Module: Main::Program::ClassMethods

Included in:
Main::Program
Defined in:
lib/main/program/class_methods.rb

Defined Under Namespace

Classes: Factory

Instance Method Summary collapse

Instance Method Details

#argument(*a, &b) ⇒ Object 



188
189
190
 
# File 'lib/main/program/class_methods.rb', line 188

def argument(*a, &b)
  (parameters << Parameter.create(:argument, self, *a, &b)).last
end

#can_has(ptype, *a, &b) ⇒ Object 



216
217
218
219
220
 
# File 'lib/main/program/class_methods.rb', line 216

def can_has(ptype, *a, &b)
  key = a.map{|s| s.to_s}.sort_by{|s| -s.size }.first
  can_has_hash.update key => [ptype, a, b]
  key
end

#chunkname ⇒ Object

TODO - for some reason these hork the usage!



247
248
249
250
251
252
253
254
 
# File 'lib/main/program/class_methods.rb', line 247

%w[ examples samples api ].each do |chunkname|
  module_eval <<-code
    def #{ chunkname } *a, &b 
      txt = b ? b.call : a.join("\\n")
      usage['#{ chunkname }'] = txt
    end
  code
end

#default_options! ⇒ Object 



204
205
206
 
# File 'lib/main/program/class_methods.rb', line 204

def default_options!
  option 'help', 'h' unless parameters.has_option?('help', 'h')
end

#dynamically_extend_via_commandline_modes! ⇒ Object

extend the class based on modules given in argv



99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
 
# File 'lib/main/program/class_methods.rb', line 99

def dynamically_extend_via_commandline_modes!
  self.breadth_first_modes = modes.dup
  size = modes.size

  loop do
    modes.each do |mode|
      arg = argv.first && %r/^#{ argv.first }/
      if arg and mode.name =~ arg
        argv.shift
        modes.clear()
        breadth_first_modes.clear()
        evaluate(&mode)
        self.breadth_first_modes = modes.dup
        depth_first_modes[mode.name] = mode
        break
      end
    end

    arg = argv.first && %r/^#{ argv.first }/
    more_modes = (
      !modes.empty? and modes.any?{|mode| arg && mode.name =~ arg}
    )

    break unless more_modes
  end

  self.modes = depth_first_modes.dup
end

#environment(*a, &b) ⇒ Object 



200
201
202
 
# File 'lib/main/program/class_methods.rb', line 200

def environment(*a, &b)
  (parameters << Parameter.create(:environment, self, *a, &b)).last
end

#evaluate(&block) ⇒ Object 



87
88
89
 
# File 'lib/main/program/class_methods.rb', line 87

def evaluate(&block)
  module_eval(&block)
end

#factory(&block) ⇒ Object Also known as: create 



33
34
35
 
# File 'lib/main/program/class_methods.rb', line 33

def factory(&block)
  Factory.new(&block)
end

#fully_qualified_mode ⇒ Object

TODO



166
167
168
 
# File 'lib/main/program/class_methods.rb', line 166

def fully_qualified_mode
  modes.map{|mode| mode.name}
end

#has(key, *keys) ⇒ Object 



222
223
224
225
226
227
228
229
230
 
# File 'lib/main/program/class_methods.rb', line 222

def has(key, *keys)
  keys = [key, *keys].flatten.compact.map{|k| k.to_s}
  keys.map do |key|
    ptype, a, b = can_has_hash[key]
    abort "yo - can *not* has #{ key.inspect }!?" unless(ptype and a and b)
    send ptype, *a, &b
    key
  end
end

#keyword(*a, &b) ⇒ Object 



196
197
198
 
# File 'lib/main/program/class_methods.rb', line 196

def keyword(*a, &b)
  (parameters << Parameter.create(:keyword, self, *a, &b)).last
end

#mixin(name, *names, &block) ⇒ Object 



232
233
234
235
236
237
238
239
240
241
242
243
 
# File 'lib/main/program/class_methods.rb', line 232

def mixin(name, *names, &block)
  names = [name, *names].flatten.compact.map{|name| name.to_s}
  if block
    names.each do |name|
      mixin_table[name] = block
    end
  else
    names.each do |name|
      module_eval(&mixin_table[name])
    end
  end
end

#mode(name, &block) ⇒ Object 



208
209
210
211
212
213
214
 
# File 'lib/main/program/class_methods.rb', line 208

def mode(name, &block)
  name = name.to_s
  block.fattr(:name => name)
  modes[name] = block
  breadth_first_modes[name] = block
  block
end

#mode_name ⇒ Object 



170
171
172
173
 
# File 'lib/main/program/class_methods.rb', line 170

def mode_name
  return 'main' if modes.empty?
  fully_qualified_mode.join(' ')
end

#new ⇒ Object 



74
75
76
77
78
79
80
81
82
83
84
85
 
# File 'lib/main/program/class_methods.rb', line 74

def new()
  instance = allocate
  instance.instance_eval do
    pre_initialize()
    before_initialize()
    main_initialize()
    initialize()
    after_initialize()
    post_initialize()
  end
  instance
end

#option(*a, &b) ⇒ Object 



192
193
194
 
# File 'lib/main/program/class_methods.rb', line 192

def option(*a, &b)
  (parameters << Parameter.create(:option, self, *a, &b)).last
end

#parameter(*a, &b) ⇒ Object 



184
185
186
 
# File 'lib/main/program/class_methods.rb', line 184

def parameter(*a, &b)
  (parameters << Parameter.create(:parameter, self, *a, &b)).last
end

#run(&block) ⇒ Object 



258
259
260
261
 
# File 'lib/main/program/class_methods.rb', line 258

def run(&block)
  block ||= lambda{}
  define_method(:run, &block) if block
end

#set_default_options! ⇒ Object 



91
92
93
 
# File 'lib/main/program/class_methods.rb', line 91

def set_default_options!
  option('help', 'h') unless parameters.has_option?('help', 'h')
end

#usage(*args, &block) ⇒ Object 



176
177
178
179
180
181
182
 
# File 'lib/main/program/class_methods.rb', line 176

def usage(*args, &block)
  usage! unless defined? @usage 
  return @usage if args.empty? and block.nil?
  key, value, *ignored = args
  value = block.call if block
  @usage[key.to_s] = value.to_s
end

#wrap_run! ⇒ Object

wrap up users run method to handle errors, etc



130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
 
# File 'lib/main/program/class_methods.rb', line 130

def wrap_run!
  evaluate do
    alias_method 'run!', 'run'

    def run()
      exit_status =
        catch :exit do
          begin
            parse_parameters

            if help?
              puts(usage.to_s)
              exit
            end

            pre_run
            before_run
            run!
            after_run
            post_run

            finalize
          rescue Object => exception
            self.exit_status ||= exception.status if exception.respond_to?(:status)
            handle_exception(exception)
          end
          nil
        end

      self.exit_status ||= (exit_status || exit_success)
      handle_exit(self.exit_status)
    end
  end
end