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<hr><h1>file.h</h1><a href="file_8h.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">#ifndef NL_FILE_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_FILE_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font>
00030
00031
00032
00033 <font class="keyword">namespace </font>NLMISC
00034 {
00035
00036 <font class="comment">// ======================================================================================================</font>
<a name="l00043"></a><a class="code" href="structNLMISC_1_1EFile.html">00043</a> <font class="comment"></font><font class="keyword">struct </font>EFile : <font class="keyword">public</font> EStream
00044 {
00045 <font class="keyword">public</font>:
<a name="l00046"></a><a class="code" href="structNLMISC_1_1EFile.html#a0">00046</a> <a class="code" href="structNLMISC_1_1EFile.html#a0">EFile</a> () : <a class="code" href="structNLMISC_1_1EStream.html#a0">EStream</a>( "Unknown <a class="code" href="cf__lexical_8cpp.html#a95">file</a> error" ) {}
<a name="l00047"></a><a class="code" href="structNLMISC_1_1EFile.html#a1">00047</a> <a class="code" href="structNLMISC_1_1EFile.html#a0">EFile</a> (<font class="keyword">const</font> std::string& filename) : <a class="code" href="structNLMISC_1_1EStream.html#a0">EStream</a>( "Unknown <a class="code" href="cf__lexical_8cpp.html#a95">file</a> error <a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a> '"+filename+"'" ) {}
00048 };
00049
<a name="l00050"></a><a class="code" href="structNLMISC_1_1EFileNotOpened.html">00050</a> <font class="keyword">struct </font>EFileNotOpened : <font class="keyword">public</font> EFile
00051 {
<a name="l00052"></a><a class="code" href="structNLMISC_1_1EFileNotOpened.html#a0">00052</a> <a class="code" href="structNLMISC_1_1EFileNotOpened.html#a0">EFileNotOpened</a>( <font class="keyword">const</font> std::string& filename ) : <a class="code" href="structNLMISC_1_1EFile.html#a0">EFile</a>( "File '"+filename+"' not opened" ) {}
00053 };
00054
<a name="l00055"></a><a class="code" href="structNLMISC_1_1EReadError.html">00055</a> <font class="keyword">struct </font>EReadError : <font class="keyword">public</font> EFile
00056 {
<a name="l00057"></a><a class="code" href="structNLMISC_1_1EReadError.html#a0">00057</a> <a class="code" href="structNLMISC_1_1EReadError.html#a0">EReadError</a>( <font class="keyword">const</font> std::string& filename ) : <a class="code" href="structNLMISC_1_1EFile.html#a0">EFile</a>( "Read error <a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a> <a class="code" href="cf__lexical_8cpp.html#a95">file</a> '" +filename+"' (End of <a class="code" href="cf__lexical_8cpp.html#a95">file</a>?)" ) {}
00058 };
00059
<a name="l00060"></a><a class="code" href="structNLMISC_1_1EWriteError.html">00060</a> <font class="keyword">struct </font>EWriteError : <font class="keyword">public</font> EFile
00061 {
<a name="l00062"></a><a class="code" href="structNLMISC_1_1EWriteError.html#a0">00062</a> <a class="code" href="structNLMISC_1_1EWriteError.html#a0">EWriteError</a>( <font class="keyword">const</font> std::string& filename ) : <a class="code" href="structNLMISC_1_1EFile.html#a0">EFile</a>( "Write Error <a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a> <a class="code" href="cf__lexical_8cpp.html#a95">file</a> '" +filename+"'" ) {}
00063 };
00064
00065
00066 <font class="comment">// ======================================================================================================</font>
<a name="l00073"></a><a class="code" href="classNLMISC_1_1CIFile.html">00073</a> <font class="comment"></font><font class="keyword">class </font>CIFile : <font class="keyword">public</font> IStream
00074 {
00075 <font class="keyword">public</font>: <font class="comment">// Basic Usage.</font>
00077 <font class="comment"> CIFile();</font>
