diff options
Diffstat (limited to 'lib/puppet/parser/functions/lstrip.rb')
-rw-r--r-- | lib/puppet/parser/functions/lstrip.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/lstrip.rb b/lib/puppet/parser/functions/lstrip.rb new file mode 100644 index 00000000..624e4c84 --- /dev/null +++ b/lib/puppet/parser/functions/lstrip.rb @@ -0,0 +1,32 @@ +# +# lstrip.rb +# + +module Puppet::Parser::Functions + newfunction(:lstrip, :type => :rvalue, :doc => <<-EOS +Strips leading spaces to the left of a string. + EOS + ) do |arguments| + + raise(Puppet::ParseError, "lstrip(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + value = arguments[0] + + unless value.is_a?(Array) || value.is_a?(String) + raise(Puppet::ParseError, 'lstrip(): Requires either ' + + 'array or string to work with') + end + + if value.is_a?(Array) + # Numbers in Puppet are often string-encoded which is troublesome ... + result = value.collect { |i| i.is_a?(String) ? i.lstrip : i } + else + result = value.lstrip + end + + return result + end +end + +# vim: set ts=2 sw=2 et : |