diff options
Diffstat (limited to 'include/functions_search.inc.php')
| -rw-r--r-- | include/functions_search.inc.php | 206 |
1 files changed, 152 insertions, 54 deletions
diff --git a/include/functions_search.inc.php b/include/functions_search.inc.php index b59f8a164..a02e03331 100644 --- a/include/functions_search.inc.php +++ b/include/functions_search.inc.php @@ -302,23 +302,30 @@ class QSearchScope var $id; var $aliases; var $is_text; - var $allow_empty; + var $nullable; - function __construct($id, $aliases, $allow_empty=false, $is_text=true) + function __construct($id, $aliases, $nullable=false, $is_text=true) { $this->id = $id; $this->aliases = $aliases; $this->is_text = $is_text; - $this->allow_empty =$allow_empty; + $this->nullable =$nullable; + } + + function parse($token) + { + if (!$this->nullable && 0==strlen($token->term)) + return false; + return true; } } class QNumericRangeScope extends QSearchScope { private $epsilon; - function __construct($id, $aliases, $allow_empty=false, $epsilon=0) + function __construct($id, $aliases, $nullable=false, $epsilon=0) { - parent::__construct($id, $aliases, $allow_empty, false); + parent::__construct($id, $aliases, $nullable, false); $this->epsilon = $epsilon; } @@ -327,15 +334,16 @@ class QNumericRangeScope extends QSearchScope $str = $token->term; if ( ($pos = strpos($str, '..')) !== false) $range = array( substr($str,0,$pos), substr($str, $pos+2)); + elseif ('>' == @$str[0])// ratio:>1 + $range = array( substr($str,1), ''); + elseif ('<' == @$str[0]) // size:<5mp + $range = array('', substr($str,1)); + elseif( ($token->modifier & QST_WILDCARD_BEGIN) ) + $range = array('', $str); + elseif( ($token->modifier & QST_WILDCARD_END) ) + $range = array($str, ''); else - { - if ('>' == @$str[0])// ratio:>1 - $range = array( substr($str,1), ''); - elseif ('<' == @$str[0]) // size:<5mp - $range = array('', substr($str,1)); - else - $range = array($str, $str); - } + $range = array($str, $str); foreach ($range as $i =>&$val) { @@ -371,7 +379,7 @@ class QNumericRangeScope extends QSearchScope } } - if (!$this->allow_empty && $range[0]=='' && $range[1] == '') + if (!$this->nullable && $range[0]=='' && $range[1] == '') return false; $token->scope_data = $range; return true; @@ -386,7 +394,77 @@ class QNumericRangeScope extends QSearchScope $clauses[] = $field.' <= ' .$token->scope_data[1].' '; if (empty($clauses)) - return $field.' IS NULL'; + { + if ($token->modifier & QST_WILDCARD) + return $field.' IS NOT NULL'; + else + return $field.' IS NULL'; + } + return '('.implode(' AND ', $clauses).')'; + } +} + + +class QDateRangeScope extends QSearchScope +{ + function __construct($id, $aliases, $nullable=false) + { + parent::__construct($id, $aliases, $nullable, false); + } + + function parse($token) + { + $str = $token->term; + if ( ($pos = strpos($str, '..')) !== false) + $range = array( substr($str,0,$pos), substr($str, $pos+2)); + elseif ('>' == @$str[0]) + $range = array( substr($str,1), ''); + elseif ('<' == @$str[0]) + $range = array('', substr($str,1)); + elseif( ($token->modifier & QST_WILDCARD_BEGIN) ) + $range = array('', $str); + elseif( ($token->modifier & QST_WILDCARD_END) ) + $range = array($str, ''); + else + $range = array($str, $str); + + foreach ($range as $i =>&$val) + { + if (preg_match('/([0-9]{4})-?((?:0?[0-9])|(?:1[0-2]))?-?(((?:0?[0-9])|(?:[1-3][0-9])))?/', $val, $matches)) + { + array_shift($matches); + if (!isset($matches[1])) + $matches[1] = !$i ? 1 : 12; + if (!isset($matches[2])) + $matches[2] = !$i ? 1 : 31; + $val = $matches; + } + elseif (strlen($val)) + return false; + } + + if (!$this->nullable && $range[0]=='' && $range[1] == '') + return false; + + $token->scope_data = $range; + return true; + } + + function get_sql($field, $token) + { + $clauses = array(); + if ($token->scope_data[0]!=='') + $clauses[] = $field.' >= \'' . implode('-',$token->scope_data[0]).'\''; + if ($token->scope_data[1]!=='') + $clauses[] = $field.' <= \'' . implode('-',$token->scope_data[1]).' 