snums

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_snums
#define tools_snums
 
#include "words"
#include "sto"
#include "forit"
 
namespace tools {
 
template <class T> //T must be numbers (not std::string).
inline bool snums(const std::string& a_string,
                  std::istringstream& a_iss,std::vector<std::string>& a_tmp,
                  const std::string& a_sep,
                  std::vector<T>& a_values,bool a_clear = true) {
  if(a_clear) a_values.clear();
  words(a_string,a_sep,false,a_tmp);
  T value;
  tools_vforcit(std::string,a_tmp,it) {
    a_iss.str(*it);
    a_iss.clear(); //IMPORTANT.
    a_iss >> value;
    if(a_iss.fail()) {a_values.clear();return false;}
    a_values.push_back(value);
  }
  return true;
}
 
template <class T> //T must be numbers (not std::string).
inline bool snums(const std::string& a_string,const std::string& a_sep,std::vector<T>& a_values,bool a_clear = true) {
  std::istringstream iss;
  std::vector<std::string> words;
  return snums(a_string,iss,words,a_sep,a_values,a_clear);
}
 
}
 
#endif