Class: ETL::Parser::SaxParser

Inherits:
Parser show all
Defined in:
lib/etl/parser/sax_parser.rb

Overview

ETL parser implementation which uses SAX to parse XML files.

Defined Under Namespace

Classes: Field

Instance Attribute Summary (collapse)

Attributes inherited from Parser

#options, #source

Instance Method Summary (collapse)

Methods inherited from Parser

class_for_name

Constructor Details

- (SaxParser) initialize(source, options = {})

Initialize the parser

  • source: The Source object

  • options: Parser options Hash



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# File 'lib/etl/parser/sax_parser.rb', line 17

def initialize(source, options={})
  super
  configure
end

Instance Attribute Details

- (Object) write_trigger

The write trigger causes whatever values are currently specified for the row to be returned. After returning the values will not be cleared, thus allowing for values which are assigned higher in the XML tree to remain in memory.



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# File 'lib/etl/parser/sax_parser.rb', line 12

def write_trigger
  @write_trigger
end

Instance Method Details

- (Object) each(&block)

Returns each row



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# File 'lib/etl/parser/sax_parser.rb', line 23

def each(&block)
  Dir.glob(file).each do |file|
    parser = REXML::Parsers::SAX2Parser.new(File.new(file))
    listener = Listener.new(self, &block)
    parser.listen(listener)
    parser.parse
  end
end

- (Object) fields

Get an array of Field objects



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# File 'lib/etl/parser/sax_parser.rb', line 33

def fields
  @fields ||= []
end