From 99a93d366f2e1efb977fcc8fe300d3d8357c8214 Mon Sep 17 00:00:00 2001
From: Ken Barber <ken@bob.sh>
Date: Fri, 29 Apr 2011 09:27:10 +0200
Subject: Convert to module format.

---
 lib/puppet/parser/functions/delete_at.rb | 42 ++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 lib/puppet/parser/functions/delete_at.rb

(limited to 'lib/puppet/parser/functions/delete_at.rb')

diff --git a/lib/puppet/parser/functions/delete_at.rb b/lib/puppet/parser/functions/delete_at.rb
new file mode 100644
index 0000000..10190ba
--- /dev/null
+++ b/lib/puppet/parser/functions/delete_at.rb
@@ -0,0 +1,42 @@
+#
+# delete_at.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:delete_at, :type => :rvalue, :doc => <<-EOS
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "delete_at(): Wrong number of arguments " +
+      "given (#{arguments.size} for 2)") if arguments.size < 2
+
+    array = arguments[0]
+
+    unless array.is_a?(Array)
+      raise(Puppet::ParseError, 'delete_at(): Requires array to work with')
+    end
+
+    index = arguments[1]
+
+    if index.is_a?(String) and not index.match(/^\d+$/)
+      raise(Puppet::ParseError, 'delete_at(): You must provide ' +
+        'non-negative numeric index')
+    end
+
+    result = array.clone
+
+    # Numbers in Puppet are often string-encoded which is troublesome ...
+    index = index.to_i
+
+    if index > result.size - 1 # First element is at index 0 is it not?
+      raise(Puppet::ParseError, 'delete_at(): Given index ' +
+        'exceeds size of array given')
+    end
+
+    result.delete_at(index) # We ignore the element that got deleted ...
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :
-- 
cgit v1.2.3


From a1cae426f1d6b8f2c19184ec8aac3ebc47d97744 Mon Sep 17 00:00:00 2001
From: Ken Barber <ken@bob.sh>
Date: Fri, 29 Jul 2011 23:09:30 +0100
Subject: (#3) Provide documentation for remaining functions.

---
 lib/puppet/parser/functions/delete_at.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib/puppet/parser/functions/delete_at.rb')

diff --git a/lib/puppet/parser/functions/delete_at.rb b/lib/puppet/parser/functions/delete_at.rb
index 10190ba..3eb4b53 100644
--- a/lib/puppet/parser/functions/delete_at.rb
+++ b/lib/puppet/parser/functions/delete_at.rb
@@ -4,6 +4,13 @@
 
 module Puppet::Parser::Functions
   newfunction(:delete_at, :type => :rvalue, :doc => <<-EOS
+Deletes a determined indexed value from an array.
+
+*Examples:*
+
+    delete_at(['a','b','c'], 1)
+
+Would return: ['a','c']
     EOS
   ) do |arguments|
 
-- 
cgit v1.2.3