├── .gitignore ├── LICENSE ├── Readme.md ├── build ├── bin │ ├── .keep │ └── dunit.ini └── dcu │ └── .keep ├── examples └── customerrors │ ├── build │ ├── bin │ │ └── .keep │ └── dcu │ │ └── .keep │ ├── dunit.ini │ ├── testcustomerrors.dof │ ├── testcustomerrors.dpr │ ├── testcustomerrors.res │ ├── ujsonrpccustomerrors.pas │ └── utestcustomerrors.pas ├── json-rpc-projects.bpg ├── projects ├── testjsonrpclite.dof └── testjsonrpclite.dpr ├── source ├── ujsonrpc2.pas └── utils │ ├── FastMM4.pas │ ├── FastMM4Messages.pas │ ├── FastMM4Messages_ru.pas │ └── FastMM4Options.inc └── test ├── testjsonrpc.pas └── testjsonrpcerrors.pas /.gitignore: -------------------------------------------------------------------------------- 1 | # Uncomment these types if you want even more clean repository. But be careful. 2 | # It can make harm to an existing project source. Read explanations below. 3 | # 4 | # Resource files are binaries containing manifest, project icon and version info. 5 | # They can not be viewed as text or compared by diff-tools. Consider replacing them with .rc files. 6 | #*.res 7 | # 8 | # Type library file (binary). In old Delphi versions it should be stored. 9 | # Since Delphi 2009 it is produced from .ridl file and can safely be ignored. 10 | #*.tlb 11 | # 12 | # Diagram Portfolio file. Used by the diagram editor up to Delphi 7. 13 | # Uncomment this if you are not using diagrams or use newer Delphi version. 14 | #*.ddp 15 | # 16 | # Visual LiveBindings file. Added in Delphi XE2. 17 | # Uncomment this if you are not using LiveBindings Designer. 18 | #*.vlb 19 | # 20 | # Deployment Manager configuration file for your project. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /Readme.md: -------------------------------------------------------------------------------- 1 | # Pascal JSON-RPC lite 2 2 | 3 | Parse and Serialize JSON-RPC2 messages in free-pascal or Delphi application. 4 | Git Repository: https://github.com/r3code/pascal-jsonrpc-lite-2 5 | 6 | This is an enhanced version of https://github.com/r3code/pascal-jsonrpc-lite 7 | 8 | Inspired by https://github.com/teambition/jsonrpc-lite. 9 | 10 | **An implementation of [JSON-RPC 2.0 specifications](http://jsonrpc.org/specification)** 11 | 12 | 13 | ## Dependencies 14 | 15 | SuperObject JSON parsing library https://github.com/hgourvest/superobject 16 | 17 | 18 | ## Install 19 | 20 | 1. Download. 21 | 2. Extract. 22 | 3. Add `ujsonrpc2.pas` to your project or add path to `ujsonrpc2.pas` to Lib Path. 23 | ```pascal 24 | uses ujsonrpc2; 25 | ``` 26 | 27 | 28 | ## API 29 | 30 | ### Interface: IJsonRpcMessage 31 | 32 | 33 | #### Method: IJsonRpcMessage.AsJsonObject 34 | 35 | Returns object as ISuperObject. 36 | 37 | #### Method: IJsonRpcMessage.AsJSon(indent: boolean = false; escape: boolean = true): string; 38 | 39 | Returns a JSON string object representation. 40 | 41 | Params: 42 | - `indent`: {boolean} indent resulting JSON 43 | - `escape`: {boolean} escape special chars 44 | 45 | 46 | ### Class: TJsonRpcMessage 47 | 48 | ##### Class Method: TJsonRpcMessage.Request(id, method, params) 49 | 50 | Creates a JSON-RPC 2.0 request object, return IJsonRpcMessage object. 51 | Realizes IJsonRpcMessage. Returns {IJsonRpcError}. 52 | 53 | Params: 54 | - `id`: {String} 55 | - `method`: {String} 56 | - `params`: {ISuperObject} 57 | 58 | Example: 59 | ```pascal 60 | var requestObj: TJsonRpcMessage; 61 | requestObj := TJsonRpcMessage.Request('123', 'update', SO('{list: [1, 2, 3]}')); 62 | writeln(requestObj.asString); 63 | // { 64 | // jsonrpc: '2.0', 65 | // id: '123', 66 | // method: 'update', 67 | // params: {list: [1, 2, 3]} 68 | // } 69 | ``` 70 | 71 | ##### Class Method: TJsonRpcMessage.Notification(method, params) 72 | 73 | Creates a JSON-RPC 2.0 notification object, returns {IJsonRpcMessage}. 74 | 75 | Params: 76 | - `method`: {String} 77 | - `params`: {ISuperObject} 78 | 79 | Example: 80 | ```pascal 81 | var notificationObj: TJsonRpcMessage; 82 | notificationObj := TJsonRpcMessage.notification('update', SO('{list: [1, 2, 3]}')); 83 | writeln(notificationObj.asString); 84 | // { 85 | // jsonrpc: '2.0', 86 | // method: 'update', 87 | // params: {list: [1, 2, 3]} 88 | // } 89 | ``` 90 | 91 | #### Class Method: TJsonRpcMessage.Success(id, result) 92 | 93 | Creates a JSON-RPC 2.0 success response object, returns {IJsonRpcMessage}. 94 | 95 | Params: 96 | - `id`: {String} 97 | - `result`: {ISuperObject} 98 | 99 | Example: 100 | ```pascal 101 | var msg: TJsonRpcMessage; 102 | msg := TJsonRpcMessage.success('123', 'OK'); 103 | writeln(msg.asString); 104 | // { 105 | // jsonrpc: '2.0', 106 | // id: '123', 107 | // result: 'OK', 108 | // } 109 | ``` 110 | 111 | #### Class Method: TJsonRpcMessage.Error(id, error) 112 | 113 | Creates a JSON-RPC 2.0 error response object, returns {IJsonRpcMessage}. 114 | 115 | Params: 116 | - `id`: {String} 117 | - `error`: {IJsonRpcError} use TJsonRpcError or it's siblings 118 | 119 | Example: 120 | ```pascal 121 | var msg: TJsonRpcMessage; 122 | msg := TJsonRpcMessage.Error('123', TJsonRpcError.Create(-32000, 'some error', 'blabla')); 123 | writeln(msg.asString); 124 | // { 125 | // jsonrpc: '2.0', 126 | // id: '123', 127 | // error: {code: -32000, 'message': 'some error', data: 'blabla'}, 128 | // } 129 | ``` 130 | 131 | #### Class Method: TJsonRpcMessage.Parse(s, err) 132 | 133 | Takes a JSON-RPC 2.0 payload (string) and tries to parse it into a JSON. 134 | If successful, determine what object is it (response, notification, success, 135 | error, or invalid), and return it's type and properly formatted object. 136 | In case of error see details in `err` value. 137 | 138 | Params: 139 | - `s`: {String} 140 | - `err`: {IJsonRpcError} 141 | 142 | Returns one of {IJsonRpcParsedMessage} realizations if OK, 143 | else `nil` and `err` set to one of {IJsonRpcError} realizations (e.g. TJsonRpcError). 144 | 145 | 146 | ### Enum: TJsonRpcObjectType 147 | 148 | Shows the type of message detected during `Parse`. 149 | Types: `jotInvalid`, `jotRequest`, `jotNotification`, `jotSuccess`, `jotError`. 150 | 151 | 152 | ### Interface: IJsonRpcParsedMessage 153 | 154 | #### Method: IJsonRpcParsedMessage.GetMessageType 155 | 156 | Returns one of {TJsonRpcObjectType}. 157 | 158 | #### Method: IJsonRpcParsedMessage.GetMessagePayload 159 | 160 | Returns stored ref to {IJsonRpcMessage}. 161 | 162 | 163 | ### Class: TJsonRpcParsedMessage 164 | 165 | Realizes interface {IJsonRpcParsedMessage}. 166 | 167 | #### Constructor: TJsonRpcParsedMessage.Create(objType, payload) 168 | 169 | Create an instance. 170 | 171 | Params: 172 | - `objType`: {TJsonRpcObjectType} message format type 173 | - `payload`: {IJsonRpcMessage} message body 174 | 175 | 176 | ### Interface: IJsonRpcError 177 | 178 | #### Method: IJsonRpcError.GetCode 179 | 180 | Returns error code as {Integer}. 181 | 182 | #### Method: IJsonRpcError.GetMessage 183 | 184 | Returns error message as {String}. 185 | 186 | #### Method: IJsonRpcError.GetData 187 | 188 | Returns error Data as {ISuperObject}. 189 | 190 | #### Method: IJsonRpcError.AsJsonObject 191 | 192 | Returns object as {ISuperObject}. 193 | 194 | 195 | ### Class: TJsonRpcError 196 | 197 | Describes JSON-RPC 2.0 Error object. 198 | Realizes interface {IJsonRpcMessage}. 199 | 200 | #### Constructor: TJsonRpcError.Create(code,message[,data]) 201 | 202 | Creates an instance. 203 | 204 | Params: 205 | - `code`: {Integer} 206 | - `message`: {String} 207 | - `data`: {ISuperObject} optional 208 | 209 | Examples: 210 | ```pascal 211 | var error: TJsonRpcError; 212 | error = TJsonRpcError.Create(-32651, 'some error', 'some data'); 213 | ``` 214 | or 215 | ```pascal 216 | var error: TJsonRpcError; 217 | error = TJsonRpcError.Create(-32651, 'some error', SO('{ a: 1, extra: "some data"}')); 218 | ``` 219 | 220 | #### Class Method: TJsonRpcError.InvalidRequest(data) 221 | 222 | Create {TJsonRpcError} object with error code -32600. 223 | 224 | Params: 225 | - `data`: {ISuperObject|nil} - extra data 226 | 227 | #### Class Method: TJsonRpcError.MethodNotFound(data) 228 | 229 | Create {TJsonRpcError} object with error code -32601. 230 | 231 | Params: 232 | - `data`: {ISuperObject|nil} - extra data 233 | 234 | #### Class Method: TJsonRpcError.InvalidParams(data) 235 | 236 | Create {TJsonRpcError} object with error code -32602. 237 | 238 | Params: 239 | - `data`: {ISuperObject|nil} - extra data 240 | 241 | #### Class Method: TJsonRpcError.InternalError(data) 242 | 243 | Create {TJsonRpcError} object with error code -32603. 244 | 245 | Params: 246 | - `data`: {ISuperObject|nil} - extra data 247 | 248 | #### Class Method: TJsonRpcError.ParseError(data) 249 | 250 | Create {TJsonRpcError} object with error code -32700. 251 | 252 | Params: 253 | - `data`: {String} - error text 254 | 255 | 256 | ### Class: TJsonRpcNotificationObject 257 | 258 | Describes JSON-RPC 2.0 Notification object. 259 | Realizes interface {IJsonRpcMessage}. 260 | 261 | #### Constructor: TJsonRpcNotificationObject.Create(method[,params]) 262 | 263 | Creates an instance. 264 | 265 | Params: 266 | - `method`: {String} 267 | - `params`: {TSuperArray|ISuperObject} optional 268 | 269 | For TSuperArray use SA() or SO([array, items]). 270 | 271 | 272 | #### Class Method: TJsonRpcNotificationObject.AsJsonObject 273 | 274 | Returns object as {ISuperObject} 275 | 276 | 277 | ### Class: TJsonRpcRequestObject 278 | 279 | Describes JSON-RPC 2.0 Request object. 280 | Realizes interface {IJsonRpcMessage}. 281 | 282 | #### Constructor: TJsonRpcRequestObject.Create(id, method[,params]) 283 | 284 | Creates an instance. 285 | 286 | Params: 287 | - `id`: {String} 288 | - `method`: {String} 289 | - `params`: {TSuperArray|ISuperObject} optional 290 | 291 | For TSuperArray use SA() or SO([array, items]). 292 | 293 | 294 | #### Class Method: TJsonRpcRequestObject.AsJsonObject 295 | 296 | Returns object as {ISuperObject} 297 | 298 | 299 | ### Class: TJsonRpcSuccessObject 300 | 301 | Describes JSON-RPC 2.0 Success object. 302 | Realizes interface {IJsonRpcMessage}. 303 | 304 | #### Constructor: TJsonRpcSuccessObject.Create(id, result) 305 | 306 | Create a {TJsonRpcSuccessObject} instance. 307 | 308 | Params: 309 | - `id`: {String} 310 | - `result`: {ISuperObject} 311 | 312 | To place scalar value as result use superobject as wrapper: `SO('string value'); SO(921)` 313 | 314 | 315 | #### Class Method: TJsonRpcSuccessObject.AsJsonObject 316 | 317 | Returns object as {ISuperObject} 318 | 319 | 320 | ### Class: TJsonRpcErrorObject 321 | 322 | Describes JSON-RPC 2.0 Error object. 323 | Realizes interface {IJsonRpcMessage}. 324 | 325 | #### Constructor: TJsonRpcErrorObject.Create(id, method[,params]) 326 | 327 | Creates an instance. 328 | 329 | Params: 330 | - `id`: {String} 331 | - `result`: {ISuperObject} 332 | 333 | To place scalar value as result use superobject as wrapper: `SO('string value'); SO(921)` 334 | 335 | 336 | #### Class Method: TJsonRpcErrorObject.AsJsonObject 337 | 338 | Returns object as {ISuperObject} -------------------------------------------------------------------------------- /build/bin/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/build/bin/.keep -------------------------------------------------------------------------------- /build/bin/dunit.ini: -------------------------------------------------------------------------------- 1 | [GUITestRunner Config] 2 | AutoSave=1 3 | Left=358 4 | Top=1 5 | Width=1012 6 | Height=1010 7 | Maximized=0 8 | UseRegistry=0 9 | ResultsPanel.Height=175 10 | ErrorMessage.Height=294 11 | ErrorMessage.Visible=1 12 | FailureList.ColumnWidth[0]=120 13 | FailureList.ColumnWidth[1]=100 14 | FailureList.ColumnWidth[2]=200 15 | FailureList.ColumnWidth[3]=564 16 | HideTestNodesOnOpen=0 17 | BreakOnFailures=0 18 | FailOnNoChecksExecuted=0 19 | FailOnMemoryLeaked=0 20 | IgnoreSetUpTearDownLeaks=0 21 | ReportMemoryLeakTypes=1 22 | SelectTestedNode=1 23 | WarnOnFailTestOverride=0 24 | PopupX=350 25 | PopupY=30 26 | 27 | [Tests.testjsonrpclite.exe.TTestJsonRpc] 28 | 29 | [Tests.testjsonrpclite.exe] 30 | 31 | [Tests.testjsonrpclite.exe.TTestJsonRpcError] 32 | 33 | -------------------------------------------------------------------------------- /build/dcu/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/build/dcu/.keep -------------------------------------------------------------------------------- /examples/customerrors/build/bin/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/examples/customerrors/build/bin/.keep -------------------------------------------------------------------------------- /examples/customerrors/build/dcu/.keep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/examples/customerrors/build/dcu/.keep -------------------------------------------------------------------------------- /examples/customerrors/dunit.ini: -------------------------------------------------------------------------------- 1 | [GUITestRunner Config] 2 | AutoSave=1 3 | Left=175 4 | Top=175 5 | Width=500 6 | Height=500 7 | Maximized=1 8 | UseRegistry=0 9 | ResultsPanel.Height=174 10 | ErrorMessage.Height=75 11 | ErrorMessage.Visible=1 12 | FailureList.ColumnWidth[0]=120 13 | FailureList.ColumnWidth[1]=100 14 | FailureList.ColumnWidth[2]=200 15 | FailureList.ColumnWidth[3]=1248 16 | HideTestNodesOnOpen=0 17 | BreakOnFailures=0 18 | FailOnNoChecksExecuted=1 19 | FailOnMemoryLeaked=1 20 | IgnoreSetUpTearDownLeaks=0 21 | ReportMemoryLeakTypes=0 22 | SelectTestedNode=1 23 | WarnOnFailTestOverride=0 24 | PopupX=350 25 | PopupY=30 26 | 27 | -------------------------------------------------------------------------------- /examples/customerrors/testcustomerrors.dof: -------------------------------------------------------------------------------- 1 | [FileVersion] 2 | Version=7.0 3 | [Compiler] 4 | A=8 5 | B=0 6 | C=1 7 | D=1 8 | E=0 9 | F=0 10 | G=1 11 | H=1 12 | I=1 13 | J=0 14 | K=0 15 | L=1 16 | M=0 17 | N=1 18 | O=0 19 | P=1 20 | Q=1 21 | R=1 22 | S=0 23 | T=0 24 | U=0 25 | V=1 26 | W=1 27 | X=1 28 | Y=1 29 | Z=1 30 | ShowHints=1 31 | ShowWarnings=1 32 | UnitAliases=WinTypes=Windows;WinProcs=Windows;DbiTypes=BDE;DbiProcs=BDE;DbiErrs=BDE; 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138 | [HistoryLists\hlSearchPath] 139 | Count=4 140 | Item0=..