FrontMatterDocument::setFrontMatter() - Code Metrics - Inspection of "Add unit tests for new ArrayUtilities functions" - stakx-io/stakx - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c2b5cc...89bfcf )

by Vladimir

created 2017-05-02 18:34 UTC

FrontMatterDocument::setFrontMatter() A

↳ Parent: FrontMatterDocument

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2.032

Importance

Changes

Metric	Value
dl	0
loc	9
ccs	4
cts	5
cp	0.8
rs	9.6666
c	0
b	0
f	0
cc	2
eloc	4
nc	2
nop	1
crap	2.032

<?php

/**
 * @copyright 2017 Vladimir Jimenez
 * @license   https://github.com/allejo/stakx/blob/master/LICENSE.md MIT
 */

namespace allejo\stakx\FrontMatter;

use allejo\stakx\Document\JailedDocumentInterface;
use allejo\stakx\Document\PermalinkDocument;
use allejo\stakx\Exception\FileAwareException;
use allejo\stakx\Exception\InvalidSyntaxException;
use allejo\stakx\FrontMatter\Exception\YamlVariableUndefinedException;
use Symfony\Component\Filesystem\Exception\FileNotFoundException;
use Symfony\Component\Filesystem\Exception\IOException;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Yaml;

abstract class FrontMatterDocument extends PermalinkDocument implements
    \ArrayAccess,
    JailedDocumentInterface,
    WritableDocumentInterface
{
    const TEMPLATE = "---\n%s\n---\n\n%s";

    /**
     * The names of FrontMatter keys that are specially defined for all Documents
     *
     * @var array
     */
    public static $specialFrontMatterKeys = array(

        'filename', 'basename'
    );

    protected static $whiteListFunctions = array(
        'getPermalink', 'getRedirects', 'getTargetFile', 'getName', 'getFilePath', 'getRelativeFilePath', 'getContent',
        'getExtension', 'getFrontMatter'
    );

    /**
     * An array to keep track of collection or data dependencies used inside of a Twig template.
     *
     * $dataDependencies['collections'] = array()
     * $dataDependencies['data'] = array()
     *
     * @var array
     */
    protected $dataDependencies;

    /**
     * FrontMatter values that can be injected or set after the file has been parsed. Values in this array will take
     * precedence over values in $frontMatter.
     *
     * @var array
     */
    protected $writableFrontMatter;

    /**
     * A list of Front Matter values that should not be returned directly from the $frontMatter array. Values listed
     * here have dedicated functions that handle those Front Matter values and the respective functions should be called
     * instead.
     *
     * @var string[]
     */
    protected $frontMatterBlacklist;

    /**
     * Set to true if the front matter has already been evaluated with variable interpolation.
     *
     * @var bool
     */
    protected $frontMatterEvaluated;

    /**
     * @var Parser
     */
    protected $frontMatterParser;

    /**
     * An array containing the Yaml of the file.
     *
     * @var array
     */
    protected $frontMatter;

    /**
     * Set to true if the body has already been parsed as markdown or any other format.
     *
     * @var bool
     */
    protected $bodyContentEvaluated;

    /**
     * Only the body of the file, i.e. the content.
     *
     * @var string
     */
    protected $bodyContent;

    /**
     * The number of lines that Twig template errors should offset.
     *
     * @var int
     */
    private $lineOffset;

    /**
     * ContentItem constructor.
     *
     * @param string $filePath The path to the file that will be parsed into a ContentItem
     *
     * @throws FileNotFoundException The given file path does not exist
     * @throws IOException           The file was not a valid ContentItem. This would meam there was no front matter or
     *                               no body
     */
    public function __construct($filePath)
    {
        $this->frontMatterBlacklist = array('permalink', 'redirects');
        $this->writableFrontMatter = array();

        parent::__construct($filePath);
    }

    /**
     * Return the body of the Content Item.
     *
     * @return string
     */
    abstract public function getContent();

    /**
     * The number of lines that are taken up by FrontMatter and white space.
     *
     * @return int
     */
    final public function getLineOffset()
    {
        return $this->lineOffset;
    }

