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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>eval_num_expr.h</h1><a href="eval__num__expr_8h.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 Network Services.</font> +00010 <font class="comment"> * NEVRAX NeL Network Services 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 Network Services 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 Network Services; 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_EVAL_NUM_EXPR_H</font> +00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_EVAL_NUM_EXPR_H</font> +00028 <font class="preprocessor"></font> +00029 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font> +00030 +00031 <font class="keyword">namespace </font>NLMISC +00032 { +00033 +<a name="l00037"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html">00037</a> <font class="keyword">class </font>CEvalNumExpr +00038 { +00039 <font class="keyword">public</font>: +<a name="l00040"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#a0">00040</a> <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#a0">~CEvalNumExpr</a>() {} +<a name="l00042"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">00042</a> <font class="keyword">enum</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> +00043 { +00044 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s0">NoError</a>, <font class="comment">// No error</font> +00045 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s1">UnkownValue</a>, <font class="comment">// Unkown value has been parsed</font> +00046 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s2">ValueError</a>, <font class="comment">// Error during user defined value evaluation</font> +00047 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s3">UnkownFunction</a>, <font class="comment">// Unkown function has been parsed</font> +00048 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s4">FunctionError</a>, <font class="comment">// Error during user defined function evaluation</font> +00049 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s5">NumberSyntaxError</a>, <font class="comment">// Syntax error in a number expression</font> +00050 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s6">UnkownOperator</a>, <font class="comment">// Unkown operator</font> +00051 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s7">MustBeOpen</a>, <font class="comment">// Should be a open parentesis</font> +00052 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s8">MustBeClose</a>, <font class="comment">// Should be a close parentesis</font> +00053 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s9">MustBeComa</a>, <font class="comment">// Should be a coma character</font> +00054 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s10">MustBeExpression</a>, <font class="comment">// Should be an expression</font> +00055 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s11">NotUnaryOperator</a>, <font class="comment">// Should not be an unary operator</font> +00056 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s12">MustBeEnd</a>, <font class="comment">// Should be the end</font> +00057 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s13">MustBeDoubleQuote</a>, <font class="comment">// Should be a double quote</font> +00058 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s14">ReturnValueCount</a> +00059 }; +00060 +00167 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#a1">evalExpression</a> (<font class="keyword">const</font> <font class="keywordtype">char</font> *expression, <font class="keywordtype">double</font> &result, <font class="keywordtype">int</font> *errorIndex, uint32 userData = 0); +00168 +00170 <font class="keyword">const</font> <font class="keywordtype">char</font>* <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#a2">getErrorString</a> (<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> state) <font class="keyword">const</font>; +00171 +00172 <font class="keyword">protected</font>: +00173 +00175 +00187 <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#b0">evalValue</a> (<font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>, <font class="keywordtype">double</font> &result, uint32 userData); +00188 +00203 <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#b1">evalFunction</a> (<font class="keyword">const</font> <font class="keywordtype">char</font> *funcName, <font class="keywordtype">double</font> arg0, <font class="keywordtype">double</font> &result); +00204 <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#b1">evalFunction</a> (<font class="keyword">const</font> <font class="keywordtype">char</font> *funcName, <font class="keywordtype">double</font> arg0, <font class="keywordtype">double</font> <a class="code" href="driver__opengl__extension__def_8h.html#a401">arg1</a>, <font class="keywordtype">double</font> &result); +00205 +00206 <font class="keyword">private</font>: +00207 +00209 +<a name="l00211"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64">00211</a> <font class="keyword">enum</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64">TToken</a> +00212 { +00213 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u0">Number</a>, <font class="comment">// This is a number</font> +00214 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u1">Function1</a>, <font class="comment">// This is a function with one argu</font> +00215 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u2">Function2</a>, <font class="comment">// This is a function with two argu</font> +00216 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u3">String</a>, <font class="comment">// This is a user string</font> +00217 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u4">Operator</a>, <font class="comment">// This is an operator</font> +00218 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u5">Open</a>, <font class="comment">// (</font> +00219 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u6">Close</a>, <font class="comment">// )</font> +00220 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u7">Coma</a>, <font class="comment">// ,</font> +00221 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64u8">End</a>, <font class="comment">// End of string</font> +00222 }; +00223 +00224 <font class="comment">// Operators</font> +<a name="l00225"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65">00225</a> <font class="keyword">enum</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65">TOperator</a> +00226 { +00227 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u9">Not</a> = 0, <font class="comment">// !</font> +00228 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u10">Tilde</a>, <font class="comment">// ~</font> +00229 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u11">Mul</a>, <font class="comment">// *</font> +00230 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u12">Div</a>, <font class="comment">// /</font> +00231 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u13">Remainder</a>, <font class="comment">// %</font> +00232 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u14">Plus</a>, <font class="comment">// +</font> +00233 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u15">Minus</a>, <font class="comment">// -</font> +00234 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u16">ULeftShift</a>, <font class="comment">// <<</font> +00235 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u17">URightShift</a>, <font class="comment">// >></font> +00236 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u18">SLeftShift</a>, <font class="comment">// <-</font> +00237 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u19">SRightShift</a>, <font class="comment">// -></font> +00238 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u20">Inferior</a>, <font class="comment">// <</font> +00239 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u21">InferiorEqual</a>, <font class="comment">// <=</font> +00240 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u22">Superior</a>, <font class="comment">// ></font> +00241 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u23">SuperiorEqual</a>, <font class="comment">// >=</font> +00242 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u24">Equal</a>, <font class="comment">// ==</font> +00243 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u25">NotEqual</a>, <font class="comment">// !