23:59:59\''; + + if (empty($clauses)) + { + if ($token->modifier & QST_WILDCARD) + return $field.' IS NOT NULL'; + else + return $field.' IS NULL'; + } return '('.implode(' AND ', $clauses).')'; } } @@ -471,7 +549,7 @@ class QMultiToken private function push(&$token, &$modifier, &$scope) { - if (strlen($token) || (isset($scope) && $scope->allow_empty)) + if (strlen($token) || (isset($scope) && $scope->nullable)) { $this->tokens[] = new QSingleToken($token, $modifier, $scope); } @@ -558,9 +636,7 @@ class QMultiToken default: if (preg_match('/[\s,.;!\?]+/', $ch)) { // white space - if (strlen($crt_token)) - $this->push($crt_token, $crt_modifier, $crt_scope); - $crt_modifier = 0; + $this->push($crt_token, $crt_modifier, $crt_scope); } else $crt_token .= $ch; @@ -591,44 +667,46 @@ class QMultiToken $remove = false; if ($token->is_single) { - if (!isset($token->scope)) + if ( ($token->modifier & QST_QUOTED)==0 + && substr($token->term, -1)=='*' ) { - if ( ($token->modifier & QST_QUOTED)==0 ) + $token->term = rtrim($token->term, '*'); + $token->modifier |= QST_WILDCARD_END; + } + + if ( !isset($token->scope) + && ($token->modifier & (QST_QUOTED|QST_WILDCARD))==0 ) + { + if ('not' == strtolower($token->term)) { - if ('not' == strtolower($token->term)) - { - if ($i+1 < count($this->tokens)) - $this->tokens[$i+1]->modifier |= QST_NOT; - $token->term = ""; - } - if ('or' == strtolower($token->term)) - { - if ($i+1 < count($this->tokens)) - $this->tokens[$i+1]->modifier |= QST_OR; - $token->term = ""; - } - if ('and' == strtolower($token->term)) - { - $token->term = ""; - } - if ( substr($token->term, -1)=='*' ) - { - $token->term = rtrim($token->term, '*'); - $token->modifier |= QST_WILDCARD_END; - } + if ($i+1 < count($this->tokens)) + $this->tokens[$i+1]->modifier |= QST_NOT; + $token->term = ""; + } + if ('or' == strtolower($token->term)) + { + if ($i+1 < count($this->tokens)) + $this->tokens[$i+1]->modifier |= QST_OR; + $token->term = ""; + } + if ('and' == strtolower($token->term)) + { + $token->term = ""; } - if (!strlen($token->term)) - $remove = true; } - elseif (!$token->scope->is_text) + + if (!strlen($token->term) + && (!isset($token->scope) || !$token->scope->nullable) ) { - if (!$token->scope->parse($token)) - $remove = true; + $remove = true; } + + if ( isset($token->scope) + && !$token->scope->parse($token)) + $remove = true; } - else + elseif (!count($token->tokens)) { - if (!count($token->tokens)) $remove = true; } if ($remove) @@ -649,7 +727,7 @@ class QMultiToken $this->tokens[$i]->scope = $scope; } else - $this->tokens[$i]->aooky_scope($scope); + $this->tokens[$i]->apply_scope($scope); } } @@ -829,8 +907,6 @@ function qsearch_get_images(QExpression $expr, QResults $qsr) break; case 'width': case 'height': - case 'hits': - case 'rating_score': $clauses[] = $token->scope->get_sql($scope_id, $token); break; case 'ratio': @@ -839,8 +915,20 @@ function qsearch_get_images(QExpression $expr, QResults $qsr) case 'size': $clauses[] = $token->scope->get_sql('width*height', $token); break; + case 'hits': + $clauses[] = $token->scope->get_sql('hit', $token); + break; + case 'score': + $clauses[] = $token->scope->get_sql('rating_score', $token); + break; case 'filesize': - $clauses[] = $token->scope->get_sql('filesize', $token); + $clauses[] = $token->scope->get_sql('1024*filesize', $token); + break; + case 'created': + $clauses[] = $token->scope->get_sql('date_creation', $token); + break; + case 'posted': + $clauses[] = $token->scope->get_sql('date_available', $token); break; } @@ -1126,7 +1214,17 @@ function get_quick_search_results($q, $super_order_by, $images_where='') $scopes[] = new QNumericRangeScope('size', array()); $scopes[] = new QNumericRangeScope('filesize', array()); $scopes[] = new QNumericRangeScope('hits', array('hit', 'visit', 'visits')); - $scopes[] = new QNumericRangeScope('rating_score', array('score'), true); + $scopes[] = new QNumericRangeScope('score', array('rating'), true); + + $createdDateAliases = array('taken'); + $postedDateAliases = array('added'); + if ($conf['calendar_datefield'] == 'date_creation') + $createdDateAliases[] = 'date'; + else + $postedDateAliases[] = 'date'; + $scopes[] = new QDateRangeScope('created', $createdDateAliases, true); + $scopes[] = new QDateRangeScope('posted', $postedDateAliases); + $expression = new QExpression($q, $scopes); //var_export($expression); |