=begin = apache/eruby-debug.rb Copyright (C) 2001 Shugo Maeda All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. == Overview Apache::ERubyDebug handles eRuby files, and sends information to clients on error for debug. == Example of httpd.conf RubyRequire apache/eruby-debug SetHandler ruby-object RubyHandler Apache::ERubyDebug.instance =end require "apache/eruby-run" module Apache class ERubyDebug < ERubyRun def handler(r) status = check_request(r) return status if status != OK filename = r.filename.dup filename.untaint code = compile(filename) prerun(r) run(r, code, filename) postrun(r) return OK end private def initialize @compiler = ERuby::Compiler.new end def run(r, code, filename) begin super(code, filename) rescue SystemExit postrun(r) raise($!) rescue Exception $>.replace('') bt = $!.backtrace.collect{|x| CGI::escapeHTML(x)} msg = CGI::escapeHTML($!.to_s) fname = File::basename(@compiler.sourcefile) lineno = bt.shift.scan(/:(\d+)/).shift.shift.to_i err = sprintf("%s:%d: %s
\n", fname, lineno, msg) bt.each do |stack| err << sprintf("
%s
\n", stack) end print_error(r, code, err) end end def print_error(r, code, err) r.print < mod_ruby
ERROR
#{err}
GENERATED CODE 
#{CGI::escapeHTML(code)}
HTML end end end