2 files changed, 131 insertions, 0 deletions
diff --git a/jni/ruby/sample/ripper/ruby2html.rb b/jni/ruby/sample/ripper/ruby2html.rb
new file mode 100644
index 0000000..8f64f5a
--- /dev/null
+++ b/jni/ruby/sample/ripper/ruby2html.rb
@@ -0,0 +1,112 @@
+#!/usr/bin/env ruby
+# $originalId: ruby2html.rb,v 1.2 2005/09/23 22:53:47 aamine Exp $
+
+TEMPLATE_LINE = __LINE__ + 2
+TEMPLATE = <<-EndTemplate
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=<%= encoding %>">
+<% if css %>
+  <link rel="stylesheet" type="text/css" href="<%= css %>">
+<% end %>
+  <title><%= File.basename(f.path) %></title>
+</head>
+<body>
+<pre>
+<%
+    if print_line_number
+      Ruby2HTML.compile(f).each_with_index do |line, idx|
+%><%= sprintf('%4d  %s', idx+1, line) %><%
+      end
+    else
+%><%= Ruby2HTML.compile(f) %><%
+    end
+%>
+</pre>
+</body>
+</html>
+EndTemplate
+
+require 'ripper'
+require 'stringio'
+require 'cgi'
+require 'erb'
+require 'optparse'
+
+def main
+  encoding = 'us-ascii'
+  css = nil
+  print_line_number = false
+  parser = OptionParser.new
+  parser.banner = "Usage: #{File.basename($0)} [-l] [<file>...]"
+  parser.on('--encoding=NAME', 'Character encoding [us-ascii].') {|name|
+    encoding = name
+  }
+  parser.on('--css=URL', 'Set a link to CSS.') {|url|
+    css = url
+  }
+  parser.on('-l', '--line-number', 'Show line number.') {
+    print_line_number = true
+  }
+  parser.on('--help', 'Prints this message and quit.') {
+    puts parser.help
+    exit 0
+  }
+  begin
+    parser.parse!
+  rescue OptionParser::ParseError => err
+    $stderr.puts err
+    $stderr.puts parser.help
+    exit 1
+  end
+  puts ruby2html(ARGF, encoding, css, print_line_number)
+end
+
+class ERB
+  attr_accessor :lineno
+
+  remove_method :result
+  def result(b)
+    eval(@src, b, (@filename || '(erb)'), (@lineno || 1))
+  end
+end
+
+def ruby2html(f, encoding, css, print_line_number)
+  erb = ERB.new(TEMPLATE, nil, '>')
+  erb.filename = __FILE__
+  erb.lineno = TEMPLATE_LINE
+  erb.result(binding())
+end
+
+class Ruby2HTML < Ripper::Filter
+  def Ruby2HTML.compile(f)
+    buf = StringIO.new
+    Ruby2HTML.new(f).parse(buf)
+    buf.string
+  end
+
+  def on_default(event, tok, f)
+    f << CGI.escapeHTML(tok)
+  end
+
+  def on_kw(tok, f)
+    f << %Q[<span class="resword">#{CGI.escapeHTML(tok)}</span>]
+  end
+
+  def on_comment(tok, f)
+    f << %Q[<span class="comment">#{CGI.escapeHTML(tok.rstrip)}</span>\n]
+  end
+
+  def on_tstring_beg(tok, f)
+    f << %Q[<span class="string">#{CGI.escapeHTML(tok)}]
+  end
+
+  def on_tstring_end(tok, f)
+    f << %Q[#{CGI.escapeHTML(tok)}</span>]
+  end
+end
+
+if $0 == __FILE__
+  main
+end
diff --git a/jni/ruby/sample/ripper/strip-comment.rb b/jni/ruby/sample/ripper/strip-comment.rb
new file mode 100644
index 0000000..1023875
--- /dev/null
+++ b/jni/ruby/sample/ripper/strip-comment.rb
@@ -0,0 +1,19 @@
+# $Id: strip-comment.rb 25189 2009-10-02 12:04:37Z akr $
+
+require 'ripper/filter'
+
+class CommentStripper < Ripper::Filter
+  def CommentStripper.strip(src)
+    new(src).parse(nil)
+  end
+
+  def on_default(event, token, data)
+    print token
+  end
+
+  def on_comment(token, data)
+    puts
+  end
+end
+
+CommentStripper.strip(ARGF)