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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
|
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>nevrax.org : docs</TITLE>
<LINK REL=stylesheet TYPE="text/css" HREF="/inc/css/nevrax.css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY MARGINHEIGHT="0" MARGINWIDTH="0">
<!-- uplinks -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=><b>Home</B></FONT></A> </TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.com><b>nevrax.com</B></FONT></A> </TD>
</TR>
</TABLE>
<!-- banner Nevrax -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%>
<TR><TD BGCOLOR="#000000" BACKGROUND="/inc/img/black_banner.jpg"><A HREF=""><IMG SRC="/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR>
</TABLE>
<!-- main table -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 height=100%>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!------ Begin Box ------>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0 cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black>
<FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td colspan=2 bgcolor=#FFFFFF>
<TABLE cellspacing=0 cellpadding=1 border=0>
<tr><td ALIGN=middle><a class='linkbox' href="/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="/news/" TITLE="News">News</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="/docs/" TITLE="Documentation">Documentation</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="/cvs/" TITLE="CVS Web">CVS</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="/GPL.php3" TITLE="License">License</a></td></tr>
</TABLE>
</TD></TR></TABLE></TD></TR></TABLE>
<!------ End Box ------>
</TD>
<TD WIDTH=15><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD ALIGN=left valign=top><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!-- title -->
<TABLE background="/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td>
<A HREF="/docs/"><img src="/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG SRC="/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
</td></tr></table>
<!-- block -->
<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="/inc/img/reddots.gif"></TD>
<TD><B>Documentation</B></TD>
<TD ALIGN=RIGHT> </td>
</tr></table>
<!-- Generated by Doxygen 1.2.14 -->
<center>
<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>bit_mem_stream.cpp</h1><a href="bit__mem__stream_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="bit__mem__stream_8h.html">nel/misc/bit_mem_stream.h</a>"</font>
00029
00030 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00031
00032
00033 <font class="keyword">namespace </font>NLMISC {
00034
00035
00036 <font class="comment">/*</font>
00037 <font class="comment"> * Constructor</font>
00038 <font class="comment"> */</font>
<a name="l00039"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#a0">00039</a> CBitMemStream::CBitMemStream( <font class="keywordtype">bool</font> inputStream, uint32 defaultcapacity ) :
00040 CMemStream( inputStream, false, defaultcapacity ),
00041 _FreeBits( 8 )
00042 {
00043 <a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>--;
00044 }
00045
00046
00047 <font class="comment">/*</font>
00048 <font class="comment"> * Copy constructor</font>
00049 <font class="comment"> */</font>
<a name="l00050"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#a1">00050</a> CBitMemStream::CBitMemStream( <font class="keyword">const</font> CBitMemStream& other ) :
00051 CMemStream( other ),
00052 _FreeBits( other._FreeBits )
00053 {
00054 }
00055
00056
00057 <font class="comment">/*</font>
00058 <font class="comment"> * Serialize a buffer</font>
00059 <font class="comment"> */</font>
<a name="l00060"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#a7">00060</a> <font class="keywordtype">void</font> CBitMemStream::serialBuffer( uint8 *buf, uint len )
00061 {
00062 uint i;
00063 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00064 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() )
00065 {
00066 <font class="keywordflow">for</font> ( i=0; i!=len; ++i )
00067 {
00068 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 8 );
00069 buf[i] = (uint8)<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00070 }
00071 }
00072 <font class="keywordflow">else</font>
00073 {
00074 <font class="keywordflow">for</font> ( i=0; i!=len; ++i )
00075 {
00076 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = (uint32)buf[i];
00077 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 8 );
00078 }
00079 }
00080 }
00081
00082
00083 <font class="comment">/*</font>
00084 <font class="comment"> * Serialize one bit</font>
00085 <font class="comment"> */</font>
<a name="l00086"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#a8">00086</a> <font class="keywordtype">void</font> CBitMemStream::serialBit( <font class="keywordtype">bool</font>& bit )
00087 {
00088 uint32 ubit=0;
00089 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() )
00090 {
00091 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( ubit, 1 );
00092 bit = ( ubit!=0 );
00093 }
00094 <font class="keywordflow">else</font>
00095 {
00096 ubit = bit;
00097 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( ubit, 1 );
00098 }
00099 }
00100
00101
00102 <font class="comment">//sint32 CBitMemStream::getPosInBit ()</font>
00103
00104
