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304 changes: 304 additions & 0 deletions Units/uWmiVBNetCode.pas
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Original file line number Diff line number Diff line change
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unit uWmiVBNetCode;

interface

uses
uWmiGenCode,
Classes;


type
TCVBNetWmiClassCodeGenerator=class(TWmiClassCodeGenerator)
public
procedure GenerateCode(Props: TStrings);override;
end;

TCVBNetWmiEventCodeGenerator=class(TWmiEventCodeGenerator)
public
procedure GenerateCode(ParamsIn, Values, Conds, PropsOut: TStrings);override;
end;

TCVBNetWmiMethodCodeGenerator=class(TWmiMethodCodeGenerator)
private
function GetWmiClassDescription: string;
public
procedure GenerateCode(ParamsIn, Values: TStrings);override;
end;

implementation

uses
uSelectCompilerVersion,
StrUtils,
IOUtils,
ComObj,
uWmi_Metadata,
SysUtils;


const
sTagVBNetCode = '[VBNETCODE]';
sTagVBNetEventsWql = '[VBNETEVENTSWQL]';
sTagVBNetEventsOut = '[VBNETEVENTSOUT]';
sTagVBNetCodeParamsIn = '[VBNETCODEINPARAMS]';
sTagVBNetCodeParamsOut = '[VBNETCODEOUTPARAMS]';

function EscapeVBNetStr(const Value:string) : string;
const
ArrChr : Array [0..1] of Char = ('\','"');
ArrChrEscape : Array [0..1] of Char = ('\','\');
Var
i : integer;
begin
Result:=Value;
for i:= Low(ArrChr) to High(ArrChr) do
Result:=StringReplace(Result,ArrChr[i],ArrChrEscape[i]+ArrChr[i], [rfReplaceAll]);
end;


{ TCVBNetWmiClassCodeGenerator }

procedure TCVBNetWmiClassCodeGenerator.GenerateCode(Props: TStrings);
var
StrCode: string;
Descr: string;
DynCode: TStrings;
i: integer;
TemplateCode : string;
Padding : string;
CimType:Integer;

begin
Descr := GetWmiClassDescription;

OutPutCode.BeginUpdate;
DynCode := TStringList.Create;
try
OutPutCode.Clear;
StrCode := TFile.ReadAllText(GetTemplateLocation(Lng_VBNet, ModeCodeGeneration, TWmiGenCode.WmiClasses));

StrCode := StringReplace(StrCode, sTagVersionApp, FileVersionStr, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiClassName, WmiClass, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiNameSpace, EscapeVBNetStr(WmiNamespace), [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagHelperTemplate, TemplateCode, [rfReplaceAll]);
Padding:=StringOfChar(' ',20);
if Props.Count > 0 then
for i := 0 to Props.Count - 1 do
begin
CimType:=Integer(Props.Objects[i]);
case CimType of
wbemCimtypeDatetime :
DynCode.Add(Format(
Padding+'Console.WriteLine("{0,-35} {1,-40}","%s",ManagementDateTimeConverter.ToDateTime((string)WmiObject("%s")))'' %s',
[Props.Names[i], Props.Names[i], Props.ValueFromIndex[i]]))
else
DynCode.Add(Format(
Padding+'Console.WriteLine("{0,-35} {1,-40}","%s",WmiObject("%s"))'' %s',
[Props.Names[i], Props.Names[i], Props.ValueFromIndex[i]]));
end;
end;

StrCode := StringReplace(StrCode, sTagVBNetCode, DynCode.Text, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiClassDescr, Descr, [rfReplaceAll]);
OutPutCode.Text := StrCode;
finally
OutPutCode.EndUpdate;
DynCode.Free;
end;
end;


{ TCVBNetWmiEventCodeGenerator }

procedure TCVBNetWmiEventCodeGenerator.GenerateCode(ParamsIn, Values, Conds,
PropsOut: TStrings);
var
StrCode: string;
sValue: string;
Wql: string;
i, Len: integer;
Props: TStrings;
Padding : string;
CimType:Integer;
begin
Padding := StringOfChar(' ',10);
StrCode := TFile.ReadAllText(GetTemplateLocation(Lng_VBNet, ModeCodeGeneration, TWmiGenCode.WmiEvents));

