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Diffstat (limited to 'lib/puppet/parser/functions/is_string.rb')
-rw-r--r--lib/puppet/parser/functions/is_string.rb26
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/is_string.rb b/lib/puppet/parser/functions/is_string.rb
new file mode 100644
index 0000000..f5bef04
--- /dev/null
+++ b/lib/puppet/parser/functions/is_string.rb
@@ -0,0 +1,26 @@
+#
+# is_string.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:is_string, :type => :rvalue, :doc => <<-EOS
+Returns true if the variable passed to this function is a string.
+ EOS
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "is_string(): Wrong number of arguments " +
+ "given (#{arguments.size} for 1)") if arguments.size < 1
+
+ type = arguments[0]
+
+ result = type.is_a?(String)
+
+ if result and (type == type.to_f.to_s or type == type.to_i.to_s) then
+ return false
+ end
+
+ return result
+ end
+end
+
+# vim: set ts=2 sw=2 et :