词法分析

开发平台：
Visual C++

FieldActivator.cpp：源码内容
							/*
 * The Apache Software License, Version 1.1
 *
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 *
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 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
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/*
 * $Log: FieldActivator.cpp,v $
 * Revision 1.5  2003/05/22 02:10:52  knoaman
 * Default the memory manager.
 *
 * Revision 1.4  2003/05/15 18:59:34  knoaman
 * Partial implementation of the configurable memory manager.
 *
 * Revision 1.3  2002/11/04 14:47:41  tng
 * C++ Namespace Support.
 *
 * Revision 1.2  2002/08/27 05:56:19  knoaman
 * Identity Constraint: handle case of recursive elements.
 *
 * Revision 1.1.1.1  2002/02/01 22:22:50  peiyongz
 * sane_include
 *
 * Revision 1.1  2001/11/02 14:08:40  knoaman
 * Add support for identity constraints.
 *
 */
// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include <xercesc/validators/schema/identity/FieldActivator.hpp>
#include <xercesc/validators/schema/identity/ValueStore.hpp>
#include <xercesc/validators/schema/identity/ValueStoreCache.hpp>
#include <xercesc/validators/schema/identity/XPathMatcherStack.hpp>
XERCES_CPP_NAMESPACE_BEGIN
// ---------------------------------------------------------------------------
//  FieldActivator: Constructors and Destructor
// ---------------------------------------------------------------------------
FieldActivator::FieldActivator(ValueStoreCache* const valueStoreCache,
                               XPathMatcherStack* const matcherStack,
                               MemoryManager* const manager)
    : fValueStoreCache(valueStoreCache)
    , fMatcherStack(matcherStack)
    , fMemoryManager(manager)
{
}
FieldActivator::FieldActivator(const FieldActivator& other)
    : fValueStoreCache(other.fValueStoreCache)
    , fMatcherStack(other.fMatcherStack)
    , fMemoryManager(other.fMemoryManager)
{
}
FieldActivator::~FieldActivator()
{
}
// ---------------------------------------------------------------------------
//  FieldActivator: Operator methods
// ---------------------------------------------------------------------------
FieldActivator& FieldActivator::operator =(const FieldActivator& other) {
    if (this == &other) {
        return *this;
    }
    fValueStoreCache = other.fValueStoreCache;
    fMatcherStack = other.fMatcherStack;
    return *this;
}
// ---------------------------------------------------------------------------
//  FieldActivator: Operator methods
// ---------------------------------------------------------------------------
XPathMatcher* FieldActivator::activateField(IC_Field* const field, const int initialDepth) {
    ValueStore* valueStore = fValueStoreCache->getValueStoreFor(field, initialDepth);
    XPathMatcher* matcher = field->createMatcher(valueStore, fMemoryManager);
    field->setMayMatch(true);
    fMatcherStack->addMatcher(matcher);
    matcher->startDocumentFragment();
    return matcher;
}
void FieldActivator::startValueScopeFor(const IdentityConstraint* const ic,
                                        const int initialDepth) {
    unsigned int fieldCount = ic->getFieldCount();
    for(unsigned int i=0; i<fieldCount; i++) {
        const IC_Field* field = ic->getFieldAt(i);
        ValueStore* valueStore = fValueStoreCache->getValueStoreFor(field, initialDepth);
        valueStore->startValueScope();
    }
}
void FieldActivator::endValueScopeFor(const IdentityConstraint* const ic, const int initialDepth) {
    ValueStore* valueStore = fValueStoreCache->getValueStoreFor(ic, initialDepth);
    valueStore->endValueScope();
}
XERCES_CPP_NAMESPACE_END
/**
  * End of file FieldActivator.cpp
  */

						