1 /*************************************************************************/
2 /* text_file.cpp */
3 /*************************************************************************/
4 /* This file is part of: */
5 /* GODOT ENGINE */
6 /* https://godotengine.org */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
10 /* */
11 /* Permission is hereby granted, free of charge, to any person obtaining */
12 /* a copy of this software and associated documentation files (the */
13 /* "Software"), to deal in the Software without restriction, including */
14 /* without limitation the rights to use, copy, modify, merge, publish, */
15 /* distribute, sublicense, and/or sell copies of the Software, and to */
16 /* permit persons to whom the Software is furnished to do so, subject to */
17 /* the following conditions: */
18 /* */
19 /* The above copyright notice and this permission notice shall be */
20 /* included in all copies or substantial portions of the Software. */
21 /* */
22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29 /*************************************************************************/
30
31 #include "text_file.h"
32
33 #include "core/os/file_access.h"
34
has_text() const35 bool TextFile::has_text() const {
36 return text != "";
37 }
38
get_text() const39 String TextFile::get_text() const {
40 return text;
41 }
42
set_text(const String & p_code)43 void TextFile::set_text(const String &p_code) {
44 text = p_code;
45 }
46
reload_from_file()47 void TextFile::reload_from_file() {
48 load_text(path);
49 }
50
load_text(const String & p_path)51 Error TextFile::load_text(const String &p_path) {
52
53 PoolVector<uint8_t> sourcef;
54 Error err;
55 FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
56
57 ERR_FAIL_COND_V_MSG(err, err, "Cannot open TextFile '" + p_path + "'.");
58
59 int len = f->get_len();
60 sourcef.resize(len + 1);
61 PoolVector<uint8_t>::Write w = sourcef.write();
62 int r = f->get_buffer(w.ptr(), len);
63 f->close();
64 memdelete(f);
65 ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
66 w[len] = 0;
67
68 String s;
69 ERR_FAIL_COND_V_MSG(s.parse_utf8((const char *)w.ptr()), ERR_INVALID_DATA, "Script '" + p_path + "' contains invalid unicode (UTF-8), so it was not loaded. Please ensure that scripts are saved in valid UTF-8 unicode.");
70 text = s;
71 path = p_path;
72 return OK;
73 }
74