mirror of
https://github.com/Alia5/GlosSI.git
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586 lines
20 KiB
C++
586 lines
20 KiB
C++
/*
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Copyright 2021-2022 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// "Shitty shortcuts.vdf Parser"<22>
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#pragma once
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#include <charconv>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <vector>
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namespace VDFParser {
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namespace crc {
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template <typename CONT>
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uint32_t calculate_crc(CONT container)
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{
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uint32_t crc32_table[256];
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for (uint32_t i = 0; i < 256; i++) {
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uint32_t ch = i;
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uint32_t crc = 0;
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for (size_t j = 0; j < 8; j++) {
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uint32_t b = (ch ^ crc) & 1;
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crc >>= 1;
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if (b)
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crc = crc ^ 0xEDB88320;
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ch >>= 1;
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}
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crc32_table[i] = crc;
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}
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uint32_t crc = 0xFFFFFFFF;
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for (size_t i = 0; i < container.size(); i++) {
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char ch = container.data()[i];
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uint32_t t = (ch ^ crc) & 0xFF;
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crc = (crc >> 8) ^ crc32_table[t];
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}
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return ~crc;
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}
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} // namespace crc
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static constexpr const char k_appid[] = {"appid"};
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static constexpr const char k_appname[] = {"appname"};
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static constexpr const char k_exe[] = {"exe"};
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static constexpr const char k_StartDir[] = {"StartDir"};
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static constexpr const char k_icon[] = {"icon"};
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static constexpr const char k_ShortcutPath[] = {"ShortcutPath"};
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static constexpr const char k_LaunchOptions[] = {"LaunchOptions"};
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static constexpr const char k_IsHidden[] = {"IsHidden"};
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static constexpr const char k_AllowDesktopConfig[] = {"AllowDesktopConfig"};
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static constexpr const char k_AllowOverlay[] = {"AllowOverlay"};
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static constexpr const char k_openvr[] = {"openvr"};
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static constexpr const char k_Devkit[] = {"Devkit"};
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static constexpr const char k_DevkitGameID[] = {"DevkitGameID"};
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static constexpr const char k_DevkitOverrideAppID[] = {"DevkitOverrideAppID"};
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static constexpr const char k_LastPlayTime[] = {"LastPlayTime"};
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static constexpr const char k_tags[] = {"tags"};
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enum VDFTypeId {
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StringList = 0,
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String,
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Number,
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};
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template <const char* const keyname, typename type, const uint8_t const _type_id>
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struct VDFKeyPair {
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VDFKeyPair() {}
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explicit VDFKeyPair(type _value) : value(_value) {}
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static constexpr uint8_t _TID = _type_id;
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static constexpr const char* const _KEY = keyname;
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const uint8_t type_id = _TID;
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const char* const key = _KEY;
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type value;
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VDFKeyPair(const VDFKeyPair& other)
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{
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value = other.value;
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};
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VDFKeyPair(VDFKeyPair&& other)
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{
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value = std::move(other.value);
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};
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VDFKeyPair& operator=(const VDFKeyPair& other)
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{
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value = other.value;
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return *this;
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}
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VDFKeyPair& operator=(VDFKeyPair&& other)
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{
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value = std::move(other.value);
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return *this;
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}
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};
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template <uint8_t initialByte>
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struct VDFIdx {
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VDFIdx(){};
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VDFIdx(const VDFIdx& other)
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{
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data[0] = other.data[0];
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data[1] = other.data[1];
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};
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VDFIdx(VDFIdx&& other)
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{
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data[0] = std::move(other.data[0]);
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data[1] = std::move(other.data[1]);
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};
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VDFIdx(int idx)
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{
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if (idx > 99) {
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data[0] = initialByte;
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data[1] = 0;
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}
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else if (idx < 10) {
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data[1] = std::to_string(idx).c_str()[0];
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}
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else {
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auto meh = std::to_string(idx).c_str();
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data[0] = meh[0] + initialByte;
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data[1] = meh[1];
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}
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}
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char data[2] = {initialByte, 0x0};
