1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Box\Spout\Reader\XLSX\Manager; |
4
|
|
|
|
5
|
|
|
use Box\Spout\Reader\XLSX\Creator\EntityFactory; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* Class StyleManager |
9
|
|
|
* This class manages XLSX styles |
10
|
|
|
* |
11
|
|
|
* @package Box\Spout\Reader\XLSX\Manager |
12
|
|
|
*/ |
13
|
|
|
class StyleManager |
14
|
|
|
{ |
15
|
|
|
/** Paths of XML files relative to the XLSX file root */ |
16
|
|
|
const STYLES_XML_FILE_PATH = 'xl/styles.xml'; |
17
|
|
|
|
18
|
|
|
/** Nodes used to find relevant information in the styles XML file */ |
19
|
|
|
const XML_NODE_NUM_FMTS = 'numFmts'; |
20
|
|
|
const XML_NODE_NUM_FMT = 'numFmt'; |
21
|
|
|
const XML_NODE_CELL_XFS = 'cellXfs'; |
22
|
|
|
const XML_NODE_XF = 'xf'; |
23
|
|
|
|
24
|
|
|
/** Attributes used to find relevant information in the styles XML file */ |
25
|
|
|
const XML_ATTRIBUTE_NUM_FMT_ID = 'numFmtId'; |
26
|
|
|
const XML_ATTRIBUTE_FORMAT_CODE = 'formatCode'; |
27
|
|
|
const XML_ATTRIBUTE_APPLY_NUMBER_FORMAT = 'applyNumberFormat'; |
28
|
|
|
|
29
|
|
|
/** By convention, default style ID is 0 */ |
30
|
|
|
const DEFAULT_STYLE_ID = 0; |
31
|
|
|
|
32
|
|
|
const NUMBER_FORMAT_GENERAL = 'General'; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* @see https://msdn.microsoft.com/en-us/library/ff529597(v=office.12).aspx |
36
|
|
|
* @var array Mapping between built-in numFmtId and the associated format - for dates only |
37
|
|
|
*/ |
38
|
|
|
protected static $builtinNumFmtIdToNumFormatMapping = [ |
39
|
|
|
14 => 'm/d/yyyy', // @NOTE: ECMA spec is 'mm-dd-yy' |
40
|
|
|
15 => 'd-mmm-yy', |
41
|
|
|
16 => 'd-mmm', |
42
|
|
|
17 => 'mmm-yy', |
43
|
|
|
18 => 'h:mm AM/PM', |
44
|
|
|
19 => 'h:mm:ss AM/PM', |
45
|
|
|
20 => 'h:mm', |
46
|
|
|
21 => 'h:mm:ss', |
47
|
|
|
22 => 'm/d/yyyy h:mm', // @NOTE: ECMA spec is 'm/d/yy h:mm', |
48
|
|
|
45 => 'mm:ss', |
49
|
|
|
46 => '[h]:mm:ss', |
50
|
|
|
47 => 'mm:ss.0', // @NOTE: ECMA spec is 'mmss.0', |
51
|
|
|
]; |
52
|
|
|
|
53
|
|
|
/** @var string Path of the XLSX file being read */ |
54
|
|
|
protected $filePath; |
55
|
|
|
|
56
|
|
|
/** @var EntityFactory Factory to create entities */ |
57
|
|
|
protected $entityFactory; |
58
|
|
|
|
59
|
|
|
/** @var array Array containing the IDs of built-in number formats indicating a date */ |
60
|
|
|
protected $builtinNumFmtIdIndicatingDates; |
61
|
|
|
|
62
|
|
|
/** @var array Array containing a mapping NUM_FMT_ID => FORMAT_CODE */ |
63
|
|
|
protected $customNumberFormats; |
64
|
|
|
|
65
|
|
|
/** @var array Array containing a mapping STYLE_ID => [STYLE_ATTRIBUTES] */ |
66
|
|
|
protected $stylesAttributes; |
67
|
|
|
|
68
|
|
|
/** @var array Cache containing a mapping NUM_FMT_ID => IS_DATE_FORMAT. Used to avoid lots of recalculations */ |
69
|
|
|
protected $numFmtIdToIsDateFormatCache = []; |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* @param string $filePath Path of the XLSX file being read |