\..\source 141 | Item1=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug;.\;..\Source;..\Source\utils 142 | Item2=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug;.\;..\Source 143 | Item3=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug 144 | [HistoryLists\hlUnitOutputDirectory] 145 | Count=1 146 | Item0=..\build\dcu 147 | [HistoryLists\hlOutputDirectorry] 148 | Count=1 149 | Item0=..\build\bin 150 | [HistoryLists\hlBPLOutput] 151 | Count=1 152 | Item0=..\build\bin 153 | -------------------------------------------------------------------------------- /examples/customerrors/testcustomerrors.dpr: -------------------------------------------------------------------------------- 1 | // 2 | // Author: Dmitriy S. Sinyavskiy, 2016 3 | // 4 | 5 | //{$DEFINE DUNIT_CONSOLE_MODE} 6 | 7 | program testcustomerrors; 8 | 9 | {%File '..\..\source\utils\FastMM4Options.inc'} 10 | 11 | uses 12 | FastMM4, 13 | SysUtils, 14 | TestFramework, 15 | TestExtensions, 16 | GUITestRunner, 17 | TextTestRunner, 18 | ujsonrpccustomerrors in 'ujsonrpccustomerrors.pas', 19 | utestcustomerrors in 'utestcustomerrors.pas', 20 | ujsonrpc2 in '..\..\source\ujsonrpc2.pas'; 21 | 22 | {$IFDEF DUNIT_CONSOLE_MODE} 23 | {$APPTYPE CONSOLE} 24 | {$ELSE} 25 | {$R *.RES} 26 | {$ENDIF} 27 | 28 | begin 29 | {$IFDEF DUNIT_CONSOLE_MODE} 30 | if not FindCmdLineSwitch('Graphic', ['-', '/'], True) then 31 | TextTestRunner.RunRegisteredTests(rxbHaltOnFailures) 32 | else 33 | {$ENDIF} 34 | GUITestRunner.RunRegisteredTests; 35 | end. 36 | -------------------------------------------------------------------------------- /examples/customerrors/testcustomerrors.res: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/examples/customerrors/testcustomerrors.res -------------------------------------------------------------------------------- /examples/customerrors/ujsonrpccustomerrors.pas: -------------------------------------------------------------------------------- 1 | // 2 | // Author: Dmitriy S. Sinyavskiy, 2016 3 | // 4 | unit ujsonrpccustomerrors; 5 | 6 | {$IFDEF FPC} 7 | {$MODE objfpc} 8 | {$ENDIF} 9 | 10 | interface 11 | 12 | uses 13 | Classes, SysUtils, superobject, ujsonrpc2; 14 | 15 | type 16 | 17 | { TJsonRpcCustomError } 18 | 19 | TJsonRpcCustomError = class 20 | class function ProcedureException(data: ISuperObject): IJsonRpcError; 21 | overload; 22 | class function ProcedureException(data: string): IJsonRpcError; overload; 23 | class function AuthError(data: ISuperObject): IJsonRpcError; overload; 24 | class function AuthError(data: string): IJsonRpcError; overload; 25 | end; 26 | 27 | implementation 28 | 29 | const 30 | errorProcedureException = 'Procedure Exception'; 31 | codeProcedureException = -32200; 32 | errorAuthError = 'Authentication Error'; 33 | codeAuthError = -32201; 34 | 35 | { TJsonRpcCustomError } 36 | 37 | class function TJsonRpcCustomError.ProcedureException(data: ISuperObject 38 | ): IJsonRpcError; 39 | begin 40 | result := TJsonRpcError.Error(codeProcedureException, errorProcedureException, 41 | data); 42 | end; 43 | 44 | class function TJsonRpcCustomError.ProcedureException( 45 | data: string): IJsonRpcError; 46 | begin 47 | result := TJsonRpcError.Error(codeProcedureException, errorProcedureException, 48 | data); 49 | end; 50 | 51 | class function TJsonRpcCustomError.AuthError(data: ISuperObject): IJsonRpcError; 52 | begin 53 | result := TJsonRpcError.Error(codeAuthError, errorAuthError, data); 54 | end; 55 | 56 | class function TJsonRpcCustomError.AuthError(data: string): IJsonRpcError; 57 | begin 58 | result := TJsonRpcError.Error(codeAuthError, errorAuthError, data); 59 | end; 60 | 61 | end. 62 | -------------------------------------------------------------------------------- /examples/customerrors/utestcustomerrors.pas: -------------------------------------------------------------------------------- 1 | // 2 | // Author: Dmitriy S. Sinyavskiy, 2016 3 | // 4 | unit utestcustomerrors; 5 | 6 | interface 7 | 8 | uses 9 | Windows, SysUtils, Classes, TestFramework, TestExtensions; 10 | 11 | type 12 | TTestCustomErrors = class(TTestCase) 13 | published 14 | procedure TestProcedureExceptionWithDataStr; 15 | procedure TestProcedureExceptionWithDataObj; 16 | procedure TestAuthErrorWithDataStr; 17 | procedure TestAuthErrorWithDataObj; 18 | end; 19 | 20 | implementation 21 | 22 | uses 23 | ujsonrpccustomerrors, ujsonrpc2, superobject; 24 | 25 | procedure TTestCustomErrors.TestAuthErrorWithDataObj; 26 | var 27 | expected, actual: iJsonRpcError; 28 | begin 29 | expected := TJsonRpcError.Create(-32201, 'Authentication Error', 30 | SO('blabla')); 31 | actual := TJsonRpcCustomError.AuthError(SO('blabla')); 32 | CheckEquals(expected.AsJsonObject.AsJSon(), actual.AsJsonObject.AsJSon()); 33 | end; 34 | 35 | procedure TTestCustomErrors.TestAuthErrorWithDataStr; 36 | var 37 | expected, actual: IJsonRpcError; 38 | begin 39 | expected := TJsonRpcError.Create(-32201, 'Authentication Error', 'blabla'); 40 | actual := TJsonRpcCustomError.AuthError('blabla'); 41 | CheckEquals(expected.AsJsonObject.AsJSon(), actual.AsJsonObject.AsJSon()); 42 | end; 43 | 44 | procedure TTestCustomErrors.TestProcedureExceptionWithDataObj; 45 | var 46 | expected, actual: IJsonRpcError; 47 | begin 48 | expected := TJsonRpcError.Create(-32200, 'Procedure Exception', SO('blabla')); 49 | actual := TJsonRpcCustomError.ProcedureException(SO('blabla')); 50 | CheckEquals(expected.AsJsonObject.AsJSon(), actual.AsJsonObject.AsJSon()); 51 | end; 52 | 53 | procedure TTestCustomErrors.TestProcedureExceptionWithDataStr; 54 | var 55 | expected, actual: IJsonRpcError; 56 | begin 57 | expected := TJsonRpcError.Create(-32200, 'Procedure Exception', 'blabla'); 58 | actual := TJsonRpcCustomError.ProcedureException('blabla'); 59 | CheckEquals(expected.AsJsonObject.AsJSon(), actual.AsJsonObject.AsJSon()); 60 | end; 61 | 62 | initialization 63 | TestFramework.RegisterTest(TTestCustomErrors.Suite); 64 | 65 | end. 66 | -------------------------------------------------------------------------------- /json-rpc-projects.bpg: -------------------------------------------------------------------------------- 1 | #------------------------------------------------------------------------------ 2 | VERSION = BWS.01 3 | #------------------------------------------------------------------------------ 4 | !ifndef ROOT 5 | ROOT = $(MAKEDIR)\.. 6 | !endif 7 | #------------------------------------------------------------------------------ 8 | MAKE = $(ROOT)\bin\make.exe -$(MAKEFLAGS) -f$** 9 | DCC = $(ROOT)\bin\dcc32.exe $** 10 | BRCC = $(ROOT)\bin\brcc32.exe $** 11 | #------------------------------------------------------------------------------ 12 | PROJECTS = testjsonrpclite.exe testcustomerrors.exe 13 | #------------------------------------------------------------------------------ 14 | default: $(PROJECTS) 15 | #------------------------------------------------------------------------------ 16 | 17 | testjsonrpclite.exe: projects\testjsonrpclite.dpr 18 | $(DCC) 19 | 20 | testcustomerrors.exe: examples\customerrors\testcustomerrors.dpr 21 | $(DCC) 22 | 23 | 24 | -------------------------------------------------------------------------------- /projects/testjsonrpclite.dof: -------------------------------------------------------------------------------- 1 | [FileVersion] 2 | Version=7.0 3 | [Compiler] 4 | A=8 5 | B=0 6 | C=1 7 | D=1 8 | E=0 9 | F=0 10 | G=1 11 | H=1 12 | I=1 13 | J=0 14 | K=0 15 | L=1 16 | M=0 17 | N=1 18 | O=0 19 | P=1 20 | Q=1 21 | R=1 22 | S=0 23 | T=0 24 | U=0 25 | V=1 26 | W=1 27 | X=1 28 | Y=1 29 | Z=1 30 | ShowHints=1 31 | ShowWarnings=1 32 | UnitAliases=WinTypes=Windows;WinProcs=Windows;DbiTypes=BDE;DbiProcs=BDE;DbiErrs=BDE; 33 | NamespacePrefix= 34 | SymbolDeprecated=1 35 | SymbolLibrary=1 36 | SymbolPlatform=1 37 | UnitLibrary=1 38 | UnitPlatform=1 39 | UnitDeprecated=1 40 | HResultCompat=1 41 | HidingMember=1 42 | HiddenVirtual=1 43 | Garbage=1 44 | BoundsError=1 45 | ZeroNilCompat=1 46 | StringConstTruncated=1 47 | ForLoopVarVarPar=1 48 | TypedConstVarPar=1 49 | AsgToTypedConst=1 50 | CaseLabelRange=1 51 | ForVariable=1 52 | ConstructingAbstract=1 53 | ComparisonFalse=1 54 | ComparisonTrue=1 55 | ComparingSignedUnsigned=1 56 | CombiningSignedUnsigned=1 57 | UnsupportedConstruct=1 58 | FileOpen=1 59 | FileOpenUnitSrc=1 60 | BadGlobalSymbol=1 61 | DuplicateConstructorDestructor=1 62 | InvalidDirective=1 63 | PackageNoLink=1 64 | PackageThreadVar=1 65 | ImplicitImport=1 66 | HPPEMITIgnored=1 67 | NoRetVal=1 68 | UseBeforeDef=1 69 | ForLoopVarUndef=1 70 | UnitNameMismatch=1 71 | NoCFGFileFound=1 72 | MessageDirective=1 73 | ImplicitVariants=1 74 | UnicodeToLocale=1 75 | LocaleToUnicode=1 76 | ImagebaseMultiple=1 77 | SuspiciousTypecast=1 78 | PrivatePropAccessor=1 79 | UnsafeType=0 80 | UnsafeCode=0 81 | UnsafeCast=0 82 | [Linker] 83 | MapFile=3 84 | OutputObjs=0 85 | ConsoleApp=1 86 | DebugInfo=0 87 | RemoteSymbols=0 88 | MinStackSize=16384 89 | MaxStackSize=1048576 90 | ImageBase=4194304 91 | ExeDescription= 92 | [Directories] 93 | OutputDir=..\build\bin 94 | UnitOutputDir=..\build\dcu 95 | PackageDLLOutputDir=..\build\bin 96 | PackageDCPOutputDir= 97 | SearchPath=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug;.\;..\Source;..\Source\utils 98 | Packages=vcl;rtl;dbrtl;inet;inetdb;dsnap;bdertl;vclx;vcldb;vcldbx;visualclx;visualdbclx;vclactnband;vclshlctrls;vclie;xmlrtl;inetdbbde;inetdbxpress;webdsnap;soaprtl;websnap;adortl;dbexpress;dsnapcon;dbxcds;ibxpress;teeui;teedb;tee;dclOfficeXP;VclNewlyext;JclDeveloperTools;Jcl;JclVcl;JclContainers;madBasic_;madDisAsm_;madExcept_;ZComponent;ZParseSql;ZCore;ZDbc;ZPlain 99 | Conditionals=DEBUG;FastMM 100 | DebugSourceDirs= 101 | UsePackages=0 102 | [Parameters] 103 | RunParams= 104 | HostApplication= 105 | Launcher= 106 | UseLauncher=0 107 | DebugCWD= 108 | [Language] 109 | ActiveLang= 110 | ProjectLang= 111 | RootDir=C:\Program Files\Borland\Delphi7\Bin\ 112 | [Version Info] 113 | IncludeVerInfo=0 114 | AutoIncBuild=0 115 | MajorVer=1 116 | MinorVer=0 117 | Release=0 118 | Build=0 119 | Debug=0 120 | PreRelease=0 121 | Special=0 122 | Private=0 123 | DLL=0 124 | Locale=1049 125 | CodePage=1251 126 | [Version Info Keys] 127 | FileVersion=1.0.0.0 128 | [Excluded Packages] 129 | c:\program files\borland\delphi7\Bin\dclindy70.bpl=Internet Direct (Indy) for D7 Property and Component Editors 130 | [HistoryLists\hlConditionals] 131 | Count=3 132 | Item0=Debug;FastMM 133 | Item1=FastMM 134 | Item2=DEBUG 135 | [HistoryLists\hlUnitAliases] 136 | Count=1 137 | Item0=WinTypes=Windows;WinProcs=Windows;DbiTypes=BDE;DbiProcs=BDE;DbiErrs=BDE; 138 | [HistoryLists\hlSearchPath] 139 | Count=4 140 | Item0=..\..\source 141 | Item1=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug;.\;..\Source;..\Source\utils 142 | Item2=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug;.\;..\Source 143 | Item3=$(DELPHI)\Lib\Debug;D:\DELPHI~1\JCL\official\JCL-26~1.517\lib\d7\debug;D:\DELPHI~1\JCL\official\JCL-27~1.567\lib\d7\debug 144 | [HistoryLists\hlUnitOutputDirectory] 145 | Count=1 146 | Item0=..\build\dcu 147 | [HistoryLists\hlOutputDirectorry] 148 | Count=1 149 | Item0=..\build\bin 150 | [HistoryLists\hlBPLOutput] 151 | Count=1 152 | Item0=..