diff -r 000000000000 -r 629c7605ab2a MYTask.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MYTask.h	Wed Apr 08 16:31:19 2009 -0700
@@ -0,0 +1,78 @@
+//
+//  MYTask.h
+//  Murky
+//
+//  Copyright 2008 Jens Alfke. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+
+extern NSString* const MYTaskErrorDomain;
+extern NSString* const MYTaskExitCodeKey;
+extern NSString* const MYTaskObjectKey;
+enum {
+    kMYTaskError = 2
+};
+
+
+
+@interface MYTask : NSObject 
+{
+    @private
+    NSString *_command;
+    NSMutableArray *_arguments;
+    NSString *_currentDirectoryPath;
+    NSTask *_task;
+    int _resultCode;
+    NSError *_error;
+    BOOL _ignoreOutput;
+    NSFileHandle *_outHandle, *_errHandle;
+    NSMutableData *_outputData, *_errorData;
+    NSString *_output;
+    NSMutableArray *_modes;
+    BOOL _isRunning, _taskRunning;
+}
+
+- (id) initWithCommand: (NSString*)subcommand, ... NS_REQUIRES_NIL_TERMINATION;
+
+/* designated initializer (subclasses can override) */
+- (id) initWithCommand: (NSString*)subcommand
+             arguments: (NSArray*)arguments;
+
+- (id) initWithError: (NSError*)error;
+
+- (void) addArgument: (id)argument;
+- (void) addArguments: (id)arg1, ... NS_REQUIRES_NIL_TERMINATION;
+- (void) addArgumentsFromArray: (NSArray*)arguments;
+- (void) prependArguments: (id)arg1, ... NS_REQUIRES_NIL_TERMINATION;
+
+- (void) ignoreOutput;
+
+@property (copy) NSString* currentDirectoryPath;
+
+- (BOOL) run;
+- (BOOL) run: (NSError**)outError;
+
+- (BOOL) start;
+- (void) stop;
+- (BOOL) waitTillFinished;
+
+@property (readonly,nonatomic) BOOL isRunning;
+@property (readonly,retain,nonatomic) NSError* error;
+@property (readonly,nonatomic) NSString *output, *outputAndError;
+@property (readonly,nonatomic) NSData *outputData;
+
+// protected:
+
+/** Subclasses can override this to add arguments or customize the task */
+- (NSTask*) createTask;
+
+/** Sets the error based on the message and parameters. Always returns NO. */
+- (BOOL) makeError: (NSString*)fmt, ...;
+
+/** Called when the task finishes, just before the isRunning property changes back to NO.
+    You can override this to do your own post-processing. */
+- (void) finished;
+
+@end