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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/sample/ripper |
Fresh start
Diffstat (limited to 'jni/ruby/sample/ripper')
-rw-r--r-- | jni/ruby/sample/ripper/ruby2html.rb | 112 | ||||
-rw-r--r-- | jni/ruby/sample/ripper/strip-comment.rb | 19 |
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) |