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Theodotos Andreou 2018-01-14 13:10:16 +00:00
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sites/all/modules/civicrm/packages/DB/Table/Valid.php Normal file
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* DB_Table_Valid validates values against DB_Table column types.
*
* PHP versions 4 and 5
*
* LICENSE:
*
* Copyright (c) 1997-2007, Paul M. Jones <pmjones@php.net>
* David C. Morse <morse@php.net>
* Mark Wiesemann <wiesemann@php.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 OWNER 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.
*
* @category Database
* @package DB_Table
* @author Paul M. Jones <pmjones@php.net>
* @author David C. Morse <morse@php.net>
* @author Mark Wiesemann <wiesemann@php.net>
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id: Valid.php,v 1.10 2007/12/13 16:52:15 wiesemann Exp $
* @link http://pear.php.net/package/DB_Table
*/
/**
* DB_Table class for constants and other globals.
*/
require_once 'DB/Table.php';
/**
* validation ranges for integers
*/
if (! isset($GLOBALS['_DB_TABLE']['valid'])) {
$GLOBALS['_DB_TABLE']['valid'] = array(
'smallint' => array(pow(-2, 15), pow(+2, 15) - 1),
'integer' => array(pow(-2, 31), pow(+2, 31) - 1),
'bigint' => array(pow(-2, 63), pow(+2, 63) - 1)
);
}
/**
* DB_Table_Valid validates values against DB_Table column types.
*
* @category Database
* @package DB_Table
* @author Paul M. Jones <pmjones@php.net>
* @author David C. Morse <morse@php.net>
* @author Mark Wiesemann <wiesemann@php.net>
* @version Release: 1.5.6
* @link http://pear.php.net/package/DB_Table
*/
class DB_Table_Valid {
/**
*
* Check if a value validates against the 'boolean' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isBoolean($value)
{
if ($value === true || $value === false) {
return true;
} elseif (is_numeric($value) && ($value == 0 || $value == 1)) {
return true;
} else {
return false;
}
}
/**
*
* Check if a value validates against the 'char' and 'varchar' data type.
*
* We allow most anything here, only checking that the length is in range.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isChar($value, $colsize)
{
$is_scalar = (! is_array($value) && ! is_object($value));
$in_range = (strlen($value) <= $colsize);
return $is_scalar && $in_range;
}
/**
*
* Check if a value validates against the 'smallint' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isSmallint($value)
{
return is_integer($value) &&
($value >= $GLOBALS['_DB_TABLE']['valid']['smallint'][0]) &&
($value <= $GLOBALS['_DB_TABLE']['valid']['smallint'][1]);
}
/**
*
* Check if a value validates against the 'integer' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isInteger($value)
{
return is_integer($value) &&
($value >= $GLOBALS['_DB_TABLE']['valid']['integer'][0]) &&
($value <= $GLOBALS['_DB_TABLE']['valid']['integer'][1]);
}
/**
*
* Check if a value validates against the 'bigint' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isBigint($value)
{
return is_integer($value) &&
($value >= $GLOBALS['_DB_TABLE']['valid']['bigint'][0]) &&
($value <= $GLOBALS['_DB_TABLE']['valid']['bigint'][1]);
}
/**
*
* Check if a value validates against the 'decimal' data type.
*
* For the column defined "DECIMAL(5,2)" standard SQL requires that
* the column be able to store any value with 5 digits and 2
* decimals. In this case, therefore, the range of values that can be
* stored in the column is from -999.99 to 999.99. DB_Table attempts
* to enforce this behavior regardless of the RDBMS backend behavior.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @param string $colsize The 'size' to use for validation (to make
* sure of min/max and decimal places).
*
* @param string $colscope The 'scope' to use for validation (to make
* sure of min/max and decimal places).
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isDecimal($value, $colsize, $colscope)
{
if (! is_numeric($value)) {
return false;
}
// maximum number of digits allowed to the left
// and right of the decimal point.
$right_max = $colscope;
$left_max = $colsize - $colscope;
// ignore negative signs in all validation
$value = str_replace('-', '', $value);
// find the decimal point, then get the left
// and right portions.
$pos = strpos($value, '.');
if ($pos === false) {
$left = $value;
$right = '';
} else {
$left = substr($value, 0, $pos);
$right = substr($value, $pos+1);
}
// how long are the left and right portions?
$left_len = strlen($left);
$right_len = strlen($right);
// do the portions exceed their maxes?
if ($left_len > $left_max ||
$right_len > $right_max) {
// one or the other exceeds the max lengths
return false;
} else {
// both are within parameters
return true;
}
}
/**
*
* Check if a value validates against the 'single' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isSingle($value)
{
return is_float($value);
}
/**
*
* Check if a value validates against the 'double' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isDouble($value)
{
return is_float($value);
}
/**
*
* Check if a value validates against the 'time' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isTime($value)
{
// hh:ii:ss
// 01234567
$h = substr($value, 0, 2);
$s1 = substr($value, 2, 1);
$i = substr($value, 3, 2);
$s2 = substr($value, 5, 1);
$s = substr($value, 6, 2);
// time check
if (strlen($value) != 8 ||
! is_numeric($h) || $h < 0 || $h > 23 ||
$s1 != ':' ||
! is_numeric($i) || $i < 0 || $i > 59 ||
$s2 != ':' ||
! is_numeric($s) || $s < 0 || $s > 59) {
return false;
} else {
return true;
}
}
/**
*
* Check if a value validates against the 'date' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isDate($value)
{
// yyyy-mm-dd
// 0123456789
$y = substr($value, 0, 4);
$s1 = substr($value, 4, 1);
$m = substr($value, 5, 2);
$s2 = substr($value, 7, 1);
$d = substr($value, 8, 2);
// date check
if (strlen($value) != 10 || $s1 != '-' || $s2 != '-' ||
! checkdate($m, $d, $y)) {
return false;
} else {
return true;
}
}
/**
*
* Check if a value validates against the 'timestamp' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isTimestamp($value)
{
// yyyy-mm-dd hh:ii:ss
// 0123456789012345678
$date = substr($value, 0, 10);
$sep = substr($value, 10, 1);
$time = substr($value, 11, 8);
if (strlen($value) != 19 || $sep != ' ' ||
! DB_Table_Valid::isDate($date) ||
! DB_Table_Valid::isTime($time)) {
return false;
} else {
return true;
}
}
/**
*
* Check if a value validates against the 'clob' data type.
*
* @static
*
* @access public
*
* @param mixed $value The value to validate.
*
* @return boolean True if the value is valid for the data type, false
* if not.
*
*/
function isClob($value)
{
return is_string($value);
}
}
?>