/*************************************************************************/
/*  text_file.cpp                                                        */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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/* 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:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/*************************************************************************/

#include "text_file.h"

#include "core/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;
}