<a name="l00105"></a><a class="code" href="bit__mem__stream_8cpp.html#a0">00105</a> <font class="preprocessor">#define displayByteBits(a,b,c)</font>
00106 <font class="preprocessor"></font><font class="comment">/*void displayByteBits( uint8 b, uint nbits, sint beginpos )</font>
00107 <font class="comment">{</font>
00108 <font class="comment"> string s1, s2;</font>
00109 <font class="comment"> sint i;</font>
00110 <font class="comment"> for ( i=nbits-1; i!=-1; --i )</font>
00111 <font class="comment"> {</font>
00112 <font class="comment"> s1 += ( (b >> i) & 1 ) ? "1" : "0";</font>
00113 <font class="comment"> }</font>
00114 <font class="comment"> nlinfo( "%s", s1.c_str() );</font>
00115 <font class="comment"> for ( i=nbits; i>beginpos+1; --i )</font>
00116 <font class="comment"> {</font>
00117 <font class="comment"> s2 += " ";</font>
00118 <font class="comment"> }</font>
00119 <font class="comment"> s2 += "^";</font>
00120 <font class="comment"> nlinfo( "%s beginpos=%u", s2.c_str(), beginpos );</font>
00121 <font class="comment">}*/</font>
00122
00123
<a name="l00124"></a><a class="code" href="bit__mem__stream_8cpp.html#a1">00124</a> <font class="preprocessor">#define displayDwordBits(a,b,c)</font>
00125 <font class="preprocessor"></font><font class="comment">/*void displayDwordBits( uint32 b, uint nbits, sint beginpos )</font>
00126 <font class="comment">{</font>
00127 <font class="comment"> string s1, s2;</font>
00128 <font class="comment"> sint i;</font>
00129 <font class="comment"> for ( i=nbits-1; i!=-1; --i )</font>
00130 <font class="comment"> {</font>
00131 <font class="comment"> s1 += ( (b >> i) & 1 ) ? "1" : "0";</font>
00132 <font class="comment"> }</font>
00133 <font class="comment"> nlinfo( "%s", s1.c_str() );</font>
00134 <font class="comment"> for ( i=nbits; i>beginpos+1; --i )</font>
00135 <font class="comment"> {</font>
00136 <font class="comment"> s2 += " ";</font>
00137 <font class="comment"> }</font>
00138 <font class="comment"> s2 += "^";</font>
00139 <font class="comment"> nlinfo( "%s beginpos=%u", s2.c_str(), beginpos );</font>
00140 <font class="comment">}*/</font>
00141
00142
00143 <font class="comment">/*</font>
00144 <font class="comment"> * Serialize only the nbits lower bits of value</font>
00145 <font class="comment"> */</font>
<a name="l00146"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">00146</a> <font class="keywordtype">void</font> CBitMemStream::serial( uint32& <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, uint nbits, <font class="keywordtype">bool</font> resetvalue )
00147 {
00148 <font class="comment">//nlassert( (nbits <= 32) && (nbits != 0) );</font>
00149 <font class="keywordflow">if</font> (nbits>32 || nbits==0)
00150 <font class="keywordflow">throw</font> EMemStream (string(<font class="stringliteral">"trying to serial "</font>)+<a class="code" href="namespaceNLMISC.html#a243">toString</a>(nbits)+string(<font class="stringliteral">" %d bits"</font>));
00151
00152 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() )
00153 {
00154 <font class="comment">// Check that we don't read more than there is to read</font>
00155 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBitMemStream.html#a6">getPosInBit</a>() + nbits > <a class="code" href="classNLMISC_1_1CMemStream.html#b1">lengthR</a>() * 8)
00156 {
00157 <font class="keywordflow">throw</font> EStreamOverflow();
00158 }
00159
00160 <font class="keywordflow">if</font> ( resetvalue )
00161 {
00162 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> = 0;
00163 }
00164
00165 <font class="comment">// Clear high-order bits after _FreeBits</font>
00166 uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a> & ((1 << <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>) - 1);
00167
00168 <font class="keywordflow">if</font> ( nbits > <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> )
00169 {
00170 <font class="comment">//nldebug( "Reading byte %u from %u free bits (%u remaining bits)", lengthS(), _FreeBits, nbits );</font>
00171 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> |= (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> << (nbits-<a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>));
00172 ++<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>;
00173 uint readbits = <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>;
00174 <a class="code" href="bit__mem__stream_8cpp.html#a0">displayByteBits</a>( *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>, 8, readbits-1 );
00175 <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> = 8;
00176 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, nbits - readbits, <font class="keyword">false</font> ); <font class="comment">// read without resetting value</font>
00177 }
00178 <font class="keywordflow">else</font>
00179 {
00180 <font class="comment">//nlinfo( "Reading last byte %u from %u free bits (%u remaining bits)", lengthS(), _FreeBits, nbits );</font>
00181 <font class="comment">//displayByteBits( *_BufPos, 8, _FreeBits-1 );</font>
00182 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> |= (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> >> (<a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>-nbits));
00183 <a class="code" href="bit__mem__stream_8cpp.html#a0">displayByteBits</a>( *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>, 8, <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>-1 );
