Class: Applix
- Inherits:
-
Object
- Object
- Applix
- Defined in:
- lib/applix.rb,
lib/applix/version.rb
Overview
gem version is extracted automatically from this class during the build process
Constant Summary collapse
- VERSION =
'0.4.14'
Class Method Summary collapse
-
.main(argv, app_defaults = {}, &blk) ⇒ Object
prints primitve usage in case of error,.
-
.main!(argv, app_defaults = {}, &blk) ⇒ Object
raises exception on error dumps callstack in case of error when –debug is enabled.
Instance Method Summary collapse
Class Method Details
.main(argv, app_defaults = {}, &blk) ⇒ Object
prints primitve usage in case of error,
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# File 'lib/applix.rb', line 10 def self.main argv, app_defaults = {}, &blk self.main!(argv, app_defaults, &blk) rescue => e puts <<-TXT ## #{e} usage: #{$0} <args...> TXT end |
.main!(argv, app_defaults = {}, &blk) ⇒ Object
raises exception on error
dumps callstack in case of error when --debug is enabled
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# File 'lib/applix.rb', line 26 def self.main! argv, app_defaults = {}, &blk app = Applix.new(app_defaults.merge(Hash.from_argv argv)) app.instance_eval(&blk) app.run(argv, app_defaults, &blk) rescue => e #app.debug? and (puts %[ !! #{e}:\n#{e.backtrace.join "\n"}]) (puts %[ !! #{e}:\n#{e.backtrace.join "\n"}]) if app.debug? raise end |
Instance Method Details
#debug? ⇒ Boolean
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# File 'lib/applix.rb', line 37 def debug? @options[:debug] == true end |
#run(argv, defaults = {}) ⇒ Object
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# File 'lib/applix.rb', line 41 def run argv, defaults = {} # run defaults are overloaded with argv command line options = defaults.merge(Hash.from_argv argv) args = (.delete :args) # pre handle, can modify args & options @prolog_cb.call(args, ) unless @prolog_cb.nil? # logic table for dispatching the command line onto an action # # id | name exits? any | action # -- | -----------------+-------------- # 1 | - - | error: no any, mapped to #3 with name == :any # 2 | - x | -> any # 3 | x - - | error: no any # 4 | x - x | -> any # 5 | x x - | -> task # 6 | x x x | -> task # # having name with no task is the same as no name with no any task.. name = (args.shift || :any).to_sym # shoose existing task or :any task = tasks[name] || tasks[:any] task or (raise "no such task: '#{name}'") # case #4: we must un-shift the name back into the args list to let :any # still sees it as first argument, (args.unshift name.to_s) if(name != :any && task[:name] == :any) # cluster for nesting or direct calling? if task[:cluster] #rc = Applix.main(args, options, &task[:code]) cluster_task = task[:name].to_sym = .merge([cluster_task] || {}) .delete(cluster_task) .merge!(Hash.from_argv argv) rc = Applix.main(args, , &task[:code]) else rc = task[:code].call(*args, ) end # post handle unless @epilog_cb.nil? rc = @epilog_cb.call(rc, args, ) end rc # return result code from handle callbacks, not the epilog_cb end |