Class: KrakenMobile::CommandHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/kraken-mobile/helpers/command_helper.rb

Instance Method Summary collapse

Instance Method Details

#build_command(commands) ⇒ Object 



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# File 'lib/kraken-mobile/helpers/command_helper.rb', line 11

def build_command commands
	commands.compact*' '
end

#build_export_env_command(env_variables) ⇒ Object

Exports a list of environment variables to the users computer.



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# File 'lib/kraken-mobile/helpers/command_helper.rb', line 16

def build_export_env_command env_variables
	commands = env_variables.map { |key, value|
		user_is_using_windows ? "(SET \"#{key}=#{value}\")" : "#{key}=#{value};export #{key}"
	}
	commands.join(terminal_command_separator)
end

#execute_command(process_number, command) ⇒ Object 



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# File 'lib/kraken-mobile/helpers/command_helper.rb', line 23

def execute_command process_number, command
	output = open("|#{command}", 'r') { |output| show_output(output, process_number)  }
	exitstatus = $?.exitstatus
end

#show_output(output, process_number) ⇒ Object 



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# File 'lib/kraken-mobile/helpers/command_helper.rb', line 28

def show_output(output, process_number)
	loop do
		begin
			line = output.readline()
			$stdout.print "#{process_number}> #{line}"
			$stdout.flush
		end
	end rescue EOFError
end

#terminal_command_separator ⇒ Object 



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# File 'lib/kraken-mobile/helpers/command_helper.rb', line 7

def terminal_command_separator
	user_is_using_windows ? ' & ' : ';'
end

#user_is_using_windows ⇒ Object 



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# File 'lib/kraken-mobile/helpers/command_helper.rb', line 3

def user_is_using_windows
	RbConfig::CONFIG['host_os'] =~ /cygwin|mswin|mingw|bccwin|wince|emx/
end