From 0b60a93641a5bfafb2b07f81a8e9c7da03ef3c86 Mon Sep 17 00:00:00 2001
From: murphy <murphy@rubychan.de>
Date: Sat, 5 Nov 2005 02:28:36 +0000
Subject: New helper module scheme, step 3

---
 lib/coderay/encoders/html/css.rb | 155 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 lib/coderay/encoders/html/css.rb

(limited to 'lib/coderay/encoders/html/css.rb')

diff --git a/lib/coderay/encoders/html/css.rb b/lib/coderay/encoders/html/css.rb
new file mode 100644
index 0000000..80ccab4
--- /dev/null
+++ b/lib/coderay/encoders/html/css.rb
@@ -0,0 +1,155 @@
+module CodeRay module Encoders
+
+	class HTML
+		class CSS
+			
+			def initialize stylesheet = TOKENS
+				@classes = Hash.new
+				parse stylesheet
+			end
+
+			def [] *styles
+				cl = @classes[styles.first]
+				return '' unless cl
+				style = false
+				1.upto(styles.size) do |offset|
+					break if style = cl[styles[offset .. -1]]
+				end
+				return style
+			end
+			
+		private
+			
+			CSS_CLASS_PATTERN = /
+				( (?:                # $1 = classes
+					\s* \. [-\w]+
+				)+ )
+				\s* \{
+				( [^\}]* )           # $2 = style
+				\} \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.strip
+				end
+			end
+			
+			MAIN = <<-'MAIN'
+.CodeRay {
+	background-color: #f8f8f8;
+	border: 1px solid silver;
+	font-family: 'Courier New', 'Terminal', monospace;
+	color: black;
+}
+.CodeRay pre { margin: 0px; }
+
+div.CodeRay { }
+
+span.CodeRay { white-space: pre; border: 0px; padding: 2px; }
+
+table.CodeRay { border-collapse: collapse; width: 100%; padding: 2px; }
+table.CodeRay td { padding: 2px 4px; vertical-align: top; }
+
+.CodeRay .line_numbers, .CodeRay .no {
+	background-color: #def;
+	color: gray;
+	text-align: right;
+}
+.CodeRay .line_numbers tt { font-weight: bold; }
+.CodeRay .no { padding: 0px 4px; }
+.CodeRay .code { width: 100%; }
+
+ol.CodeRay { font-size: 10pt; }
+ol.CodeRay li { white-space: pre; }
+
+.CodeRay .code pre { overflow: auto; }
+			MAIN
+
+			TOKENS = <<-'TOKENS'
+.af { color:#00C; }
+.an { color:#007; }
+.av { color:#700; }
+.aw { color:#C00; }
+.bi { color:#509; font-weight:bold; }
+.c  { color:#888; }
+
+.ch { color:#04D; }
+.ch .k { color:#04D; }
+.ch .dl { color:#039; }
+
+.cl { color:#B06; font-weight:bold; }
+.co { color:#036; font-weight:bold; }
+.cr { color:#0A0; }
+.cv { color:#369; }
+.df { color:#099; font-weight:bold; }
+.di { color:#088; font-weight:bold; }
+.dl { color:black; }
+.do { color:#970; }
+.ds { color:#D42; font-weight:bold; }
+.e  { color:#666; font-weight:bold; }
+.er { color:#F00; background-color:#FAA; }
+.ex { color:#F00; font-weight:bold; }
+.fl { color:#60E; font-weight:bold; }
+.fu { color:#06B; font-weight:bold; }
+.gv { color:#d70; font-weight:bold; }
+.hx { color:#058; font-weight:bold; }
+.i  { color:#00D; font-weight:bold; }
+.ic { color:#B44; font-weight:bold; }
+.il { }
+.in { color:#B2B; font-weight:bold; }
+.iv { color:#33B; }
+.la { color:#970; font-weight:bold; }
+.lv { color:#963; }
+.oc { color:#40E; font-weight:bold; }
+.on { color:#000; font-weight:bold; }
+.pc { color:#038; font-weight:bold; }
+.pd { color:#369; font-weight:bold; }
+.pp { color:#579; }
+.pt { color:#339; font-weight:bold; }
+.r  { color:#080; font-weight:bold; }
+
+.rx { background-color:#fff0ff; }
+.rx .k { color:#808; }
+.rx .dl { color:#404; }
+.rx .mod { color:#C2C; }
+.rx .fu  { color:#404; font-weight: bold; }
+
+.s  { background-color:#fff0f0; }
+.s  .s { background-color:#ffe0e0; }
+.s  .s  .s { background-color:#ffd0d0; }
+.s  .k { color:#D20; }
+.s  .dl { color:#710; }
+
+.sh { background-color:#f0fff0; }
+.sh .k { color:#2B2; }
+.sh .dl { color:#161; }
+
+.sy { color:#A60; }
+.sy .k { color:#A60; }
+.sy .dl { color:#630; }
+
+.ta { color:#070; }
+.tf { color:#070; font-weight:bold; }
+.ts { color:#D70; font-weight:bold; }
+.ty { color:#339; font-weight:bold; }
+.v  { color:#036; }
+.xt { color:#444; }
+			TOKENS
+			
+			DEFAULT_STYLESHEET = MAIN + TOKENS.gsub(/^(?!$)/, '.CodeRay ')
+		
+		end
+	end
+	
+end end
+
+if $0 == __FILE__
+	require 'pp'
+	pp CodeRay::Encoders::HTML::CSS.new
+end
-- 
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