godot/scene/resources/text_file.cpp

73 lines
3.1 KiB
C++

/*************************************************************************/
/* text_file.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "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) {
Vector<uint8_t> sourcef;
Error err;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V_MSG(err, err, "Cannot open TextFile '" + p_path + "'.");
uint64_t len = f->get_length();
sourcef.resize(len + 1);
uint8_t *w = sourcef.ptrw();
uint64_t r = f->get_buffer(w, len);
f->close();
memdelete(f);
ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
w[len] = 0;
String s;
ERR_FAIL_COND_V_MSG(s.parse_utf8((const char *)w), 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.");
text = s;
path = p_path;
return OK;
}