|
1
|
|
|
<?php namespace Cornford\Logical; |
|
2
|
|
|
|
|
3
|
|
|
use Cornford\Logical\Contracts\LogicalInterface; |
|
4
|
|
|
use Cornford\Logical\Exceptions\LogicalDecodingException; |
|
5
|
|
|
use Cornford\Logical\Exceptions\LogicalExecutionException; |
|
6
|
|
|
use Cornford\Logical\Exceptions\LogicalFieldValueException; |
|
7
|
|
|
use Exception; |
|
8
|
|
|
|
|
9
|
|
|
class Logical extends LogicalAbstract implements LogicalInterface { |
|
10
|
|
|
|
|
11
|
|
|
/** |
|
12
|
|
|
* The temporary logic method. |
|
13
|
|
|
* |
|
14
|
|
|
* @var string |
|
15
|
|
|
*/ |
|
16
|
|
|
protected $tempLogic; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* The temporary logic method. |
|
20
|
|
|
* |
|
21
|
|
|
* @var string |
|
22
|
|
|
*/ |
|
23
|
|
|
protected $tempMethod; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* The temporary logic expected. |
|
27
|
|
|
* |
|
28
|
|
|
* @var string|array |
|
29
|
|
|
*/ |
|
30
|
|
|
protected $tempExpected; |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* The temporary logic field. |
|
34
|
|
|
* |
|
35
|
|
|
* @var string |
|
36
|
|
|
*/ |
|
37
|
|
|
protected $tempField; |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* The temporary results. |
|
41
|
|
|
* |
|
42
|
|
|
* @var array |
|
43
|
|
|
*/ |
|
44
|
|
|
protected $tempResults; |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Decode the logic string into an array of logical statements. |
|
48
|
|
|
* |
|
49
|
|
|
* @return boolean |
|
50
|
|
|
*/ |
|
51
|
|
|
protected function decodeLogicStatements() |
|
52
|
|
|
{ |
|
53
|
|
|
if (!$this->getLogic()) { |
|
54
|
|
|
return true; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
$orStatements = preg_split("/.OR./", $this->getLogic()); |
|
58
|
|
|
|
|
59
|
|
|
foreach ($orStatements as $orKey => $orStatement) { |
|
60
|
|
|
$andStatements = preg_split("/.AND./", $orStatement); |
|
61
|
|
|
|
|
62
|
|
|
foreach ($andStatements as $andStatement) { |
|
63
|
|
|
$items = preg_split("/\./", $andStatement, 2); |
|
64
|
|
|
$decodedStatement = []; |
|
65
|
|
|
|
|
66
|
|
|
foreach ($items as $item) { |
|
67
|
|
|
$matches = null; |
|
68
|
|
|
if (stristr($item, 'where')) { |
|
69
|
|
|
if (!preg_match("/\((?<field>.*)\)/", $item, $matches)) { |
|
70
|
|
|
return false; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
$this->tempField = trim(trim($matches['field'], '\''), '"'); |
|
74
|
|
|
|
|
75
|
|
|
continue; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
if (!preg_match("/^(?<method>[a-zA-Z]{1,})\((?<expected>[\'\"]*.*[\'\"]*)\)/", $item, $matches)) { |
|
79
|
|
|
return false; |
|
80
|
|
|
} else { |
|
81
|
|
|
$this->tempMethod = trim(trim($matches['method'], '\''), '"'); |
|
82
|
|
|
$this->tempExpected = trim(trim($matches['expected'], '\''), '"'); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
if (stristr($this->tempExpected, ',') && !stristr($this->tempExpected, '{') && !stristr($this->tempExpected, '}')) { |
|
86
|
|
|
$this->tempExpected = explode(', ', $this->tempExpected); |
|
87
|
|
|
|
|
88
|
|
|
if (is_array($this->tempExpected)) { |
|
89
|
|
|
foreach ($this->tempExpected as &$expected) { |
|
90
|
|
|
$expected = trim(trim($expected, '\''), '"'); |
|
91
|
|
|
} |
|
92
|
|
|
} |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
if (!is_array($this->tempExpected) && stristr($this->tempExpected, '{') && stristr($this->tempExpected, '}')) { |
|
96
|
|
|
$this->tempExpected = eval(str_replace('{', 'return (', str_replace('}', ');', $this->tempExpected))); |
|
97
|
|
|
} elseif(is_array($this->tempExpected)) { |
|
98
|
|
|
foreach ($this->tempExpected as &$expected) { |
|
99
|
|
|
if (stristr($expected, '{') && stristr($expected, '}')) { |
|
100
|
|
|
$expected = eval(str_replace('{', 'return (', str_replace('}', ');', $expected))); |
