From 3fd2cbecff6f9c3e7dbb3bc171b4321266ff183f Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 23 Jul 2017 07:33:07 +0000
Subject: merge revision(s) 59033,59034: [Backport #13636]

	rexml: add close tag check on end of document to StreamParser

	[ruby-core:81593] [Bug #13636]

	Reported by Anton Sivakov. Thanks!!!

	* properties.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59399 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rexml/parsers/streamparser.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib')

diff --git a/lib/rexml/parsers/streamparser.rb b/lib/rexml/parsers/streamparser.rb
index b271e6743e..f6a8bfa802 100644
--- a/lib/rexml/parsers/streamparser.rb
+++ b/lib/rexml/parsers/streamparser.rb
@@ -7,6 +7,7 @@ module REXML
       def initialize source, listener
         @listener = listener
         @parser = BaseParser.new( source )
+        @tag_stack = []
       end
 
       def add_listener( listener )
@@ -19,14 +20,21 @@ module REXML
           event = @parser.pull
           case event[0]
           when :end_document
+            unless @tag_stack.empty?
+              tag_path = "/" + @tag_stack.join("/")
+              raise ParseException.new("Missing end tag for '#{tag_path}'",
+                                       @parser.source)
+            end
             return
           when :start_element
+            @tag_stack << event[1]
             attrs = event[2].each do |n, v|
               event[2][n] = @parser.unnormalize( v )
             end
             @listener.tag_start( event[1], attrs )
           when :end_element
             @listener.tag_end( event[1] )
+            @tag_stack.pop
           when :text
             normalized = @parser.unnormalize( event[1] )
             @listener.text( normalized )
-- 
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