WQL := Format('Select * From %s Within %d ', [WmiClass, PollSeconds]);
WQL := Format(Padding+StringOfChar(' ',6)+'WmiQuery ="%s"+%s', [WQL, sLineBreak]);

if WmiTargetInstance <> '' then
begin
sValue := Format('"Where TargetInstance ISA %s "', [QuotedStr(WmiTargetInstance)]);
WQL := WQL + Padding+StringOfChar(' ',6) + sValue + '+' + sLineBreak;
end;

for i := 0 to Conds.Count - 1 do
begin
sValue := '';
if (i > 0) or ((i = 0) and (WmiTargetInstance <> '')) then
sValue := 'AND ';
sValue := sValue + ' ' + ParamsIn.Names[i] + Conds[i] + Values[i] + ' ';
WQL := WQL + StringOfChar(' ', 8) + QuotedStr(sValue) + '+' + sLineBreak;
end;

i := LastDelimiter('+', Wql);
if i > 0 then
Wql[i] := ';';


Len := GetMaxLengthItem(PropsOut) + 6;
Props := TStringList.Create;
try
for i := 0 to PropsOut.Count - 1 do
begin
CimType:=Integer(PropsOut.Objects[i]);
case CimType of
wbemCimtypeDatetime :
if StartsText(wbemTargetInstance,PropsOut[i]) then
Props.Add(Format(Padding+' Console.WriteLine("%-'+IntToStr(Len)+'s" & ManagementDateTimeConverter.ToDateTime((string)((ManagementBaseObject)e.NewEvent.Properties("%s").Value)("%s"))',
[PropsOut[i]+' : ',wbemTargetInstance, StringReplace(PropsOut[i],wbemTargetInstance+'.','',[rfReplaceAll])]))
else
Props.Add(Format(Padding+' Console.WriteLine("%-'+IntToStr(Len)+'s" & ManagementDateTimeConverter.ToDateTime(e.NewEvent.Properties("%s").Value.ToString()))', [PropsOut[i]+' : ', PropsOut[i]]));
else
begin
if StartsText(wbemTargetInstance,PropsOut[i]) then
Props.Add(Format(Padding+' Console.WriteLine("%-'+IntToStr(Len)+'s" & ((ManagementBaseObject)e.NewEvent.Properties("%s").Value)("%s")',
[PropsOut[i]+' : ',wbemTargetInstance, StringReplace(PropsOut[i],wbemTargetInstance+'.','',[rfReplaceAll])]))
else
Props.Add(Format(Padding+' Console.WriteLine("%-'+IntToStr(Len)+'s" & e.NewEvent.Properties("%s").Value.ToString())', [PropsOut[i]+' : ', PropsOut[i]]));
end;

end;
end;

StrCode := StringReplace(StrCode, sTagVBNetEventsOut, Props.Text, [rfReplaceAll]);
finally
props.Free;
end;

StrCode := StringReplace(StrCode, sTagVersionApp, FileVersionStr, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagVBNetEventsWql, WQL, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiClassName, WmiClass, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiNameSpace, EscapeVBNetStr(WmiNamespace), [rfReplaceAll]);
OutPutCode.Text := StrCode;
end;


{ TCVBNetWmiMethodCodeGenerator }

procedure TCVBNetWmiMethodCodeGenerator.GenerateCode(ParamsIn,
Values: TStrings);
var
StrCode: string;
Descr: string;
DynCodeInParams: TStrings;
DynCodeOutParams: TStrings;
i: integer;

IsStatic: boolean;
TemplateCode : string;
Padding : string;
begin
Padding := stringofchar(' ', 14);
Descr := GetWmiClassDescription;
OutPutCode.BeginUpdate;
DynCodeInParams := TStringList.Create;
DynCodeOutParams := TStringList.Create;
try
IsStatic := WMiClassMetaData.MethodByName[WmiMethod].IsStatic;

