perf: 整理代码

STranslateDLL/LocalMode.cs

@@ -1,400 +0,0 @@
-using System.IO.Compression;
-using System.Net;
-using System.Text;
-using System.Text.Encodings.Web;
-using System.Text.Json;
-using System.Text.Json.Nodes;
-using System.Text.Json.Serialization;
-
-namespace STranslateDLL;
-
-public static class LocalMode
-{
-    private static long _nextId;
-
-    private static bool _hasInit;
-
-    private static readonly Dictionary<bool, string> TextTypeDic = new()
-    {
-        { true, "richtext" },
-        { false, "plaintext" }
-    };
-
-    private static JsonSerializerOptions GetOptions =>
-        new()
-        {
-            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
-            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingDefault
-        };
-
-    private static void Initial()
-    {
-        var rand = new Random();
-        var number = rand.NextInt64(99999) + 8300000;
-        _nextId = number * 1000;
-
-        _hasInit = true;
-    }
-
-    public static async Task<string> ExecuteAsync(
-        string content,
-        string sourceLang = "auto",
-        string targetLang = "ZH",
-        CancellationToken? token = null
-    )
-    {
-        if (!_hasInit) Initial();
-        var getToken = token ?? CancellationToken.None;
-        var splitResult = await SplitTextAsync(content, getToken);
-        //TODO: Error handling
-
-        var splitObj = JsonSerializer.Deserialize<JsonObject>(splitResult);
-        if (sourceLang.Equals("auto", StringComparison.CurrentCultureIgnoreCase) || sourceLang.Equals(""))
-        {
-            sourceLang = splitObj?["result"]?["lang"]?["detected"]?.ToString()?.ToUpper() ?? "auto";
-        }
-
-        var jobs = new List<Job>();
-        var chunks = splitObj?["result"]?["texts"]?[0]?["chunks"];
-        if (chunks is JsonArray chunkArray)
-        {
-            for (var i = 0; i < chunkArray.Count; i++)
-            {
-                var sentence = chunkArray[i]?["sentences"]?[0];
-                var contextBefore = Array.Empty<string>();
-                var contextAfter = Array.Empty<string>();
-                if (i > 0)
-                {
-                    contextBefore = [chunkArray[i - 1]?["sentences"]?[0]?["text"]?.ToString() ?? ""];
-                }
-
-                if (i < chunkArray.Count - 1)
-                {
-                    contextAfter = [chunkArray[i + 1]?["sentences"]?[0]?["text"]?.ToString() ?? ""];
-                }
-
-                var job = new Job
-                {
-                    Kind = "default",
-                    PreferredNumBeams = 4,
-                    RawEnContextBefore = contextBefore,
-                    RawEnContextAfter = contextAfter,
-                    Sentences =
-                    [
-                        new Sentence
-                        {
-                            Prefix = sentence?["prefix"]?.ToString() ?? "",
-                            Text = sentence?["text"]?.ToString() ?? "",
-                            Id = i + 1,
-                        }
-                    ]
-                };
-                jobs.Add(job);
-            }
-        }
-
-        var hasRegionalVariant = false;
-        var targetLangCode = targetLang;
-        var targetLangParts = targetLang.Split("-");
-        if (targetLangParts.Length > 1)
-        {
-            targetLangCode = targetLangParts[0];
-            hasRegionalVariant = true;
-        }
-
-        var id = CreateId();
-        var reqData = new DeepLRequest
-        {
-            Jsonrpc = "2.0",
-            Method = "LMT_handle_jobs",
-            Id = id,
-            Params = new ReqParams
-            {
-                CommonJobParams = new ReqParamsCommonJobParams
-                {
-                    Mode = "translate",
-                    RegionalVariant = hasRegionalVariant ? targetLang : null
-                },
-                Lang = new ReqParamsLang
-                {
-                    // SourceLangUserSelected = sourceLang,
-                    SourceLangComputed = sourceLang.ToUpper(),
-                    TargetLang = targetLangCode.ToUpper()
-                },
-                Jobs = jobs.ToArray(),
-                Priority = 1,
-                Timestamp = GenerateTimestamp(content)
-            }
-        };
-
-        var json = JsonSerializer.Serialize(reqData, GetOptions);
-        json = AdjustJsonContent(json, id);
-
-
-        using var client = new HttpClient();
-        var request = new HttpRequestMessage(HttpMethod.Post,
-            "https://www2.deepl.com/jsonrpc?client=chrome-extension,1.28.0&method=LMT_handle_jobs")
-        {
-            Content = new StringContent(json, Encoding.UTF8, "application/json")
