Class: Xml::XmlDelegate

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/r4x/xml_delegate.rb

Instance Method Summary collapse

Constructor Details

#initialize(x) ⇒ XmlDelegate

Returns a new instance of XmlDelegate.



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# File 'lib/r4x/xml_delegate.rb', line 8

def initialize( x )
  @x = x
end

Instance Method Details

#add(nodes) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 169

def add( nodes )
  case nodes
  when XmlList
    nodes.each { |n| @x.__node << n.__node }
  else
    @x.__node << nodes.__node
  end
  @x
end

#add_in_scope_namespace__(namespace) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 251

def add_in_scope_namespace__(namespace)
end

#attributes ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 18

def attributes ; @x.__node.attributes        ; end

#deep_copy ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 226

def deep_copy
end

#default_value ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 218

def default_value
end

#delete(key) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/r4x/xml_delegate.rb', line 180

def delete(prop)
  raise ArgumentError if Numeric === prop
  n = prop.self.to_XmlName
  if AttributeName === n
    attribs = attributes.collect{|a|
      if ((n.name.local_name == '*') or (n.name.local_name == a.name.local_name)) and
         ((n.name.uri == nil) or (n.name.uri == a.name.uri))
        a.parent = nil
        nil
      else
        a
      end
    }.compact
    return true
  end
  dp = 0
  (0...length).each { |q|
    if ((n.local_name == '*') or
       (@x[q].self.class == :element and @x[q].self.name.local_namespace == n.local_name)) and
       ((n.uri == nil) or (@x[q].self.class == :element and n.uri == @x[q].self.name.uri))
      x[q].parent = nil
      x.delete_at(q)
      dp+=1
    else
      if dp > 0
        @x[q - dp] = x[q]
        @x.delete_at(q)
      end
    end
  }
  return true
end

#delete_by_index(prop) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 214

def delete_by_index(prop)
end

#descendents(prop) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 230

def descendents(prop)
end

#equals(value) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 234

def equals(value)
end

#get(prop) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 22

def get(prop)
  if Integer === prop
    l = to_XmlList
    return l.__get__(prop)
  end
  n = prop.self.to_XmlName
  l = XmlList.new([],@x,n)
  if AttributeName === n
    @x.attributes.each { |a|
      if ( ( n.name.local_name =='*' ||  n.name.local_name == a.name.local_name ) and
           ( n.name.uri == nil || n.name.uri == a.name.uri ) )
        l.append(a)
      end
    }
    return l
  end
  (0...length).each { |k|
    if ( (n.local_name == '*') or
         ((Element === @x[k]) and (@x[k].name.local_name == a.name.local_name)) ) and
       ( (n.uri == nil) or ((@x[k].__class__ == "element") and (n.uri == @x[k].name.uri)) )
      l.append(@x[k])
    end
  }
  return l
end

#has_property ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 222

def has_property
end

#insert(prop, value) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 243

def insert(prop,value)
end

#klass ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 16

def klass      ; @x.__class                  ; end

#name ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 13

def name ; @x.__node.name ; end

#node ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 12

def node ; @x.__node      ; end

#parent ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 17

def parent     ; @x.__parent                 ; end

#put(prop, val) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/r4x/xml_delegate.rb', line 86

def put( prop, val )
  if !(Xml === val or XmlList === val) or ( [:text,:attribute].include?(val.self.class) )
    c = val.to_s
  else
    c = val.self.deepcopy
  end
  raise ArgumentError if Numeric === prop
  return if [:text,:attribute,:comment,:instruction].include?( klass )
  n = prop.to_XmlName
  default_namespace = get_default_namespace()
  if AttributeName === n
    return unless is_XmlName(n.self.name)
    if XmlList === c
      if c.length === 0
        c = ''
      else
        #s = c[0].to_s
        #(1...c.length).each { |i| s += " #{c[i].to_s}"
        s = c.join(' ')
      end
    else
      c = c.to_s
    end
    a = nil
    x.attributes.each { |j|
      if (n.name.local_name == j.name.local_name) and (n.name.uri == nil or n.name.uri == j.name.uri)
        a = j unless a
      else
        x.delete(j.name)
      end
    }
    unless a
      unless n.name.uri
        nons = Namespace.new
        name = QName.new( nons, n.name )
      else
        name = QName.new( n.name )
      end
      a = Xml.new { |s| s.name=name ; s.classification=:attribute ; s.parent=x }
      x.attributes << a
      ns = name.get_namespace
      x.add_in_scope_namespace(ns)
    end
    a.value = c
    return
  end
  is_valid_name = is_XmlName(n)
  return if !is_valid_name and n.local_name != '*'
  i = nil
  primitive_assign = ((!(Xml === c or XmlList === c)) and n.local_name != '*')
  (x.length-1).downto(0) { |k|
    if ( (n.local_name == '*') or ( (@x[k].classification == :element) and (@x[k].name.locall_name == n.local_name) ) ) and
       ( (n.uri == nil) or ( (@x[k].classification==:element) and (n.uri == @x[k].name.uri) ) )
      if i
        x.delete_by_index(i.to_s)
        i = k
      end
    end
  }
  unless i
    i = x.length
    if primitive_assign
      unless n.uri
        name = QName.new( default_namespace, n )
      else
        name = QName.new(n)
      end
      y=Xml.new{|s| s.name=name; s.classification=:element; s.parent=x}
      ns=name.get_namespace
      x.replace(i.to_s,y)
      y.add_in_scope_namespace(ns)
    end
  end
  if primitive_asign
    # x[i].delete_all_properties
    s = c.to_s
    x[i].replace("0",s) if s != ''
  else
    x.replace(i.to_s,c)
  end
  return
end

#replace(prop, value) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 247

def replace(prop,value)
end

#resolve_value ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 238

def resolve_value
  @x
end

#text ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 14

def text ; @x.__node.text ; end

#to_String ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 280

def to_String
  return value if [:attribute, :text].include?(@x)
  if has_simple_content
    s = ''
    @x.each { |e| s << e unless [:comment,:instruction].include?(e.self.class) }
    return s
  else
    to_XmlString
  end
end

#to_XmlList ⇒ Object

Conversions



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# File 'lib/r4x/xml_delegate.rb', line 261

def to_XmlList
  XmlList.new( @x )
end

#to_XmlName ⇒ Object

def to_XmlList

  target_object = self.__parent__
  target_poperty = self.__name__
  l = XmlList.new([self], target_object, target_property)
end



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# File 'lib/r4x/xml_delegate.rb', line 271

def to_XmlName
  s = to_String
  if s =~ /^[_@]/
    to_AttributeName( s.shift )
  else
    QName.new(s)
  end
end

#to_XmlString(ancestor_namespaces = nil, indent_level = nil) ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 291

def to_XmlString( ancestor_namespaces=nil, indent_level=nil )

end

#value ⇒ Object 



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# File 'lib/r4x/xml_delegate.rb', line 19

def value      ; @x.__node.children.join('') ; end