diff options
Diffstat (limited to 'lib/puppet/string/option.rb')
-rw-r--r-- | lib/puppet/string/option.rb | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/lib/puppet/string/option.rb b/lib/puppet/string/option.rb deleted file mode 100644 index 352f7e5ef..000000000 --- a/lib/puppet/string/option.rb +++ /dev/null @@ -1,82 +0,0 @@ -require 'puppet/string' - -class Puppet::String::Option - attr_reader :parent - attr_reader :name - attr_reader :aliases - attr_reader :optparse - attr_accessor :desc - - def takes_argument? - !!@argument - end - def optional_argument? - !!@optional_argument - end - - def initialize(parent, *declaration, &block) - @parent = parent - @optparse = [] - - # Collect and sort the arguments in the declaration. - dups = {} - declaration.each do |item| - if item.is_a? String and item.to_s =~ /^-/ then - unless item =~ /^-[a-z]\b/ or item =~ /^--[^-]/ then - raise ArgumentError, "#{item.inspect}: long options need two dashes (--)" - end - @optparse << item - - # Duplicate checking... - name = optparse_to_name(item) - if dup = dups[name] then - raise ArgumentError, "#{item.inspect}: duplicates existing alias #{dup.inspect} in #{@parent}" - else - dups[name] = item - end - else - raise ArgumentError, "#{item.inspect} is not valid for an option argument" - end - end - - if @optparse.empty? then - raise ArgumentError, "No option declarations found while building" - end - - # Now, infer the name from the options; we prefer the first long option as - # the name, rather than just the first option. - @name = optparse_to_name(@optparse.find do |a| a =~ /^--/ end || @optparse.first) - @aliases = @optparse.map { |o| optparse_to_name(o) } - - # Do we take an argument? If so, are we consistent about it, because - # incoherence here makes our life super-difficult, and we can more easily - # relax this rule later if we find a valid use case for it. --daniel 2011-03-30 - @argument = @optparse.any? { |o| o =~ /[ =]/ } - if @argument and not @optparse.all? { |o| o =~ /[ =]/ } then - raise ArgumentError, "Option #{@name} is inconsistent about taking an argument" - end - - # Is our argument optional? The rules about consistency apply here, also, - # just like they do to taking arguments at all. --daniel 2011-03-30 - @optional_argument = @optparse.any? { |o| o.include? "[" } - if @optional_argument and not @optparse.all? { |o| o.include? "[" } then - raise ArgumentError, "Option #{@name} is inconsistent about the argument being optional" - end - end - - # to_s and optparse_to_name are roughly mirrored, because they are used to - # transform strings to name symbols, and vice-versa. This isn't a full - # bidirectional transformation though. - def to_s - @name.to_s.tr('_', '-') - end - - def optparse_to_name(declaration) - unless found = declaration.match(/^-+(?:\[no-\])?([^ =]+)/) then - raise ArgumentError, "Can't find a name in the declaration #{declaration.inspect}" - end - name = found.captures.first.tr('-', '_') - raise "#{name.inspect} is an invalid option name" unless name.to_s =~ /^[a-z]\w*$/ - name.to_sym - end -end |