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author | ser <ser@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-06-10 01:31:01 +0000 |
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committer | ser <ser@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-06-10 01:31:01 +0000 |
commit | ea7a527a2ae7024a5cf2885dee8f7a5c21fedd5d (patch) | |
tree | d3e1f95a5acf262a9dd46e9663b7034bb285b406 /lib/rexml/parsers/ultralightparser.rb | |
parent | ca02190d8887ecd852e4e3f18f3a3ea91e9c6f7a (diff) | |
download | ruby-ea7a527a2ae7024a5cf2885dee8f7a5c21fedd5d.tar.gz |
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3925 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rexml/parsers/ultralightparser.rb')
-rw-r--r-- | lib/rexml/parsers/ultralightparser.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/rexml/parsers/ultralightparser.rb b/lib/rexml/parsers/ultralightparser.rb new file mode 100644 index 0000000000..f3b208bf0f --- /dev/null +++ b/lib/rexml/parsers/ultralightparser.rb @@ -0,0 +1,52 @@ +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 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 |