diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/puppet/parser/functions/validate_slength.rb | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/lib/puppet/parser/functions/validate_slength.rb b/lib/puppet/parser/functions/validate_slength.rb index e0ba43b..7d534f3 100644 --- a/lib/puppet/parser/functions/validate_slength.rb +++ b/lib/puppet/parser/functions/validate_slength.rb @@ -21,47 +21,51 @@ module Puppet::Parser::Functions ENDHEREDOC - raise Puppet::ParseError, ("validate_slength(): Wrong number of arguments (#{args.length}; must be 2 or 3)") unless args.length == 2 or args.length == 3 + raise Puppet::ParseError, "validate_slength(): Wrong number of arguments (#{args.length}; must be 2 or 3)" unless args.length == 2 or args.length == 3 - unless (args[0].is_a?(String) or args[0].is_a?(Array)) - raise Puppet::ParseError, ("validate_slength(): please pass a string, or an array of strings - what you passed didn't work for me at all - #{args[0].class}") - end + input, max_length, min_length = *args begin - max_length = args[1].to_i - rescue NoMethodError => e - raise Puppet::ParseError, ("validate_slength(): Couldn't convert whatever you passed as the max length parameter to an integer - sorry: " + e.message ) + 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 - unless args.length == 2 + if min_length begin - min_length = Integer(args[2]) - rescue StandardError => e - raise Puppet::ParseError, ("validate_slength(): Couldn't convert whatever you passed as the min length parameter to an integer - sorry: " + e.message ) + 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(): please pass a positive number as max_length") unless max_length > 0 - raise Puppet::ParseError, ("validate_slength(): please pass a positive number as min_length") unless min_length >= 0 - raise Puppet::ParseError, ("validate_slength(): please pass a min length that is smaller than the maximum") unless min_length <= max_length + if min_length > max_length + raise Puppet::ParseError, "validate_slength(): Expected second argument to be larger than third argument" + end - case args[0] - when String - raise Puppet::ParseError, ("validate_slength(): #{args[0].inspect} is #{args[0].length} characters. It should have been between #{min_length} and #{max_length} characters") unless args[0].length <= max_length and min_length <= arg.length - when Array - args[0].each do |arg| - if arg.is_a?(String) - unless ( arg.is_a?(String) and arg.length <= max_length and min_length <= arg.length) - raise Puppet::ParseError, ("validate_slength(): #{arg.inspect} is #{arg.length} characters. It should have been between #{min_length} and #{max_length} characters") - end - else - raise Puppet::ParseError, ("validate_slength(): #{arg.inspect} is not a string, it's a #{arg.class}") - end + validator = lambda do |str| + unless str.length <= max_length and 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| + if arg.is_a? String + validator.call(arg) + else + raise Puppet::ParseError, "validate_slength(): Expected element at array position #{pos} to be a String, got #{arg.class}" end - else - raise Puppet::ParseError, ("validate_slength(): please pass a string, or an array of strings - what you passed didn't work for me at all - #{args[0].class}") + end + else + raise Puppet::ParseError, "validate_slength(): Expected first argument to be a String or Array, got #{input.class}" end end end |