/sqlite3cc : contents of src/row.cc at revision 45

: (revision 45)

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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>


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
	26
	27	sqlite::row::row(
9 by edam - added NEWS	28	sqlite3_stmt *handle,
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	29	unsigned long long row_number )
2 by edam - further initial development	30	:
9 by edam - added NEWS	31	_handle( handle ),
2 by edam - further initial development	32	_column_index( 0 ),
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	33	_row_number( row_number )
9 by edam - added NEWS	34	{
	35	}
	36
	37
	38	sqlite::row::row()
	39	:
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	40	_handle( NULL )
	41	{
	42	}
	43
	44
	45	sqlite::row::operator bool()
	46	const
	47	{
	48	return _handle? true : false;
2 by edam - further initial development	49	}
	50
	51
	52	int sqlite::row::column_type(
	53	unsigned int index )
	54	{
9 by edam - added NEWS	55	assert( index <
	56	static_cast< unsigned int >( sqlite3_column_count( _handle ) ) );
	57	return sqlite3_column_type( _handle, index );
2 by edam - further initial development	58	}
	59
	60
	61	unsigned int sqlite::row::column_bytes(
	62	unsigned int index )
	63	{
9 by edam - added NEWS	64	return sqlite3_column_bytes( _handle, index );
2 by edam - further initial development	65	}
	66
	67
	68	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	69	sqlite::detail::set_index_t t )
2 by edam - further initial development	70	{
	71	_column_index = t._index;
	72	return *this;
	73	}
	74
	75
16 by edam - renamed database to connection to better identify what it is (would database_connection be better though?)	76	bool sqlite::row::operator ==(
	77	const sqlite::row &other )
	78	const
	79	{
	80	return !_handle? !other._handle :
	81	_handle == other._handle && _row_number == other._row_number;
	82	}
	83
	84
2 by edam - further initial development	85	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	86	sqlite::row &sqlite::row::operator >> < sqlite::detail::null_t >(
	87	sqlite::detail::null_t & )
2 by edam - further initial development	88	{
9 by edam - added NEWS	89	assert( _column_index <
9 by edam - added NEWS	90	static_cast< unsigned int >( sqlite3_column_count( _handle ) ) );
2 by edam - further initial development	91	_column_index++;
	92	return *this;
	93	}