public RpmReader(string rpmFile)
{
_state = StateRead.RPMFILE_NOTFOUND;
if (File.Exists(rpmFile))
{
_fileStream = new FileStream(rpmFile, FileMode.Open, FileAccess.Read);
_state = StateRead.RPMFILE_NOT_VALIDATE;
_headerSection = new RpmHeaderSection(_fileStream);
_leadSection = new RpmLeadSection(_fileStream);
_signatureSection = new RpmSignatureSection(_fileStream);
_archiveSection = new RpmArchiveSection(_fileStream);
}
else
{
_state = StateRead.RPMFILE_NOTFOUND;
throw new FileNotFoundException($"File {rpmFile} not found");
}
}
/// <summary>
/// validate a input file
/// </summary>
/// <returns></returns>
public bool Validate()
{
if (_state == StateRead.RPMFILE_NOTFOUND || _state == StateRead.RPMFILE_VALIDATE_ERROR)
{
return(false);
}
if (_state == StateRead.RPMFILE_VALIDATE_SUCCESS)
{
return(true);
}
_fileStream.Position = 0;
List <Func <bool> > readers = new List <Func <bool> >();
readers.Add(ReadLead);
readers.Add(ReadSignature);
readers.Add(ReadHeader);
readers.Add(ReadArchive);
bool validate = true;
unchecked
{
foreach (var reader in readers)
{
if (!reader())
{
validate = false;
break;
}
}
}
_state = validate ? StateRead.RPMFILE_VALIDATE_SUCCESS : StateRead.RPMFILE_VALIDATE_ERROR;
return(validate);
}
public RpmReader(string rpmFile)
{
_state = StateRead.RPMFILE_NOTFOUND;
if (File.Exists(rpmFile))
{
_fileStream = new FileStream(rpmFile, FileMode.Open, FileAccess.Read);
_state = StateRead.RPMFILE_NOT_VALIDATE;
_headerSection = new RpmHeaderSection(_fileStream);
_leadSection = new RpmLeadSection(_fileStream);
_signatureSection = new RpmSignatureSection(_fileStream);
_archiveSection = new RpmArchiveSection(_fileStream);
}
else
{
_state = StateRead.RPMFILE_NOTFOUND;
throw new FileNotFoundException($"File {rpmFile} not found");
}
}
/// <summary>
/// validate a input file
/// </summary>
/// <returns></returns>
public bool Validate()
{
if (_state == StateRead.RPMFILE_NOTFOUND || _state == StateRead.RPMFILE_VALIDATE_ERROR)
return false;
if (_state == StateRead.RPMFILE_VALIDATE_SUCCESS)
return true;
_fileStream.Position = 0;
List<Func<bool>> readers = new List<Func<bool>>();
readers.Add(ReadLead);
readers.Add(ReadSignature);
readers.Add(ReadHeader);
readers.Add(ReadArchive);
bool validate = true;
unchecked
{
foreach (var reader in readers)
{
if (!reader())
{
validate = false;
break;
}
}
}
_state = validate ? StateRead.RPMFILE_VALIDATE_SUCCESS : StateRead.RPMFILE_VALIDATE_ERROR;
return validate;
}