1426cd3b3a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see". Backported from #70885.
571 lines
18 KiB
C++
571 lines
18 KiB
C++
/**************************************************************************/
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/* plist.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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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#include "plist.h"
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#include "modules/modules_enabled.gen.h" // For regex.
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#ifdef MODULE_REGEX_ENABLED
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Ref<PListNode> PListNode::new_array() {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_ARRAY;
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return node;
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}
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Ref<PListNode> PListNode::new_dict() {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_DICT;
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return node;
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}
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Ref<PListNode> PListNode::new_string(const String &p_string) {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_STRING;
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node->data_string = p_string.utf8();
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return node;
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}
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Ref<PListNode> PListNode::new_data(const String &p_string) {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_DATA;
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node->data_string = p_string.utf8();
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return node;
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}
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Ref<PListNode> PListNode::new_date(const String &p_string) {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_DATE;
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node->data_string = p_string.utf8();
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return node;
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}
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Ref<PListNode> PListNode::new_bool(bool p_bool) {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_BOOLEAN;
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node->data_bool = p_bool;
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return node;
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}
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Ref<PListNode> PListNode::new_int(int32_t p_int) {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_INTEGER;
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node->data_int = p_int;
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return node;
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}
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Ref<PListNode> PListNode::new_real(float p_real) {
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Ref<PListNode> node = memnew(PListNode());
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ERR_FAIL_COND_V(node.is_null(), Ref<PListNode>());
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node->data_type = PList::PLNodeType::PL_NODE_TYPE_REAL;
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node->data_real = p_real;
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return node;
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}
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bool PListNode::push_subnode(const Ref<PListNode> &p_node, const String &p_key) {
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ERR_FAIL_COND_V(p_node.is_null(), false);
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if (data_type == PList::PLNodeType::PL_NODE_TYPE_DICT) {
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ERR_FAIL_COND_V(p_key.empty(), false);
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ERR_FAIL_COND_V(data_dict.has(p_key), false);
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data_dict[p_key] = p_node;
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return true;
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} else if (data_type == PList::PLNodeType::PL_NODE_TYPE_ARRAY) {
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data_array.push_back(p_node);
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return true;
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} else {
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ERR_FAIL_V_MSG(false, "PList: Invalid parent node type, should be DICT or ARRAY.");
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}
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}
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size_t PListNode::get_asn1_size(uint8_t p_len_octets) const {
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// Get size of all data, excluding type and size information.
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switch (data_type) {
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case PList::PLNodeType::PL_NODE_TYPE_NIL: {
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return 0;
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DATA:
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case PList::PLNodeType::PL_NODE_TYPE_DATE: {
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ERR_FAIL_V_MSG(0, "PList: DATE and DATA nodes are not supported by ASN.1 serialization.");
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_STRING: {
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return data_string.length();
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_BOOLEAN: {
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return 1;
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_INTEGER:
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case PList::PLNodeType::PL_NODE_TYPE_REAL: {
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return 4;
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_ARRAY: {
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size_t size = 0;
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for (int i = 0; i < data_array.size(); i++) {
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size += 1 + _asn1_size_len(p_len_octets) + data_array[i]->get_asn1_size(p_len_octets);
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}
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return size;
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DICT: {
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size_t size = 0;
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for (const Map<String, Ref<PListNode>>::Element *it = data_dict.front(); it; it = it->next()) {
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size += 1 + _asn1_size_len(p_len_octets); // Sequence.
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size += 1 + _asn1_size_len(p_len_octets) + it->key().utf8().length(); //Key.
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size += 1 + _asn1_size_len(p_len_octets) + it->value()->get_asn1_size(p_len_octets); // Value.
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}
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return size;
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} break;
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default: {
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return 0;
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} break;
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}
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}
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int PListNode::_asn1_size_len(uint8_t p_len_octets) {
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if (p_len_octets > 1) {
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return p_len_octets + 1;
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} else {
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return 1;
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}
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}
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void PListNode::store_asn1_size(PoolByteArray &p_stream, uint8_t p_len_octets) const {
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uint32_t size = get_asn1_size(p_len_octets);
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if (p_len_octets > 1) {
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p_stream.push_back(0x80 + p_len_octets);
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}
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for (int i = p_len_octets - 1; i >= 0; i--) {
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uint8_t x = (size >> i * 8) & 0xFF;
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p_stream.push_back(x);
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}
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}
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bool PListNode::store_asn1(PoolByteArray &p_stream, uint8_t p_len_octets) const {
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// Convert to binary ASN1 stream.
