121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/*
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* This file is a part of morm
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2018, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_morm_dbexpression
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#define headerfile_morm_dbexpression
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#include "baseexpression.h"
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#include "morm_types.h"
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namespace morm
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{
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class DbExpression : public BaseExpression
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{
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public:
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DbExpression();
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virtual ~DbExpression();
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virtual void set_output_type(int output_type);
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protected:
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int output_type;
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bool can_field_be_generated(bool insertable, bool updatable, bool is_primary_key);
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void field_before();
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void before_field_value(const std::wstring &);
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void before_field_value(const std::string &);
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void after_field_value(const std::wstring &);
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void after_field_value(const std::string &);
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template<typename FieldValue>
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void print_field_name_value(const wchar_t * field_name, const FieldValue & field_value)
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{
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put_field_name(field_name);
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if( output_type == MORM_OUTPUT_TYPE_DB_PRIMARY_KEY )
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{
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(*out_stream) << " = ";
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}
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put_field_value(field_value);
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}
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private:
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void before_field_value_string();
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void after_field_value_string();
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// DbExpression & eq(const wchar_t * field_name, const std::wstring & field_value)
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// {
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// //put_field_name(field_name);
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// return *this;
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// }
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//
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// DbExpression & eq(const wchar_t * field_name, const std::string & field_value)
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// {
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//
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// return *this;
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// }
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//
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// template<typename FieldValue>
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// DbExpression & eq(const wchar_t * field_name, const FieldValue & field_value)
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// {
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// return *this;
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// }
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};
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}
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#endif
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