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-rw-r--r--ruby_1_8_5/lib/rexml/parsers/ultralightparser.rb56
1 files changed, 56 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/rexml/parsers/ultralightparser.rb b/ruby_1_8_5/lib/rexml/parsers/ultralightparser.rb
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index 0000000000..adc4af18e2
--- /dev/null
+++ b/ruby_1_8_5/lib/rexml/parsers/ultralightparser.rb
@@ -0,0 +1,56 @@
+require 'rexml/parsers/streamparser'
+require 'rexml/parsers/baseparser'
+
+module REXML
+ module Parsers
+ class UltraLightParser
+ def initialize stream
+ @stream = stream
+ @parser = REXML::Parsers::BaseParser.new( stream )
+ end
+
+ def add_listener( listener )
+ @parser.add_listener( listener )
+ end
+
+ def rewind
+ @stream.rewind
+ @parser.stream = @stream
+ end
+
+ def parse
+ root = context = []
+ while true
+ event = @parser.pull
+ case event[0]
+ when :end_document
+ break
+ when :end_doctype
+ context = context[1]
+ when :start_element, :doctype
+ context << event
+ event[1,0] = [context]
+ context = event
+ when :end_element
+ context = context[1]
+ else
+ context << event
+ end
+ end
+ root
+ end
+ end
+
+ # An element is an array. The array contains:
+ # 0 The parent element
+ # 1 The tag name
+ # 2 A hash of attributes
+ # 3..-1 The child elements
+ # An element is an array of size > 3
+ # Text is a String
+ # PIs are [ :processing_instruction, target, data ]
+ # Comments are [ :comment, data ]
+ # DocTypes are DocType structs
+ # The root is an array with XMLDecls, Text, DocType, Array, Text
+ end
+end