StyleManager::extractRelevantInfo() - Code Metrics - Inspection of "Introduce Managers for readers" - box/spout - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — develop_3.0 (#460)

by Adrien

created 2017-08-27 01:46 UTC

StyleManager::extractRelevantInfo() B

↳ Parent: StyleManager

Complexity

Conditions	5
Paths	5

Size

Total Lines	20
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	12
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	20
ccs	12
cts	12
cp	1
rs	8.8571
c	0
b	0
f	0
cc	5
eloc	11
nc	5
nop	0
crap	5

<?php

namespace Box\Spout\Reader\XLSX\Manager;

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

/**
 * Class StyleManager
 * This class manages XLSX styles
 *
 * @package Box\Spout\Reader\XLSX\Manager
 */
class StyleManager
{
    /** Paths of XML files relative to the XLSX file root */
    const STYLES_XML_FILE_PATH = 'xl/styles.xml';

    /** 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 EntityFactory 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 EntityFactory $entityFactory Factory to create entities
     */
    public function __construct($filePath, $entityFactory)
    {
        $this->filePath = $filePath;
        $this->entityFactory = $entityFactory;
        $this->builtinNumFmtIdIndicatingDates = array_keys(self::$builtinNumFmtIdToNumFormatMapping);
    }

    /**
     * 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, self::STYLES_XML_FILE_PATH)) {
            while ($xmlReader->read()) {
                if ($xmlReader->isPositionedOnStartingNode(self::XML_NODE_NUM_FMTS)) {
                    $this->extractNumberFormats($xmlReader);

                } else if ($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)) {
                $numFmtId = intval($xmlReader->getAttribute(self::XML_ATTRIBUTE_NUM_FMT_ID));
                $formatCode = $xmlReader->getAttribute(self::XML_ATTRIBUTE_FORMAT_CODE);
                $this->customNumberFormats[$numFmtId] = $formatCode;
            } else if ($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) ? intval($numFmtId) : null;

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

                $this->stylesAttributes[] = [
                    self::XML_ATTRIBUTE_NUM_FMT_ID => $normalizedNumFmtId,
                    self::XML_ATTRIBUTE_APPLY_NUMBER_FORMAT => $normalizedApplyNumberFormat,
                ];
            } else if ($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\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

box / spout

Pull Request — develop_3.0 (#460)

StyleManager::extractRelevantInfo() B

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