StyleManager::isFormatCodeMatchingDateFormatPattern() - Code Metrics - Inspection of "Add docs to gitattrs" - box/spout - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#557)

by Adrien

created 2018-06-03 19:08 UTC

isFormatCodeMatchingDateFormatPattern() B

↳ Parent: StyleManager

Complexity

Conditions	3
Paths	3

Size

Total Lines	24
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	24
ccs	11
cts	11
cp	1
rs	8.9713
c	0
b	0
f	0
cc	3
eloc	11
nc	3
nop	1
crap	3

<?php

namespace Box\Spout\Reader\XLSX\Manager;

use Box\Spout\Reader\XLSX\Creator\InternalEntityFactory;

/**
 * Class StyleManager
 * This class manages XLSX styles
 */
class StyleManager
{
    /** Nodes used to find relevant information in the styles XML file */
    const XML_NODE_NUM_FMTS = 'numFmts';
    const XML_NODE_NUM_FMT = 'numFmt';
    const XML_NODE_CELL_XFS = 'cellXfs';
    const XML_NODE_XF = 'xf';

    /** Attributes used to find relevant information in the styles XML file */
    const XML_ATTRIBUTE_NUM_FMT_ID = 'numFmtId';
    const XML_ATTRIBUTE_FORMAT_CODE = 'formatCode';
    const XML_ATTRIBUTE_APPLY_NUMBER_FORMAT = 'applyNumberFormat';

    /** By convention, default style ID is 0 */
    const DEFAULT_STYLE_ID = 0;

    const NUMBER_FORMAT_GENERAL = 'General';

    /**
     * @see https://msdn.microsoft.com/en-us/library/ff529597(v=office.12).aspx
     * @var array Mapping between built-in numFmtId and the associated format - for dates only
     */
    protected static $builtinNumFmtIdToNumFormatMapping = [
        14 => 'm/d/yyyy', // @NOTE: ECMA spec is 'mm-dd-yy'
        15 => 'd-mmm-yy',
        16 => 'd-mmm',
        17 => 'mmm-yy',
        18 => 'h:mm AM/PM',
        19 => 'h:mm:ss AM/PM',
        20 => 'h:mm',
        21 => 'h:mm:ss',
        22 => 'm/d/yyyy h:mm', // @NOTE: ECMA spec is 'm/d/yy h:mm',
        45 => 'mm:ss',
        46 => '[h]:mm:ss',
        47 => 'mm:ss.0',  // @NOTE: ECMA spec is 'mmss.0',
    ];

    /** @var string Path of the XLSX file being read */
    protected $filePath;

    /** @var string Path of the styles XML file */
    protected $stylesXMLFilePath;

    /** @var InternalEntityFactory Factory to create entities */
    protected $entityFactory;

    /** @var array Array containing the IDs of built-in number formats indicating a date */
    protected $builtinNumFmtIdIndicatingDates;

    /** @var array Array containing a mapping NUM_FMT_ID => FORMAT_CODE */
    protected $customNumberFormats;

    /** @var array Array containing a mapping STYLE_ID => [STYLE_ATTRIBUTES] */
    protected $stylesAttributes;

    /** @var array Cache containing a mapping NUM_FMT_ID => IS_DATE_FORMAT. Used to avoid lots of recalculations */
    protected $numFmtIdToIsDateFormatCache = [];

    /**
     * @param string $filePath Path of the XLSX file being read
     * @param WorkbookRelationshipsManager $workbookRelationshipsManager Helps retrieving workbook relationships
     * @param InternalEntityFactory $entityFactory Factory to create entities
     */
    public function __construct($filePath, $workbookRelationshipsManager, $entityFactory)
    {
        $this->filePath = $filePath;
        $this->entityFactory = $entityFactory;
        $this->builtinNumFmtIdIndicatingDates = array_keys(self::$builtinNumFmtIdToNumFormatMapping);
        $this->stylesXMLFilePath = $workbookRelationshipsManager->getStylesXMLFilePath();
    }

    /**
     * Returns whether the style with the given ID should consider
     * numeric values as timestamps and format the cell as a date.
     *
     * @param int $styleId Zero-based style ID
     * @return bool Whether the cell with the given cell should display a date instead of a numeric value
     */
    public function shouldFormatNumericValueAsDate($styleId)
    {
        $stylesAttributes = $this->getStylesAttributes();

