660 lines
12 KiB
C++
660 lines
12 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) 2018-2021, 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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#include "baseexpression.h"
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#include "morm_types.h"
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#include "model.h"
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#include "utf8/utf8.h"
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namespace morm
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{
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BaseExpression::BaseExpression()
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{
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clear();
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}
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BaseExpression::~BaseExpression()
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{
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}
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void BaseExpression::clear()
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{
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out_stream = nullptr;
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is_first_field = false;
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work_mode = 0;
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use_prefix = false;
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}
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void BaseExpression::set_work_mode(int work_mode)
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{
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this->work_mode = work_mode;
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}
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int BaseExpression::get_work_mode()
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{
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return work_mode;
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}
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PT::TextStream * BaseExpression::get_current_stream()
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{
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return out_stream;
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}
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void BaseExpression::allow_to_use_prefix(bool use_prefix)
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{
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this->use_prefix = use_prefix;
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}
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bool BaseExpression::get_allow_to_use_prefix()
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{
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return use_prefix;
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}
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void BaseExpression::generate_from_model(PT::TextStream & stream, Model & model)
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{
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this->out_stream = &stream;
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generate_from_model(model);
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this->out_stream = nullptr;
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}
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void BaseExpression::generate_from_model(Model & model)
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{
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if( out_stream )
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{
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before_generate_from_model();
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dump_additional_info(model);
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model.map_fields();
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after_generate_from_model();
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}
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}
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void BaseExpression::dump_additional_info(Model & model)
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{
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if( model.model_env && model.model_env->dump_mode )
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{
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field(L"model_save_mode", model.save_mode, false, false, false, model.model_env);
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field(L"has_primary_key_set", model.has_primary_key_set, false, false, false, model.model_env);
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}
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}
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void BaseExpression::before_generate_from_model()
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{
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is_first_field = true;
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}
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void BaseExpression::after_generate_from_model()
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{
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}
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bool BaseExpression::can_field_be_generated(bool insertable, bool updatable, bool is_primary_key)
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{
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return true;
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}
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void BaseExpression::field_before()
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{
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if( !is_first_field )
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{
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// put a separator between fields
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}
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}
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void BaseExpression::field_after()
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{
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is_first_field = false;
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}
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bool BaseExpression::is_long_field_name(const wchar_t * field_name)
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{
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bool is_long = false;
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while( *field_name != 0 )
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{
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if( *field_name == '.' )
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{
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is_long = true;
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break;
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}
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field_name += 1;
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}
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return is_long;
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}
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bool BaseExpression::is_long_field_name(const PT::TextStream & field_name)
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{
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PT::TextStream::const_iterator i = field_name.begin();
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bool is_long = false;
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while( i != field_name.end() )
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{
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if( *i == '.' )
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{
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is_long = true;
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break;
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}
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++i;
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}
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return is_long;
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}
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bool BaseExpression::is_long_table_name(const wchar_t * table_name)
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{
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return is_long_field_name(table_name);
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}
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bool BaseExpression::is_long_table_name(const PT::TextStream & table_name)
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{
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return is_long_field_name(table_name);
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}
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void BaseExpression::put_field_name(const wchar_t * field_name, ModelEnv * model_env)
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{
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if( is_long_field_name(field_name) )
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put_long_field_name(field_name);
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else
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put_short_field_name(field_name, model_env);
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}
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const wchar_t * BaseExpression::put_long_part_field_name(const wchar_t * field_name)
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{
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while( *field_name != 0 && *field_name != '.' )
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{
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esc(*field_name, *out_stream);
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field_name += 1;
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}
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return field_name;
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}
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void BaseExpression::put_long_field_name(const wchar_t * field_name)
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{
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before_first_part_long_field_name();
