XQuilla/include/xqilla/fulltext/FTSelection.hpp
2020-02-17 22:11:31 +01:00

88 lines
2.1 KiB
C++

/*
* Copyright (c) 2001-2006
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004-2006
* Progress Software Corporation. All rights reserved.
* Copyright (c) 2004-2006
* Oracle. All rights reserved.
*
* See the file LICENSE for redistribution information.
*
* $Id: FTSelection.hpp,v 1.6 2007/08/16 13:08:27 jpcs Exp $
*/
#ifndef _FTSELECTION_HPP
#define _FTSELECTION_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/StaticAnalysis.hpp>
#include <xqilla/ast/LocationInfo.hpp>
#include <xqilla/fulltext/AllMatches.hpp>
#include <xqilla/fulltext/TokenStore.hpp>
#include <xqilla/framework/XPath2MemoryManager.hpp>
#include <vector>
class DynamicContext;
class StaticContext;
class XQILLA_API FTContext
{
public:
FTContext(const Tokenizer *tok, const TokenStore::Ptr &tStore, DynamicContext *cont)
: queryPos(0), tokenizer(tok), tokenStore(tStore), context(cont) {}
unsigned int queryPos;
const Tokenizer *tokenizer;
TokenStore::Ptr tokenStore;
DynamicContext *context;
};
class XQILLA_API FTSelection : public LocationInfo
{
public:
/// The type of the FTSelection node
enum Type {
OR,
AND,
MILD_NOT,
UNARY_NOT,
WORDS,
WORD,
ORDER,
DISTANCE,
DISTANCE_LITERAL,
SCOPE,
CONTENT,
WINDOW,
WINDOW_LITERAL
};
virtual ~FTSelection() {}
Type getType() const { return type_; }
virtual const StaticAnalysis &getStaticAnalysis() const { return src_; }
virtual FTSelection *staticResolution(StaticContext *context) = 0;
virtual FTSelection *staticTyping(StaticContext *context) = 0;
virtual FTSelection *optimize(FTContext *context, bool execute) const = 0;
virtual AllMatches::Ptr execute(FTContext *ftcontext) const = 0;
protected:
FTSelection(Type type, XPath2MemoryManager *memMgr)
: src_(memMgr), type_(type), memMgr_(memMgr) {}
XPath2MemoryManager *getMemoryManager() const { return memMgr_; }
StaticAnalysis src_;
private:
Type type_;
XPath2MemoryManager *memMgr_;
};
typedef std::vector<FTSelection*,XQillaAllocator<FTSelection*> > VectorOfFTSelections;
#endif