git.m6w6.name Git - m6w6/pq-gateway/blob - lib/pq/Query/Expressible.php

   1 <?php
   2
   3 namespace pq\Query;
   4
   5 class Expressible implements ExpressibleInterface
   6 {
   7         /**
   8          * @var mixed
   9          */
  10         protected $data;
  11
  12         function __construct($data) {
  13                 $this->data = $data;
  14         }
  15
  16         /**
  17          * Get value as string
  18          * @return string
  19          */
  20         function __toString() {
  21                 return (string) $this->data;
  22         }
  23
  24         /**
  25          * Test whether the value is an unevaluated expression
  26          * @return bool
  27          */
  28         function isExpr() {
  29                 return $this->data instanceof Expr;
  30         }
  31
  32         /**
  33          * Get value
  34          * @return mixed
  35          */
  36         function get() {
  37                 return $this->data;
  38         }
  39
  40         /**
  41          * Set the value
  42          * @param mixed $data
  43          * @return \pq\Query\Expressible
  44          */
  45         function set($data) {
  46                 $this->data = $data;
  47                 return $this;
  48         }
  49
  50         /**
  51          * Modify the data
  52          * @param mixed $data
  53          * @param string $op a specific operator
  54          * @return \pq\Query\Expressible
  55          */
  56         function mod($data, $op = null) {
  57                 if (!($this->data instanceof Expr)) {
  58                         $this->data = new Expr($this->name);
  59                 }
  60
  61                 if ($data instanceof Expr) {
  62                         $this->data->add($data);
  63                 } elseif (!isset($op) && is_numeric($data)) {
  64                         $this->data->add(new Expr("+ $data"));
  65                 } else {
  66                         $data = $this->row->getTable()->getConnection()->quote($data);
  67                         $this->data->add(new Expr("%s %s", isset($op) ? $op : "||", $data));
  68                 }
  69
  70                 return $this;
  71         }
  72 }