From 0136cdb35999a5ce8c3885bdcb5ad308114efec9 Mon Sep 17 00:00:00 2001
From: mh <mh@immerda.ch>
Date: Wed, 20 Mar 2013 21:37:51 +0100
Subject: init of templatewlv

---
 lib/puppet/parser/functions/templatewlv.rb | 41 ++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 lib/puppet/parser/functions/templatewlv.rb

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

diff --git a/lib/puppet/parser/functions/templatewlv.rb b/lib/puppet/parser/functions/templatewlv.rb
new file mode 100644
index 0000000..c9579e2
--- /dev/null
+++ b/lib/puppet/parser/functions/templatewlv.rb
@@ -0,0 +1,41 @@
+require File.join(File.dirname(__FILE__),'../templatewrapperwlv')
+Puppet::Parser::Functions::newfunction(:templatewlv, :type => :rvalue, :arity => -2, :doc =>
+  "A wrapper around puppet's template function. See
+  [the templating docs](http://docs.puppetlabs.com/guides/templating.html) for 
+  the basic functionality.
+
+  Additionally, you can pass a hash, as the last argument, which will be turned into
+  local variables and available to the template itself. This will allow you  to define
+  variables in a template and pass them down to a template you include in the current
+  template. An example:
+
+    scope.function_templatewlv(['sub_template', { 'local_var' => 'value' }])
+  
+  Note that if multiple templates are specified, their output is all
+  concatenated and returned as the output of the function.") do |vals|
+
+    if vals.last.is_a?(Hash)
+      local_vars = vals.last
+      local_vals = vals[0..-2]
+    else
+      local_vars = {}
+      local_vals = vals
+    end
+
+    result = nil
+    local_vals.collect do |file|
+      # Use a wrapper, so the template can't get access to the full
+      # Scope object.
+      debug "Retrieving template #{file}"
+
+      wrapper = Puppet::Parser::TemplateWrapperWlv.new(self,local_vars)
+      wrapper.file = file
+      begin
+        wrapper.result
+      rescue => detail
+        info = detail.backtrace.first.split(':')
+        raise Puppet::ParseError,
+          "Failed to parse template #{file}:\n  Filepath: #{info[0]}\n  Line: #{info[1]}\n  Detail: #{detail}\n"
+      end
+    end.join("")
+end
-- 
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