samples/DOMPrint/DOMTreeErrorReporter.cpp

/*
 * The Apache Software License, Version 1.1
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 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
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 * modification, are permitted provided that the following conditions
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 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Xerces" and "Apache Software Foundation" must
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 * 5. Products derived from this software may not be called "Apache",
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 * This software consists of voluntary contributions made by many
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/**
 * $Log$
 * Revision 1.1  1999/11/09 01:09:51  twl
 * Initial revision
 *
 * Revision 1.6  1999/11/08 20:43:35  rahul
 * Swat for adding in Product name and CVS comment log variable.
 *
 */

// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include <sax/SAXParseException.hpp>
#include "DOMTreeErrorReporter.hpp"
#include <iostream.h>
#include <stdlib.h>
#include <memory.h>


void DOMTreeErrorReporter::warning(const SAXParseException&)
{
    //
    // Ignore all warnings.
    //
}

void DOMTreeErrorReporter::error(const SAXParseException& toCatch)
{
    cerr << "Error at file \"" << StrX(toCatch.getSystemId())
		 << "\", line " << toCatch.getLineNumber()
		 << ", column " << toCatch.getColumnNumber()
         << "\n   Message: " << StrX(toCatch.getMessage()) << endl;
}

void DOMTreeErrorReporter::fatalError(const SAXParseException& toCatch)
{
    cerr << "Fatal Error at file \"" << StrX(toCatch.getSystemId())
		 << "\", line " << toCatch.getLineNumber()
		 << ", column " << toCatch.getColumnNumber()
         << "\n   Message: " << StrX(toCatch.getMessage()) << endl;
}

void DOMTreeErrorReporter::resetErrors()
{
    // No-op in this case
}



// ---------------------------------------------------------------------------
//  StrX: Private helper methods
// ---------------------------------------------------------------------------
void StrX::transcode(const XMLCh* const toTranscode, const unsigned int len)
{
    // Short circuit if its a null pointer
    if (!toTranscode || (!toTranscode[0]))
    {
        fLocalForm = new char[1];
        fLocalForm[0] = 0;
        return;
	}

    // See if our XMLCh and wchar_t as the same on this platform
    const bool isSameSize = (sizeof(XMLCh) == sizeof(wchar_t));

    //
    //  Get the actual number of chars. If the passed len is zero, its null
    //  terminated. Else we have to use the len.
    //
    wchar_t realLen = (wchar_t)len;
    if (!realLen)
    {
        //
        //  We cannot just assume we can use wcslen() because we don't know
        //  if our XMLCh is the same as wchar_t on this platform.
        //
        const XMLCh* tmpPtr = toTranscode;
        while (*(tmpPtr++))
            realLen++;
    }

    //
    //  If either the passed length was non-zero or our char sizes are not 
    //  same, we have to use a temp buffer. Since this is common in these
    //  samples, we just do it anyway.
    //
    wchar_t* tmpSource = new wchar_t[realLen + 1];
    if (isSameSize)
    {
        memcpy(tmpSource, toTranscode, realLen * sizeof(wchar_t));
    }
     else
    {
        for (unsigned int index = 0; index < realLen; index++)
            tmpSource[index] = (wchar_t)toTranscode[index];
    }
    tmpSource[realLen] = 0;

    // See now many chars we need to transcode this guy
    const unsigned int targetLen = ::wcstombs(0, tmpSource, 0);

    // Allocate out storage member
    fLocalForm = new char[targetLen + 1];

    //
    //  And transcode our temp source buffer to the local buffer. Cap it
    //  off since the converter won't do it (because the null is beyond
    //  where the target will fill up.)
    //
    ::wcstombs(fLocalForm, tmpSource, targetLen);
    fLocalForm[targetLen] = 0;

    // Don't forget to delete our temp buffer
    delete [] tmpSource;
}