00078 <a class="code" href="classNLMISC_1_1CIFile.html#a0">CIFile</a>(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> text=<font class="keyword">false</font>);
00079 <a class="code" href="classNLMISC_1_1CIFile.html#a2">~CIFile</a>();
00080
00082 <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#a3">open</a> (<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> text=<font class="keyword">false</font>);
00083
00085 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#a4">setCacheFileOnOpen</a> (<font class="keywordtype">bool</font> newState);
00086
00090 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#a5">allowBNPCacheFileOnOpen</a>(<font class="keywordtype">bool</font> newState);
00091
00093 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#a6">setAsyncLoading</a> (<font class="keywordtype">bool</font> newState);
00094
00095 <font class="keyword">public</font>: <font class="comment">// Advanced Usage.</font>
00097 <font class="comment"> void close();</font>
00099 <font class="comment"> void flush();</font>
00101 <font class="comment"> bool seek (sint32 offset, IStream::TSeekOrigin origin) throw(EStream);</font>
00103 <font class="comment"> sint32 getPos () throw(EStream);</font>
00104
00105 <font class="comment">// Imp the Name of the stream as the name of the file.</font>
00106 <font class="keyword">virtual</font> std::string <a class="code" href="classNLMISC_1_1CIFile.html#a11">getStreamName</a>() <font class="keyword">const</font>;
00107
00108 <font class="comment">// same function that in ifstream</font>
00109 <font class="comment">// return a string separated by \n or eof, used to parsing text file</font>
00110 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#a12">getline</a> (<font class="keywordtype">char</font> *buffer, uint32 bufferSize);
00111
00112 <font class="comment">// return the size of the file</font>
<a name="l00113"></a><a class="code" href="classNLMISC_1_1CIFile.html#a13">00113</a> uint32 <a class="code" href="classNLMISC_1_1CIFile.html#a13">getFileSize</a> () { <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>; }
00114
00115 <font class="comment">// return true if there s nothing more to read (same as ifstream)</font>
00116 <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#a14">eof</a> ();
00117
00118 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#a15">serialBuffer</a>(uint8 *buf, uint len)<font class="keywordflow">throw</font>(EReadError);
00119
00120 <font class="keyword">protected</font>:
00121 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#b0">serialBit</a>(<font class="keywordtype">bool</font> &bit) <font class="keywordflow">throw</font>(EReadError);
00122
00123 <font class="keyword">private</font>:
<a name="l00124"></a><a class="code" href="classNLMISC_1_1CIFile.html#o0">00124</a> FILE *<a class="code" href="classNLMISC_1_1CIFile.html#o0">_F</a>;
<a name="l00125"></a><a class="code" href="classNLMISC_1_1CIFile.html#o1">00125</a> std::string <a class="code" href="classNLMISC_1_1CIFile.html#o1">_FileName</a>;
00126
00127 <font class="comment">// Async</font>
00128 <font class="keyword">static</font> uint32 <a class="code" href="classNLMISC_1_1CIFile.html#r0">_NbBytesSerialized</a>;
00129 <font class="keyword">static</font> uint32 <a class="code" href="classNLMISC_1_1CIFile.html#r1">_NbBytesLoaded</a>;
<a name="l00130"></a><a class="code" href="classNLMISC_1_1CIFile.html#o2">00130</a> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#o2">_IsAsyncLoading</a>;
00131
00132 <font class="comment">// Cache </font>
<a name="l00133"></a><a class="code" href="classNLMISC_1_1CIFile.html#o3">00133</a> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#o3">_CacheFileOnOpen</a>;
<a name="l00134"></a><a class="code" href="classNLMISC_1_1CIFile.html#o4">00134</a> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#o4">_AllowBNPCacheFileOnOpen</a>;
<a name="l00135"></a><a class="code" href="classNLMISC_1_1CIFile.html#o5">00135</a> uint8 *<a class="code" href="classNLMISC_1_1CIFile.html#o5">_Cache</a>;