|
101
|
|
|
} |
|
102
|
|
|
} |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
$decodedStatement[$orKey]['method'] = $this->tempMethod; |
|
106
|
|
|
$decodedStatement[$orKey]['expected'] = $this->tempExpected; |
|
107
|
|
|
$decodedStatement[$orKey]['field'] = $this->tempField; |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
$this->setDecodedLogicStatement($decodedStatement); |
|
111
|
|
|
} |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
return true; |
|
115
|
|
|
} |
|
116
|
|
|
|
|
117
|
|
|
/** |
|
118
|
|
|
* Execute a logic statement method on an input value against an expected value. |
|
119
|
|
|
* |
|
120
|
|
|
* @param string $method |
|
121
|
|
|
* @param string|integer|boolean $input |
|
122
|
|
|
* @param string|integer|boolean $expected |
|
123
|
|
|
* |
|
124
|
|
|
* @throws LogicalExecutionException |
|
125
|
|
|
* |
|
126
|
|
|
* @return boolean |
|
127
|
|
|
*/ |
|
128
|
|
|
protected function executeLogicStatement($method, $input, $expected = null) |
|
129
|
|
|
{ |
|
130
|
|
|
$logicalStatementInstance = $this->getLogicalStatementInstance(); |
|
131
|
|
|
$result = null; |
|
132
|
|
|
|
|
133
|
|
|
if (method_exists($logicalStatementInstance, $method)) { |
|
134
|
|
|
$result = $logicalStatementInstance->$method($input, $expected); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
if ($logicalStatementInstance->customStatementExists($method)) { |
|
138
|
|
|
$result = $logicalStatementInstance->callCustomStatement($method, $input, $expected); |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
if (is_null($result)) { |
|
142
|
|
|
throw new LogicalExecutionException("Unable to execute logic statement method: {$method}()."); |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
|
|
return $result; |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
/** |
|
149
|
|
|
* Decodes logic input into statements and executes each statement removing un-matching results. |
|
150
|
|
|
* |
|
151
|
|
|
* @throws LogicalDecodingException |
|
152
|
|
|
* @throws LogicalFieldValueException |
|
153
|
|
|
* |
|
154
|
|
|
* @return self |
|
155
|
|
|
*/ |
|
156
|
|
|
public function execute() |
|
157
|
|
|
{ |
|
158
|
|
|
if (!$this->decodeLogicStatements()) { |
|
159
|
|
|
throw new LogicalDecodingException('Unable to decode logic input.'); |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
foreach ($this->getDecodedLogicStatements() as $orStatement) { |
|
163
|
|
|
$this->tempResults = $this->getInput(); |
|
164
|
|
|
|
|
165
|
|
|
foreach ($this->getInput() as $key => $input) { |
|
166
|
|
|
foreach ($orStatement as $andStatement) { |
|
167
|
|
|
switch (gettype($input)) { |
|
168
|
|
|
case 'object': |
|
169
|
|
|
break; |
|
170
|
|
|
case 'array': |
|
171
|
|
|
default: |
|
172
|
|
|
$andStatement['field'] = '[' . $andStatement['field'] . ']'; |
|
173
|
|
|
} |
|
174
|
|
|
|
|
175
|
|
|
try { |
|
176
|
|
|
$value = $this->getPropertyAccessorInstance()->getValue($input, $andStatement['field']); |
|
177
|
|
|
} catch (Exception $exception) { |
|
178
|
|
|
throw new LogicalFieldValueException('Unable to locate logical statement field value.'); |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
if (!isset($value)) { |
|
182
|
|
|
throw new LogicalFieldValueException('Unable to locate logical statement field value.'); |
|
183
|
|
|
} |
|
184
|
|
|
|
|
185
|
|
|
if (!$this->executeLogicStatement($andStatement['method'], $value, $andStatement['expected'])) { |
|
186
|
|
|
unset($this->tempResults[$key]); |
|
187
|
|
|
} |
|
188
|
|
|
} |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
$this->mergeResults($this->tempResults); |
|
192
|
|
|
} |
|
193
|
|
|
|
|
194
|
|
|
return $this; |
|
195
|
|
|
} |
|
196
|
|
|
|
|
197
|
|
|
} |
bradcornford /
Logical
