1 files changed, 110 insertions, 0 deletions
diff --git a/core/string/print_string.cpp b/core/string/print_string.cpp
new file mode 100644
index 0000000000..54de229471
--- /dev/null
+++ b/core/string/print_string.cpp
@@ -0,0 +1,110 @@
+/*************************************************************************/
+/*  print_string.cpp                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 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 "print_string.h"
+
+#include "core/os/os.h"
+
+#include <stdio.h>
+
+static PrintHandlerList *print_handler_list = nullptr;
+bool _print_line_enabled = true;
+bool _print_error_enabled = true;
+
+void add_print_handler(PrintHandlerList *p_handler) {
+	_global_lock();
+	p_handler->next = print_handler_list;
+	print_handler_list = p_handler;
+	_global_unlock();
+}
+
+void remove_print_handler(PrintHandlerList *p_handler) {
+	_global_lock();
+
+	PrintHandlerList *prev = nullptr;
+	PrintHandlerList *l = print_handler_list;
+
+	while (l) {
+		if (l == p_handler) {
+			if (prev) {
+				prev->next = l->next;
+			} else {
+				print_handler_list = l->next;
+			}
+			break;
+		}
+		prev = l;
+		l = l->next;
+	}
+	//OS::get_singleton()->print("print handler list is %p\n",print_handler_list);
+
+	_global_unlock();
+	ERR_FAIL_COND(l == nullptr);
+}
+
+void print_line(String p_string) {
+	if (!_print_line_enabled) {
+		return;
+	}
+
+	OS::get_singleton()->print("%s\n", p_string.utf8().get_data());
+
+	_global_lock();
+	PrintHandlerList *l = print_handler_list;
+	while (l) {
+		l->printfunc(l->userdata, p_string, false);
+		l = l->next;
+	}
+
+	_global_unlock();
+}
+
+void print_error(String p_string) {
+	if (!_print_error_enabled) {
+		return;
+	}
+
+	OS::get_singleton()->printerr("%s\n", p_string.utf8().get_data());
+
+	_global_lock();
+	PrintHandlerList *l = print_handler_list;
+	while (l) {
+		l->printfunc(l->userdata, p_string, true);
+		l = l->next;
+	}
+
+	_global_unlock();
+}
+
+void print_verbose(String p_string) {
+	if (OS::get_singleton()->is_stdout_verbose()) {
+		print_line(p_string);
+	}
+}