ehlyzov / sreader

Generate ruby classes from data

SReader

SReader provides DSL to generate ruby classes from data and describe transformation rule for each field.

Installation

Add this line to your application's Gemfile:

gem 'sreader'

And then execute:

$ bundle

Or install it yourself as:

$ gem install sreader

Usage

include Sreader::DSL

Person = array do
  id :to_i  # :to_i will be converted to a proc and applied for 'id'
  name
  bdate Date.method(:parse) # bdate will be converted to Date
  companies [ (array do # it is how to describe embedded structures
    id
	title
	position
  end) ]
  auth (dict do # auth is a hash with the following keys
    key
	secret
  end)
end

me = Person.new(["1", "Eugene", "1984-01-01", [["42", "Life LLC", "operator"]],
           { key: "KEY", secret: "SECRET"}])

p me.id                 # 1
p me.companies.first.id # "42"
p me.auth.key           # "KEY"
p Date === me.bdate     # true

See tests for more examples.

Contributing

1. Fork it ( https://github.com/ehlyzov/sreader/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request