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operator int() const
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{
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if (data[0] == initialByte) {
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int res = 0;
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std::from_chars(&data[1], &data[1], res);
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return res;
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}
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int res = 0;
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char copy[2] = {data[0] - initialByte, data[1]};
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std::from_chars(©[0], ©[1], res);
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return res;
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}
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VDFIdx& operator=(const VDFIdx& other)
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{
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data[0] = other.data[0];
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data[1] = other.data[1];
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return *this;
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}
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VDFIdx& operator=(VDFIdx&& other)
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{
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data[0] = std::move(other.data[0]);
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data[1] = std::move(other.data[1]);
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return *this;
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}
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};
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struct ShortcutTag {
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ShortcutTag(){};
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ShortcutTag(const ShortcutTag& other)
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{
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value = other.value;
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};
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ShortcutTag(ShortcutTag&& other)
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{
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value = std::move(other.value);
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};
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VDFIdx<0x01> idx; // I Hope this is how it works... See VDFIdx
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std::string value;
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const uint16_t end_marker = 0x0808;
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ShortcutTag& operator=(const ShortcutTag& other)
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{
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value = other.value;
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return *this;
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}
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ShortcutTag& operator=(ShortcutTag&& other)
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{
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value = std::move(other.value);
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return *this;
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}
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};
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struct Shortcut {
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VDFIdx<0x00> idx;
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VDFKeyPair<k_appid, uint32_t, VDFTypeId::Number> appId{0x000000};
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VDFKeyPair<k_appname, std::string, VDFTypeId::String> appName{""};
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VDFKeyPair<k_exe, std::string, VDFTypeId::String> exe{"\"\""}; // Qouted
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VDFKeyPair<k_StartDir, std::string, VDFTypeId::String> StartDir{"\"\""}; // Qouted
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VDFKeyPair<k_icon, std::string, VDFTypeId::String> icon{""}; // Qouted or empty
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VDFKeyPair<k_ShortcutPath, std::string, VDFTypeId::String> ShortcutPath{""}; // Qouted or empty?
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VDFKeyPair<k_LaunchOptions, std::string, VDFTypeId::String> LaunchOptions{""}; // UNQOUTED or empty
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VDFKeyPair<k_IsHidden, uint32_t, VDFTypeId::Number> IsHidden{0};
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VDFKeyPair<k_AllowDesktopConfig, uint32_t, VDFTypeId::Number> AllowDesktopConfig{1};
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VDFKeyPair<k_AllowOverlay, uint32_t, VDFTypeId::Number> AllowOverlay{1};
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VDFKeyPair<k_openvr, uint32_t, VDFTypeId::Number> openvr{0};
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VDFKeyPair<k_Devkit, uint32_t, VDFTypeId::Number> Devkit{0};
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VDFKeyPair<k_DevkitGameID, std::string, VDFTypeId::String> DevkitGameID{""};
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VDFKeyPair<k_DevkitOverrideAppID, uint32_t, VDFTypeId::Number> DevkitOverrideAppID{0}; //
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VDFKeyPair<k_LastPlayTime, uint32_t, VDFTypeId::Number> LastPlayTime{0}; //
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VDFKeyPair<k_tags, std::vector<ShortcutTag>, VDFTypeId::StringList> tags{};
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Shortcut& operator=(const Shortcut& other)
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{
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idx = other.idx;
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appId = other.appId;
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appName = other.appName;
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exe = other.exe;
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StartDir = other.StartDir;
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icon = other.icon;
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ShortcutPath = other.ShortcutPath;
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LaunchOptions = other.LaunchOptions;
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LaunchOptions = other.LaunchOptions;
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IsHidden = other.IsHidden;
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AllowDesktopConfig = other.AllowDesktopConfig;
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AllowOverlay = other.AllowOverlay;
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openvr = other.openvr;
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Devkit = other.Devkit;
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DevkitGameID = other.DevkitGameID;
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DevkitOverrideAppID = other.DevkitOverrideAppID;
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LastPlayTime = other.LastPlayTime;
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tags = other.tags;
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return *this;
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}
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//std::wstring to_json()
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//{
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// std::wstring res = L"{";
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// res += L"idx: " + std::to_wstring(idx.operator int()) + L",\n";
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// res += L"appId: " + std::to_wstring(appId.value) + L",\n";
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// res += L"appName: " + std::filesystem::path(appName.value).wstring() + L",\n";
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// res += L"StartDir: " + std::filesystem::path(StartDir.value).wstring() + L",\n";
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// res += L"ShortcutPath: " + std::filesystem::path(ShortcutPath.value).wstring() + L",\n";
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// res += L"LaunchOptions: " + std::filesystem::path(LaunchOptions.value).wstring() + L",\n";
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// res += L"IsHidden: " + (IsHidden.value ? L"true" : L"false") + L",\n";
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// res += L"AllowDesktopConfig: " + (AllowDesktopConfig.value ? L"true" : L"false") + L",\n";