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field_name = put_long_part_field_name(field_name);
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after_first_part_long_field_name();
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if( *field_name == '.' )
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{
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field_name += 1;
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(*out_stream) << '.';
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before_second_part_long_field_name();
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field_name = put_long_part_field_name(field_name);
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after_second_part_long_field_name();
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}
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}
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void BaseExpression::put_short_field_name(const wchar_t * field_name, ModelEnv * model_env)
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{
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if( use_prefix && model_env )
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{
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before_first_part_long_field_name();
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esc(model_env->table_name_short, *out_stream);
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if( model_env->table_index > 1 )
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{
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(*out_stream) << model_env->table_index;
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}
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after_first_part_long_field_name();
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(*out_stream) << '.';
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before_second_part_long_field_name();
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esc(field_name, *out_stream);
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after_second_part_long_field_name();
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}
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else
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{
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before_short_field_name();
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esc(field_name, *out_stream);
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after_short_field_name();
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}
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}
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void BaseExpression::save_foreign_key(const wchar_t * field_name, ModelEnv * model_env)
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{
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PT::TextStream str;
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PT::TextStream * old_out_stream = out_stream;
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out_stream = &str;
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put_field_name(field_name, model_env);
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out_stream = old_out_stream;
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if( model_env && model_env->finder_helper )
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{
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model_env->finder_helper->foreign_keys.emplace_back();
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std::string & key_str = model_env->finder_helper->foreign_keys.back();
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str.to_string(key_str, false);
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}
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}
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void BaseExpression::before_short_field_name()
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{
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}
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void BaseExpression::after_short_field_name()
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{
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}
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void BaseExpression::before_first_part_long_field_name()
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{
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}
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void BaseExpression::after_first_part_long_field_name()
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{
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}
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void BaseExpression::before_second_part_long_field_name()
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{
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}
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void BaseExpression::after_second_part_long_field_name()
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{
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}
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void BaseExpression::before_field_value(const std::wstring &)
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{
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}
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void BaseExpression::before_field_value(const std::string &)
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{
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}
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void BaseExpression::after_field_value(const std::wstring &)
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{
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}
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void BaseExpression::after_field_value(const std::string &)
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{
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}
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void BaseExpression::before_field_value(const wchar_t *)
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{
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}
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void BaseExpression::after_field_value(const wchar_t *)
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{
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}
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void BaseExpression::before_field_value(const char *)
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{
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}
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void BaseExpression::after_field_value(const char *)
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{
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}
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void BaseExpression::before_field_value(const PT::Date &)
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{
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}
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void BaseExpression::after_field_value(const PT::Date &)
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{
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}
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void BaseExpression::put_name_value_separator()
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{
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(*out_stream) << ',';
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}
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void BaseExpression::esc(char val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(unsigned char val, PT::TextStream & stream)
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{
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esc(static_cast<char>(val), stream);
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}
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void BaseExpression::esc(wchar_t val, PT::TextStream & stream)
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{
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char utf8_buf[10];
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size_t utf8_len = PT::IntToUTF8((int)val, utf8_buf, sizeof(utf8_buf));
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for(size_t a = 0 ; a < utf8_len ; ++a)
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{
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esc(utf8_buf[a], stream);
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}
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}
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void BaseExpression::esc(const std::wstring & val, PT::TextStream & stream)
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{
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char utf8_buf[10];
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for(size_t i = 0 ; i < val.size() ; ++i)
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{
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size_t utf8_len = PT::IntToUTF8((int)val[i], utf8_buf, sizeof(utf8_buf));
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for(size_t a = 0 ; a < utf8_len ; ++a)
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{
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esc(utf8_buf[a], stream);
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}
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}
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}
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void BaseExpression::esc(const wchar_t * val, PT::TextStream & stream)
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{
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char utf8_buf[10];
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for(size_t i = 0 ; val[i] != 0 ; ++i)
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{
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size_t utf8_len = PT::IntToUTF8((int)val[i], utf8_buf, sizeof(utf8_buf));
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for(size_t a = 0 ; a < utf8_len ; ++a)
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{
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esc(utf8_buf[a], stream);
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}
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}
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}
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void BaseExpression::esc(const std::string & val, PT::TextStream & stream)
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{