\build\bin 153 | -------------------------------------------------------------------------------- /projects/testjsonrpclite.dpr: -------------------------------------------------------------------------------- 1 | // 2 | // Author: Dmitriy S. Sinyavskiy, 2016 3 | // 4 | 5 | //{$DEFINE DUNIT_CONSOLE_MODE} 6 | 7 | program testjsonrpclite; 8 | 9 | {%File '..\source\utils\FastMM4Options.inc'} 10 | 11 | uses 12 | FastMM4, 13 | SysUtils, 14 | TestFramework, 15 | TestExtensions, 16 | GUITestRunner, 17 | TextTestRunner, 18 | testjsonrpc in '..\test\testjsonrpc.pas', 19 | testjsonrpcerrors in '..\test\testjsonrpcerrors.pas', 20 | ujsonrpc2 in '..\source\ujsonrpc2.pas'; 21 | 22 | {$IFDEF DUNIT_CONSOLE_MODE} 23 | {$APPTYPE CONSOLE} 24 | {$ELSE} 25 | {$R *.RES} 26 | {$ENDIF} 27 | 28 | begin 29 | {$IFDEF DUNIT_CONSOLE_MODE} 30 | if not FindCmdLineSwitch('Graphic', ['-','/'], True) then 31 | TextTestRunner.RunRegisteredTests(rxbHaltOnFailures) 32 | else 33 | {$ENDIF} 34 | GUITestRunner.RunRegisteredTests; 35 | end. 36 | -------------------------------------------------------------------------------- /source/ujsonrpc2.pas: -------------------------------------------------------------------------------- 1 | // 2 | // Author: Dmitriy S. Sinyavskiy, 2017 3 | // 4 | unit ujsonrpc2; 5 | {$IFDEF FPC} 6 | {$MODE objfpc} 7 | {$H+} // make string type AnsiString 8 | {$ENDIF} 9 | 10 | interface 11 | 12 | uses 13 | Classes, 14 | SysUtils, 15 | superobject; 16 | 17 | type 18 | IJsonRpcMessage = interface 19 | ['{E9536C8C-5789-4ED1-BAEB-331E6B4CE70A}'] 20 | function AsJSON(indent: boolean = false; escape: boolean = true): string; 21 | function AsJsonObject: ISuperObject; 22 | end; 23 | 24 | { TJsonRpcObjectType } 25 | 26 | // Parsed RPC message types 27 | TJsonRpcObjectType = (jotInvalid, jotRequest, jotNotification, jotSuccess, 28 | jotError); 29 | 30 | IJsonRpcParsedMessage = interface 31 | ['{9BC6D534-8EA4-4D5D-9D35-358D717D91DA}'] 32 | function GetMessageType: TJsonRpcObjectType; 33 | function GetMessagePayload: IJsonRpcMessage; 34 | end; 35 | 36 | IJsonRpcError = interface 37 | ['{574043CE-CA33-462F-AF52-49C5B63FF58B}'] 38 | function GetCode: Integer; 39 | function GetMessage: string; 40 | function GetData: ISuperObject; 41 | function AsJsonObject: ISuperObject; 42 | // props 43 | property Code: Integer read GetCode; 44 | property Message: string read GetMessage; 45 | property Data: ISuperObject read GetData; 46 | end; 47 | 48 | TJsonRpcRequestObject = class; 49 | TJsonRpcNotificationObject = class; 50 | TJsonRpcSuccessObject = class; 51 | TJsonRpcErrorObject = class; 52 | TJsonRpcError = class; 53 | 54 | { TJsonRpcMessage } 55 | 56 | TJsonRpcMessage = class(TInterfacedObject, IJsonRpcMessage) 57 | class function Request(const id: string; const method: string; 58 | params: ISuperObject): TJsonRpcRequestObject; 59 | class function Notification(const method: string; 60 | params: ISuperObject): TJsonRpcNotificationObject; overload; 61 | class function Notification(const method: string): 62 | TJsonRpcNotificationObject; 63 | overload; 64 | class function Success(const id: string; 65 | resultData: ISuperObject): TJsonRpcSuccessObject; overload; 66 | class function Error(const id: string; 67 | errorInfo: IJsonRpcError): TJsonRpcErrorObject; overload; 68 | class function Error(errorInfo: IJsonRpcError): TJsonRpcErrorObject; 69 | overload; 70 | class function Parse(const s: string; 71 | out AParseError: IJsonRpcError): IJsonRpcParsedMessage; 72 | public 73 | function AsJSON(indent: boolean = false; escape: boolean = true): string; 74 | function AsJsonObject: ISuperObject; virtual; abstract; 75 | end; 76 | 77 | { TJsonRpcNotificationObject } 78 | 79 | TJsonRpcNotificationObject = class(TJsonRpcMessage, IJsonRpcMessage) 80 | private 81 | FMethod: string; 82 | FParams: ISuperObject; 83 | public 84 | constructor Create(const AMethod: string; AParams: ISuperObject); overload; 85 | constructor Create(const aMethod: string); overload; 86 | function AsJsonObject: ISuperObject; override; 87 | published 88 | property Method: string read FMethod; 89 | property Params: ISuperObject read FParams; 90 | end; 91 | 92 | { TJsonRpcRequestObject } 93 | 94 | TJsonRpcRequestObject = class(TJsonRpcNotificationObject, IJsonRpcMessage) 95 | private 96 | FID: string; 97 | public 98 | constructor Create(const aID: string; const aMethod: string; aParams: 99 | ISuperObject); 100 | function AsJsonObject: ISuperObject; override; 101 | published 102 | property ID: string read FID; 103 | property Method; 104 | property Params; 105 | end; 106 | 107 | { TJsonRpcSuccessObject } 108 | 109 | TJsonRpcSuccessObject = class(TJsonRpcMessage, IJsonRpcMessage) 110 | private 111 | FID: string; 112 | FResult: ISuperObject; 113 | public 114 | constructor Create(const aID: string; AResult: ISuperObject); 115 | function AsJsonObject: ISuperObject; override; 116 | published 117 | property ID: string read FID; 118 | // Holds Variant type object, can be string, ISuperObject, Int, etc 119 | // Use GetResult.DataType property to detect actual type. 120 | property Result: ISuperObject read FResult; 121 | end; 122 | 123 | { TJsonRpcErrorObject } 124 | 125 | // ErrorObject message contains id and errorInfo 126 | TJsonRpcErrorObject = class(TJsonRpcMessage, IJsonRpcMessage) 127 | private 128 | FErrorInfo: IJsonRpcError; 129 | FID: string; 130 | public 131 | constructor Create(AErrorInfo: IJsonRpcError); overload; 132 | constructor Create(const AID: string; AErrorInfo: IJsonRpcError); overload; 133 | function AsJsonObject: ISuperObject; override; 134 | published 135 | property ID: string read FID; 136 | property ErrorInfo: IJsonRpcError read FErrorInfo; 137 | end; 138 | 139 | { TJsonRpcParsedMessage } 140 | 141 | // Represents parsed result, contains type of parsed message and parsed 142 | // data as one of TJsonRpcRequestObject, TJsonRpcNotificationObject, 143 | // TJsonRpcSuccessObject, TJsonRpcErrorObject 144 | TJsonRpcParsedMessage = class(TInterfacedObject, IJsonRpcParsedMessage) 145 | private 146 | FObjType: TJsonRpcObjectType; 147 | FPayload: IJsonRpcMessage; 148 | public 149 | constructor Create(const objType: TJsonRpcObjectType; 150 | Payload: IJsonRpcMessage); 151 | destructor Destroy; override; 152 | function GetMessageType: TJsonRpcObjectType; 153 | function GetMessagePayload: IJsonRpcMessage; 154 | end; 155 | 156 | { TJsonRpcError } 157 | 158 | // Error information: code, message, data 159 | TJsonRpcError = class(TInterfacedObject, IJsonRpcError) 160 | class function Error(const code: integer; const message: string; data: 161 | ISuperObject): IJsonRpcError; overload; 162 | class function Error(const code: integer; const message: string; dataStr: 163 | string): IJsonRpcError; overload; 164 | class function ParseError(data: string): IJsonRpcError; 165 | class function InvalidRequest(data: ISuperObject): IJsonRpcError; overload; 166 | class function InvalidRequest(data: string): IJsonRpcError; overload; 167 | class function MethodNotFound(data: ISuperObject): IJsonRpcError; overload; 168 | class function MethodNotFound(data: string): IJsonRpcError; overload; 169 | class function InvalidParams(data: ISuperObject): IJsonRpcError; overload; 170 | class function InvalidParams(data: string): IJsonRpcError; overload; 171 | class function InternalError(data: ISuperObject): IJsonRpcError; overload; 172 | class function InternalError(data: string): IJsonRpcError; overload; 173 | private 174 | FCode: Integer; 175 | FData: ISuperObject; 176 | FMessage: string; 177 | public 178 | constructor Create(const code: integer; const message: string); overload; 179 | constructor Create(const code: integer; const message: string; 180 | data: ISuperObject); overload; 181 | constructor Create(const code: integer; const message: string; 182 | data: string); overload; 183 | function GetCode: Integer; 184 | function GetMessage: string; 185 | function GetData: ISuperObject; 186 | function AsJsonObject: ISuperObject; 187 | published 188 | property Code: Integer read GetCode; 189 | property Message: string read GetMessage; 190 | property Data: ISuperObject read GetData; 191 | end; 192 | 193 | const 194 | JSON_RPC_VERSION_2 = '2.0'; 195 | 196 | FIELD_JSONRPC = 'jsonrpc'; 197 | FIELD_ID = 'id'; 198 | FIELD_METHOD = 'method'; 199 | FIELD_PARAMS = 'params'; 200 | FIELD_RESULT = 'result'; 201 | FIELD_ERROR = 'error'; 202 | FIELD_ERROR_CODE = 'code'; 203 | FIELD_ERROR_MSG = 'message'; 204 | FIELD_ERROR_DATA = 'data'; 205 | 206 | ERROR_INVALID_JSONRPC_VER = 207 | 'Invalid JSON-RPC Version. Supported JSON-RPC 2.0 only'; 208 | ERROR_NO_JSONRPC_FIELD = 'No ''jsonrpc'' field present'; 209 | ERROR_NO_ID_FIELD = 'No ''id'' field present'; 210 | ERROR_NO_METHOD_FIELD = 'No ''method'' field present'; 211 | ERROR_NO_RESULT_FIELD = 'No ''result'' field present'; 212 | ERROR_NO_ERROR_FIELD = 'No ''error'' field present'; 213 | ERROR_INVALID_REQUEST_ID = 214 | 'Invalid Request ''id'', MUST BE not empty string or integer'; 215 | ERROR_INVALID_REQUEST_ID_TYPE = 216 | 'Invalid Request ''id'' data type, it should be string or integer'; 217 | ERROR_INVALID_ERROR_ID_TYPE = 218 | 'Invalid Error ''id'' data type, it should be string or integer'; 219 | ERROR_INVALID_ERROR_ID = 220 | 'Invalid Error ''id'', MUST BE not empty string, integer or null'; 221 | ERROR_INVALID_METHOD_NAME = 'Empty ''method'' field'; 222 | ERROR_INVALID_ERROR_OBJ = 'Invalid ''error'' object'; 223 | ERROR_INVALID_ERROR_CODE = 224 | 'Invalid ''error.code'', it MUST BE in the range [-32768..-32000]'; 225 | ERROR_INVALID_ERROR_MSG = 'Empty ''error.message'''; 226 | 227 | PRC_ERR_INVALID_REQUEST = 'Invalid Request'; 228 | PRC_ERR_METHOD_NOT_FOUND = 'Method Not Found'; 229 | RPC_ERR_INVALID_PARAMS = 'Invalid Params'; 230 | RPC_ERR_INTERNAL_ERROR = 'Internal Error'; 231 | RPC_ERR_PARSE_ERROR = 'Parse Error'; 232 | 233 | CODE_INVALID_REQUEST = -32600; 234 | CODE_METHOD_NOT_FOUND = -32601; 235 | CODE_INVALID_PARAMS = -32602; 236 | CODE_INTERNAL_ERROR = -32603; 237 | CODE_PARSE_ERROR = -32700; 238 | 239 | implementation 240 | 241 | const 242 | S_EMPTY_STR = ''; 243 | 244 | { TJsonRpcMessage } 245 | 246 | function TJsonRpcMessage.AsJSON(indent: boolean; escape: boolean): string; 247 | begin 248 | Result := AsJsonObject.AsJSon(indent, escape); 249 | end; 250 | 251 | { TJsonRpcMessage } 252 | 253 | // Creates JSON-RPC 2.0 request object 254 | // @param {String} id 255 | // @param {String} method 256 | // @param {ISuperObject} [params]: optional 257 | // @return {ISuperObject} JsonRpc object 258 | 259 | class function TJsonRpcMessage.Request(const id: string; 260 | const method: string; params: ISuperObject): TJsonRpcRequestObject; 261 | begin 262 | result := TJsonRpcRequestObject.Create(id, method, params); 263 | end; 264 | 265 | // Creates JSON-RPC 2.0 notification object 266 | // @param {String} method 267 | // @param {ISuperObject} [params] 268 | // @return {ISuperObject} JsonRpc object 269 | 270 | class function TJsonRpcMessage.Notification(const method: string; 271 | params: ISuperObject): TJsonRpcNotificationObject; 272 | begin 273 | Result := TJsonRpcNotificationObject.Create(method, params); 274 | end; 275 | 276 | // Creates JSON-RPC 2.0 notification object 277 | // @param {String} method 278 | // @return {ISuperObject} JsonRpc object 279 | 280 | class function TJsonRpcMessage.Notification(const method: string): 281 | TJsonRpcNotificationObject; 282 | begin 283 | result := TJsonRpcMessage.Notification(method, nil); 284 | end; 285 | 286 | // Creates JSON-RPC 2.0 success object 287 | // @param {string} id 288 | // @param {ISuperObject} requestResult 289 | // @return {ISuperObject} JsonRpc object 290 | 291 | class function TJsonRpcMessage.Success(const id: string; 292 | resultData: ISuperObject): TJsonRpcSuccessObject; 293 | begin 294 | result := TJsonRpcSuccessObject.Create(id, resultData); 295 | end; 296 | 297 | // Creates JSON-RPC 2.0 error object 298 | // @param {string} id 299 | // @param {ISuperObject} error 300 | // @return {ISuperObject} JsonRpc object 301 | 302 | class function TJsonRpcMessage.Error(const id: string; 303 | errorInfo: IJsonRpcError): TJsonRpcErrorObject; 304 | begin 305 | result := TJsonRpcErrorObject.Create(id, errorInfo); 306 | end; 307 | 308 | // Creates JSON-RPC 2.0 error object 309 | // @param {ISuperObject} error 310 | // @return {ISuperObject} JsonRpc object 311 | 312 | class function TJsonRpcMessage.Error(errorInfo: IJsonRpcError): 313 | TJsonRpcErrorObject; 314 | begin 315 | result := TJsonRpcErrorObject.Create(errorInfo); 316 | end; 317 | 318 | // 319 | // @return TJsonRpcParsedMessage 320 | // 321 | 322 | // Returns nil if ERROR and AParseError contains error info, 323 | // else IJsonRpcParsedMessage 324 | 325 | class function TJsonRpcMessage.Parse(const s: string; 326 | out AParseError: IJsonRpcError): IJsonRpcParsedMessage; 327 | 328 | // checks if 'id' field present in JSON 329 | function SubIsIdPresent(AJsonObj: ISuperObject): boolean; 