Class: GrnLine::Wrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/grnline/wrapper.rb

Constant Summary collapse

GROONGA_COMMANDS = 
[
  "cache_limit", "check", "clearlock", "column_create", "column_list",
  "column_remove", "column_rename", "define_selector", "defrag",
  "delete", "dump", "load", "log_level", "log_put", "log_reopen",
  "quit", "register", "select", "shutdown", "status", "table_create",
  "table_list", "table_remove", "table_rename", "truncate"
]
GROONGA_SHUTDOWN_COMMANDS = 
["quit", "shutdown"]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Wrapper

Returns a new instance of Wrapper.



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# File 'lib/grnline/wrapper.rb', line 27

def initialize
  @options = nil
  setup_input_completion
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/grnline/wrapper.rb', line 10

def options
  @options
end

Class Method Details

.run(argv) ⇒ Object 



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# File 'lib/grnline/wrapper.rb', line 22

def run(argv)
  new.run(argv)
end

Instance Method Details

#run(argv) ⇒ Object 



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# File 'lib/grnline/wrapper.rb', line 32

def run(argv)
  @options = parse_commandline_options(argv)
  groonga_commandline = generate_groonga_commandline

  Open3.popen3(*groonga_commandline) do |input, output, error, _|
    @input, @output, @error = input, output, error

    return true unless ensure_groonga_running
    return false unless ensure_groonga_ready

    setup_interrupt_shutdown

    while(command = Readline.readline("groonga> ", true)) do
      process_command(command)
      exit(true) if GROONGA_SHUTDOWN_COMMANDS.include?(command)
    end

    shutdown_groonga
  end
end