78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
|
|
* format.h
|
|
* Copyright (c) 2025 Christopher Herb
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <algorithm>
|
|
#include <cstdarg>
|
|
#include <iomanip>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
using namespace std;
|
|
|
|
namespace trnr {
|
|
|
|
// Formats a string (like printf) using a format string and variable arguments.
|
|
inline string format(const char* fmt, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
vector<char> buf(256);
|
|
int needed = vsnprintf(buf.data(), buf.size(), fmt, args);
|
|
va_end(args);
|
|
|
|
if (needed < 0) { return {}; }
|
|
if (static_cast<size_t>(needed) < buf.size()) { return string(buf.data(), needed); }
|
|
|
|
// Resize and try again if the buffer was too small
|
|
buf.resize(needed + 1);
|
|
va_start(args, fmt);
|
|
vsnprintf(buf.data(), buf.size(), fmt, args);
|
|
va_end(args);
|
|
|
|
return string(buf.data(), needed);
|
|
}
|
|
|
|
inline string float_to_string_trimmed(float value)
|
|
{
|
|
ostringstream out;
|
|
out << fixed << setprecision(2) << value;
|
|
string str = out.str();
|
|
|
|
// Remove trailing zeros
|
|
str.erase(str.find_last_not_of('0') + 1, string::npos);
|
|
// If the last character is a decimal point, remove it as well
|
|
if (!str.empty() && str.back() == '.') { str.pop_back(); }
|
|
return str;
|
|
}
|
|
|
|
inline string to_upper(string& str)
|
|
{
|
|
std::transform(str.begin(), str.end(), str.begin(),
|
|
[](unsigned char c) { return std::toupper(c); });
|
|
return str;
|
|
}
|
|
} // namespace trnr
|