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engines/crab/numstr.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#ifndef CRAB_NUMSTR_H
+#define CRAB_NUMSTR_H
+
+namespace Crab {
+
+template<typename T>
+inline Common::String numberToString(T number) {
+	return Common::String::format("%d", number);
+}
+
+template<>
+inline Common::String numberToString<float>(float number) {
+	return Common::String::format("%f", number);
+}
+
+template<typename T>
+inline T stringToNumber(char *text) {
+	int res = 0;
+	if (sscanf(text, "%d", &res) > 0)
+		return static_cast<T>(res); // static cast to deal with signed to unsigned conversions
+	return 0;
+}
+
+template<>
+inline float stringToNumber<float>(char *text) {
+	float res = 0.0f;
+	if (sscanf(text, "%f", &res) > 0)
+		return res;
+	return 0.0f;
+}
+
+template<>
+inline double stringToNumber<double>(char *text) {
+	double res = 0.0;
+	if (sscanf(text, "%lf", &res) > 0)
+		return res;
+	return 0.0;
+}
+
+template<typename T>
+T stringToNumber(const Common::String &text) {
+	return stringToNumber<T>(const_cast<char *>(text.c_str()));
+}
+
+template<typename T>
+void getPoint(T &v, Common::String &coords) {
+	int comma = coords.findFirstOf(',');
+
+	v._x = stringToNumber<int>(coords.substr(0, comma));
+	v._y = stringToNumber<int>(coords.substr(comma + 1));
+}
+
+} // End of namespace Crab
+
+#endif // CRAB_NUMSTR_H