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
|
<!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>big_file.cpp</h1><a href="big__file_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000, 2002 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="big__file_8h.html">nel/misc/big_file.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00030
00031 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00032
00033 <font class="keyword">namespace </font>NLMISC {
00034
<a name="l00035"></a><a class="code" href="classNLMISC_1_1CBigFile.html#r0">00035</a> CBigFile *CBigFile::_Singleton = NULL;
00036
00037
00038 <font class="comment">// ***************************************************************************</font>
<a name="l00039"></a><a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a0">00039</a> CBigFile::CThreadFileArray::CThreadFileArray()
00040 {
00041 <a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#o1">_CurrentId</a>= 0;
00042 }
00043 <font class="comment">// ***************************************************************************</font>
<a name="l00044"></a><a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a1">00044</a> uint32 CBigFile::CThreadFileArray::allocate()
00045 {
00046 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#o1">_CurrentId</a>++;
00047 }
00048 <font class="comment">// ***************************************************************************</font>
<a name="l00049"></a><a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a2">00049</a> CBigFile::CHandleFile &CBigFile::CThreadFileArray::get(uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)
00050 {
00051 <font class="comment">// If the thread struct ptr is NULL, must allocate it.</font>
00052 vector<CHandleFile> *ptr= (vector<CHandleFile>*)<a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#o0">_TDS</a>.getPointer();
00053 <font class="keywordflow">if</font>(ptr==NULL)
00054 {
00055 ptr= <font class="keyword">new</font> vector<CHandleFile>;
00056 <a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#o0">_TDS</a>.setPointer(ptr);
00057 }
00058
00059 <font class="comment">// if the vector is not allocated, allocate it (empty entries filled with NULL => not opened FILE* in this thread)</font>
00060 <font class="keywordflow">if</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>>=ptr->size())
00061 {
00062 ptr->resize(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>+1);
00063 }
00064
00065 <font class="keywordflow">return</font> (*ptr)[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>];
00066 }
00067
00068
00069 <font class="comment">// ***************************************************************************</font>
<a name="l00070"></a><a class="code" href="classNLMISC_1_1CBigFile.html#c0">00070</a> CBigFile::CBigFile ()
00071 {
00072 }
00073
00074 <font class="comment">// ***************************************************************************</font>
<a name="l00075"></a><a class="code" href="classNLMISC_1_1CBigFile.html#d0">00075</a> CBigFile &CBigFile::getInstance ()
00076 {
00077 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBigFile.html#r0">_Singleton</a> == NULL)
00078 {
00079 <a class="code" href="classNLMISC_1_1CBigFile.html#r0">_Singleton</a> = <font class="keyword">new</font> <a class="code" href="classNLMISC_1_1CBigFile.html#c0">CBigFile</a>();
00080 }
00081 <font class="keywordflow">return</font> *<a class="code" href="classNLMISC_1_1CBigFile.html#r0">_Singleton</a>;
00082 }
00083
00084 <font class="comment">// ***************************************************************************</font>
<a name="l00085"></a><a class="code" href="classNLMISC_1_1CBigFile.html#a0">00085</a> <font class="keywordtype">bool</font> CBigFile::add (<font class="keyword">const</font> std::string &sBigFileName, uint32 nOptions)
00086 {
00087 BNP bnpTmp;
00088
00089 bnpTmp.BigFileName= sBigFileName;
00090
00091 <font class="comment">// Is already the same bigfile name ?</font>
00092 string bigfilenamealone = CFile::getFilename (sBigFileName);
00093 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find(bigfilenamealone) != <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.end())
00094 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00095
00096 <font class="comment">// Allocate a new ThreadSafe FileId for this bnp.</font>
00097 bnpTmp.ThreadFileId= <a class="code" href="classNLMISC_1_1CBigFile.html#o0">_ThreadFileArray</a>.<a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a1">allocate</a>();
00098
00099 <font class="comment">// Get a ThreadSafe handle on the file</font>
00100 CHandleFile &handle= <a class="code" href="classNLMISC_1_1CBigFile.html#o0">_ThreadFileArray</a>.<a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a2">get</a>(bnpTmp.ThreadFileId);
