Modelib: Fichier source de Utils.cpp

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# Utils.cpp

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    00001 /*
    00002     Copyright (c) 2005, Quentin Lequy and Romain Gaucher
    00003     All rights reserved.
    00004
    00005     Redistribution and use in source and binary forms, with or
    00006     without modification, are permitted provided that the following
    00007     conditions are met:
    00008
    00009         * Redistributions of source code must retain the above copyright
    00010           notice, this list of conditions and the following disclaimer.
    00011
    00012         * Redistributions in binary form must reproduce the above copyright
    00013           notice, this list of conditions and the following disclaimer in the
    00014           documentation and/or other materials provided with the distribution.
    00015
    00016         * Neither the name of Quentin Lequy or Romain Gaucher nor the names
    00017           of its contributors may be used to endorse or promote products
    00018           derived from this software without specific prior written permission.
    00019
    00020     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    00021     AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00022     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00023     ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    00024     LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    00025     DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    00026     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
    00027     AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    00028     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    00029     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00030 */
    00031
    00032 #include "Utils.h"
    00033 #include <string>
    00034 #include <vector>
    00035
    00036
    00037 namespace Modelib {
    00038
    00039 namespace Utils
    00040 {
    00041     using namespace std;
    00042
    00043     void Tokenize(const string& str, vector<string>& tokens, const string& delimiters)
    00044     {
    00045         // Skip delimiters at beginning.
    00046         string::size_type lastPos = str.find_first_not_of(delimiters, 0);
    00047         // Find first "non-delimiter".
    00048         string::size_type pos     = str.find_first_of(delimiters, lastPos);
    00049
    00050         while (string::npos != pos || string::npos != lastPos)
    00051         {
    00052             // Found a token, add it to the vector.
    00053             tokens.push_back(str.substr(lastPos, pos - lastPos));
    00054             // Skip delimiters.  Note the "not_of"
    00055             lastPos = str.find_first_not_of(delimiters, pos);
    00056             // Find next "non-delimiter"
    00057             pos = str.find_first_of(delimiters, lastPos);
    00058         }
    00059     }
    00060
    00061
    00069     string AvoidSpaces(string& s)
    00070     {
    00071         string t;
    00072         for(string::const_iterator iter = s.begin();iter!=s.end();++iter)
    00073             if (*iter != ' ' && *iter != '\t')
    00074                 t += *iter;
    00075         return t;
    00076     }
    00077
    00086     void Replace(string& where, const string& what, const string& by)
    00087     {
    00088         for (string::size_type  i  = where.find(what);
    00089                                 i != string::npos;
    00090                                 i  = where.find(what, i + by.size()))
    00091             where.replace(i, what.size(), by);
    00092     }
    00093
    00100     string toHTML(const string& str)
    00101     {
    00102         string ret(str);
    00103         Replace(ret, "<", "&lt;");
    00104         Replace(ret, ">", "&gt;");
    00105         return ret;
    00106     }
    00107
    00114     string toLATEX(const string& str)
    00115     {
    00116         string ret(str);
    00117         Replace(ret, "<=", "\\leq");
    00118         Replace(ret, ">=", "\\geq");
    00119         Replace(ret, "!=", "\\neq");
    00120         Replace(ret, "==", "=");
    00121         Replace(ret, "$", "");
    00122         return ret;
    00123     }
    00124
    00125
    00126 }
    00127
    00128
    00129 }