# README.txt

Path: | README.txt
Last Update: | Sat Apr 02 07:53:01 +0900 2011

# README

release: | 2.7.0
copyright: | copyright(c) 2006-2011 kuwata-lab.com all rights reserved.

## About Erubis

Erubis is an implementation of eRuby. It has the following features.

- Very fast, almost three times faster than ERB and even 10% faster than eruby
- Multi-language support (Ruby/PHP/C/Java/Scheme/Perl/Javascript)
- Auto escaping support
- Auto trimming spaces around ’<% %>’
- Embedded pattern changeable (default ’<% %>’)
- Enable to handle Processing Instructions (PI) as embedded pattern (ex. ’<?rb … ?>’)
- Context object available and easy to combine eRuby template with YAML datafile
- Print statement available
- Easy to extend and customize in subclass
- Ruby on Rails support

Erubis is implemented in pure Ruby. It requires Ruby 1.8 or higher. Erubis now supports Ruby 1.9.

See doc/users-guide.html for details.

## Installation

- If you have installed RubyGems, just type `gem install erubis`.

        $ sudo gem install erubis

- Else install abstract at first, and download erubis_X.X.X.tar.bz2 and install it by setup.rb.

        $ tar xjf abstract_X.X.X.tar.bz2
        $ cd abstract_X.X.X/
        $ sudo ruby setup.rb
        $ cd ..
        $ tar xjf erubis_X.X.X.tar.bz2
        $ cd erubis_X.X.X/
        $ sudo ruby setup.rb

- (Optional) It is able to merge ‘lib/**/*.rb’ into ‘bin/erubis’ by ‘contrib/inline-require’ script.

        $ tar xjf erubis_X.X.X.tar.bz2
        $ cd erubis_X.X.X/
        $ cp /tmp/abstract_X.X.X/lib/abstract.rb lib
        $ unset RUBYLIB
        $ contrib/inline-require -I lib bin/erubis > contrib/erubis

## Ruby on Rails Support

Erubis supports Ruby on Rails. All you have to do is to add the following code into your ‘config/environment.rb’ and restart web server.

         require 'erubis/helpers/rails_helper'
         #Erubis::Helpers::RailsHelper.engine_class = Erubis::Eruby
         #Erubis::Helpers::RailsHelper.init_properties = {}
         #Erubis::Helpers::RailsHelper.show_src = nil

If Erubis::Helpers::RailsHelper.show_src is ture, Erubis prints converted Ruby code into log file (‘log/development.log’ or so). It is useful for debug.

## Exploring Guide

If you are exploring Eruby, see the following class at first.

- Erubis::TinyEruby (erubis/tiny.rb) — the most simple eRuby implementation.
- Erubis::Engine (erubis/engine.rb) — base class of Eruby, Ephp, Ejava, and so on.
- Erubis::Eruby (erubis/engine/eruby.rb) — engine class for eRuby.
- Erubis::Converter (erubis/converter.rb) — convert eRuby script into Ruby code.

## Benchmark

‘benchmark/erubybenchmark.rb’ is a benchmark script of Erubis. Try ‘ruby erubybenchmark.rb’ in benchmark directory.

## License

MIT License

## Author

makoto kuwata <kwa(at)kuwata-lab.com>

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