Express complex XML transforms with a composable, succinct DSL
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README.md

RSLT

RSLT lets you describe a transformation between one XML format and another. The idea is it's as functional as XSLT, but encourages stylesheets which are readable, modular and easy to test.

I've extracted it from an app I built for my work at Lonely Planet.

Use it instead of XSLT if you have any complex transformation rules.

My colleague at Lonely Planet, Jani Patokallio, has written up an excellent description over here

Build Status

FEATURES

Nice syntax. Testable, reusable xml transformation Supported on MRI 1.9.3 and above, and tested against several others via TravisCI.

Example

class MyStylesheet < RSLT::Stylesheet
  def rules
    render('parent > child')     { builder.p(:style => "child_content" ) { child_content }  }
    render('parent')             { builder.p(:style => "parent_content") { child_content }  }
    render('text()')             { add element.to_xml.upcase                                }
  end
end

MyStylesheet.transform <<-XML
<parent>
  <child>Use RSLT</child>
</parent>
XML
-> <p style="parent_content"><p style="child_content">USE RSLT</p></p>

REQUIREMENTS:

  • Nokogiri, Builder

INSTALL:

  • gem install rslt

LICENSE:

(The MIT License)

Copyright (c) 2010 Daniel Heath

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.