From 99a93d366f2e1efb977fcc8fe300d3d8357c8214 Mon Sep 17 00:00:00 2001
From: Ken Barber <ken@bob.sh>
Date: Fri, 29 Apr 2011 09:27:10 +0200
Subject: Convert to module format.

---
 lib/puppet/parser/functions/num2bool.rb | 38 +++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 lib/puppet/parser/functions/num2bool.rb

(limited to 'lib/puppet/parser/functions/num2bool.rb')

diff --git a/lib/puppet/parser/functions/num2bool.rb b/lib/puppet/parser/functions/num2bool.rb
new file mode 100644
index 0000000..2baef62
--- /dev/null
+++ b/lib/puppet/parser/functions/num2bool.rb
@@ -0,0 +1,38 @@
+#
+# num2bool.rb
+#
+
+# TODO(Krzysztof Wilczynski): We probably need to approach numeric values differently ...
+
+module Puppet::Parser::Functions
+  newfunction(:num2bool, :type => :rvalue, :doc => <<-EOS
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "num2bool(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    number = arguments[0]
+
+    # Only numbers allowed ...
+    unless number.match(/^\-?\d+$/)
+      raise(Puppet::ParseError, 'num2bool(): Requires integer to work with')
+    end
+
+    result = case number
+      when /^0$/
+        false
+      when /^\-?\d+$/
+        # Numbers in Puppet are often string-encoded which is troublesome ...
+        number = number.to_i
+        # We yield true for any positive number and false otherwise ...
+        number > 0 ? true : false
+      else
+        raise(Puppet::ParseError, 'num2bool(): Unknown numeric format given')
+    end
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :
-- 
cgit v1.2.3


From 19313b43ea04066a88a0b78e83650ac52785e2e9 Mon Sep 17 00:00:00 2001
From: Ken Barber <ken@bob.sh>
Date: Fri, 29 Jul 2011 22:18:56 +0100
Subject: (#3) Apply missing documentation to more functions.

---
 lib/puppet/parser/functions/num2bool.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/puppet/parser/functions/num2bool.rb')

diff --git a/lib/puppet/parser/functions/num2bool.rb b/lib/puppet/parser/functions/num2bool.rb
index 2baef62..874db22 100644
--- a/lib/puppet/parser/functions/num2bool.rb
+++ b/lib/puppet/parser/functions/num2bool.rb
@@ -6,6 +6,8 @@
 
 module Puppet::Parser::Functions
   newfunction(:num2bool, :type => :rvalue, :doc => <<-EOS
+This function converts a number into a true boolean. Zero becomes false. Numbers
+higher then 0 become true.
     EOS
   ) do |arguments|
 
-- 
cgit v1.2.3