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QxClassX.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** http://sourceforge.net/projects/qxorm/
    00005 ** Original file by Lionel Marty
    00006 **
    00007 ** This file is part of the QxOrm library
    00008 **
    00009 ** This software is provided 'as-is', without any express or implied
    00010 ** warranty. In no event will the authors be held liable for any
    00011 ** damages arising from the use of this software.
    00012 **
    00013 ** GNU Lesser General Public License Usage
    00014 ** This file must be used under the terms of the GNU Lesser
    00015 ** General Public License version 2.1 as published by the Free Software
    00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
    00017 ** packaging of this file.  Please review the following information to
    00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00020 **
    00021 ** If you have questions regarding the use of this file, please contact :
    00022 ** contact@qxorm.com
    00023 **
    00024 ****************************************************************************/
    00025
    00026 #ifndef _QX_CLASS_X_H_
    00027 #define _QX_CLASS_X_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00040 #include <boost/function.hpp>
    00041 #include <boost/mpl/if.hpp>
    00042 #include <boost/mpl/or.hpp>
    00043 #include <boost/mpl/logical.hpp>
    00044 #include <boost/type_traits/is_pointer.hpp>
    00045
    00046 #include <QxCommon/QxBool.h>
    00047
    00048 #include <QxRegister/IxClass.h>
    00049
    00050 #include <QxSingleton/QxSingleton.h>
    00051
    00052 #include <QxCollection/QxCollection.h>
    00053
    00054 #include <QxTraits/is_smart_ptr.h>
    00055 #include <QxTraits/get_sql_type.h>
    00056
    00057 namespace qx {
    00058
    00063 class QX_DLL_EXPORT QxClassX : public QxSingleton<QxClassX>
    00064 {
    00065
    00066    friend class QxSingleton<QxClassX>;
    00067    friend class IxClass;
    00068
    00069 public:
    00070
    00071    typedef IxFunction::type_any_params type_any_params;
    00072    typedef boost::function<QString (const QVariant &, int, const unsigned int)> type_fct_save_qvariant_usertype;
    00073    typedef boost::function<QVariant (const QString &, int, const unsigned int)> type_fct_load_qvariant_usertype;
    00074
    00075 protected:
    00076
    00077    QxCollection<QString, IxClass *> m_lstClass;
    00078    QHash<QString, QString> m_lstSqlTypeByClassName;
    00079    QHash<QString, QString> m_lstValidatorMessage;
    00080    type_fct_save_qvariant_usertype m_fctSaveQVariantUserType;
    00081    type_fct_load_qvariant_usertype m_fctLoadQVariantUserType;
    00082
    00083 private:
    00084
    00085    QxClassX();
    00086    virtual ~QxClassX();
    00087
    00088    QxCollection<QString, IxClass *> * getAll();
    00089    IxClass * get(const QString & sKey) const;
    00090    bool exist(const QString & sKey) const;
    00091    bool insert(const QString & sKey, IxClass * pClass);
    00092    bool remove(const QString & sKey);
    00093    void clear();
    00094    void initSqlTypeByClassName();
    00095    void initValidatorMessage();
    00096    const std::type_info & typeInfo(const QString & sKey) const;
    00097
    00098 public:
    00099
    00100    static boost::any create(const QString & sKey);
    00101    static IxClass * getClass(const QString & sKey);
    00102    static IxDataMemberX * getDataMemberX(const QString & sKey);
    00103    static IxFunctionX * getFctMemberX(const QString & sKey);
    00104    static IxDataMember * getDataMember(const QString & sClassKey, const QString & sDataKey, bool bRecursive = true);
    00105    static IxFunction * getFctMember(const QString & sClassKey, const QString & sFctKey, bool bRecursive = true);
    00106
    00107    static QxCollection<QString, IxClass *> * getAllClasses();
    00108    static void registerAllClasses();
    00109    static QString dumpAllClasses();
    00110    static QString dumpSqlSchema();
    00111
