Class: XML::Smart::Dom::Element

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

Instance Method Summary collapse

Constructor Details

#initialize(element) ⇒ Element

Returns a new instance of Element.



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# File 'lib/xml/smart_domelement.rb', line 6

def initialize(element)
  @element = element
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 208

def ==(other)
  return false unless other
  return false unless other.respond_to?(:unique_id)
  unique_id == other.unique_id
end

#===(cls) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 10

def ===(cls); self.is_a? cls; end

#add(*attrs) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 102

def add(*attrs)
  tmp, update = add_helper(attrs)
  res = Dom::smart_helper(@element.add_child tmp)
  if update
    @element.document.custom_namespace_prefixes_update
    @element.document.ns_update
  end  
  res
end

#add_after(*attrs) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 127

def add_after(*attrs)
  tmp, update = add_helper(attrs)
  res = Dom::smart_helper(@element.add_next_sibling tmp)
  if update
    @element.document.custom_namespace_prefixes_update
    @element.document.ns_update
  end  
  res
end

#add_before(*attrs) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 118

def add_before(*attrs)
  tmp, update = add_helper(attrs)
  res = Dom::smart_helper(@element.add_previous_sibling tmp)
  if update
    @element.document.custom_namespace_prefixes_update
    @element.document.ns_update
  end  
  res
end

#append(*attrs) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 111

def append(*attrs)
  add(*attrs)
end

#attributes ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 183

def attributes; AttributeSet.new @element; end

#children ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 188

def children; find('*|text()'); end

#children? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 189

def children?; find('*|text()').length > 0 end

#dump ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 137

def dump; @element.to_s; end

#element_only? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 202

def element_only?;
  @element.xpath_fast('*').length > 0 &&  @element.xpath_fast("string(text())") == '';
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 195

def empty?; @element.blank?; end

#find(xpath) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 12

def find(xpath)
  Dom::smart_helper(@element.xpath_fast(xpath))
end

#mixed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 196

def mixed?;
  @element.xpath_fast('*').length > 0 &&  @element.xpath_fast("string(text())") != '';
end

#namespace ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 143

def namespace; namespace? ? Namespace.new(@element.namespace) : nil; end

#namespace=(n) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 144

def namespace=(n)
  n = case n
    when Namespace
      n.prefix
    when String
      n
    else
      return
  end  
  tmp = @element.document.custom_namespace_prefixes[n] || @element.document.user_custom_namespace_prefixes[n]
  unless tmp.nil?
    @element.namespace_scopes.each do |nss|
      @element.namespace = nss if nss.href == tmp
    end
  end
end

#namespace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 142

def namespace?; !@element.namespace.nil?; end

#namespaces ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 160

def namespaces; NamespaceSet.new(self,@element); end

#parent ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 190

def parent
  Dom::smart_helper(@element.parent)
end

#parent? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 193

def parent?; !@element.parent.nil?; end

#path ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 206

def path; @element.path; end

#prepend(*attrs) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 114

def prepend(*attrs)
  c = children
  c.empty? ? add(*attrs) : c.first.add_before(*attrs)
end

#qname ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 182

def qname; QName.new @element; end

#replace_by(n) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 173

def replace_by(n)
  case n
    when Element; Element.new @element.replace(n.instance_variable_get(:@element))
    when NodeSet; NodeSet.new @element.replace(n.instance_variable_get(:@nodeset))
    else
      nil
  end
end

#text ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 185

def text; @element.xpath_fast("string(text())"); end

#text=(t) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 186

def text=(t); @element.content = t.to_s if t.respond_to? :to_s; end

#text_only? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xml/smart_domelement.rb', line 199

def text_only?;
  @element.xpath_fast('*').length == 0 &&  @element.xpath_fast("string(text())") != '';
end

#to_doc ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 215

def to_doc
  doc = Nokogiri::XML::Document.new
  doc.root = @element
  dom = Dom.new(doc)
end

#to_f ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 140

def to_f; @element.content.to_f; end

#to_i ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 139

def to_i; @element.content.to_i; end

#to_s ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 138

def to_s; @element.content; end

#unique_id ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 213

def unique_id; @element.pointer_id; end

#xinclude!(basedir = nil) ⇒ Object 



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# File 'lib/xml/smart_domelement.rb', line 162

def xinclude!(basedir=nil)
  if basedir.is_a?(String) && File.directory?(basedir)
    Dir.chdir(basedir) { @element.do_xinclude Nokogiri::XML::ParseOptions::STRICT }
  else
    @element.do_xinclude Nokogiri::XML::ParseOptions::STRICT
  end  
  @element.document.custom_namespace_prefixes_update
  @element.document.ns_update
  true
end