=</font> +00244 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u26">And</a>, <font class="comment">// &</font> +00245 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u27">Or</a>, <font class="comment">// |</font> +00246 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u28">Xor</a>, <font class="comment">// ^</font> +00247 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u29">LogicalAnd</a>, <font class="comment">// &&</font> +00248 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u30">LogicalOr</a>, <font class="comment">// ||</font> +00249 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u31">LogicalXor</a>, <font class="comment">// ^^</font> +00250 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u32">OperatorCount</a>, <font class="comment">// </font> +00251 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u33">NotOperator</a>, <font class="comment">// This is not an operator</font> +00252 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65u34">ExtOperator</a>, <font class="comment">// This is a 2 charcters operator</font> +00253 }; +00254 +00255 <font class="comment">// Functions</font> +<a name="l00256"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66">00256</a> <font class="keyword">enum</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66">TReservedWord</a> +00257 { +00258 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u35">Abs</a> = 0, +00259 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u36">Acos</a>, +00260 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u37">Asin</a>, +00261 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u38">Atan</a>, +00262 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u39">Atan2</a>, +00263 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u40">Ceil</a>, +00264 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u41">Cos</a>, +00265 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u42">Cosh</a>, +00266 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u43">Exp</a>, +00267 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u44">Exponent</a>, +00268 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u45">Floor</a>, +00269 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u46">Int</a>, +00270 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u47">Log</a>, +00271 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u48">Log10</a>, +00272 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u49">Mantissa</a>, +00273 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u50">Max</a>, +00274 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u51">Min</a>, +00275 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u52">Pow</a>, +00276 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u53">Rand</a>, +00277 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u54">Round</a>, +00278 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u55">Sin</a>, +00279 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u56">Sinh</a>, +00280 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u57">Sq</a>, +00281 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u58">Sqrt</a>, +00282 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u59">Tan</a>, +00283 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u60">Tanh</a>, +00284 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u61">ReservedWordCount</a>, +00285 }; +00286 +00287 <font class="comment">// Some constant</font> +00288 <font class="keyword">enum</font> +00289 { +00290 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u67u62">InternalStringLen</a> = 32, +00291 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u67u63">InternalOperator</a> = 4, +00292 }; +00293 +<a name="l00295"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o0">00295</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o0">_State</a>; <font class="comment">// Current state</font> +<a name="l00296"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o1">00296</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o1">_ExprPtr</a>; <font class="comment">// Current pointer on the expression</font> +00297 +00299 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#c0">readDecimal</a> (<font class="keywordtype">double</font> &<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>); +00300 +00302 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#c1">readIntegerNumberDecimal</a> (<font class="keywordtype">double</font> &<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>); +00303 +00305 +00307 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#c2">getNextToken</a> (<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64">TToken</a> &token); +00308 +00310 <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15">TReturnState</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#a1">evalExpression</a> (<font class="keywordtype">double</font> &result, <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64">TToken</a> &nextToken, uint32 userData); +00311 +<a name="l00313"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o2">00313</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66">TReservedWord</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o2">_ReservedWordFound</a>; +00314 +<a name="l00316"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o3">00316</a> <font class="keywordtype">char</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o3">_InternalString</a>[<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u67u62">InternalStringLen</a>]; +<a name="l00317"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o4">00317</a> std::string <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o4">_InternalStlString</a>; +<a name="l00318"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o5">00318</a> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o5">_InternalStringPtr</a>; +00319 +<a name="l00321"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o6">00321</a> <font class="keywordtype">double</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o6">_Value</a>; +00322 +<a name="l00324"></a><a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o7">00324</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65">TOperator</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#o7">_Op</a>; +00325 +00327 +00329 <font class="keyword">static</font> <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u64">TToken</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#r0">_ReservedWordToken</a>[<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u61">ReservedWordCount</a>]; +00330 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#r1">_ReservedWord</a>[<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u66u61">ReservedWordCount</a>]; +00331 <font class="keyword">static</font> <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#u65">TOperator</a> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#r2">_OperatorArray</a>[128]; +00332 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#r3">_StringChar</a>[128]; +00333 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#r4">_ErrorString</a>[<a class="code" href="classNLMISC_1_1CEvalNumExpr.html#s15s14">ReturnValueCount</a>]; +00334 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">int</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#r5">_OperatorPrecedence</a>[]; +00335 +00336 <font class="keyword">public</font>: +00337 +00338 <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CEvalNumExpr.html#a3">internalCheck</a> (); +00339 }; +00340 +00341 } +00342 +00343 <font class="preprocessor">#endif // NL_EVAL_NUM_EXPR_H</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |