/*
 * 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.
 */
#if !defined(FORMATTERSTRINGLENGTHCOUNTER_HEADER_GUARD_1357924680)
#define FORMATTERSTRINGLENGTHCOUNTER_HEADER_GUARD_1357924680


// Base include file.  Must be first.
#include <xalanc/XPath/XPathDefinitions.hpp>


// Base class header file.
#include <xalanc/PlatformSupport/FormatterListener.hpp>


namespace XALAN_CPP_NAMESPACE {


/**
 * This class takes SAX events (in addition to some extra events 
 * that SAX doesn't handle yet) and produces counts the characters
 * sent to the characters event.
 */
class XALAN_XPATH_EXPORT FormatterStringLengthCounter : public FormatterListener
{
public:

    /**
     * FormatterStringLengthCounter instance constructor.
     */
    explicit
    FormatterStringLengthCounter();

    virtual
    ~FormatterStringLengthCounter();


    size_type
    getCount() const
    {
        return m_count;
    }

    // These methods are inherited from FormatterListener ...

    virtual void
    setDocumentLocator(const Locator* const         locator);

    virtual void
    startDocument();

    virtual void
    endDocument();

    virtual void
    startElement(
            const XMLCh* const  name,
            AttributeListType&  attrs);

    virtual void
    endElement(const XMLCh* const   name);

    virtual void
    characters(
            const XMLCh* const  chars,
            const size_type     length);

    virtual void
    charactersRaw(
            const XMLCh* const  chars,
            const size_type     length);

    virtual void
    entityReference(const XMLCh* const  name);

    virtual void
    ignorableWhitespace(
            const XMLCh* const  chars,
            const size_type     length);

    virtual void
    processingInstruction(
            const XMLCh* const  target,
            const XMLCh* const  data);

    virtual void
    resetDocument();

    virtual void
    comment(const XMLCh* const  data);

    virtual void
    cdata(
            const XMLCh* const  ch,
            const size_type     length);

private:

    // These are not implemented.
    FormatterStringLengthCounter(const FormatterStringLengthCounter&);

    FormatterStringLengthCounter&
    operator=(const FormatterStringLengthCounter&);

    bool
    operator==(const FormatterStringLengthCounter&) const;

    // Data members...
    size_type   m_count;
};


}


#endif  // FORMATTERSTRINGLENGTHCOUNTER_HEADER_GUARD_1357924680