73
|
|
|
* @param EntityFactory $entityFactory Factory to create entities |
74
|
|
|
*/ |
75
|
66 |
|
public function __construct($filePath, $entityFactory) |
76
|
|
|
{ |
77
|
66 |
|
$this->filePath = $filePath; |
78
|
66 |
|
$this->entityFactory = $entityFactory; |
79
|
66 |
|
$this->builtinNumFmtIdIndicatingDates = array_keys(self::$builtinNumFmtIdToNumFormatMapping); |
80
|
66 |
|
} |
81
|
|
|
|
82
|
|
|
/** |
83
|
|
|
* Returns whether the style with the given ID should consider |
84
|
|
|
* numeric values as timestamps and format the cell as a date. |
85
|
|
|
* |
86
|
|
|
* @param int $styleId Zero-based style ID |
87
|
|
|
* @return bool Whether the cell with the given cell should display a date instead of a numeric value |
88
|
|
|
*/ |
89
|
43 |
|
public function shouldFormatNumericValueAsDate($styleId) |
90
|
|
|
{ |
91
|
43 |
|
$stylesAttributes = $this->getStylesAttributes(); |
92
|
|
|
|
93
|
|
|
// Default style (0) does not format numeric values as timestamps. Only custom styles do. |
94
|
|
|
// Also if the style ID does not exist in the styles.xml file, format as numeric value. |
95
|
|
|
// Using isset here because it is way faster than array_key_exists... |
96
|
43 |
|
if ($styleId === self::DEFAULT_STYLE_ID || !isset($stylesAttributes[$styleId])) { |
97
|
6 |
|
return false; |
98
|
|
|
} |
99
|
|
|
|
100
|
37 |
|
$styleAttributes = $stylesAttributes[$styleId]; |
101
|
|
|
|
102
|
37 |
|
return $this->doesStyleIndicateDate($styleAttributes); |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
/** |
106
|
|
|
* Reads the styles.xml file and extract the relevant information from the file. |
107
|
|
|
* |
108
|
|
|
* @return void |
109
|
|
|
*/ |
110
|
10 |
|
protected function extractRelevantInfo() |
111
|
|
|
{ |
112
|
10 |
|
$this->customNumberFormats = []; |
113
|
10 |
|
$this->stylesAttributes = []; |
114
|
|
|
|
115
|
10 |
|
$xmlReader = $this->entityFactory->createXMLReader(); |
116
|
|
|
|
117
|
10 |
|
if ($xmlReader->openFileInZip($this->filePath, self::STYLES_XML_FILE_PATH)) { |
118
|
10 |
|
while ($xmlReader->read()) { |
119
|
10 |
|
if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_NUM_FMTS)) { |
120
|
7 |
|
$this->extractNumberFormats($xmlReader); |
121
|
|
|
|
122
|
10 |
|
} else if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_CELL_XFS)) { |
123
|
10 |
|
$this->extractStyleAttributes($xmlReader); |
124
|
|
|
} |
125
|
|
|
} |
126
|
|
|
|
127
|
10 |
|
$xmlReader->close(); |
128
|
|
|
} |
129
|
10 |
|
} |
130
|
|
|
|
131
|
|
|
/** |
132
|
|
|
* Extracts number formats from the "numFmt" nodes. |
133
|
|
|
* For simplicity, the styles attributes are kept in memory. This is possible thanks |
134
|
|
|
* to the reuse of formats. So 1 million cells should not use 1 million formats. |
135
|
|
|
* |
136
|
|
|
* @param \Box\Spout\Reader\Wrapper\XMLReader $xmlReader XML Reader positioned on the "numFmts" node |
137
|
|
|
* @return void |
138
|
|
|
*/ |
139
|
7 |
|
