From 95c7a30abbd8240748ebb831b0ae7a36566987d0 Mon Sep 17 00:00:00 2001
From: James Robertson <james@r0bertson.co.uk>
Date: Tue, 22 Sep 2015 12:26:09 +0100
Subject: [PATCH] bug fix: If there is only 1 entry it will no longer attempt
 to read further entries.

---
 lib/rowx.rb  | 11 ++++++++---
 rowx.gemspec |  2 +-
 2 files changed, 9 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 lib/rowx.rb

diff --git a/lib/rowx.rb b/lib/rowx.rb
old mode 100644
new mode 100755
index 155a25f..08208b3
--- a/lib/rowx.rb
+++ b/lib/rowx.rb
@@ -28,20 +28,25 @@ def initialize(txt, level: nil)
     
     a = LineTree.new(txt.gsub(/^-*$/m,''), \
                                 level: level, ignore_blank_lines: false).to_a
+    
     keyfield = a[0][0][/\w+:/]; i = 0
 
     # find the keyfield. if there's only 1 keyfield in all of the rows it's 
     # not a keyfield. Keep searching until all rows have been searched
-    while a.select {|x| x[0][/^#{keyfield}/]}.length <= 1 and i < a.length
+    while a.select {|x| x[0][/^#{keyfield}/]}.length <= 1 and \
+                                                      i < a.length and a[i+1]
+      
       i += 1
-      keyfield = a[i][0][/\w+/] 
-    end  
+      keyfield = a[i][0][/\w+/]
+
+    end
 
     keyfield = a[0][0][/\w+/] if i == a.length - 1
     records = a[i..-1].collate { |x| x.first =~ /^#{keyfield  }/ }
     summary = scan_a a.slice!(0,i)
 
     summary[0] = 'summary'
+    
     @to_a = ['root', {}] + [summary] + scan_records(records, level)
 
     @to_xml = Rexle.new(@to_a).xml pretty: true
diff --git a/rowx.gemspec b/rowx.gemspec
index 8ead70c..d797017 100644
--- a/rowx.gemspec
+++ b/rowx.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name = 'rowx'
-  s.version = '0.4.1'
+  s.version = '0.4.2'
   s.summary = 'rowx'
   s.description = 'Generates XML from rows of labelled, nested, and plain text' 
   s.authors = ['James Robertson']