    /**
     * Get the name of the item, which is just the filename without the extension.
     *
     * @return string
     */
    final public function getName()
    {
        return $this->getBaseName();
    }

    /**
     * Check whether this object has a reference to a collection or data item.
     *
     * @param string $namespace 'collections' or 'data'
     * @param string $needle
     *
     * @return bool
     */
    final public function hasTwigDependency($namespace, $needle)
    {
        return
            in_array($needle, $this->dataDependencies[$namespace]) ||
            (is_null($needle) && !empty($this->dataDependencies[$namespace]));
    }

    /**
     * Read the file, and parse its contents.
     */
    final public function refreshFileContent()
    {
        // This function can be called after the initial object was created and the file may have been deleted since the
        // creation of the object.
        if (!$this->fs->exists($this->filePath))
        {
            throw new FileNotFoundException(null, 0, null, $this->filePath);
        }

        // $fileStructure[1] is the YAML

        // $fileStructure[2] is the amount of new lines after the closing `---` and the beginning of content
        // $fileStructure[3] is the body of the document
        $fileStructure = array();

        $rawFileContents = file_get_contents($this->filePath);
        preg_match('/---\R(.*?\R)?---(\s+)(.*)/s', $rawFileContents, $fileStructure);

        if (count($fileStructure) != 4)
        {
            throw new InvalidSyntaxException('Invalid FrontMatter file', 0, null, $this->getRelativeFilePath());
        }

        if (empty(trim($fileStructure[3])))
        {
            throw new InvalidSyntaxException('FrontMatter files must have a body to render', 0, null, $this->getRelativeFilePath());
        }

        // The hard coded 1 is the offset used to count the new line used after the first `---` that is not caught in the regex
        $this->lineOffset = substr_count($fileStructure[1], "\n") + substr_count($fileStructure[2], "\n") + 1;
        $this->bodyContent = $fileStructure[3];

        if (!empty(trim($fileStructure[1])))
        {
            $this->frontMatter = Yaml::parse($fileStructure[1], Yaml::PARSE_DATETIME);
class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}

            if (!empty($this->frontMatter) && !is_array($this->frontMatter))
            {
                throw new ParseException('The evaluated FrontMatter should be an array');
            }
        }
        else
        {
            $this->frontMatter = array();
        }

        $this->frontMatterEvaluated = false;
        $this->bodyContentEvaluated = false;
        $this->permalink = null;


        $this->findTwigDataDependencies('collections');
        $this->findTwigDataDependencies('data');
    }

    /**
     * Get all of the references to either DataItems or ContentItems inside of given string.
     *
     * @param string $filter 'collections' or 'data'
     */
    private function findTwigDataDependencies($filter)
    {
        $regex = "/{[{%].*?(?:$filter)(?:\.|\[')?([^_\W]+)?(?:\.|'\])?[^_=]*?[%}]}/";
        $results = array();

        preg_match_all($regex, $this->bodyContent, $results);

        $this->dataDependencies[$filter] = array_unique($results[1]);
    }

    //
    // Permalink and redirect functionality
    //

    final protected function buildPermalink()
    {
        if (!is_null($this->permalink))
        {
            return;
        }

        if (!is_null($this->frontMatterParser) && $this->frontMatterParser->hasExpansion())
        {
            throw new \Exception('The permalink for this item has not been set');
        }

        $permalink = (is_array($this->frontMatter) && isset($this->frontMatter['permalink'])) ?
            $this->frontMatter['permalink'] : $this->getPathPermalink();

        if (is_array($permalink))

        {
            $this->permalink = $permalink[0];
            array_shift($permalink);
            $this->redirects = $permalink;
        }
        else
        {
            $this->permalink = $permalink;
            $this->redirects = array();
        }
    }

    //
    // WritableFrontMatter Implementation
    //

    /**
     * {@inheritdoc}
     */
    final public function evaluateFrontMatter($variables = null)
    {
        if (!is_null($variables))
        {
            $this->frontMatter = array_merge($this->frontMatter, $variables);
            $this->evaluateYaml($this->frontMatter);
        }
    }