00184 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> == nbits )
00185 {
00186 <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> = 8;
00187 ++<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>;
00188 }
00189 <font class="keywordflow">else</font>
00190 {
00191 <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> -= nbits;
00192 }
00193 }
00194 }
00195 <font class="keywordflow">else</font>
00196 {
00197 <font class="comment">// Resize if necessary</font>
00198 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> == 8 ) <font class="comment">// _FreeBits is from 7 downto 1, then 8</font>
00199 {
00200 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a> == <a class="code" href="classNLMISC_1_1CMemStream.html#n0">_Buffer</a>.getPtr()+<a class="code" href="classNLMISC_1_1CMemStream.html#n0">_Buffer</a>.size() - 1)
00201 {
00202 <font class="comment">// need to resize</font>
00203 <a class="code" href="classNLMISC_1_1CMemStream.html#n0">_Buffer</a>.resize(<a class="code" href="classNLMISC_1_1CMemStream.html#n0">_Buffer</a>.size()*2+1);
00204 <a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a> = <a class="code" href="classNLMISC_1_1CMemStream.html#n0">_Buffer</a>.getPtr() + ((<a class="code" href="classNLMISC_1_1CMemStream.html#n0">_Buffer</a>.size()-1)/2);
00205 }
00206 <font class="keywordflow">else</font>
00207 {
00208 <a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>++;
00209 }
00210 <font class="comment">// _Buffer.push_back(0);</font>
00211 <font class="comment">// _BufPos = _Buffer.end() - 1;</font>
00212 *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a> = 0;
00213 }
00214
00215 <font class="comment">// Clear high-order bits after nbits</font>
00216 <font class="comment">//displayDwordBits( value, 32, nbits-1 );</font>
00217
00218 <font class="comment">//uint32 mask = (-1 >> (32-nbits)); // does not work</font>
00219 uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00220 <font class="keywordflow">if</font> ( nbits != 32 ) <font class="comment">// arg of shl/sal/shr/sal ranges from 0 to 31</font>
00221 {
00222 uint32 mask = (1 << nbits) - 1;
00223 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a> & mask;
00224 }
00225 <font class="keywordflow">else</font>
00226 {
00227 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>;
00228 }
00229
00230 <font class="comment">// Set</font>
00231 <font class="keywordflow">if</font> ( nbits > <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> )
00232 {
00233 <font class="comment">// Longer than the room in the current byte</font>
00234 <font class="comment">//nldebug( "Writing byte %u into %u free bits (%u remaining bits)", lengthS(), _FreeBits, nbits );</font>
00235 <a class="code" href="bit__mem__stream_8cpp.html#a1">displayDwordBits</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, 32, nbits-1 );
00236 *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a> |= (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> >> (nbits - <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>));
00237 uint filledbits = <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>;
00238 <a class="code" href="bit__mem__stream_8cpp.html#a0">displayByteBits</a>( *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>, 8, filledbits-1 );
00239 <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> = 8;
00240 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, nbits - filledbits );
00241 }
00242 <font class="keywordflow">else</font>
00243 {
00244 <font class="comment">// Shorter or equal</font>
00245 <font class="comment">//nldebug( "Writing last byte %u into %u free bits (%u remaining bits)", lengthS(), _FreeBits, nbits );</font>
00246 <a class="code" href="bit__mem__stream_8cpp.html#a0">displayByteBits</a>( *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>, 8, 7 );
00247 *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a> |= (<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a> << (<a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>-nbits));
00248 <a class="code" href="bit__mem__stream_8cpp.html#a0">displayByteBits</a>( *<a class="code" href="classNLMISC_1_1CMemStream.html#n1">_BufPos</a>, 8, <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>-1 );
00249 <a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a> = ((<a class="code" href="classNLMISC_1_1CBitMemStream.html#n0">_FreeBits</a>-1 - nbits) % 8) + 1; <font class="comment">// ((uint)-1) % 8 equals 7</font>
00250 }
00251
00252 }
00253
00254 }
00255
00256
00257 <font class="comment">/*</font>
00258 <font class="comment"> * Serial float</font>
00259 <font class="comment"> */</font>
<a name="l00260"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#z270_8">00260</a> <font class="keywordtype">void</font> CBitMemStream::serial(<font class="keywordtype">float</font> &b)
00261 {
00262 uint32 uf=0;
00263 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() )
00264 {
00265 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( uf );
00266 b = *(<font class="keywordtype">float</font>*)&uf;
00267 }
00268 <font class="keywordflow">else</font>
00269 {
00270 uf = *(uint32*)&b;
00271 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( uf );
00272 }
00273 }
00274
00275
00276 <font class="comment">/*</font>
