From 4c00cfc610cc132080dc5baa1ac8f231c4b76368 Mon Sep 17 00:00:00 2001
From: Jeff McCune <jeff@puppetlabs.com>
Date: Tue, 21 Jun 2011 17:01:33 -0700
Subject: (#8010) Add validate_hash function
This function validates all passed variables are hashes. This is
similar to the validate_bool function and is copied from it.
---
lib/puppet/parser/functions/validate_hash.rb | 37 ++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 lib/puppet/parser/functions/validate_hash.rb
(limited to 'lib/puppet/parser')
diff --git a/lib/puppet/parser/functions/validate_hash.rb b/lib/puppet/parser/functions/validate_hash.rb
new file mode 100644
index 0000000..1443318
--- /dev/null
+++ b/lib/puppet/parser/functions/validate_hash.rb
@@ -0,0 +1,37 @@
+module Puppet::Parser::Functions
+
+ newfunction(:validate_hash, :doc => <<-'ENDHEREDOC') do |args|
+ Validate all passed values are a Hash data structure
+ value does not pass the check.
+
+ Example:
+
+ These values validate
+
+ $my_hash = { 'one' => 'two' }
+ validate_hash($my_hash)
+
+ These values do NOT validate
+
+ validate_hash(true)
+ validate_hash('some_string')
+ $undefined = undef
+ validate_hash($undefined)
+
+ * Jeff McCune <jeff@puppetlabs.com>
+
+ ENDHEREDOC
+
+ unless args.length > 0 then
+ raise Puppet::ParseError, ("validate_hash(): wrong number of arguments (#{args.length}; must be > 0)")
+ end
+
+ args.each do |arg|
+ unless arg.is_a?(Hash)
+ raise Puppet::ParseError, ("#{arg.inspect} is not a Hash. It looks to be a #{arg.class}")
+ end
+ end
+
+ end
+
+end
--
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