330 | begin 331 | Result := AJsonObj.AsObject.Exists(FIELD_ID); 332 | end; 333 | 334 | // Checks if 'id' field present in JSON and has valid data type 335 | // for RPC Request object 336 | function SubIsRequestIdDefValid(AJsonObj: ISuperObject): boolean; 337 | begin 338 | // Request MUST have id value string or integer 339 | Result := SubIsIdPresent(AJsonObj) 340 | and (AJsonObj.O[FIELD_ID].DataType in [stInt, stString]); 341 | end; 342 | 343 | // Checks if 'id' field have valid value 344 | function SubIsRequestIdValueValid(AJsonObj: ISuperObject): Boolean; 345 | begin 346 | Result := SubIsRequestIdDefValid(AJsonObj) 347 | and (Trim(AJsonObj.S[FIELD_ID]) <> S_EMPTY_STR) 348 | end; 349 | 350 | // Checks if 'id' field present in JSON and has valid data type 351 | // for RPC Error Object 352 | function SubIsErrorIdDefValid(AJsonObj: ISuperObject): boolean; 353 | begin 354 | // errors MUST have id=null for Invalid Request, Parse Error 355 | Result := SubIsIdPresent(AJsonObj) 356 | and (AJsonObj.O[FIELD_ID].DataType in [stInt, stString, stNull]); 357 | end; 358 | 359 | // Checks if 'id' field have valid value for RPC Error Object 360 | function SubIsErrorIdValueValid(AJsonObj: ISuperObject): Boolean; 361 | begin 362 | Result := SubIsErrorIdDefValid(AJsonObj) 363 | and ( 364 | (Trim(AJsonObj.S[FIELD_ID]) <> S_EMPTY_STR) 365 | or 366 | ObjectIsNull(AJsonObj.O[FIELD_ID]) 367 | ); 368 | end; 369 | 370 | // Checks if 'method' field present in JSON 371 | function SubIsMethodPresent(AJsonObj: ISuperObject): boolean; 372 | begin 373 | Result := AJsonObj.AsObject.Exists(FIELD_METHOD); 374 | end; 375 | 376 | // Checks if 'method' field has valid data type 377 | function SubIsMethodDefValid(AJsonObj: ISuperObject): boolean; 378 | begin 379 | result := SubIsMethodPresent(AJsonObj) 380 | and (AJsonObj.O[FIELD_METHOD].DataType in [stString]); 381 | end; 382 | 383 | // Checks if 'method' field has valid structure and value 384 | function SubIsMethodValid(AJsonObj: ISuperObject): boolean; 385 | begin 386 | result := SubIsMethodDefValid(AJsonObj) 387 | and (Trim(AJsonObj.S[FIELD_METHOD]) <> S_EMPTY_STR); 388 | end; 389 | 390 | // Checks if 'params' field present in JSON 391 | function SubIsParamsPresent(AJsonObj: ISuperObject): boolean; 392 | begin 393 | Result := AJsonObj.AsObject.Exists(FIELD_PARAMS); 394 | end; 395 | 396 | // Checks if 'params' field has valid structure and data type 397 | function SubIsParamsDefValid(AJsonObj: ISuperObject): boolean; 398 | begin 399 | Result := SubIsParamsPresent(AJsonObj) 400 | and (AJsonObj.O[FIELD_PARAMS].DataType in [stArray, stObject]); 401 | end; 402 | 403 | // Checks if 'result' field present in JSON 404 | function SubIsResultPresent(AJsonObj: ISuperObject): boolean; 405 | begin 406 | Result := AJsonObj.AsObject.Exists(FIELD_RESULT); 407 | end; 408 | 409 | // Checks if 'error' field present in JSON 410 | function SubIsErrorPresent(AJsonObj: ISuperObject): boolean; 411 | begin 412 | Result := AJsonObj.AsObject.Exists(FIELD_ERROR); 413 | end; 414 | 415 | // Checks if RPC Error object has valid strucure 416 | function SubIsErrorObjDefValid(AJsonObj: ISuperObject): boolean; 417 | var 418 | errInfo: ISuperObject; 419 | errCodeDefValid, messageDefValid: boolean; 420 | begin 421 | Result := SubIsErrorPresent(AJsonObj); 422 | errInfo := AJsonObj.O[FIELD_ERROR]; 423 | errCodeDefValid := errInfo.AsObject.Exists(FIELD_ERROR_CODE) 424 | and (errInfo.O[FIELD_ERROR_CODE].DataType in [stInt]); 425 | messageDefValid := errInfo.AsObject.Exists(FIELD_ERROR_MSG) 426 | and (errInfo.O[FIELD_ERROR_MSG].DataType in [stString]); 427 | // 'data':any optional 428 | Result := Result and errCodeDefValid and messageDefValid; 429 | end; 430 | 431 | // Checks Error Code in allowed range 432 | function SubIsErrorCodeValid(const ACode: Integer): boolean; 433 | begin 434 | Result := (ACode <= -32000) and (ACode >= -32768); 435 | end; 436 | 437 | // Checks if 'error.message' not empty 438 | function SubIsErrorMessageValid(const AMsg: string): boolean; 439 | begin 440 | Result := (Trim(AMsg) <> S_EMPTY_STR); 441 | end; 442 | 443 | // Detects RPC message type by structure ONLY, no value checks here. 444 | // Do value validation in SubParse* functions. 445 | function SubGetMessageType(AJsonObj: ISuperObject): TJsonRpcObjectType; 446 | var 447 | ItLooksLikeNotification, 448 | ItLooksLikeRequest, 449 | ItLooksLikeSuccess, 450 | ItLooksLikeError: boolean; 451 | begin 452 | Result := jotInvalid; 453 | // MUST have 'method':str and MUST NOT have 'id' 454 | ItLooksLikeNotification := not SubIsIdPresent(AJsonObj) 455 | and SubIsMethodDefValid(AJsonObj); 456 | if ItLooksLikeNotification then 457 | begin 458 | Result := jotNotification; 459 | Exit; 460 | end; 461 | // MUST have 'id':str/int, 'method':str 462 | ItLooksLikeRequest := SubIsRequestIdDefValid(AJsonObj) 463 | and SubIsMethodDefValid(AJsonObj); 464 | if ItLooksLikeRequest then 465 | begin 466 | Result := jotRequest; 467 | Exit; 468 | end; 469 | // MUST have 'id':str/int, 'result':any 470 | ItLooksLikeSuccess := SubIsRequestIdDefValid(AJsonObj) 471 | and SubIsResultPresent(AJsonObj); 472 | if ItLooksLikeSuccess then 473 | begin 474 | Result := jotSuccess; 475 | Exit; 476 | end; 477 | // MUST have 'id':str/int/null, 'error':errorInfo 478 | // where errorInfo = {code:int, message:str, data:any optional} 479 | ItLooksLikeError := SubIsErrorIdDefValid(AJsonObj) 480 | and SubIsErrorObjDefValid(AJsonObj); 481 | if ItLooksLikeError then 482 | begin 483 | Result := jotError; 484 | Exit; 485 | end; 486 | end; 487 | 488 | // 489 | // Parsing Errors detecting functions named SubCheck* 490 | // 491 | // Checks 'jsonrpc' field exists and valid. 492 | // Returns IJsonRpcError if not OK, or nil if no error 493 | function SubCheckHeader(AJsonObj: ISuperObject): IJsonRpcError; 494 | begin 495 | Result := nil; 496 | if not AJsonObj.AsObject.Exists(FIELD_JSONRPC) then 497 | begin 498 | Result := TJsonRpcError.InvalidRequest(SO(ERROR_NO_JSONRPC_FIELD)); 499 | Exit; 500 | end; 501 | if AJsonObj.S[FIELD_JSONRPC] <> JSON_RPC_VERSION_2 then 502 | begin 503 | Result := TJsonRpcError.invalidRequest(SO(ERROR_INVALID_JSONRPC_VER)); 504 | Exit; 505 | end; 506 | end; 507 | 508 | // Checks 'id' field exists, has corect type and not empty 509 | // for RPC Request Object. 510 | // Returns nil and not empty AFoundId if OK, 511 | // else IJsonRpcError and empty AFoundId. 512 | function SubCheckRequestId(AJsonObj: ISuperObject; 513 | var AFoundId: string): IJsonRpcError; 514 | begin 515 | Result := nil; 516 | // check: 1.present, 2.structure, 3.value 517 | // check: present 518 | if not SubIsIdPresent(AJsonObj) then 519 | begin 520 | Result := TJsonRpcError.InvalidRequest(ERROR_NO_ID_FIELD); 521 | Exit; 522 | end; 523 | AFoundId := AJsonObj.S[FIELD_ID]; 524 | // check: structure 525 | if not SubIsRequestIdDefValid(AJsonObj) then 526 | begin 527 | Result := TJsonRpcError.InvalidRequest(ERROR_INVALID_REQUEST_ID_TYPE); 528 | Exit; 529 | end; 530 | // check: value 531 | if not SubIsRequestIdValueValid(AJsonObj) then 532 | begin 533 | Result := TJsonRpcError.InvalidRequest(ERROR_INVALID_REQUEST_ID); 534 | Exit; 535 | end; 536 | end; 537 | 538 | // Checks 'id' field exists, has corect type and not empty or null 539 | // for RPC Error Object. 540 | // Returns nil and not empty AFoundId if OK, 541 | // else TJsonRpcError and empty AFoundId. 542 | function SubCheckErrorId(AJsonObj: ISuperObject; 543 | var AFoundErrorId: ISuperObject): IJsonRpcError; 544 | begin 545 | Result := nil; 546 | if not SubIsIdPresent(AJsonObj) then 547 | begin 548 | Result := TJsonRpcError.InvalidRequest(ERROR_NO_ID_FIELD); 549 | Exit; 550 | end; 551 | AFoundErrorId := AJsonObj.O[FIELD_ID]; 552 | if not SubIsErrorIdDefValid(AJsonObj) then 553 | begin 554 | Result := TJsonRpcError.InvalidRequest(ERROR_INVALID_ERROR_ID_TYPE); 555 | Exit; 556 | end; 557 | if not SubIsErrorIdValueValid(AJsonObj) then 558 | begin 559 | Result := TJsonRpcError.InvalidRequest(ERROR_INVALID_ERROR_ID); 560 | Exit; 561 | end; 562 | end; 563 | 564 | // Checks 'method' field exists and not empty. 565 | // Returns nil and not empty AFoundMethod if OK, 566 | // else IJsonRpcError and empty AFoundMethod. 567 | function SubCheckMethod(AJsonObj: ISuperObject; 568 | var AFoundMethod: string): IJsonRpcError; 569 | begin 570 | Result := nil; 571 | if not SubIsMethodPresent(AJsonObj) then 572 | begin 573 | Result := TJsonRpcError.InvalidRequest(ERROR_NO_METHOD_FIELD); 574 | Exit; 575 | end; 576 | AFoundMethod := AJsonObj.S[FIELD_METHOD]; 577 | if SubIsMethodValid(AJsonObj) then 578 | Exit; 579 | Result := TJsonRpcError.InvalidRequest(ERROR_INVALID_METHOD_NAME); 580 | end; 581 | 582 | // Checks 'result' field exists, returns IJsonRpcError if not exists 583 | // or nil if no error 584 | function SubCheckResult(AJsonObj: ISuperObject): IJsonRpcError; 585 | begin 586 | Result := nil; 587 | if not SubIsResultPresent(AJsonObj) then 588 | begin 589 | Result := TJsonRpcError.InvalidRequest(ERROR_NO_RESULT_FIELD); 590 | Exit; 591 | end; 592 | end; 593 | 594 | // Checks 'error' field exists and has valid structure. 595 | // Returns IJsonRpcError if not OK, or nil if no error 596 | function SubCheckErrorInfo(AJsonObj: ISuperObject): IJsonRpcError; 597 | var 598 | errObj: ISuperObject; 599 | begin 600 | Result := nil; 601 | if not SubIsErrorPresent(AJsonObj) then 602 | begin 603 | Result := TJsonRpcError.InvalidParams(SO(ERROR_NO_ERROR_FIELD)); 604 | Exit; 605 | end; 606 | if not SubIsErrorObjDefValid(AJsonObj) then 607 | begin 608 | Result := TJsonRpcError.InvalidParams(SO(ERROR_INVALID_ERROR_OBJ)); 609 | Exit; 610 | end; 611 | if not SubIsErrorIdValueValid(AJsonObj) then 612 | begin 613 | Result := TJsonRpcError.InvalidParams(SO(ERROR_INVALID_ERROR_ID)); 614 | Exit; 615 | end; 616 | errObj := AJsonObj.O[FIELD_ERROR]; 617 | if not SubIsErrorMessageValid(errObj.S[FIELD_ERROR_MSG]) then 618 | begin 619 | Result := TJsonRpcError.InvalidParams(SO(ERROR_INVALID_ERROR_MSG)); 620 | Exit; 621 | end; 622 | if not SubIsErrorCodeValid(errObj.I[FIELD_ERROR_CODE]) then 623 | begin 624 | Result := TJsonRpcError.InvalidParams(SO(ERROR_INVALID_ERROR_CODE)); 625 | Exit; 626 | end; 627 | end; 628 | 629 | // 630 | // PARSE RPC OBJECTS FUNCTIONS 631 | // 632 | 633 | // Tries to parse JSON as JSON-RPC NOTIFICATION 634 | // Returns TJsonRpcNotificationObject if OK (AParseError=nil), 635 | // else 'nil' and AParseError contains error information. 636 | function SubParseNotification(AJsonObj: ISuperObject; 637 | out AParseError: IJsonRpcError): IJsonRpcMessage; 638 | var 639 | method: string; 640 | params: ISuperObject; 641 | begin 642 | // If NOTIFICATION there is no ID, 'method' MUST be present, 643 | // 'params' MAY be omitted 644 | params := nil; 645 | AParseError := SubCheckMethod(AJsonObj, method); 646 | if Assigned(AParseError) then 647 | Exit; 648 | // NOTIFICATION FOUND! 649 | params := AJsonObj.O[FIELD_PARAMS]; 650 | Result := TJsonRpcMessage.Notification(method, params); 651 | end; 652 | 653 | // Tries to parse JSON as JSON-RPC REQUEST 654 | // Returns TJsonRpcRequestObject if OK (AParseError=nil), 655 | // else 'nil' and AParseError contains error information. 656 | function SubParseRequest(AJsonObj: ISuperObject; 657 | out AParseError: IJsonRpcError): IJsonRpcMessage; 658 | var 659 | id, method: string; 660 | params: ISuperObject; 661 | begin 662 | // In Reqest fields 'ID', 'method' MUST be present, 663 | // 'params' MAY be omitted 664 | AParseError := SubCheckRequestId(AJsonObj, id); 665 | if Assigned(AParseError) then 666 | Exit; 667 | AParseError := SubCheckMethod(AJsonObj, method); 668 | if Assigned(AParseError) then 669 | Exit; 670 | // REQUEST FOUND! 671 | params := AJsonObj.O[FIELD_PARAMS]; 672 | Result := TJsonRpcMessage.Request(id, method, params); 673 | end; 674 | 675 | // Tries to parse JSON as JSON-RPC Success Object 676 | // Returns TJsonRpcRequestObject if OK (AParseError=nil), 677 | // else 'nil' and AParseError contains error information. 678 | function SubParseSucess(AJsonObj: ISuperObject; 679 | out AParseError: IJsonRpcError): IJsonRpcMessage; 680 | var 681 | id: string; 682 | resultData: ISuperObject; 683 | begin 684 | // fields 'ID', 'result' MUST be present 685 | AParseError := SubCheckRequestId(AJsonObj, id); 686 | if Assigned(AParseError) then 687 | Exit; 688 | AParseError := SubCheckResult(AJsonObj); 689 | if Assigned(AParseError) then 690 | Exit; 691 | // SUCCESS OBJECT FOUND! 692 | resultData := AJsonObj.O[FIELD_RESULT]; 693 | Result := TJsonRpcMessage.Success(id, resultData); 694 | end; 695 | 696 | // Tries to parse JSON as JSON-RPC Error Object 697 | // Returns TJsonRpcRequestObject if OK (AParseError=nil), 698 | // else 'nil' and AParseError contains error information. 