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

98 lines
3.2 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 _FTWINDOW_HPP
#define _FTWINDOW_HPP
#include <xqilla/fulltext/FTOption.hpp>
#include <set>
class ASTNode;
class XQILLA_API FTWindow : public FTOption
{
public:
FTWindow(ASTNode *expr, FTUnit unit, XPath2MemoryManager *memMgr)
: FTOption(FTSelection::WINDOW, memMgr), expr_(expr), unit_(unit), arg_(0) {}
FTWindow(FTSelection *arg, ASTNode *expr, FTUnit unit, XPath2MemoryManager *memMgr)
: FTOption(FTSelection::WINDOW, memMgr), expr_(expr), unit_(unit), arg_(arg) {}
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_; }
ASTNode *getExpr() const { return expr_; }
void setExpr(ASTNode *expr) { expr_ = expr; }
FTUnit getUnit() const { return unit_; }
private:
ASTNode *expr_;
FTUnit unit_;
FTSelection *arg_;
};
class XQILLA_API FTWindowLiteral : public FTOption
{
public:
FTWindowLiteral(FTSelection *arg, unsigned int distance, FTUnit unit,
XPath2MemoryManager *memMgr)
: FTOption(WINDOW_LITERAL, memMgr), arg_(arg), distance_(distance),
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_; }
unsigned int getDistance() const { return distance_; }
FTUnit getUnit() const { return unit_; }
private:
FTSelection *arg_;
unsigned int distance_;
FTUnit unit_;
};
class FTWindowMatches : public AllMatches
{
public:
FTWindowMatches(const LocationInfo *info, unsigned int distance, FTOption::FTUnit unit, AllMatches *arg)
: AllMatches(info), distance_(distance), unit_(unit), arg_(arg), found_(true), excludes_() {}
~FTWindowMatches();
bool next(DynamicContext *context);
const StringMatches &getStringIncludes();
const StringMatches &getStringExcludes();
private:
unsigned int distance_;
FTOption::FTUnit unit_;
AllMatches *arg_;
bool found_;
std::set<unsigned int> excludeValues_;
std::set<unsigned int>::iterator excludeIt_;
StringMatches excludes_;
};
#endif