00277 <font class="comment"> * Serial string</font>
00278 <font class="comment"> */</font>
<a name="l00279"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#z270_12">00279</a> <font class="keywordtype">void</font> CBitMemStream::serial(std::string &b)
00280 {
00281 uint32 len=0;
00282
00283 <font class="comment">// Serialize length</font>
00284 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() )
00285 {
00286 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( len );
00287 <font class="keywordflow">if</font> (len > <a class="code" href="classNLMISC_1_1CBitMemStream.html#a3">length</a>()-<a class="code" href="classNLMISC_1_1CMemStream.html#a8">getPos</a>())
00288 {
00289 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"string maximum length reached, perhaps invalid string size (%d)"</font>, len);
00290 <font class="keywordflow">throw</font> <a class="code" href="structNLMISC_1_1EInvalidDataStream.html">NLMISC::EInvalidDataStream</a>();
00291 }
00292 b.resize( len );
00293 }
00294 <font class="keywordflow">else</font>
00295 {
00296 len = b.size();
00297 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( len );
00298 }
00299
00300 <font class="comment">// Serialize buffer</font>
00301 <font class="keywordflow">if</font> ( len != 0 )
00302 {
00303 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a7">serialBuffer</a>( (uint8*)(&*b.begin()), len );
00304 }
00305 }
00306
00307 <font class="comment">/*</font>
00308 <font class="comment"> * Serial string</font>
00309 <font class="comment"> */</font>
<a name="l00310"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#z270_13">00310</a> <font class="keywordtype">void</font> CBitMemStream::serial(CBitMemStream &b)
00311 {
00312 uint32 len=0;
00313
00314 <font class="comment">// Serialize length</font>
00315 <font class="keywordflow">if</font> ( <a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>() )
00316 {
00317 <font class="comment">// fill b with data from this</font>
00318 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a> (len);
00319 <font class="keywordflow">if</font> (len > <a class="code" href="classNLMISC_1_1CBitMemStream.html#a3">length</a>()-<a class="code" href="classNLMISC_1_1CMemStream.html#a8">getPos</a>())
00320 {
00321 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"bitmemstream maximum length reached, perhaps invalid bitmemstream size (%d)"</font>, len);
00322 <font class="keywordflow">throw</font> <a class="code" href="structNLMISC_1_1EInvalidDataStream.html">NLMISC::EInvalidDataStream</a>();
00323 }
00324
00325 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a7">serialBuffer</a> (b.bufferToFill (len), len);
00326 b.resetBufPos ();
00327 }
00328 <font class="keywordflow">else</font>
00329 {
00330 <font class="comment">// fill this with data from b</font>
00331 len = b.length();
00332
00333 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>( len );
00334 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a7">serialBuffer</a>( (uint8*) b.buffer (), len );
00335 }
00336
00337 }
00338
00339 <font class="comment">/*</font>
00340 <font class="comment"> * Specialisation of serialCont() for vector<bool></font>
00341 <font class="comment"> */</font>
<a name="l00342"></a><a class="code" href="classNLMISC_1_1CBitMemStream.html#a21">00342</a> <font class="keywordtype">void</font> CBitMemStream::serialCont(std::vector<bool> &cont)
00343 {
00344 sint32 len=0;
00345 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1IStream.html#a4">isReading</a>())
00346 {
00347 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>(len);
00348 <font class="keywordflow">if</font> (len/8 > (sint32)(<a class="code" href="classNLMISC_1_1CBitMemStream.html#a3">length</a>()-<a class="code" href="classNLMISC_1_1CMemStream.html#a8">getPos</a>()))
00349 {
00350 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"stl container maximum length reached, perhaps invalid container size (%d)"</font>, len);
00351 <font class="keywordflow">throw</font> <a class="code" href="structNLMISC_1_1EInvalidDataStream.html">NLMISC::EInvalidDataStream</a>();
00352 }
00353 <font class="comment">// special version for vector: adjut good size.</font>
00354 <a class="code" href="namespaceNLMISC.html#a222">contReset</a>(cont);
00355 cont.reserve(len);
00356
00357 <font class="keywordflow">for</font>(sint i=0;i<len;i++)
00358 {
00359 <font class="keywordtype">bool</font> <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>;
00360 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a8">serialBit</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00361 cont.insert(cont.end(), <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00362 }
00363 }
00364 <font class="keywordflow">else</font>
00365 {
00366 len= cont.size();
00367 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a9">serial</a>(len);
00368
00369 std::vector<bool>::iterator it= cont.begin();
00370 <font class="keywordflow">for</font>(sint i=0;i<len;i++, it++)
00371 {
00372 <font class="keywordtype">bool</font> b = *it;
00373 <a class="code" href="classNLMISC_1_1CBitMemStream.html#a8">serialBit</a>( b );
00374 }
00375 }
00376 }
00377
00378
00379
00380 } <font class="comment">// NLMISC</font>
</pre></div>
<!-- footer -->
<BR><FONT Size=+5> </FONT>
</TD>
<TD WIDTH=15><IMG SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>
|
