Sha256: fbfa90b49bc1e5332c030f03e4c4c4e719f6527f7c9e40a08b05854da9c037f8
Contents?: true
Size: 1.45 KB
Versions: 29
Compression:
Stored size: 1.45 KB
Contents
require 'stringio'
require 'fig/operating_system'
module Fig; end
class Fig::ExternalProgram
def self.set_up_open3
require 'open3'
def self.popen(*cmd)
exit_code = nil
Open3.popen3(*cmd) { |stdin, stdout, stderr, wait_thread|
yield stdin, stdout, stderr
exit_code = wait_thread.value
}
return exit_code
end
end
if Fig::OperatingSystem.windows?
set_up_open3
else
require 'open4'
def self.popen(*cmd)
return Open4::popen4(*cmd) { |pid, stdin, stdout, stderr|
yield stdin, stdout, stderr
}
end
end
def self.capture(command_line, input = nil)
output = nil
errors = nil
result = popen(*command_line) do
|stdin, stdout, stderr|
if ! input.nil?
stdin.puts input # Potential deadlock if input is bigger than pipe size.
end
stdin.close
output = StringIO.new
errors = StringIO.new
input_to_output = {stdout => output, stderr => errors}
while ! input_to_output.empty?
ready, * = IO.select input_to_output.keys
ready.each do
|handle|
begin
input_to_output[handle] << handle.readpartial(4096)
rescue EOFError
input_to_output.delete handle
end
end
end
end
if ! output.nil?
output = output.string
end
if ! errors.nil?
errors = errors.string
end
return output, errors, result
end
end
Version data entries
29 entries across 29 versions & 1 rubygems