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bool valid = true;
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switch (data_type) {
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case PList::PLNodeType::PL_NODE_TYPE_NIL: {
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// Nothing to store.
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DATE:
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case PList::PLNodeType::PL_NODE_TYPE_DATA: {
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ERR_FAIL_V_MSG(false, "PList: DATE and DATA nodes are not supported by ASN.1 serialization.");
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_STRING: {
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p_stream.push_back(0x0C);
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store_asn1_size(p_stream, p_len_octets);
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for (int i = 0; i < data_string.size(); i++) {
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p_stream.push_back(data_string[i]);
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}
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_BOOLEAN: {
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p_stream.push_back(0x01);
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store_asn1_size(p_stream, p_len_octets);
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if (data_bool) {
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p_stream.push_back(0x01);
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} else {
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p_stream.push_back(0x00);
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}
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_INTEGER: {
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p_stream.push_back(0x02);
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store_asn1_size(p_stream, p_len_octets);
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for (int i = 4; i >= 0; i--) {
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uint8_t x = (data_int >> i * 8) & 0xFF;
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p_stream.push_back(x);
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}
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_REAL: {
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p_stream.push_back(0x03);
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store_asn1_size(p_stream, p_len_octets);
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for (int i = 4; i >= 0; i--) {
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uint8_t x = (data_int >> i * 8) & 0xFF;
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p_stream.push_back(x);
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}
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_ARRAY: {
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p_stream.push_back(0x30); // Sequence.
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store_asn1_size(p_stream, p_len_octets);
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for (int i = 0; i < data_array.size(); i++) {
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valid = valid && data_array[i]->store_asn1(p_stream, p_len_octets);
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}
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DICT: {
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p_stream.push_back(0x31); // Set.
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store_asn1_size(p_stream, p_len_octets);
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for (const Map<String, Ref<PListNode>>::Element *it = data_dict.front(); it; it = it->next()) {
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CharString cs = it->key().utf8();
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uint32_t size = cs.length();
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// Sequence.
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p_stream.push_back(0x30);
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uint32_t seq_size = 2 * (1 + _asn1_size_len(p_len_octets)) + size + it->value()->get_asn1_size(p_len_octets);
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if (p_len_octets > 1) {
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p_stream.push_back(0x80 + p_len_octets);
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}
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for (int i = p_len_octets - 1; i >= 0; i--) {
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uint8_t x = (seq_size >> i * 8) & 0xFF;
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p_stream.push_back(x);
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}
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// Key.
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p_stream.push_back(0x0C);
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if (p_len_octets > 1) {
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p_stream.push_back(0x80 + p_len_octets);
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}
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for (int i = p_len_octets - 1; i >= 0; i--) {
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uint8_t x = (size >> i * 8) & 0xFF;
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p_stream.push_back(x);
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}
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for (uint32_t i = 0; i < size; i++) {
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p_stream.push_back(cs[i]);
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}
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// Value.
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valid = valid && it->value()->store_asn1(p_stream, p_len_octets);
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}
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} break;
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}
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return valid;
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}
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void PListNode::store_text(String &p_stream, uint8_t p_indent) const {
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// Convert to text XML stream.
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switch (data_type) {
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case PList::PLNodeType::PL_NODE_TYPE_NIL: {
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// Nothing to store.
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DATA: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<data>\n";
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p_stream += String("\t").repeat(p_indent);
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p_stream += data_string + "\n";
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p_stream += String("\t").repeat(p_indent);
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p_stream += "</data>\n";
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DATE: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<date>";
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p_stream += data_string;
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p_stream += "</date>\n";
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_STRING: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<string>";
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p_stream += String::utf8(data_string);
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p_stream += "</string>\n";
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_BOOLEAN: {
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p_stream += String("\t").repeat(p_indent);
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if (data_bool) {
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p_stream += "<true/>\n";
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} else {
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p_stream += "<false/>\n";
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}
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_INTEGER: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<integer>";
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p_stream += itos(data_int);
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p_stream += "</integer>\n";
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_REAL: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<real>";
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p_stream += rtos(data_real);
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p_stream += "</real>\n";
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_ARRAY: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<array>\n";
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for (int i = 0; i < data_array.size(); i++) {
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data_array[i]->store_text(p_stream, p_indent + 1);
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}
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p_stream += String("\t").repeat(p_indent);
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p_stream += "</array>\n";
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} break;
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case PList::PLNodeType::PL_NODE_TYPE_DICT: {
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p_stream += String("\t").repeat(p_indent);
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p_stream += "<dict>\n";
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for (const Map<String, Ref<PListNode>>::Element *it = data_dict.front(); it; it = it->next()) {
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p_stream += String("\t").repeat(p_indent + 1);
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p_stream += "<key>";
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p_stream += it->key();
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p_stream += "</key>\n";
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it->value()->store_text(p_stream, p_indent + 1);
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}
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p_stream += String("\t").repeat(p_indent);
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p_stream += "</dict>\n";
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} break;
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}
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}
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/*************************************************************************/
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PList::PList() {
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root = PListNode::new_dict();
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}
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PList::PList(const String &p_string) {
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load_string(p_string);
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}
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bool PList::load_file(const String &p_filename) {
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root = Ref<PListNode>();
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FileAccessRef fb = FileAccess::open(p_filename, FileAccess::READ);
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if (!fb) {
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return false;
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}
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unsigned char magic[8];
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fb->get_buffer(magic, 8);
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if (String::utf8((const char *)magic, 8) == "bplist00") {
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ERR_FAIL_V_MSG(false, "PList: Binary property lists are not supported.");
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} else {
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// Load text plist.
