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<hr><h1>algo.cpp</h1><a href="algo_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="algo_8h.html">nel/misc/algo.h</a>"</font>
00029 <font class="preprocessor">#include <string></font>
00030
00031
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00033
00034
00035 <font class="keyword">namespace </font>NLMISC
00036 {
00037
00038
00039 <font class="comment">// ***************************************************************************</font>
00040 <font class="keywordtype">bool</font> <a class="code" href="namespaceNLMISC.html#a209">testWildCard</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *strIn, <font class="keyword">const</font> <font class="keywordtype">char</font> *wildCard)
00041 {
00042 <font class="comment">// run the 2 string in //el</font>
00043 <font class="keywordflow">while</font>(*wildCard!=0 && *strIn!=0)
00044 {
00045 <font class="comment">// if same char, continue.</font>
00046 <font class="keywordflow">if</font>(*wildCard==*strIn)
00047 {
00048 wildCard++;
00049 strIn++;
00050 }
00051 <font class="comment">// if wildCard is ?, continue</font>
00052 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(*wildCard==<font class="charliteral">'?'</font>)
00053 {
00054 wildCard++;
00055 strIn++;
00056 }
00057 <font class="comment">// if wildcard is *, recurs check.</font>
00058 <font class="keywordflow">else</font> <font class="keywordflow">if</font>(*wildCard==<font class="charliteral">'*'</font>)
00059 {
00060 wildCard++;
00061 <font class="comment">// if last *, its OK.</font>
00062 <font class="keywordflow">if</font>(*wildCard==0)
00063 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00064 <font class="comment">// else must check next strings.</font>
00065 <font class="keywordflow">else</font>
00066 {
00067 <font class="comment">// build the wilcard token. eg from "*pipo?", take "pipo"</font>
00068 string token;
00069 <font class="keywordflow">while</font>(*wildCard!=<font class="charliteral">'*'</font> && *wildCard!=<font class="charliteral">'?'</font> && *wildCard!=0)
00070 {
00071 token+= *wildCard;
00072 wildCard++;
00073 }
00074 <font class="comment">// if token size is empty, error</font>
00075 <font class="keywordflow">if</font>(token.empty())
00076 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00077
00078 <font class="comment">// in strIn, search all the occurence of token. For each solution, recurs test.</font>
00079 string sCopy= strIn;
00080 uint pos= sCopy.find(token, 0);
00081 <font class="keywordflow">while</font>(pos!=string::npos)
00082 {
00083 <font class="comment">// do a testWildCard test on the remaining string/wildCard</font>
00084 <font class="keywordflow">if</font>( <a class="code" href="namespaceNLMISC.html#a209">testWildCard</a>(strIn+pos+token.size(), wildCard) )
00085 <font class="comment">// if succeed, end</font>
00086 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00087 <font class="comment">// fails=> test with an other occurence of token in the string.</font>
00088 pos= sCopy.find(token, pos+1);
00089 }
00090
00091 <font class="comment">// if all failed, fail</font>
00092 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00093 }
00094 }
00095 <font class="comment">// else fail</font>
00096 <font class="keywordflow">else</font>
00097 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00098 }
00099
00100 <font class="comment">// If quit here because end Of 2 strs, OK.</font>
00101 <font class="keywordflow">if</font>(*wildCard==0 && *strIn==0)
00102 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00103 <font class="comment">// if quit here because wildCard=="*" and s="", OK too.</font>
00104 <font class="keywordflow">if</font>(*strIn==0 && wildCard[0]==<font class="charliteral">'*'</font> && wildCard[1]==0)
00105 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00106
00107 <font class="comment">/*</font>
00108 <font class="comment"> Else false:</font>
00109 <font class="comment"> It may be wildCard="?aez" and s="" => error</font>
00110 <font class="comment"> It may be wildCard="" and s="aer" => error</font>
00111 <font class="comment"> */</font>
00112 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00113 }
00114
00115
00116 <font class="comment">// ***************************************************************************</font>
00117 <font class="keywordtype">void</font> <a class="code" href="namespaceNLMISC.html#a210">splitString</a>(<font class="keyword">const</font> std::string &str, <font class="keyword">const</font> std::string &separator, std::vector<std::string> &retList)
00118 {
00119 sint pos=0;
00120 sint newPos=0;
00121 retList.clear();
00122 <font class="keywordflow">while</font>( (newPos= str.find(separator,pos)) != string::npos)
00123 {
00124 <font class="comment">// if not empty sub str. (skip repetition of separator )</font>
00125 <font class="keywordflow">if</font>(newPos-pos>0)
00126 retList.push_back(str.substr(pos, newPos-pos));
00127 <font class="comment">// skip token</font>
00128 pos= newPos+separator.size();
00129 }
00130 <font class="comment">// copy the last substr</font>
00131 <font class="keywordflow">if</font>( pos<(sint)str.size() )
00132 retList.push_back(str.substr(pos, str.size()-pos));
00133 }
00134
00135
00136 } <font class="comment">// NLMISC</font>
</pre></div>
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