OutPutCode.Clear;
if IsStatic then
begin
{
if UseHelperFunctions then
TemplateCode := TFile.ReadAllText(GetTemplateLocation(sTemplateTemplateFuncts))
else
TemplateCode:='';
}
StrCode := TFile.ReadAllText(GetTemplateLocation(Lng_VBNet, ModeCodeGeneration, TWmiGenCode.WmiMethodStatic));
end
else
begin
{
if UseHelperFunctions then
TemplateCode := TFile.ReadAllText(GetTemplateLocation(sTemplateTemplateFuncts))
else
TemplateCode:='';
}
StrCode := TFile.ReadAllText(GetTemplateLocation(Lng_VBNet, ModeCodeGeneration, TWmiGenCode.WmiMethodNonStatic));
end;

StrCode := StringReplace(StrCode, sTagVersionApp, FileVersionStr, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiClassName, WmiClass, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiNameSpace, EscapeVBNetStr(WmiNamespace), [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiMethodName, WmiMethod, [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagWmiPath, EscapeVBNetStr(WmiPath), [rfReplaceAll]);
StrCode := StringReplace(StrCode, sTagHelperTemplate, TemplateCode, [rfReplaceAll]);


//In Params
if ParamsIn.Count > 0 then
for i := 0 to ParamsIn.Count - 1 do
if Values[i] <> WbemEmptyParam then
if ParamsIn.ValueFromIndex[i] = wbemtypeString then
DynCodeInParams.Add(
Format(Padding+' inParams("%s")="%s"', [ParamsIn.Names[i], Values[i]]))
else
DynCodeInParams.Add(
Format(Padding+' inParams("%s")=%s', [ParamsIn.Names[i], Values[i]]));
StrCode := StringReplace(StrCode, sTagVBNetCodeParamsIn, DynCodeInParams.Text, [rfReplaceAll]);

//Out Params
if WMiClassMetaData.MethodByName[WmiMethod].OutParameters.Count > 1 then
begin
for i := 0 to WMiClassMetaData.MethodByName[WmiMethod].OutParameters.Count - 1 do
DynCodeOutParams.Add(
Format(Padding+' Console.WriteLine("{0,-35} {1,-40}","%s",outParams("%s")',
[WMiClassMetaData.MethodByName[WmiMethod].OutParameters[i].Name, WMiClassMetaData.MethodByName[WmiMethod].OutParameters[i].Name]));
end
else
if WMiClassMetaData.MethodByName[WmiMethod].OutParameters.Count = 1 then
begin
DynCodeOutParams.Add(
Format(Padding+' Console.WriteLine("{0,-35} {1,-40}","Return Value",%s)',['outParams("ReturnValue")']));
end;

StrCode := StringReplace(StrCode, sTagVBNetCodeParamsOut,
DynCodeOutParams.Text, [rfReplaceAll]);

StrCode := StringReplace(StrCode, sTagWmiMethodDescr, Descr, [rfReplaceAll]);
OutPutCode.Text := StrCode;
finally
OutPutCode.EndUpdate;
DynCodeInParams.Free;
DynCodeOutParams.Free;
end;
end;


function TCVBNetWmiMethodCodeGenerator.GetWmiClassDescription: string;
var
ClassDescr : TStringList;
Index : Integer;
begin
ClassDescr:=TStringList.Create;
try
Result := WMiClassMetaData.MethodByName[WmiMethod].Description;

if Pos(#10, Result) = 0 then //check if the description has format
ClassDescr.Text := WrapText(Result, 80)
else
ClassDescr.Text := Result;//WrapText(Summary,sLineBreak,[#10],80);

for Index := 0 to ClassDescr.Count - 1 do
ClassDescr[Index] := Format(''' %s', [ClassDescr[Index]]);

Result:=ClassDescr.Text;
finally
ClassDescr.Free;
end;
end;

end.