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
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
|
<!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='/'><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>file.cpp</h1><a href="file_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 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="file_8h.html">nel/misc/file.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="big__file_8h.html">nel/misc/big_file.h</a>"</font>
00031
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00033
00034 <font class="keyword">namespace </font>NLMISC
00035 {
00036
<a name="l00037"></a><a class="code" href="classNLMISC_1_1CIFile.html#r0">00037</a> uint32 CIFile::_NbBytesSerialized = 0;
<a name="l00038"></a><a class="code" href="classNLMISC_1_1CIFile.html#r1">00038</a> uint32 CIFile::_NbBytesLoaded = 0;
00039
00040 <font class="comment">// ======================================================================================================</font>
<a name="l00041"></a><a class="code" href="classNLMISC_1_1CIFile.html#a0">00041</a> CIFile::CIFile() : IStream(true)
00042 {
00043 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = NULL;
00044 <a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a> = NULL;
00045 <a class="code" href="classNLMISC_1_1CIFile.html#o6">_ReadPos</a> = 0;
00046 <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a> = 0;
00047 <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a> = 0;
00048 <a class="code" href="classNLMISC_1_1CIFile.html#o9">_IsInBigFile</a> = <font class="keyword">false</font>;
00049 <a class="code" href="classNLMISC_1_1CIFile.html#o3">_CacheFileOnOpen</a> = <font class="keyword">false</font>;
00050 <a class="code" href="classNLMISC_1_1CIFile.html#o2">_IsAsyncLoading</a> = <font class="keyword">false</font>;
00051 <a class="code" href="classNLMISC_1_1CIFile.html#o4">_AllowBNPCacheFileOnOpen</a>= <font class="keyword">true</font>;
00052 }
00053
00054 <font class="comment">// ======================================================================================================</font>
<a name="l00055"></a><a class="code" href="classNLMISC_1_1CIFile.html#a1">00055</a> CIFile::CIFile(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> text) : IStream(true)
00056 {
00057 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>=NULL;
00058 <a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a> = NULL;
00059 <a class="code" href="classNLMISC_1_1CIFile.html#o6">_ReadPos</a> = 0;
00060 <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a> = 0;
00061 <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a> = 0;
00062 <a class="code" href="classNLMISC_1_1CIFile.html#o9">_IsInBigFile</a> = <font class="keyword">false</font>;
00063 <a class="code" href="classNLMISC_1_1CIFile.html#o3">_CacheFileOnOpen</a> = <font class="keyword">false</font>;
00064 <a class="code" href="classNLMISC_1_1CIFile.html#o2">_IsAsyncLoading</a> = <font class="keyword">false</font>;
00065 <a class="code" href="classNLMISC_1_1CIFile.html#o4">_AllowBNPCacheFileOnOpen</a>= <font class="keyword">true</font>;
00066 <a class="code" href="classNLMISC_1_1CIFile.html#a3">open</a>(path, text);
00067 }
00068
00069 <font class="comment">// ======================================================================================================</font>
<a name="l00070"></a><a class="code" href="classNLMISC_1_1CIFile.html#a2">00070</a> CIFile::~CIFile()
00071 {
00072 <a class="code" href="classNLMISC_1_1CIFile.html#a7">close</a>();
00073 }
00074
00075
00076 <font class="comment">// ======================================================================================================</font>
<a name="l00077"></a><a class="code" href="classNLMISC_1_1CIFile.html#c0">00077</a> <font class="keywordtype">void</font> CIFile::loadIntoCache()
00078 {
00079 <font class="keyword">const</font> uint32 READPACKETSIZE = 64 * 1024;
00080 <font class="keyword">const</font> uint32 INTERPACKETSLEEP = 5;
00081
00082 <a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a> = <font class="keyword">new</font> uint8[<a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>];
00083 <font class="keywordflow">if</font>(!<a class="code" href="classNLMISC_1_1CIFile.html#o2">_IsAsyncLoading</a>)
00084 {
00085 fread (<a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a>, <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>, 1, <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00086 }
00087 <font class="keywordflow">else</font>
00088 {
00089 uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>= 0;
00090 <font class="keywordflow">while</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a><<a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>)
00091 {
