// ------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="HeaderSignature"/> class.
/// </summary>
/// <param name="checker">The checker.</param>
/// <param name="signatureName">Name of the signature.</param>
/// <param name="fileExtensions">The file extensions.</param>
/// <param name="prohibitionMode">The prohibition mode.</param>
public HeaderSignature(
ISignatureChecker checker,
string signatureName,
string[] fileExtensions,
ProhibitionMode prohibitionMode)
{
_checker = checker;
_signatureName = signatureName;
_fileExtensions = fileExtensions;
_prohibitionMode = prohibitionMode;
_byteoffset = 0;
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderSignature"/> class.
/// </summary>
/// <param name="hexStringSignature">The hex string signature.</param>
/// <param name="signatureName">Name of the signature.</param>
/// <param name="fileExtensions">The file extensions.</param>
/// <param name="prohibitionMode">The prohibition mode.</param>
public HeaderSignature(
string hexStringSignature,
string signatureName,
string[] fileExtensions,
ProhibitionMode prohibitionMode)
:
this(
hexStringSignature,
signatureName,
fileExtensions,
prohibitionMode,
SignatureMode.HexString)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderSignature"/> class.
/// </summary>
/// <param name="hexStringSignature">The hex string signature.</param>
/// <param name="signatureName">Name of the signature.</param>
/// <param name="fileExtensions">The file extensions.</param>
/// <param name="prohibitionMode">The prohibition mode.</param>
/// <param name="signatureMode">The signature mode.</param>
public HeaderSignature(
string hexStringSignature,
string signatureName,
string[] fileExtensions,
ProhibitionMode prohibitionMode,
SignatureMode signatureMode)
{
_checker = new SimplePatternSignatureChecker(0, 0,
hexStringSignature,
signatureMode);
_signatureName = signatureName;
_fileExtensions = fileExtensions;
_prohibitionMode = prohibitionMode;
_byteoffset = 0;
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderSignature"/> class.
/// </summary>
/// <param name="hexStringSignature">The hex string signature.</param>
/// <param name="signatureName">Name of the signature.</param>
/// <param name="fileExtensions">The file extensions.</param>
/// <param name="prohibitionMode">The prohibition mode.</param>
public HeaderSignature(
int byteoffset,
int firstnumberofbytestoread,
string hexStringSignature,
string signatureName,
string[] fileExtensions,
ProhibitionMode prohibitionMode)
:
this(
byteoffset,
firstnumberofbytestoread,
hexStringSignature,
signatureName,
fileExtensions,
prohibitionMode,
SignatureMode.HexString)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderSignature"/> class.
/// </summary>
/// <param name="hexStringSignature">The hex string signature.</param>
/// <param name="signatureName">Name of the signature.</param>
/// <param name="fileExtensions">The file extensions.</param>
/// <param name="prohibitionMode">The prohibition mode.</param>
/// <param name="signatureMode">The signature mode.</param>
public HeaderSignature(
int byteoffset,
int firstnumberofbytestoread,
string hexStringSignature,
string signatureName,
string[] fileExtensions,
ProhibitionMode prohibitionMode,
SignatureMode signatureMode)
{
_checker = new SimplePatternSignatureChecker(
byteoffset,
firstnumberofbytestoread,
hexStringSignature,
signatureMode);
_signatureName = signatureName;
_fileExtensions = fileExtensions;
_prohibitionMode = prohibitionMode;
_byteoffset = byteoffset;
}
// ------------------------------------------------------------------
#endregion
#region Public methods.
// ------------------------------------------------------------------
public static HeaderSignature[] CustomSignatures(DataTable dtSignatures)
{
List <HeaderSignature> hds = new List <HeaderSignature>();
string strHexPattern;
string strSignatureName;
int intByteOffset = 0;
int intFirstNumberOfBytesToRead = 0;
string strFileExtensions;
bool blEnabled = false;
bool blProhibited = false;
ProhibitionMode pmode = ProhibitionMode.Allowed;
char[] delimiters = new char[] { ';' };
foreach (DataRow row in dtSignatures.Rows)
{
blEnabled = FixNullbool(row["Enabled"]);
int.TryParse(FixNullstring(row["ByteOffset"]), out intByteOffset);
int.TryParse(FixNullstring(row["FirstNumberOfBytesToRead"]), out intFirstNumberOfBytesToRead);
strHexPattern = FixNullstring(row["HexPattern"]);
strSignatureName = FixNullstring(row["SignatureName"]);
strFileExtensions = FixNullstring(row["FileExtensions"]);
string[] strArr_FileExtensions = strFileExtensions.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
blProhibited = FixNullbool(row["Prohibited"]);
if (blProhibited)
{
pmode = ProhibitionMode.Prohibited;
}
else
{
pmode = ProhibitionMode.Allowed;
}
if (blEnabled)
{
hds.Add(new HeaderSignature(intByteOffset, intFirstNumberOfBytesToRead, strHexPattern, strSignatureName, strArr_FileExtensions, pmode));
}
}
return(hds.ToArray());
}
