File: LocalMessage.m

package info (click to toggle)
pantomime 1.0.2-0.1
  • links: PTS
  • area: main
  • in suites: woody
  • size: 2,036 kB
  • ctags: 325
  • sloc: objc: 11,397; ansic: 2,429; sh: 115; makefile: 70
file content (172 lines) | stat: -rw-r--r-- 4,156 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/*
**  LocalMessage.m
**
**  Copyright (c) 2001, 2002
**
**  Author: Ludovic Marcotte <ludovic@Sophos.ca>
**
**  This library is free software; you can redistribute it and/or
**  modify it under the terms of the GNU Lesser General Public
**  License as published by the Free Software Foundation; either
**  version 2.1 of the License, or (at your option) any later version.
**  
**  This library is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**  Lesser General Public License for more details.
**  
**  You should have received a copy of the GNU Lesser General Public
**  License along with this library; if not, write to the Free Software
**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#import <Pantomime/LocalMessage.h>

#import <Pantomime/Constants.h>
#import <Pantomime/LocalFolder.h>
#import <Pantomime/NSDataExtensions.h>

#import <string.h>

@implementation LocalMessage 

//
// NSCoding protocol
//
- (void) encodeWithCoder: (NSCoder *) theCoder
{
  //NSLog(@"Encoding LocalMessage...");
  [super encodeWithCoder: theCoder];
  
  [theCoder encodeObject: [NSNumber numberWithLong: [self filePosition]]];
  [theCoder encodeObject: [NSNumber numberWithLong: [self bodyFilePosition]]];
}

- (id) initWithCoder: (NSCoder *) theCoder
{ 
  self = [super initWithCoder: theCoder];
  
  //NSLog(@"Decoding LocalMessage...");

  [self setFilePosition: [[theCoder decodeObject] longValue]];
  [self setBodyFilePosition: [[theCoder decodeObject] longValue]];
  
  return self;
}

//
// access / mutation methods
//
- (long) filePosition
{
  return filePosition;
}

- (void) setFilePosition: (long) theFilePosition
{
  filePosition = theFilePosition;
}

- (long) bodyFilePosition
{
  return bodyFilePosition;
}

- (void) setBodyFilePosition: (long) theBodyFilePosition
{
  bodyFilePosition = theBodyFilePosition;
}

- (NSData *) rawSource
{
  NSMutableData *aMutableData;
  LocalFolder *aLocalFolder;
  char aLine[1024];

  FILE *aStream;
  long mark;

  aLocalFolder = (LocalFolder *)[self folder];
  aStream = [aLocalFolder stream];

  mark = ftell(aStream);

  if (fseek(aStream, [self filePosition], SEEK_SET) < 0)
    {
      NSLog( @"Seek operation failed!" );
      return nil;
    }

  // We initialize our mutable data and our buffer
  aMutableData = [[NSMutableData alloc] init];
  bzero(aLine, 1024);

  while( fgets(aLine, 1024, aStream) != NULL && 
	 ftell(aStream) < ([self filePosition] + [self size]) )
    {
      [aMutableData appendBytes: aLine  length: strlen(aLine) ];
      bzero(aLine, 1024);
    }

  fseek(aStream, mark, SEEK_SET);

  return AUTORELEASE(aMutableData);
}

//
// This method is called to initialize the message if it wasn't.
// If we set it to NO and we HAD a content, we release the content;
//
- (void) setInitialized: (BOOL) aBOOL
{
  [super setInitialized: aBOOL];

  if ( aBOOL )
    {
      NSMutableData *aMutableData;
      LocalFolder *aLocalFolder;
      FILE *aStream;
      char aLine[1024];
      
      int lengthOfBody;
      long mark;
      
      
      aLocalFolder = (LocalFolder *)[self folder];
      aStream = [aLocalFolder stream];
      
      mark = ftell(aStream);
      
      if (fseek(aStream, [self bodyFilePosition], SEEK_SET) < 0)
	{
	  NSLog( @"Seek operation failed!" );
	  [super setInitialized: NO];
	  return;
	}
     
      // We calculate the length of our body to make parsing faster
      lengthOfBody = ([self filePosition] + [self size] - [self bodyFilePosition]);
      aMutableData = [[NSMutableData alloc] initWithCapacity: lengthOfBody];
      
      bzero(aLine, 1024);
      while( fgets(aLine, 1024, aStream) != NULL && 
	     ftell(aStream) < ([self filePosition] + [self size]) )
	{
	  [aMutableData appendBytes: aLine  length: strlen(aLine) ];
	  bzero(aLine, 1024);
	}
      
      
      fseek(aStream, mark, SEEK_SET);
      
      [self setContentFromRawSource: aMutableData];
      RELEASE(aMutableData);
    }
  else
    {
      TEST_RELEASE(content);
      content = nil;
    }
}

@end