src/cocoa/utilsexc.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/utilsexec.mm
   3 // Purpose:     Execution-related utilities for wxCocoa
   4 // Author:      Ryan Norton
   5 // Modified by:
   6 // Created:     2004-10-05
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 // Notes:       This code may be useful on platforms other than Darwin.
  11 //              On Darwin we share the CoreFoundation code with wxMac.
  12 /////////////////////////////////////////////////////////////////////////////
  13
  14 #include "wx/wxprec.h"
  15 #ifndef WX_PRECOMP
  16 #endif
  17 #include "wx/unix/execute.h"
  18 #include "wx/utils.h"
  19
  20 #if 0
  21
  22 #ifdef __GNUG__
  23 #pragma implementation
  24 #endif
  25
  26 #include "wx/utils.h"
  27
  28 #include "wx/process.h"
  29 #include "wx/stream.h"
  30
  31 #include "wx/cocoa/string.h"
  32
  33 #import <Foundation/Foundation.h>
  34 #import <AppKit/NSWorkspace.h>
  35
  36 //
  37 // RN:  This is a prelimenary implementation - simple
  38 // launching and process redirection works,
  39 // but with the piping tests in the exec sample
  40 // SIGPIPE is triggered...
  41 //
  42
  43 class wxPipeInputStream : public wxInputStream
  44 {
  45 public:
  46     wxPipeInputStream(NSPipe* thePipe) :
  47             m_thePipe(thePipe),
  48             m_theHandle([m_thePipe fileHandleForReading])
  49     {
  50     }
  51
  52     ~wxPipeInputStream()
  53     {
  54         [m_thePipe release];
  55     }
  56
  57 protected:
  58     virtual size_t OnSysRead(void *buffer, size_t size)
  59     {
  60         NSData* theData = [m_theHandle readDataOfLength:size];
  61         memcpy(buffer, [theData bytes], [theData length]);
  62         return [theData length];
  63     }
  64
  65
  66     NSPipe*             m_thePipe;
  67     NSFileHandle*       m_theHandle;
  68 };
  69
  70 class wxPipeOutputStream : public wxOutputStream
  71 {
  72 public:
  73     wxPipeOutputStream(NSPipe* thePipe) :
  74             m_thePipe(thePipe),
  75             m_theHandle([m_thePipe fileHandleForWriting])
  76     {
  77     }
  78
  79     ~wxPipeOutputStream()
  80     {
  81         [m_thePipe release];
  82     }
  83
  84 protected:
  85
  86     virtual size_t OnSysWrite(const void *buffer, size_t bufsize)
  87     {
  88         NSData* theData = [NSData dataWithBytesNoCopy:(void*)buffer
  89                                   length:bufsize];
  90         [m_theHandle writeData:theData];
  91         return bufsize;
  92     }
  93
  94     NSPipe*             m_thePipe;
  95     NSFileHandle*       m_theHandle;
  96 };
  97
  98 @interface wxTaskHandler : NSObject
  99 {
 100     long m_pid;
 101     void* m_handle;
 102 }
 103 -(id)init:(void*)handle processIdentifier:(long)pid;
 104 - (void)termHandler:(NSNotification *)aNotification;
 105 @end
 106
 107 @implementation wxTaskHandler : NSObject
 108
 109 -(id)init:(void*)handle processIdentifier:(long)pid
 110 {
 111     self = [super init];
 112
 113     m_handle = handle;
 114     m_pid = pid;
 115
 116     [[NSNotificationCenter defaultCenter] addObserver:self
 117             selector:@selector(termHandler:)
 118             name:NSTaskDidTerminateNotification
 119             object:nil];
 120     return self;
 121 }
 122
 123 - (void)termHandler:(NSNotification *)aNotification
 124 {
 125     NSTask* theTask = [aNotification object];
 126
 127     if ([theTask processIdentifier] == m_pid)
 128     {
 129         ((wxProcess*)m_handle)->OnTerminate([theTask processIdentifier],
 130                           [theTask terminationStatus]);
 131
 132         [self release];
 133     }
 134 }
 135
 136 @end
 137
 138 long wxExecute(const wxString& command,
 139                 int sync,
 140                 wxProcess *handle)
 141 {
 142     NSTask* theTask = [[NSTask alloc] init];
 143
 144     if (handle && handle->IsRedirected())
 145     {
 146         NSPipe* theStdinPipe = [[NSPipe alloc] init];
 147         NSPipe* theStderrPipe = [[NSPipe alloc] init];
 148         NSPipe* theStdoutPipe = [[NSPipe alloc] init];
 149
 150         [theTask setStandardInput:theStdinPipe];
 151         [theTask setStandardError:theStderrPipe];
 152         [theTask setStandardOutput:theStdoutPipe];
 153
 154         handle->SetPipeStreams(new wxPipeInputStream(theStdoutPipe),
 155                                new wxPipeOutputStream(theStdinPipe),
 156                                new wxPipeInputStream(theStderrPipe) );
 157     }
 158
 159     NSArray* theQuoteArguments =
 160         [wxNSStringWithWxString(command) componentsSeparatedByString:@"\""];
 161
 162     NSMutableArray* theSeparatedArguments =
 163         [NSMutableArray arrayWithCapacity:10];
 164
 165     for (unsigned i = 0; i < [theQuoteArguments count]; ++i)
 166     {
 167         [theSeparatedArguments addObjectsFromArray:
 168             [[theQuoteArguments objectAtIndex:i] componentsSeparatedByString:@" "]
 169         ];
 170
 171         if(++i < [theQuoteArguments count])
 172             [theSeparatedArguments addObject:[theQuoteArguments objectAtIndex:i]];
 173     }
 174
 175     [theTask setLaunchPath:[theSeparatedArguments objectAtIndex:0]];
 176     [theTask setArguments:theSeparatedArguments];
 177     [theTask launch];
 178
 179     if(sync & wxEXEC_ASYNC)
 180     {
 181         [[wxTaskHandler alloc]init:handle
 182                               processIdentifier:[theTask processIdentifier]];
 183
 184         return 0;
 185     }
 186     else
 187     {
 188         [theTask waitUntilExit];
 189
 190         return [theTask terminationStatus];
 191     }
 192 }
 193 #endif //0
 194