morm/src/baseexpression.cpp

530 lines
9.5 KiB
C++

/*
* This file is a part of morm
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2018-2019, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "baseexpression.h"
#include "morm_types.h"
#include "model.h"
#include "utf8/utf8.h"
namespace morm
{
BaseExpression::BaseExpression()
{
out_stream = nullptr;
is_first_field = false;
work_mode = 0;
}
BaseExpression::~BaseExpression()
{
}
void BaseExpression::set_work_mode(int work_mode)
{
this->work_mode = work_mode;
}
int BaseExpression::get_work_mode()
{
return work_mode;
}
void BaseExpression::prepare_to_new_expression()
{
column_prefix.clear();
column_prefix_index = 1;
out_stream = nullptr;
is_first_field = false;
work_mode = 0;
use_prefix = true;
}
PT::TextStream * BaseExpression::get_current_stream()
{
return out_stream;
}
void BaseExpression::allow_to_use_prefix(bool use_prefix)
{
this->use_prefix = use_prefix;
}
void BaseExpression::set_column_prefix(const std::string & prefix)
{
column_prefix = prefix;
}
void BaseExpression::set_column_prefix(const std::string & prefix, int index)
{
column_prefix = prefix;
column_prefix_index = index;
}
std::string BaseExpression::get_column_prefix()
{
return column_prefix;
}
int BaseExpression::get_column_prefix_index()
{
return column_prefix_index;
}
void BaseExpression::generate_from_model(PT::TextStream & stream, Model & model)
{
this->out_stream = &stream;
generate_from_model(model);
this->out_stream = nullptr;
}
void BaseExpression::generate_from_model(Model & model)
{
if( out_stream )
{
before_generate_from_model();
model.map_fields();
after_generate_from_model();
}
}
/*
void BaseExpression::put_field_doc(void * pointer)
{
if( out_stream )
{
before_generate_from_model();
model.doc_field_pointer = pointer;
model.map_doc_fields();
after_generate_from_model();
}
}
*/
void BaseExpression::before_generate_from_model()
{
is_first_field = true;
}
void BaseExpression::after_generate_from_model()
{
}
bool BaseExpression::can_field_be_generated(bool insertable, bool updatable, bool is_primary_key)
{
return true;
}
void BaseExpression::field_before()
{
if( !is_first_field )
{
// put a separator between fields
}
}
void BaseExpression::field_after()
{
is_first_field = false;
}
void BaseExpression::put_field_name(const wchar_t * field_name, bool add_column_prefix)
{
before_field_name();
if( use_prefix && add_column_prefix && !column_prefix.empty() )
{
esc(column_prefix, *out_stream);
if( column_prefix_index > 1 )
(*out_stream) << column_prefix_index;
(*out_stream) << '.';
}
esc(field_name, *out_stream);
after_field_name();
}
void BaseExpression::put_field_doc(Model & model, const void * field_pointer, bool insertable, bool updatable, bool is_primary_key, ModelEnv * model_env)
{
//model.doc_field_pointer = field_pointer;
model.model_env = model_env;
model.map_doc_fields();
model.model_env = nullptr;
//model.doc_field_pointer = nullptr;
}
void BaseExpression::before_field_name()
{
}
void BaseExpression::after_field_name()
{
}
void BaseExpression::before_field_value(const std::wstring &)
{
}
void BaseExpression::before_field_value(const std::string &)
{
}
void BaseExpression::after_field_value(const std::wstring &)
{
}
void BaseExpression::after_field_value(const std::string &)
{
}
void BaseExpression::before_field_value(const wchar_t *)
{
}
void BaseExpression::after_field_value(const wchar_t *)
{
}
void BaseExpression::before_field_value(const char *)
{
}
void BaseExpression::after_field_value(const char *)
{
}
void BaseExpression::before_field_value(const PT::Date &)
{
}
void BaseExpression::after_field_value(const PT::Date &)
{
}
void BaseExpression::put_name_value_separator()
{
(*out_stream) << ',';
}
void BaseExpression::esc(char val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(unsigned char val, PT::TextStream & stream)
{
esc(static_cast<char>(val), stream);
}
void BaseExpression::esc(const std::wstring & val, PT::TextStream & stream)
