98 lines
2.8 KiB
C++
98 lines
2.8 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: XQPredicate.hpp,v 1.3 2006/11/01 16:37:11 jpcs Exp $
|
|
*/
|
|
|
|
#ifndef _XQPREDICATE_HPP
|
|
#define _XQPREDICATE_HPP
|
|
|
|
#include <xqilla/ast/ASTNodeImpl.hpp>
|
|
|
|
class XQPredicate;
|
|
|
|
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);
|
|
|
|
virtual Result createResult(DynamicContext* context, int flags=0) const;
|
|
virtual ASTNode* staticResolution(StaticContext *context);
|
|
virtual ASTNode *staticTyping(StaticContext *context);
|
|
|
|
const ASTNode *getExpression() const { return expr_; }
|
|
void setExpression(ASTNode *expr) { expr_ = expr; }
|
|
|
|
const ASTNode *getPredicate() const { return predicate_; }
|
|
void setPredicate(ASTNode *pred) { predicate_ = pred; }
|
|
|
|
static ASTNode *addPredicates(ASTNode *expr, VectorOfPredicates *preds);
|
|
|
|
protected:
|
|
class PredicateFilterResult : public ResultImpl
|
|
{
|
|
public:
|
|
PredicateFilterResult(const Result &parent, const ASTNode *pred, unsigned int contextSize);
|
|
Item::Ptr next(DynamicContext *context);
|
|
void skip();
|
|
std::string asString(DynamicContext *context, int indent) const;
|
|
private:
|
|
bool todo_;
|
|
Result parent_;
|
|
const ASTNode *pred_;
|
|
unsigned int contextPos_;
|
|
unsigned int contextSize_;
|
|
Item::Ptr first_;
|
|
Item::Ptr second_;
|
|
};
|
|
|
|
class NonNumericPredicateFilterResult : public ResultImpl
|
|
{
|
|
public:
|
|
NonNumericPredicateFilterResult(const Result &parent, const ASTNode *pred, unsigned int contextSize);
|
|
Item::Ptr next(DynamicContext *context);
|
|
void skip();
|
|
std::string asString(DynamicContext *context, int indent) const;
|
|
private:
|
|
bool todo_;
|
|
Result parent_;
|
|
const ASTNode *pred_;
|
|
unsigned int contextPos_;
|
|
unsigned int contextSize_;
|
|
};
|
|
|
|
class NumericPredicateFilterResult : public ResultImpl
|
|
{
|
|
public:
|
|
NumericPredicateFilterResult(const Result &parent, const ASTNode *pred, unsigned int contextSize);
|
|
Item::Ptr next(DynamicContext *context);
|
|
void skip();
|
|
std::string asString(DynamicContext *context, int indent) const;
|
|
private:
|
|
bool todo_;
|
|
Result parent_;
|
|
const ASTNode *pred_;
|
|
unsigned int contextSize_;
|
|
};
|
|
|
|
ASTNode *expr_;
|
|
ASTNode *predicate_;
|
|
};
|
|
|
|
#endif
|