src/lib/util/misc.cpp

   1 /*
   2  * boblight
   3  * Copyright (C) Bob  2009
   4  *
   5  * boblight is free software: you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * boblight is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <iostream>
  20 #include <locale.h>
  21 #include "misc.h"
  22
  23 using namespace std;
  24
  25 void PrintError(const std::string& error)
  26 {
  27   std::cerr << "ERROR: " << error << "\n";
  28 }
  29
  30 //get the first word (separated by whitespace) from string data and place that in word
  31 //then remove that word from string data
  32 bool GetWord(string& data, string& word)
  33 {
  34   stringstream datastream(data);
  35   string end;
  36
  37   datastream >> word;
  38   if (datastream.fail())
  39   {
  40     data.clear();
  41     return false;
  42   }
  43
  44   size_t pos = data.find(word) + word.length();
  45
  46   if (pos >= data.length())
  47   {
  48     data.clear();
  49     return true;
  50   }
  51
  52   data = data.substr(pos);
  53
  54   datastream.clear();
  55   datastream.str(data);
  56
  57   datastream >> end;
  58   if (datastream.fail())
  59     data.clear();
  60
  61   return true;
  62 }
  63
  64 //convert . or , to the current locale for correct conversion of ascii float
  65 void ConvertFloatLocale(std::string& strfloat)
  66 {
  67   static struct lconv* locale = localeconv();
  68
  69   size_t pos = strfloat.find_first_of(",.");
  70
  71   while (pos != string::npos)
  72   {
  73     strfloat.replace(pos, 1, 1, *locale->decimal_point);
  74     pos++;
  75
  76     if (pos >= strfloat.size())
  77       break;
  78
  79     pos = strfloat.find_first_of(",.", pos);
  80   }
  81 }