diff options
Diffstat (limited to 'code/environments/production/modules/stdlib/lib/puppet/parser/functions/convert_base.rb')
-rw-r--r-- | code/environments/production/modules/stdlib/lib/puppet/parser/functions/convert_base.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/convert_base.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/convert_base.rb new file mode 100644 index 0000000..6d17f85 --- /dev/null +++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/convert_base.rb @@ -0,0 +1,36 @@ +# +# convert_base.rb +# +module Puppet::Parser::Functions + newfunction(:convert_base, :type => :rvalue, :arity => 2, :doc => <<-'DOC') do |args| + Converts a given integer or base 10 string representing an integer to a specified base, as a string. + + Usage: + + $binary_repr = convert_base(5, 2) # $binary_repr is now set to "101" + $hex_repr = convert_base("254", "16") # $hex_repr is now set to "fe" + + DOC + + raise Puppet::ParseError, 'convert_base(): First argument must be either a string or an integer' unless args[0].is_a?(Integer) || args[0].is_a?(String) + raise Puppet::ParseError, 'convert_base(): Second argument must be either a string or an integer' unless args[1].is_a?(Integer) || args[1].is_a?(String) + + if args[0].is_a?(String) + raise Puppet::ParseError, 'convert_base(): First argument must be an integer or a string corresponding to an integer in base 10' unless args[0] =~ %r{^[0-9]+$} + end + + if args[1].is_a?(String) + raise Puppet::ParseError, 'convert_base(): First argument must be an integer or a string corresponding to an integer in base 10' unless args[1] =~ %r{^[0-9]+$} + end + + number_to_convert = args[0] + new_base = args[1] + + number_to_convert = number_to_convert.to_i + new_base = new_base.to_i + + raise Puppet::ParseError, 'convert_base(): base must be at least 2 and must not be greater than 36' unless new_base >= 2 && new_base <= 36 + + return number_to_convert.to_s(new_base) + end +end |