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217
GoldbergGUI.Core/Services/GoldbergService.cs
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217
GoldbergGUI.Core/Services/GoldbergService.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using GoldbergGUI.Core.Models;
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using MvvmCross.Logging;
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namespace GoldbergGUI.Core.Services
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{
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// downloads and updates goldberg emu
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// sets up config files
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// does file copy stuff
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public interface IGoldbergService
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{
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public Task<(string accountName, long userSteamId)> Initialize(IMvxLog log);
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public Task<(int appId, List<SteamApp> dlcList)> Read(string path);
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public Task Save(string path, int appId, List<SteamApp> dlcList);
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public bool GoldbergApplied(string path);
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public void Download();
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public void Extract(string archivePath);
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public Task GenerateInterfacesFile(string filePath);
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}
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// ReSharper disable once UnusedType.Global
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public class GoldbergService : IGoldbergService
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{
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private IMvxLog _log;
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//private const string GoldbergUrl = "https://mr_goldberg.gitlab.io/goldberg_emulator/";
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private readonly string _goldbergPath = Path.Combine(Directory.GetCurrentDirectory(), "goldberg");
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private static readonly string GlobalSettingsPath =
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Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
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"Goldberg SteamEmu Saves");
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private readonly string _accountNamePath = Path.Combine(GlobalSettingsPath, "settings/account_name.txt");
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private readonly string _userSteamIdPath = Path.Combine(GlobalSettingsPath, "settings/user_steam_id.txt");
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private readonly List<string> _interfaceNames = new List<string>
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{
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"SteamClient",
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"SteamGameServer",
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"SteamGameServerStats",
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"SteamUser",
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"SteamFriends",
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"SteamUtils",
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"SteamMatchMaking",
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"SteamMatchMakingServers",
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"STEAMUSERSTATS_INTERFACE_VERSION",
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"STEAMAPPS_INTERFACE_VERSION",
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"SteamNetworking",
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"STEAMREMOTESTORAGE_INTERFACE_VERSION",
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"STEAMSCREENSHOTS_INTERFACE_VERSION",
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"STEAMHTTP_INTERFACE_VERSION",
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"STEAMUNIFIEDMESSAGES_INTERFACE_VERSION",
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"STEAMUGC_INTERFACE_VERSION",
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"STEAMAPPLIST_INTERFACE_VERSION",
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"STEAMMUSIC_INTERFACE_VERSION",
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"STEAMMUSICREMOTE_INTERFACE_VERSION",
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"STEAMHTMLSURFACE_INTERFACE_VERSION_",
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"STEAMINVENTORY_INTERFACE_V",
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"SteamController",
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"SteamMasterServerUpdater",
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"STEAMVIDEO_INTERFACE_V"
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};
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// Call Download
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// Get global settings
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public async Task<(string accountName, long userSteamId)> Initialize(IMvxLog log)
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{
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_log = log;
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var accountName = "Account name...";
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long steamId = -1;
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await Task.Run(() =>
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{
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if (File.Exists(_accountNamePath)) accountName = File.ReadLines(_accountNamePath).First().Trim();
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if (File.Exists(_userSteamIdPath) &&
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!long.TryParse(File.ReadLines(_userSteamIdPath).First().Trim(), out steamId))
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_log.Error("Invalid User Steam ID!");
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}).ConfigureAwait(false);
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return (accountName, steamId);
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}
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// If first time, call GenerateInterfaces
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// else try to read config
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public async Task<(int appId, List<SteamApp> dlcList)> Read(string path)
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{
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var appId = -1;
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var dlcList = new List<SteamApp>();
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var steamAppidTxt = Path.Combine(path, "steam_appid.txt");
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if (File.Exists(steamAppidTxt))
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{
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await Task.Run(() => int.TryParse(File.ReadLines(steamAppidTxt).First().Trim(), out appId))
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.ConfigureAwait(false);
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}
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var dlcTxt = Path.Combine(path, "steam_settings", "DLC.txt");
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if (File.Exists(dlcTxt))
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{
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var readAllLinesAsync = await File.ReadAllLinesAsync(dlcTxt).ConfigureAwait(false);
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var expression = new Regex(@"(?<id>.*) *= *(?<name>.*)");
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foreach (var line in readAllLinesAsync)
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{
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var match = expression.Match(line);
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if (match.Success)
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dlcList.Add(new SteamApp {AppId = Convert.ToInt32(match.Groups["id"].Value),
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Name = match.Groups["name"].Value});