699 | function SubParseError(AJsonObj: ISuperObject; 700 | out AParseError: IJsonRpcError): IJsonRpcMessage; 701 | var 702 | id: ISuperObject; 703 | errInfo: ISuperObject; 704 | errorData: IJsonRpcError; 705 | begin 706 | // fields 'ID', 'error' MUST be present 707 | AParseError := SubCheckErrorId(AJsonObj, id); 708 | if Assigned(AParseError) then 709 | Exit; 710 | AParseError := SubCheckErrorInfo(AJsonObj); 711 | if Assigned(AParseError) then 712 | Exit; 713 | // ERROR OBJECT FOUND! 714 | errInfo := AJsonObj.O[FIELD_ERROR]; 715 | errorData := TJsonRpcError.Create(errInfo.I[FIELD_ERROR_CODE], 716 | errInfo.S[FIELD_ERROR_MSG], errInfo.O[FIELD_ERROR_DATA]); 717 | if ObjectIsNull(id) then 718 | Result := TJsonRpcMessage.Error(errorData) 719 | else 720 | Result := TJsonRpcMessage.Error(id.AsString, errorData); 721 | end; 722 | var 723 | parsedObj: ISuperObject; 724 | msgType: TJsonRpcObjectType; 725 | parsedMsg: IJsonRpcMessage; 726 | begin 727 | Result := nil; 728 | parsedObj := SO(s); 729 | if not Assigned(parsedObj) then 730 | begin 731 | AParseError := TJsonRpcError.ParseError(s); 732 | Exit; 733 | end; 734 | // try to parse valid json object next 735 | AParseError := SubCheckHeader(parsedObj); // must be freed with Result 736 | if Assigned(AParseError) then 737 | Exit; 738 | 739 | // header valid parse other parts 740 | msgType := SubGetMessageType(parsedObj); 741 | case msgType of 742 | jotNotification: parsedMsg := SubParseNotification(parsedObj, AParseError); 743 | jotRequest: parsedMsg := SubParseRequest(parsedObj, AParseError); 744 | jotSuccess: parsedMsg := SubParseSucess(parsedObj, AParseError); 745 | jotError: parsedMsg := SubParseError(parsedObj, AParseError); 746 | else 747 | AParseError := TJsonRpcError.InvalidRequest(parsedObj); 748 | Exit; 749 | end; 750 | if Assigned(AParseError) then 751 | begin 752 | Result := TJsonRpcParsedMessage.Create(jotInvalid, 753 | TJsonRpcMessage.Error(TJsonRpcError.InvalidRequest(parsedObj))); 754 | Exit; 755 | end; 756 | Result := TJsonRpcParsedMessage.Create(msgType, parsedMsg); 757 | end; 758 | 759 | { TJsonRpcSuccessObject } 760 | 761 | constructor TJsonRpcSuccessObject.Create(const aID: string; AResult: 762 | ISuperObject); 763 | begin 764 | FID := aID; 765 | FResult := AResult; 766 | end; 767 | 768 | function TJsonRpcSuccessObject.AsJsonObject: ISuperObject; 769 | begin 770 | Result := SO(); 771 | Result.S[FIELD_ID] := FID; 772 | Result.O[FIELD_RESULT] := FResult.Clone; 773 | end; 774 | 775 | { TJsonRpcErrorObject } 776 | 777 | constructor TJsonRpcErrorObject.Create(AErrorInfo: IJsonRpcError); 778 | begin 779 | FErrorInfo := AErrorInfo; 780 | end; 781 | 782 | constructor TJsonRpcErrorObject.Create(const AID: string; 783 | AErrorInfo: IJsonRpcError); 784 | begin 785 | Create(AErrorInfo); 786 | FID := AID; 787 | end; 788 | 789 | function TJsonRpcErrorObject.AsJsonObject: ISuperObject; 790 | begin 791 | Result := SO(); 792 | Result.S[FIELD_ID] := FID; 793 | Result.O[FIELD_ERROR] := ErrorInfo.AsJsonObject; 794 | end; 795 | 796 | { TJsonRpcParsedMessage } 797 | 798 | constructor TJsonRpcParsedMessage.Create(const objType: TJsonRpcObjectType; 799 | Payload: IJsonRpcMessage); 800 | begin 801 | inherited Create(); 802 | FObjType := objType; 803 | FPayload := Payload; 804 | end; 805 | 806 | destructor TJsonRpcParsedMessage.Destroy; 807 | begin 808 | inherited Destroy; 809 | end; 810 | 811 | function TJsonRpcParsedMessage.GetMessageType: TJsonRpcObjectType; 812 | begin 813 | result := FObjType; 814 | end; 815 | 816 | function TJsonRpcParsedMessage.GetMessagePayload: IJsonRpcMessage; 817 | begin 818 | result := FPayload; 819 | end; 820 | 821 | { TJsonRpcNotificationObject } 822 | 823 | constructor TJsonRpcNotificationObject.Create(const AMethod: string; 824 | AParams: ISuperObject); 825 | begin 826 | inherited Create(); 827 | FMethod := AMethod; 828 | FParams := AParams; 829 | end; 830 | 831 | constructor TJsonRpcNotificationObject.Create(const aMethod: string); 832 | begin 833 | Create(aMethod, nil); 834 | end; 835 | 836 | function TJsonRpcNotificationObject.AsJsonObject: ISuperObject; 837 | begin 838 | Result := SO(); 839 | Result.S[FIELD_METHOD] := FMethod; 840 | if Assigned(FParams) then 841 | Result.O[FIELD_PARAMS] := FParams.Clone; 842 | end; 843 | 844 | { TJsonRpcRequestObject } 845 | 846 | constructor TJsonRpcRequestObject.Create(const aID: string; 847 | const aMethod: string; aParams: ISuperObject); 848 | begin 849 | inherited Create(aMethod, aParams); 850 | FID := aID; 851 | end; 852 | 853 | function TJsonRpcRequestObject.AsJsonObject: ISuperObject; 854 | begin 855 | Result := inherited AsJsonObject; 856 | Result.S[FIELD_ID] := FID; 857 | end; 858 | 859 | { TJsonRpcError } 860 | 861 | class function TJsonRpcError.Error(const code: integer; const message: string; 862 | data: ISuperObject): IJsonRpcError; 863 | begin 864 | Result := TJsonRpcError.Create(code, message, data); 865 | end; 866 | 867 | class function TJsonRpcError.Error(const code: integer; const message: string; 868 | dataStr: string): IJsonRpcError; 869 | begin 870 | result := TJsonRpcError.Create(code, message, dataStr); 871 | end; 872 | 873 | class function TJsonRpcError.ParseError(data: string): IJsonRpcError; 874 | begin 875 | result := TJsonRpcError.Create(CODE_PARSE_ERROR, RPC_ERR_PARSE_ERROR, data); 876 | end; 877 | 878 | class function TJsonRpcError.InvalidRequest(data: ISuperObject): IJsonRpcError; 879 | begin 880 | result := TJsonRpcError.Create(CODE_INVALID_REQUEST, PRC_ERR_INVALID_REQUEST, 881 | data); 882 | end; 883 | 884 | class function TJsonRpcError.InvalidRequest(data: string): IJsonRpcError; 885 | begin 886 | result := TJsonRpcError.Create(CODE_INVALID_REQUEST, PRC_ERR_INVALID_REQUEST, 887 | data); 888 | end; 889 | 890 | class function TJsonRpcError.MethodNotFound(data: ISuperObject): IJsonRpcError; 891 | begin 892 | result := TJsonRpcError.Create(CODE_METHOD_NOT_FOUND, 893 | PRC_ERR_METHOD_NOT_FOUND, data); 894 | end; 895 | 896 | class function TJsonRpcError.MethodNotFound(data: string): IJsonRpcError; 897 | begin 898 | result := TJsonRpcError.Create(CODE_METHOD_NOT_FOUND, 899 | PRC_ERR_METHOD_NOT_FOUND, data); 900 | end; 901 | 902 | class function TJsonRpcError.InvalidParams(data: ISuperObject): IJsonRpcError; 903 | begin 904 | result := TJsonRpcError.Create(CODE_INVALID_PARAMS, RPC_ERR_INVALID_PARAMS, 905 | data); 906 | end; 907 | 908 | class function TJsonRpcError.InvalidParams(data: string): IJsonRpcError; 909 | begin 910 | result := TJsonRpcError.Create(CODE_INVALID_PARAMS, RPC_ERR_INVALID_PARAMS, 911 | data); 912 | end; 913 | 914 | class function TJsonRpcError.InternalError(data: ISuperObject): IJsonRpcError; 915 | begin 916 | result := TJsonRpcError.Create(CODE_INTERNAL_ERROR, RPC_ERR_INTERNAL_ERROR, 917 | data); 918 | end; 919 | 920 | class function TJsonRpcError.InternalError(data: string): IJsonRpcError; 921 | begin 922 | result := TJsonRpcError.Create(CODE_INTERNAL_ERROR, RPC_ERR_INTERNAL_ERROR, 923 | data); 924 | end; 925 | 926 | constructor TJsonRpcError.Create(const code: integer; 927 | const message: string); 928 | begin 929 | FCode := code; 930 | FMessage := message; 931 | end; 932 | 933 | function TJsonRpcError.GetCode: Integer; 934 | begin 935 | Result := FCode; 936 | end; 937 | 938 | function TJsonRpcError.GetData: ISuperObject; 939 | begin 940 | Result := FData; 941 | end; 942 | 943 | function TJsonRpcError.GetMessage: string; 944 | begin 945 | Result := FMessage; 946 | end; 947 | 948 | function TJsonRpcError.AsJsonObject: ISuperObject; 949 | begin 950 | Result := SO(); 951 | Result.I[FIELD_ERROR_CODE] := Code; 952 | Result.S[FIELD_ERROR_MSG] := Message; 953 | if Assigned(Data) then 954 | Result.O[FIELD_ERROR_DATA] := Data.Clone; 955 | end; 956 | 957 | { TJsonRpcError } 958 | 959 | constructor TJsonRpcError.Create(const code: integer; 960 | const message: string; data: ISuperObject); 961 | begin 962 | Create(code, message); 963 | FData := data; 964 | end; 965 | 966 | constructor TJsonRpcError.Create(const code: integer; 967 | const message: string; data: string); 968 | begin 969 | Create(code, message, SO(data)); 970 | end; 971 | 972 | end. 973 | 974 | -------------------------------------------------------------------------------- /source/utils/FastMM4.pas: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/source/utils/FastMM4.pas -------------------------------------------------------------------------------- /source/utils/FastMM4Messages.pas: -------------------------------------------------------------------------------- 1 | { 2 | 3 | Fast Memory Manager: Messages 4 | 5 | English translation by Pierre le Riche. 6 | 7 | } 8 | 9 | unit FastMM4Messages; 10 | 11 | interface 12 | 13 | {$Include FastMM4Options.inc} 14 | 15 | const 16 | {The name of the debug info support DLL} 17 | FullDebugModeLibraryName32Bit = 'FastMM_FullDebugMode.dll'; 18 | FullDebugModeLibraryName64Bit = 'FastMM_FullDebugMode64.dll'; 19 | {Event log strings} 20 | LogFileExtension = '_MemoryManager_EventLog.txt'#0; 21 | CRLF = #13#10; 22 | EventSeparator = '--------------------------------'; 23 | {Class name messages} 24 | UnknownClassNameMsg = 'Unknown'; 25 | {Memory dump message} 26 | MemoryDumpMsg = #13#10#13#10'Current memory dump of 256 bytes starting at pointer address '; 27 | {Block Error Messages} 28 | BlockScanLogHeader = 'Allocated block logged by LogAllocatedBlocksToFile. The size is: '; 29 | ErrorMsgHeader = 'FastMM has detected an error during a '; 30 | GetMemMsg = 'GetMem'; 31 | FreeMemMsg = 'FreeMem'; 32 | ReallocMemMsg = 'ReallocMem'; 33 | BlockCheckMsg = 'free block scan'; 34 | OperationMsg = ' operation. '; 35 | BlockHeaderCorruptedMsg = 'The block header has been corrupted. '; 36 | BlockFooterCorruptedMsg = 'The block footer has been corrupted. '; 37 | FreeModifiedErrorMsg = 'FastMM detected that a block has been modified after being freed. '; 38 | FreeModifiedDetailMsg = #13#10#13#10'Modified byte offsets (and lengths): '; 39 | DoubleFreeErrorMsg = 'An attempt has been made to free/reallocate an unallocated block.'; 40 | WrongMMFreeErrorMsg = 'An attempt has been made to free/reallocate a block that was allocated through a different FastMM instance. Check your memory manager sharing settings.'; 41 | PreviousBlockSizeMsg = #13#10#13#10'The previous block size was: '; 42 | CurrentBlockSizeMsg = #13#10#13#10'The block size is: '; 43 | PreviousObjectClassMsg = #13#10#13#10'The block was previously used for an object of class: '; 44 | CurrentObjectClassMsg = #13#10#13#10'The block is currently used for an object of class: '; 45 | PreviousAllocationGroupMsg = #13#10#13#10'The allocation group was: '; 46 | PreviousAllocationNumberMsg = #13#10#13#10'The allocation number was: '; 47 | CurrentAllocationGroupMsg = #13#10#13#10'The allocation group is: '; 48 | CurrentAllocationNumberMsg = #13#10#13#10'The allocation number is: '; 49 | BlockErrorMsgTitle = 'Memory Error Detected'; 50 | VirtualMethodErrorHeader = 'FastMM has detected an attempt to call a virtual method on a freed object. An access violation will now be raised in order to abort the current operation.'; 51 | InterfaceErrorHeader = 'FastMM has detected an attempt to use an interface of a freed object. An access violation will now be raised in order to abort the current operation.'; 52 | BlockHeaderCorruptedNoHistoryMsg = ' Unfortunately the block header has been corrupted so no history is available.'; 53 | FreedObjectClassMsg = #13#10#13#10'Freed object class: '; 54 | VirtualMethodName = #13#10#13#10'Virtual method: '; 55 | VirtualMethodOffset = 'Offset +'; 56 | VirtualMethodAddress = #13#10#13#10'Virtual method address: '; 57 | {Stack trace messages} 58 | CurrentThreadIDMsg = #13#10#13#10'The current thread ID is 0x'; 59 | CurrentStackTraceMsg = ', and the stack trace (return addresses) leading to this error is:'; 60 | ThreadIDPrevAllocMsg = #13#10#13#10'This block was previously allocated by thread 0x'; 61 | ThreadIDAtAllocMsg = #13#10#13#10'This block was allocated by thread 0x'; 62 | ThreadIDAtFreeMsg = #13#10#13#10'The block was previously freed by thread 0x'; 63 | ThreadIDAtObjectAllocMsg = #13#10#13#10'The object was allocated by thread 0x'; 64 | ThreadIDAtObjectFreeMsg = #13#10#13#10'The object was subsequently freed by thread 0x'; 65 | StackTraceMsg = ', and the stack trace (return addresses) at the time was:'; 66 | {Installation Messages} 67 | AlreadyInstalledMsg = 'FastMM4 is already installed.'; 68 | AlreadyInstalledTitle = 'Already installed.'; 69 | OtherMMInstalledMsg = 'FastMM4 cannot be installed since another third party memory ' 70 | + 'manager has already installed itself.'#13#10'If you want to use FastMM4, ' 71 | + 'please make sure that FastMM4.pas is the very first unit in the "uses"' 72 | + #13#10'section of your project''s .dpr file.'; 73 | OtherMMInstalledTitle = 'Cannot install FastMM4 - Another memory manager is already installed'; 74 | MemoryAllocatedMsg = 'FastMM4 cannot install since memory has already been ' 75 | + 'allocated through the default memory manager.'