-        };
-
-        request.Headers.Add("Accept", "*/*");
-        request.Headers.Add("Accept-Language", "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh-HK;q=0.6,zh;q=0.5");
-        request.Headers.Add("Authorization", "None");
-        request.Headers.Add("Cache-Control", "no-cache");
-        // request.Headers.Add("Content-Type", "application/json");
-        request.Headers.Add("DNT", "1");
-        request.Headers.Add("Origin", "chrome-extension://cofdbpoegempjloogbagkncekinflcnj");
-        request.Headers.Add("Pragma", "no-cache");
-        request.Headers.Add("Priority", "u=1, i");
-        request.Headers.Add("Referer", "https://www.deepl.com/");
-        request.Headers.Add("Sec-Fetch-Dest", "empty");
-        request.Headers.Add("Sec-Fetch-Mode", "cors");
-        request.Headers.Add("Sec-Fetch-Site", "none");
-        request.Headers.Add("Sec-GPC", "1");
-        request.Headers.Add("User-Agent",
-            "DeepLBrowserExtension/1.28.0 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36");
-
-        var resp = await client.SendAsync(request, getToken);
-        //resp.EnsureSuccessStatusCode();
-
-        string responseBody;
-
-        if (resp.Content.Headers.ContentEncoding.Contains("br"))
-        {
-            await using var responseStream = await resp.Content.ReadAsStreamAsync(getToken);
-            await using var decompressionStream = new BrotliStream(
-                responseStream,
-                CompressionMode.Decompress
-            );
-            using var streamReader = new StreamReader(decompressionStream);
-            responseBody = await streamReader.ReadToEndAsync(getToken);
-        }
-        else
-        {
-            responseBody = await resp.Content.ReadAsStringAsync(getToken);
-        }
-        
-        var jNode = JsonNode.Parse(responseBody);
-        var data = jNode?["result"]?["translations"]?[0]?["beams"]?[0]?["sentences"]?[0]?["text"]?.ToString();
-        // data = UnicodeToString(data);
-
-        var errorMsg = jNode?["error"]?["message"]?.ToString();
-        var detailsMsg = jNode?["error"]?["data"]?["what"]?.ToString();
-        var error = $"Error: {errorMsg}\nDetails: {detailsMsg}";
-
-        var response = new Response
-        {
-            Code = resp.StatusCode.GetHashCode(),
-            Data = data ?? error
-        };
-
-        return JsonSerializer.Serialize(response, GetOptions);
-    }
-
-    private static async Task<string> SplitTextAsync(string text, CancellationToken? token)
-    {
-        var id = CreateId();
-        var getToken = token ?? CancellationToken.None;
-        var requestData = new DeepLRequest
-        {
-            Jsonrpc = "2.0",
-            Method = "LMT_split_text",
-            Id = id,
-            Params = new ReqParams
-            {
-                CommonJobParams = new ReqParamsCommonJobParams
-                {
-                    Mode = "translate"
-                },
-                Lang = new ReqParamsLang
-                {
-                    SourceLangUserSelected = "auto"
-                },
-                Texts = [text],
-                TextType = TextTypeDic[ /*tagHandling*/false || IsRichText(text)]
-            }
-        };
-
-        var json = JsonSerializer.Serialize(requestData, GetOptions);
-        json = AdjustJsonContent(json, id);
-        using var client = new HttpClient();
-        var request = new HttpRequestMessage(HttpMethod.Post,
-            "https://www2.deepl.com/jsonrpc?client=chrome-extension,1.28.0&method=LMT_split_text")
-        {
-            Content = new StringContent(json, Encoding.UTF8, "application/json")
-        };
-        // Add headers to the request
-        request.Headers.Add("Accept", "*/*");
-        request.Headers.Add("Accept-Language", "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh-HK;q=0.6,zh;q=0.5");
-        request.Headers.Add("Authorization", "None");
-        request.Headers.Add("Cache-Control", "no-cache");
-        // request.Headers.Add("Content-Type", "application/json");
-        request.Headers.Add("DNT", "1");
-        request.Headers.Add("Origin", "chrome-extension://cofdbpoegempjloogbagkncekinflcnj");
-        request.Headers.Add("Pragma", "no-cache");
-        request.Headers.Add("Priority", "u=1, i");
-        request.Headers.Add("Referer", "https://www.deepl.com/");
-        request.Headers.Add("Sec-Fetch-Dest", "empty");
-        request.Headers.Add("Sec-Fetch-Mode", "cors");
-        request.Headers.Add("Sec-Fetch-Site", "none");
-        request.Headers.Add("Sec-GPC", "1");
-        request.Headers.Add("User-Agent",
-            "DeepLBrowserExtension/1.28.0 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36");
-
