109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2001, 2008,
|
|
* DecisionSoft Limited. All rights reserved.
|
|
* Copyright (c) 2004, 2015 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 _XQPREDICATE_HPP
|
|
#define _XQPREDICATE_HPP
|
|
|
|
#include <xqilla/ast/ASTNodeImpl.hpp>
|
|
|
|
class XQPredicate;
|
|
|
|
// NOTE: the use of "::" in front of XQillaAllocator here is
|
|
// to work around an issue in the HP-UX aCC compiler and STL
|
|
// implementation. Do not remove it.
|
|
class VectorOfPredicates : public std::vector<XQPredicate*,::XQillaAllocator<XQPredicate*> >
|
|
{
|
|
public:
|
|
VectorOfPredicates(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *mm)
|
|
: std::vector<XQPredicate*,::XQillaAllocator<XQPredicate*> >(::XQillaAllocator<XQPredicate*>(mm)) {}
|
|
};
|
|
|
|
|
|
class XQILLA_API XQPredicate : public ASTNodeImpl
|
|
{
|
|
public:
|
|
XQPredicate(ASTNode *predicate, XPath2MemoryManager* memMgr);
|
|
XQPredicate(ASTNode *expr, ASTNode *predicate, XPath2MemoryManager* memMgr);
|
|
XQPredicate(ASTNode *expr, ASTNode *predicate, bool reverse, XPath2MemoryManager* memMgr);
|
|
|
|
virtual ASTNode* staticResolution(StaticContext *context);
|
|
virtual ASTNode *staticTypingImpl(StaticContext *context);
|
|
virtual Result createResult(DynamicContext* context, int flags=0) const;
|
|
virtual Result iterateResult(const Result &contextItems, DynamicContext* context) const;
|
|
|
|
ASTNode *getExpression() const { return expr_; }
|
|
void setExpression(ASTNode *expr) { expr_ = expr; }
|
|
|
|
ASTNode *getPredicate() const { return predicate_; }
|
|
void setPredicate(ASTNode *pred) { predicate_ = pred; }
|
|
|
|
bool getReverse() const { return reverse_; }
|
|
void setReverse(bool reverse) { reverse_ = reverse; }
|
|
|
|
static ASTNode *addPredicates(ASTNode *expr, VectorOfPredicates *preds);
|
|
static ASTNode *addReversePredicates(ASTNode *expr, VectorOfPredicates *preds);
|
|
|
|
protected:
|
|
ASTNode *expr_;
|
|
ASTNode *predicate_;
|
|
bool reverse_;
|
|
};
|
|
|
|
class XQILLA_API PredicateFilterResult : public ResultImpl
|
|
{
|
|
public:
|
|
PredicateFilterResult(const Result &parent, const ASTNode *pred, size_t contextSize);
|
|
Item::Ptr next(DynamicContext *context);
|
|
std::string asString(DynamicContext *context, int indent) const;
|
|
private:
|
|
bool todo_;
|
|
Result parent_;
|
|
const ASTNode *pred_;
|
|
size_t contextPos_;
|
|
size_t contextSize_;
|
|
Item::Ptr first_;
|
|
Item::Ptr second_;
|
|
};
|
|
|
|
class NonNumericPredicateFilterResult : public ResultImpl
|
|
{
|
|
public:
|
|
NonNumericPredicateFilterResult(const Result &parent, const ASTNode *pred, size_t contextSize);
|
|
Item::Ptr next(DynamicContext *context);
|
|
std::string asString(DynamicContext *context, int indent) const;
|
|
private:
|
|
bool todo_;
|
|
Result parent_;
|
|
const ASTNode *pred_;
|
|
size_t contextPos_;
|
|
size_t contextSize_;
|
|
};
|
|
|
|
class NumericPredicateFilterResult : public ResultImpl
|
|
{
|
|
public:
|
|
NumericPredicateFilterResult(const Result &parent, const ASTNode *pred, size_t contextSize);
|
|
virtual Item::Ptr nextOrTail(Result &tail, DynamicContext *context);
|
|
private:
|
|
Result parent_;
|
|
const ASTNode *pred_;
|
|
size_t contextSize_;
|
|
};
|
|
|
|
#endif
|