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// res += L"idx: " + std::to_wstring(appId.value) + L",\n";
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// res += L"}";
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// return res;
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//}
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};
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struct VDFFile {
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VDFFile(){};
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VDFFile(const VDFFile& other)
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{
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shortcuts = other.shortcuts;
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};
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VDFFile(VDFFile&& other)
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{
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shortcuts = std::move(other.shortcuts);
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};
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const uint8_t first_byte = 0x00;
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const std::string identifier = "shortcuts";
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std::vector<Shortcut> shortcuts;
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const uint16_t end_marker = 0x0808;
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VDFFile& operator=(const VDFFile& other)
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{
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shortcuts = other.shortcuts;
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return *this;
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}
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VDFFile& operator=(VDFFile&& other)
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{
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shortcuts = std::move(other.shortcuts);
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return *this;
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}
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//std::wstring to_json()
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//{
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// std::wstring res = L"[";
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// res += L"]";
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// return res;
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//}
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};
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class Parser {
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private:
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static inline std::ifstream ifile;
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static inline std::ofstream ofile;
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template <typename typ, typename size>
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static inline auto readVDFBuffer(typ& buff, size sz)
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{
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if (ifile.eof()) {
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return;
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}
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ifile.read((char*)buff, sz);
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}
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template <typename typ>
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static inline auto readVDFValue()
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{
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uint8_t buff[sizeof(typ)];
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ifile.read((char*)buff, sizeof(typ));
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return *reinterpret_cast<typ*>(buff);
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}
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static inline std::string readVDFString()
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{
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std::string str;
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char ch = '\x0';
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do {
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if (ifile.eof()) {
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return str;
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}
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ifile.read(&ch, sizeof(char));
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if (ch != '\x0')
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str.push_back(ch);
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} while (ch != '\x0');
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return str;
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}
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public:
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static inline uint32_t calculateAppId(const Shortcut& shortcut)
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{
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std::string buff = shortcut.exe.value + shortcut.appName.value;
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auto checksum = crc::calculate_crc(buff);
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return checksum | 0x80000000;
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}
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static inline VDFFile parseShortcuts(std::filesystem::path path)
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{
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VDFFile vdffile;
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ifile.open(path.string(), std::ios::binary | std::ios::in);
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if (!ifile.is_open()) {
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return {};
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}
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auto firsty = readVDFValue<uint8_t>();
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if (vdffile.first_byte != firsty) {
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// TODO: invalid
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ifile.close();
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return vdffile;
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}
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auto headername = readVDFString();
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if (vdffile.identifier != headername) {
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// TODO: invalid
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ifile.close();
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return vdffile;
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}
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char buff[3];
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while (true) {
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if (ifile.eof()) {
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break;
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}
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readVDFBuffer(buff, 3); // 2 bytes idx, 0x00 delmiter
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if (buff[0] == 0x08 && buff[1] == 0x08) {
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break;
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}
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Shortcut shortcut;
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shortcut.idx.data[0] = buff[0];
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shortcut.idx.data[1] = buff[1];
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while (true) // TODO;
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{
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if (ifile.eof()) {
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break;
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}
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VDFTypeId tid = static_cast<VDFTypeId>(readVDFValue<uint8_t>());
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if (tid == 0x08) {
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auto nextbyte = readVDFValue<uint8_t>();
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if (nextbyte == 0x08) {
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break;
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}
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else {
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// WTF?!
