def parse
@procs.each { |sym,match,block| block.call if sym == :start_document }
@listeners.each { |sym,match,block|
block.start_document if sym == :start_document or sym.nil?
}
root = context = []
while true
event = @parser.pull
case event[0]
when :end_document
handle( :end_document )
break
when :start_doctype
handle( :doctype, *event[1..-1])
when :end_doctype
context = context[1]
when :start_element
@tag_stack.push(event[1])
procs = get_procs( :start_prefix_mapping, event[1] )
listeners = get_listeners( :start_prefix_mapping, event[1] )
if procs or listeners
event[2].each {|n, v| event[2][n] = @parser.normalize(v)}
nsdecl = event[2].find_all { |n, value| n =~ /^xmlns(:|$)/ }
nsdecl.collect! { |n, value| [ n[6..-1], value ] }
@namespace_stack.push({})
nsdecl.each do |n,v|
@namespace_stack[-1][n] = v
procs.each { |ob| ob.call( n, v ) } if procs
listeners.each { |ob| ob.start_prefix_mapping(n, v) } if listeners
end
end
event[1] =~ Namespace::NAMESPLIT
prefix = $1
local = $2
uri = get_namespace(prefix)
procs = get_procs( :start_element, event[1] )
listeners = get_listeners( :start_element, event[1] )
procs.each { |ob| ob.call( uri, local, event[1], event[2] ) } if procs
listeners.each { |ob|
ob.start_element( uri, local, event[1], event[2] )
} if listeners
when :end_element
@tag_stack.pop
event[1] =~ Namespace::NAMESPLIT
prefix = $1
local = $2
uri = get_namespace(prefix)
procs = get_procs( :end_element, event[1] )
listeners = get_listeners( :end_element, event[1] )
procs.each { |ob| ob.call( uri, local, event[1] ) } if procs
listeners.each { |ob|
ob.end_element( uri, local, event[1] )
} if listeners
namespace_mapping = @namespace_stack.pop
procs = get_procs( :end_prefix_mapping, event[1] )
listeners = get_listeners( :end_prefix_mapping, event[1] )
if procs or listeners
namespace_mapping.each do |ns_prefix, ns_uri|
procs.each { |ob| ob.call( ns_prefix ) } if procs
listeners.each { |ob| ob.end_prefix_mapping(ns_prefix) } if listeners
end
end
when :text
copy = event[1].clone
esub = proc { |match|
if @entities.has_key?($1)
@entities[$1].gsub(Text::REFERENCE, &esub)
else
match
end
}
copy.gsub!( Text::REFERENCE, &esub )
copy.gsub!( Text::NUMERICENTITY ) {|m|
m=$1
m = "0#{m}" if m[0] == ?x
[Integer(m)].pack('U*')
}
handle( :characters, copy )
when :entitydecl
@entities[ event[1] ] = event[2] if event.size == 3
handle( *event )
when :processing_instruction, :comment, :attlistdecl,
:elementdecl, :cdata, :notationdecl, :xmldecl
handle( *event )
end
handle( :progress, @parser.position )
end
end