#13#10'FastMM4.pas MUST ' 76 | + 'be the first unit in your project''s .dpr file, otherwise memory may ' 77 | + 'be allocated'#13#10'through the default memory manager before FastMM4 ' 78 | + 'gains control. '#13#10#13#10'If you are using an exception trapper ' 79 | + 'like MadExcept (or any tool that modifies the unit initialization ' 80 | + 'order),'#13#10'go into its configuration page and ensure that the ' 81 | + 'FastMM4.pas unit is initialized before any other unit.'; 82 | MemoryAllocatedTitle = 'Cannot install FastMM4 - Memory has already been allocated'; 83 | {Leak checking messages} 84 | LeakLogHeader = 'A memory block has been leaked. The size is: '; 85 | LeakMessageHeader = 'This application has leaked memory. '; 86 | SmallLeakDetail = 'The small block leaks are' 87 | {$ifdef HideExpectedLeaksRegisteredByPointer} 88 | + ' (excluding expected leaks registered by pointer)' 89 | {$endif} 90 | + ':'#13#10; 91 | LargeLeakDetail = 'The sizes of leaked medium and large blocks are' 92 | {$ifdef HideExpectedLeaksRegisteredByPointer} 93 | + ' (excluding expected leaks registered by pointer)' 94 | {$endif} 95 | + ': '; 96 | BytesMessage = ' bytes: '; 97 | AnsiStringBlockMessage = 'AnsiString'; 98 | UnicodeStringBlockMessage = 'UnicodeString'; 99 | LeakMessageFooter = #13#10 100 | {$ifndef HideMemoryLeakHintMessage} 101 | + #13#10'Note: ' 102 | {$ifdef RequireIDEPresenceForLeakReporting} 103 | + 'This memory leak check is only performed if Delphi is currently running on the same computer. ' 104 | {$endif} 105 | {$ifdef FullDebugMode} 106 | {$ifdef LogMemoryLeakDetailToFile} 107 | + 'Memory leak detail is logged to a text file in the same folder as this application. ' 108 | {$else} 109 | + 'Enable the "LogMemoryLeakDetailToFile" to obtain a log file containing detail on memory leaks. ' 110 | {$endif} 111 | {$else} 112 | + 'To obtain a log file containing detail on memory leaks, enable the "FullDebugMode" and "LogMemoryLeakDetailToFile" conditional defines. ' 113 | {$endif} 114 | + 'To disable this memory leak check, undefine "EnableMemoryLeakReporting".'#13#10 115 | {$endif} 116 | + #0; 117 | LeakMessageTitle = 'Memory Leak Detected'; 118 | {$ifdef UseOutputDebugString} 119 | FastMMInstallMsg = 'FastMM has been installed.'; 120 | FastMMInstallSharedMsg = 'Sharing an existing instance of FastMM.'; 121 | FastMMUninstallMsg = 'FastMM has been uninstalled.'; 122 | FastMMUninstallSharedMsg = 'Stopped sharing an existing instance of FastMM.'; 123 | {$endif} 124 | {$ifdef DetectMMOperationsAfterUninstall} 125 | InvalidOperationTitle = 'MM Operation after uninstall.'; 126 | InvalidGetMemMsg = 'FastMM has detected a GetMem call after FastMM was uninstalled.'; 127 | InvalidFreeMemMsg = 'FastMM has detected a FreeMem call after FastMM was uninstalled.'; 128 | InvalidReallocMemMsg = 'FastMM has detected a ReallocMem call after FastMM was uninstalled.'; 129 | InvalidAllocMemMsg = 'FastMM has detected an AllocMem call after FastMM was uninstalled.'; 130 | {$endif} 131 | 132 | implementation 133 | 134 | end. 135 | 136 | -------------------------------------------------------------------------------- /source/utils/FastMM4Messages_ru.pas: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/r3code/pascal-jsonrpc-lite-2/f8ad694cbd2deef6bd8ae8d5378e698edeae2484/source/utils/FastMM4Messages_ru.pas -------------------------------------------------------------------------------- /source/utils/FastMM4Options.inc: -------------------------------------------------------------------------------- 1 | { 2 | 3 | Fast Memory Manager: Options Include File 4 | 5 | Set the default options for FastMM here. 6 | 7 | } 8 | 9 | {---------------------------Miscellaneous Options-----------------------------} 10 | 11 | {Enable this define to align all blocks on 16 byte boundaries so aligned SSE 12 | instructions can be used safely. If this option is disabled then some of the 13 | smallest block sizes will be 8-byte aligned instead which may result in a 14 | reduction in memory usage. Medium and large blocks are always 16-byte aligned 15 | irrespective of this setting.} 16 | {.$define Align16Bytes} 17 | 18 | {Enable to use faster fixed-size move routines when upsizing small blocks. 19 | These routines are much faster than the Borland RTL move procedure since they 20 | are optimized to move a fixed number of bytes. This option may be used 21 | together with the FastMove library for even better performance.} 22 | {$define UseCustomFixedSizeMoveRoutines} 23 | 24 | {Enable this option to use an optimized procedure for moving a memory block of 25 | an arbitrary size. Disable this option when using the Fastcode move 26 | ("FastMove") library. Using the Fastcode move library allows your whole 27 | application to gain from faster move routines, not just the memory manager. It 28 | is thus recommended that you use the Fastcode move library in conjunction with 29 | this memory manager and disable this option.} 30 | {$define UseCustomVariableSizeMoveRoutines} 31 | 32 | {Enable this option to only install FastMM as the memory manager when the 33 | application is running inside the Delphi IDE. This is useful when you want 34 | to deploy the same EXE that you use for testing, but only want the debugging 35 | features active on development machines. When this option is enabled and 36 | the application is not being run inside the IDE debugger, then the default 37 | Delphi memory manager will be used (which, since Delphi 2006, is FastMM 38 | without FullDebugMode.} 39 | {.$define InstallOnlyIfRunningInIDE} 40 | 41 | {Due to QC#14070 ("Delphi IDE attempts to free memory after the shutdown code 42 | of borlndmm.dll has been called"), FastMM cannot be uninstalled safely when 43 | used inside a replacement borlndmm.dll for the IDE. Setting this option will 44 | circumvent this problem by never uninstalling the memory manager.} 45 | {.$define NeverUninstall} 46 | 47 | {Set this option when you use runtime packages in this application or library. 48 | This will automatically set the "AssumeMultiThreaded" option. Note that you 49 | have to ensure that FastMM is finalized after all live pointers have been 50 | freed - failure to do so will result in a large leak report followed by a lot 51 | of A/Vs. (See the FAQ for more detail.) You may have to combine this option 52 | with the NeverUninstall option.} 53 | {.$define UseRuntimePackages} 54 | 55 | {-----------------------Concurrency Management Options------------------------} 56 | 57 | {Enable to always assume that the application is multithreaded. Enabling this 58 | option will cause a significant performance hit with single threaded 59 | applications. Enable if you are using multi-threaded third party tools that do 60 | not properly set the IsMultiThread variable. Also set this option if you are 61 | going to share this memory manager between a single threaded application and a 62 | multi-threaded DLL.} 63 | {.$define AssumeMultiThreaded} 64 | 65 | {Enable this option to not call Sleep when a thread contention occurs. This 66 | option will improve performance if the ratio of the number of active threads 67 | to the number of CPU cores is low (typically < 2). With this option set a 68 | thread will usually enter a "busy waiting" loop instead of relinquishing its 69 | timeslice when a thread contention occurs, unless UseSwitchToThread is 70 | also defined (see below) in which case it will call SwitchToThread instead of 71 | Sleep.} 72 | {.$define NeverSleepOnThreadContention} 73 | 74 | {Set this option to call SwitchToThread instead of sitting in a "busy waiting" 75 | loop when a thread contention occurs. This is used in conjunction with the 76 | NeverSleepOnThreadContention option, and has no effect unless 77 | NeverSleepOnThreadContention is also defined. This option may improve 78 | performance with many CPU cores and/or threads of different priorities. Note 79 | that the SwitchToThread API call is only available on Windows 2000 and later.} 80 | {.$define UseSwitchToThread} 81 | 82 | {-----------------------------Debugging Options-------------------------------} 83 | 84 | {Enable this option to suppress the generation of debug info for the 85 | FastMM4.pas unit. This will prevent the integrated debugger from stepping into 86 | the memory manager code.} 87 | {.$define NoDebugInfo} 88 | 89 | {Enable this option to suppress the display of all message dialogs. This is 90 | useful in service applications that should not be interrupted.} 91 | {.$define NoMessageBoxes} 92 | 93 | {Set this option to use the Windows API OutputDebugString procedure to output 94 | debug strings on startup/shutdown and when errors occur.} 95 | {.$define UseOutputDebugString} 96 | 97 | {Set this option to use the assembly language version which is faster than the 98 | pascal version. Disable only for debugging purposes. Setting the 99 | CheckHeapForCorruption option automatically disables this option.} 100 | {$define ASMVersion} 101 | 102 | {FastMM always catches attempts to free the same memory block twice, however it 103 | can also check for corruption of the memory heap (typically due to the user 104 | program overwriting the bounds of allocated memory). These checks are 105 | expensive, and this option should thus only be used for debugging purposes. 106 | If this option is set then the ASMVersion option is automatically disabled.} 107 | {.$define CheckHeapForCorruption} 108 | 109 | {Enable this option to catch attempts to perform MM operations after FastMM has 110 | been uninstalled. With this option set when FastMM is uninstalled it will not 111 | install the previous MM, but instead a dummy MM handler that throws an error 112 | if any MM operation is attempted. This will catch attempts to use the MM 113 | after FastMM has been uninstalled.} 114 | {$define DetectMMOperationsAfterUninstall} 115 | 116 | {Set the following option to do extensive checking of all memory blocks. All 117 | blocks are padded with both a header and trailer that are used to verify the 118 | integrity of the heap. Freed blocks are also cleared to to ensure that they 119 | cannot be reused after being freed. This option slows down memory operations 120 | dramatically and should only be used to debug an application that is 121 | overwriting memory or reusing freed pointers. Setting this option 122 | automatically enables CheckHeapForCorruption and disables ASMVersion. 123 | Very important: If you enable this option your application will require the 124 | FastMM_FullDebugMode.dll library. If this library is not available you will 125 | get an error on startup.} 126 | {.$define FullDebugMode} 127 | 128 | {Set this option to perform "raw" stack traces, i.e. check all entries on the 129 | stack for valid return addresses. Note that this is significantly slower 130 | than using the stack frame tracing method, but is usually more complete. Has 131 | no effect unless FullDebugMode is enabled} 132 | {$define RawStackTraces} 133 | 134 | {Set this option to check for user code that uses an interface of a freed 135 | object. Note that this will disable the checking of blocks modified after 136 | being freed (the two are not compatible). This option has no effect if 137 | FullDebugMode is not also enabled.} 138 | {.$define CatchUseOfFreedInterfaces} 139 | 140 | {Set this option to log all errors to a text file in the same folder as the 141 | application. Memory errors (with the FullDebugMode option set) will be 142 | appended to the log file. Has no effect if "FullDebugMode" is not set.} 143 | {$define LogErrorsToFile} 144 | 145 | {Set this option to log all memory leaks to a text file in the same folder as 146 | the application. Memory leak reports (with the FullDebugMode option set) 147 | will be appended to the log file. Has no effect if "LogErrorsToFile" and 148 | "FullDebugMode" are not also set. Note that usually all leaks are always 149 | logged, even if they are "expected" leaks registered through 150 | AddExpectedMemoryLeaks. Expected leaks registered by pointer may be excluded 151 | through the HideExpectedLeaksRegisteredByPointer option.} 152 | {$define LogMemoryLeakDetailToFile} 153 | 154 | {Deletes the error log file on startup. No effect if LogErrorsToFile is not 155 | also set.} 156 | {.$define ClearLogFileOnStartup} 157 | 158 | {Loads the FASTMM_FullDebugMode.dll dynamically. If the DLL cannot be found 159 | then stack traces will not be available. Note that this may cause problems 160 | due to a changed DLL unload order when sharing the memory manager. Use with 161 | care.} 162 | {.$define LoadDebugDLLDynamically} 163 | 164 | {.