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Versions: 47
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Stored size: 1.45 KB
Contents
module CodeRay
module Encoders
class HTML
class CSS
attr :stylesheet
def CSS.load_stylesheet style = nil
CodeRay::Styles[style]
end
def initialize style = :default
@classes = Hash.new
style = CSS.load_stylesheet style
@stylesheet = [
style::CSS_MAIN_STYLES,
style::TOKEN_COLORS.gsub(/^(?!$)/, '.CodeRay ')
].join("\n")
parse style::TOKEN_COLORS
end
def [] *styles
cl = @classes[styles.first]
return '' unless cl
style = ''
1.upto(styles.size) do |offset|
break if style = cl[styles[offset .. -1]]
end
raise 'Style not found: %p' % [styles] if $DEBUG and style.empty?
return style
end
private
CSS_CLASS_PATTERN = /
( (?: # $1 = classes
\s* \. [-\w]+
)+ )
\s* \{ \s*
( [^\}]+ )? # $2 = style
\s* \} \s*
|
( . ) # $3 = error
/mx
def parse stylesheet
stylesheet.scan CSS_CLASS_PATTERN do |classes, style, error|
raise "CSS parse error: '#{error.inspect}' not recognized" if error
styles = classes.scan(/[-\w]+/)
cl = styles.pop
@classes[cl] ||= Hash.new
@classes[cl][styles] = style.to_s.strip
end
end
end
end
end
end
if $0 == __FILE__
require 'pp'
pp CodeRay::Encoders::HTML::CSS.new
end
Version data entries
47 entries across 47 versions & 3 rubygems