1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* File containing the {@see Mailcode_Collection} class. |
4
|
|
|
* |
5
|
|
|
* @package Mailcode |
6
|
|
|
* @subpackage Collection |
7
|
|
|
* @see Mailcode_Collection |
8
|
|
|
*/ |
9
|
|
|
|
10
|
|
|
declare(strict_types=1); |
11
|
|
|
|
12
|
|
|
namespace Mailcode; |
13
|
|
|
|
14
|
|
|
use AppUtils\OperationResult; |
15
|
|
|
|
16
|
|
|
/** |
17
|
|
|
* Commands collection: container for commands. |
18
|
|
|
* |
19
|
|
|
* @package Mailcode |
20
|
|
|
* @subpackage Collection |
21
|
|
|
* @author Sebastian Mordziol <[email protected]> |
22
|
|
|
*/ |
23
|
|
|
class Mailcode_Collection |
24
|
|
|
{ |
25
|
|
|
const ERROR_CANNOT_RETRIEVE_FIRST_ERROR = 52301; |
26
|
|
|
const ERROR_CANNOT_MODIFY_FINALIZED = 52302; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* @var Mailcode_Commands_Command[] |
30
|
|
|
*/ |
31
|
|
|
protected $commands = array(); |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* @var Mailcode_Collection_Error[] |
35
|
|
|
*/ |
36
|
|
|
protected $errors = array(); |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @var OperationResult|NULL |
40
|
|
|
*/ |
41
|
|
|
protected $validationResult; |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* @var bool |
45
|
|
|
*/ |
46
|
|
|
private $finalized = false; |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* @var bool |
50
|
|
|
*/ |
51
|
|
|
private $validating = false; |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* Adds a command to the collection. |
55
|
|
|
* |
56
|
|
|
* @param Mailcode_Commands_Command $command |
57
|
|
|
* @return Mailcode_Collection |
58
|
|
|
* @throws Mailcode_Exception |
59
|
|
|
*/ |
60
|
|
|
public function addCommand(Mailcode_Commands_Command $command) : Mailcode_Collection |
61
|
|
|
{ |
62
|
|
|
if($this->finalized) |
63
|
|
|
{ |
64
|
|
|
throw new Mailcode_Exception( |
65
|
|
|
'Cannot add commands to a finalized collection', |
66
|
|
|
'When a collection has been finalized, it may not be modified anymore.', |
67
|
|
|
self::ERROR_CANNOT_MODIFY_FINALIZED |
68
|
|
|
); |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
$this->commands[] = $command; |
72
|
|
|
|
73
|
|
|
// reset the collection's validation result, since it |
74
|
|
|
// depends on the commands. |
75
|
|
|
$this->validationResult = null; |
76
|
|
|
|
77
|
|
|
return $this; |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* Whether there are any commands in the collection. |
82
|
|
|
* |
83
|
|
|
* @return bool |
84
|
|
|
*/ |
85
|
|
|
public function hasCommands() : bool |
86
|
|
|
{ |
87
|
|
|
return !empty($this->commands); |
88
|
|
|
} |
89
|
|
|
|
90
|
|
|
/** |
91
|
|
|
* Counts the amount of commands in the collection. |
92
|
|
|
* |
93
|
|
|
* @return int |
94
|
|
|
*/ |
95
|
|
|
public function countCommands() : int |
96
|
|
|
{ |
97
|
|
|
return count($this->commands); |
98
|
|
|
} |
99
|
|
|
|
100
|
|
|
public function addErrorMessage(string $matchedText, string $message, int $code) : void |
101
|
|
|
{ |
102
|
|
|
$this->errors[] = new Mailcode_Collection_Error_Message( |
103
|
|
|
$matchedText, |
