+#
+# to_bytes.rb
+#
module Puppet::Parser::Functions
- newfunction(:to_bytes, :type => :rvalue, :doc => <<-EOS
+ newfunction(:to_bytes, :type => :rvalue, :doc => <<-DOC
Converts the argument into bytes, for example 4 kB becomes 4096.
Takes a single string value as an argument.
These conversions reflect a layperson's understanding of
1 MB = 1024 KB, when in fact 1 MB = 1000 KB, and 1 MiB = 1024 KiB.
- EOS
- ) do |arguments|
+ DOC
+ ) do |arguments|
- raise(Puppet::ParseError, "to_bytes(): Wrong number of arguments " +
- "given (#{arguments.size} for 1)") if arguments.size != 1
+ raise(Puppet::ParseError, "to_bytes(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size != 1
arg = arguments[0]
return arg if arg.is_a? Numeric
- value,prefix = */([0-9.e+-]*)\s*([^bB]?)/.match(arg)[1,2]
+ value, prefix = *%r{([0-9.e+-]*)\s*([^bB]?)}.match(arg)[1, 2]
value = value.to_f
case prefix
when '' then return value.to_i
- when 'k' then return (value*(1<<10)).to_i
- when 'M' then return (value*(1<<20)).to_i
- when 'G' then return (value*(1<<30)).to_i
- when 'T' then return (value*(1<<40)).to_i
- when 'P' then return (value*(1<<50)).to_i
- when 'E' then return (value*(1<<60)).to_i
+ when 'k' then return (value * (1 << 10)).to_i
+ when 'M' then return (value * (1 << 20)).to_i
+ when 'G' then return (value * (1 << 30)).to_i
+ when 'T' then return (value * (1 << 40)).to_i
+ when 'P' then return (value * (1 << 50)).to_i
+ when 'E' then return (value * (1 << 60)).to_i
else raise Puppet::ParseError, "to_bytes(): Unknown prefix #{prefix}"
end
end