-        var resp = await client.SendAsync(request, getToken);
-        string responseBody;
-
-        if (resp.Content.Headers.ContentEncoding.Contains("br"))
-        {
-            await using var responseStream = await resp.Content.ReadAsStreamAsync(getToken);
-            await using var decompressionStream = new BrotliStream(
-                responseStream,
-                CompressionMode.Decompress
-            );
-            using var streamReader = new StreamReader(decompressionStream);
-            responseBody = await streamReader.ReadToEndAsync(getToken);
-        }
-        else
-        {
-            responseBody = await resp.Content.ReadAsStringAsync(getToken);
-        }
-
-        return responseBody;
-    }
-    
-    private static string? UnicodeToString(string? srcText)
-    {
-        if (srcText == null) return default;
-        var dst = "";
-        var src = srcText;
-        var len = srcText.Length / 6;
-        for (var i = 0; i <= len - 1; i++)
-        {
-            var str = "";
-            str = src[..6][2..];
-            src = src[6..];
-            var bytes = new byte[2];
-            bytes[1] = byte.Parse(int.Parse(str[..2], System.Globalization.NumberStyles.HexNumber).ToString());
-            bytes[0] = byte.Parse(int.Parse(str.Substring(2, 2), System.Globalization.NumberStyles.HexNumber).ToString());
-            dst += Encoding.Unicode.GetString(bytes);
-        }
-        return dst;
-    }
-
-    private static bool IsRichText(string text)
-    {
-        return text.Contains('<') && text.Contains('>');
-    }
-
-    private static long GenerateTimestamp(string texts)
-    {
-        long iCount = texts.Split('i').Length - 1;
-        var ts = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
-        return iCount != 0 ? ts - ts % (iCount + 1) + iCount + 1 : ts;
-    }
-
-    private static long CreateId()
-    {
-        return Interlocked.Increment(ref _nextId);
-    }
-
-    private static string AdjustJsonContent(string json, long id)
-    {
-        string method;
-        if ((id + 3) % 13 == 0 || (id + 5) % 29 == 0)
-            method = "\"method\" : \"";
-        else
-            method = "\"method\": \"";
-        return json.Replace("\"method\":\"", method);
-    }
-}
-
-public class Response
-{
-    public int Code { get; set; }
-    public string Data { get; set; } = "";
-}
-
-#region Request
-
-public class DeepLRequest
-{
-    [JsonPropertyName("jsonrpc")] public string Jsonrpc { get; set; } = "";
-
-    [JsonPropertyName("method")] public string Method { get; set; } = "";
-
-    [JsonPropertyName("params")] public ReqParams? Params { get; set; }
-
-    [JsonPropertyName("id")] public long Id { get; set; }
-}
-
-public class ReqParams
-{
-    [JsonPropertyName("commonJobParams")] public ReqParamsCommonJobParams? CommonJobParams { get; set; }
-
-    [JsonPropertyName("lang")] public ReqParamsLang? Lang { get; set; }
-
-    [JsonPropertyName("texts")] public string[]? Texts { get; set; }
-
-    [JsonPropertyName("textType")] public string? TextType { get; set; }
-
-    [JsonPropertyName("jobs")] public Job[]? Jobs { get; set; }
-
-    [JsonPropertyName("priority")] public int Priority { get; set; }
-
-    [JsonPropertyName("timestamp")] public long Timestamp { get; set; }
-}
-
-public class ReqParamsLang
-{
-    [JsonPropertyName("source_lang_user_selected")]
-    public string? SourceLangUserSelected { get; set; }
-
-    [JsonPropertyName("source_lang_computed")]
-    public string? SourceLangComputed { get; set; }
-
-    [JsonPropertyName("target_lang")] public string TargetLang { get; set; } = "";
-}
-
-public class ReqParamsCommonJobParams
-{
-    [JsonPropertyName("mode")] public string Mode { get; set; } = "";
-
-    [JsonPropertyName("regionalVariant")] public string? RegionalVariant { get; set; }
-}
-
-public class Job
-{
-    [JsonPropertyName("kind")] public string Kind { get; set; } = "";
-
-    [JsonPropertyName("preferred_num_beams")]
-    public int PreferredNumBeams { get; set; }
-
-    [JsonPropertyName("raw_en_context_before")]
-    public string[]? RawEnContextBefore { get; set; }
-
-    [JsonPropertyName("raw_en_context_after")]
-    public string[]? RawEnContextAfter { get; set; }
-
-    [JsonPropertyName("sentences")] public Sentence[]? Sentences { get; set; }
-}
-
-public class Sentence
-{
-    [JsonPropertyName("id")] public int Id { get; set; }
-
-    [JsonPropertyName("prefix")] public string Prefix { get; set; } = "";
-
-    [JsonPropertyName("text")] public string Text { get; set; } = "";
-}
-
-#endregion
-
-
-public class RespError
-{
-    [JsonPropertyName("code")] public int Code { get; set; }
-
-    [JsonPropertyName("message")] public string Message { get; set; } = "";
-}

