Allow opening and editing of any utf_8 file in script editor

2 files changed, 132 insertions, 0 deletions

diff --git a/scene/resources/text_file.cpp b/scene/resources/text_file.cpp
new file mode 100644
index 0000000000..e2fe0adfc5
--- /dev/null
+++ b/scene/resources/text_file.cpp
@@ -0,0 +1,77 @@
+/*************************************************************************/
+/*  text_file.cpp                                                        */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 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 "text_file.h"
+
+#include "os/file_access.h"
+
+bool TextFile::has_text() const {
+	return text != "";
+}
+
+String TextFile::get_text() const {
+	return text;
+}
+
+void TextFile::set_text(const String &p_code) {
+	text = p_code;
+}
+
+void TextFile::reload_from_file() {
+	load_text(path);
+}
+
+Error TextFile::load_text(const String &p_path) {
+
+	PoolVector<uint8_t> sourcef;
+	Error err;
+	FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
+	if (err) {
+		ERR_FAIL_COND_V(err, err);
+	}
+
+	int len = f->get_len();
+	sourcef.resize(len + 1);
+	PoolVector<uint8_t>::Write w = sourcef.write();
+	int r = f->get_buffer(w.ptr(), len);
+	f->close();
+	memdelete(f);
+	ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
+	w[len] = 0;
+
+	String s;
+	if (s.parse_utf8((const char *)w.ptr())) {
+		ERR_EXPLAIN("Script '" + p_path + "' contains invalid unicode (utf-8), so it was not loaded. Please ensure that scripts are saved in valid utf-8 unicode.");
+		ERR_FAIL_V(ERR_INVALID_DATA);
+	}
+	text = s;
+	path = p_path;
+	return OK;
+}
diff --git a/scene/resources/text_file.h b/scene/resources/text_file.h
new file mode 100644
index 0000000000..40b648eebb
--- /dev/null
+++ b/scene/resources/text_file.h
@@ -0,0 +1,55 @@
+/*************************************************************************/
+/*  text_file.h                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 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.                */
+/*************************************************************************/
+
+#ifndef TEXTFILE_H
+#define TEXTFILE_H
+
+#include "io/resource_loader.h"
+#include "io/resource_saver.h"
+
+class TextFile : public Resource {
+
+	GDCLASS(TextFile, Resource)
+
+private:
+	String text;
+	String path;
+
+public:
+	virtual bool has_text() const;
+	virtual String get_text() const;
+	virtual void set_text(const String &p_code);
+	virtual void reload_from_file();
+
+	void set_file_path(const String &p_path) { path = p_path; }
+	Error load_text(const String &p_path);
+};
+
+#endif // TEXTFILE_H