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| Dir : //proc/self/root/opt/alt/ruby25/lib64/ruby/2.5.0/rexml/parsers/treeparser.rb |
# frozen_string_literal: false
require 'rexml/validation/validationexception'
require 'rexml/undefinednamespaceexception'
module REXML
module Parsers
class TreeParser
def initialize( source, build_context = Document.new )
@build_context = build_context
@parser = Parsers::BaseParser.new( source )
end
def add_listener( listener )
@parser.add_listener( listener )
end
def parse
tag_stack = []
in_doctype = false
entities = nil
begin
while true
event = @parser.pull
#STDERR.puts "TREEPARSER GOT #{event.inspect}"
case event[0]
when :end_document
unless tag_stack.empty?
raise ParseException.new("No close tag for #{@build_context.xpath}",
@parser.source, @parser)
end
return
when :start_element
tag_stack.push(event[1])
el = @build_context = @build_context.add_element( event[1] )
event[2].each do |key, value|
el.attributes[key]=Attribute.new(key,value,self)
end
when :end_element
tag_stack.pop
@build_context = @build_context.parent
when :text
if not in_doctype
if @build_context[-1].instance_of? Text
@build_context[-1] << event[1]
else
@build_context.add(
Text.new(event[1], @build_context.whitespace, nil, true)
) unless (
@build_context.ignore_whitespace_nodes and
event[1].strip.size==0
)
end
end
when :comment
c = Comment.new( event[1] )
@build_context.add( c )
when :cdata
c = CData.new( event[1] )
@build_context.add( c )
when :processing_instruction
@build_context.add( Instruction.new( event[1], event[2] ) )
when :end_doctype
in_doctype = false
entities.each { |k,v| entities[k] = @build_context.entities[k].value }
@build_context = @build_context.parent
when :start_doctype
doctype = DocType.new( event[1..-1], @build_context )
@build_context = doctype
entities = {}
in_doctype = true
when :attlistdecl
n = AttlistDecl.new( event[1..-1] )
@build_context.add( n )
when :externalentity
n = ExternalEntity.new( event[1] )
@build_context.add( n )
when :elementdecl
n = ElementDecl.new( event[1] )
@build_context.add(n)
when :entitydecl
entities[ event[1] ] = event[2] unless event[2] =~ /PUBLIC|SYSTEM/
@build_context.add(Entity.new(event))
when :notationdecl
n = NotationDecl.new( *event[1..-1] )
@build_context.add( n )
when :xmldecl
x = XMLDecl.new( event[1], event[2], event[3] )
@build_context.add( x )
end
end
rescue REXML::Validation::ValidationException
raise
rescue REXML::ParseException
raise
rescue
raise ParseException.new( $!.message, @parser.source, @parser, $! )
end
end
end
end
end