STranslateDLL/Models.cs

@@ -0,0 +1,80 @@
+using System.Text.Json.Serialization;
+
+namespace STranslateDLL;
+
+public class Response
+{
+    public int Code { get; set; }
+    public string Data { get; set; } = "";
+}
+
+public class DeepLRequest
+{
+    [JsonPropertyName("jsonrpc")] public string Jsonrpc { get; set; } = "";
+
+    [JsonPropertyName("method")] public string Method { get; set; } = "";
+
+    [JsonPropertyName("params")] public ReqParams? Params { get; set; }
+
+    [JsonPropertyName("id")] public long Id { get; set; }
+}
+
+public class ReqParams
+{
+    [JsonPropertyName("commonJobParams")] public ReqParamsCommonJobParams? CommonJobParams { get; set; }
+
+    [JsonPropertyName("lang")] public ReqParamsLang? Lang { get; set; }
+
+    [JsonPropertyName("texts")] public string[]? Texts { get; set; }
+
+    [JsonPropertyName("textType")] public string? TextType { get; set; }
+
+    [JsonPropertyName("jobs")] public Job[]? Jobs { get; set; }
+
+    [JsonPropertyName("priority")] public int Priority { get; set; }
+
+    [JsonPropertyName("timestamp")] public long Timestamp { get; set; }
+}
+
+public class ReqParamsLang
+{
+    [JsonPropertyName("source_lang_user_selected")]
+    public string? SourceLangUserSelected { get; set; }
+
+    [JsonPropertyName("source_lang_computed")]
+    public string? SourceLangComputed { get; set; }
+
+    [JsonPropertyName("target_lang")] public string TargetLang { get; set; } = "";
+}
+
+public class ReqParamsCommonJobParams
+{
+    [JsonPropertyName("mode")] public string Mode { get; set; } = "";
+
+    [JsonPropertyName("regionalVariant")] public string? RegionalVariant { get; set; }
+}
+
+public class Job
+{
+    [JsonPropertyName("kind")] public string Kind { get; set; } = "";
+
+    [JsonPropertyName("preferred_num_beams")]
+    public int PreferredNumBeams { get; set; }
+
+    [JsonPropertyName("raw_en_context_before")]
+    public string[]? RawEnContextBefore { get; set; }
+
+    [JsonPropertyName("raw_en_context_after")]
+    public string[]? RawEnContextAfter { get; set; }
+
+    [JsonPropertyName("sentences")] public Sentence[]? Sentences { get; set; }
+}
+
+public class Sentence
+{
+    [JsonPropertyName("id")] public int Id { get; set; }
+
+    [JsonPropertyName("prefix")] public string Prefix { get; set; } = "";
+
+    [JsonPropertyName("text")] public string Text { get; set; } = "";
+}