$define DoNotInstallIfDLLMissing} 165 | {If the FastMM_FullDebugMode.dll file is not available then FastMM will not 166 | install itself. No effect unless FullDebugMode and LoadDebugDLLDynamically 167 | are also defined.} 168 | 169 | {FastMM usually allocates large blocks from the topmost available address and 170 | medium and small blocks from the lowest available address (This reduces 171 | fragmentation somewhat). With this option set all blocks are always 172 | allocated from the highest available address. If the process has a >2GB 173 | address space and contains bad pointer arithmetic code, this option should 174 | help to catch those errors sooner.} 175 | {$define AlwaysAllocateTopDown} 176 | 177 | {Disables the logging of memory dumps together with the other detail for 178 | memory errors.} 179 | {.$define DisableLoggingOfMemoryDumps} 180 | 181 | {If FastMM encounters a problem with a memory block inside the FullDebugMode 182 | FreeMem handler then an "invalid pointer operation" exception will usually 183 | be raised. If the FreeMem occurs while another exception is being handled 184 | (perhaps in the try.. finally code) then the original exception will be 185 | lost. With this option set FastMM will ignore errors inside FreeMem when an 186 | exception is being handled, thus allowing the original exception to 187 | propagate.} 188 | {$define SuppressFreeMemErrorsInsideException} 189 | 190 | {Adds support for notification of memory manager events in FullDebugMode. 191 | With this define set, the application may assign the OnDebugGetMemFinish, 192 | OnDebugFreeMemStart, etc. callbacks in order to be notified when the 193 | particular memory manager event occurs.} 194 | {.$define FullDebugModeCallBacks} 195 | 196 | {---------------------------Memory Leak Reporting-----------------------------} 197 | 198 | {Set this option to enable reporting of memory leaks. Combine it with the two 199 | options below for further fine-tuning.} 200 | {$define EnableMemoryLeakReporting} 201 | 202 | {Set this option to suppress the display and logging of expected memory leaks 203 | that were registered by pointer. Leaks registered by size or class are often 204 | ambiguous, so these expected leaks are always logged to file (in 205 | FullDebugMode with the LogMemoryLeakDetailToFile option set) and are never 206 | hidden from the leak display if there are more leaks than are expected.} 207 | {$define HideExpectedLeaksRegisteredByPointer} 208 | 209 | {Set this option to require the presence of the Delphi IDE to report memory 210 | leaks. This option has no effect if the option "EnableMemoryLeakReporting" 211 | is not also set.} 212 | {.$define RequireIDEPresenceForLeakReporting} 213 | 214 | {Set this option to require the program to be run inside the IDE debugger to 215 | report memory leaks. This option has no effect if the option 216 | "EnableMemoryLeakReporting" is not also set. Note that this option does not 217 | work with libraries, only EXE projects.} 218 | {$define RequireDebuggerPresenceForLeakReporting} 219 | 220 | {Set this option to require the presence of debug info ($D+ option) in the 221 | compiled unit to perform memory leak checking. This option has no effect if 222 | the option "EnableMemoryLeakReporting" is not also set.} 223 | {.$define RequireDebugInfoForLeakReporting} 224 | 225 | {Set this option to enable manual control of the memory leak report. When 226 | this option is set the ReportMemoryLeaksOnShutdown variable (default = false) 227 | may be changed to select whether leak reporting should be done or not. When 228 | this option is selected then both the variable must be set to true and the 229 | other leak checking options must be applicable for the leak checking to be 230 | done.} 231 | (* DUnitMemoryLearReporting 232 | https://stackoverflow.com/a/685988/469898 233 | You have to build your DUnit GUI-testrunner with the FASTMM and 234 | ManualLeakReportingControl directive. This will enable the memoryleak items 235 | (Take a look in GUITestRunner.pas) 236 | *) 237 | {$define ManualLeakReportingControl} 238 | 239 | {Set this option to disable the display of the hint below the memory leak 240 | message.} 241 | {.$define HideMemoryLeakHintMessage} 242 | 243 | {--------------------------Instruction Set Options----------------------------} 244 | 245 | {Set this option to enable the use of MMX instructions. Disabling this option 246 | will result in a slight performance hit, but will enable compatibility with 247 | AMD K5, Pentium I and earlier CPUs. MMX is currently only used in the variable 248 | size move routines, so if UseCustomVariableSizeMoveRoutines is not set then 249 | this option has no effect.} 250 | {.$define EnableMMX} 251 | 252 | {Set this option to force the use of MMX instructions without checking 253 | whether the CPU supports it. If this option is disabled then the CPU will be 254 | checked for compatibility first, and if MMX is not supported it will fall 255 | back to the FPU move code. Has no effect unless EnableMMX is also set.} 256 | {$define ForceMMX} 257 | 258 | {-----------------------Memory Manager Sharing Options------------------------} 259 | 260 | {Allow sharing of the memory manager between a main application and DLLs that 261 | were also compiled with FastMM. This allows you to pass dynamic arrays and 262 | long strings to DLL functions provided both are compiled to use FastMM. 263 | Sharing will only work if the library that is supposed to share the memory 264 | manager was compiled with the "AttemptToUseSharedMM" option set. Note that if 265 | the main application is single threaded and the DLL is multi-threaded that you 266 | have to set the IsMultiThread variable in the main application to true or it 267 | will crash when a thread contention occurs. Note that statically linked DLL 268 | files are initialized before the main application, so the main application may 269 | well end up sharing a statically loaded DLL's memory manager and not the other 270 | way around. } 271 | {.$define ShareMM} 272 | 273 | {Allow sharing of the memory manager by a DLL with other DLLs (or the main 274 | application if this is a statically loaded DLL) that were also compiled with 275 | FastMM. Set this option with care in dynamically loaded DLLs, because if the 276 | DLL that is sharing its MM is unloaded and any other DLL is still sharing 277 | the MM then the application will crash. This setting is only relevant for 278 | DLL libraries and requires ShareMM to also be set to have any effect. 279 | Sharing will only work if the library that is supposed to share the memory 280 | manager was compiled with the "AttemptToUseSharedMM" option set. Note that 281 | if DLLs are statically linked then they will be initialized before the main 282 | application and then the DLL will in fact share its MM with the main 283 | application. This option has no effect unless ShareMM is also set.} 284 | {.$define ShareMMIfLibrary} 285 | 286 | {Define this to attempt to share the MM of the main application or other loaded 287 | DLLs in the same process that were compiled with ShareMM set. When sharing a 288 | memory manager, memory leaks caused by the sharer will not be freed 289 | automatically. Take into account that statically linked DLLs are initialized 290 | before the main application, so set the sharing options accordingly.} 291 | {.$define AttemptToUseSharedMM} 292 | 293 | {Define this to enable backward compatibility for the memory manager sharing 294 | mechanism used by Delphi 2006 and 2007, as well as older FastMM versions.} 295 | {$define EnableBackwardCompatibleMMSharing} 296 | 297 | {-----------------------Security Options------------------------} 298 | 299 | {Windows clears physical memory before reusing it in another process. However, 300 | it is not known how quickly this clearing is performed, so it is conceivable 301 | that confidential data may linger in physical memory longer than absolutely 302 | necessary. If you're paranoid about this kind of thing, enable this option to 303 | clear all freed memory before returning it to the operating system. Note that 304 | this incurs a noticeable performance hit.} 305 | {.$define ClearMemoryBeforeReturningToOS} 306 | 307 | {With this option enabled freed memory will immediately be cleared inside the 308 | FreeMem routine. This incurs a big performance hit, but may be worthwhile for 309 | additional peace of mind when working with highly sensitive data. This option 310 | supersedes the ClearMemoryBeforeReturningToOS option.} 311 | {.$define AlwaysClearFreedMemory} 312 | 313 | {--------------------------------Option Grouping------------------------------} 314 | 315 | {Enabling this option enables FullDebugMode, InstallOnlyIfRunningInIDE and 316 | LoadDebugDLLDynamically. Consequently, FastMM will install itself in 317 | FullDebugMode if the application is being debugged inside the Delphi IDE. 318 | Otherwise the default Delphi memory manager will be used (which is equivalent 319 | to the non-FullDebugMode FastMM since Delphi 2006.)} 320 | {.$define FullDebugModeInIDE} 321 | 322 | {Combines the FullDebugMode, LoadDebugDLLDynamically and 323 | DoNotInstallIfDLLMissing options. Consequently FastMM will only be installed 324 | (In FullDebugMode) when the FastMM_FullDebugMode.dll file is available. This 325 | is useful when the same executable will be distributed for both debugging as 326 | well as deployment.} 327 | {.$define FullDebugModeWhenDLLAvailable} 328 | 329 | {Group the options you use for release and debug versions below} 330 | {$ifdef Release} 331 | {Specify the options you use for release versions below} 332 | {$undef FullDebugMode} 333 | {$undef CheckHeapForCorruption} 334 | {$define ASMVersion} 335 | {$undef EnableMemoryLeakReporting} 336 | {$undef UseOutputDebugString} 337 | {$else} 338 | {Specify the options you use for debugging below} 339 | {$define FullDebugMode} 340 | {$define EnableMemoryLeakReporting} 341 | {$define LogMemoryLeakDetailToFile} 342 | {$define UseOutputDebugString} 343 | {$endif} 344 | 345 | {--------------------Compilation Options For borlndmm.dll---------------------} 346 | {If you're compiling the replacement borlndmm.dll, set the defines below 347 | for the kind of dll you require.} 348 | 349 | {Set this option when compiling the borlndmm.dll} 350 | {.$define borlndmmdll} 351 | 352 | {Set this option if the dll will be used by the Delphi IDE} 353 | {.$define dllforide} 354 | 355 | {Set this option if you're compiling a debug dll} 356 | {.$define debugdll} 357 | 358 | {Do not change anything below this line} 359 | {$ifdef borlndmmdll} 360 | {$define AssumeMultiThreaded} 361 | {$undef HideExpectedLeaksRegisteredByPointer} 362 | {$undef RequireDebuggerPresenceForLeakReporting} 363 | {$undef RequireDebugInfoForLeakReporting} 364 | {$define DetectMMOperationsAfterUninstall} 365 | {$undef ManualLeakReportingControl} 366 | {$undef ShareMM} 367 | {$undef AttemptToUseSharedMM} 368 | {$ifdef dllforide} 369 | {$define NeverUninstall} 370 | {$define HideMemoryLeakHintMessage} 371 | {$undef RequireIDEPresenceForLeakReporting} 372 | {$ifndef debugdll} 373 | {$undef EnableMemoryLeakReporting} 374 | {$endif} 375 | {$else} 376 | {$define EnableMemoryLeakReporting} 377 | {$undef NeverUninstall} 378 | {$undef HideMemoryLeakHintMessage} 379 | {$define RequireIDEPresenceForLeakReporting} 380 | {$endif} 381 | {$ifdef debugdll} 382 | {$define FullDebugMode} 383 | {$define RawStackTraces} 384 | {$undef CatchUseOfFreedInterfaces} 385 | {$define LogErrorsToFile} 386 | {$define LogMemoryLeakDetailToFile} 387 | {$undef ClearLogFileOnStartup} 388 | {$else} 389 | {$undef FullDebugMode} 390 | {$endif} 391 | {$endif} 392 | 393 | {Move BCB related definitions here, because CB2006/CB2007 can build borlndmm.dll 394 | for tracing memory leaks in BCB applications with "Build with Dynamic RTL" 395 | switched on} 396 | {------------------------------Patch BCB Terminate----------------------------} 397 | {To enable the patching for BCB to make uninstallation and leak reporting 398 | possible, you may need to add "BCB" definition 399 | in "Project Options->Pascal/Delphi Compiler->Defines". 400 | (Thanks to JiYuan Xie for implementing this.)} 401 | 402 | {$ifdef BCB} 403 | {$ifdef CheckHeapForCorruption} 404 | {$define PatchBCBTerminate} 405 | {$else} 406 | {$ifdef DetectMMOperationsAfterUninstall} 407 | {$define PatchBCBTerminate} 408 | {$else} 409 | {$ifdef EnableMemoryLeakReporting} 410 | {$define PatchBCBTerminate} 411 | {$endif} 412 | {$endif} 413 | {$endif} 414 | 415 | {$ifdef PatchBCBTerminate} 416 | {$define CheckCppObjectType} 417 | {$undef CheckCppObjectTypeEnabled} 418 | 419 | {$ifdef CheckCppObjectType} 420 | {$define CheckCppObjectTypeEnabled} 421 | {$endif} 422 | 423 | {Turn off "CheckCppObjectTypeEnabled" option if neither "CheckHeapForCorruption" 424 | option or "EnableMemoryLeakReporting" option were defined.