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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/*
* $Id$
*/
#if !defined(XERCESC_INCLUDE_GUARD_KVSTRINGPAIR_HPP)
#define XERCESC_INCLUDE_GUARD_KVSTRINGPAIR_HPP
#include <xercesc/util/XMemory.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/internal/XSerializable.hpp>
XERCES_CPP_NAMESPACE_BEGIN
//
// This class provides a commonly used data structure, which is that of
// a pair of strings which represent a 'key=value' type mapping. It works
// only in terms of XMLCh type raw strings.
//
class XMLUTIL_EXPORT KVStringPair : public XSerializable, public XMemory
{
public:
// -----------------------------------------------------------------------
// Constructors and Destructor
// -----------------------------------------------------------------------
KVStringPair(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
KVStringPair
(
const XMLCh* const key
, const XMLCh* const value
, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
);
KVStringPair
(
const XMLCh* const key
, const XMLCh* const value
, const XMLSize_t valueLength
, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
);
KVStringPair
(
const XMLCh* const key
, const XMLSize_t keyLength
, const XMLCh* const value
, const XMLSize_t valueLength
, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
);
KVStringPair(const KVStringPair& toCopy);
~KVStringPair();
// -----------------------------------------------------------------------
// Getters
//
// We support the
// -----------------------------------------------------------------------
const XMLCh* getKey() const;
XMLCh* getKey();
const XMLCh* getValue() const;
XMLCh* getValue();
// -----------------------------------------------------------------------
// Setters
// -----------------------------------------------------------------------
void setKey(const XMLCh* const newKey);
void setValue(const XMLCh* const newValue);
void setKey
(
const XMLCh* const newKey
, const XMLSize_t newKeyLength
);
void setValue
(
const XMLCh* const newValue
, const XMLSize_t newValueLength
);
void set
(
const XMLCh* const newKey
, const XMLCh* const newValue
);
void set
(
const XMLCh* const newKey
, const XMLSize_t newKeyLength
, const XMLCh* const newValue
, const XMLSize_t newValueLength
);
/***
* Support for Serialization/De-serialization
***/
DECL_XSERIALIZABLE(KVStringPair)
private :
// unimplemented:
KVStringPair& operator=(const KVStringPair&);
// -----------------------------------------------------------------------
// Private data members
//
// fKey
// The string that represents the key field of this object.
//
// fKeyAllocSize
// The amount of memory allocated for fKey.
//
// fValue
// The string that represents the value of this pair object.
//
// fValueAllocSize
// The amount of memory allocated for fValue.
//
// -----------------------------------------------------------------------
XMLSize_t fKeyAllocSize;
XMLSize_t fValueAllocSize;
XMLCh* fKey;
XMLCh* fValue;
MemoryManager* fMemoryManager;
};
// ---------------------------------------------------------------------------
// KVStringPair: Getters
// ---------------------------------------------------------------------------
inline const XMLCh* KVStringPair::getKey() const
{
return fKey;
}
inline XMLCh* KVStringPair::getKey()
{
return fKey;
}
inline const XMLCh* KVStringPair::getValue() const
{
return fValue;
}
inline XMLCh* KVStringPair::getValue()
{
return fValue;
}
// ---------------------------------------------------------------------------
// KVStringPair: Setters
// ---------------------------------------------------------------------------
inline void KVStringPair::setKey( const XMLCh* const newKey
, const XMLSize_t newKeyLength)
{
if (newKeyLength >= fKeyAllocSize)
{
fMemoryManager->deallocate(fKey); //delete [] fKey;
fKey = 0;
fKeyAllocSize = newKeyLength + 1;
fKey = (XMLCh*) fMemoryManager->allocate(fKeyAllocSize * sizeof(XMLCh)); //new XMLCh[fKeyAllocSize];
}
memcpy(fKey, newKey, (newKeyLength+1) * sizeof(XMLCh)); // len+1 because of the 0 at the end
}
inline void KVStringPair::setValue( const XMLCh* const newValue
, const XMLSize_t newValueLength)
{
if (newValueLength >= fValueAllocSize)
{
fMemoryManager->deallocate(fValue); //delete [] fValue;
fValue = 0;
fValueAllocSize = newValueLength + 1;
fValue = (XMLCh*) fMemoryManager->allocate(fValueAllocSize * sizeof(XMLCh)); //new XMLCh[fValueAllocSize];
}
memcpy(fValue, newValue, (newValueLength+1) * sizeof(XMLCh)); // len+1 because of the 0 at the end
}
inline void KVStringPair::setKey(const XMLCh* const newKey)
{
setKey(newKey, XMLString::stringLen(newKey));
}
inline void KVStringPair::setValue(const XMLCh* const newValue)
{
setValue(newValue, XMLString::stringLen(newValue));
}
inline void KVStringPair::set( const XMLCh* const newKey
, const XMLCh* const newValue)
{
setKey(newKey, XMLString::stringLen(newKey));
setValue(newValue, XMLString::stringLen(newValue));
}
inline void KVStringPair::set( const XMLCh* const newKey
, const XMLSize_t newKeyLength
, const XMLCh* const newValue
, const XMLSize_t newValueLength)
{
setKey(newKey, newKeyLength);
setValue(newValue, newValueLength);
}
XERCES_CPP_NAMESPACE_END
#endif
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