    /**
     * {@inheritdoc}
     */
    final public function getFrontMatter($evaluateYaml = true)
    {
        if (is_null($this->frontMatter))
        {
            $this->frontMatter = array();
        }
        elseif (!$this->frontMatterEvaluated && $evaluateYaml)
        {
            $this->evaluateYaml($this->frontMatter);
        }

        return $this->frontMatter;
    }

    /**
     * {@inheritdoc}
     */
    final public function hasExpandedFrontMatter()
    {
        return !is_null($this->frontMatterParser) && $this->frontMatterParser->hasExpansion();
    }

    /**
     * {@inheritdoc.
     */
    final public function appendFrontMatter(array $frontMatter)
    {
        foreach ($frontMatter as $key => $value)
        {
            $this->writableFrontMatter[$key] = $value;
        }
    }

    /**
     * {@inheritdoc.
     */
    final public function deleteFrontMatter($key)
    {
        if (!isset($this->writableFrontMatter[$key]))
        {
            return;
        }

        unset($this->writableFrontMatter[$key]);
    }

    /**
     * {@inheritdoc.
     */
    final public function setFrontMatter(array $frontMatter)
    {
        if (!is_array($frontMatter))
        {
            throw new \InvalidArgumentException('An array is required for setting the writable FrontMatter');
        }

        $this->writableFrontMatter = $frontMatter;
    }

    /**
     * Evaluate an array of data for FrontMatter variables. This function will modify the array in place.
     *
     * @param array $yaml An array of data containing FrontMatter variables
     *
     * @throws YamlVariableUndefinedException A FrontMatter variable used does not exist
     */
    private function evaluateYaml(&$yaml)
    {
        try
        {
            $this->frontMatterParser = new Parser($yaml, array(
                'filename' => $this->getFileName(),
                'basename' => $this->getName(),
            ));
            $this->frontMatterEvaluated = true;
        }
        catch (\Exception $e)
        {
            throw FileAwareException::castException($e, $this->getRelativeFilePath());
        }
    }

    //
    // ArrayAccess Implementation
    //

    /**
     * {@inheritdoc}
     */
    public function offsetSet($offset, $value)
    {
        if (is_null($offset))
        {
            throw new \InvalidArgumentException('$offset cannot be null');
        }

        $this->writableFrontMatter[$offset] = $value;
    }

    /**
     * {@inheritdoc}
     */
    public function offsetExists($offset)
    {
        if (isset($this->writableFrontMatter[$offset]) || isset($this->frontMatter[$offset]))
        {
            return true;
        }

        $fxnCall = 'get' . ucfirst($offset);

        return method_exists($this, $fxnCall) && in_array($fxnCall, static::$whiteListFunctions);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetUnset($offset)
    {
        unset($this->writableFrontMatter[$offset]);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetGet($offset)
    {
        $fxnCall = 'get' . ucfirst($offset);

        if (in_array($fxnCall, self::$whiteListFunctions) && method_exists($this, $fxnCall))
        {
            return call_user_func_array(array($this, $fxnCall), array());
        }

        if (isset($this->writableFrontMatter[$offset]))
        {
            return $this->writableFrontMatter[$offset];
        }

        if (isset($this->frontMatter[$offset]))
        {
            return $this->frontMatter[$offset];
        }

