Parsing XML using a C++ wrapper for SAX2

// Filename: BookCatalog.h
// S.Chan, Jul 17, 2005

#ifndef BOOK_CATALOG_INCLUDED
#define BOOK_CATALOG_INCLUDED

// Include XML wrapper framework.
#include "XmlParser.h"

// STL includes.
#include <string>
#include <map>

// CBook
// Models a book in the catalog.
class CBook
{
public:
    CBook();
    ~CBook();

    enum
    {
        PROPERTY_NONE,
        PROPERTY_BOOKID,
        PROPERTY_AUTHOR,
        PROPERTY_TITLE,
        PROPERTY_GENRE,
        PROPERTY_PRICE,
        PROPERTY_PUBLISHDATE,
        PROPERTY_DESCRIPTION
    };

    const std::string& GetBookId() const { return m_bookId; }
    void  SetBookId(const std::string& bookId) { m_bookId = bookId; }

    const std::string& GetAuthor() const { return m_author; }
    void  SetAuthor(const std::string& author) { m_author = author; }

    const std::string& GetTitle() const { return m_title; }
    void  SetTitle(const std::string& title) { m_title = title; }

    const std::string& GetGenre() const { return m_genre; }
    void  SetGenre(const std::string& genre) { m_genre = genre; }

    const std::string& GetPrice() const { return m_price; }
    void  SetPrice(const std::string& price) { m_price = price; }

    const std::string& GetPublishDate() const { return m_publishDate; }
    void  SetPublishDate(const std::string& publishDate) { m_publishDate = publishDate; }

    const std::string& GetDescription() const { return m_description; }
    void  SetDescription(const std::string& description) { m_description = description; }

    std::string ToString() const;

private:
    std::string m_bookId;
    std::string m_author;
    std::string m_title;
    std::string m_genre;
    std::string m_price;
    std::string m_publishDate;
    std::string m_description;
};

// CBookCatalog
// Models a catalog of books.
class CBookCatalog : public IXmlElementHandler
{
public:
    CBookCatalog();
    ~CBookCatalog();

    // IXmlElementHandler virtual overrides.
    virtual void OnXmlStartElement(const CXmlElement& xmlElement);
    virtual void OnXmlElementData(const std::string& elementData, int depth);
    virtual void OnXmlEndElement(const CXmlElement& xmlElement);
    virtual void OnXmlError(int line, int column, const std::string& errorText, unsigned long errorCode);
    virtual bool OnXmlAbortParse(const CXmlElement& xmlElement);

    // Build the book catalog from an XML file.
    bool BuildFromXml(const std::string& xmlPath);

    // Catalog management.
    const CBook* FindBook(const std::string& bookId) const;
    int          GetBookCount() const;
    void         DeleteBooks();

private:
    // Used during parsing.
    bool         m_foundCatalog;
    CBook*       m_currBook;
    int          m_currBookProperty;

    // XML parser (wrapper class for SAX2).
    CXmlParser*  m_xmlParser;

    // Map keyed on Book ID.
    std::map<std::string,CBook*> m_books;
};
  
#endif // BOOK_CATALOG_INCLUDED

// END