104
|
|
|
$code, |
105
|
|
|
$message |
106
|
|
|
); |
107
|
|
|
} |
108
|
|
|
|
109
|
|
|
public function addInvalidCommand(Mailcode_Commands_Command $command) : void |
110
|
|
|
{ |
111
|
|
|
// Remove the command in case it was already added |
112
|
|
|
$this->removeCommand($command); |
113
|
|
|
|
114
|
|
|
$this->errors[] = new Mailcode_Collection_Error_Command($command); |
115
|
|
|
} |
116
|
|
|
|
117
|
|
|
public function removeCommand(Mailcode_Commands_Command $command) : void |
118
|
|
|
{ |
119
|
|
|
$keep = array(); |
120
|
|
|
|
121
|
|
|
foreach($this->commands as $existing) |
122
|
|
|
{ |
123
|
|
|
if($existing !== $command) |
124
|
|
|
{ |
125
|
|
|
$keep[] = $existing; |
126
|
|
|
} |
127
|
|
|
} |
128
|
|
|
|
129
|
|
|
$this->commands = $keep; |
130
|
|
|
} |
131
|
|
|
|
132
|
|
|
/** |
133
|
|
|
* @return Mailcode_Collection_Error[] |
134
|
|
|
*/ |
135
|
|
|
public function getErrors() |
136
|
|
|
{ |
137
|
|
|
$result = $this->getValidationResult(); |
138
|
|
|
|
139
|
|
|
$errors = $this->errors; |
140
|
|
|
|
141
|
|
|
if(!$result->isValid()) |
142
|
|
|
{ |
143
|
|
|
$errors[] = new Mailcode_Collection_Error_Message( |
144
|
|
|
'', |
145
|
|
|
$result->getCode(), |
146
|
|
|
$result->getErrorMessage() |
147
|
|
|
); |
148
|
|
|
} |
149
|
|
|
|
150
|
|
|
return $errors; |
151
|
|
|
} |
152
|
|
|
|
153
|
|
|
public function getFirstError() : Mailcode_Collection_Error |
154
|
|
|
{ |
155
|
|
|
$errors = $this->getErrors(); |
156
|
|
|
|
157
|
|
|
if(!empty($errors)) |
158
|
|
|
{ |
159
|
|
|
return array_shift($errors); |
160
|
|
|
} |
161
|
|
|
|
162
|
|
|
throw new Mailcode_Exception( |
163
|
|
|
'Cannot retrieve first error: no errors detected', |
164
|
|
|
null, |
165
|
|
|
self::ERROR_CANNOT_RETRIEVE_FIRST_ERROR |
166
|
|
|
); |
167
|
|
|
} |
168
|
|
|
|
169
|
|
|
public function isValid() : bool |
170
|
|
|
{ |
171
|
|
|
$errors = $this->getErrors(); |
172
|
|
|
|
173
|
|
|
return empty($errors); |
174
|
|
|
} |
175
|
|
|
|
176
|
|
|
/** |
177
|
|
|
* Retrieves all commands that were detected, in the exact order |
178
|
|
|
* they were found. |
179
|
|
|
* |
180
|
|
|
* @return Mailcode_Commands_Command[] |
181
|
|
|
*/ |
182
|
|
|
public function getCommands() |
183
|
|
|
{ |
184
|
|
|
$this->validate(); |
185
|
|
|
|
186
|
|
|
return $this->commands; |
187
|
|
|
} |
188
|
|
|
|
189
|
|
|
/** |
190
|
|
|
* Retrieves all unique commands by their matched |
191
|
|
|
* string hash: this ensures only commands that were |
192
|
|
|
* written the exact same way (including spacing) |
193
|
|
|
* are returned. |
194
|
|
|
* |
195
|
|
|
* @return Mailcode_Commands_Command[] |
196
|
|
|
* @throws Mailcode_Exception |
197
|
|
|
*/ |
198
|
|
|
public function getGroupedByHash() : array |
199
|
|
|
{ |
200
|
|
|
$this->validate(); |
201
|
|
|
|
202
|
|
|
$hashes = array(); |
203
|
|
|
|
204
|
|
|
foreach($this->commands as $command) |
205
|
|
|
{ |
206
|
|
|
$hash = $command->getHash(); |
207
|
|
|
|
208
|
|
|
if(!isset($hashes[$hash])) |
209
|
|
|
{ |
210
|
|
|
$hashes[$hash] = $command; |
211
|
|
|
} |
212
|
|
|
} |
213
|
|
|
|
214
|
|
|
