Class: Morpheus::Cli::CliRegistry
- Inherits:
-
Object
- Object
- Morpheus::Cli::CliRegistry
- Extended by:
- Term::ANSIColor
- Defined in:
- lib/morpheus/cli/cli_registry.rb
Defined Under Namespace
Classes: BadAlias
Constant Summary collapse
- ALIAS_SPLIT_REGEX =
/(\;)(?=(?:[^"']|"[^'"]*")*$)/
Class Method Summary collapse
- .add(klass, command_name = nil) ⇒ Object
- .all ⇒ Object
- .all_aliases ⇒ Object
- .cli_ize(klass_name) ⇒ Object
-
.exec(command_name, args) ⇒ Object
todo: move execution out of the CliRegistry.
- .exec_alias(alias_name, args) ⇒ Object
- .exec_command(command_name, args) ⇒ Object
- .has_alias?(alias_name) ⇒ Boolean
- .has_command?(command_name) ⇒ Boolean
- .instance ⇒ Object
- .parse_alias_definition(input) ⇒ Object
Instance Method Summary collapse
- #add(cmd_name, klass) ⇒ Object
- #add_alias(alias_name, command_string) ⇒ Object
- #all ⇒ Object
- #all_aliases ⇒ Object
- #flush ⇒ Object
- #get(cmd_name) ⇒ Object
- #get_alias(alias_name) ⇒ Object
-
#initialize ⇒ CliRegistry
constructor
A new instance of CliRegistry.
- #remove(cmd_name) ⇒ Object
- #remove_alias(alias_name) ⇒ Object
Constructor Details
#initialize ⇒ CliRegistry
Returns a new instance of CliRegistry.
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# File 'lib/morpheus/cli/cli_registry.rb', line 10 def initialize @commands = {} # this is command => Class that includes ::CliCommand @aliases = {} # this is alias => String full input string end |
Class Method Details
.add(klass, command_name = nil) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 114 def add(klass, command_name=nil) klass_command_name = cli_ize(klass.name.split('::')[-1]) if has_command?(klass_command_name) instance.remove(klass_command_name) end command_name ||= klass_command_name instance.add(command_name, klass) end |
.all ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 139 def all instance.all end |
.all_aliases ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 143 def all_aliases instance.all_aliases end |
.cli_ize(klass_name) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 147 def cli_ize(klass_name) # borrowed from ActiveSupport return klass_name unless klass_name =~ /[A-Z-]|::/ word = klass_name.to_s.gsub(/::/, '/') word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)(?=\b|[^a-z])/) { "#{$1 && '_'}" } word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2') word.gsub!(/([a-z\d])([A-Z])/,'\1_\2') word.tr!("-", "_") word.downcase! word.chop.tr('_', '-') end |
.exec(command_name, args) ⇒ Object
todo: move execution out of the CliRegistry
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# File 'lib/morpheus/cli/cli_registry.rb', line 68 def exec(command_name, args) exec_command(command_name, args) end |
.exec_alias(alias_name, args) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 83 def exec_alias(alias_name, args) #puts "exec_alias(#{alias_name}, #{args})" found_alias_command = instance.get_alias(alias_name) # support aliases of multiple commands, semicolon delimiter # todo: all_commands = found_alias_command.gsub(ALIAS_SPLIT_REGEX, '__ALIAS_SPLIT_REGEX__').split('__ALIAS_SPLIT_REGEX__').collect {|it| it.to_s.strip }.select {|it| !it.empty? }.compact Morpheus::Logging::DarkPrinter.puts "executing alias #{alias_name} as #{all_commands.join('; ')}" if Morpheus::Logging.debug? all_commands.each do |a_command_string| alias_args = a_command_string.to_s.split(/\s+/) # or just ' ' command_name = alias_args.shift command_args = alias_args + args if command_name == alias_name # needs to be better than this print Term::ANSIColor.red,"alias '#{alias_name}' is calling itself? '#{found_alias_command}'", Term::ANSIColor.reset, "\n" exit 1 end # this allows aliases to use other aliases # todo: prevent recursion infinite loop if has_alias?(command_name) exec_alias(command_name, command_args) elsif has_command?(command_name) #puts "executing alias #{found_alias_command} as #{command_name} with args #{args.join(' ')}" instance.get(command_name).new.handle(alias_args + args) else # raise UnrecognizedCommandError.new(command_name) print Term::ANSIColor.red,"alias '#{alias_name}' uses and unknown command: '#{command_name}'", Term::ANSIColor.reset, "\n" exit 1 end end end |
.exec_command(command_name, args) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 72 def exec_command(command_name, args) #puts "exec_command(#{command_name}, #{args})" found_alias_command = instance.get_alias(command_name) if found_alias_command exec_alias(command_name, args) else #puts "running regular command #{command_name} with arguments #{args.join(' ')}" instance.get(command_name).new.handle(args) end end |
.has_alias?(alias_name) ⇒ Boolean
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# File 'lib/morpheus/cli/cli_registry.rb', line 131 def has_alias?(alias_name) if alias_name.nil? || alias_name == '' false else !instance.get_alias(alias_name).nil? end end |
.has_command?(command_name) ⇒ Boolean
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# File 'lib/morpheus/cli/cli_registry.rb', line 123 def has_command?(command_name) if command_name.nil? || command_name == '' false else !instance.get(command_name).nil? end end |
.instance ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 63 def instance @instance ||= CliRegistry.new end |
.parse_alias_definition(input) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 159 def parse_alias_definition(input) # todo: one multi group regex would work alias_name, command_string = nil, nil chunks = input.to_s.sub(/^alias\s+/, "").split('=') alias_name = chunks.shift command_string = chunks.compact.reject {|it| it.empty? }.join('=') command_string = command_string.strip.sub(/^'/, "").sub(/'\Z/, "").strip return alias_name, command_string end |
Instance Method Details
#add(cmd_name, klass) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 28 def add(cmd_name, klass) @commands[cmd_name.to_sym] = klass end |
#add_alias(alias_name, command_string) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 44 def add_alias(alias_name, command_string) #return @commands[alias_name.to_sym] if self.class.has_command?(alias_name) raise BadAlias.new "alias name '#{alias_name}' is invalid. That is the name of a morpheus command." elsif alias_name.to_s.downcase.strip == command_string.to_s.downcase.strip raise BadAlias.new "alias #{alias_name}=#{command_string} is invalid..." end @aliases[alias_name.to_sym] = command_string end |
#all ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 20 def all @commands.reject {|cmd, klass| klass.hidden_command } end |
#all_aliases ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 36 def all_aliases @aliases end |
#flush ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 15 def flush @commands = {} @aliases = {} end |
#get(cmd_name) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 24 def get(cmd_name) @commands[cmd_name.to_sym] end |
#get_alias(alias_name) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 40 def get_alias(alias_name) @aliases[alias_name.to_sym] end |
#remove(cmd_name) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 32 def remove(cmd_name) @commands.delete(cmd_name.to_sym) end |
#remove_alias(alias_name) ⇒ Object
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# File 'lib/morpheus/cli/cli_registry.rb', line 54 def remove_alias(alias_name) @aliases.delete(alias_name.to_sym) end |