------------------------------------------------------------------------

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@6329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 42 insertions, 40 deletions

diff --git a/lib/rexml/parseexception.rb b/lib/rexml/parseexception.rb
index 66a421454..feb7a7e63 100644
--- a/lib/rexml/parseexception.rb
+++ b/lib/rexml/parseexception.rb
@@ -1,49 +1,51 @@
 module REXML
-	class ParseException < RuntimeError
-		attr_accessor :source, :parser, :continued_exception
+  class ParseException < RuntimeError
+    attr_accessor :source, :parser, :continued_exception
 
-		def initialize( message, source=nil, parser=nil, exception=nil )
-			super(message)
-			@source = source
-			@parser = parser
-			@continued_exception = exception
-		end
+    def initialize( message, source=nil, parser=nil, exception=nil )
+      super(message)
+      @source = source
+      @parser = parser
+      @continued_exception = exception
+    end
 
-		def to_s
-			# Quote the original exception, if there was one
-			if @continued_exception
-				err = @continued_exception.inspect
-				err << "\n"
-				err << @continued_exception.backtrace.join("\n")
-				err << "\n...\n"
-			else
-				err = ""
-			end
+    def to_s
+      # Quote the original exception, if there was one
+      if @continued_exception
+        err = @continued_exception.inspect
+        err << "\n"
+        err << @continued_exception.backtrace.join("\n")
+        err << "\n...\n"
+      else
+        err = ""
+      end
 
-			# Get the stack trace and error message
-			err << super
+      # Get the stack trace and error message
+      err << super
 
-			# Add contextual information
-			if @source
-				err << "\nLine: #{line}\n"
-				err << "Position: #{position}\n"
-				err << "Last 80 unconsumed characters:\n"
-				err << @source.buffer[0..80].gsub(/\n/, ' ')
-			end
-			
-			err
-		end
+      # Add contextual information
+      if @source
+        err << "\nLine: #{line}\n"
+        err << "Position: #{position}\n"
+        err << "Last 80 unconsumed characters:\n"
+        err << @source.buffer[0..80].gsub(/\n/, ' ')
+      end
+      
+      err
+    end
 
-		def position
-			@source.current_line[0] if @source and @source.current_line
-		end
+    def position
+      @source.current_line[0] if @source and defined? @source.current_line and
+      @source.current_line
+    end
 
-		def line
-			@source.current_line[2] if @source and @source.current_line
-		end
+    def line
+      @source.current_line[2] if @source and defined? @source.current_line and 
+      @source.current_line
+    end
 
-		def context
-			@source.current_line
-		end
-	end	
+    def context
+      @source.current_line
+    end
+  end  
 end