        return null;
    }
}


1			<?php
2
3			/**
4			* @copyright 2017 Vladimir Jimenez
5			* @license https://github.com/allejo/stakx/blob/master/LICENSE.md MIT
6			*/
7
8			namespace allejo\stakx\FrontMatter;
9
10			use allejo\stakx\Document\JailedDocumentInterface;
11			use allejo\stakx\Document\PermalinkDocument;
12			use allejo\stakx\Exception\FileAwareException;
13			use allejo\stakx\Exception\InvalidSyntaxException;
14			use allejo\stakx\FrontMatter\Exception\YamlVariableUndefinedException;
15			use Symfony\Component\Filesystem\Exception\FileNotFoundException;
16			use Symfony\Component\Filesystem\Exception\IOException;
17			use Symfony\Component\Yaml\Exception\ParseException;
18			use Symfony\Component\Yaml\Yaml;
19
20			abstract class FrontMatterDocument extends PermalinkDocument implements
21			\ArrayAccess,
22			JailedDocumentInterface,
23			WritableDocumentInterface
24			{
25			const TEMPLATE = "---\n%s\n---\n\n%s";
26
27			/**
28			* The names of FrontMatter keys that are specially defined for all Documents
29			*
30			* @var array
31			*/
32			public static $specialFrontMatterKeys = array(
			0 ignored issues – show Comprehensibility Naming introduced 2017-04-22 03:32 UTC by Report Bug Copy Issue Report The variable name `$specialFrontMatterKeys` exceeds the maximum configured length of `20`. Very long variable names usually make code harder to read. It is therefore recommended not to make variable names too verbose. Loading history...
33			'filename', 'basename'
34			);
35
36			protected static $whiteListFunctions = array(
37			'getPermalink', 'getRedirects', 'getTargetFile', 'getName', 'getFilePath', 'getRelativeFilePath', 'getContent',
38			'getExtension', 'getFrontMatter'
39			);
40
41			/**
42			* An array to keep track of collection or data dependencies used inside of a Twig template.
43			*
44			* $dataDependencies['collections'] = array()
45			* $dataDependencies['data'] = array()
46			*
47			* @var array
48			*/
49			protected $dataDependencies;
50
51			/**
52			* FrontMatter values that can be injected or set after the file has been parsed. Values in this array will take
53			* precedence over values in $frontMatter.
54			*
55			* @var array
56			*/
57			protected $writableFrontMatter;
58
59			/**
60			* A list of Front Matter values that should not be returned directly from the $frontMatter array. Values listed
61			* here have dedicated functions that handle those Front Matter values and the respective functions should be called
62			* instead.
63			*
64			* @var string[]
65			*/
66			protected $frontMatterBlacklist;
67
68			/**
69			* Set to true if the front matter has already been evaluated with variable interpolation.
70			*
71			* @var bool
72			*/
73			protected $frontMatterEvaluated;
74
75			/**
76			* @var Parser
77			*/
78			protected $frontMatterParser;
79
80			/**
81			* An array containing the Yaml of the file.
82			*
83			* @var array
84			*/
85			protected $frontMatter;
86
87			/**
88			* Set to true if the body has already been parsed as markdown or any other format.
89			*
90			* @var bool
91			*/
92			protected $bodyContentEvaluated;
93
94			/**
95			* Only the body of the file, i.e. the content.
96			*
97			* @var string
98			*/
99			protected $bodyContent;
100
101			/**
102			* The number of lines that Twig template errors should offset.
103			*
104			* @var int
105			*/
106			private $lineOffset;
107
108			/**
109			* ContentItem constructor.
110			*
111			* @param string $filePath The path to the file that will be parsed into a ContentItem
112			*
113			* @throws FileNotFoundException The given file path does not exist
114			* @throws IOException The file was not a valid ContentItem. This would meam there was no front matter or
115			* no body
116			*/
117	137		public function __construct($filePath)
118			{
119	137		$this->frontMatterBlacklist = array('permalink', 'redirects');
120	137		$this->writableFrontMatter = array();
121
122	137		parent::__construct($filePath);
123	125		}
124
125			/**
126			* Return the body of the Content Item.
127			*
128			* @return string
129			*/
130			abstract public function getContent();
131
132			/**
133			* The number of lines that are taken up by FrontMatter and white space.
134			*
135			* @return int
136			*/
137			final public function getLineOffset()
138			{
139			return $this->lineOffset;
140			}
141
142			/**