        // Default style (0) does not format numeric values as timestamps. Only custom styles do.
        // Also if the style ID does not exist in the styles.xml file, format as numeric value.
        // Using isset here because it is way faster than array_key_exists...
        if ($styleId === self::DEFAULT_STYLE_ID || !isset($stylesAttributes[$styleId])) {
            return false;
        }

        $styleAttributes = $stylesAttributes[$styleId];

        return $this->doesStyleIndicateDate($styleAttributes);
    }

    /**
     * Reads the styles.xml file and extract the relevant information from the file.
     *
     * @return void
     */
    protected function extractRelevantInfo()
    {
        $this->customNumberFormats = [];
        $this->stylesAttributes = [];

        $xmlReader = $this->entityFactory->createXMLReader();

        if ($xmlReader->openFileInZip($this->filePath, $this->stylesXMLFilePath)) {
            while ($xmlReader->read()) {
                if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_NUM_FMTS)) {
                    $this->extractNumberFormats($xmlReader);
                } elseif ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_CELL_XFS)) {
                    $this->extractStyleAttributes($xmlReader);
                }
            }

            $xmlReader->close();
        }
    }

    /**
     * Extracts number formats from the "numFmt" nodes.
     * For simplicity, the styles attributes are kept in memory. This is possible thanks
     * to the reuse of formats. So 1 million cells should not use 1 million formats.
     *
     * @param \Box\Spout\Reader\Wrapper\XMLReader $xmlReader XML Reader positioned on the "numFmts" node
     * @return void
     */
    protected function extractNumberFormats($xmlReader)
    {
        while ($xmlReader->read()) {
            if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_NUM_FMT)) {
                $numFmtId = (int) ($xmlReader->getAttribute(self::XML_ATTRIBUTE_NUM_FMT_ID));
                $formatCode = $xmlReader->getAttribute(self::XML_ATTRIBUTE_FORMAT_CODE);
                $this->customNumberFormats[$numFmtId] = $formatCode;
            } elseif ($xmlReader->isPositionedOnEndingNode(self::XML_NODE_NUM_FMTS)) {
                // Once done reading "numFmts" node's children
                break;
            }
        }
    }

    /**
     * Extracts style attributes from the "xf" nodes, inside the "cellXfs" section.
     * For simplicity, the styles attributes are kept in memory. This is possible thanks
     * to the reuse of styles. So 1 million cells should not use 1 million styles.
     *
     * @param \Box\Spout\Reader\Wrapper\XMLReader $xmlReader XML Reader positioned on the "cellXfs" node
     * @return void
     */
    protected function extractStyleAttributes($xmlReader)
    {
        while ($xmlReader->read()) {
            if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_XF)) {
                $numFmtId = $xmlReader->getAttribute(self::XML_ATTRIBUTE_NUM_FMT_ID);
                $normalizedNumFmtId = ($numFmtId !== null) ? (int) $numFmtId : null;

                $applyNumberFormat = $xmlReader->getAttribute(self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT);
                $normalizedApplyNumberFormat = ($applyNumberFormat !== null) ? (bool) $applyNumberFormat : null;

                $this->stylesAttributes[] = [
                    self::XML_ATTRIBUTE_NUM_FMT_ID          => $normalizedNumFmtId,
                    self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT => $normalizedApplyNumberFormat,
                ];
            } elseif ($xmlReader->isPositionedOnEndingNode(self::XML_NODE_CELL_XFS)) {
                // Once done reading "cellXfs" node's children
                break;
            }
        }
    }

    /**
     * @return array The custom number formats
     */
    protected function getCustomNumberFormats()
    {
        if (!isset($this->customNumberFormats)) {
            $this->extractRelevantInfo();
        }

        return $this->customNumberFormats;
    }

    /**
     * @return array The styles attributes
     */
    protected function getStylesAttributes()
    {
        if (!isset($this->stylesAttributes)) {
            $this->extractRelevantInfo();
        }

        return $this->stylesAttributes;
    }

    /**
     * @param array $styleAttributes Array containing the style attributes (2 keys: "applyNumberFormat" and "numFmtId")
     * @return bool Whether the style with the given attributes indicates that the number is a date
     */
    protected function doesStyleIndicateDate($styleAttributes)
    {
        $applyNumberFormat = $styleAttributes[self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT];
        $numFmtId = $styleAttributes[self::XML_ATTRIBUTE_NUM_FMT_ID];