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// TODO:
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throw std::exception("WTF");
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}
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}
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auto key = readVDFString();
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if ((tid == 0x08 && key[0] == 0x08) || key == "\x08\x08") {
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break;
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}
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if (key == shortcut.appId.key) {
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shortcut.appId.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.appName.key) {
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shortcut.appName.value = readVDFString();
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continue;
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}
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if (key == shortcut.exe.key) {
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shortcut.exe.value = readVDFString();
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continue;
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}
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if (key == shortcut.StartDir.key) {
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shortcut.StartDir.value = readVDFString();
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continue;
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}
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if (key == shortcut.icon.key) {
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shortcut.icon.value = readVDFString();
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continue;
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}
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if (key == shortcut.ShortcutPath.key) {
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shortcut.ShortcutPath.value = readVDFString();
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continue;
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}
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if (key == shortcut.LaunchOptions.key) {
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shortcut.LaunchOptions.value = readVDFString();
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continue;
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}
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if (key == shortcut.IsHidden.key) {
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shortcut.IsHidden.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.AllowDesktopConfig.key) {
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shortcut.AllowDesktopConfig.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.AllowOverlay.key) {
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shortcut.AllowOverlay.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.openvr.key) {
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shortcut.openvr.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.Devkit.key) {
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shortcut.Devkit.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.DevkitGameID.key) {
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shortcut.DevkitGameID.value = readVDFString();
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continue;
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}
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if (key == shortcut.DevkitOverrideAppID.key) {
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shortcut.DevkitOverrideAppID.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.LastPlayTime.key) {
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shortcut.LastPlayTime.value = readVDFValue<uint32_t>();
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continue;
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}
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if (key == shortcut.tags.key) {
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// TODO: read tags
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ShortcutTag tag;
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while (true) {
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if (ifile.eof()) {
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break;
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}
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char tbuff[2];
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readVDFBuffer(tbuff, 2); // 2 bytes idx
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if (tbuff[0] == 0x08 && tbuff[1] == 0x08) {
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ifile.seekg(-2, std::ios_base::cur);
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break;
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}
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tag.idx.data[0] = tbuff[0];
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tag.idx.data[1] = tbuff[1];
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ifile.seekg(1, std::ios_base::cur);
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tag.value = readVDFString();
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shortcut.tags.value.push_back(tag);
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}
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continue;
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}
