File: XADPPMdHandles.m

package info (click to toggle)
unar 1.10.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster
  • size: 20,844 kB
  • ctags: 7,130
  • sloc: ansic: 56,529; objc: 50,000; cpp: 4,075; makefile: 108; sh: 37; perl: 10
file content (176 lines) | stat: -rw-r--r-- 4,000 bytes parent folder | download | duplicates (3)
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
173
174
175
176
#import "XADPPMdHandles.h"
#import "XADException.h"




@implementation XADPPMdVariantGHandle

-(id)initWithHandle:(CSHandle *)handle maxOrder:(int)maxorder subAllocSize:(int)suballocsize
{
	return [self initWithHandle:handle length:CSHandleMaxLength maxOrder:maxorder subAllocSize:suballocsize];
}

-(id)initWithHandle:(CSHandle *)handle length:(off_t)length maxOrder:(int)maxorder subAllocSize:(int)suballocsize
{
	if((self=[super initWithInputBufferForHandle:handle length:length]))
	{
		alloc=CreateSubAllocatorVariantG(suballocsize);
		max=maxorder;
	}
	return self;
}

-(void)dealloc
{
	FreeSubAllocatorVariantG(alloc);
	[super dealloc];
}

-(void)resetByteStream
{
	if(!StartPPMdModelVariantG(&model,(PPMdReadFunction *)CSInputNextByte,input,&alloc->core,max,NO))
	{
		[XADException raiseDecrunchException];
	}
}

-(uint8_t)produceByteAtOffset:(off_t)pos
{
	int byte=NextPPMdVariantGByte(&model);
	if(byte==-1) CSByteStreamEOF(self);
	else if(byte==-2) { [XADException raiseDecrunchException]; return 0; }
	else return byte;
}

@end




@implementation XADPPMdVariantHHandle

-(id)initWithHandle:(CSHandle *)handle maxOrder:(int)maxorder subAllocSize:(int)suballocsize
{
	return [self initWithHandle:handle length:CSHandleMaxLength maxOrder:maxorder subAllocSize:suballocsize];
}

-(id)initWithHandle:(CSHandle *)handle length:(off_t)length maxOrder:(int)maxorder subAllocSize:(int)suballocsize
{
	if((self=[super initWithInputBufferForHandle:handle length:length]))
	{
		alloc=CreateSubAllocatorVariantH(suballocsize);
		max=maxorder;
	}
	return self;
}

-(void)dealloc
{
	FreeSubAllocatorVariantH(alloc);
	[super dealloc];
}

-(void)resetByteStream { StartPPMdModelVariantH(&model,(PPMdReadFunction *)CSInputNextByte,input,alloc,max,NO); }

-(uint8_t)produceByteAtOffset:(off_t)pos
{
	int byte=NextPPMdVariantHByte(&model);
	if(byte<0) CSByteStreamEOF(self);
	return byte;
}

@end




@implementation XADPPMdVariantIHandle

-(id)initWithHandle:(CSHandle *)handle maxOrder:(int)maxorder subAllocSize:(int)suballocsize modelRestorationMethod:(int)mrmethod
{
	return [self initWithHandle:handle length:CSHandleMaxLength maxOrder:maxorder subAllocSize:suballocsize modelRestorationMethod:mrmethod];
}

-(id)initWithHandle:(CSHandle *)handle length:(off_t)length maxOrder:(int)maxorder subAllocSize:(int)suballocsize modelRestorationMethod:(int)mrmethod
{
	if((self=[super initWithInputBufferForHandle:handle length:length]))
	{
		alloc=CreateSubAllocatorVariantI(suballocsize);
		max=maxorder;
		method=mrmethod;
	}
	return self;
}

-(void)dealloc
{
	FreeSubAllocatorVariantI(alloc);
	[super dealloc];
}

-(void)resetByteStream
{
	if(max<2) [XADException raiseNotSupportedException];
	StartPPMdModelVariantI(&model,(PPMdReadFunction *)CSInputNextByte,input,alloc,max,method);
}

-(uint8_t)produceByteAtOffset:(off_t)pos
{
	int byte=NextPPMdVariantIByte(&model);
	if(byte<0) CSByteStreamEOF(self);
	return byte;
}

@end




@implementation XADStuffItXBrimstoneHandle

-(id)initWithHandle:(CSHandle *)handle maxOrder:(int)maxorder subAllocSize:(int)suballocsize
{
	return [self initWithHandle:handle length:CSHandleMaxLength maxOrder:maxorder subAllocSize:suballocsize];
}

-(id)initWithHandle:(CSHandle *)handle length:(off_t)length maxOrder:(int)maxorder subAllocSize:(int)suballocsize
{
	if((self=[super initWithInputBufferForHandle:handle length:length]))
	{
		alloc=CreateSubAllocatorBrimstone(suballocsize);
		max=maxorder;
	}
	return self;
}

-(void)dealloc
{
	FreeSubAllocatorBrimstone(alloc);
	[super dealloc];
}

-(void)resetByteStream
{
	if(!StartPPMdModelVariantG(&model,(PPMdReadFunction *)CSInputNextByte,input,&alloc->core,max,YES))
	{
		[XADException raiseDecrunchException];
	}
}

-(uint8_t)produceByteAtOffset:(off_t)pos
{
	int byte=NextPPMdVariantGByte(&model);
	if(byte<0) CSByteStreamEOF(self);
	return byte;
}

@end



@implementation XAD7ZipPPMdHandle

-(void)resetByteStream { StartPPMdModelVariantH(&model,(PPMdReadFunction *)CSInputNextByte,input,alloc,max,YES); }

@end