return array_values($hashes); |
215
|
|
|
} |
216
|
|
|
|
217
|
|
|
/** |
218
|
|
|
* Adds several commands at once. |
219
|
|
|
* |
220
|
|
|
* @param Mailcode_Commands_Command[] $commands |
221
|
|
|
* @return Mailcode_Collection |
222
|
|
|
* @throws Mailcode_Exception |
223
|
|
|
*/ |
224
|
|
|
public function addCommands(array $commands) : Mailcode_Collection |
225
|
|
|
{ |
226
|
|
|
foreach($commands as $command) |
227
|
|
|
{ |
228
|
|
|
$this->addCommand($command); |
229
|
|
|
} |
230
|
|
|
|
231
|
|
|
return $this; |
232
|
|
|
} |
233
|
|
|
|
234
|
|
|
public function mergeWith(Mailcode_Collection $collection) : Mailcode_Collection |
235
|
|
|
{ |
236
|
|
|
$merged = new Mailcode_Collection(); |
237
|
|
|
$merged->addCommands($this->getCommands()); |
238
|
|
|
$merged->addCommands($collection->getCommands()); |
239
|
|
|
|
240
|
|
|
return $merged; |
241
|
|
|
} |
242
|
|
|
|
243
|
|
|
public function getVariables() : Mailcode_Variables_Collection |
244
|
|
|
{ |
245
|
|
|
$this->validate(); |
246
|
|
|
|
247
|
|
|
$collection = new Mailcode_Variables_Collection_Regular(); |
248
|
|
|
|
249
|
|
|
foreach($this->commands as $command) |
250
|
|
|
{ |
251
|
|
|
$collection->mergeWith($command->getVariables()); |
252
|
|
|
} |
253
|
|
|
|
254
|
|
|
return $collection; |
255
|
|
|
} |
256
|
|
|
|
257
|
|
|
/** |
258
|
|
|
* Whether the collection has been validated yet. This is used |
259
|
|
|
* primarily in the test suites. |
260
|
|
|
* |
261
|
|
|
* @return bool |
262
|
|
|
*/ |
263
|
|
|
public function hasBeenValidated() : bool |
264
|
|
|
{ |
265
|
|
|
return isset($this->validationResult); |
266
|
|
|
} |
267
|
|
|
|
268
|
|
|
public function getValidationResult() : OperationResult |
269
|
|
|
{ |
270
|
|
|
$this->validate(); |
271
|
|
|
|
272
|
|
|
return $this->validationResult; |
|
|
|
|
273
|
|
|
} |
274
|
|
|
|
275
|
|
|
private function validate() : void |
276
|
|
|
{ |
277
|
|
|
if(isset($this->validationResult) || $this->validating) |
278
|
|
|
{ |
279
|
|
|
return; |
280
|
|
|
} |
281
|
|
|
|
282
|
|
|
// The nesting validator calls the getCommands() method, which |
283
|
|
|
// creates a circular call, since that calls validate(). To |
284
|
|
|
// avoid this issue, we use the validating flag. |
285
|
|
|
$this->validating = true; |
286
|
|
|
|
287
|
|
|
$nesting = new Mailcode_Collection_NestingValidator($this); |
288
|
|
|
$this->validationResult = $nesting->validate(); |
289
|
|
|
|
290
|
|
|
$this->validating = false; |
291
|
|
|
} |
292
|
|
|
|
293
|
|
|
public function hasErrorCode(int $code) : bool |
294
|
|
|
{ |
295
|
|
|
$errors = $this->getErrors(); |
296
|
|
|
|
297
|
|
|
foreach($errors as $error) |
298
|
|
|
{ |
299
|
|
|
if($error->getCode() === $code) |
300
|
|
|
{ |
301
|
|
|
return true; |
302
|
|
|
} |
303
|
|
|
} |
304
|
|
|
|
305
|
|
|
return false; |
306
|
|
|
} |
307
|
|
|
|
308
|
|
|
/** |
309
|
|
|
* Retrieves only ShowXXX commands in the collection, if any. |
310
|
|
|
* Includes ShowVariable, ShowDate, ShowNumber, ShowSnippet. |
311
|
|
|
* |
312
|
|
|
* @return Mailcode_Commands_ShowBase[] |
313
|
|
|
*/ |
314
|
|
|
