add to_upper function

util/format.h

@@ -1,23 +1,26 @@
 #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 std::string format(const char* fmt, ...)
+inline string format(const char* fmt, ...)
 {
 	va_list args;
 	va_start(args, fmt);
-	std::vector<char> buf(256);
+	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 std::string(buf.data(), needed); }
+	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);
@@ -25,19 +28,25 @@ inline std::string format(const char* fmt, ...)
 	vsnprintf(buf.data(), buf.size(), fmt, args);
 	va_end(args);
 
-	return std::string(buf.data(), needed);
+	return string(buf.data(), needed);
 }
 
-inline std::string float_to_string_trimmed(float value)
+inline string float_to_string_trimmed(float value)
 {
-	std::ostringstream out;
-	out << std::fixed << std::setprecision(2) << value;
-	std::string str = out.str();
+	ostringstream out;
+	out << fixed << setprecision(2) << value;
+	string str = out.str();
 
 	// Remove trailing zeros
-	str.erase(str.find_last_not_of('0') + 1, std::string::npos);
+	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;
 }
-} // namespace trnr
+
+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