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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#include "string.hpp"
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
#include <stdarg.h>
template<class T>
class Buffer
{
public:
explicit Buffer(size_t size) { msize = size; mbuf = new T[msize]; }
~Buffer() { if (mbuf) delete [] mbuf; }
T *get() { return mbuf; }
private:
Buffer();
size_t msize;
T *mbuf;
};
std::string util::string_format( const char *format, ... )
{
va_list args;
va_start( args, format );
size_t size = vsnprintf( NULL, 0, format, args ) + 1; // Extra space for '\0'
va_end( args );
Buffer<char> buf( size );
va_start( args, format );
vsnprintf( buf.get(), size, format, args );
va_end( args );
return std::string( buf.get(), size - 1 ); // We don't want the '\0' inside
}
// Licence : https://creativecommons.org/licenses/by-sa/4.0/legalcode
//https://stackoverflow.com/questions/216823/whats-the-best-way-to-trim-stdstring#217605
// trim from start
std::string &util::ltrim(std::string &s) {
s.erase(s.begin(), std::find_if(s.begin(), s.end(),
std::not1(std::ptr_fun<int, int>(std::isspace))));
return s;
}
// trim from end
std::string &util::rtrim(std::string &s) {
s.erase(std::find_if(s.rbegin(), s.rend(),
std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
return s;
}
// trim from both ends
std::string &util::trim(std::string &s) {
return util::ltrim(util::rtrim(s));
}