blob: adc4af18e2a8e075f65bc2469328aae10ca6ac2b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
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
|