protected function extractNumberFormats($xmlReader) |
140
|
|
|
{ |
141
|
7 |
|
while ($xmlReader->read()) { |
142
|
7 |
|
if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_NUM_FMT)) { |
143
|
7 |
|
$numFmtId = intval($xmlReader->getAttribute(self::XML_ATTRIBUTE_NUM_FMT_ID)); |
144
|
7 |
|
$formatCode = $xmlReader->getAttribute(self::XML_ATTRIBUTE_FORMAT_CODE); |
145
|
7 |
|
$this->customNumberFormats[$numFmtId] = $formatCode; |
146
|
7 |
|
} else if ($xmlReader->isPositionedOnEndingNode(self::XML_NODE_NUM_FMTS)) { |
147
|
|
|
// Once done reading "numFmts" node's children |
148
|
7 |
|
break; |
149
|
|
|
} |
150
|
|
|
} |
151
|
7 |
|
} |
152
|
|
|
|
153
|
|
|
/** |
154
|
|
|
* Extracts style attributes from the "xf" nodes, inside the "cellXfs" section. |
155
|
|
|
* For simplicity, the styles attributes are kept in memory. This is possible thanks |
156
|
|
|
* to the reuse of styles. So 1 million cells should not use 1 million styles. |
157
|
|
|
* |
158
|
|
|
* @param \Box\Spout\Reader\Wrapper\XMLReader $xmlReader XML Reader positioned on the "cellXfs" node |
159
|
|
|
* @return void |
160
|
|
|
*/ |
161
|
10 |
|
protected function extractStyleAttributes($xmlReader) |
162
|
|
|
{ |
163
|
10 |
|
while ($xmlReader->read()) { |
164
|
10 |
|
if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_XF)) { |
165
|
10 |
|
$numFmtId = $xmlReader->getAttribute(self::XML_ATTRIBUTE_NUM_FMT_ID); |
166
|
10 |
|
$normalizedNumFmtId = ($numFmtId !== null) ? intval($numFmtId) : null; |
167
|
|
|
|
168
|
10 |
|
$applyNumberFormat = $xmlReader->getAttribute(self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT); |
169
|
10 |
|
$normalizedApplyNumberFormat = ($applyNumberFormat !== null) ? !!$applyNumberFormat : null; |
170
|
|
|
|
171
|
10 |
|
$this->stylesAttributes[] = [ |
172
|
10 |
|
self::XML_ATTRIBUTE_NUM_FMT_ID => $normalizedNumFmtId, |
173
|
10 |
|
self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT => $normalizedApplyNumberFormat, |
174
|
|
|
]; |
175
|
10 |
|
} else if ($xmlReader->isPositionedOnEndingNode(self::XML_NODE_CELL_XFS)) { |
176
|
|
|
// Once done reading "cellXfs" node's children |
177
|
10 |
|
break; |
178
|
|
|
} |
179
|
|
|
} |
180
|
10 |
|
} |
181
|
|
|
|
182
|
|
|
/** |
183
|
|
|
* @return array The custom number formats |
184
|
|
|
*/ |
185
|
5 |
|
protected function getCustomNumberFormats() |
186
|
|
|
{ |
187
|
5 |
|
if (!isset($this->customNumberFormats)) { |
188
|
|
|
$this->extractRelevantInfo(); |
189
|
|
|
} |
190
|
|
|
|
191
|
5 |
|
return $this->customNumberFormats; |
192
|
|
|
} |
193
|
|
|
|
194
|
|
|
/** |
195
|
|
|
* @return array The styles attributes |
196
|
|
|
*/ |
197
|
10 |
|
protected function getStylesAttributes() |
198
|
|
|
{ |
199
|
10 |
|
if (!isset($this->stylesAttributes)) { |
200
|
10 |
|
$this->extractRelevantInfo(); |
201
|
|
|
} |
202
|
|
|
|
203
|
10 |
|
return $this->stylesAttributes; |
204
|
|
|
} |
205
|
|
|
|
206
|
|
|
/** |
207
|
|
|