STranslateDLL/Program.cs

@@ -0,0 +1,202 @@
+using System.IO.Compression;
+using System.Text;
+using System.Text.Json.Nodes;
+
+namespace STranslateDLL;
+
+public static class Program
+{
+    public static async Task<string> ExecuteAsync(
+        string content,
+        string sourceLang = "auto",
+        string targetLang = "ZH",
+        CancellationToken? token = null
+    )
+    {
+        Utilities.Initial();
+        var getToken = token ?? CancellationToken.None;
+        var splitResult = await SplitTextAsync(content, getToken);
+
+        var splitData = JsonNode.Parse(splitResult);
+        var splitError = splitData?["error"]?["message"]?.ToString();
+        if (splitError != null)
+            return Utilities.Serialize(new Response
+            {
+                Code = 500,
+                Data = splitError
+            });
+
+        sourceLang = GetSourceLang(sourceLang, splitData);
+
+        var jobs = CreateJobs(splitData);
+
+        var targetLangCode = GetTargetLangCode(targetLang, out var hasRegionalVariant);
+
+        var id = Utilities.CreateId();
+        var reqData = new DeepLRequest
+        {
+            Jsonrpc = "2.0",
+            Method = "LMT_handle_jobs",
+            Id = id,
+            Params = new ReqParams
+            {
+                CommonJobParams = new ReqParamsCommonJobParams
+                {
+                    Mode = "translate",
+                    RegionalVariant = hasRegionalVariant ? targetLang : null
+                },
+                Lang = new ReqParamsLang
+                {
+                    SourceLangComputed = sourceLang.ToUpper(),
+                    TargetLang = targetLangCode.ToUpper()
+                },
+                Jobs = jobs.ToArray(),
+                Priority = 1,
+                Timestamp = Utilities.GenerateTimestamp(content)
+            }
+        };
+
+        var json = Utilities.Serialize(reqData);
+        json = Utilities.AdjustJsonContent(json, id);
+
+        var responseBody = await SendRequestAsync(json, getToken, "LMT_handle_jobs");
+
+        var jNode = JsonNode.Parse(responseBody);
+        var data = jNode?["result"]?["translations"]?[0]?["beams"]?[0]?["sentences"]?[0]?["text"]?.ToString();
+        var errorMsg = jNode?["error"]?["message"]?.ToString();
+        var detailsMsg = jNode?["error"]?["data"]?["what"]?.ToString();
+        var error = $"Error: {errorMsg}\nDetails: {detailsMsg}";
+
+        return Utilities.Serialize(new Response
+        {
+            Code = data != null ? 200 : 500,
+            Data = data ?? error
+        });
+    }
+
+    private static string GetSourceLang(string sourceLang, JsonNode? splitData)
+    {
+        if (sourceLang.Equals("auto", StringComparison.CurrentCultureIgnoreCase) || sourceLang.Equals(""))
+            sourceLang = splitData?["result"]?["lang"]?["detected"]?.ToString().ToUpper() ?? "auto";
+        return sourceLang;
+    }
+
+    private static List<Job> CreateJobs(JsonNode? splitData)
+    {
+        var jobs = new List<Job>();
+        var chunks = splitData?["result"]?["texts"]?[0]?["chunks"];
+        if (chunks is JsonArray chunkArray)
+            for (var i = 0; i < chunkArray.Count; i++)
+            {
+                var sentence = chunkArray[i]?["sentences"]?[0];
+                var contextBefore = i > 0
+                    ? new[] { chunkArray[i - 1]?["sentences"]?[0]?["text"]?.ToString() ?? "" }
+                    : Array.Empty<string>();
+                var contextAfter = i < chunkArray.Count - 1
+                    ? new[] { chunkArray[i + 1]?["sentences"]?[0]?["text"]?.ToString() ?? "" }
+                    : Array.Empty<string>();
+
+                var job = new Job
+                {
+                    Kind = "default",
+                    PreferredNumBeams = 4,
+                    RawEnContextBefore = contextBefore,
+                    RawEnContextAfter = contextAfter,
+                    Sentences = new[]
