Class: RexleBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/rexle-builder.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj = nil, debug: false) ⇒ RexleBuilder

Returns a new instance of RexleBuilder.



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# File 'lib/rexle-builder.rb', line 23

def initialize(obj=nil, debug: false)
  
  @debug = debug
  @a = []
  @current_a = @a
  @namespace = nil
  
  if obj.is_a? Hash then
    
    key = obj.keys.first      
    
    if obj.length > 1 or obj[key].is_a?(Array) or obj[key].is_a?(String) then
      self.root { buildx obj} 
    else
      self.send(key.to_sym) {buildx obj[key]}
    end

  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args) ⇒ Object 



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# File 'lib/rexle-builder.rb', line 52

def method_missing(sym, *args)
  
  args << '' if args.last.is_a? Hash 
  value, attributes = args.reverse
  
  if value =~ /^<.*>$/ then
    
    a = [
      sym.to_s, 
      attributes, 
      *Rexle.new("<root>%s</root>" % value).to_a[2..-1]
    ]
    
  end
  
  if @debug then
    puts 'sym: ' + sym.inspect
    puts 'args: ' + args.inspect
  end
  
  # reserved keywords are masked with ._ e.g. ._method_missing
  a ||= [sym.to_s.sub(/^(?:\._|_)/,'').sub(/^cdata!$/,'![')\
       .sub(/^comment!$/, '!-'), attributes || {}, value || '']

  if @namespace then 
    a.first.prepend(@namespace + ':')
    @namespace = nil 
  end

  @current_a << a
  
  if block_given? then
    
    prev_a = @current_a
    @current_a = a
    
    r = yield()     
    
    @current_a.concat r if r.class == RexleArray
    @current_a = prev_a      
    
  end
  
  @a.first
end

Class Method Details

.build(debug: false) {|self.new(debug: debug)| ... } ⇒ Object

Yields:

  • (self.new(debug: debug)) 


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# File 'lib/rexle-builder.rb', line 17

def self.build(debug: false)

  yield(self.new(debug: debug))

end

Instance Method Details

#[](s) ⇒ Object 



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# File 'lib/rexle-builder.rb', line 43

def [](s)
  @namespace = s
  self
end

#to_a ⇒ Object 



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# File 'lib/rexle-builder.rb', line 48

def to_a
  @a.first
end