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-rw-r--r--code/environments/production/modules/stdlib/lib/puppet/parser/functions/validate_slength.rb71
1 files changed, 71 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/validate_slength.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/validate_slength.rb
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+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/validate_slength.rb
@@ -0,0 +1,71 @@
+#
+# validate_slength.rb
+#
+module Puppet::Parser::Functions
+ newfunction(:validate_slength, :doc => <<-'DOC') do |args|
+ Validate that the first argument is a string (or an array of strings), and
+ less/equal to than the length of the second argument. An optional third
+ parameter can be given the minimum length. It fails if the first
+ argument is not a string or array of strings, and if arg 2 and arg 3 are
+ not convertable to a number.
+
+ The following values will pass:
+
+ validate_slength("discombobulate",17)
+ validate_slength(["discombobulate","moo"],17)
+ validate_slength(["discombobulate","moo"],17,3)
+
+ The following valueis will not:
+
+ validate_slength("discombobulate",1)
+ validate_slength(["discombobulate","thermometer"],5)
+ validate_slength(["discombobulate","moo"],17,10)
+
+ DOC
+
+ function_deprecation([:validate_slength, 'This method is deprecated, please use the stdlib validate_legacy function,
+ with String[]. There is further documentation for validate_legacy function in the README.'])
+
+ raise Puppet::ParseError, "validate_slength(): Wrong number of arguments (#{args.length}; must be 2 or 3)" unless args.length == 2 || args.length == 3
+
+ input, max_length, min_length = *args
+
+ begin
+ max_length = Integer(max_length)
+ raise ArgumentError if max_length <= 0
+ rescue ArgumentError, TypeError
+ raise Puppet::ParseError, "validate_slength(): Expected second argument to be a positive Numeric, got #{max_length}:#{max_length.class}"
+ end
+
+ if min_length
+ begin
+ min_length = Integer(min_length)
+ raise ArgumentError if min_length < 0
+ rescue ArgumentError, TypeError
+ raise Puppet::ParseError, "validate_slength(): Expected third argument to be unset or a positive Numeric, got #{min_length}:#{min_length.class}"
+ end
+ else
+ min_length = 0
+ end
+
+ raise Puppet::ParseError, 'validate_slength(): Expected second argument to be equal to or larger than third argument' unless max_length >= min_length
+
+ validator = ->(str) do
+ unless str.length <= max_length && str.length >= min_length
+ raise Puppet::ParseError, "validate_slength(): Expected length of #{input.inspect} to be between #{min_length} and #{max_length}, was #{input.length}"
+ end
+ end
+
+ case input
+ when String
+ validator.call(input)
+ when Array
+ input.each_with_index do |arg, pos|
+ raise Puppet::ParseError, "validate_slength(): Expected element at array position #{pos} to be a String, got #{arg.class}" unless arg.is_a? String
+ validator.call(arg)
+ end
+ else
+ raise Puppet::ParseError, "validate_slength(): Expected first argument to be a String or Array, got #{input.class}"
+ end
+ end
+end