Shipwright/libultraship/libultraship/Utils.cpp

#include "Utils.h"
#include <cstring>
#include <algorithm>

#ifdef _MSC_VER
#define strdup _strdup
#endif

namespace Ship {
	namespace Math {
		float clamp(float d, float min, float max) {
			const float t = d < min ? min : d;
			return t > max ? max : t;
		}
	}

	std::vector<std::string> SplitText(const std::string text, char separator = ' ', bool keep_quotes = false) {
		std::vector<std::string> args;
		char* input = strdup(text.c_str());
		const size_t length = strlen(input);

		bool inQuotes = false;
		size_t count = 0, from = 0;

		for (size_t i = 0; i < length; i++) {
			if (input[i] == '"') {
				inQuotes = !inQuotes;
			}
			else if (input[i] == separator && !inQuotes) {
				size_t strlen = i - from;

				if (strlen > 0) {
					if (!keep_quotes && input[from] == '"' && input[i - 1] == '"') {
						from++; strlen -= 2;
					}

					char* tmp = new char[strlen + 1]();
					strncpy(tmp, &input[from], strlen);
					count++;
					args.emplace_back(tmp);
				}

				from = i + 1;
			}
		}

		if (from < length) {
			size_t strlen = length - from;

			if (!keep_quotes && input[from] == L'"' && input[length - 1] == L'"') {
				from++; strlen -= 2;
			}

			char* tmp = new char[strlen + 1]();
			strncpy(tmp, &input[from], strlen);
			count++;
			args.emplace_back(tmp);
		}

		return args;
	}

	std::string toLowerCase(std::string in) {
		std::string cpy(in);
		std::transform(cpy.begin(), cpy.end(), cpy.begin(), ::tolower);
		return cpy;
	}
}