[C++] [Client] Added cpp-oatpp-client (#21711)

* Added cpp-oatpp-client.

* Updated pipelines.

* Should match formatting now.

* Moved includes around.

* Ran doc generator.

samples/client/petstore/cpp-oatpp/api/UserApi.hpp

@@ -0,0 +1,111 @@
+/**
+* OpenAPI Petstore
+* This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+*
+* The version of the OpenAPI document: 1.0.0
+* 
+*
+* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+* https://openapi-generator.tech
+* Do not edit the class manually.
+*/
+/*
+ * UserApi.h
+ *
+ * 
+ */
+
+#ifndef UserApi_H_
+#define UserApi_H_
+
+
+
+#include "oatpp/web/client/ApiClient.hpp"
+#include "oatpp/web/protocol/http/outgoing/MultipartBody.hpp"
+#include "oatpp/core/macro/codegen.hpp"
+
+#include "User.hpp"
+
+#include OATPP_CODEGEN_BEGIN(ApiClient) ///< Begin code-gen section
+
+namespace org::openapitools::client::api
+{
+
+class UserApi : public oatpp::web::client::ApiClient {
+public:
+
+  API_CLIENT_INIT(UserApi)
+
+  /// <summary>
+  /// Create user
+  /// </summary>
+  /// <remarks>
+  /// This can only be done by the logged in user.
+  /// </remarks>
+  /// <param name="user">Created user object</param>
+  API_CALL("POST", "/user", create_user, BODY_DTO(oatpp::Object<org::openapitools::client::model::User>, user))
+  /// <summary>
+  /// Creates list of users with given input array
+  /// </summary>
+  /// <remarks>
+  /// 
+  /// </remarks>
+  /// <param name="user">List of user object</param>
+  API_CALL("POST", "/user/createWithArray", create_users_with_array_input, BODY_DTO(oatpp::Vector<oatpp::Object<org::openapitools::client::model::User>>, user))
+  /// <summary>
+  /// Creates list of users with given input array
+  /// </summary>
+  /// <remarks>
+  /// 
+  /// </remarks>
+  /// <param name="user">List of user object</param>
+  API_CALL("POST", "/user/createWithList", create_users_with_list_input, BODY_DTO(oatpp::Vector<oatpp::Object<org::openapitools::client::model::User>>, user))
+  /// <summary>
+  /// Delete user
+  /// </summary>
+  /// <remarks>
+  /// This can only be done by the logged in user.
+  /// </remarks>
+  /// <param name="username">The name that needs to be deleted</param>
+  API_CALL("DELETE", "/user/{username}", delete_user, PATH(oatpp::String, username))
+  /// <summary>
+  /// Get user by user name
+  /// </summary>
+  /// <remarks>
+  /// 
+  /// </remarks>
+  /// <param name="username">The name that needs to be fetched. Use user1 for testing.</param>
+  API_CALL("GET", "/user/{username}", get_user_by_name, PATH(oatpp::String, username))
+  /// <summary>
+  /// Logs user into the system
+  /// </summary>
+  /// <remarks>
+  /// 
+  /// </remarks>
+  /// <param name="username">The user name for login</param>
+  /// <param name="password">The password for login in clear text</param>
+  API_CALL("GET", "/user/login", login_user, QUERY(oatpp::String, username), QUERY(oatpp::String, password))
+  /// <summary>
+  /// Logs out current logged in user session
+  /// </summary>
+  /// <remarks>
+  /// 
+  /// </remarks>
+  API_CALL("GET", "/user/logout", logout_user)
+  /// <summary>
+  /// Updated user
+  /// </summary>
+  /// <remarks>
+  /// This can only be done by the logged in user.
+  /// </remarks>
+  /// <param name="username">name that need to be deleted</param>
+  /// <param name="user">Updated user object</param>
+  API_CALL("PUT", "/user/{username}", update_user, PATH(oatpp::String, username), BODY_DTO(oatpp::Object<org::openapitools::client::model::User>, user))
+};
+
+#include OATPP_CODEGEN_END(ApiClient) ///< End code-gen section
+
+} // namespace org::openapitools::client::api
+
+#endif /* UserApi_H_ */
+