{
char utf8_buf[10];
for(size_t i = 0 ; i < val.size() ; ++i)
{
size_t utf8_len = PT::IntToUTF8((int)val[i], utf8_buf, sizeof(utf8_buf));
for(size_t a = 0 ; a < utf8_len ; ++a)
{
esc(utf8_buf[a], stream);
}
}
}
void BaseExpression::esc(const wchar_t * val, PT::TextStream & stream)
{
char utf8_buf[10];
for(size_t i = 0 ; val[i] != 0 ; ++i)
{
size_t utf8_len = PT::IntToUTF8((int)val[i], utf8_buf, sizeof(utf8_buf));
for(size_t a = 0 ; a < utf8_len ; ++a)
{
esc(utf8_buf[a], stream);
}
}
}
void BaseExpression::esc(const std::string & val, PT::TextStream & stream)
{
for(size_t i = 0 ; i < val.size() ; ++i)
{
esc(val[i], stream);
}
}
void BaseExpression::esc(const char * val, PT::TextStream & stream)
{
for(size_t i = 0 ; val[i] != 0 ; ++i)
{
esc(val[i], stream);
}
}
void BaseExpression::esc(bool val, PT::TextStream & stream)
{
if( val )
stream << "true";
else
stream << "false";
}
void BaseExpression::esc(short val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(unsigned short val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(int val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(unsigned int val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(long val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(unsigned long val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(long long val, PT::TextStream & stream)
{
// not implemented in PT::TextStream yet
//stream << val;
}
void BaseExpression::esc(unsigned long long val, PT::TextStream & stream)
{
//stream << val;
}
void BaseExpression::esc(float val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(double val, PT::TextStream & stream)
{
stream << val;
}
void BaseExpression::esc(long double val, PT::TextStream & stream)
{
// IMPLEMENT ME in PT::TextStream
//stream << val;
}
void BaseExpression::esc(const PT::Date & date, PT::TextStream & stream)
{
stream << date;
}
void BaseExpression::put_type(char val, PT::TextStream & stream)
{
stream << "char";
}
void BaseExpression::put_type(unsigned char val, PT::TextStream & stream)
{
stream << "unsigned char";
}
void BaseExpression::put_type(const std::wstring & val, PT::TextStream & stream)
{
stream << "text";
}
void BaseExpression::put_type(const wchar_t * val, PT::TextStream & stream)
{
stream << "text";
}
void BaseExpression::put_type(const std::string & val, PT::TextStream & stream)
{
stream << "text";
}
void BaseExpression::put_type(const char * val, PT::TextStream & stream)
{
stream << "text";
}
void BaseExpression::put_type(bool val, PT::TextStream & stream)
{
stream << "boolean";
}
void BaseExpression::put_type(short val, PT::TextStream & stream)
{
stream << "short integer";
}
void BaseExpression::put_type(unsigned short val, PT::TextStream & stream)
{
stream << "unsigned short integer";
}
void BaseExpression::put_type(int val, PT::TextStream & stream)
{
stream << "integer";
}
void BaseExpression::put_type(unsigned int val, PT::TextStream & stream)
{
stream << "unsigned integer";
}
void BaseExpression::put_type(long val, PT::TextStream & stream)
{
stream << "long integer";
}
void BaseExpression::put_type(unsigned long val, PT::TextStream & stream)
{
stream << "unsigned long integer";
}
void BaseExpression::put_type(long long val, PT::TextStream & stream)
{
stream << "very long integer";
}
void BaseExpression::put_type(unsigned long long val, PT::TextStream & stream)
{
stream << "unsigned very long integer";
}
void BaseExpression::put_type(float val, PT::TextStream & stream)
{
stream << "float";
}
void BaseExpression::put_type(double val, PT::TextStream & stream)
{
stream << "double";
}
void BaseExpression::put_type(long double val, PT::TextStream & stream)
{
stream << "long double";
}
//void BaseExpression::put_type(void* val, PT::TextStream & stream)
//{
//}
void BaseExpression::put_type(const PT::Date & date, PT::TextStream & stream)
{
stream << "date";
}
void BaseExpression::put_type(const Model & model, PT::TextStream & stream)
{
stream << "object";
}
}