TerminalDelegate.m

   1 //
   2 //  TerminalDelegate.m
   3 //  RExecServer
   4 //
   5 //  Created by Byron Ellis on 7/3/07.
   6 //  Copyright 2007 __MyCompanyName__. All rights reserved.
   7 //
   8
   9 #import "TerminalDelegate.h"
  10 #import "RInterpreter.h"
  11 #import "RDevice.h"
  12 #import "DeviceWindowController.h"
  13 #include <R_ext/eventloop.h>
  14
  15 void Terminal_ProcessEvents(void) {
  16         NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  17         [NSApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined
  18                                                                         location:NSMakePoint(0,0)
  19                                                                          modifierFlags:0
  20                                                                          timestamp:0
  21                                                                          windowNumber:0
  22                                                                          context:nil
  23                                                                          subtype:1337
  24                                                                          data1:0
  25                                                                          data2:0] atStart:NO];
  26         [NSApp run];
  27         [pool release];
  28 }
  29
  30 @implementation TerminalDelegate
  31 - (id)init {
  32         if(nil == [super init]) return nil;
  33
  34         readerFn = NULL;
  35         writerFn = NULL;
  36         flushFn  = NULL;
  37
  38         readerCurMax = 0;
  39         readerBuffer = NULL;
  40
  41         return self;
  42 }
  43
  44 - (void)setReaderFunction:(R_READER_FN)fn {
  45         readerFn = fn;
  46 }
  47 - (void)setWriterFunction:(R_WRITER_FN)fn {
  48         writerFn = fn;
  49 }
  50 - (void)setFlushFunction:(R_FLUSH_FN)fn {
  51         flushFn = fn;
  52 }
  53
  54 - (void)didOpenDevice:(id)aDevice forInterpreter:(id)anInterpreter {
  55         if(YES == [aDevice canDrawInView]) {
  56                 DeviceWindowController *devCtrl = [[DeviceWindowController alloc] initWithWindowNibName:@"Device"];
  57                 [devCtrl setDevice:aDevice];
  58                 [[devCtrl window] makeKeyAndOrderFront:self];
  59         }
  60 }
  61
  62 - (void)didCloseDevice:(id)aDevice forInterpreter:(id)anInterpreter { }
  63
  64
  65 - (BOOL)shouldBufferOutputForInterpreter:(id)anInterpreter { return NO; }
  66 - (void)appendString:(NSString*)outputString ofType:(int)aType forInterpreter:(id)anInterpreter {
  67         writerFn((char*)[outputString UTF8String],[outputString length]);
  68 }
  69
  70 - (void)didFinishEvaluationForInterpreter:(id)anInterpreter {
  71 }
  72 - (void)didBeginEvaluationForInterpreter:(id)anInterpreter {
  73 }
  74 - (void)didBeginWaitingForInputWithMaximumLength:(int)bufferLength addToHistory:(BOOL)shouldAdd forInterpreter:(id)anInterpreter {
  75         if(readerCurMax < bufferLength) {
  76                 if(NULL != readerBuffer) free(readerBuffer);
  77                 readerBuffer = calloc(sizeof(unsigned char),bufferLength);
  78                 readerCurMax = bufferLength;
  79         }
  80         R_PolledEvents = Terminal_ProcessEvents;
  81         R_wait_usec    = 10000;
  82         memset(readerBuffer,0,sizeof(unsigned char)*readerCurMax);
  83         readerUsed     = readerFn("",readerBuffer,bufferLength,shouldAdd == YES ? 1 : 0);
  84         [anInterpreter evaluateInput:[NSString stringWithUTF8String:(char*)readerBuffer]];
  85 }
  86 - (void)didGetInputForInterpreter:(id)anInterpreter {
  87 }
  88 - (void)flushOutputForInterpreter:(id)anInterpreter {
  89 }
  90 - (void)didCloseInterpreter:(id)anInterpreter {
  91 }
  92
  93 @end