Class CodeRay::Encoders::HTML::CSS
In: lib/coderay/encoders/html/css.rb
Parent: Object

Methods

[]   load_stylesheet   new   parse  

Constants

CSS_CLASS_PATTERN = / ( # $1 = selectors (?: (?: \s* \. [-\w]+ )+ \s* ,? )+ ) \s* \{ \s* ( [^\}]+ )? # $2 = style \s* \} \s* | ( . ) # $3 = error /mx

Attributes

stylesheet  [R] 

Public Class methods

load_stylesheet(style = nil)

[Source]

    # File lib/coderay/encoders/html/css.rb, line 9
 9:       def CSS.load_stylesheet style = nil
10:         CodeRay::Styles[style]
11:       end
new(style = :default)

[Source]

    # File lib/coderay/encoders/html/css.rb, line 13
13:       def initialize style = :default
14:         @classes = Hash.new
15:         style = CSS.load_stylesheet style
16:         @stylesheet = [
17:           style::CSS_MAIN_STYLES,
18:           style::TOKEN_COLORS.gsub(/^(?!$)/, '.CodeRay ')
19:         ].join("\n")
20:         parse style::TOKEN_COLORS
21:       end

Public Instance methods

[](*styles)

[Source]

    # File lib/coderay/encoders/html/css.rb, line 23
23:       def [] *styles
24:         cl = @classes[styles.first]
25:         return '' unless cl
26:         style = ''
27:         1.upto(styles.size) do |offset|
28:           break if style = cl[styles[offset .. -1]]
29:         end
30:         raise 'Style not found: %p' % [styles] if $DEBUG and style.empty?
31:         return style
32:       end

Private Instance methods

parse(stylesheet)

[Source]

    # File lib/coderay/encoders/html/css.rb, line 49
49:       def parse stylesheet
50:         stylesheet.scan CSS_CLASS_PATTERN do |selectors, style, error|
51:           raise "CSS parse error: '#{error.inspect}' not recognized" if error
52:           for selector in selectors.split(',')
53:             classes = selector.scan(/[-\w]+/)
54:             cl = classes.pop
55:             @classes[cl] ||= Hash.new
56:             @classes[cl][classes] = style.to_s.strip.delete(' ').chomp(';')
57:           end
58:         end
59:       end

[Validate]