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//----------------------------------------------------------------------
// This software is part of the OpenBeOS distribution and is covered
// by the OpenBeOS license.
//---------------------------------------------------------------------
/*!
\file sniffer/Pattern.h
Mime Sniffer Pattern declarations
*/
#ifndef _sk_sniffer_pattern_h_
#define _sk_sniffer_pattern_h_
#include <SupportDefs.h>
#include <string>
#include <sniffer/Range.h>
class BPositionIO;
namespace Sniffer {
class Err;
//! A byte string and optional mask to be compared against a data stream.
/*! The byte string and mask (if supplied) must be of the same length. */
class Pattern {
public:
Pattern(const char *string, const char *mask = NULL);
~Pattern();
status_t InitCheck() const;
Err* GetErr() const;
bool Sniff(Range range, BPositionIO *data) const;
status_t SetTo(const char *string, const char *mask = NULL);
private:
bool Sniff(off_t start, off_t size, BPositionIO *data) const;
void SetStatus(status_t status, const char *msg = NULL);
void SetErrorMessage(const char *msg);
std::string fString;
std::string fMask;
status_t fCStatus;
Err *fErrorMessage;
};
}
#endif // _sk_sniffer_pattern_h_