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Error err;
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Vector<uint8_t> array = FileAccess::get_file_as_array(p_filename, &err);
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ERR_FAIL_COND_V(err != OK, false);
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String ret;
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ret.parse_utf8((const char *)array.ptr(), array.size());
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return load_string(ret);
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}
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}
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bool PList::load_string(const String &p_string) {
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root = Ref<PListNode>();
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int pos = 0;
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bool in_plist = false;
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bool done_plist = false;
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List<Ref<PListNode>> stack;
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String key;
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while (pos >= 0) {
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int open_token_s = p_string.find("<", pos);
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if (open_token_s == -1) {
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ERR_FAIL_V_MSG(false, "PList: Unexpected end of data. No tags found.");
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}
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int open_token_e = p_string.find(">", open_token_s);
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pos = open_token_e;
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String token = p_string.substr(open_token_s + 1, open_token_e - open_token_s - 1);
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if (token.empty()) {
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ERR_FAIL_V_MSG(false, "PList: Invalid token name.");
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}
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String value;
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if (token[0] == '?' || token[0] == '!') { // Skip <?xml ... ?> and <!DOCTYPE ... >
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int end_token_e = p_string.find(">", open_token_s);
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pos = end_token_e;
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continue;
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}
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if (token.find("plist", 0) == 0) {
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in_plist = true;
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continue;
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}
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if (token == "/plist") {
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in_plist = false;
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done_plist = true;
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break;
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}
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if (!in_plist) {
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ERR_FAIL_V_MSG(false, "PList: Node outside of <plist> tag.");
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}
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if (token == "dict") {
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if (!stack.empty()) {
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// Add subnode end enter it.
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Ref<PListNode> dict = PListNode::new_dict();
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dict->data_type = PList::PLNodeType::PL_NODE_TYPE_DICT;
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if (!stack.back()->get()->push_subnode(dict, key)) {
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ERR_FAIL_V_MSG(false, "PList: Can't push subnode, invalid parent type.");
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}
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stack.push_back(dict);
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} else {
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// Add root node.
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if (!root.is_null()) {
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ERR_FAIL_V_MSG(false, "PList: Root node already set.");
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}
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Ref<PListNode> dict = PListNode::new_dict();
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stack.push_back(dict);
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root = dict;
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}
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continue;
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}
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if (token == "/dict") {
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// Exit current dict.
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if (stack.empty() || stack.back()->get()->data_type != PList::PLNodeType::PL_NODE_TYPE_DICT) {
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ERR_FAIL_V_MSG(false, "PList: Mismatched </dict> tag.");
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}
|
|
stack.pop_back();
|
|
continue;
|
|
}
|
|
|
|
if (token == "array") {
|
|
if (!stack.empty()) {
|
|
// Add subnode end enter it.
|
|
Ref<PListNode> arr = PListNode::new_array();
|
|
if (!stack.back()->get()->push_subnode(arr, key)) {
|
|
ERR_FAIL_V_MSG(false, "PList: Can't push subnode, invalid parent type.");
|
|
}
|
|
stack.push_back(arr);
|
|
} else {
|
|
// Add root node.
|
|
if (!root.is_null()) {
|
|
ERR_FAIL_V_MSG(false, "PList: Root node already set.");
|
|
}
|
|
Ref<PListNode> arr = PListNode::new_array();
|
|
stack.push_back(arr);
|
|
root = arr;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (token == "/array") {
|
|
// Exit current array.
