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			325 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			325 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  config_file.cpp                                                      */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                      https://godotengine.org                          */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| 
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| #include "config_file.h"
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| 
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| #include "core/io/file_access_encrypted.h"
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| #include "core/os/keyboard.h"
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| #include "core/variant/variant_parser.h"
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| 
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| PackedStringArray ConfigFile::_get_sections() const {
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| 	List<String> s;
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| 	get_sections(&s);
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| 	PackedStringArray arr;
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| 	arr.resize(s.size());
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| 	int idx = 0;
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| 	for (const List<String>::Element *E = s.front(); E; E = E->next()) {
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| 		arr.set(idx++, E->get());
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| 	}
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| 
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| 	return arr;
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| }
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| 
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| PackedStringArray ConfigFile::_get_section_keys(const String &p_section) const {
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| 	List<String> s;
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| 	get_section_keys(p_section, &s);
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| 	PackedStringArray arr;
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| 	arr.resize(s.size());
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| 	int idx = 0;
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| 	for (const List<String>::Element *E = s.front(); E; E = E->next()) {
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| 		arr.set(idx++, E->get());
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| 	}
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| 
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| 	return arr;
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| }
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| 
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| void ConfigFile::set_value(const String &p_section, const String &p_key, const Variant &p_value) {
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| 	if (p_value.get_type() == Variant::NIL) {
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| 		//erase
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| 		if (!values.has(p_section)) {
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| 			return; // ?
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| 		}
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| 		values[p_section].erase(p_key);
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| 		if (values[p_section].is_empty()) {
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| 			values.erase(p_section);
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| 		}
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| 
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| 	} else {
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| 		if (!values.has(p_section)) {
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| 			values[p_section] = OrderedHashMap<String, Variant>();
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| 		}
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| 
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| 		values[p_section][p_key] = p_value;
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| 	}
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| }
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| 
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| Variant ConfigFile::get_value(const String &p_section, const String &p_key, Variant p_default) const {
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| 	if (!values.has(p_section) || !values[p_section].has(p_key)) {
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| 		ERR_FAIL_COND_V_MSG(p_default.get_type() == Variant::NIL, Variant(),
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| 				vformat("Couldn't find the given section \"%s\" and key \"%s\", and no default was given.", p_section, p_key));
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| 		return p_default;
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| 	}
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| 
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| 	return values[p_section][p_key];
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| }
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| 
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| bool ConfigFile::has_section(const String &p_section) const {
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| 	return values.has(p_section);
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| }
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| 
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| bool ConfigFile::has_section_key(const String &p_section, const String &p_key) const {
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| 	if (!values.has(p_section)) {
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| 		return false;
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| 	}
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| 	return values[p_section].has(p_key);
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| }
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| 
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| void ConfigFile::get_sections(List<String> *r_sections) const {
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| 	for (OrderedHashMap<String, OrderedHashMap<String, Variant>>::ConstElement E = values.front(); E; E = E.next()) {
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| 		r_sections->push_back(E.key());
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| 	}
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| }
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| 
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| void ConfigFile::get_section_keys(const String &p_section, List<String> *r_keys) const {
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| 	ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot get keys from nonexistent section \"%s\".", p_section));
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| 
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| 	for (OrderedHashMap<String, Variant>::ConstElement E = values[p_section].front(); E; E = E.next()) {
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| 		r_keys->push_back(E.key());
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| 	}
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| }
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| 
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| void ConfigFile::erase_section(const String &p_section) {
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| 	ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot erase nonexistent section \"%s\".", p_section));
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| 	values.erase(p_section);
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| }
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| 
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| void ConfigFile::erase_section_key(const String &p_section, const String &p_key) {
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| 	ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot erase key \"%s\" from nonexistent section \"%s\".", p_key, p_section));
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| 	ERR_FAIL_COND_MSG(!values[p_section].has(p_key), vformat("Cannot erase nonexistent key \"%s\" from section \"%s\".", p_key, p_section));
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| 
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| 	values[p_section].erase(p_key);
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| }
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| 
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| Error ConfigFile::save(const String &p_path) {
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| 	Error err;
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| 	FileAccess *file = FileAccess::open(p_path, FileAccess::WRITE, &err);
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| 
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| 	if (err) {
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| 		if (file) {
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| 			memdelete(file);
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| 		}
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| 		return err;
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| 	}
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| 
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| 	return _internal_save(file);
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| }
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| 
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| Error ConfigFile::save_encrypted(const String &p_path, const Vector<uint8_t> &p_key) {
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| 	Error err;
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| 	FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE, &err);
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| 
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| 	if (err) {
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| 		return err;
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| 	}
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| 
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| 	FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
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| 	err = fae->open_and_parse(f, p_key, FileAccessEncrypted::MODE_WRITE_AES256);
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| 	if (err) {
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| 		memdelete(fae);
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| 		memdelete(f);
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| 		return err;
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| 	}
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| 	return _internal_save(fae);
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| }
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| 
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| Error ConfigFile::save_encrypted_pass(const String &p_path, const String &p_pass) {
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| 	Error err;
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| 	FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE, &err);
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| 
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| 	if (err) {
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| 		return err;
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| 	}
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| 
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| 	FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
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| 	err = fae->open_and_parse_password(f, p_pass, FileAccessEncrypted::MODE_WRITE_AES256);
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| 	if (err) {
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| 		memdelete(fae);
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| 		memdelete(f);
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| 		return err;