} 425 | {$ifdef CheckHeapForCorruption} 426 | {$else} 427 | {$ifdef EnableMemoryLeakReporting} 428 | {$else} 429 | {$undef CheckCppObjectTypeEnabled} 430 | {$endif} 431 | {$endif} 432 | {$endif} 433 | {$endif} 434 | -------------------------------------------------------------------------------- /test/testjsonrpc.pas: -------------------------------------------------------------------------------- 1 | 2 | unit testjsonrpc; 3 | 4 | interface 5 | 6 | uses 7 | Windows, SysUtils, Classes, TestFramework, TestExtensions, ujsonrpc2; 8 | 9 | type 10 | TTestJsonRpc = class(TTestCase) 11 | private 12 | function GetMessageTypeName(t: TJsonRpcObjectType): string; 13 | protected 14 | procedure SetUp; override; 15 | procedure TearDown; override; 16 | 17 | published 18 | procedure TestParseRequestOK; 19 | procedure TestParseNotifyWithParamJsonOK; 20 | procedure TestParseSuccessStrResultOK; 21 | procedure TestParseErrorOK; 22 | procedure TestParseErrorWithDataObjOK; 23 | procedure TestParseNoJsonrpcField; 24 | end; 25 | 26 | implementation 27 | 28 | uses 29 | superobject, TypInfo; 30 | 31 | function TTestJsonRpc.GetMessageTypeName(t: TJsonRpcObjectType): string; 32 | begin 33 | Result := GetEnumName(TypeInfo(TJsonRpcObjectType), Integer(t)); 34 | end; 35 | 36 | procedure TTestJsonRpc.Setup; 37 | begin 38 | Self.FailsOnMemoryLeak := true; 39 | end; 40 | 41 | procedure TTestJsonRpc.TearDown; 42 | begin 43 | 44 | end; 45 | 46 | procedure TTestJsonRpc.TestParseErrorOK; 47 | const 48 | testMsg = '{ jsonrpc: "2.0", id:1, error: { code: -32600, message: "' 49 | + PRC_ERR_INVALID_REQUEST + '", data: "blabla" } }'; 50 | var 51 | expected, actual: IJsonRpcParsedMessage; 52 | err: IJsonRpcError; 53 | begin 54 | expected := TJsonRpcParsedMessage.Create(jotError, 55 | TJsonRpcErrorObject.Create('1', TJsonRpcError.Create(-32600, 56 | PRC_ERR_INVALID_REQUEST, 'blabla'))); 57 | actual := TJsonRpcMessage.Parse(testMsg, err); 58 | CheckEquals(expected.GetMessagePayload.AsJSon, 59 | actual.GetMessagePayload.AsJSon()); 60 | CheckEquals(GetMessageTypeName(expected.GetMessageType), 61 | GetMessageTypeName(actual.GetMessageType)); 62 | end; 63 | 64 | procedure TTestJsonRpc.TestParseErrorWithDataObjOK; 65 | const 66 | testMsg = '{ jsonrpc: "2.0", id:1, error: { code: -32600, message: "' 67 | + PRC_ERR_INVALID_REQUEST + '", ' 68 | + 'data: {"method":"AUTH","params":{' 69 | + '"secretWord":"D4A0999956449F3A5DEA3EE29BA8AEBD", "appId":100},' 70 | + '"id":1,' 71 | + '"jsonrpc":"2.0"}' 72 | + ' } }'; 73 | var 74 | expected, actual: IJsonRpcParsedMessage; 75 | err: IJsonRpcError; 76 | begin 77 | expected := TJsonRpcParsedMessage.Create(jotError, 78 | TJsonRpcErrorObject.Create('1', TJsonRpcError.Create(-32600, 79 | PRC_ERR_INVALID_REQUEST, 80 | SO('{"method":"AUTH","params":{' 81 | + '"secretWord":"D4A0999956449F3A5DEA3EE29BA8AEBD", "appId":100},' 82 | + '"id":1,"jsonrpc":"2.0"}')))); 83 | actual := TJsonRpcMessage.Parse(testMsg, err); 84 | CheckEquals(expected.GetMessagePayload.AsJSon, 85 | actual.GetMessagePayload.AsJSon()); 86 | CheckEquals(GetMessageTypeName(expected.GetMessageType), 87 | GetMessageTypeName(actual.GetMessageType)); 88 | end; 89 | 90 | procedure TTestJsonRpc.TestParseNoJsonrpcField; 91 | const 92 | testMsg = '{ method: "alarm_notify", params: { object: 102 } }'; 93 | var 94 | expected, actual: IJsonRpcError; 95 | begin 96 | expected := TJsonRpcError.InvalidRequest(ERROR_NO_JSONRPC_FIELD); 97 | TJsonRpcMessage.Parse(testMsg, actual); 98 | 99 | CheckEquals(expected.AsJsonObject.AsJSon, 100 | actual.AsJsonObject.AsJSon()); 101 | end; 102 | 103 | procedure TTestJsonRpc.TestParseNotifyWithParamJsonOK; 104 | const 105 | testMsg = '{"method":"ALARM",' 106 | + '"params":{' 107 | + ' "alarmTime":"2016-08-24T02:05:09.036Z",' 108 | + ' "alarmId":3,' 109 | + ' "alarmObject":2,' 110 | + ' "alarmSeqNo":0' 111 | + '},' 112 | + '"jsonrpc":"2.0"}'; 113 | var 114 | expected, actual: IJsonRpcParsedMessage; 115 | err: IJsonRpcError; 116 | begin 117 | expected := TJsonRpcParsedMessage.Create(jotNotification, 118 | TJsonRpcNotificationObject.Create('ALARM', SO('{' 119 | + ' "alarmTime":"2016-08-24T02:05:09.036Z",' 120 | + ' "alarmId":3,' 121 | + ' "alarmObject":2,' 122 | + ' "alarmSeqNo":0' 123 | + '}'))); 124 | actual := TJsonRpcMessage.Parse(testMsg, err); 125 | CheckEquals(expected.GetMessagePayload.AsJSon, 126 | actual.GetMessagePayload.AsJSon()); 127 | CheckEquals(GetMessageTypeName(expected.GetMessageType), 128 | GetMessageTypeName(actual.GetMessageType)); 129 | end; 130 | 131 | procedure TTestJsonRpc.TestParseRequestOK; 132 | const 133 | testMsg = 134 | '{"jsonrpc":"2.0",' 135 | + '"id":1491225202566,' 136 | + '"method":"AUTH",' 137 | + '"params":{' 138 | + ' "appId":901,' 139 | + ' "secretWord":"D4A0999956449F3A5DEA3EE29BA8AEBD"' 140 | + ' }' 141 | + '}'; 142 | var 143 | expected, actual: IJsonRpcParsedMessage; 144 | err: IJsonRpcError; 145 | begin 146 | expected := TJsonRpcParsedMessage.Create(jotRequest, 147 | TJsonRpcRequestObject.Create('1491225202566', 'AUTH', 148 | SO('{"secretWord":"D4A0999956449F3A5DEA3EE29BA8AEBD","appId":901}'))); 149 | actual := TJsonRpcMessage.Parse(testMsg, err); 150 | 151 | CheckEquals(GetMessageTypeName(expected.GetMessageType), 152 | GetMessageTypeName(actual.GetMessageType)); 153 | CheckEquals(expected.GetMessagePayload.AsJSon, 154 | actual.GetMessagePayload.AsJSon()); 155 | end; 156 | 157 | procedure TTestJsonRpc.TestParseSuccessStrResultOK; 158 | const 159 | alarmsJsonStr = '[{"id":503,"alarmId":3,"alarmObject":2,' 160 | + '"alarmTime":"2016-08-24T02:05:09.036Z"},{"id":2,"alarmId":2,' 161 | + '"alarmObject":1,"alarmTime":"2016-08-24T05:24:17.017Z"},' 162 | + '{"id":3,"alarmId":9,"alarmObject":3,' 163 | + '"alarmTime":"2016-08-24T08:07:22.115Z"}]'; 164 | testMsg = '{"jsonrpc":"2.0","id":503,' 165 | + '"result":' + alarmsJsonStr + '}'; 166 | var 167 | expected, actual: IJsonRpcParsedMessage; 168 | err: IJsonRpcError; 169 | begin 170 | expected := TJsonRpcParsedMessage.Create(jotSuccess, 171 | TJsonRpcSuccessObject.Create('503', SO(alarmsJsonStr))); 172 | actual := TJsonRpcMessage.Parse(testMsg, err); 173 | 174 | CheckEquals(GetMessageTypeName(expected.GetMessageType), 175 | GetMessageTypeName(actual.GetMessageType)); 176 | CheckEquals(expected.GetMessagePayload.AsJSon, 177 | actual.GetMessagePayload.AsJSon()); 178 | end; 179 | 180 | initialization 181 | TestFramework.RegisterTest(TTestJsonRpc.Suite); 182 | 183 | end. 184 | 185 | -------------------------------------------------------------------------------- /test/testjsonrpcerrors.pas: -------------------------------------------------------------------------------- 1 | unit testjsonrpcerrors; 2 | 3 | interface 4 | 5 | uses 6 | Windows, SysUtils, Classes, TestFramework, TestExtensions; 7 | 8 | type 9 | TTestJsonRpcError = class(TTestCase) 10 | protected 11 | procedure SetUp; override; 12 | procedure TearDown; override; 13 | 14 | published 15 | procedure TestErrorHasDataJsonCreated; 16 | procedure TestErrorHasDataAsStringCreated; 17 | procedure TestParseErrorCreated; 18 | procedure TestInvalidRequestHasDataJsonCreated; 19 | procedure TestInvalidRequestHasDataAsStrCreated; 20 | procedure TestMethodNotFoundHasDataJsonCreated; 21 | procedure TestMethodNotFoundHasDataAsStrCreated; 22 | procedure TestInvalidParamsHasDataJsonCreated; 23 | procedure TestInvalidParamsHasDataAsStrCreated; 24 | procedure TestInternalErrorHasDataJsonCreated; 25 | procedure TestInternalErrorHasDataAsStrCreated; 26 | end; 27 | 28 | implementation 29 | 30 | uses 31 | superobject, ujsonrpc2; 32 | 33 | procedure TTestJsonRpcError.Setup; 34 | begin 35 | 36 | end; 37 | 38 | procedure TTestJsonRpcError.TearDown; 39 | begin 40 | 41 | end; 42 | 43 | procedure TTestJsonRpcError.TestErrorHasDataAsStringCreated; 44 | var 45 | expected: ISuperObject; 46 | actual: IJsonRpcError; 47 | begin 48 | expected := SO(); 49 | expected.I['code'] := -32201; 50 | expected.S['message'] := 'Authentification error'; 51 | expected.I['data'] := 901; 52 | actual := TJsonRpcError.Error(-32201, 'Authentification error', SO(901)); 53 | CheckEquals(expected.AsJSon(true), actual.asJsonObject.AsJSon(true)); 54 | end; 55 | 56 | procedure TTestJsonRpcError.TestErrorHasDataJsonCreated; 57 | var 58 | expected: ISuperObject; 59 | actual: IJsonRpcError; 60 | begin 61 | expected := SO(); 62 | expected.I['code'] := -32201; 63 | expected.S['message'] := 'Authentification error'; 64 | expected.O['data'] := SO('{appId:901}'); 65 | actual := TJsonRpcError.Error(-32201, 'Authentification error', 66 | SO('{appId:901}')); 67 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 68 | end; 69 | 70 | procedure TTestJsonRpcError.TestInternalErrorHasDataAsStrCreated; 71 | var 72 | expected: ISuperObject; 73 | actual: IJsonRpcError; 74 | begin 75 | expected := SO(); 76 | expected.I['code'] := -32603; 77 | expected.S['message'] := RPC_ERR_INTERNAL_ERROR; 78 | expected.S['data'] := 'abc'; 79 | actual := TJsonRpcError.InternalError('abc'); 80 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 81 | end; 82 | 83 | procedure TTestJsonRpcError.TestInternalErrorHasDataJsonCreated; 84 | var 85 | expected: ISuperObject; 86 | actual: IJsonRpcError; 87 | begin 88 | expected := SO(); 89 | expected.I['code'] := -32603; 90 | expected.S['message'] := RPC_ERR_INTERNAL_ERROR; 91 | expected.O['data'] := SO('{a: 1}'); 92 | actual := TJsonRpcError.InternalError(SO('{a: 1}')); 93 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 94 | end; 95 | 96 | procedure TTestJsonRpcError.TestInvalidParamsHasDataAsStrCreated; 97 | var 98 | expected: ISuperObject; 99 | actual: IJsonRpcError; 100 | begin 101 | expected := SO(); 102 | expected.I['code'] := -32602; 103 | expected.S['message'] := RPC_ERR_INVALID_PARAMS; 104 | expected.S['data'] := 'abc'; 105 | actual := TJsonRpcError.InvalidParams('abc'); 106 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 107 | end; 108 | 109 | procedure TTestJsonRpcError.TestInvalidParamsHasDataJsonCreated; 110 | var 111 | expected: ISuperObject; 112 | actual: IJsonRpcError; 113 | begin 114 | expected := SO(); 115 | expected.I['code'] := -32602; 116 | expected.S['message'] := RPC_ERR_INVALID_PARAMS; 117 | expected.O['data'] := SO('{a: 1}'); 118 | actual := TJsonRpcError.InvalidParams(SO('{a: 1}')); 119 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 120 | end; 121 | 122 | procedure TTestJsonRpcError.TestInvalidRequestHasDataAsStrCreated; 123 | var 124 | expected: ISuperObject; 125 | actual: IJsonRpcError; 126 | begin 127 | expected := SO(); 128 | expected.I['code'] := -32600; 129 | expected.S['message'] := PRC_ERR_INVALID_REQUEST; 130 | expected.S['data'] := 'abc'; 131 | actual := TJsonRpcError.InvalidRequest('abc'); 132 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 133 | end; 134 | 135 | procedure TTestJsonRpcError.TestInvalidRequestHasDataJsonCreated; 136 | var 137 | expected: ISuperObject; 138 | actual: IJsonRpcError; 139 | begin 140 | expected := SO(); 141 | expected.I['code'] := -32600; 142 | expected.S['message'] := PRC_ERR_INVALID_REQUEST; 143 | expected.O['data'] := SO('{a: 1}'); 144 | actual := TJsonRpcError.InvalidRequest(SO('{a: 1}')); 145 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 146 | end; 147 | 148 | procedure TTestJsonRpcError.TestMethodNotFoundHasDataAsStrCreated; 149 | var 150 | expected: ISuperObject; 151 | actual: IJsonRpcError; 152 | begin 153 | expected := SO(); 154 | expected.I['code'] := -32601; 155 | expected.S['message'] := PRC_ERR_METHOD_NOT_FOUND; 156 | expected.S['data'] := 'test'; 157 | actual := TJsonRpcError.MethodNotFound('test'); 158 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 159 | end; 160 | 161 | procedure TTestJsonRpcError.TestMethodNotFoundHasDataJsonCreated; 162 | var 163 | expected: ISuperObject; 164 | actual: IJsonRpcError; 165 | begin 166 | expected := SO(); 167 | expected.I['code'] := -32601; 168 | expected.S['message'] := PRC_ERR_METHOD_NOT_FOUND; 169 | expected.O['data'] := SO('{a: 1}'); 170 | actual := TJsonRpcError.MethodNotFound(SO('{a: 1}')); 171 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 172 | end; 173 | 174 | procedure TTestJsonRpcError.TestParseErrorCreated; 175 | var 176 | expected: ISuperObject; 177 | actual: IJsonRpcError; 178 | begin 179 | expected := SO(); 180 | expected.I['code'] := -32700; 181 | expected.S['message'] := RPC_ERR_PARSE_ERROR; 182 | expected.S['data'] := 'test'; 183 | actual := TJsonRpcError.ParseError('test'); 184 | CheckEquals(expected.AsJSon, actual.asJsonObject.AsJSon()); 185 | end; 186 | 187 | initialization 188 | TestFramework.RegisterTest(TTestJsonRpcError.Suite); 189 | 190 | end. 191 | 192 | --------------------------------------------------------------------------------