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}
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if (!(shortcut.idx.data[0] == 0x0 && shortcut.idx.data[1] == 0x0)) {
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vdffile.shortcuts.push_back(shortcut);
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}
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}
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ifile.close();
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return vdffile;
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}
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static inline bool writeShortcuts(std::filesystem::path path, const VDFFile& vdffile)
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{
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ofile.open(path.string(), std::ios::binary | std::ios::out);
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if (!ofile.is_open()) {
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return false;
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}
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ofile.write((char*)&vdffile.first_byte, 1);
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ofile.write(vdffile.identifier.data(), vdffile.identifier.length());
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ofile.write("\x00", 1);
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for (auto& shortcut : vdffile.shortcuts) {
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ofile.write(shortcut.idx.data, 2);
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ofile.write("\x00", 1);
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//
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ofile.write((char*)&shortcut.appId.type_id, 1);
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ofile.write(shortcut.appId.key, 6);
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ofile.write((char*)&shortcut.appId.value, 4);
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//
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ofile.write((char*)&shortcut.appName.type_id, 1);
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ofile.write(shortcut.appName.key, 8);
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ofile.write(shortcut.appName.value.data(), shortcut.appName.value.length());
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ofile.write("\x00", 1);
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//
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ofile.write((char*)&shortcut.exe.type_id, 1);
|
||
ofile.write(shortcut.exe.key, 4);
|
||
ofile.write(shortcut.exe.value.data(), shortcut.exe.value.length());
|
||
ofile.write("\x00", 1);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.StartDir.type_id, 1);
|
||
ofile.write(shortcut.StartDir.key, 9);
|
||
ofile.write(shortcut.StartDir.value.data(), shortcut.StartDir.value.length());
|
||
ofile.write("\x00", 1);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.icon.type_id, 1);
|
||
ofile.write(shortcut.icon.key, 5);
|
||
ofile.write(shortcut.icon.value.data(), shortcut.icon.value.length());
|
||
ofile.write("\x00", 1);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.ShortcutPath.type_id, 1);
|
||
ofile.write(shortcut.ShortcutPath.key, 13);
|
||
ofile.write(shortcut.ShortcutPath.value.data(), shortcut.ShortcutPath.value.length());
|
||
ofile.write("\x00", 1);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.LaunchOptions.type_id, 1);
|
||
ofile.write(shortcut.LaunchOptions.key, 14);
|
||
ofile.write(shortcut.LaunchOptions.value.data(), shortcut.LaunchOptions.value.length());
|
||
ofile.write("\x00", 1);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.IsHidden.type_id, 1);
|
||
ofile.write(shortcut.IsHidden.key, 9);
|
||
ofile.write((char*)&shortcut.IsHidden.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.AllowDesktopConfig.type_id, 1);
|
||
ofile.write(shortcut.AllowDesktopConfig.key, 19);
|
||
ofile.write((char*)&shortcut.AllowDesktopConfig.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.AllowOverlay.type_id, 1);
|
||
ofile.write(shortcut.AllowOverlay.key, 13);
|
||
ofile.write((char*)&shortcut.AllowOverlay.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.openvr.type_id, 1);
|
||
ofile.write(shortcut.openvr.key, 7);
|
||
ofile.write((char*)&shortcut.openvr.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.Devkit.type_id, 1);
|
||
ofile.write(shortcut.Devkit.key, 7);
|
||
ofile.write((char*)&shortcut.Devkit.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.DevkitGameID.type_id, 1);
|
||
ofile.write(shortcut.DevkitGameID.key, 13);
|
||
ofile.write(shortcut.DevkitGameID.value.data(), shortcut.DevkitGameID.value.length());
|
||
ofile.write("\x00", 1);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.DevkitOverrideAppID.type_id, 1);
|
||
ofile.write(shortcut.DevkitOverrideAppID.key, 20);
|
||
ofile.write((char*)&shortcut.DevkitOverrideAppID.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.LastPlayTime.type_id, 1);
|
||
ofile.write(shortcut.LastPlayTime.key, 13);
|
||
ofile.write((char*)&shortcut.LastPlayTime.value, 4);
|
||
|
||
//
|
||
ofile.write((char*)&shortcut.tags.type_id, 1);
|
||
ofile.write(shortcut.tags.key, 5);
|
||
for (auto& tag : shortcut.tags.value) {
|
||
ofile.write(tag.idx.data, 2);
|
||
ofile.write("\x00", 1);
|
||
ofile.write(tag.value.data(), tag.value.length());
|
||
ofile.write("\x00", 1);
|
||
}
|
||
ofile.write("\x08\x08", 2);
|
||
}
|
||
ofile.write("\x08\x08", 2);
|
||
ofile.close();
|
||
return true;
|
||
}
|
||
};
|
||
} // namespace VDFParser
|