Module: XmlNodeStream::Parser::Base

Defined in:
lib/xml_node_stream/parser/base.rb

Overview

This is the base parser syntax that normalizes the SAX callbacks by providing a common interface so that the actual parser implementation doesn’t matter.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/xml_node_stream/parser/base.rb', line 7

def root
  @root
end

Instance Method Details

#do_cdata_block(characters) ⇒ Object 



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# File 'lib/xml_node_stream/parser/base.rb', line 35

def do_cdata_block (characters)
  @nodes.last.append_cdata(characters) unless @nodes.empty?
end

#do_characters(characters) ⇒ Object 



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# File 'lib/xml_node_stream/parser/base.rb', line 31

def do_characters (characters)
  @nodes.last.append(characters) unless @nodes.empty?
end

#do_end_element(name) ⇒ Object 



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# File 'lib/xml_node_stream/parser/base.rb', line 24

def do_end_element (name)
  node = @nodes.pop
  node.finish!
  @root = node if @nodes.empty?
  @parse_block.call(node) if @parse_block
end

#do_start_element(name, attributes) ⇒ Object 



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# File 'lib/xml_node_stream/parser/base.rb', line 19

def do_start_element (name, attributes)
  node = XmlNodeStream::Node.new(name, @nodes.last, attributes)
  @nodes.push(node)
end

#initialize(&block) ⇒ Object 



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# File 'lib/xml_node_stream/parser/base.rb', line 9

def initialize (&block)
  @nodes = []
  @parse_block = block
  @root = nil
end

#parse_stream(io) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/xml_node_stream/parser/base.rb', line 15

def parse_stream (io)
  raise NotImplementedError.new("could not load gem")
end