00092 <font class="keywordflow">if</font>( <a class="code" href="classNLMISC_1_1CIFile.html#r1">_NbBytesLoaded</a> + (<a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>) > READPACKETSIZE )
00093 {
00094 sint n= READPACKETSIZE-<a class="code" href="classNLMISC_1_1CIFile.html#r1">_NbBytesLoaded</a>;
00095 n= max(n, 1);
00096 fread (<a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, n, 1, <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00097 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>+= n;
00098
00099 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (INTERPACKETSLEEP);
00100 <a class="code" href="classNLMISC_1_1CIFile.html#r1">_NbBytesLoaded</a>= 0;
00101 }
00102 <font class="keywordflow">else</font>
00103 {
00104 uint n= <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>-<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>;
00105 fread (<a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a>+<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, n, 1, <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00106 <a class="code" href="classNLMISC_1_1CIFile.html#r1">_NbBytesLoaded</a>+= n;
00107 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>+= n;
00108 }
00109 }
00110 }
00111 }
00112
00113
00114 <font class="comment">// ======================================================================================================</font>
<a name="l00115"></a><a class="code" href="classNLMISC_1_1CIFile.html#a3">00115</a> <font class="keywordtype">bool</font> CIFile::open(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> text)
00116 {
00117 <a class="code" href="classNLMISC_1_1CIFile.html#a7">close</a>();
00118
00119 <font class="comment">// can't open empty filename</font>
00120 <font class="keywordflow">if</font>(path.empty ())
00121 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00122
00123 <font class="keywordtype">char</font> mode[3];
00124 mode[0] = <font class="charliteral">'r'</font>;
00125 mode[1] = (text)?<font class="charliteral">'\0'</font>:<font class="charliteral">'b'</font>;
00126 mode[2] = <font class="charliteral">'\0'</font>;
00127
00128 <a class="code" href="classNLMISC_1_1CIFile.html#o1">_FileName</a> = path;
00129 <a class="code" href="classNLMISC_1_1CIFile.html#o6">_ReadPos</a> = 0;
00130
00131 <font class="comment">// Bigfile access requested ?</font>
00132 <font class="keywordflow">if</font> (path.find(<font class="charliteral">'@'</font>) != string::npos)
00133 {
00134 <a class="code" href="classNLMISC_1_1CIFile.html#o9">_IsInBigFile</a> = <font class="keyword">true</font>;
00135 <font class="keywordflow">if</font>(_AllowBNPCacheFileOnOpen)
00136 {
00137 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = CBigFile::getInstance().getFile (path, <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>, <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a>, <a class="code" href="classNLMISC_1_1CIFile.html#o3">_CacheFileOnOpen</a>, <a class="code" href="classNLMISC_1_1CIFile.html#o8">_AlwaysOpened</a>);
00138 }
00139 <font class="keywordflow">else</font>
00140 {
00141 <font class="keywordtype">bool</font> dummy;
00142 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = CBigFile::getInstance().getFile (path, <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>, <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a>, dummy, <a class="code" href="classNLMISC_1_1CIFile.html#o8">_AlwaysOpened</a>);
00143 }
00144 <font class="keywordflow">if</font>(<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> != NULL)
00145 {
00146 <font class="comment">// Start to load the bigfile at the file offset.</font>
00147 fseek (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>, <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a>, SEEK_SET);
00148
00149 <font class="comment">// Load into cache ?</font>
00150 <font class="keywordflow">if</font> (_CacheFileOnOpen)
00151 {
00152 <font class="comment">// load file in the cache</font>
00153 <a class="code" href="classNLMISC_1_1CIFile.html#c0">loadIntoCache</a>();
00154
00155 <font class="keywordflow">if</font> (!<a class="code" href="classNLMISC_1_1CIFile.html#o8">_AlwaysOpened</a>)
00156 {
00157 fclose (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00158 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = NULL;
00159 }
00160 <font class="keywordflow">return</font> (<a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a> != NULL);
00161 }
00162 }
00163 }
00164 <font class="keywordflow">else</font>
00165 {
00166 <a class="code" href="classNLMISC_1_1CIFile.html#o9">_IsInBigFile</a> = <font class="keyword">false</font>;
00167 <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a> = 0;
00168 <a class="code" href="classNLMISC_1_1CIFile.html#o8">_AlwaysOpened</a> = <font class="keyword">false</font>;
00169 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = fopen (path.c_str(), mode);
