deprecateddomcount.hpp

来自「IBM的解析xml的工具Xerces的源代码」· HPP 代码 · 共 138 行

/*
 * Copyright 1999-2000,2004 The Apache Software Foundation.
 * 
 * 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.
 */

/*
 * $Id: DeprecatedDOMCount.hpp,v 1.6 2004/09/08 13:57:03 peiyongz Exp $
 */

// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include <xercesc/sax/ErrorHandler.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#if defined(XERCES_NEW_IOSTREAMS)
#include <iostream>
#else
#include <iostream.h>
#endif


XERCES_CPP_NAMESPACE_USE

XERCES_CPP_NAMESPACE_BEGIN
class SAXParseException;
XERCES_CPP_NAMESPACE_END


// ---------------------------------------------------------------------------
//  Simple error handler deriviative to install on parser
// ---------------------------------------------------------------------------
class DeprecatedDOMCountErrorHandler : public ErrorHandler
{
public:
    // -----------------------------------------------------------------------
    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    DeprecatedDOMCountErrorHandler();
    ~DeprecatedDOMCountErrorHandler();


    // -----------------------------------------------------------------------
    //  Getter methods
    // -----------------------------------------------------------------------
    bool getSawErrors() const;


    // -----------------------------------------------------------------------
    //  Implementation of the SAX ErrorHandler interface
    // -----------------------------------------------------------------------
    void warning(const SAXParseException& e);
    void error(const SAXParseException& e);
    void fatalError(const SAXParseException& e);
    void resetErrors();


private :
    // -----------------------------------------------------------------------
    //  Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    DeprecatedDOMCountErrorHandler(const DeprecatedDOMCountErrorHandler&);
    void operator=(const DeprecatedDOMCountErrorHandler&);


    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fSawErrors
    //      This is set if we get any errors, and is queryable via a getter
    //      method. Its used by the main code to suppress output if there are
    //      errors.
    // -----------------------------------------------------------------------
    bool    fSawErrors;
};


// ---------------------------------------------------------------------------
//  This is a simple class that lets us do easy (though not terribly efficient)
//  trancoding of XMLCh data to local code page for display.
// ---------------------------------------------------------------------------
class StrX
{
public :
    // -----------------------------------------------------------------------
    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    StrX(const XMLCh* const toTranscode)
    {
        // Call the private transcoding method
        fLocalForm = XMLString::transcode(toTranscode);
    }

    ~StrX()
    {
        XMLString::release(&fLocalForm);
    }


    // -----------------------------------------------------------------------
    //  Getter methods
    // -----------------------------------------------------------------------
    const char* localForm() const
    {
        return fLocalForm;
    }

private :
    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fLocalForm
    //      This is the local code page form of the string.
    // -----------------------------------------------------------------------
    char*   fLocalForm;
};

inline XERCES_STD_QUALIFIER ostream& operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
{
    target  << toDump.localForm();
    return target;
}

inline bool DeprecatedDOMCountErrorHandler::getSawErrors() const
{
    return fSawErrors;
}