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| 	}
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| 
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| 	return _internal_save(fae);
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| }
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| 
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| Error ConfigFile::_internal_save(FileAccess *file) {
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| 	for (OrderedHashMap<String, OrderedHashMap<String, Variant>>::Element E = values.front(); E; E = E.next()) {
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| 		if (E != values.front()) {
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| 			file->store_string("\n");
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| 		}
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| 		file->store_string("[" + E.key() + "]\n\n");
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| 
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| 		for (OrderedHashMap<String, Variant>::Element F = E.get().front(); F; F = F.next()) {
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| 			String vstr;
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| 			VariantWriter::write_to_string(F.get(), vstr);
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| 			file->store_string(F.key() + "=" + vstr + "\n");
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| 		}
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| 	}
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| 
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| 	memdelete(file);
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| 
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| 	return OK;
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| }
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| 
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| Error ConfigFile::load(const String &p_path) {
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| 	Error err;
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| 	FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
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| 
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| 	if (!f) {
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| 		return err;
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| 	}
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| 
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| 	return _internal_load(p_path, f);
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| }
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| 
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| Error ConfigFile::load_encrypted(const String &p_path, const Vector<uint8_t> &p_key) {
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| 	Error err;
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| 	FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
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| 
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| 	if (err) {
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| 		return err;
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| 	}
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| 
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| 	FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
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| 	err = fae->open_and_parse(f, p_key, FileAccessEncrypted::MODE_READ);
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| 	if (err) {
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| 		memdelete(fae);
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| 		memdelete(f);
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| 		return err;
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| 	}
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| 	return _internal_load(p_path, fae);
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| }
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| 
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| Error ConfigFile::load_encrypted_pass(const String &p_path, const String &p_pass) {
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| 	Error err;
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| 	FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
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| 
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| 	if (err) {
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| 		return err;
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| 	}
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| 
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| 	FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
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| 	err = fae->open_and_parse_password(f, p_pass, FileAccessEncrypted::MODE_READ);
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| 	if (err) {
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| 		memdelete(fae);
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| 		memdelete(f);
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| 		return err;
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| 	}
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| 
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| 	return _internal_load(p_path, fae);
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| }
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| 
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| Error ConfigFile::_internal_load(const String &p_path, FileAccess *f) {
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| 	VariantParser::StreamFile stream;
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| 	stream.f = f;
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| 
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| 	Error err = _parse(p_path, &stream);
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| 
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| 	memdelete(f);
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| 
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| 	return err;
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| }
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| 
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| Error ConfigFile::parse(const String &p_data) {
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| 	VariantParser::StreamString stream;
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| 	stream.s = p_data;
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| 	return _parse("<string>", &stream);
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| }
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| 
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| Error ConfigFile::_parse(const String &p_path, VariantParser::Stream *p_stream) {
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| 	String assign;
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| 	Variant value;
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| 	VariantParser::Tag next_tag;
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| 
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| 	int lines = 0;
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| 	String error_text;
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| 
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| 	String section;
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| 
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| 	while (true) {
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| 		assign = Variant();
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| 		next_tag.fields.clear();
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| 		next_tag.name = String();
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| 
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| 		Error err = VariantParser::parse_tag_assign_eof(p_stream, lines, error_text, next_tag, assign, value, nullptr, true);
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| 		if (err == ERR_FILE_EOF) {
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| 			return OK;
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| 		} else if (err != OK) {
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| 			ERR_PRINT(vformat("ConfigFile parse error at %s:%d: %s.", p_path, lines, error_text));
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| 			return err;
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| 		}
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| 
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| 		if (assign != String()) {
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| 			set_value(section, assign, value);
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| 		} else if (next_tag.name != String()) {
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| 			section = next_tag.name;
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| 		}
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| 	}
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| 
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| 	return OK;
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| }
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| 
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| void ConfigFile::clear() {
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| 	values.clear();
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| }
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| void ConfigFile::_bind_methods() {
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| 	ClassDB::bind_method(D_METHOD("set_value", "section", "key", "value"), &ConfigFile::set_value);
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| 	ClassDB::bind_method(D_METHOD("get_value", "section", "key", "default"), &ConfigFile::get_value, DEFVAL(Variant()));
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| 
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| 	ClassDB::bind_method(D_METHOD("has_section", "section"), &ConfigFile::has_section);
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| 	ClassDB::bind_method(D_METHOD("has_section_key", "section", "key"), &ConfigFile::has_section_key);
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| 
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| 	ClassDB::bind_method(D_METHOD("get_sections"), &ConfigFile::_get_sections);
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| 	ClassDB::bind_method(D_METHOD("get_section_keys", "section"), &ConfigFile::_get_section_keys);
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| 
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| 	ClassDB::bind_method(D_METHOD("erase_section", "section"), &ConfigFile::erase_section);
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| 	ClassDB::bind_method(D_METHOD("erase_section_key", "section", "key"), &ConfigFile::erase_section_key);
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| 
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| 	ClassDB::bind_method(D_METHOD("load", "path"), &ConfigFile::load);
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| 	ClassDB::bind_method(D_METHOD("parse", "data"), &ConfigFile::parse);
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| 	ClassDB::bind_method(D_METHOD("save", "path"), &ConfigFile::save);
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| 
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| 	ClassDB::bind_method(D_METHOD("load_encrypted", "path", "key"), &ConfigFile::load_encrypted);
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| 	ClassDB::bind_method(D_METHOD("load_encrypted_pass", "path", "password"), &ConfigFile::load_encrypted_pass);
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| 
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| 	ClassDB::bind_method(D_METHOD("save_encrypted", "path", "key"), &ConfigFile::save_encrypted);
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| 	ClassDB::bind_method(D_METHOD("save_encrypted_pass", "path", "password"), &ConfigFile::save_encrypted_pass);
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| 
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| 	ClassDB::bind_method(D_METHOD("clear"), &ConfigFile::clear);
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| }
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