1 files changed, 128 insertions, 0 deletions
diff --git a/modules/mono/utils/string_utils.cpp b/modules/mono/utils/string_utils.cpp
new file mode 100644
index 0000000000..de1a60dbd1
--- /dev/null
+++ b/modules/mono/utils/string_utils.cpp
@@ -0,0 +1,128 @@
+/*************************************************************************/
+/*  string_utils.cpp                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* 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.                */
+/*************************************************************************/
+#include "string_utils.h"
+
+namespace {
+
+int sfind(const String &p_text, int p_from) {
+	if (p_from < 0)
+		return -1;
+
+	int src_len = 2;
+	int len = p_text.length();
+
+	if (src_len == 0 || len == 0)
+		return -1;
+
+	const CharType *src = p_text.c_str();
+
+	for (int i = p_from; i <= (len - src_len); i++) {
+		bool found = true;
+
+		for (int j = 0; j < src_len; j++) {
+			int read_pos = i + j;
+
+			if (read_pos >= len) {
+				ERR_PRINT("read_pos >= len");
+				return -1;
+			};
+
+			switch (j) {
+				case 0:
+					found = src[read_pos] == '%';
+					break;
+				case 1: {
+					CharType c = src[read_pos];
+					found = src[read_pos] == 's' || (c >= '0' || c <= '4');
+					break;
+				}
+				default:
+					found = false;
+			}
+
+			if (!found) {
+				break;
+			}
+		}
+
+		if (found)
+			return i;
+	}
+
+	return -1;
+}
+}
+
+String sformat(const String &p_text, const Variant &p1, const Variant &p2, const Variant &p3, const Variant &p4, const Variant &p5) {
+	if (p_text.length() < 2)
+		return p_text;
+
+	Array args;
+
+	if (p1.get_type() != Variant::NIL) {
+		args.push_back(p1);
+
+		if (p2.get_type() != Variant::NIL) {
+			args.push_back(p2);
+
+			if (p3.get_type() != Variant::NIL) {
+				args.push_back(p3);
+
+				if (p4.get_type() != Variant::NIL) {
+					args.push_back(p4);
+
+					if (p5.get_type() != Variant::NIL) {
+						args.push_back(p5);
+					}
+				}
+			}
+		}
+	}
+
+	String new_string;
+
+	int findex = 0;
+	int search_from = 0;
+	int result = 0;
+
+	while ((result = sfind(p_text, search_from)) >= 0) {
+		CharType c = p_text[result + 1];
+
+		int req_index = (c == 's' ? findex++ : c - '0');
+
+		new_string += p_text.substr(search_from, result - search_from);
+		new_string += args[req_index].operator String();
+		search_from = result + 2;
+	}
+
+	new_string += p_text.substr(search_from, p_text.length() - search_from);
+
+	return new_string;
+}