# Dslh

It define Hash as a DSL.

[![Gem Version](https://badge.fury.io/rb/dslh.svg)](https://badge.fury.io/rb/dslh)
[![Build Status](https://travis-ci.org/winebarrel/dslh.svg?branch=master)](https://travis-ci.org/winebarrel/dslh)

## Installation

Add this line to your application's Gemfile:

    gem 'dslh'

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install dslh

## Usage

```ruby
require 'dslh'
require 'pp'

h = Dslh.eval do
  glossary do
    title "example glossary"
    GlossDiv do
      title "S"
      GlossList do
        GlossEntry do
          ID "SGML"
          SortAs "SGML"
          GlossTerm "Standard Generalized Markup Language"
          Acronym "SGML"
          Abbrev "ISO 8879:1986"
          GlossDef do
            para "A meta-markup language, used to create markup languages such as DocBook."
            GlossSeeAlso "GML", "XML"
          end
          GlossSee "markup"
        end
      end
    end
  end
end

# It can also evaluate string:
# ---
# Dslh.eval(<<-EOS, :filename => 'my.rb', :lineno => 100)
#   foo 'bar'
#   zoo do
#     baz 100
#   end
# EOS

pp h
```

```ruby
# h =>
{:glossary=>
  {:title=>"example glossary",
   :GlossDiv=>
    {:title=>"S",
     :GlossList=>
      {:GlossEntry=>
        {:ID=>"SGML",
         :SortAs=>"SGML",
         :GlossTerm=>"Standard Generalized Markup Language",
         :Acronym=>"SGML",
         :Abbrev=>"ISO 8879:1986",
         :GlossDef=>
          {:para=>
            "A meta-markup language, used to create markup languages such as DocBook.",
           :GlossSeeAlso=>["GML", "XML"]},
         :GlossSee=>"markup"}}}}}
```

### deval

```ruby
require 'dslh'

h = {"glossary"=>
      {"title"=>"example glossary",
       "GlossDiv"=>
        {"title"=>"S",
         "GlossList"=>
          {"GlossEntry"=>
            {"ID"=>"SGML",
             "SortAs"=>"SGML",
             "GlossTerm"=>"Standard Generalized Markup Language",
             "Acronym"=>"SGML",
             "Abbrev"=>"ISO 8879:1986",
             "GlossDef"=>
              {"para"=>
                "A meta-markup language, used to create markup languages such as DocBook.",
               "GlossSeeAlso"=>["GML", "XML"]},
             "GlossSee"=>"markup"}}}}}

puts Dslh.deval(h)
# => glossary do
#      title "example glossary"
#      GlossDiv do
#        title "S"
#        GlossList do
#          GlossEntry do
#            ID "SGML"
#            SortAs "SGML"
#            GlossTerm "Standard Generalized Markup Language"
#            Acronym "SGML"
#            Abbrev "ISO 8879:1986"
#            GlossDef do
#              para "A meta-markup language, used to create markup languages such as DocBook."
#              GlossSeeAlso "GML", "XML"
#            end
#            GlossSee "markup"
#          end
#        end
#      end
#    end
```