Parent

Included Modules

Rake::TaskArguments

                                                                  

TaskAguments manage the arguments passed to a task.

Attributes

names[R]

Public Class Methods

new(names, values, parent=nil) click to toggle source

Create a TaskArgument object with a list of named arguments (given by :names) and a set of associated values (given by :values). :parent is the parent argument object.

    # File lib/rake/task_arguments.rb, line 14
14:     def initialize(names, values, parent=nil)
15:       @names = names
16:       @parent = parent
17:       @hash = {}
18:       names.each_with_index { |name, i|
19:         @hash[name.to_sym] = values[i] unless values[i].nil?
20:       }
21:     end

Public Instance Methods

[](index) click to toggle source

Find an argument value by name or index.

    # File lib/rake/task_arguments.rb, line 31
31:     def [](index)
32:       lookup(index.to_sym)
33:     end
each(&block) click to toggle source
    # File lib/rake/task_arguments.rb, line 42
42:     def each(&block)
43:       @hash.each(&block)
44:     end
inspect() click to toggle source
    # File lib/rake/task_arguments.rb, line 58
58:     def inspect
59:       to_s
60:     end
method_missing(sym, *args, &block) click to toggle source
    # File lib/rake/task_arguments.rb, line 46
46:     def method_missing(sym, *args, &block)
47:       lookup(sym.to_sym)
48:     end
new_scope(names) click to toggle source

Create a new argument scope using the prerequisite argument names.

    # File lib/rake/task_arguments.rb, line 25
25:     def new_scope(names)
26:       values = names.collect { |n| self[n] }
27:       self.class.new(names, values, self)
28:     end
to_hash() click to toggle source
    # File lib/rake/task_arguments.rb, line 50
50:     def to_hash
51:       @hash
52:     end
to_s() click to toggle source
    # File lib/rake/task_arguments.rb, line 54
54:     def to_s
55:       @hash.inspect
56:     end
with_defaults(defaults) click to toggle source

Specify a hash of default values for task arguments. Use the defaults only if there is no specific value for the given argument.

    # File lib/rake/task_arguments.rb, line 38
38:     def with_defaults(defaults)
39:       @hash = defaults.merge(@hash)
40:     end

Protected Instance Methods

lookup(name) click to toggle source
    # File lib/rake/task_arguments.rb, line 64
64:     def lookup(name)
65:       if @hash.has_key?(name)
66:         @hash[name]
67:       elsif @parent
68:         @parent.lookup(name)
69:       end
70:     end

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