savemii/include/string.hpp

21 lines
724 B
C++

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