pascal/lazarus-ccr
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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@305 8e941d3f-bd1b-0410-a28a-d453659cc2b4

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This commit is contained in:
inoussa
2007-12-29 18:32:26 +00:00
parent 683d9d9f9d
commit 7764171659
1 changed files with 73 additions and 7 deletions
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80
wst/trunk/server_service_json.pas
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@ -29,7 +29,10 @@ type
FCallProcedureName : string;
FCallTarget : string;
FIDObject : TJSONData;
Protected
FVersion : string;
FVersionEnum : TJonRPCVersion;
protected
procedure SetVersion(const AValue : string);
procedure BeginCallResponse(Const AProcName,ATarget:string);
procedure EndCallResponse();
procedure BeginCallRead(ACallContext : ICallContext);
@ -41,13 +44,17 @@ type
);
procedure EndExceptionList();
public
constructor Create();override;
destructor Destroy();override;
property Version : string read FVersion;
property VersionEnum : TJonRPCVersion read FVersionEnum;
end;
procedure Server_service_RegisterJsonFormat();
implementation
uses jsonparser;
uses
jsonparser, StrUtils;
procedure Server_service_RegisterJsonFormat();
begin
@ -90,10 +97,29 @@ end;
{ TJsonRpcFormatter }
procedure TJsonRpcFormatter.SetVersion(const AValue : string);
var
i : PtrInt;
begin
if ( FVersion = AValue ) then
Exit;
i := AnsiIndexStr(AValue,[s_json_rpc_version_10,s_json_rpc_version_11]);
if ( i < 0 ) then
Error('JSON-RPC version not supported : %s',[AValue]);
FVersion := AValue;
FVersionEnum := TJonRPCVersion(i);
end;
procedure TJsonRpcFormatter.BeginCallResponse(const AProcName, ATarget : string);
var
locBuffer : string;
begin
Clear();
BeginObject('',nil);
if ( VersionEnum = jsonRPC_11 ) then begin
locBuffer := s_json_rpc_version_11;
Put(s_json_version,TypeInfo(string),locBuffer);
end;
end;
procedure TJsonRpcFormatter.EndCallResponse();
@ -101,12 +127,16 @@ var
locRoot : TJSONObject;
begin
locRoot := GetRootData();
locRoot.Elements[s_json_error] := TJSONNull.Create();
if ( locRoot.IndexOfName(s_json_result) < 0 ) then
locRoot.Elements[s_json_result] := TJSONNull.Create();
if ( VersionEnum = jsonRPC_10 ) then
locRoot.Elements[s_json_error] := TJSONNull.Create();
if Assigned(FIDObject) then begin
locRoot.Elements[s_json_id] := FIDObject;
FIDObject := nil;
end else begin
locRoot.Elements[s_json_id] := TJSONNull.Create();
if ( VersionEnum = jsonRPC_10 ) then
locRoot.Elements[s_json_id] := TJSONNull.Create();
end;
EndScope();
end;
@ -115,19 +145,46 @@ procedure TJsonRpcFormatter.BeginCallRead(ACallContext : ICallContext);
var
nameBuffer, strBuffer : string;
rootObj : TJSONObject;
tmpObj : TJSONData;
i : PtrInt;
paramsAsArray : Boolean;
begin
ClearStack();
FreeAndNil(FIDObject);
rootObj := GetRootData();
PushStack(rootObj,stObject);
i := rootObj.IndexOfName(s_json_version);
strBuffer := s_json_rpc_version_10; // Assume 1.0 by default
if ( i > -1 ) then begin
tmpObj := rootObj.Items[i];
if not rootObj.Items[i].IsNull then
strBuffer := tmpObj.AsString;
end;
SetVersion(strBuffer);
nameBuffer := s_json_method;
Get(TypeInfo(string),nameBuffer,FCallProcedureName);
i := rootObj.IndexOfName(s_json_id);
if ( i > -1 ) then
FIDObject := Clone(rootObj);
FIDObject := Clone(rootObj.Items[i]);
if ( VersionEnum = jsonRPC_11 ) then begin
i := rootObj.IndexOfName(s_json_params);
if ( i > 0 ) then begin
paramsAsArray := ( rootObj.Items[i].JSONType() = jtArray );
end else begin
rootObj.Add(s_json_params,TJSONArray.Create());
paramsAsArray := True;
end;
end else begin
paramsAsArray := True;
end;
nameBuffer := s_json_params;
BeginArrayRead(nameBuffer,nil,asScoped,'');
if paramsAsArray then
BeginArrayRead(nameBuffer,nil,asScoped,'')
else
BeginObjectRead(nameBuffer,nil);
end;
function TJsonRpcFormatter.GetCallProcedureName() : String;
@ -151,7 +208,10 @@ begin
BeginObject('',nil);
locRoot := GetRootData();
locRoot.Elements[s_json_result] := TJSONNull.Create();
case VersionEnum of
jsonRPC_10 : locRoot.Elements[s_json_result] := TJSONNull.Create();
jsonRPC_11 : locRoot.Add(s_json_version,s_json_rpc_version_11)
end;
locError := TJSONObject.Create();
locRoot.Elements[s_json_error] := locError;
locError.Add(s_json_name,'');
@ -170,6 +230,12 @@ begin
EndScope();
end;
constructor TJsonRpcFormatter.Create();
begin
inherited Create();
SetVersion(s_json_rpc_version_10);
end;
destructor TJsonRpcFormatter.Destroy();
begin
FreeAndNil(FIDObject);