X-Git-Url: https://git.donarmstrong.com/?p=dsa-puppet.git;a=blobdiff_plain;f=3rdparty%2Fmodules%2Fstdlib%2Flib%2Fpuppet%2Fparser%2Ffunctions%2Fhas_key.rb;fp=3rdparty%2Fmodules%2Fstdlib%2Flib%2Fpuppet%2Fparser%2Ffunctions%2Fhas_key.rb;h=4657cc29cd875751255dc73e918048815fab491b;hp=0000000000000000000000000000000000000000;hb=ad88f67c13ae0f1a08936dad643f1e3509ab5f40;hpb=23d29143ac40015ce61cf83a4067466f8f7d66dc

diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/has_key.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/has_key.rb
new file mode 100644
index 00000000..4657cc29
--- /dev/null
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/has_key.rb
@@ -0,0 +1,28 @@
+module Puppet::Parser::Functions
+
+  newfunction(:has_key, :type => :rvalue, :doc => <<-'ENDHEREDOC') do |args|
+    Determine if a hash has a certain key value.
+
+    Example:
+
+        $my_hash = {'key_one' => 'value_one'}
+        if has_key($my_hash, 'key_two') {
+          notice('we will not reach here')
+        }
+        if has_key($my_hash, 'key_one') {
+          notice('this will be printed')
+        }
+
+    ENDHEREDOC
+
+    unless args.length == 2
+      raise Puppet::ParseError, ("has_key(): wrong number of arguments (#{args.length}; must be 2)")
+    end
+    unless args[0].is_a?(Hash)
+      raise Puppet::ParseError, "has_key(): expects the first argument to be a hash, got #{args[0].inspect} which is of type #{args[0].class}"
+    end
+    args[0].has_key?(args[1])
+
+  end
+
+end