00170 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> != NULL)
00171 {
00172 fseek (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>, 0, SEEK_END);
00173 <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a> = ftell(<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00174 fseek (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>, 0, SEEK_SET);
00175 }
00176 <font class="keywordflow">else</font>
00177 {
00178 <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a> = 0;
00179 }
00180
00181 <font class="keywordflow">if</font> ((_CacheFileOnOpen) && (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> != NULL))
00182 {
00183 <font class="comment">// load file in the cache</font>
00184 <a class="code" href="classNLMISC_1_1CIFile.html#c0">loadIntoCache</a>();
00185
00186 fclose (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00187 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = NULL;
00188 <font class="keywordflow">return</font> (<a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a> != NULL);
00189 }
00190 }
00191
00192 <font class="keywordflow">return</font> (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> != NULL);
00193 }
00194
00195 <font class="comment">// ======================================================================================================</font>
<a name="l00196"></a><a class="code" href="classNLMISC_1_1CIFile.html#a4">00196</a> <font class="keywordtype">void</font> CIFile::setCacheFileOnOpen (<font class="keywordtype">bool</font> newState)
00197 {
00198 <a class="code" href="classNLMISC_1_1CIFile.html#o3">_CacheFileOnOpen</a> = newState;
00199 }
00200
00201 <font class="comment">// ======================================================================================================</font>
<a name="l00202"></a><a class="code" href="classNLMISC_1_1CIFile.html#a6">00202</a> <font class="keywordtype">void</font> CIFile::setAsyncLoading (<font class="keywordtype">bool</font> newState)
00203 {
00204 <a class="code" href="classNLMISC_1_1CIFile.html#o2">_IsAsyncLoading</a> = <font class="keyword">true</font>;
00205 }
00206
00207
00208 <font class="comment">// ======================================================================================================</font>
<a name="l00209"></a><a class="code" href="classNLMISC_1_1CIFile.html#a7">00209</a> <font class="keywordtype">void</font> CIFile::close()
00210 {
00211 <font class="keywordflow">if</font> (_CacheFileOnOpen)
00212 {
00213 <font class="keywordflow">if</font> (_Cache)
00214 {
00215 <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a>;
00216 <a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a> = NULL;
00217 }
00218 }
00219 <font class="keywordflow">else</font>
00220 {
00221 <font class="keywordflow">if</font> (_IsInBigFile)
00222 {
00223 <font class="keywordflow">if</font> (!<a class="code" href="classNLMISC_1_1CIFile.html#o8">_AlwaysOpened</a>)
00224 {
00225 <font class="keywordflow">if</font> (_F)
00226 {
00227 fclose (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00228 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = NULL;
00229 }
00230 }
00231 }
00232 <font class="keywordflow">else</font>
00233 {
00234 <font class="keywordflow">if</font> (_F)
00235 {
00236 fclose (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00237 <a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a> = NULL;
00238 }
00239 }
00240 }
00241 <a class="code" href="classNLMISC_1_1IStream.html#b7">resetPtrTable</a>();
00242 }
00243
00244 <font class="comment">// ======================================================================================================</font>
<a name="l00245"></a><a class="code" href="classNLMISC_1_1CIFile.html#a8">00245</a> <font class="keywordtype">void</font> CIFile::flush()
00246 {
00247 <font class="keywordflow">if</font> (_CacheFileOnOpen)
00248 {
00249 }
00250 <font class="keywordflow">else</font>
00251 {
00252 <font class="keywordflow">if</font> (_F)
00253 {
00254 fflush (<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>);
00255 }
00256 }
00257 }
00258
00259 <font class="comment">// ======================================================================================================</font>
<a name="l00260"></a><a class="code" href="classNLMISC_1_1CIFile.html#a12">00260</a> <font class="keywordtype">void</font> CIFile::getline (<font class="keywordtype">char</font> *buffer, uint32 bufferSize)
00261 {
00262 <font class="keywordflow">if</font> (bufferSize == 0)
00263 <font class="keywordflow">return</font>;
00264
00265 uint read = 0;
00266 <font class="keywordflow">while</font> (true)
00267 {
00268 <font class="keywordflow">if</font> (read == bufferSize -1)
00269 {
00270 *buffer = <font class="charliteral">'\0'</font>;
00271 <font class="keywordflow">return</font>;
