Class: MiXML

Inherits:
Object
  • Object
show all
Defined in:
lib/mixml.rb

Overview

Copyright © 2005 Norman Timmler (inlet media e.K., Hamburg, Germany) All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Class Method Summary collapse

Class Method Details

.dump(object, indent = 0) ⇒ Object 



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# File 'lib/mixml.rb', line 86

def self.dump(object, indent = 0)
  '  ' * indent << dump_object(object, indent).strip
end

.dump_object(object, indent = 0) ⇒ Object 



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# File 'lib/mixml.rb', line 90

def self.dump_object(object, indent = 0)
  xml = ''
  
  if object.class == Object
    object = object.instance_variables.inject( {} ) { |hash, var| hash[var.gsub('@', '')] = object.instance_variable_get(var); hash }
  end
  
  case object
  when Array
    object.each do |value|
      xml << indenter(indent) << "<value>" << dump_object( value, indent + 1 ) << "</value>"
    end
    xml << indenter(indent - 1)
  when Hash
    object.each do |key, value|
      xml << indenter(indent) << "<#{key}>" << dump_object( value, indent + 1 ) << "</#{key}>"
    end
    xml << indenter(indent - 1)
  else
    xml << object.to_s
  end
  
  return xml
end

.indenter(indent = 0) ⇒ Object 



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# File 'lib/mixml.rb', line 115

def self.indenter(indent = 0)
  "\n" << '  ' * indent
end

.normalize_cdata(branch) ⇒ Object 



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# File 'lib/mixml.rb', line 65

def self.normalize_cdata(branch)
  if branch.class == Array
    branch.collect do |item|
      normalize_cdata( item )
    end
  elsif branch.class == Hash && branch[:cdata].nil?
    branch.inject( {} ) do |hash, key_value|
      key, value = key_value
      value = normalize_cdata( value )
      hash[key] = value
      hash
    end
  else
    if branch[:cdata] && branch.size == 1
      branch[:cdata]
    else
      branch
    end
  end
end

.parse(xml) ⇒ Object 



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# File 'lib/mixml.rb', line 28

def self.parse(xml)
  current = {}
  xml.scan( /<([!\?].*?)>|<([^\/].*?)>|<\/(.+?)>|([^<>]*)/m ) do |ignore, open_tag, close_tag, cdata|  
    if open_tag
      tag_name = open_tag.match( /(\w+)\s?/ )[1]
      
      parameters = {}
      open_tag.scan( /(\w+)=\"(.*?)\"/ ) { |key, value| parameters[key] = value }

      parameters[:parent] = current
      
      if current[tag_name].class == Array
        current[tag_name] << parameters
        current = current[tag_name].last
      else
        if current[tag_name]
          current[tag_name] = [ current[tag_name], parameters ]
          current = current[tag_name].last
        else
          current[tag_name] = parameters
          current = current[tag_name]
        end
      end
      
    elsif close_tag
      parent = current[:parent]
      current.delete( :parent )
      current = parent unless parent.nil?
    elsif cdata
      cdata.strip!
      current[:cdata] = cdata unless cdata.empty?
    end
  end

  return normalize_cdata( current )
end