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

99 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 _FTWORDS_HPP
#define _FTWORDS_HPP
#include <xqilla/fulltext/FTSelection.hpp>
#include <xqilla/runtime/Result.hpp>
class ASTNode;
class XQILLA_API FTWords : public FTSelection
{
public:
/// Enumeration representing the way to match words and phrases
enum FTAnyallOption {
ANY,
ANY_WORD,
ALL,
ALL_WORDS,
PHRASE
};
FTWords(ASTNode *expr, FTAnyallOption option, XPath2MemoryManager *memMgr);
virtual FTSelection *staticResolution(StaticContext *context);
virtual FTSelection *staticTypingImpl(StaticContext *context);
virtual FTSelection *optimize(FTContext *context) const;
virtual AllMatches *execute(FTContext *ftcontext) const;
ASTNode *getExpr() const { return expr_; }
void setExpr(ASTNode *expr) { expr_ = expr; }
FTAnyallOption getOption() const { return option_; }
private:
FTSelection *optimizeAnyWord(Result strings, FTContext *ftcontext) const;
FTSelection *optimizeAllWords(Result strings, FTContext *ftcontext) const;
FTSelection *optimizePhrase(Result strings, FTContext *ftcontext) const;
FTSelection *optimizeAny(Result strings, FTContext *ftcontext) const;
FTSelection *optimizeAll(Result strings, FTContext *ftcontext) const;
AllMatches *executeAnyWord(Result strings, FTContext *ftcontext) const;
AllMatches *executeAllWords(Result strings, FTContext *ftcontext) const;
AllMatches *executePhrase(Result strings, FTContext *ftcontext) const;
AllMatches *executeAny(Result strings, FTContext *ftcontext) const;
AllMatches *executeAll(Result strings, FTContext *ftcontext) const;
ASTNode *expr_;
FTAnyallOption option_;
};
class XQILLA_API FTWord : public FTSelection
{
public:
FTWord(const XMLCh *queryString, XPath2MemoryManager *memMgr);
virtual FTSelection *staticResolution(StaticContext *context);
virtual FTSelection *staticTypingImpl(StaticContext *context);
virtual FTSelection *optimize(FTContext *context) const;
virtual AllMatches *execute(FTContext *ftcontext) const;
const XMLCh *getQueryString() const { return queryString_; }
private:
const XMLCh *queryString_;
};
class FTStringSearchMatches : public AllMatches
{
public:
FTStringSearchMatches(const LocationInfo *info, const XMLCh *queryString, FTContext *ftcontext);
bool next(DynamicContext *context);
const StringMatches &getStringIncludes();
const StringMatches &getStringExcludes();
private:
unsigned int queryPos_;
TokenStream::Ptr tokenStream_;
StringMatches includes_;
StringMatches excludes_;
};
#endif