render(selector, &b)
end
def style_for(tok)
self.class.get_style(tok)
end
private
def css_selector(token)
inflate_token(token).map do |tok|
fail "unknown token: #{tok.inspect}" if tok.shortname.nil?
single_css_selector(tok)
end.join(', ')
end
def single_css_selector(token)
return @scope if token == Text
"#{@scope} .#{token.shortname}"
end
# yield all of the tokens that should be styled the same
# as the given token. Essentially this recursively all of
# the subtokens, except those which are more specifically
# styled.
def inflate_token(tok, &b)
return enum_for(:inflate_token, tok) unless block_given?
yield tok
tok.sub_tokens.each do |(_, st)|
next if styles[st]
inflate_token(st, &b)
end
end
end
end
require_relative 'themes/thankful_eyes'
require_relative 'themes/colorful'
require_relative 'themes/base16'
require_relative 'themes/github'
require_relative 'themes/monokai'
require_relative 'themes/monokai_sublime'
|