00272 }
00273
00274 <font class="keywordflow">try</font>
00275 {
00276 <font class="comment">// read one byte</font>
00277 <a class="code" href="classNLMISC_1_1CIFile.html#a15">serialBuffer</a> ((uint8 *)buffer, 1);
00278 }
00279 <font class="keywordflow">catch</font> (EFile &)
00280 {
00281 *buffer = <font class="charliteral">'\0'</font>;
00282 <font class="keywordflow">return</font>;
00283 }
00284
00285 <font class="keywordflow">if</font> (*buffer == <font class="charliteral">'\n'</font>)
00286 {
00287 *buffer = <font class="charliteral">'\0'</font>;
00288 <font class="keywordflow">return</font>;
00289 }
00290
00291 <font class="comment">// skip '\r' char</font>
00292 <font class="keywordflow">if</font> (*buffer != <font class="charliteral">'\r'</font>)
00293 buffer++;
00294 }
00295
00296 }
00297
00298
00299 <font class="comment">// ======================================================================================================</font>
<a name="l00300"></a><a class="code" href="classNLMISC_1_1CIFile.html#a14">00300</a> <font class="keywordtype">bool</font> CIFile::eof ()
00301 {
00302 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CIFile.html#o6">_ReadPos</a> >= (sint32)<a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>;
00303 }
00304
00305 <font class="comment">// ======================================================================================================</font>
<a name="l00306"></a><a class="code" href="classNLMISC_1_1CIFile.html#a15">00306</a> <font class="keywordtype">void</font> CIFile::serialBuffer(uint8 *buf, uint len) <font class="keywordflow">throw</font>(EReadError)
00307 {
00308 <font class="comment">// Check the read pos</font>
00309 <font class="keywordflow">if</font> ((_ReadPos < 0) || ((_ReadPos+len) > _FileSize))
00310 <font class="keywordflow">throw</font> EReadError (_FileName);
00311 <font class="keywordflow">if</font> ((_CacheFileOnOpen) && (_Cache == NULL))
00312 <font class="keywordflow">throw</font> EFileNotOpened (_FileName);
00313 <font class="keywordflow">if</font> ((!_CacheFileOnOpen) && (_F == NULL))
00314 <font class="keywordflow">throw</font> EFileNotOpened (_FileName);
00315
00316 <font class="keywordflow">if</font> (_IsAsyncLoading)
00317 {
00318 _NbBytesSerialized += len;
00319 <font class="keywordflow">if</font> (_NbBytesSerialized > 64 * 1024)
00320 {
00321 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a> (5);
00322 _NbBytesSerialized = 0;
00323 }
00324 }
00325
00326 <font class="keywordflow">if</font> (_CacheFileOnOpen)
00327 {
00328 memcpy (buf, _Cache + _ReadPos, len);
00329 _ReadPos += len;
00330 }
00331 <font class="keywordflow">else</font>
00332 {
00333 <font class="keywordflow">if</font> (fread(buf, 1, len, _F) < len)
00334 <font class="keywordflow">throw</font> EReadError(_FileName);
00335 _ReadPos += len;
00336 }
00337 }
00338
00339 <font class="comment">// ======================================================================================================</font>
<a name="l00340"></a><a class="code" href="classNLMISC_1_1CIFile.html#b0">00340</a> <font class="keywordtype">void</font> CIFile::serialBit(<font class="keywordtype">bool</font> &bit) <font class="keywordflow">throw</font>(EReadError)
00341 {
00342 <font class="comment">// Simple for now.</font>
00343 uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>=bit;
00344 serialBuffer(&<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 1);
00345 bit=(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>!=0);
00346 }
00347
00348 <font class="comment">// ======================================================================================================</font>
<a name="l00349"></a><a class="code" href="classNLMISC_1_1CIFile.html#a9">00349</a> <font class="keywordtype">bool</font> CIFile::seek (sint32 <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>, IStream::TSeekOrigin origin) <font class="keywordflow">throw</font>(EStream)
00350 {
00351 <font class="keywordflow">if</font> ((_CacheFileOnOpen) && (_Cache == NULL))
00352 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00353 <font class="keywordflow">if</font> ((!_CacheFileOnOpen) && (_F == NULL))
00354 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00355
00356 <font class="keywordflow">switch</font> (origin)
00357 {
00358 <font class="keywordflow">case</font> IStream::begin:
00359 _ReadPos = <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>;
00360 <font class="keywordflow">break</font>;
00361 <font class="keywordflow">case</font> IStream::current:
00362 _ReadPos = _ReadPos + <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>;
00363 <font class="keywordflow">break</font>;
00364 <font class="keywordflow">case</font> IStream::end:
00365 _ReadPos = _FileSize + <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>;