143			* Get the name of the item, which is just the filename without the extension.
144			*
145			* @return string
146			*/
147	62		final public function getName()
148			{
149	62		return $this->getBaseName();
150			}
151
152			/**
153			* Check whether this object has a reference to a collection or data item.
154			*
155			* @param string $namespace 'collections' or 'data'
156			* @param string $needle
157			*
158			* @return bool
159			*/
160	17		final public function hasTwigDependency($namespace, $needle)
161			{
162			return
163	17		in_array($needle, $this->dataDependencies[$namespace]) \|\|
164	17		(is_null($needle) && !empty($this->dataDependencies[$namespace]));
165			}
166
167			/**
168			* Read the file, and parse its contents.
169			*/
170	137		final public function refreshFileContent()
171			{
172			// This function can be called after the initial object was created and the file may have been deleted since the
173			// creation of the object.
174	137		if (!$this->fs->exists($this->filePath))
175			{
176	2		throw new FileNotFoundException(null, 0, null, $this->filePath);
177			}
178
179			// $fileStructure[1] is the YAML
			0 ignored issues – show Unused Code Comprehensibility introduced 2017-04-17 07:27 UTC by Report Bug Copy Issue Report `37%` of this comment could be valid code. Did you maybe forget this after debugging? Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it. The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production. This check looks for comments that seem to be mostly valid code and reports them. Loading history...
180			// $fileStructure[2] is the amount of new lines after the closing `---` and the beginning of content
181			// $fileStructure[3] is the body of the document
182	136		$fileStructure = array();
183
184	136		$rawFileContents = file_get_contents($this->filePath);
185	136		preg_match('/---\R(.?\R)?---(\s+)(.)/s', $rawFileContents, $fileStructure);
186
187	136		if (count($fileStructure) != 4)
188			{
189	9		throw new InvalidSyntaxException('Invalid FrontMatter file', 0, null, $this->getRelativeFilePath());
190			}
191
192	127		if (empty(trim($fileStructure[3])))
193			{
194	1		throw new InvalidSyntaxException('FrontMatter files must have a body to render', 0, null, $this->getRelativeFilePath());
195			}
196
197			// The hard coded 1 is the offset used to count the new line used after the first `---` that is not caught in the regex
198	126		$this->lineOffset = substr_count($fileStructure[1], "\n") + substr_count($fileStructure[2], "\n") + 1;
199	126		$this->bodyContent = $fileStructure[3];
200
201	126		if (!empty(trim($fileStructure[1])))
202			{
203	92		$this->frontMatter = Yaml::parse($fileStructure[1], Yaml::PARSE_DATETIME);
			0 ignored issues – show Documentation Bug introduced 2017-02-27 19:53 UTC by Report Bug Copy Issue Report It seems like `\Symfony\Component\Yaml\...l\Yaml::PARSE_DATETIME)` can also be of type `string` or `object<stdClass>`. However, the property `$frontMatter` is declared as type `array`. Maybe add an additional type check? Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly. For example, imagine you have a variable `$accountId` that can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to the `id` property of an instance of the `Account` class. This class holds a proper account, so the id value must no longer be false. Either this assignment is in error or a type check should be added for that assignment. class Id { public $id; public function __construct($id) { $this->id = $id; } } class Account { /** @var Id $id */ public $id; } $account_id = false; if (starsAreRight()) { $account_id = new Id(42); } $account = new Account(); if ($account instanceof Id) { $account->id = $account_id; } Loading history...
204
205	92		if (!empty($this->frontMatter) && !is_array($this->frontMatter))
206			{
207	92		throw new ParseException('The evaluated FrontMatter should be an array');
208			}
209			}
210			else
211			{
212	37		$this->frontMatter = array();
213			}
214
215	125		$this->frontMatterEvaluated = false;
216	125		$this->bodyContentEvaluated = false;
217	125		$this->permalink = null;
			0 ignored issues – show Documentation Bug introduced 2017-04-26 16:45 UTC by Report Bug Copy Issue Report It seems like `null` of type `null` is incompatible with the declared type `array` of property `$permalink`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
218
219	125		$this->findTwigDataDependencies('collections');