* @param array $styleAttributes Array containing the style attributes (2 keys: "applyNumberFormat" and "numFmtId") |
208
|
|
|
* @return bool Whether the style with the given attributes indicates that the number is a date |
209
|
|
|
*/ |
210
|
37 |
|
protected function doesStyleIndicateDate($styleAttributes) |
211
|
|
|
{ |
212
|
37 |
|
$applyNumberFormat = $styleAttributes[self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT]; |
213
|
37 |
|
$numFmtId = $styleAttributes[self::XML_ATTRIBUTE_NUM_FMT_ID]; |
214
|
|
|
|
215
|
|
|
// A style may apply a date format if it has: |
216
|
|
|
// - "applyNumberFormat" attribute not set to "false" |
217
|
|
|
// - "numFmtId" attribute set |
218
|
|
|
// This is a preliminary check, as having "numFmtId" set just means the style should apply a specific number format, |
219
|
|
|
// but this is not necessarily a date. |
220
|
37 |
|
if ($applyNumberFormat === false || $numFmtId === null) { |
221
|
2 |
|
return false; |
222
|
|
|
} |
223
|
|
|
|
224
|
35 |
|
return $this->doesNumFmtIdIndicateDate($numFmtId); |
225
|
|
|
} |
226
|
|
|
|
227
|
|
|
/** |
228
|
|
|
* Returns whether the number format ID indicates that the number is a date. |
229
|
|
|
* The result is cached to avoid recomputing the same thing over and over, as |
230
|
|
|
* "numFmtId" attributes can be shared between multiple styles. |
231
|
|
|
* |
232
|
|
|
* @param int $numFmtId |
233
|
|
|
* @return bool Whether the number format ID indicates that the number is a date |
234
|
|
|
*/ |
235
|
35 |
|
protected function doesNumFmtIdIndicateDate($numFmtId) |
236
|
|
|
{ |
237
|
35 |
|
if (!isset($this->numFmtIdToIsDateFormatCache[$numFmtId])) { |
238
|
35 |
|
$formatCode = $this->getFormatCodeForNumFmtId($numFmtId); |
239
|
|
|
|
240
|
35 |
|
$this->numFmtIdToIsDateFormatCache[$numFmtId] = ( |
241
|
35 |
|
$this->isNumFmtIdBuiltInDateFormat($numFmtId) || |
242
|
33 |
|
$this->isFormatCodeCustomDateFormat($formatCode) |
243
|
|
|
); |
244
|
|
|
} |
245
|
|
|
|
246
|
35 |
|
return $this->numFmtIdToIsDateFormatCache[$numFmtId]; |
247
|
|
|
} |
248
|
|
|
|
249
|
|
|
/** |
250
|
|
|
* @param int $numFmtId |
251
|
|
|
* @return string|null The custom number format or NULL if none defined for the given numFmtId |
252
|
|
|
*/ |
253
|
35 |
|
protected function getFormatCodeForNumFmtId($numFmtId) |
254
|
|
|
{ |
255
|
35 |
|
$customNumberFormats = $this->getCustomNumberFormats(); |
256
|
|
|
|
257
|
|
|
// Using isset here because it is way faster than array_key_exists... |
258
|
35 |
|
return (isset($customNumberFormats[$numFmtId])) ? $customNumberFormats[$numFmtId] : null; |
259
|
|
|
} |
260
|
|
|
|
261
|
|
|
/** |
262
|
|
|
* @param int $numFmtId |
263
|
|
|
* @return bool Whether the number format ID indicates that the number is a date |
264
|
|
|
*/ |
265
|
35 |
|
protected function isNumFmtIdBuiltInDateFormat($numFmtId) |
266
|
|
|
{ |
267
|
35 |
|
return in_array($numFmtId, $this->builtinNumFmtIdIndicatingDates); |
268
|
|
|
} |
269
