139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
/*
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* Copyright (c) 2015, PHILIPPE TILLET. All rights reserved.
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*
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* This file is part of ISAAC.
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*
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* ISAAC is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef ISAAC_TOOLS_CPP_STRING_HPP
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#define ISAAC_TOOLS_CPP_STRING_HPP
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#include <string>
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#include <sstream>
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#include <vector>
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#include <iostream>
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namespace isaac
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{
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namespace tools
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{
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template<class T>
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inline typename std::enable_if<std::is_fundamental<T>::value, std::string>::type to_string ( T const t )
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{
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#if defined(ANDROID) || defined(__CYGWIN__)
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std::stringstream ss;
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ss << t;
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return ss.str();
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#else
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return std::to_string(t);
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#endif
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}
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template<class T>
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inline typename std::enable_if<!std::is_fundamental<T>::value, std::string>::type to_string ( T const t )
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{
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std::stringstream ss;
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ss << t;
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return ss.str();
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}
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inline std::vector<std::string> &split(const std::string &str, char delim, std::vector<std::string> &res)
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{
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std::stringstream ss(str);
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std::string item;
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while (std::getline(ss, item, delim)) {
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res.push_back(item);
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}
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return res;
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}
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inline std::vector<std::string> split(const std::string &str, char delim)
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{
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std::vector<std::string> res;
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split(str, delim, res);
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return res;
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}
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//
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template<class Iterator>
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inline std::string join(Iterator begin, Iterator end, std::string delimiter){
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std::string result;
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while(begin!=end){
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result += *begin;
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if(++begin!=end) result += delimiter;
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}
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return result;
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}
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template<class T>
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inline std::string join(T const & x, std::string const & delimiter)
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{
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return join(x.begin(), x.end(), delimiter);
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}
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//
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inline int find_and_replace(std::string & source, std::string const & find, std::string const & replace)
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{
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int num=0;
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size_t fLen = find.size();
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size_t rLen = replace.size();
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for (size_t pos=0; (pos=source.find(find, pos))!=std::string::npos; pos+=rLen)
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{
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num++;
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source.replace(pos, fLen, replace);
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}
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return num;
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}
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//
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inline std::vector<std::string> tokenize(std::string const & str,std::string const & delimiters)
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{
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std::vector<std::string> result;
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size_t to = 0;
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size_t from = str.find_first_not_of(delimiters, to);
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for(size_t i = to ; i < std::max(to+1,from); ++i) result.push_back(str.substr(i,1));
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do{
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to = str.find_first_of(delimiters, from + 1);
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result.push_back(str.substr(from, to - from));
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from = std::min(str.size(), str.find_first_not_of(delimiters, to + 1));
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for(size_t i = to ; i < std::max(to+1,from); ++i) result.push_back(str.substr(i,1));
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}while(to != std::string::npos);
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return result;
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}
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//
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inline void fast_append(char * & ptr, unsigned int val)
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{
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if (val==0)
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*ptr++='0';
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else
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while (val>0)
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{
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*ptr++= (char)('0' + (val % 10));
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val /= 10;
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}
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}
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}
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}
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#endif
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