add puppet stdlib

[dsa-puppet.git] / modules / stdlib / lib / puppet / parser / functions / squeeze.rb

diff --git a/modules/stdlib/lib/puppet/parser/functions/squeeze.rb b/modules/stdlib/lib/puppet/parser/functions/squeeze.rb
new file mode 100644 (file)
index 0000000..65c174a
--- /dev/null
+++ b/modules/stdlib/lib/puppet/parser/functions/squeeze.rb
@@ -0,0 +1,36 @@
+#
+# squeeze.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:squeeze, :type => :rvalue, :doc => <<-EOS
+Returns a new string where runs of the same character that occur in this set are replaced by a single character.
+    EOS
+  ) do |arguments|
+
+    if ((arguments.size != 2) and (arguments.size != 1)) then
+      raise(Puppet::ParseError, "squeeze(): Wrong number of arguments "+
+        "given #{arguments.size} for 2 or 1")
+    end
+
+    item = arguments[0]
+    squeezeval = arguments[1] 
+
+    if item.is_a?(Array) then  
+      if squeezeval then
+        item.collect { |i| i.squeeze(squeezeval) }
+      else
+        item.collect { |i| i.squeeze }
+      end
+    else
+      if squeezeval then
+        item.squeeze(squeezeval)
+      else
+        item.squeeze
+      end
+    end
+
+  end
+end
+
+# vim: set ts=2 sw=2 et :