/sqlite3cc : contents of src/row.cc at revision 36

: (revision 36)

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/*
 * row.cc
 *
 * Copyright (C) 2009 Tim Marston <tim@ed.am>
 *
 * This file is part of sqlite3cc (hereafter referred to as "this program").
 * See http://ed.am/dev/sqlite3cc for more information.
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <sqlite3cc/row.h>
#include <sqlite3cc/manipulator.h>
#include <cassert>


sqlite::row::row(
	sqlite3_stmt *handle,
	unsigned long long row_number )
	:
	_handle( handle ),
	_column_index( 0 ),
	_row_number( row_number )
{
}


sqlite::row::row()
	:
	_handle( NULL )
{
}


sqlite::row::operator bool()
	const
{
	return _handle? true : false;
}


int sqlite::row::column_type(
	unsigned int index )
{
	assert( index <
		static_cast< unsigned int >( sqlite3_column_count( _handle ) ) );
	return sqlite3_column_type( _handle, index );
}


unsigned int sqlite::row::column_bytes(
	unsigned int index )
{
	return sqlite3_column_bytes( _handle, index );
}


sqlite::row &sqlite::row::operator >>(
	sqlite::detail::set_index_t t )
{
	_column_index = t._index;
	return *this;
}


bool sqlite::row::operator ==(
	const sqlite::row &other )
	const
{
	return !_handle? !other._handle :
		_handle == other._handle && _row_number == other._row_number;
}


template< >
sqlite::row &sqlite::row::operator >> < sqlite::detail::null_t >(
	sqlite::detail::null_t & )
{
	assert( _column_index <
		static_cast< unsigned int >( sqlite3_column_count( _handle ) ) );
	_column_index++;
	return *this;
}

2 by edam - further initial development	1	/*
	2	* row.cc
	3	*
22 by edam updated email and web addresses	4	* Copyright (C) 2009 Tim Marston <tim@ed.am>
2 by edam - further initial development	5	*
2 by edam - further initial development	6	* This file is part of sqlite3cc (hereafter referred to as "this program").
22 by edam updated email and web addresses	7	* See http://ed.am/dev/sqlite3cc for more information.
	8	*
	9	* This program is free software: you can redistribute it and/or modify it under
	10	* the terms of the GNU Lesser General Public License as published by the Free
	11	* Software Foundation, either version 3 of the License, or (at your option) any
	12	* later version.
	13	*
	14	* This program is distributed in the hope that it will be useful, but WITHOUT
	15	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	16	* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
	17	* details.
2 by edam - further initial development	18	*
	19	* You should have received a copy of the GNU Lesser General Public License
	20	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	21	*/
	22
	23	#include <sqlite3cc/row.h>
	24	#include <sqlite3cc/manipulator.h>
	25	#include <cassert>
	26
	27
	28	sqlite::row::row(
9 by edam - added NEWS	29	sqlite3_stmt *handle,
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	30	unsigned long long row_number )
2 by edam - further initial development	31	:
9 by edam - added NEWS	32	_handle( handle ),
2 by edam - further initial development	33	_column_index( 0 ),
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	34	_row_number( row_number )
9 by edam - added NEWS	35	{
	36	}
	37
	38
	39	sqlite::row::row()
	40	:
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	41	_handle( NULL )
	42	{
	43	}
	44
	45
	46	sqlite::row::operator bool()
	47	const
	48	{
	49	return _handle? true : false;
2 by edam - further initial development	50	}
	51
	52
	53	int sqlite::row::column_type(
	54	unsigned int index )
	55	{
9 by edam - added NEWS	56	assert( index <
	57	static_cast< unsigned int >( sqlite3_column_count( _handle ) ) );
	58	return sqlite3_column_type( _handle, index );
2 by edam - further initial development	59	}
	60
	61
	62	unsigned int sqlite::row::column_bytes(
	63	unsigned int index )
	64	{
9 by edam - added NEWS	65	return sqlite3_column_bytes( _handle, index );
2 by edam - further initial development	66	}
	67
	68
	69	sqlite::row &sqlite::row::operator >>(
12 by edam - moved null_t, exec_t and set_index_t to detail namespace so only their extern instantiations are in the main namespace	70	sqlite::detail::set_index_t t )
2 by edam - further initial development	71	{
	72	_column_index = t._index;
	73	return *this;
	74	}
	75
	76
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	77	bool sqlite::row::operator ==(
	78	const sqlite::row &other )
	79	const
	80	{
	81	return !_handle? !other._handle :
	82	_handle == other._handle && _row_number == other._row_number;
	83	}
	84
	85
2 by edam - further initial development	86	template< >
12 by edam - moved null_t, exec_t and set_index_t to detail namespace so only their extern instantiations are in the main namespace	87	sqlite::row &sqlite::row::operator >> < sqlite::detail::null_t >(
	88	sqlite::detail::null_t & )
2 by edam - further initial development	89	{
9 by edam - added NEWS	90	assert( _column_index <
9 by edam - added NEWS	91	static_cast< unsigned int >( sqlite3_column_count( _handle ) ) );
2 by edam - further initial development	92	_column_index++;
	93	return *this;
	94	}