git.m6w6.name Git - m6w6/pq-gateway/blob - lib/pq/Gateway/Cell.php

   1 <?php
   2
   3 namespace pq\Gateway;
   4
   5 use \pq\Query\Expr;
   6
   7 class Cell
   8 {
   9         /**
  10          * @var \pq\Gateway\Row
  11          */
  12         protected $row;
  13
  14         /**
  15          * @var string
  16          */
  17         protected $name;
  18
  19         /**
  20          * @var mixed
  21          */
  22         protected $data;
  23
  24         /**
  25          * @var bool
  26          */
  27         protected $dirty;
  28
  29         /**
  30          * @param \pq\Gateway\Row $row
  31          * @param string $name
  32          * @param mixed $data
  33          * @param bool $dirty
  34          */
  35         function __construct(Row $row, $name, $data, $dirty = false) {
  36                 $this->row = $row;
  37                 $this->name = $name;
  38                 $this->data = $data;
  39                 $this->dirty = $dirty;
  40         }
  41
  42         /**
  43          * Get value as string
  44          * @return string
  45          */
  46         function __toString() {
  47                 return (string) $this->data;
  48         }
  49
  50         /**
  51          * Test whether the value is an unevaluated expression
  52          * @return bool
  53          */
  54         function isExpr() {
  55                 return $this->data instanceof Expr;
  56         }
  57
  58         /**
  59          * Check whether the cell has been modified
  60          * @return bool
  61          */
  62         function isDirty() {
  63                 return $this->dirty;
  64         }
  65
  66         /**
  67          * Get value
  68          * @return mixed
  69          */
  70         function get() {
  71                 return $this->data;
  72         }
  73
  74         /**
  75          * Modify the value in this cell
  76          * @param mixed $data
  77          * @param string $op a specific operator
  78          * @return \pq\Gateway\Cell
  79          */
  80         function mod($data, $op = null) {
  81                 if (!($this->data instanceof Expr)) {
  82                         $this->data = new Expr($this->name);
  83                 }
  84
  85                 if ($data instanceof Expr) {
  86                         $this->data->add($data);
  87                 } elseif (!isset($op) && is_numeric($data)) {
  88                         $this->data->add(new Expr("+ $data"));
  89                 } else {
  90                         $data = $this->row->getTable()->getConnection()->quote($data);
  91                         $this->data->add(new Expr("%s %s", isset($op) ? $op : "||", $data));
  92                 }
  93
  94                 $this->dirty = true;
  95
  96                 return $this;
  97         }
  98
  99         /**
 100          * Set the value in this cell
 101          * @param mixed $data
 102          * @return \pq\Gateway\Cell
 103          */
 104         function set($data) {
 105                 $this->data = $data;
 106                 $this->dirty = true;
 107                 return $this;
 108         }
 109 }