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OFuzzSearch.hpp
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1997-04-05
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// OCL - OS/2 Class Library
// (c) Cubus 1995
// All Rights Reserved
// OFuzzSearch.hpp
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Neither the name Cubus nor the name Team OCL may be used to
* endorse or promote products derived from this software
* without specific prior written permission.
* 3. See OCL.INF for a detailed copyright notice.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
// $Header:$
#ifndef OFUZZSRC_INCLUDED
#define OFUZZSRC_INCLUDED
#ifndef OCLOBJECT_INCLUDED
#include <OCLObject.hpp>
#endif
#ifndef OSTRING_INCLUDED
#include <OString.hpp>
#endif
#ifndef OLIST_INCLUDED
#include <OList.hpp>
#endif
// classes
typedef class OFuzzSearch *pOFuzzSearch;
typedef struct OFuzzMatch *pOFuzzMatch;
typedef class OList<OFuzzMatch> OFuzzMatchList;
struct OFuzzMatch
{
OString text;
float similarity;
};
class __CPP_EXPORT__ OFuzzSearch
: public OCLObject
{
private:
OString file; // text file to search
ULONG parLen; // max paragraph length to search
float threshold;
OString searchFor;
class __CPP_EXPORT__ OFuzzMatchPrint
: public OConstIterator<OFuzzMatch>
{
public:
void applyToElement(const OFuzzMatch* elem) const;
};
OFuzzMatchPrint printer;
protected:
void
fuzzyMatching ();
LONG
prepareString (PSZ ConvStr,
PSZ OriginStr);
INT
NGramMatch (PSZ TextPara,
PSZ SearchStr,
INT SearchStrLen,
INT NGramLen,
INT* MaxMatch);
public:
OFuzzMatchList matches;
OFuzzSearch (PCSZ FileName,
PCSZ SearchString,
float Threshold = 100.0, // exact match
ULONG MaxParLen = 0x0000ffffL);
virtual
~OFuzzSearch ();
virtual
PSZ isOfType () const;
void
startSearch ();
void
printMatches ();
};
#endif // OFUZZSRC_INCLUDED
// end of source