summaryrefslogtreecommitdiffstats
path: root/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb')
-rw-r--r--vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb70
1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb
new file mode 100644
index 000000000..09ac8bc07
--- /dev/null
+++ b/vendor/gems/coderay-0.9.7/lib/coderay/encoders/html/css.rb
@@ -0,0 +1,70 @@
+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
+ # warn 'Style not found: %p' % [styles] if style.empty?
+ return style
+ end
+
+ private
+
+ CSS_CLASS_PATTERN = /
+ ( # $1 = selectors
+ (?:
+ (?: \s* \. [-\w]+ )+
+ \s* ,?
+ )+
+ )
+ \s* \{ \s*
+ ( [^\}]+ )? # $2 = style
+ \s* \} \s*
+ |
+ ( . ) # $3 = error
+ /mx
+ def parse stylesheet
+ stylesheet.scan CSS_CLASS_PATTERN do |selectors, style, error|
+ raise "CSS parse error: '#{error.inspect}' not recognized" if error
+ for selector in selectors.split(',')
+ classes = selector.scan(/[-\w]+/)
+ cl = classes.pop
+ @classes[cl] ||= Hash.new
+ @classes[cl][classes] = style.to_s.strip.delete(' ').chomp(';')
+ end
+ end
+ end
+
+ end
+ end
+
+end
+end
+
+if $0 == __FILE__
+ require 'pp'
+ pp CodeRay::Encoders::HTML::CSS.new
+end