public function getShowCommands(): array |
315
|
|
|
{ |
316
|
|
|
return $this->getCommandsByClass(Mailcode_Commands_ShowBase::class); |
317
|
|
|
} |
318
|
|
|
|
319
|
|
|
/** |
320
|
|
|
* Retrieves all commands that implement the ListVariables interface, |
321
|
|
|
* meaning that they use list variables. |
322
|
|
|
* |
323
|
|
|
* @return Mailcode_Interfaces_Commands_ListVariables[] |
324
|
|
|
* @see Mailcode_Interfaces_Commands_ListVariables |
325
|
|
|
*/ |
326
|
|
|
public function getListVariableCommands() : array |
327
|
|
|
{ |
328
|
|
|
return $this->getCommandsByClass(Mailcode_Interfaces_Commands_ListVariables::class); |
|
|
|
|
329
|
|
|
} |
330
|
|
|
|
331
|
|
|
/** |
332
|
|
|
* Retrieves only show variable commands in the collection, if any. |
333
|
|
|
* |
334
|
|
|
* @return Mailcode_Commands_Command_ShowVariable[] |
335
|
|
|
*/ |
336
|
|
|
public function getShowVariableCommands(): array |
337
|
|
|
{ |
338
|
|
|
return $this->getCommandsByClass(Mailcode_Commands_Command_ShowVariable::class); |
339
|
|
|
} |
340
|
|
|
|
341
|
|
|
/** |
342
|
|
|
* @return Mailcode_Commands_Command_For[] |
343
|
|
|
*/ |
344
|
|
|
public function getForCommands() |
345
|
|
|
{ |
346
|
|
|
return $this->getCommandsByClass(Mailcode_Commands_Command_For::class); |
347
|
|
|
} |
348
|
|
|
|
349
|
|
|
/** |
350
|
|
|
* Retrieves only show date commands in the collection, if any. |
351
|
|
|
* |
352
|
|
|
* @return Mailcode_Commands_Command_ShowDate[] |
353
|
|
|
*/ |
354
|
|
|
public function getShowDateCommands() : array |
355
|
|
|
{ |
356
|
|
|
return $this->getCommandsByClass(Mailcode_Commands_Command_ShowDate::class); |
357
|
|
|
} |
358
|
|
|
|
359
|
|
|
/** |
360
|
|
|
* @param string $className |
361
|
|
|
* @return Mailcode_Commands_Command[] |
362
|
|
|
*/ |
363
|
|
|
public function getCommandsByClass(string $className) : array |
364
|
|
|
{ |
365
|
|
|
$result = array(); |
366
|
|
|
|
367
|
|
|
foreach($this->commands as $command) |
368
|
|
|
{ |
369
|
|
|
if($command instanceof $className) |
370
|
|
|
{ |
371
|
|
|
$result[] = $command; |
372
|
|
|
} |
373
|
|
|
} |
374
|
|
|
|
375
|
|
|
return $result; |
376
|
|
|
} |
377
|
|
|
|
378
|
|
|
public function getFirstCommand() : ?Mailcode_Commands_Command |
379
|
|
|
{ |
380
|
|
|
$commands = $this->getCommands(); |
381
|
|
|
|
382
|
|
|
if(!empty($commands)) |
383
|
|
|
{ |
384
|
|
|
return array_shift($commands); |
385
|
|
|
} |
386
|
|
|
|
387
|
|
|
return null; |
388
|
|
|
} |
389
|
|
|
|
390
|
|
|
public function finalize() : void |
391
|
|
|
{ |
392
|
|
|
$this->finalized = true; |
393
|
|
|
|
394
|
|
|
$this->validateNesting(); |
395
|
|
|
} |
396
|
|
|
|
397
|
|
|
public function isFinalized() : bool |
398
|
|
|
{ |
399
|
|
|
return $this->finalized; |
400
|
|
|
} |
401
|
|
|
|
402
|
|
|
private function validateNesting() : void |
403
|
|
|
{ |
404
|
|
|
foreach($this->commands as $command) |
405
|
|
|
{ |
406
|
|
|
$command->validateNesting(); |
407
|
|
|
|
408
|
|
|
if(!$command->isValid()) { |
409
|
|
|
$this->addInvalidCommand($command); |
410
|
|
|
} |
411
|
|
|
} |
412
|
|
|
} |
413
|
|
|
} |
414
|
|
|
|