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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>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> + +<!-- 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> |