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added new methods

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This commit is contained in:
zYne 2007-05-11 19:07:06 +00:00
parent f4ad789a2d
commit 29a6d2ef7f
1 changed files with 153 additions and 9 deletions
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162
lib/Doctrine/Tokenizer.php
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@ -39,6 +39,21 @@ class Doctrine_Tokenizer
public function tokenize()
{
}
/**
* trims brackets
*
* @param string $str
* @param string $e1 the first bracket, usually '('
* @param string $e2 the second bracket, usually ')'
*/
public static function bracketTrim($str,$e1 = '(',$e2 = ')')
{
if(substr($str,0,1) == $e1 && substr($str,-1) == $e2) {
return substr($str,1,-1);
} else {
return $str;
}
}
/**
* bracketExplode
@ -63,25 +78,154 @@ class Doctrine_Tokenizer
*/
public static function bracketExplode($str, $d = ' ', $e1 = '(', $e2 = ')')
{
if (is_array($d)) {
$a = preg_split('/(' . implode('|', $d) . ')/', $str);
if(is_array($d)) {
$a = preg_split('/('.implode('|', $d).')/', $str);
$d = stripslashes($d[0]);
} else {
} else
$a = explode($d, $str);
}
$i = 0;
$term = array();
foreach($a as $key => $val) {
foreach($a as $key=>$val) {
if (empty($term[$i])) {
$term[$i] = trim($val);
$s1 = substr_count($term[$i], $e1);
$s2 = substr_count($term[$i], $e2);
if($s1 == $s2) {
$i++;
}
} else {
$term[$i] .= $d . trim($val);
$c1 = substr_count($term[$i], $e1);
$c2 = substr_count($term[$i], $e2);
if($c1 == $c2) {
$i++;
}
}
$c1 = substr_count($term[$i], $e1);
$c2 = substr_count($term[$i], $e2);
}
return $term;
}
/**
* quoteExplode
*
* example:
*
* parameters:
* $str = email LIKE 'John@example.com'
* $d = ' AND '
*
* would return an array:
* array("email", "LIKE", "'John@example.com'")
*
* @param string $str
* @param string $d the delimeter which explodes the string
*/
public static function quoteExplode($str, $d = ' ')
{
if (is_array($d)) {
$a = preg_split('/('.implode('|', $d).')/', $str);
$d = stripslashes($d[0]);
} else
$a = explode($d, $str);
if($c1 == $c2) {
$i++;
$i = 0;
$term = array();
foreach ($a as $key => $val) {
if (empty($term[$i])) {
$term[$i] = trim($val);
if( ! (substr_count($term[$i], "'") & 1)) {
$i++;
}
} else {
$term[$i] .= $d . trim($val);
if( ! (substr_count($term[$i], "'") & 1)) {
$i++;
}
}
}
return $term;
}
/**
* sqlExplode
*
* explodes a string into array using custom brackets and
* quote delimeters
*
*
* example:
*
* parameters:
* $str = "(age < 20 AND age > 18) AND name LIKE 'John Doe'"
* $d = ' '
* $e1 = '('
* $e2 = ')'
*
* would return an array:
* array('(age < 20 AND age > 18)',
* 'name',
* 'LIKE',
* 'John Doe')
*
* @param string $str
* @param string $d the delimeter which explodes the string
* @param string $e1 the first bracket, usually '('
* @param string $e2 the second bracket, usually ')'
*
* @return array
*/
public static function sqlExplode($str, $d = ' ', $e1 = '(', $e2 = ')')
{
if ($d == ' ') {
$d = array(' ', '\s');
}
if (is_array($d)) {
if (in_array(' ', $d)) {
$d[] = '\s';
}
$str = preg_split('/(' . implode('|', $d) . ')/', $str);
$d = stripslashes($d[0]);
} else {
$str = explode("$d",$str);
}
$i = 0;
$term = array();
foreach ($str as $key => $val) {
if (empty($term[$i])) {
$term[$i] = trim($val);
$s1 = substr_count($term[$i], $e1);
$s2 = substr_count($term[$i], $e2);
if (substr($term[$i],0,1) == '(') {
if($s1 == $s2) {
$i++;
}
} else {
if ( ! (substr_count($term[$i], "'") & 1) &&
! (substr_count($term[$i], "\"") & 1)) {
$i++;
}
}
} else {
$term[$i] .= $d . trim($val);
$c1 = substr_count($term[$i], $e1);
$c2 = substr_count($term[$i], $e2);
if (substr($term[$i],0,1) == '(') {
if($c1 == $c2) {
$i++;
}
} else {
if ( ! (substr_count($term[$i], "'") & 1) &&
! (substr_count($term[$i], "\"") & 1)) {
$i++;
}
}
}
}
return $term;