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}
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}
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return (appId, dlcList);
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}
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// If first time, rename original SteamAPI DLL to steam_api(64)_o.dll
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// If not, rename current SteamAPI DLL to steam_api(64).dll.backup
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// Copy Goldberg DLL to path
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// Save configuration files
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public async Task Save(string path, int appId, List<SteamApp> dlcList)
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{
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const string x86Name = "steam_api";
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const string x64Name = "steam_api64";
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if (File.Exists(Path.Combine(path, $"{x86Name}.dll")))
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{
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CopyDllFiles(path, x86Name);
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}
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if (File.Exists(Path.Combine(path, $"{x64Name}.dll")))
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{
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CopyDllFiles(path, x64Name);
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}
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if (!Directory.Exists(Path.Combine(path, "steam_settings")))
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{
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Directory.CreateDirectory(Path.Combine(path, "steam_settings"));
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}
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await File.WriteAllTextAsync(Path.Combine(path, "steam_appid.txt"), appId.ToString()).ConfigureAwait(false);
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var dlcString = "";
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dlcList.ForEach(x => dlcString += $"{x}\n");
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await File.WriteAllTextAsync(Path.Combine(path, "steam_settings", "DLC.txt"), dlcString).ConfigureAwait(false);
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}
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private void CopyDllFiles(string path, string name)
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{
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var steamApiDll = Path.Combine(path, $"{name}.dll");
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var originalDll = Path.Combine(path, $"{name}_o.dll");
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var guiBackup = Path.Combine(path, $"{name}.dll.GOLDBERGGUIBACKUP");
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var goldbergDll = Path.Combine(_goldbergPath, $"{name}.dll");
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if (!File.Exists(originalDll))
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File.Move(steamApiDll, originalDll);
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else
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{
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File.Move(steamApiDll, guiBackup, true);
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File.SetAttributes(guiBackup, FileAttributes.Hidden);
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}
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File.Copy(goldbergDll, steamApiDll);
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}
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public bool GoldbergApplied(string path)
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{
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//throw new NotImplementedException();
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return true;
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}
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// Get webpage
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// Get commit, compare with local if exists, save it if false or missing
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// Get latest archive if mismatch, call Extract
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public void Download()
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{
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//throw new NotImplementedException();
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}
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// Empty subfolder ./goldberg/
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// Extract all from archive to subfolder ./goldberg/
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public void Extract(string archivePath)
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{
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//throw new NotImplementedException();
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}
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// https://gitlab.com/Mr_Goldberg/goldberg_emulator/-/blob/master/generate_interfaces_file.cpp
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// (maybe) check DLL date first
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public async Task GenerateInterfacesFile(string filePath)
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{
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//throw new NotImplementedException();
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// Get DLL content
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var result = new HashSet<string>();
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var dllContent = await File.ReadAllTextAsync(filePath).ConfigureAwait(false);
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// find interfaces
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foreach (var name in _interfaceNames)
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{
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FindInterfaces(ref result, dllContent, new Regex($"{name}\\d{{3}}"));
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if (!FindInterfaces(ref result, dllContent, new Regex(@"STEAMCONTROLLER_INTERFACE_VERSION\d{3}")))
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{
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FindInterfaces(ref result, dllContent, new Regex("STEAMCONTROLLER_INTERFACE_VERSION"));
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}
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}
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var dirPath = Path.GetDirectoryName(filePath);
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if (dirPath == null) return;
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await using var destination = File.CreateText(dirPath + "/steam_interfaces.txt");
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foreach (var s in result)
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{
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await destination.WriteLineAsync(s).ConfigureAwait(false);
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}
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}
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private static bool FindInterfaces(ref HashSet<string> result, string dllContent, Regex regex)
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{
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var success = false;
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var matches = regex.Matches(dllContent);
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foreach (Match match in matches)
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{
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success = true;
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//result += $@"{match.Value}\n";
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result.Add(match.Value);
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}
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return success;
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}
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}
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}
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