Récupération de la version d’un fichier

Nov 25

Delphi

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program GenerateVersionFile;

{$APPTYPE CONSOLE}

uses
SysUtils, Windows;

type
TFileVersionInfo = record
fCompanyName,
fFileDescription,
fFileVersion,
fInternalName,
fLegalCopyRight,
fLegalTradeMark,
fOriginalFileName,
fProductName,
fProductVersion,
fComments : string;
fMajor,
fMinor,
fRelease,
fBuild : Word;
end;

{$R *.res}

procedure GetAppVersionInfo(sAppNamePath: string; var aFileVersionInfo: TFileVersionInfo);
var
iVerSize : Integer;
pcVerBuf : PChar;
pVerBufValue : Pointer;
{$IFDEF Delphi3Below}
iVerHandle : Integer;
iVerBufLen : Integer;
{$ELSE}
iVerHandle : Cardinal;
iVerBufLen : Cardinal;
{$ENDIF}
sVerKey : string;

function GetInfo(ThisKey: string): string;
begin
Result := '';
sVerKey := '\StringFileInfo\' + IntToHex(loword(integer(pVerBufValue^)), 4) +
IntToHex(hiword(integer(pVerBufValue^)), 4) + '\' + ThisKey;

if VerQueryValue(pcVerBuf, PChar(sVerKey), pVerBufValue, iVerBufLen) then
Result := StrPas(PChar(pVerBufValue));

end;

function QueryValue(ThisValue: string): string;
begin
Result := '';

if GetFileVersionInfo(PChar(sAppNamePath), iVerHandle, iVerSize, pcVerBuf) and
VerQueryValue(pcVerBuf, '\VarFileInfo\Translation', pVerBufValue, iVerBufLen) then
Result := GetInfo(ThisValue);

end;

function GetFileVersion(const FileName: TFileName): boolean;
// Returns True on success and False on failure.
var
lwSize, lwLen : LongWord;
hFile : THandle;
pcBuffer : PChar;
pInfo : ^VS_FIXEDFILEINFO;
begin
Result := False;
lwSize := GetFileVersionInfoSize(Pointer(FileName), hFile);
if lwSize > 0 then
begin
GetMem(pcBuffer, lwSize);
if GetFileVersionInfo(Pointer(FileName), 0, lwSize, pcBuffer) then
if VerQueryValue(pcBuffer, '\', pointer(pInfo), lwLen) then
begin
aFileVersionInfo.fMajor := HiWord(pInfo.dwFileVersionMS);
aFileVersionInfo.fMinor := LoWord(pInfo.dwFileVersionMS);
aFileVersionInfo.fRelease := HiWord(pInfo.dwFileVersionLS);
aFileVersionInfo.fBuild := LoWord(pInfo.dwFileVersionLS);
Result := True;
end;
FreeMem(pcBuffer);
end;
end;

begin
if sAppNamePath = '' then
Exit;

GetFileVersion(sAppNamePath);
iVerSize := GetFileVersionInfoSize(PChar(sAppNamePath), iVerHandle);
pcVerBuf := AllocMem(iVerSize);
try
with aFileVersionInfo do
begin
fCompanyName := QueryValue('CompanyName');
fFileDescription := QueryValue('FileDescription');
fFileVersion := QueryValue('FileVersion');
fInternalName := QueryValue('InternalName');
fLegalCopyRight := QueryValue('LegalCopyRight');
fLegalTradeMark := QueryValue('LegalTradeMark');
fOriginalFileName := QueryValue('OriginalFileName');
fProductName := QueryValue('ProductName');
fProductVersion := QueryValue('ProductVersion');
fComments := QueryValue('Comments');
end;
finally
FreeMem(pcVerBuf, iVerSize);
end;
end;

var
sSource, sTarget : TFileName;
fvi : TFileVersionInfo;
tfTarget : TextFile;
begin
case ParamCount of
2:
begin
sSource := ParamStr(1);
sTarget := ParamStr(2);
if (FileExists(sSource)) then
begin
if (DirectoryExists(ExtractFilePath(sTarget))) then
begin
GetAppVersionInfo(sSource, fvi);
if (fvi.fFileVersion <> '') then
begin
AssignFile(tfTarget, sTarget);
Rewrite(tfTarget);
Write(tfTarget, fvi.fFileVersion);
Flush(tfTarget);
Close(tfTarget);
Writeln('');
Writeln('''' + ExtractFileName(sTarget) + ''' updated with value: ' + fvi.fFileVersion);
end
else
begin
Writeln('File Version is emmpty!');
end;
end
else
begin
Writeln('Folder ' + ExtractFilePath(sTarget) + ' doesn''t exist!');
end;
end
else
begin
Writeln(sSource + ' doesn''t exist!');
end;
end;
else
begin
Writeln('This program expects 2 parameters!');
end;
end;

end.