    00112    static QHash<QString, QString> * getAllValidatorMessage()               { return (& QxClassX::getSingleton()->m_lstValidatorMessage); }
    00113    static QHash<QString, QString> * getAllSqlTypeByClassName()             { return (& QxClassX::getSingleton()->m_lstSqlTypeByClassName); }
    00114    static QString getSqlTypeByClassName(const QString & sClassName)        { return QxClassX::getAllSqlTypeByClassName()->value(sClassName); }
    00115    static const std::type_info & getTypeInfo(const QString & sClassName)   { return QxClassX::getSingleton()->typeInfo(sClassName); }
    00116
    00117    static type_fct_save_qvariant_usertype getFctSaveQVariantUserType()           { return QxClassX::getSingleton()->m_fctSaveQVariantUserType; }
    00118    static type_fct_load_qvariant_usertype getFctLoadQVariantUserType()           { return QxClassX::getSingleton()->m_fctLoadQVariantUserType; }
    00119    static void setFctSaveQVariantUserType(type_fct_save_qvariant_usertype fct)   { QxClassX::getSingleton()->m_fctSaveQVariantUserType = fct; }
    00120    static void setFctLoadQVariantUserType(type_fct_load_qvariant_usertype fct)   { QxClassX::getSingleton()->m_fctLoadQVariantUserType = fct; }
    00121
    00122    template <class U>
    00123    static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const QString & params = QString(), boost::any * ret = NULL)
    00124    {
    00125       typedef typename boost::mpl::if_c< boost::is_pointer<U>::value, QxClassX::invoke_ptr<U>, QxClassX::invoke_default<U> >::type type_invoke_1;
    00126       typedef typename boost::mpl::if_c< qx::trait::is_smart_ptr<U>::value, QxClassX::invoke_ptr<U>, type_invoke_1 >::type type_invoke_2;
    00127       return type_invoke_2::invoke(sClassKey, sFctKey, pOwner, params, ret);
    00128    }
    00129
    00130    template <class U>
    00131    static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const type_any_params & params, boost::any * ret = NULL)
    00132    {
    00133       typedef typename boost::mpl::if_c< boost::is_pointer<U>::value, QxClassX::invoke_ptr<U>, QxClassX::invoke_default<U> >::type type_invoke_1;
    00134       typedef typename boost::mpl::if_c< qx::trait::is_smart_ptr<U>::value, QxClassX::invoke_ptr<U>, type_invoke_1 >::type type_invoke_2;
    00135       return type_invoke_2::invoke(sClassKey, sFctKey, pOwner, params, ret);
    00136    }
    00137
    00138 private:
    00139
    00140    template <class U>
    00141    struct invoke_ptr
    00142    {
    00143       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const QString & params = QString(), boost::any * ret = NULL)
    00144       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& (* pOwner)), params, ret); }
    00145       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const type_any_params & params, boost::any * ret = NULL)
    00146       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& (* pOwner)), params, ret); }
    00147    };
    00148
    00149    template <class U>
    00150    struct invoke_default
    00151    {
    00152       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const QString & params = QString(), boost::any * ret = NULL)
    00153       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& pOwner), params, ret); }
    00154       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const type_any_params & params, boost::any * ret = NULL)
    00155       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& pOwner), params, ret); }
    00156    };
    00157
    00158    static qx_bool invokeVoidPtr(const QString & sClassKey, const QString & sFctKey, void * pOwner, const QString & params = QString(), boost::any * ret = NULL);
    00159    static qx_bool invokeVoidPtr(const QString & sClassKey, const QString & sFctKey, void * pOwner, const type_any_params & params, boost::any * ret = NULL);
    00160
    00161    static bool isValid_DataMember(IxDataMember * p);
    00162    static bool isValid_SqlRelation(IxDataMember * p);
    00163
    00164 };
    00165
    00166 } // namespace qx
    00167
    00168 QX_DLL_EXPORT_QX_SINGLETON_HPP(qx::QxClassX)
    00169
    00170 #endif // _QX_CLASS_X_H_