|
|
|
|
270
|
|
|
/** |
271
|
|
|
* @param string|null $formatCode |
272
|
|
|
* @return bool Whether the given format code indicates that the number is a date |
273
|
|
|
*/ |
274
|
33 |
|
protected function isFormatCodeCustomDateFormat($formatCode) |
275
|
|
|
{ |
276
|
|
|
// if no associated format code or if using the default "General" format |
277
|
33 |
|
if ($formatCode === null || strcasecmp($formatCode, self::NUMBER_FORMAT_GENERAL) === 0) { |
278
|
7 |
|
return false; |
279
|
|
|
} |
280
|
|
|
|
281
|
27 |
|
return $this->isFormatCodeMatchingDateFormatPattern($formatCode); |
282
|
|
|
} |
283
|
|
|
|
284
|
|
|
/** |
285
|
|
|
* @param string $formatCode |
286
|
|
|
* @return bool Whether the given format code matches a date format pattern |
287
|
|
|
*/ |
288
|
27 |
|
protected function isFormatCodeMatchingDateFormatPattern($formatCode) |
289
|
|
|
{ |
290
|
|
|
// Remove extra formatting (what's between [ ], the brackets should not be preceded by a "\") |
291
|
27 |
|
$pattern = '((?<!\\\)\[.+?(?<!\\\)\])'; |
292
|
27 |
|
$formatCode = preg_replace($pattern, '', $formatCode); |
293
|
|
|
|
294
|
|
|
// custom date formats contain specific characters to represent the date: |
295
|
|
|
// e - yy - m - d - h - s |
296
|
|
|
// and all of their variants (yyyy - mm - dd...) |
297
|
27 |
|
$dateFormatCharacters = ['e', 'yy', 'm', 'd', 'h', 's']; |
298
|
|
|
|
299
|
27 |
|
$hasFoundDateFormatCharacter = false; |
300
|
27 |
|
foreach ($dateFormatCharacters as $dateFormatCharacter) { |
301
|
|
|
// character not preceded by "\" (case insensitive) |
302
|
27 |
|
$pattern = '/(?<!\\\)' . $dateFormatCharacter . '/i'; |
303
|
|
|
|
304
|
27 |
|
if (preg_match($pattern, $formatCode)) { |
305
|
25 |
|
$hasFoundDateFormatCharacter = true; |
306
|
27 |
|
break; |
307
|
|
|
} |
308
|
|
|
} |
309
|
|
|
|
310
|
27 |
|
return $hasFoundDateFormatCharacter; |
311
|
|
|
} |
312
|
|
|
|
313
|
|
|
/** |
314
|
|
|
* Returns the format as defined in "styles.xml" of the given style. |
315
|
|
|
* NOTE: It is assumed that the style DOES have a number format associated to it. |
316
|
|
|
* |
317
|
|
|
* @param int $styleId Zero-based style ID |
318
|
|
|
* @return string The number format code associated with the given style |
319
|
|
|
*/ |
320
|
2 |
|
public function getNumberFormatCode($styleId) |
321
|
|
|
{ |
322
|
2 |
|
$stylesAttributes = $this->getStylesAttributes(); |
323
|
2 |
|
$styleAttributes = $stylesAttributes[$styleId]; |
324
|
2 |
|
$numFmtId = $styleAttributes[self::XML_ATTRIBUTE_NUM_FMT_ID]; |
325
|
|
|
|
326
|
2 |
|
if ($this->isNumFmtIdBuiltInDateFormat($numFmtId)) { |
327
|
1 |
|
$numberFormatCode = self::$builtinNumFmtIdToNumFormatMapping[$numFmtId]; |
328
|
|
|
} else { |
329
|
2 |
|
$customNumberFormats = $this->getCustomNumberFormats(); |
330
|
2 |
|
$numberFormatCode = $customNumberFormats[$numFmtId]; |
331
|
|
|
} |
332
|
|
|
|
333
|
2 |
|
return $numberFormatCode; |
334
|
|
|
} |
335
|
|
|
} |
336
|
|
|
|