src/dom/TextImpl.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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 *    distribution.
 * 
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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
 *    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 consists of voluntary contributions made by many
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/**
 * $Log$
 * Revision 1.2  1999/11/30 21:16:26  roddey
 * Changes to add the transcode() method to DOMString, which returns a transcoded
 * version (to local code page) of the DOM string contents. And I changed all of the
 * exception 'throw by pointer' to 'throw by value' style.
 *
 * Revision 1.1.1.1  1999/11/09 01:09:19  twl
 * Initial checkin
 *
 * Revision 1.2  1999/11/08 20:44:33  rahul
 * Swat for adding in Product name and CVS comment log variable.
 *
 */

#include "DocumentImpl.hpp"
#include "DOM_DOMException.hpp"
#include "DOM_Node.hpp"
#include "TextImpl.hpp"
#include "CharacterDataImpl.hpp"
#include "DStringPool.hpp"

static DOMString *gText;   // will be lazily initialized to point to "#text"


TextImpl::TextImpl(DocumentImpl *ownerDoc, const DOMString &data) :
CharacterDataImpl(ownerDoc, DStringPool::getStaticString("#text", &gText), 
                  DOM_Node::TEXT_NODE, data)
{
};

TextImpl::TextImpl(const TextImpl &other, bool deep)
: CharacterDataImpl(other, deep)
{
};

TextImpl::~TextImpl()
{
};


bool TextImpl::isTextImpl() 
{
        return true;
};


NodeImpl *TextImpl::cloneNode(bool deep)
{
        return ownerDocument->createTextNode(value);
};


TextImpl *TextImpl::splitText(int offset)
{
        if (readOnly)
                throw DOM_DOMException(
        DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
        if (offset < 0 || offset > value.length() - 1)
        throw DOM_DOMException(DOM_DOMException::INDEX_SIZE_ERR, null);
                
        TextImpl *newText = 
                (TextImpl *) ownerDocument->createTextNode(
                        value.substringData(offset, value.length() - offset));
        NodeImpl *parent = getParentNode();
        if (parent != null)
                parent->insertBefore(newText, getNextSibling());

        value = value.substringData(0, offset);

        return newText;
};