Macrow

This gem provide DSL for define rules of text replacing. It makes the code more readable and helps avoinding fat model.

Add this line to your application's Gemfile:

gem 'macrow'

And then execute:

$ bundle

Or install it yourself as:

$ gem install macrow

class HogeMacro < Macrow
  rules do
    # this rule means '${something}' -> 'trouble'
    rule 'something' do
      'trouble'
    end

    # you can access an object
    rule 'length' do |object|
      object.length
    end
  end
end

macro = HogeMacro.new

macro.apply_all_rules("${something} happened")
# => "trouble happened"

macro.apply("${something} happened") # you can use short alias
# => "trouble happened"

array = [1, 2]
macro.apply("object length is ${length}", array) # you can pass an object
# => "object length is 2"

you can change syntax like ...

class HogeMacro < Macrow
  macro_prefix '{{'
  macro_suffix '}}'

  rules do
    # this rule means '{{something}}' -> 'trouble'
    rule 'something' do
      'trouble'
    end
  end
end

After checking out the repo, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/syguer/macrow.

The gem is available as open source under the terms of the MIT License.