refactor
重构以加强 abi 的兼容性
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@@ -5,9 +5,37 @@
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class mcp_Tool_Utility
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{
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public:
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// 1. 纯文本响应
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static nlohmann::json make_text_result(const std::string &text)
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static std::wstring utf8ToWString(const std::string &utf8Str)
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{
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if (utf8Str.empty()) return std::wstring();
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// 第一次调用获取需要的宽字符缓冲区大小
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int sizeNeeded = ::MultiByteToWideChar(CP_UTF8, 0, &utf8Str[0], (int)utf8Str.size(), NULL, 0);
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std::wstring wstrTo(sizeNeeded, 0);
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// 第二次调用真正进行转换
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::MultiByteToWideChar(CP_UTF8, 0, &utf8Str[0], (int)utf8Str.size(), &wstrTo[0], sizeNeeded);
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return wstrTo;
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}
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static std::string WStringToUtf8(const std::wstring &wstr)
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{
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if (wstr.empty()) return std::string();
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// 第一次调用获取需要的 UTF-8 缓冲区大小
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
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std::string strTo(sizeNeeded, 0);
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// 第二次调用真正进行转换
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WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], sizeNeeded, NULL, NULL);
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return strTo;
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}
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// 1. 纯文本响应
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static nlohmann::json make_text_result(const std::wstring &_text)
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{
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std::string text = WStringToUtf8(_text);
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return {
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{ "result", {
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{ "content", {
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@@ -31,10 +59,11 @@ public:
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}
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// 3. 图文混合响应 (文字汇报结果 + 附带 CAD 视口截图)
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static nlohmann::json make_mixed_result(const std::string &text
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static nlohmann::json make_mixed_result(const std::wstring &_text
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, const std::string &base64Data
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, const std::string &mimeType = "image/png")
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{
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std::string text = WStringToUtf8(_text);
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return {
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{ "result", {
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{ "content", {
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@@ -45,8 +74,9 @@ public:
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};
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}
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static nlohmann::json make_error(int code, const std::string &message)
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static nlohmann::json make_error(int code, const std::wstring &_message)
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{
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std::string message = WStringToUtf8(_message);
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return {
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{ "error",{
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{ "code", code },
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@@ -60,7 +90,7 @@ class mcp_Tool
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{
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protected:
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nlohmann::json m_config;
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std::string m_abiBuffer; // 存在于对象实例自己的堆内存中,确保指针生命周期安全
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public:
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virtual ~mcp_Tool() = default;
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@@ -97,6 +127,29 @@ public:
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// 整个类唯一一个纯虚函数:全心全意干活!
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virtual nlohmann::json Execute(const nlohmann::json &args) = 0;
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// 安全配置注入
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virtual void SetConfigAbiSafe(const char* config_json_str)
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{
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// 在 DLL 内部的安全环境中完成字符串到 JSON 的反序列化
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m_config = nlohmann::json::parse(config_json_str);
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}
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// 安全执行路由
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virtual const char* ExecuteAbiSafe(const char* args_json_str)
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{
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// 1. 在 DLL 的上下文中,将传入的 C 字符串转为 JSON
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nlohmann::json args = nlohmann::json::parse(args_json_str);
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// 2. 调用真实的业务逻辑
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nlohmann::json result = Execute(args);
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// 3. 将结果序列化为字符串,存入属于该 DLL 的内存缓冲区
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m_abiBuffer = result.dump();
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// 4. 返回安全的 C 指针
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return m_abiBuffer.c_str();
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}
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};
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#define EXPORT_MCP_TOOL(ToolClass, FactoryName) \
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@@ -122,7 +122,9 @@ void mcp_ConfigParser::LoadDllTool(const nlohmann::json &toolConfig, const std::
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if (pRealTool)
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{
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// 给真正的 DLL 实例也注入配置,以防第三方需要在内部读取
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pRealTool->SetConfig(toolConfig);
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std::string cfgStr = toolConfig.dump();
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pRealTool->SetConfigAbiSafe(cfgStr.c_str());
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//pRealTool->SetConfig(toolConfig);
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// 实例化代理类,接管生命周期
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auto pProxy = std::make_shared<mcp_Tool_DllProxy>(hMod, pRealTool, destroyFn);
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@@ -145,7 +147,6 @@ void mcp_ConfigParser::LoadDllTool(const nlohmann::json &toolConfig, const std::
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#pragma endregion mcp_ConfigParser
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#pragma region mcp_Tools
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// 注册工具
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void mcp_Tools::Register(std::shared_ptr<mcp_Tool> pTool)
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@@ -177,7 +178,7 @@ nlohmann::json mcp_Tools::Call(const std::string &name, const nlohmann::json &ar
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}
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// 找不到工具时,返回标准的 JSON-RPC 错误对象
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return mcp_Tool_Utility::make_error(-32601, "Specified tool not found: " + name);
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return mcp_Tool_Utility::make_error(-32601, L"Specified tool not found: " + mcp_utils::utf8ToWString(name));
