From aafce9c99b779855e1e10e5a337848fa9f676a01 Mon Sep 17 00:00:00 2001
From: Ken Barber <ken@bob.sh>
Date: Sat, 30 Apr 2011 16:00:49 +0200
Subject: Moved more functions into lib/puppet/parser/functions/

---
 lib/puppet/parser/functions/hash.rb | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 lib/puppet/parser/functions/hash.rb

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

diff --git a/lib/puppet/parser/functions/hash.rb b/lib/puppet/parser/functions/hash.rb
new file mode 100644
index 0000000..f0c01d4
--- /dev/null
+++ b/lib/puppet/parser/functions/hash.rb
@@ -0,0 +1,34 @@
+#
+# hash.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:hash, :type => :rvalue, :doc => <<-EOS
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "hash(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    array = arguments[0]
+
+    unless array.is_a?(Array)
+      raise(Puppet::ParseError, 'hash(): Requires array to work with')
+    end
+
+    result = {}
+
+    begin
+      # This is to make it compatible with older version of Ruby ...
+      array  = array.flatten
+      result = Hash[*array]
+    rescue Exception
+      raise(Puppet::ParseError, 'hash(): Unable to compute ' +
+        'hash from array given')
+    end
+
+    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/hash.rb | 7 +++++++
 1 file changed, 7 insertions(+)

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

diff --git a/lib/puppet/parser/functions/hash.rb b/lib/puppet/parser/functions/hash.rb
index f0c01d4..453ba1e 100644
--- a/lib/puppet/parser/functions/hash.rb
+++ b/lib/puppet/parser/functions/hash.rb
@@ -4,6 +4,13 @@
 
 module Puppet::Parser::Functions
   newfunction(:hash, :type => :rvalue, :doc => <<-EOS
+This function converts and array into a hash.
+
+*Examples:*
+
+    hash(['a',1,'b',2,'c',3])
+
+Would return: {'a'=>1,'b'=>2,'c'=>3}
     EOS
   ) do |arguments|
 
-- 
cgit v1.2.3