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- /*
- * Copyright (C) 1994, Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
- * the contents of this file may not be disclosed to third parties, copied or
- * duplicated in any form, in whole or in part, without the prior written
- * permission of Silicon Graphics, Inc.
- *
- * RESTRICTED RIGHTS LEGEND:
- * Use, duplication or disclosure by the Government is subject to restrictions
- * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
- * and Computer Software clause at DFARS 252.227-7013, and/or in similar or
- * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
- * rights reserved under the Copyright Laws of the United States.
- */
- #pragma once
-
- #include "OkTextPat.h"
-
- // Class for doing regular expression searches. The relevant routines
- // from libPW are included in this library.
-
- class OkRegEx : public OkTextPat {
- public:
-
- OkRegEx(char * pattern);
- OkRegEx(OkStr &);
- OkRegEx(OkRegEx& a)
- { regcmp_stuff = (char*) new char[strlen(a.regcmp_stuff)+1]; };
- ~OkRegEx();
-
- // Determine whether this is a valid regular expression.
- int isValid() { return regcmp_stuff != 0; }
-
- protected:
- char * regcmp_stuff;
-
- // If the regular expression is invalid, the searching routines
- // act as if it could not be found, except that
- // findBuffer and bracketBuffer return -2 instead of -1.
- virtual int findBuffer(char*, u_int) ;
- virtual int findEndBuffer(char*, u_int) ;
- virtual void bracketBuffer(char*, u_int, int&, int&) ;
- };
-
- // Tell whether this string contains any special regular
- // expression characters.
- extern OkBool OkIsRegEx(char *);
-