SAXPrint.hpp

/*
 * 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.
 */

/*
 * $Id$
 */

#ifndef SAXPRINT_HPP
#define SAXPRINT_HPP

// ---------------------------------------------------------------------------
//  Includes for all the program files to see
// ---------------------------------------------------------------------------
#include <cstring>
#include <iostream>
#include <cstdlib>
#include "SAXPrintHandlers.hpp"

#include <memory>

// ---------------------------------------------------------------------------
//  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 :
    StrX(const StrX &other) = delete;
    StrX(StrX &&other) = delete;

    // -----------------------------------------------------------------------
    //  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 std::ostream& operator<<(std::ostream& target, const StrX& toDump)
{
    target << toDump.localForm();
    return target;
}

// ---------------------------------------------------------------------------
//  This is a simple class that lets us do easy (though not terribly efficient)
//  trancoding of char* data to XMLCh data.
// ---------------------------------------------------------------------------
class XStr
{
public :
    XStr(const XStr &other) = delete;
    XStr(XStr &&other) = delete;

    // -----------------------------------------------------------------------
    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    XStr(const char* const toTranscode)
    {
        // Call the private transcoding method
        fUnicodeForm = XMLString::transcode(toTranscode);
    }

    ~XStr()
    {
        XMLString::release(&fUnicodeForm);
    }

    // -----------------------------------------------------------------------
    //  Getter methods
    // -----------------------------------------------------------------------
    const XMLCh* unicodeForm() const
    {
        return fUnicodeForm;
    }

private :
    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fUnicodeForm
    //      This is the Unicode XMLCh format of the string.
    // -----------------------------------------------------------------------
    XMLCh*   fUnicodeForm;
};

#define X(str) XStr(str).unicodeForm()

#endif // SAXPRINT_HPP //