<a name="l00136"></a><a class="code" href="classNLMISC_1_1CIFile.html#o6">00136</a> sint32 <a class="code" href="classNLMISC_1_1CIFile.html#o6">_ReadPos</a>;
<a name="l00137"></a><a class="code" href="classNLMISC_1_1CIFile.html#o7">00137</a> uint32 <a class="code" href="classNLMISC_1_1CIFile.html#o7">_FileSize</a>;
00138
00139 <font class="comment">// Big file</font>
<a name="l00140"></a><a class="code" href="classNLMISC_1_1CIFile.html#o8">00140</a> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#o8">_AlwaysOpened</a>;
<a name="l00141"></a><a class="code" href="classNLMISC_1_1CIFile.html#o9">00141</a> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CIFile.html#o9">_IsInBigFile</a>;
<a name="l00142"></a><a class="code" href="classNLMISC_1_1CIFile.html#o10">00142</a> uint32 <a class="code" href="classNLMISC_1_1CIFile.html#o10">_BigFileOffset</a>;
00143
00144 <font class="comment">// Load async if needed in the cache.</font>
00145 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CIFile.html#c0">loadIntoCache</a>();
00146 };
00147
00148
00149 <font class="comment">// ======================================================================================================</font>
<a name="l00156"></a><a class="code" href="classNLMISC_1_1COFile.html">00156</a> <font class="comment"></font><font class="keyword">class </font>COFile : <font class="keyword">public</font> IStream
00157 {
00158 <font class="keyword">public</font>: <font class="comment">// Basic Usage.</font>
00160 <font class="comment"> COFile();</font>
00161 <a class="code" href="classNLMISC_1_1COFile.html#a0">COFile</a>(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> append=<font class="keyword">false</font>, <font class="keywordtype">bool</font> text=<font class="keyword">false</font>);
00162 <a class="code" href="classNLMISC_1_1COFile.html#a2">~COFile</a>();
00163
00165 <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1COFile.html#a3">open</a>(<font class="keyword">const</font> std::string &path, <font class="keywordtype">bool</font> append=<font class="keyword">false</font>, <font class="keywordtype">bool</font> text=<font class="keyword">false</font>);
00166
00167
00168 <font class="keyword">public</font>: <font class="comment">// Advanced Usage.</font>
00170 <font class="comment"> void close();</font>
00172 <font class="comment"> void flush();</font>
00174 <font class="comment"> bool seek (sint32 offset, IStream::TSeekOrigin origin) throw(EStream);</font>
00176 <font class="comment"> sint32 getPos () throw(EStream);</font>
00177
00178 <font class="comment">// Imp the Name of the stream as the name of the file.</font>
00179 <font class="keyword">virtual</font> std::string <a class="code" href="classNLMISC_1_1COFile.html#a8">getStreamName</a>() <font class="keyword">const</font>;
00180
00181 <font class="comment">// very useful to serialize string in text mode (without the size)</font>
00182 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1COFile.html#a9">serialBuffer</a>(uint8 *buf, uint len) <font class="keywordflow">throw</font>(EWriteError);
00183
00184 <font class="keyword">protected</font>:
00185 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1COFile.html#b0">serialBit</a>(<font class="keywordtype">bool</font> &bit) <font class="keywordflow">throw</font>(EWriteError);
00186
00187 <font class="keyword">private</font>:
<a name="l00188"></a><a class="code" href="classNLMISC_1_1COFile.html#o0">00188</a> FILE *<a class="code" href="classNLMISC_1_1COFile.html#o0">_F</a>;
<a name="l00189"></a><a class="code" href="classNLMISC_1_1COFile.html#o1">00189</a> std::string <a class="code" href="classNLMISC_1_1COFile.html#o1">_FileName</a>;
00190 };
00191
00192
00193 }
00194
00195
00196 <font class="preprocessor">#endif // NL_FILE_H</font>
00197 <font class="preprocessor"></font>
00198 <font class="comment">/* End of file.h */</font>
</pre></div>
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