+                    {
+                        new Sentence
+                        {
+                            Prefix = sentence?["prefix"]?.ToString() ?? "",
+                            Text = sentence?["text"]?.ToString() ?? "",
+                            Id = i + 1
+                        }
+                    }
+                };
+                jobs.Add(job);
+            }
+
+        return jobs;
+    }
+
+    private static string GetTargetLangCode(string targetLang, out bool hasRegionalVariant)
+    {
+        var targetLangCode = targetLang;
+        var targetLangParts = targetLang.Split("-");
+        hasRegionalVariant = targetLangParts.Length > 1;
+        if (hasRegionalVariant) targetLangCode = targetLangParts[0];
+        return targetLangCode;
+    }
+
+    private static async Task<string> SendRequestAsync(string json, CancellationToken token, string method)
+    {
+        using var client = new HttpClient();
+        var uri = $"{Utilities.Url}?client=chrome-extension,1.28.0&method={method}";
+        var request = new HttpRequestMessage(HttpMethod.Post, uri)
+        {
+            Content = new StringContent(json, Encoding.UTF8, "application/json")
+        };
+
+        AddRequestHeaders(request);
+
+        var resp = await client.SendAsync(request, token);
+        return await GetResponseBodyAsync(resp, token);
+    }
+
+    private static void AddRequestHeaders(HttpRequestMessage request)
+    {
+        request.Headers.Add("Accept", "*/*");
+        request.Headers.Add("Accept-Language", "en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh-HK;q=0.6,zh;q=0.5");
+        request.Headers.Add("Authorization", "None");
+        request.Headers.Add("Cache-Control", "no-cache");
+        request.Headers.Add("DNT", "1");
+        request.Headers.Add("Origin", "chrome-extension://cofdbpoegempjloogbagkncekinflcnj");
+        request.Headers.Add("Pragma", "no-cache");
+        request.Headers.Add("Priority", "u=1, i");
+        request.Headers.Add("Referer", "https://www.deepl.com/");
+        request.Headers.Add("Sec-Fetch-Dest", "empty");
+        request.Headers.Add("Sec-Fetch-Mode", "cors");
+        request.Headers.Add("Sec-Fetch-Site", "none");
+        request.Headers.Add("Sec-GPC", "1");
+        request.Headers.Add("User-Agent",
+            "DeepLBrowserExtension/1.28.0 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36");
+    }
+
+    private static async Task<string> GetResponseBodyAsync(HttpResponseMessage resp, CancellationToken token)
+    {
+        if (!resp.Content.Headers.ContentEncoding.Contains("br"))
+            return await resp.Content.ReadAsStringAsync(token);
+
+        await using var responseStream = await resp.Content.ReadAsStreamAsync(token);
+        await using var decompressionStream = new BrotliStream(responseStream, CompressionMode.Decompress);
+        using var streamReader = new StreamReader(decompressionStream);
+        return await streamReader.ReadToEndAsync(token);
+    }
+
+    private static async Task<string> SplitTextAsync(string text, CancellationToken token)
+    {
+        var id = Utilities.CreateId();
+        var requestData = new DeepLRequest
+        {
+            Jsonrpc = "2.0",
+            Method = "LMT_split_text",
+            Id = id,
+            Params = new ReqParams
+            {
+                CommonJobParams = new ReqParamsCommonJobParams
+                {
+                    Mode = "translate"
+                },
+                Lang = new ReqParamsLang
+                {
+                    SourceLangUserSelected = "auto"
+                },
+                Texts = new[] { text },
+                TextType = Utilities.TextTypeDic[Utilities.IsRichText(text)]
+            }
+        };
+
+        var json = Utilities.Serialize(requestData);
+        json = Utilities.AdjustJsonContent(json, id);
+        return await SendRequestAsync(json, token, "LMT_split_text");
+    }
+}

