Sha256: 9c17b6cc6eca1b8df649bf09fa532917fdc1c81e59cd2401b1ba606527f126d6
Contents?: true
Size: 1.3 KB
Versions: 15
Compression:
Stored size: 1.3 KB
Contents
# Interactive Ruby 2D console
# Save the Ruby file from the command-line arguments
rb_file = ARGV[1]
# Check if source file provided is good
if !rb_file
puts "Provide a Ruby file to run"
exit 1
elsif !File.exist? rb_file
puts "Can't find file: #{rb_file}"
exit 1
end
# Add libraries
require 'open3'
require 'readline'
require 'io/wait'
line = 1 # the current line number
# Open a new process for the Ruby file
stdin, stdout, stderr, wait_thr = Open3.popen3("ruby -r 'ruby2d/cli/enable_console' #{rb_file}")
# Request input and send commands
loop do
# Read the next command
cmd = Readline.readline("ruby2d:#{line}> ", true)
# Quit if command is 'exit'
if cmd == 'exit'
Process.kill 'INT', wait_thr.pid
wait_thr.value
exit
end
# Try sending commands
begin
# Skip if command is an empty string
unless cmd.empty?
# Send command to the Ruby file
stdin.puts cmd
# Read and print output from the Ruby file
puts stdout.gets
while stdout.ready? do
puts stdout.gets
end
end
# Increment the line number
line += 1
# Rescue exception if can't send commands to the Ruby 2D window
rescue Errno::EPIPE
puts "Can't connect to the window (was it closed?)",
"For help, see: ruby2d.com/learn/console"
exit 1
end
end
Version data entries
15 entries across 15 versions & 2 rubygems