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td/example/swift/src/main.swift

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+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+import Foundation
+
+// TDLib Client Swift binding
+class TdClient {
+    var client_id = td_create_client_id()
+    let tdlibMainLoop = DispatchQueue(label: "TDLib")
+    let tdlibQueryQueue = DispatchQueue(label: "TDLibQuery")
+    var queryF = Dictionary<Int64, (Dictionary<String,Any>)->()>()
+    var updateF: ((Dictionary<String,Any>)->())?
+    var queryId: Int64 = 0
+
+    func queryAsync(query: [String: Any], f: ((Dictionary<String,Any>)->())? = nil) {
+        tdlibQueryQueue.async {
+            var newQuery = query
+
+            if f != nil {
+                let nextQueryId = self.queryId + 1
+                newQuery["@extra"] = nextQueryId
+                self.queryF[nextQueryId] = f
+                self.queryId = nextQueryId
+            }
+            td_send(self.client_id, to_json(newQuery))
+        }
+    }
+
+    func querySync(query: [String: Any]) -> Dictionary<String,Any> {
+        let semaphore = DispatchSemaphore(value:0)
+        var result = Dictionary<String,Any>()
+        queryAsync(query: query) {
+            result = $0
+            semaphore.signal()
+        }
+        semaphore.wait()
+        return result
+    }
+
+    init() {
+    }
+
+    deinit {
+    }
+
+    func run(updateHandler: @escaping (Dictionary<String,Any>)->()) {
+        updateF = updateHandler
+        tdlibMainLoop.async { [weak self] in
+            while (true) {
+                if let s = self {
+                    if let res = td_receive(10) {
+                        let event = String(cString: res)
+                        s.queryResultAsync(event)
+                    }
+                } else {
+                    break
+                }
+            }
+        }
+    }
+
+    private func queryResultAsync(_ result: String) {
+        tdlibQueryQueue.async {
+            let json = try? JSONSerialization.jsonObject(with: result.data(using: .utf8)!, options:[])
+            if let dictionary = json as? [String:Any] {
+                if let extra = dictionary["@extra"] as? Int64 {
+                    let index = self.queryF.index(forKey: extra)!
+                    self.queryF[index].value(dictionary)
+                    self.queryF.remove(at: index)
+                } else {
+                    self.updateF!(dictionary)
+                }
+            }
+        }
+    }
+}
+
+func to_json(_ obj: Any) -> String {
+    do {
+        let obj = try JSONSerialization.data(withJSONObject: obj)
+        return String(data: obj, encoding: .utf8)!
+    } catch {
+        return ""
+    }
+}
+
+
+var client = TdClient()
+
+// start the client by sending request to it
+client.queryAsync(query: ["@type":"getOption", "name":"version"])
+
+func myReadLine() -> String {
+    while (true) {
+        if let line = readLine() {
+            return line
+        }
+    }
+}
+
+func updateAuthorizationState(authorizationState: Dictionary<String, Any>) {
+    switch(authorizationState["@type"] as! String) {
+        case "authorizationStateWaitTdlibParameters":
+            client.queryAsync(query:[
+                "@type":"setTdlibParameters",
+                "database_directory":"tdlib",
+                "use_message_database":true,
+                "use_secret_chats":true,
+                "api_id":94575,
+                "api_hash":"a3406de8d171bb422bb6ddf3bbd800e2",
+                "system_language_code":"en",
+                "device_model":"Desktop",
+                "application_version":"1.0"
+            ]);
+
+        case "authorizationStateWaitPhoneNumber":
+            print("Enter your phone number: ")
+            let phone_number = myReadLine()
+            client.queryAsync(query:["@type":"setAuthenticationPhoneNumber", "phone_number":phone_number], f:checkAuthenticationError)
+
+        case "authorizationStateWaitEmailAddress":
+            print("Enter your email address: ")
+            let email_address = myReadLine()
+            client.queryAsync(query:["@type":"setAuthenticationEmailAddress", "email_address":email_address], f:checkAuthenticationError)
+
+        case "authorizationStateWaitEmailCode":
+            var code: String = ""
+            print("Enter email code: ")
+            code = myReadLine()
+            client.queryAsync(query:["@type":"checkAuthenticationEmailCode", "code":["@type":"emailAddressAuthenticationCode", "code":code]], f:checkAuthenticationError)
+
+        case "authorizationStateWaitCode":
+            var code: String = ""
+            print("Enter (SMS) code: ")
+            code = myReadLine()
+            client.queryAsync(query:["@type":"checkAuthenticationCode", "code":code], f:checkAuthenticationError)
+
+        case "authorizationStateWaitRegistration":
+            var first_name: String = ""
+            var last_name: String = ""
+            print("Enter your first name: ")
+            first_name = myReadLine()
+            print("Enter your last name: ")
+            last_name = myReadLine()
+            client.queryAsync(query:["@type":"registerUser", "first_name":first_name, "last_name":last_name], f:checkAuthenticationError)
+
+        case "authorizationStateWaitPassword":
+            print("Enter password: ")
+            let password = myReadLine()
+            client.queryAsync(query:["@type":"checkAuthenticationPassword", "password":password], f:checkAuthenticationError)
+
+        case "authorizationStateReady":
+            ()
+
+        case "authorizationStateLoggingOut":
+            print("Logging out...")
+
+        case "authorizationStateClosing":
+            print("Closing...")
+
+        case "authorizationStateClosed":
+            print("Closed.")
+
+        default:
+            assert(false, "TODO: Unexpected authorization state");
+    }
+}
+
+func checkAuthenticationError(error: Dictionary<String, Any>) {
+    if (error["@type"] as! String == "error") {
+        client.queryAsync(query:["@type":"getAuthorizationState"], f:updateAuthorizationState)
+    }
+}
+
+client.run {
+    let update = $0
+    print(update)
+    if update["@type"] as! String == "updateAuthorizationState" {
+        updateAuthorizationState(authorizationState: update["authorization_state"] as! Dictionary<String, Any>)
+    }
+}
+
+while true {
+    sleep(1)
+}

td/example/swift/src/td-Bridging-Header.h

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+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "td/telegram/td_json_client.h"
+#include "td/telegram/td_log.h"