00101 <font class="comment">// Open the big file.</font>
00102 handle.File = fopen (sBigFileName.c_str(), <font class="stringliteral">"rb"</font>);
00103 <font class="keywordflow">if</font> (handle.File == NULL)
00104 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00105 fseek (handle.File, 0, SEEK_END);
00106 uint32 nFileSize = ftell (handle.File);
00107 fseek (handle.File, nFileSize-4, SEEK_SET);
00108 uint32 nOffsetFromBegining;
00109 fread (&nOffsetFromBegining, <font class="keyword">sizeof</font>(uint32), 1, handle.File);
00110 fseek (handle.File, nOffsetFromBegining, SEEK_SET);
00111 uint32 nNbFile;
00112 fread (&nNbFile, <font class="keyword">sizeof</font>(uint32), 1, handle.File);
00113 <font class="keywordflow">for</font> (uint32 i = 0; i < nNbFile; ++i)
00114 {
00115 <font class="keywordtype">char</font> FileName[256];
00116 uint8 nStringSize;
00117 fread (&nStringSize, 1, 1, handle.File);
00118 fread (FileName, 1, nStringSize, handle.File);
00119 FileName[nStringSize] = 0;
00120 uint32 nFileSize;
00121 fread (&nFileSize, <font class="keyword">sizeof</font>(uint32), 1, handle.File);
00122 uint32 nFilePos;
00123 fread (&nFilePos, <font class="keyword">sizeof</font>(uint32), 1, handle.File);
00124 BNPFile bnpfTmp;
00125 bnpfTmp.Pos = nFilePos;
00126 bnpfTmp.Size = nFileSize;
00127 bnpTmp.Files.insert (make_pair(<a class="code" href="namespaceNLMISC.html#a229">strlwr</a>(string(FileName)), bnpfTmp));
00128 }
00129 fseek (handle.File, 0, SEEK_SET);
00130
00131 <font class="keywordflow">if</font> (nOptions&<a class="code" href="namespaceNLMISC.html#a1">BF_CACHE_FILE_ON_OPEN</a>)
00132 bnpTmp.CacheFileOnOpen = <font class="keyword">true</font>;
00133 <font class="keywordflow">else</font>
00134 bnpTmp.CacheFileOnOpen = <font class="keyword">false</font>;
00135
00136 <font class="keywordflow">if</font> (!(nOptions&<a class="code" href="namespaceNLMISC.html#a0">BF_ALWAYS_OPENED</a>))
00137 {
00138 fclose (handle.File);
00139 handle.File = NULL;
00140 bnpTmp.AlwaysOpened = <font class="keyword">false</font>;
00141 }
00142 <font class="keywordflow">else</font>
00143 {
00144 bnpTmp.AlwaysOpened = <font class="keyword">true</font>;
00145 }
00146
00147 <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.insert (make_pair(<a class="code" href="namespaceNLMISC.html#a229">strlwr</a>(bigfilenamealone), bnpTmp));
00148
00149 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00150 }
00151
00152 <font class="comment">// ***************************************************************************</font>
<a name="l00153"></a><a class="code" href="classNLMISC_1_1CBigFile.html#a1">00153</a> <font class="keywordtype">void</font> CBigFile::remove (<font class="keyword">const</font> std::string &sBigFileName)
00154 {
00155 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find (sBigFileName) != <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.end())
00156 {
00157 map<string, BNP>::iterator it = <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find (sBigFileName);
00158 BNP &rbnp = it->second;
00159 <font class="comment">/* \todo yoyo: THERE is a MAJOR drawback here: Only the FILE * of the current (surely main) thread</font>
00160 <font class="comment"> is closed. other FILE* in other threads are still opened. This is not a big issue (system close the FILE* </font>
00161 <font class="comment"> at the end of the process) and this is important so AsyncLoading of a currentTask can end up correclty </font>
00162 <font class="comment"> (without an intermediate fclose()).</font>
00163 <font class="comment"> */</font>
00164 <font class="comment">// Get a ThreadSafe handle on the file</font>
00165 CHandleFile &handle= <a class="code" href="classNLMISC_1_1CBigFile.html#o0">_ThreadFileArray</a>.<a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a2">get</a>(rbnp.ThreadFileId);
00166 <font class="comment">// close it if needed</font>
00167 <font class="keywordflow">if</font> (handle.File != NULL)
00168 {
00169 fclose (handle.File);
00170 handle.File= NULL;
00171 }
00172 <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.erase (it);
00173 }
00174 }
00175
00176 <font class="comment">// ***************************************************************************</font>
<a name="l00177"></a><a class="code" href="classNLMISC_1_1CBigFile.html#a2">00177</a> <font class="keywordtype">bool</font> CBigFile::isBigFileAdded(<font class="keyword">const</font> std::string &sBigFileName)
00178 {
00179 <font class="comment">// Is already the same bigfile name ?</font>
00180 string bigfilenamealone = CFile::getFilename (sBigFileName);
00181 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find(bigfilenamealone) != <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.end();
00182 }
00183
