XQuilla/include/xqilla/fulltext/FTDistance.hpp
2020-02-17 22:24:47 +01:00

135 lines
4.8 KiB
C++

/*
* Copyright (c) 2001, 2008,
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004, 2018 Oracle and/or its affiliates. All rights reserved.
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _FTDISTANCE_HPP
#define _FTDISTANCE_HPP
#include <xqilla/fulltext/FTOption.hpp>
#include <xqilla/fulltext/FTRange.hpp>
class XQILLA_API FTDistance : public FTOption
{
public:
FTDistance(const FTRange &range, FTUnit unit, XPath2MemoryManager *memMgr)
: FTOption(FTSelection::DISTANCE, memMgr), arg_(0), range_(range), unit_(unit) {}
FTDistance(const FTRange &range, FTUnit unit, FTSelection *arg, XPath2MemoryManager *memMgr)
: FTOption(FTSelection::DISTANCE, memMgr), arg_(arg), range_(range), unit_(unit) {}
virtual FTSelection *staticResolution(StaticContext *context);
virtual FTSelection *staticTypingImpl(StaticContext *context);
virtual FTSelection *optimize(FTContext *context) const;
virtual AllMatches *execute(FTContext *ftcontext) const;
virtual void setArgument(FTSelection *arg) { arg_ = arg; }
FTSelection *getArgument() const { return arg_; }
const FTRange &getRange() const { return range_; }
FTUnit getUnit() const { return unit_; }
private:
FTSelection *arg_;
FTRange range_;
FTUnit unit_;
};
class XQILLA_API FTDistanceLiteral : public FTOption
{
public:
FTDistanceLiteral(FTRange::Type type, unsigned int distance, unsigned int distance2,
FTUnit unit, XPath2MemoryManager *memMgr)
: FTOption(DISTANCE_LITERAL, memMgr), arg_(0), type_(type), distance_(distance),
distance2_(distance2), unit_(unit) {}
FTDistanceLiteral(FTSelection *arg, FTRange::Type type, unsigned int distance,
unsigned int distance2, FTUnit unit, XPath2MemoryManager *memMgr)
: FTOption(DISTANCE_LITERAL, memMgr), arg_(arg), type_(type), distance_(distance),
distance2_(distance2), unit_(unit) {}
virtual FTSelection *staticResolution(StaticContext *context);
virtual FTSelection *staticTypingImpl(StaticContext *context);
virtual FTSelection *optimize(FTContext *context) const;
virtual AllMatches *execute(FTContext *ftcontext) const;
virtual void setArgument(FTSelection *arg) { arg_ = arg; }
FTSelection *getArgument() const { return arg_; }
const FTRange::Type getType() const { return type_; }
unsigned int getDistance() const { return distance_; }
unsigned int getDistance2() const { return distance2_; }
FTUnit getUnit() const { return unit_; }
private:
FTSelection *arg_;
FTRange::Type type_;
unsigned int distance_, distance2_;
FTUnit unit_;
};
class FTDistanceMatches : public AllMatches
{
public:
FTDistanceMatches(const LocationInfo *info, unsigned int distance, FTOption::FTUnit unit, AllMatches *arg)
: AllMatches(info), distance_(distance), unit_(unit), arg_(arg), excludes_() {}
~FTDistanceMatches();
bool next(DynamicContext *context);
const StringMatches &getStringIncludes();
const StringMatches &getStringExcludes();
virtual bool distanceMatches(unsigned int actual) const = 0;
protected:
unsigned int distance_;
FTOption::FTUnit unit_;
AllMatches *arg_;
StringMatches excludes_;
};
class FTDistanceExactlyMatches : public FTDistanceMatches
{
public:
FTDistanceExactlyMatches(const LocationInfo *info, unsigned int distance, FTOption::FTUnit unit, AllMatches *arg)
: FTDistanceMatches(info, distance, unit, arg) {}
bool distanceMatches(unsigned int actual) const;
};
class FTDistanceAtLeastMatches : public FTDistanceMatches
{
public:
FTDistanceAtLeastMatches(const LocationInfo *info, unsigned int distance, FTOption::FTUnit unit, AllMatches *arg)
: FTDistanceMatches(info, distance, unit, arg) {}
bool distanceMatches(unsigned int actual) const;
};
class FTDistanceAtMostMatches : public FTDistanceMatches
{
public:
FTDistanceAtMostMatches(const LocationInfo *info, unsigned int distance, FTOption::FTUnit unit, AllMatches *arg)
: FTDistanceMatches(info, distance, unit, arg) {}
bool distanceMatches(unsigned int actual) const;
};
class FTDistanceFromToMatches : public FTDistanceMatches
{
public:
FTDistanceFromToMatches(const LocationInfo *info, unsigned int from, unsigned int to, FTOption::FTUnit unit, AllMatches *arg)
: FTDistanceMatches(info, from, unit, arg), distance2_(to) {}
bool distanceMatches(unsigned int actual) const;
private:
unsigned int distance2_;
};
#endif