STranslateDLL/Properties/PublishProfiles/FolderProfile.pubxml

@@ -3,16 +3,16 @@
 https://go.microsoft.com/fwlink/?LinkID=208121.
 -->
 <Project>
-  <PropertyGroup>
-    <Configuration>Release</Configuration>
-    <Platform>Any CPU</Platform>
-    <PublishDir>bin\Release\net8.0\publish\win-x64\</PublishDir>
-    <PublishProtocol>FileSystem</PublishProtocol>
-    <_TargetId>Folder</_TargetId>
-    <TargetFramework>net8.0</TargetFramework>
-    <RuntimeIdentifier>win-x64</RuntimeIdentifier>
-    <SelfContained>false</SelfContained>
-    <PublishSingleFile>false</PublishSingleFile>
-    <PublishReadyToRun>true</PublishReadyToRun>
-  </PropertyGroup>
+    <PropertyGroup>
+        <Configuration>Release</Configuration>
+        <Platform>Any CPU</Platform>
+        <PublishDir>bin\Release\net8.0\publish\win-x64\</PublishDir>
+        <PublishProtocol>FileSystem</PublishProtocol>
+        <_TargetId>Folder</_TargetId>
+        <TargetFramework>net8.0</TargetFramework>
+        <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+        <SelfContained>false</SelfContained>
+        <PublishSingleFile>false</PublishSingleFile>
+        <PublishReadyToRun>true</PublishReadyToRun>
+    </PropertyGroup>
 </Project>

STranslateDLL/STranslateDLL.csproj

@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-    <AssemblyName>localmode</AssemblyName>
-  </PropertyGroup>
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <AssemblyName>localmode</AssemblyName>
+    </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <DebugType>none</DebugType>
-  </PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+        <DebugType>none</DebugType>
+    </PropertyGroup>
 
 </Project>

STranslateDLL/Utilities.cs

@@ -0,0 +1,69 @@
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace STranslateDLL;
+
+public static class Utilities
+{
+    public const string Url = "https://www2.deepl.com/jsonrpc";
+    private static long _nextId;
+    private static bool _hasInit;
+
+    public static readonly Dictionary<bool, string> TextTypeDic = new()
+    {
+        { true, "richtext" },
+        { false, "plaintext" }
+    };
+
+    private static readonly JsonSerializerOptions GetOptions =
+        new()
+        {
+            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
+            DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingDefault,
+            WriteIndented = true
+        };
+
+    public static string Serialize(object data)
+    {
+        return JsonSerializer.Serialize(data, GetOptions);
+    }
+
+    public static void Initial()
+    {
+        if (_hasInit) return;
+
+        var rand = new Random();
+        var number = rand.NextInt64(99999) + 8300000;
+        _nextId = number * 1000;
+
+        _hasInit = true;
+    }
+
+    public static bool IsRichText(string text)
+    {
+        return text.Contains('<') && text.Contains('>');
+    }
+
+    public static long GenerateTimestamp(string texts)
+    {
+        long iCount = texts.Split('i').Length - 1;
+        var ts = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+        return iCount != 0 ? ts - ts % (iCount + 1) + iCount + 1 : ts;
+    }
+
+    public static long CreateId()
+    {
+        return Interlocked.Increment(ref _nextId);
+    }
+
+    public static string AdjustJsonContent(string json, long id)
+    {
+        string method;
+        if ((id + 3) % 13 == 0 || (id + 5) % 29 == 0)
+            method = "\"method\" : \"";
+        else
+            method = "\"method\": \"";
+        return json.Replace("\"method\":\"", method);
+    }
+}

STranslateDLLTests/ProgramTests.cs

@@ -5,7 +5,7 @@ using Xunit.Abstractions;
 
 namespace STranslateDLLTests;
 
-public class LocalModeTests(ITestOutputHelper testOutputHelper)
+public class ProgramTests(ITestOutputHelper testOutputHelper)
 {
     [Fact()]
     public async Task ExecuteAsyncTestAsync()
@@ -13,7 +13,7 @@ public class LocalModeTests(ITestOutputHelper testOutputHelper)
         try
         {
             var cts = new CancellationTokenSource();
-            var ret = await LocalMode.ExecuteAsync("Hello World", "EN", "ZH", cts.Token);
+            var ret = await Program.ExecuteAsync("Hello World", "auto", "ZH", cts.Token);
             testOutputHelper.WriteLine(ret);
         }
         catch (Exception ex)