00184 <font class="comment">// ***************************************************************************</font>
<a name="l00185"></a><a class="code" href="classNLMISC_1_1CBigFile.html#a3">00185</a> <font class="keywordtype">void</font> CBigFile::list (<font class="keyword">const</font> std::string &sBigFileName, std::vector<std::string> &vAllFiles)
00186 {
00187 string lwrFileName = <a class="code" href="namespaceNLMISC.html#a229">strlwr</a> (sBigFileName);
00188 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find (lwrFileName) == <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.end())
00189 <font class="keywordflow">return</font>;
00190 vAllFiles.clear ();
00191 BNP &rbnp = <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find (lwrFileName)->second;
00192 map<string,BNPFile>::iterator it = rbnp.Files.begin();
00193 <font class="keywordflow">while</font> (it != rbnp.Files.end())
00194 {
00195 vAllFiles.push_back (it->first); <font class="comment">// Add the name of the file to the return vector</font>
00196 ++it;
00197 }
00198 }
00199
00200 <font class="comment">// ***************************************************************************</font>
<a name="l00201"></a><a class="code" href="classNLMISC_1_1CBigFile.html#a4">00201</a> <font class="keywordtype">void</font> CBigFile::removeAll ()
00202 {
00203 <font class="keywordflow">while</font> (<a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.begin() != <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.end())
00204 {
00205 <a class="code" href="classNLMISC_1_1CBigFile.html#a1">remove</a> (<a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.begin()->first);
00206 }
00207 }
00208
00209 <font class="comment">// ***************************************************************************</font>
<a name="l00210"></a><a class="code" href="classNLMISC_1_1CBigFile.html#a5">00210</a> FILE* CBigFile::getFile (<font class="keyword">const</font> std::string &sFileName, uint32 &rFileSize,
00211 uint32 &rBigFileOffset, <font class="keywordtype">bool</font> &rCacheFileOnOpen, <font class="keywordtype">bool</font> &rAlwaysOpened)
00212 {
00213 string zeFileName, zeBigFileName, lwrFileName = <a class="code" href="namespaceNLMISC.html#a229">strlwr</a> (sFileName);
00214 uint32 i, nPos = sFileName.find (<font class="charliteral">'@'</font>);
00215 <font class="keywordflow">if</font> (nPos == string::npos)
00216 {
00217 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"Couldn't load '%s'"</font>, sFileName.c_str());
00218 <font class="keywordflow">return</font> NULL;
00219 }
00220
00221 <font class="keywordflow">for</font> (i = 0; i < nPos; ++i)
00222 zeBigFileName += lwrFileName[i];
00223 ++i; <font class="comment">// Skip @</font>
00224 <font class="keywordflow">for</font> (; i < lwrFileName.size(); ++i)
00225 zeFileName += lwrFileName[i];
00226
00227 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find (zeBigFileName) == <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.end())
00228 {
00229 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"Couldn't load '%s'"</font>, sFileName.c_str());
00230 <font class="keywordflow">return</font> NULL;
00231 }
00232
00233 BNP &rbnp = <a class="code" href="classNLMISC_1_1CBigFile.html#o1">_BNPs</a>.find (zeBigFileName)->second;
00234 if (rbnp.Files.find (zeFileName) == rbnp.Files.end())
00235 {
00236 <a class="code" href="debug_8h.html#a2">nlwarning</a> (<font class="stringliteral">"Couldn't load '%s'"</font>, sFileName.c_str());
00237 <font class="keywordflow">return</font> NULL;
00238 }
00239
00240 BNPFile &rbnpfile = rbnp.Files.find (zeFileName)->second;
00241
00242 <font class="comment">// Get a ThreadSafe handle on the file</font>
00243 CHandleFile &handle= <a class="code" href="classNLMISC_1_1CBigFile.html#o0">_ThreadFileArray</a>.<a class="code" href="classNLMISC_1_1CBigFile_1_1CThreadFileArray.html#a2">get</a>(rbnp.ThreadFileId);
00244 <font class="comment">/* If not opened, open it now. There is 2 reason for it to be not opened: </font>
00245 <font class="comment"> rbnp.AlwaysOpened==false, or it is a new thread which use it for the first time.</font>
00246 <font class="comment"> */</font>
00247 <font class="keywordflow">if</font>(handle.File== NULL)
00248 {
00249 handle.File = fopen (rbnp.BigFileName.c_str(), <font class="stringliteral">"rb"</font>);
00250 <font class="keywordflow">if</font> (handle.File == NULL)
00251 <font class="keywordflow">return</font> NULL;
00252 }
00253
00254 rCacheFileOnOpen = rbnp.CacheFileOnOpen;
00255 rAlwaysOpened = rbnp.AlwaysOpened;
00256 rBigFileOffset = rbnpfile.Pos;
00257 rFileSize = rbnpfile.Size;
00258 <font class="keywordflow">return</font> handle.File;
00259 }
00260
00261 } <font class="comment">// namespace 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>
|
