Package org.jruby.util.io

Class PopenExecutor

java.lang.Object

org.jruby.util.io.PopenExecutor

public class PopenExecutor
extends Object

Port of MRI's popen+exec logic.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PopenExecutor.ExecArg

Field Summary

Fields

Modifier and Type	Field	Description
static final int	SH_CHDIR_ARG_COUNT

Constructor Summary

Constructors

Constructor	Description
PopenExecutor()

Method Summary

Modifier and Type	Method	Description
static RubyString	checkArgv(ThreadContext context, IRubyObject[] argv)
static RubyArray	checkExecEnv(ThreadContext context, RubyHash hash, PopenExecutor.ExecArg pathArg)
static IRubyObject	checkPipeCommand(ThreadContext context, IRubyObject filenameOrCommand)
static PopenExecutor.ExecArg	execargNew(ThreadContext context, IRubyObject[] argv, IRubyObject optForChdir, boolean accept_shell, boolean allow_exc_opt)
static boolean	nativePopenAvailable(Ruby runtime)	Check properties and runtime state to determine whether a native popen is possible.
static IRubyObject	pipeOpen(ThreadContext context, IRubyObject prog, String modestr, int fmode, IOEncodable convconfig)
static IRubyObject	popen(ThreadContext context, IRubyObject[] argv, RubyClass klass, Block block)
static RubyFixnum	spawn(ThreadContext context, IRubyObject[] argv)
IRubyObject	systemInternal(ThreadContext context, IRubyObject[] argv, String[] errmsg)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SH_CHDIR_ARG_COUNT

public static final int SH_CHDIR_ARG_COUNT

See Also:

• Constant Field Values

Constructor Details

PopenExecutor

public PopenExecutor()

Method Details

nativePopenAvailable

public static boolean nativePopenAvailable(Ruby runtime)

Check properties and runtime state to determine whether a native popen is possible.

Parameters:

runtime - current runtime

Returns:

true if popen can use native code, false otherwise

checkPipeCommand

public static IRubyObject checkPipeCommand(ThreadContext context,
 IRubyObject filenameOrCommand)

spawn

public static RubyFixnum spawn(ThreadContext context,
 IRubyObject[] argv)

systemInternal

public IRubyObject systemInternal(ThreadContext context,
 IRubyObject[] argv,
 String[] errmsg)

pipeOpen

public static IRubyObject pipeOpen(ThreadContext context,
 IRubyObject prog,
 String modestr,
 int fmode,
 IOEncodable convconfig)

popen

public static IRubyObject popen(ThreadContext context,
 IRubyObject[] argv,
 RubyClass klass,
 Block block)

checkExecEnv

public static RubyArray checkExecEnv(ThreadContext context,
 RubyHash hash,
 PopenExecutor.ExecArg pathArg)

execargNew

public static PopenExecutor.ExecArg execargNew(ThreadContext context,
 IRubyObject[] argv,
 IRubyObject optForChdir,
 boolean accept_shell,
 boolean allow_exc_opt)

checkArgv

public static RubyString checkArgv(ThreadContext context,
 IRubyObject[] argv)