Class: Xampl::XMLText

Inherits:
Object
  • Object
show all
Defined in:
lib/xamplr/xml-text.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ XMLText

Returns a new instance of XMLText.



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# File 'lib/xamplr/xml-text.rb', line 6

def initialize
  @namespaces = []
  @prefix_ns_map = {}
  @first_text = nil
  @text = nil
  @ns = nil
end

Instance Attribute Details

#first_text ⇒ Object

Returns the value of attribute first_text.



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# File 'lib/xamplr/xml-text.rb', line 4

def first_text
  @first_text
end

#namespaces ⇒ Object

Returns the value of attribute namespaces.



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# File 'lib/xamplr/xml-text.rb', line 4

def namespaces
  @namespaces
end

#ns ⇒ Object

Returns the value of attribute ns.



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# File 'lib/xamplr/xml-text.rb', line 4

def ns
  @ns
end

#prefix_ns_map ⇒ Object

Returns the value of attribute prefix_ns_map.



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# File 'lib/xamplr/xml-text.rb', line 4

def prefix_ns_map
  @prefix_ns_map
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/xamplr/xml-text.rb', line 4

def text
  @text
end

Instance Method Details

#build(pp) ⇒ Object 



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# File 'lib/xamplr/xml-text.rb', line 77

def build(pp)
  @namespaces = {}
  @first_text = nil
  @text = nil

  depth = start_element(pp, 0)

  while true
    raise XamplException.new("unexpected end of document") if pp.endDocument?

    case pp.nextEvent
    when Xampl_PP::START_DOCUMENT
      raise XamplException.new("unexpected start of document")
    when Xampl_PP::END_DOCUMENT
      raise XamplException.new("unexpected end of document")
    when Xampl_PP::START_ELEMENT
      depth = start_element(pp, depth)
    when Xampl_PP::END_ELEMENT
      depth = end_element(pp, depth)
      break if depth <= 0
    when Xampl_PP::TEXT, Xampl_PP::CDATA_SECTION, Xampl_PP::ENTITY_REF
      @text << pp.text
      #when Xampl_PP::IGNORABLE_WHITESPACE
      #when Xampl_PP::PROCESSING_INSTRUCTION
      #when Xampl_PP::COMMENT
      #when Xampl_PP::DOCTYPE
    end
  end

  @namespaces = @namespaces.keys

  @prefix_ns_map.sort.each do |prefix, ns|
    @first_text << " xmlns:" << prefix << "='" << ns << "'"
  end
  @first_text << @text
  @text = @first_text
  @first_text = nil
end

#end_element(pp, depth) ⇒ Object 



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# File 'lib/xamplr/xml-text.rb', line 59

def end_element(pp, depth)
  depth -= 1

  @text << "</"
  @text << pp.prefix << ":" if pp.prefix
  @text << pp.name << ">"

  return depth
end

#start_element(pp, depth) ⇒ Object 



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# File 'lib/xamplr/xml-text.rb', line 14

def start_element(pp, depth)
  @namespaces = {}
  @namespaces[pp.namespace] = pp.namespace

  depth += 1

  if @first_text then
    @text << "<" << pp.qname

    pp.attributeCount.times do |i|
      @text << " " << pp.attributeQName(i) << "='" << pp.attributeValue(i) << "'"

      prefix = pp.attribute_prefix(i)
      if prefix then
        @prefix_ns_map[prefix] = pp.attribute_namespace(i)
      end
    end
  else
    @first_text = "<" << pp.qname

    pp.attributeCount.times do |i|
      @first_text << " " << pp.attributeQName(i) << "='" << pp.attributeValue(i) << "'"

      prefix = pp.attribute_prefix(i)
      if prefix then
        @prefix_ns_map[prefix] = pp.attribute_namespace(i)
      end
    end
    @text = ""
  end

  prefix = pp.prefix
  if prefix then
    @prefix_ns_map[prefix] = pp.namespace
  end

  if @ns != pp.namespace then
    @text << " xmlns='" << pp.namespace << "'"
  end

  @text << ">"

  return depth
end

#to_s ⇒ Object 



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# File 'lib/xamplr/xml-text.rb', line 69

def to_s
  @text
end

#to_xml(xml_printer = nil) ⇒ Object 



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# File 'lib/xamplr/xml-text.rb', line 73

def to_xml(xml_printer=nil)
  @text
end