Source/NetworkConnection.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2011, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "NetworkConnection.h"
  18
  19 // This is the private interface for the NetworkConnection class. This is shared
  20 // by the C++ NetworkCallbackController to communicate.
  21 @interface NetworkConnection (Private)
  22
  23 - (void)handleResponse:(NSXMLDocument*)response;
  24
  25 // Threadsafe wrappers for the delegate's methods.
  26 - (void)errorEncountered:(NSString*)error;
  27
  28 @end
  29
  30
  31 ////////////////////////////////////////////////////////////////////////////////
  32
  33 @implementation NetworkConnection
  34
  35 @synthesize port = port_;
  36 @synthesize connected = connected_;
  37 @synthesize delegate = delegate_;
  38
  39 - (id)initWithPort:(NSUInteger)aPort
  40 {
  41   if (self = [super initWithDelegate:self]) {
  42     port_ = aPort;
  43     _ideClient = self;
  44   }
  45   return self;
  46 }
  47
  48 /**
  49  * Kicks off the socket on another thread.
  50  */
  51 - (void)connect
  52 {
  53   [_ideClient connectOnPort:port_];
  54 }
  55
  56 - (void)close
  57 {
  58   [_ideClient disconnect];
  59 }
  60
  61 - (void)debuggerEngineConnected:(ProtocolClient*)client
  62 {
  63   if ([delegate_ respondsToSelector:@selector(connectionDidAccept:)])
  64     [delegate_ connectionDidAccept:self];
  65 }
  66
  67 - (void)debuggerEngineDisconnected:(ProtocolClient*)client
  68 {
  69   if ([delegate_ respondsToSelector:@selector(connectionDidClose:)])
  70     [delegate_ connectionDidClose:self];
  71 }
  72
  73 - (void)debuggerEngine:(ProtocolClient*)client receivedMessage:(NSXMLDocument*)message
  74 {
  75   [self handleResponse:message];
  76 }
  77
  78 - (void)dealloc
  79 {
  80   [_ideClient release];
  81   [super dealloc];
  82 }
  83
  84 /**
  85  * Given a file path, this returns a file:// URI and escapes any spaces for the
  86  * debugger engine.
  87  */
  88 - (NSString*)escapedURIPath:(NSString*)path
  89 {
  90   // Custon GDBp paths are fine.
  91   if ([[path substringToIndex:4] isEqualToString:@"gdbp"])
  92     return path;
  93
  94   // Create a temporary URL that will escape all the nasty characters.
  95   NSURL* url = [NSURL fileURLWithPath:path];
  96   NSString* urlString = [url absoluteString];
  97
  98   // Remove the host because this is a file:// URL;
  99   urlString = [urlString stringByReplacingOccurrencesOfString:[url host] withString:@""];
 100
 101   // Escape % for use in printf-style NSString formatters.
 102   urlString = [urlString stringByReplacingOccurrencesOfString:@"%" withString:@"%%"];
 103   return urlString;
 104 }
 105
 106 // Private /////////////////////////////////////////////////////////////////////
 107 #pragma mark Private
 108
 109 // Delegate Thread-Safe Wrappers ///////////////////////////////////////////////
 110
 111 /**
 112  * Receives errors from the SocketWrapper and updates the display
 113  */
 114 - (void)errorEncountered:(NSString*)error
 115 {
 116   if (![delegate_ respondsToSelector:@selector(errorEncountered:)])
 117     return;
 118   [delegate_ performSelectorOnMainThread:@selector(errorEncountered:)
 119                               withObject:error
 120                            waitUntilDone:NO];
 121 }
 122
 123 - (void)handleResponse:(NSXMLDocument*)response
 124 {
 125   // Check and see if there's an error.
 126   NSArray* error = [[response rootElement] elementsForName:@"error"];
 127   if ([error count] > 0) {
 128     NSLog(@"Xdebug error: %@", error);
 129     NSString* errorMessage = [[[[error objectAtIndex:0] children] objectAtIndex:0] stringValue];
 130     [self errorEncountered:errorMessage];
 131   }
 132
 133   if ([[[response rootElement] name] isEqualToString:@"init"]) {
 134     connected_ = YES;
 135     [delegate_ handleInitialResponse:response];
 136     return;
 137   }
 138
 139   if ([delegate_ respondsToSelector:@selector(handleResponse:)])
 140     [delegate_ handleResponse:response];
 141 }
 142
 143 @end