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}
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void mcp_Tools::print()
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@@ -46,14 +46,14 @@ nlohmann::json mcp_Tool_LispInline::Execute(const nlohmann::json &args)
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std::wstring finalScript;
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if (!ReplaceTemplateArgs(tpl, args, finalScript))
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return mcp_Tool_Utility::make_error(-32603, "Script template replacement failed.");
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return mcp_Tool_Utility::make_error(-32603, L"Script template replacement failed.");
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finalScript += _T(" "); // 尾部加空格,等同于在 CAD 命令行敲回车
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// 异步推送到 AutoCAD 命令行执行
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acDocManager->sendStringToExecute(acDocManager->curDocument(), finalScript.c_str());
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return mcp_Tool_Utility::make_text_result("LISP inline command issued for execution (asynchronous)");
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return mcp_Tool_Utility::make_text_result(L"LISP inline command issued for execution (asynchronous)");
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}
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#pragma endregion LispInline
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@@ -66,7 +66,7 @@ nlohmann::json mcp_Tool_LispFile::Execute(const nlohmann::json &args)
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if (!fs::exists(filePath))
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{
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return mcp_Tool_Utility::make_error(-32603, "LISP file does not exist: " + filePath.string());
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return mcp_Tool_Utility::make_error(-32603, L"LISP file does not exist: " + mcp_utils::utf8ToWString(filePath.string()));
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}
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std::string callTpl = m_config["backend"].value("call_template", "");
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@@ -76,7 +76,7 @@ nlohmann::json mcp_Tool_LispFile::Execute(const nlohmann::json &args)
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std::wstring executeCmd;
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if (!ReplaceTemplateArgs(callTpl, args, executeCmd))
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{
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return mcp_Tool_Utility::make_error(-32603, "Script template replacement failed.");
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return mcp_Tool_Utility::make_error(-32603, L"Script template replacement failed.");
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}
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executeCmd += _T(" ");
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@@ -84,7 +84,7 @@ nlohmann::json mcp_Tool_LispFile::Execute(const nlohmann::json &args)
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acDocManager->sendStringToExecute(acDocManager->curDocument(), finalScript.c_str());
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return mcp_Tool_Utility::make_text_result("LISP external file loaded and issued for execution (asynchronous)");
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return mcp_Tool_Utility::make_text_result(L"LISP external file loaded and issued for execution (asynchronous)");
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}
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#pragma endregion LispFile
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@@ -106,9 +106,12 @@ nlohmann::json mcp_Tool_DllProxy::Execute(const nlohmann::json &args)
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{
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if (m_pRealTool)
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{
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return m_pRealTool->Execute(args); // 完美转发
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std::string argStr = args.dump();
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//return m_pRealTool->Execute(args); // 完美转发
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const char* retStr = m_pRealTool->ExecuteAbiSafe(argStr.c_str());
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return nlohmann::json::parse(retStr);
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}
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return mcp_Tool_Utility::make_error(-32603, "Underlying DLL tool instance is invalid");
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return mcp_Tool_Utility::make_error(-32603, L"Underlying DLL tool instance is invalid");
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}
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#pragma endregion DllProxy
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@@ -3,33 +3,18 @@
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#include <Windows.h>
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#include <tchar.h>
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#include <ghc/filesystem.hpp>
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#include "mcp_plugin_api.h"
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namespace mcp_utils
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{
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std::wstring utf8ToWString(const std::string &utf8Str)
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{
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if (utf8Str.empty()) return std::wstring();
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// 第一次调用获取需要的宽字符缓冲区大小
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int sizeNeeded = ::MultiByteToWideChar(CP_UTF8, 0, &utf8Str[0], (int)utf8Str.size(), NULL, 0);
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std::wstring wstrTo(sizeNeeded, 0);
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// 第二次调用真正进行转换
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::MultiByteToWideChar(CP_UTF8, 0, &utf8Str[0], (int)utf8Str.size(), &wstrTo[0], sizeNeeded);
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return wstrTo;
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return mcp_Tool_Utility::utf8ToWString(utf8Str);
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}
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std::string WStringToUtf8(const std::wstring &wstr)
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{
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if (wstr.empty()) return std::string();
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// 第一次调用获取需要的 UTF-8 缓冲区大小
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int sizeNeeded = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
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std::string strTo(sizeNeeded, 0);
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// 第二次调用真正进行转换
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WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], sizeNeeded, NULL, NULL);
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return strTo;
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return mcp_Tool_Utility::WStringToUtf8(wstr);
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}
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bool mcp_utils::hasFileExist(const std::wstring &filePath) { return _taccess(filePath.c_str(), 0) == 0; }
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@@ -61,11 +61,11 @@ public:
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// 5. 返回标准 MCP 结果,如果失败可以根据 es 的值返回 make_error
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if (es == Acad::eOk)
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{
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return mcp_Tool_Utility::make_text_result("C++底层接口已成功在模型空间生成圆形!");
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return mcp_Tool_Utility::make_text_result(L"C++底层接口已成功在模型空间生成圆形!");
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}
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else
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{
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return mcp_Tool_Utility::make_error((int)es, "ObjectARX 内部错误");
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return mcp_Tool_Utility::make_error((int)es, L"ObjectARX 内部错误");
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}
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}
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};
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