savemii/include/string.hpp
2022-06-08 16:29:49 +02:00

20 lines
774 B
C++

#include "savemng.h"
#include <cstdarg>
#include <memory>
#include <stdexcept>
#include <string>
bool replace(std::string &str, const std::string &from, const std::string &to);
std::string decodeXMLEscapeLine(std::string xmlString);
template<typename ... Args>
std::string string_format( const std::string& format, Args ... args )
{
int size_s = std::snprintf( nullptr, 0, format.c_str(), args ... ) + 1; // Extra space for '\0'
if( size_s <= 0 ){ throw std::runtime_error( "Error during formatting." ); }
auto size = static_cast<size_t>( size_s );
std::unique_ptr<char[]> buf( new char[ size ] );
std::snprintf( buf.get(), size, format.c_str(), args ... );
return std::string( buf.get(), buf.get() + size - 1 ); // We don't want the '\0' inside
}