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for(size_t i = 0 ; i < val.size() ; ++i)
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{
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esc(val[i], stream);
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}
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}
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void BaseExpression::esc(const char * val, PT::TextStream & stream)
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{
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for(size_t i = 0 ; val[i] != 0 ; ++i)
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{
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esc(val[i], stream);
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}
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}
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void BaseExpression::esc(bool val, PT::TextStream & stream)
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{
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if( val )
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stream << "true";
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else
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stream << "false";
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}
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void BaseExpression::esc(short val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(unsigned short val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(int val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(unsigned int val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(long val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(unsigned long val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(long long val, PT::TextStream & stream)
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{
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// not implemented in PT::TextStream yet
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//stream << val;
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}
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void BaseExpression::esc(unsigned long long val, PT::TextStream & stream)
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{
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//stream << val;
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}
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void BaseExpression::esc(float val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(double val, PT::TextStream & stream)
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{
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stream << val;
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}
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void BaseExpression::esc(long double val, PT::TextStream & stream)
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{
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// IMPLEMENT ME in PT::TextStream
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//stream << val;
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}
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void BaseExpression::esc(const PT::Date & date, PT::TextStream & stream)
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{
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stream << date;
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}
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void BaseExpression::esc(const PT::TextStream & val, PT::TextStream & stream)
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{
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PT::TextStream::const_iterator i = val.begin();
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for(; i != val.end() ; ++i)
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{
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esc(*i, stream);
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}
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}
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void BaseExpression::put_type(char val, PT::TextStream & stream)
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{
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stream << "char";
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}
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void BaseExpression::put_type(unsigned char val, PT::TextStream & stream)
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{
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stream << "unsigned char";
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}
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void BaseExpression::put_type(const std::wstring & val, PT::TextStream & stream)
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{
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stream << "text";
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}
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void BaseExpression::put_type(const wchar_t * val, PT::TextStream & stream)
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{
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stream << "text";
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}
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void BaseExpression::put_type(const std::string & val, PT::TextStream & stream)
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{
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stream << "text";
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}
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void BaseExpression::put_type(const char * val, PT::TextStream & stream)
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{
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stream << "text";
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}
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void BaseExpression::put_type(bool val, PT::TextStream & stream)
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{
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stream << "boolean";
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}
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void BaseExpression::put_type(short val, PT::TextStream & stream)
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{
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stream << "short integer";
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}
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void BaseExpression::put_type(unsigned short val, PT::TextStream & stream)
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{
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stream << "unsigned short integer";
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}
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void BaseExpression::put_type(int val, PT::TextStream & stream)
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{
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stream << "integer";
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}
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void BaseExpression::put_type(unsigned int val, PT::TextStream & stream)
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{
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stream << "unsigned integer";
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}
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void BaseExpression::put_type(long val, PT::TextStream & stream)
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{
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stream << "long integer";
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}
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void BaseExpression::put_type(unsigned long val, PT::TextStream & stream)
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{
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stream << "unsigned long integer";
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}
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void BaseExpression::put_type(long long val, PT::TextStream & stream)
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{
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stream << "very long integer";
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}
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void BaseExpression::put_type(unsigned long long val, PT::TextStream & stream)
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{
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stream << "unsigned very long integer";
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}
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void BaseExpression::put_type(float val, PT::TextStream & stream)
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{
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stream << "float";
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}
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void BaseExpression::put_type(double val, PT::TextStream & stream)
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{
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stream << "double";
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}
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void BaseExpression::put_type(long double val, PT::TextStream & stream)
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{
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stream << "long double";
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}
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//void BaseExpression::put_type(void* val, PT::TextStream & stream)
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//{
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//}
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void BaseExpression::put_type(const PT::Date & date, PT::TextStream & stream)
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{
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stream << "date";
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|
}
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void BaseExpression::put_type(const Model & model, PT::TextStream & stream)
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|
{
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|
stream << "object";
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|
}
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}
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