|
|
if (stack.empty() || stack.back()->get()->data_type != PList::PLNodeType::PL_NODE_TYPE_ARRAY) {
|
|
ERR_FAIL_V_MSG(false, "PList: Mismatched </array> tag.");
|
|
}
|
|
stack.pop_back();
|
|
continue;
|
|
}
|
|
|
|
if (token[token.length() - 1] == '/') {
|
|
token = token.substr(0, token.length() - 1);
|
|
} else {
|
|
int end_token_s = p_string.find("</", pos);
|
|
if (end_token_s == -1) {
|
|
ERR_FAIL_V_MSG(false, vformat("PList: Mismatched <%s> tag.", token));
|
|
}
|
|
int end_token_e = p_string.find(">", end_token_s);
|
|
pos = end_token_e;
|
|
String end_token = p_string.substr(end_token_s + 2, end_token_e - end_token_s - 2);
|
|
if (end_token != token) {
|
|
ERR_FAIL_V_MSG(false, vformat("PList: Mismatched <%s> and <%s> tag pair.", token, end_token));
|
|
}
|
|
value = p_string.substr(open_token_e + 1, end_token_s - open_token_e - 1);
|
|
}
|
|
if (token == "key") {
|
|
key = value;
|
|
} else {
|
|
Ref<PListNode> var = nullptr;
|
|
if (token == "true") {
|
|
var = PListNode::new_bool(true);
|
|
} else if (token == "false") {
|
|
var = PListNode::new_bool(false);
|
|
} else if (token == "integer") {
|
|
var = PListNode::new_int(value.to_int());
|
|
} else if (token == "real") {
|
|
var = PListNode::new_real(value.to_float());
|
|
} else if (token == "string") {
|
|
var = PListNode::new_string(value);
|
|
} else if (token == "data") {
|
|
var = PListNode::new_data(value);
|
|
} else if (token == "date") {
|
|
var = PListNode::new_date(value);
|
|
} else {
|
|
ERR_FAIL_V_MSG(false, "PList: Invalid value type.");
|
|
}
|
|
if (stack.empty() || !stack.back()->get()->push_subnode(var, key)) {
|
|
ERR_FAIL_V_MSG(false, "PList: Can't push subnode, invalid parent type.");
|
|
}
|
|
}
|
|
}
|
|
if (!stack.empty() || !done_plist) {
|
|
ERR_FAIL_V_MSG(false, "PList: Unexpected end of data. Root node is not closed.");
|
|
}
|
|
return true;
|
|
}
|
|
|
|
PoolByteArray PList::save_asn1() const {
|
|
if (root == nullptr) {
|
|
ERR_FAIL_V_MSG(PoolByteArray(), "PList: Invalid PList, no root node.");
|
|
}
|
|
size_t size = root->get_asn1_size(1);
|
|
uint8_t len_octets = 0;
|
|
if (size < 0x80) {
|
|
len_octets = 1;
|
|
} else {
|
|
size = root->get_asn1_size(2);
|
|
if (size < 0xFFFF) {
|
|
len_octets = 2;
|
|
} else {
|
|
size = root->get_asn1_size(3);
|
|
if (size < 0xFFFFFF) {
|
|
len_octets = 3;
|
|
} else {
|
|
size = root->get_asn1_size(4);
|
|
if (size < 0xFFFFFFFF) {
|
|
len_octets = 4;
|
|
} else {
|
|
ERR_FAIL_V_MSG(PoolByteArray(), "PList: Data is too big for ASN.1 serializer, should be < 4 GiB.");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
PoolByteArray ret;
|
|
if (!root->store_asn1(ret, len_octets)) {
|
|
ERR_FAIL_V_MSG(PoolByteArray(), "PList: ASN.1 serializer error.");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
String PList::save_text() const {
|
|
if (root == nullptr) {
|
|
ERR_FAIL_V_MSG(String(), "PList: Invalid PList, no root node.");
|
|
}
|
|
|
|
String ret;
|
|
ret += "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
|
|
ret += "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n";
|
|
ret += "<plist version=\"1.0\">\n";
|
|
|
|
root->store_text(ret, 0);
|
|
|
|
ret += "</plist>\n\n";
|
|
return ret;
|
|
}
|
|
|
|
Ref<PListNode> PList::get_root() {
|
|
return root;
|
|
}
|
|
|
|
#endif // MODULE_REGEX_ENABLED
|