QxOrm  1.4.4
C++ Object Relational Mapping library
QxValidator.h
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00001 /****************************************************************************
00002 **
00003 ** http://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
00007 **
00008 ** This software is provided 'as-is', without any express or implied
00009 ** warranty. In no event will the authors be held liable for any
00010 ** damages arising from the use of this software
00011 **
00012 ** Commercial Usage
00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
00014 ** accordance with the commercial license agreement provided with the
00015 ** Software or, alternatively, in accordance with the terms contained in
00016 ** a written agreement between you and Lionel Marty
00017 **
00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
00020 ** General Public License version 3.0 as published by the Free Software
00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
00022 ** packaging of this file. Please review the following information to
00023 ** ensure the GNU General Public License version 3.0 requirements will be
00024 ** met : http://www.gnu.org/copyleft/gpl.html
00025 **
00026 ** If you are unsure which license is appropriate for your use, or
00027 ** if you have questions regarding the use of this file, please contact :
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00031 
00032 #ifndef _QX_VALIDATOR_H_
00033 #define _QX_VALIDATOR_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QxValidator/IxValidator.h>
00047 #include <QxValidator/QxInvalidValueX.h>
00048 
00049 #include <QxDataMember/IxDataMember.h>
00050 
00051 namespace qx {
00052 
00053 template <class T>
00054 QxInvalidValueX validate(T & t, const QString & group);
00055 
00063 template <class Owner>
00064 class QxValidator : public IxValidator
00065 {
00066 
00067 public:
00068 
00069    typedef std::function<void (Owner *, QxInvalidValueX &)> type_fct_custom_validator_member;
00070    typedef std::function<void (const QVariant &, QxInvalidValueX &)> type_fct_custom_validator_variant;
00071    typedef std::function<void (const QVariant &, const IxValidator *, QxInvalidValueX &)> type_fct_custom_validator_variant_validator;
00072 
00073 protected:
00074 
00075    type_fct_custom_validator_member             m_fctCustomValidator_Member;              
00076    type_fct_custom_validator_variant            m_fctCustomValidator_Variant;             
00077    type_fct_custom_validator_variant_validator  m_fctCustomValidator_VariantValidator;    
00078 
00079 public:
00080 
00081    QxValidator() : IxValidator(IxValidator::custom_validator) { ; }
00082    virtual ~QxValidator() { ; }
00083 
00084    void setFunction(type_fct_custom_validator_member fct)               { m_fctCustomValidator_Member = fct; }
00085    void setFunction(type_fct_custom_validator_variant fct)              { m_fctCustomValidator_Variant = fct; }
00086    void setFunction(type_fct_custom_validator_variant_validator fct)    { m_fctCustomValidator_VariantValidator = fct; }
00087 
00088    virtual void validate(void * pOwner, QxInvalidValueX & lstInvalidValues) const
00089    {
00090       if (m_fctCustomValidator_Member)
00091       { m_fctCustomValidator_Member(static_cast<Owner *>(pOwner), lstInvalidValues); }
00092       else if (m_fctCustomValidator_Variant && m_pDataMember)
00093       { m_fctCustomValidator_Variant(m_pDataMember->toVariant(pOwner), lstInvalidValues); }
00094       else if (m_fctCustomValidator_VariantValidator && m_pDataMember)
00095       { m_fctCustomValidator_VariantValidator(m_pDataMember->toVariant(pOwner), this, lstInvalidValues); }
00096    }
00097 
00098 };
00099 
00107 template <typename DataType, class Owner>
00108 class QxValidator_WithDataType : public IxValidator
00109 {
00110 
00111 public:
00112 
00113    typedef std::function<void (const DataType &, QxInvalidValueX &)> type_fct_custom_validator_data_type;
00114    typedef std::function<void (const DataType &, const IxValidator *, QxInvalidValueX &)> type_fct_custom_validator_data_type_validator;
00115 
00116 protected:
00117 
00118    type_fct_custom_validator_data_type             m_fctCustomValidator_DataType;            
00119    type_fct_custom_validator_data_type_validator   m_fctCustomValidator_DataTypeValidator;   
00120 
00121 public:
00122 
00123    QxValidator_WithDataType() : IxValidator(IxValidator::custom_validator) { ; }
00124    virtual ~QxValidator_WithDataType() { ; }
00125 
00126    void setFunction(type_fct_custom_validator_data_type fct)            { m_fctCustomValidator_DataType = fct; }
00127    void setFunction(type_fct_custom_validator_data_type_validator fct)  { m_fctCustomValidator_DataTypeValidator = fct; }
00128 
00129    virtual void validate(void * pOwner, QxInvalidValueX & lstInvalidValues) const
00130    {
00131       if (! m_pDataMember) { return; }
00132       IxDataMember * pDataMember = const_cast<IxDataMember *>(m_pDataMember);
00133       DataType * val = pDataMember->getValuePtr<DataType>(pOwner);
00134       if (m_fctCustomValidator_DataType && val)
00135       { m_fctCustomValidator_DataType((* val), lstInvalidValues); }
00136       else if (m_fctCustomValidator_DataTypeValidator && val)
00137       { m_fctCustomValidator_DataTypeValidator((* val), this, lstInvalidValues); }
00138    }
00139 
00140 };
00141 
00149 template <typename DataType, class Owner>
00150 class QxValidator_Recursive : public IxValidator
00151 {
00152 
00153 public:
00154 
00155    QxValidator_Recursive() : IxValidator(IxValidator::recursive_validator) { ; }
00156    virtual ~QxValidator_Recursive() { ; }
00157 
00158    virtual void validate(void * pOwner, QxInvalidValueX & lstInvalidValues) const
00159    {
00160       if (! m_pDataMember) { qAssert(false); return; }
00161       IxDataMember * pDataMember = const_cast<IxDataMember *>(m_pDataMember);
00162       DataType * val = pDataMember->getValuePtr<DataType>(pOwner);
00163       if (! val) { qAssert(false); return; }
00164       QxInvalidValueX invalidValues;
00165       invalidValues.setCurrentPath(m_pDataMember->getName());
00166       invalidValues.insert(qx::validate((* val), m_group));
00167       lstInvalidValues.insert(invalidValues);
00168    }
00169 
00170 };
00171 
00172 } // namespace qx
00173 
00174 #endif // _QX_VALIDATOR_H_