00366 <font class="keywordflow">break</font>;
00367 <font class="keywordflow">default</font>:
00368 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00369 }
00370
00371 <font class="keywordflow">if</font> (_CacheFileOnOpen)
00372 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00373
00374 <font class="comment">// seek in the file. NB: if not in bigfile, _BigFileOffset==0.</font>
00375 <font class="keywordflow">if</font> (fseek(_F, _BigFileOffset+_ReadPos, SEEK_SET) != 0)
00376 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00377 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00378 }
00379
00380 <font class="comment">// ======================================================================================================</font>
<a name="l00381"></a><a class="code" href="classNLMISC_1_1CIFile.html#a10">00381</a> sint32 CIFile::getPos () <font class="keywordflow">throw</font>(EStream)
00382 {
00383 <font class="keywordflow">return</font> _ReadPos;
00384 }
00385
00386
00387 <font class="comment">// ======================================================================================================</font>
<a name="l00388"></a><a class="code" href="classNLMISC_1_1CIFile.html#a11">00388</a> std::string CIFile::getStreamName()<font class="keyword"> const</font>
00389 <font class="keyword"></font>{
00390 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CIFile.html#o1">_FileName</a>;
00391 }
00392
00393
00394 <font class="comment">// ======================================================================================================</font>
<a name="l00395"></a><a class="code" href="classNLMISC_1_1CIFile.html#a5">00395</a> <font class="keywordtype">void</font> CIFile::allowBNPCacheFileOnOpen(<font class="keywordtype">bool</font> newState)
00396 {
00397 <a class="code" href="classNLMISC_1_1CIFile.html#o4">_AllowBNPCacheFileOnOpen</a>= newState;
00398 }
00399
00400
00401 <font class="comment">// ======================================================================================================</font>
00402 <font class="comment">// ======================================================================================================</font>
00403 <font class="comment">// ======================================================================================================</font>
00404
00405
00406 <font class="comment">// ======================================================================================================</font>
<a name="l00407"></a><a class="code" href="classNLMISC_1_1COFile.html#a0">00407</a> COFile::COFile() : IStream(false)
00408 {
00409 <a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>=NULL;
00410 <a class="code" href="classNLMISC_1_1COFile.html#o1">_FileName</a> = <font class="stringliteral">""</font>;
00411 }
00412
00413 <font class="comment">// ======================================================================================================</font>
<a name="l00414"></a><a class="code" href="classNLMISC_1_1COFile.html#a1">00414</a> COFile::COFile(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> append, <font class="keywordtype">bool</font> text) : IStream(false)
00415 {
00416 <a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>=NULL;
00417 <a class="code" href="classNLMISC_1_1COFile.html#a3">open</a>(path, append, text);
00418 }
00419
00420 <font class="comment">// ======================================================================================================</font>
<a name="l00421"></a><a class="code" href="classNLMISC_1_1COFile.html#a2">00421</a> COFile::~COFile()
00422 {
00423 <a class="code" href="classNLMISC_1_1COFile.html#a4">close</a>();
00424 }
00425 <font class="comment">// ======================================================================================================</font>
<a name="l00426"></a><a class="code" href="classNLMISC_1_1COFile.html#a3">00426</a> <font class="keywordtype">bool</font> COFile::open(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> append, <font class="keywordtype">bool</font> text)
00427 {
00428 <a class="code" href="classNLMISC_1_1COFile.html#a4">close</a>();
00429
00430 <font class="comment">// can't open empty filename</font>
00431 <font class="keywordflow">if</font>(path.empty ())
00432 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00433
00434 <font class="keywordtype">char</font> mode[3];
00435 mode[0] = (append)?<font class="charliteral">'a'</font>:<font class="charliteral">'w'</font>;
00436 mode[1] = (text)?<font class="charliteral">'\0'</font>:<font class="charliteral">'b'</font>;
00437 mode[2] = <font class="charliteral">'\0'</font>;
00438
00439 <a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>=fopen(path.c_str(), mode);
00440 <a class="code" href="classNLMISC_1_1COFile.html#o1">_FileName</a> = path;
