From 75b6d8aa32fbb9166aee732e05398e2984f2b92d Mon Sep 17 00:00:00 2001
From: ser <ser@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 10 Jun 2003 01:31:01 +0000
Subject: Initial revision

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3925 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rexml/parseexception.rb | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 lib/rexml/parseexception.rb

(limited to 'lib/rexml/parseexception.rb')

diff --git a/lib/rexml/parseexception.rb b/lib/rexml/parseexception.rb
new file mode 100644
index 000000000..04928d917
--- /dev/null
+++ b/lib/rexml/parseexception.rb
@@ -0,0 +1,44 @@
+module REXML
+	class ParseException < Exception
+		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 to_s
+			# Quote the original exception, if there was one
+			if @continued_exception
+				err = @continued_exception.message
+				err << "\n"
+				err << @continued_exception.backtrace[0..3].join("\n")
+				err << "\n...\n"
+			else
+				err = ""
+			end
+
+			# Get the stack trace and error message
+			err << super
+
+			# Add contextual information
+			err << "\n#{@source.current_line}\nLast 80 unconsumed characters:\n#{@source.buffer[0..80].gsub(/\n/, ' ')}\n" if @source
+			err << "\nContext:\n#{@parser.context}" if @parser
+			err
+		end
+
+		def position
+			@source.current_line[0] if @source
+		end
+
+		def line
+			@source.current_line[2] if @source
+		end
+
+		def context
+			@source.current_line
+		end
+	end	
+end
-- 
cgit