        // A style may apply a date format if it has:
        //  - "applyNumberFormat" attribute not set to "false"
        //  - "numFmtId" attribute set
        // This is a preliminary check, as having "numFmtId" set just means the style should apply a specific number format,
        // but this is not necessarily a date.
        if ($applyNumberFormat === false || $numFmtId === null) {
            return false;
        }

        return $this->doesNumFmtIdIndicateDate($numFmtId);
    }

    /**
     * Returns whether the number format ID indicates that the number is a date.
     * The result is cached to avoid recomputing the same thing over and over, as
     * "numFmtId" attributes can be shared between multiple styles.
     *
     * @param int $numFmtId
     * @return bool Whether the number format ID indicates that the number is a date
     */
    protected function doesNumFmtIdIndicateDate($numFmtId)
    {
        if (!isset($this->numFmtIdToIsDateFormatCache[$numFmtId])) {
            $formatCode = $this->getFormatCodeForNumFmtId($numFmtId);

            $this->numFmtIdToIsDateFormatCache[$numFmtId] = (
                $this->isNumFmtIdBuiltInDateFormat($numFmtId) ||
                $this->isFormatCodeCustomDateFormat($formatCode)
            );
        }

        return $this->numFmtIdToIsDateFormatCache[$numFmtId];
    }

    /**
     * @param int $numFmtId
     * @return string|null The custom number format or NULL if none defined for the given numFmtId
     */
    protected function getFormatCodeForNumFmtId($numFmtId)
    {
        $customNumberFormats = $this->getCustomNumberFormats();

        // Using isset here because it is way faster than array_key_exists...
        return (isset($customNumberFormats[$numFmtId])) ? $customNumberFormats[$numFmtId] : null;
    }

    /**
     * @param int $numFmtId
     * @return bool Whether the number format ID indicates that the number is a date
     */
    protected function isNumFmtIdBuiltInDateFormat($numFmtId)
    {
        return in_array($numFmtId, $this->builtinNumFmtIdIndicatingDates);
    }

    /**
     * @param string|null $formatCode
     * @return bool Whether the given format code indicates that the number is a date
     */
    protected function isFormatCodeCustomDateFormat($formatCode)
    {
        // if no associated format code or if using the default "General" format
        if ($formatCode === null || strcasecmp($formatCode, self::NUMBER_FORMAT_GENERAL) === 0) {
            return false;
        }

        return $this->isFormatCodeMatchingDateFormatPattern($formatCode);
    }

    /**
     * @param string $formatCode
     * @return bool Whether the given format code matches a date format pattern
     */
    protected function isFormatCodeMatchingDateFormatPattern($formatCode)
    {
        // Remove extra formatting (what's between [ ], the brackets should not be preceded by a "\")
        $pattern = '((?<!\\\)\[.+?(?<!\\\)\])';
        $formatCode = preg_replace($pattern, '', $formatCode);

        // custom date formats contain specific characters to represent the date:
        // e - yy - m - d - h - s
        // and all of their variants (yyyy - mm - dd...)
        $dateFormatCharacters = ['e', 'yy', 'm', 'd', 'h', 's'];

        $hasFoundDateFormatCharacter = false;
        foreach ($dateFormatCharacters as $dateFormatCharacter) {
            // character not preceded by "\" (case insensitive)
            $pattern = '/(?<!\\\)' . $dateFormatCharacter . '/i';

            if (preg_match($pattern, $formatCode)) {
                $hasFoundDateFormatCharacter = true;
                break;
            }
        }

        return $hasFoundDateFormatCharacter;
    }

    /**
     * Returns the format as defined in "styles.xml" of the given style.
     * NOTE: It is assumed that the style DOES have a number format associated to it.
     *
     * @param int $styleId Zero-based style ID
     * @return string The number format code associated with the given style
     */
    public function getNumberFormatCode($styleId)
    {
        $stylesAttributes = $this->getStylesAttributes();
        $styleAttributes = $stylesAttributes[$styleId];
        $numFmtId = $styleAttributes[self::XML_ATTRIBUTE_NUM_FMT_ID];

        if ($this->isNumFmtIdBuiltInDateFormat($numFmtId)) {
            $numberFormatCode = self::$builtinNumFmtIdToNumFormatMapping[$numFmtId];
        } else {
            $customNumberFormats = $this->getCustomNumberFormats();
            $numberFormatCode = $customNumberFormats[$numFmtId];
        }

        return $numberFormatCode;
    }
}


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

box / spout

Pull Request — master (#557)

isFormatCodeMatchingDateFormatPattern() B

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