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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/* -*- mode: C++; tab-width: 4 -*- */
// ===========================================================================
// PPStream.h 1993-1998 Metrowerks Inc. All rights reserved.
// ===========================================================================
//
// Abstract class for reading/writing an ordered sequence of bytes
#ifndef _PPSTREAM_H_
#define _PPSTREAM_H_
#include "Byteswapping.h" // Canonical
#include "ErrorHandling.h" // ErrCode
// ---------------------------------------------------------------------------
enum StreamFromType {
kStreamFromStart = 1,
kStreamFromEnd,
kStreamFromMarker
};
// ---------------------------------------------------------------------------
class PPStream {
public:
PPStream();
virtual ~PPStream();
virtual void SetMarker(
uae_s32 inOffset,
StreamFromType inFromWhere);
virtual uae_s32 GetMarker() const;
virtual void SetLength(
uae_s32 inLength);
virtual uae_s32 GetLength() const;
Bool AtEnd() const
{
return GetMarker() >= GetLength();
}
// Write Operations
virtual ErrCode PutBytes(
const void *inBuffer,
uae_s32 ioByteCount);
PPStream& operator << (const char* inString)
{
WriteCString(inString);
return (*this);
}
PPStream& operator << (const string& inString)
{
WriteString(inString);
return (*this);
}
PPStream& operator << (uae_s8 inNum)
{
Canonical (inNum);
PutBytes(&inNum, sizeof(inNum));
return (*this);
}
PPStream& operator << (uae_u8 inNum)
{
Canonical (inNum);
PutBytes(&inNum, sizeof(inNum));
return (*this);
}
PPStream& operator << (char inChar)
{
Canonical (inChar);
PutBytes(&inChar, sizeof(inChar));
return (*this);
}
PPStream& operator << (uae_s16 inNum)
{
Canonical (inNum);
PutBytes(&inNum, sizeof(inNum));
return (*this);
}
PPStream& operator << (uae_u16 inNum)
{
Canonical (inNum);
PutBytes(&inNum, sizeof(inNum));
return (*this);
}
PPStream& operator << (uae_s32 inNum)
{
Canonical (inNum);
PutBytes(&inNum, sizeof(inNum));
return (*this);
}
PPStream& operator << (uae_u32 inNum)
{
Canonical (inNum);
PutBytes(&inNum, sizeof(inNum));
return (*this);
}
PPStream& operator << (bool inBool)
{
Canonical (inBool);
PutBytes(&inBool, sizeof(inBool));
return (*this);
}
// Read Operations
virtual ErrCode GetBytes(
void *outBuffer,
uae_s32 ioByteCount);
uae_s32 PeekData(
void *outButter,
uae_s32 inByteCount);
PPStream& operator >> (char* outString)
{
ReadCString(outString);
return (*this);
}
PPStream& operator >> (string& outString)
{
ReadString(outString);
return (*this);
}
PPStream& operator >> (uae_s8 &outNum)
{
GetBytes(&outNum, sizeof(outNum));
Canonical (outNum);
return (*this);
}
PPStream& operator >> (uae_u8 &outNum)
{
GetBytes(&outNum, sizeof(outNum));
Canonical (outNum);
return (*this);
}
PPStream& operator >> (char &outChar)
{
GetBytes(&outChar, sizeof(outChar));
Canonical (outChar);
return (*this);
}
PPStream& operator >> (uae_s16 &outNum)
{
GetBytes(&outNum, sizeof(outNum));
Canonical (outNum);
return (*this);
}
PPStream& operator >> (uae_u16 &outNum)
{
GetBytes(&outNum, sizeof(outNum));
Canonical (outNum);
return (*this);
}
PPStream& operator >> (uae_s32 &outNum)
{
GetBytes(&outNum, sizeof(outNum));
Canonical (outNum);
return (*this);
}
PPStream& operator >> (uae_u32 &outNum)
{
GetBytes(&outNum, sizeof(outNum));
Canonical (outNum);
return (*this);
}
PPStream& operator >> (bool &outBool)
{
GetBytes(&outBool, sizeof(outBool));
Canonical (outBool);
return (*this);
}
// Data-specific read/write functions
// There is an equivalent Shift operator for each one
// except WritePtr/ReadPtr (since Ptr is really a char*,
// which is the same as a C string).
uae_s32 WriteCString(
const char *inString);
uae_s32 ReadCString(
char* outString);
uae_s32 WriteString(
const string& inString);
uae_s32 ReadString(
string& outString);
protected:
uae_s32 mMarker;
uae_s32 mLength;
};
#endif
|
