/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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.
 */
#ifndef __CHARACTER_IMPL__
#define __CHARACTER_IMPL__

#include "NodeImpl.h"
#include "DOMString.h"

class CharacterDataImpl : public NodeImpl
{
private:
    DOMString* charData;
public:

     /**
      * Default Constructor for CharacterDataImpl.
      */
     CharacterDataImpl();

     /**
      * Constructor for CharacterDataImpl.
      * @param data The specify character data.
      */
     CharacterDataImpl(const DOMString* data);

    /**
     * The character data of the node that implements this interface. The DOM
     * implementation may not put arbitrary limits on the amount of data
     * that may be stored in a <code>CharacterData</code> node. However,
     * implementation limits may mean that the entirety of a node's data may
     * not fit into a single <code>DOMString</code>. In such cases, the user
     * may call <code>substringData</code> to retrieve the data in
     * appropriately sized pieces.
     * @exception DOMException
     *   NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
     * @exception DOMException
     *   DOMSTRING_SIZE_ERR: Raised when it would return more characters than
     *   fit in a <code>DOMString</code> variable on the implementation
     *   platform.
     * @return the character data.
     */
    const DOMString* getData() const throw (DOMException);

    /**
     * The character data of the node that implements this interface. The DOM
     * implementation may not put arbitrary limits on the amount of data
     * that may be stored in a <code>CharacterData</code> node. However,
     * implementation limits may mean that the entirety of a node's data may
     * not fit into a single <code>DOMString</code>. In such cases, the user
     * may call <code>substringData</code> to retrieve the data in
     * appropriately sized pieces.
     * @param data the specify character data.
     * @exception DOMException
     *   NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
     * @exception DOMException
     *   DOMSTRING_SIZE_ERR: Raised when it would return more characters than
     *   fit in a <code>DOMString</code> variable on the implementation
     *   platform.
     */
    void setData(const DOMString* data) throw (DOMException);

    /**
     * The number of 16-bit units that are available through <code>data</code>
     * and the <code>substringData</code> method below. This may have the
     * value zero, i.e., <code>CharacterData</code> nodes may be empty.
     * @return the size of characters data.
     */
    int getLength() const;

    /**
     * Append the string to the end of the character data of the node. Upon
     * success, <code>data</code> provides access to the concatenation of
     * <code>data</code> and the <code>DOMString</code> specified.
     * @param arg The <code>DOMString</code> to append.
     * @exception DOMException
     *   NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
     */
    void appendData(const DOMString* arg) throw(DOMException);

    /** Override getNodeValue() method in NodeImpl.h.*/
    const DOMString* getNodeValue() const throw(DOMException);

    /** Override setNodeValue() method in NodeImpl.h */
    void setNodeValue(DOMString* nodeValue) throw(DOMException);

    ~CharacterDataImpl();
};
#endif /*__CHARACTER_IMPL__*/