/*
 * The Apache Software License, Version 1.1
 * 
 * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
 * reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 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.
 * 
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
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 * 
 * 5. Products derived from this software may not be called "Apache",
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 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation, and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com .  For more information
 * on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

/*
 * $Id: CharacterDataImpl.cpp,v 1.16 2000/08/30 22:21:19 andyh Exp $
 */

#include "CharacterDataImpl.hpp"
#include "DOM_DOMException.hpp"
#include "RangeImpl.hpp"
#include "DocumentImpl.hpp"


CharacterDataImpl::CharacterDataImpl(DocumentImpl *ownerDoc,
                                     const DOMString &dat)
    : ChildNode(ownerDoc)
{
    this->data = dat.clone();
};

CharacterDataImpl::CharacterDataImpl(const CharacterDataImpl &other, bool deep)
    : ChildNode(other)
{
    data = other.data.clone();
};


CharacterDataImpl::~CharacterDataImpl() {
};


DOMString CharacterDataImpl::getNodeValue()
{
    return data;
};


void CharacterDataImpl::setNodeValue(const DOMString &value)
{
    if (isReadOnly())
        throw DOM_DOMException(DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR,
                               null);
    data = value.clone();

    if (this->getOwnerDocument() != null) {
        typedef RefVectorOf<RangeImpl> RangeImpls;
        RangeImpls* ranges = this->getOwnerDocument()->getRanges();
        if (ranges != null) {
            unsigned int sz = ranges->size();
            if (sz != 0) {
                for (unsigned int i =0; i<sz; i++) {
                    ranges->elementAt(i)->receiveReplacedText( this);
                }
            }
        }
    }
};


void CharacterDataImpl::appendData(const DOMString &dat)
{
    if(isReadOnly())
        throw DOM_DOMException(
        DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
    
    this->data.appendData(dat);
};


void CharacterDataImpl::deleteData(unsigned int offset, unsigned int count)
{
    if (isReadOnly())
        throw DOM_DOMException(
        DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);

    // Note: the C++ DOMString operation throws the correct DOMExceptions
    //       when parameter values are bad.
    //  
    data.deleteData(offset, count);

    if (this->getOwnerDocument() != null) {
        typedef RefVectorOf<RangeImpl> RangeImpls;
        RangeImpls* ranges = this->getOwnerDocument()->getRanges();
        if (ranges != null) {
            unsigned int sz = ranges->size();
            if (sz != 0) {
                for (unsigned int i =0; i<sz; i++) {
                    DOM_Node dn = DOM_Node(this);
                    ranges->elementAt(i)->updateRangeForDeletedText( dn, offset, count);
                }
            }
        }
    }
};



DOMString &CharacterDataImpl::getData()
{
    return data; 
};


//
//  getCharDataLength - return the length of the character data string.
//                      Note:  in the public DOM API, the name of this method
//                      is getLength(), but has been renamed here to avoid a
//                      conflict with NodeListImpl::getLength().  The conflict
//                      occurs because NodeListImpl is a base class of us.
//                      DOM_CharData::getLength() delegates to this method, so
//                      all of the names are correct from an external API
//                      point of view.
//
unsigned int CharacterDataImpl::getCharDataLength()
{
    return data.length();  
};



void CharacterDataImpl::insertData(unsigned int offset, const DOMString &dat) 
{
    
    if (isReadOnly())
        throw DOM_DOMException(
        DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
    
    // Note: the C++ DOMString operation throws the correct DOMExceptions
    //       when parameter values are bad.
    //  
    this->data.insertData(offset, dat);
}



void CharacterDataImpl::replaceData(unsigned int offset, unsigned int count,
                                    const DOMString &dat)
{
    if (isReadOnly())
        throw DOM_DOMException(
        DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
    deleteData(offset, count);
    insertData(offset, dat);
};




void CharacterDataImpl::setData(const DOMString &arg)
{
    if (isReadOnly())
        throw DOM_DOMException(DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR,
                               null);
    data = arg.clone();
};





DOMString CharacterDataImpl::substringData(unsigned int offset,
                                           unsigned int count)
{

    // Note: the C++ DOMString operation throws the correct DOMExceptions
    //       when parameter values are bad.
    //  
    return data.substringData(offset, count);
};