00441
00442 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>!=NULL;
00443 }
00444 <font class="comment">// ======================================================================================================</font>
<a name="l00445"></a><a class="code" href="classNLMISC_1_1COFile.html#a4">00445</a> <font class="keywordtype">void</font> COFile::close()
00446 {
00447 <font class="keywordflow">if</font>(_F)
00448 {
00449 fclose(<a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>);
00450 <a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>=NULL;
00451 }
00452 <a class="code" href="classNLMISC_1_1IStream.html#b7">resetPtrTable</a>();
00453 }
00454 <font class="comment">// ======================================================================================================</font>
<a name="l00455"></a><a class="code" href="classNLMISC_1_1COFile.html#a5">00455</a> <font class="keywordtype">void</font> COFile::flush()
00456 {
00457 <font class="keywordflow">if</font>(_F)
00458 {
00459 fflush(<a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>);
00460 }
00461 }
00462
00463
00464 <font class="comment">// ======================================================================================================</font>
<a name="l00465"></a><a class="code" href="classNLMISC_1_1COFile.html#a9">00465</a> <font class="keywordtype">void</font> COFile::serialBuffer(uint8 *buf, uint len) <font class="keywordflow">throw</font>(EWriteError)
00466 {
00467 <font class="keywordflow">if</font>(!_F)
00468 <font class="keywordflow">throw</font> EFileNotOpened(_FileName);
00469 <font class="keywordflow">if</font>(fwrite(buf, 1, len, _F) < len)
00470 <font class="keywordflow">throw</font> EWriteError(_FileName);
00471 }
00472 <font class="comment">// ======================================================================================================</font>
<a name="l00473"></a><a class="code" href="classNLMISC_1_1COFile.html#b0">00473</a> <font class="keywordtype">void</font> COFile::serialBit(<font class="keywordtype">bool</font> &bit) <font class="keywordflow">throw</font>(EWriteError)
00474 {
00475 <font class="comment">// Simple for now.</font>
00476 uint8 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>=bit;
00477 serialBuffer(&<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>, 1);
00478 }
00479 <font class="comment">// ======================================================================================================</font>
<a name="l00480"></a><a class="code" href="classNLMISC_1_1COFile.html#a6">00480</a> <font class="keywordtype">bool</font> COFile::seek (sint32 <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>, IStream::TSeekOrigin origin) <font class="keywordflow">throw</font>(EStream)
00481 {
00482 <font class="keywordflow">if</font> (_F)
00483 {
00484 <font class="keywordtype">int</font> origin_c = SEEK_SET;
00485 <font class="keywordflow">switch</font> (origin)
00486 {
00487 <font class="keywordflow">case</font> IStream::begin:
00488 origin_c=SEEK_SET;
00489 <font class="keywordflow">break</font>;
00490 <font class="keywordflow">case</font> IStream::current:
00491 origin_c=SEEK_CUR;
00492 <font class="keywordflow">break</font>;
00493 <font class="keywordflow">case</font> IStream::end:
00494 origin_c=SEEK_END;
00495 <font class="keywordflow">break</font>;
00496 <font class="keywordflow">default</font>:
00497 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00498 }
00499
00500 <font class="keywordflow">if</font> (fseek (_F, <a class="code" href="driver__opengl__extension__def_8h.html#a378">offset</a>, origin_c)!=0)
00501 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00502 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00503 }
00504 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00505 }
00506 <font class="comment">// ======================================================================================================</font>
<a name="l00507"></a><a class="code" href="classNLMISC_1_1COFile.html#a7">00507</a> sint32 COFile::getPos () <font class="keywordflow">throw</font>(EStream)
00508 {
00509 <font class="keywordflow">if</font> (_F)
00510 {
00511 <font class="keywordflow">return</font> ftell (_F);
00512 }
00513 <font class="keywordflow">return</font> 0;
00514 }
00515
00516 <font class="comment">// ======================================================================================================</font>
<a name="l00517"></a><a class="code" href="classNLMISC_1_1COFile.html#a8">00517</a> std::string COFile::getStreamName()<font class="keyword"> const</font>
00518 <font class="keyword"></font>{
00519 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1COFile.html#o1">_FileName</a>;
00520 }
00521
00522
00523 }
</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>
|