220	125		$this->findTwigDataDependencies('data');
221	125		}
222
223			/**
224			* Get all of the references to either DataItems or ContentItems inside of given string.
225			*
226			* @param string $filter 'collections' or 'data'
227			*/
228	125		private function findTwigDataDependencies($filter)
229			{
230	125		$regex = "/{[{%].?(?:$filter)(?:\.\|\[')?([^_\W]+)?(?:\.\|'\])?[^_=]?[%}]}/";
231	125		$results = array();
232
233	125		preg_match_all($regex, $this->bodyContent, $results);
234
235	125		$this->dataDependencies[$filter] = array_unique($results[1]);
236	125		}
237
238			//
239			// Permalink and redirect functionality
240			//
241
242	39		final protected function buildPermalink()
243			{
244	39		if (!is_null($this->permalink))
245			{
246	8		return;
247			}
248
249	37		if (!is_null($this->frontMatterParser) && $this->frontMatterParser->hasExpansion())
250			{
251			throw new \Exception('The permalink for this item has not been set');
252			}
253
254	37		$permalink = (is_array($this->frontMatter) && isset($this->frontMatter['permalink'])) ?
255	37		$this->frontMatter['permalink'] : $this->getPathPermalink();
256
257	37	View Code Duplication	if (is_array($permalink))
			0 ignored issues – show Duplication introduced 2017-04-22 03:32 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
258			{
259	19		$this->permalink = $permalink[0];
260	19		array_shift($permalink);
261	19		$this->redirects = $permalink;
262			}
263			else
264			{
265	24		$this->permalink = $permalink;
266	24		$this->redirects = array();
267			}
268	37		}
269
270			//
271			// WritableFrontMatter Implementation
272			//
273
274			/**
275			* {@inheritdoc}
276			*/
277	7		final public function evaluateFrontMatter($variables = null)
278			{
279	7		if (!is_null($variables))
280			{
281	7		$this->frontMatter = array_merge($this->frontMatter, $variables);
282	7		$this->evaluateYaml($this->frontMatter);
283			}
284	7		}
285
286			/**
287			* {@inheritdoc}
288			*/
289	29		final public function getFrontMatter($evaluateYaml = true)
290			{
291	29		if (is_null($this->frontMatter))
292			{
293			$this->frontMatter = array();
294			}
295	29		elseif (!$this->frontMatterEvaluated && $evaluateYaml)
296			{
297	23		$this->evaluateYaml($this->frontMatter);
298			}
299
300	28		return $this->frontMatter;
301			}
302
303			/**
304			* {@inheritdoc}
305			*/
306	2		final public function hasExpandedFrontMatter()
307			{
308	2		return !is_null($this->frontMatterParser) && $this->frontMatterParser->hasExpansion();
309			}
310
311			/**
312			* {@inheritdoc.
313			*/
314			final public function appendFrontMatter(array $frontMatter)
315			{
316			foreach ($frontMatter as $key => $value)
317			{
318			$this->writableFrontMatter[$key] = $value;
319			}
320			}
321
322			/**
323			* {@inheritdoc.
324			*/
325			final public function deleteFrontMatter($key)
326			{
327			if (!isset($this->writableFrontMatter[$key]))
328			{
329			return;
330			}
331
332			unset($this->writableFrontMatter[$key]);
333			}
334
335			/**
336			* {@inheritdoc.
337			*/
338	2		final public function setFrontMatter(array $frontMatter)
339			{
340	2		if (!is_array($frontMatter))
341			{
342			throw new \InvalidArgumentException('An array is required for setting the writable FrontMatter');
343			}
344
345	2		$this->writableFrontMatter = $frontMatter;
346	2		}
347
348			/**
349			* Evaluate an array of data for FrontMatter variables. This function will modify the array in place.
350			*
351			* @param array $yaml An array of data containing FrontMatter variables
352			*
353			* @throws YamlVariableUndefinedException A FrontMatter variable used does not exist
354			*/
355	30		private function evaluateYaml(&$yaml)
356			{
357			try
358			{
359	30		$this->frontMatterParser = new Parser($yaml, array(
360	30		'filename' => $this->getFileName(),
361	30		'basename' => $this->getName(),
362			));
363	29		$this->frontMatterEvaluated = true;
364			}
365	1		catch (\Exception $e)
366			{
367	1		throw FileAwareException::castException($e, $this->getRelativeFilePath());
368			}
369	29		}
370
371			//
372			// ArrayAccess Implementation
373			//
374
375			/**
376			* {@inheritdoc}
377			*/
378			public function offsetSet($offset, $value)
379			{
380			if (is_null($offset))
381			{
382			throw new \InvalidArgumentException('$offset cannot be null');
383			}
384
385			$this->writableFrontMatter[$offset] = $value;
386			}
387
388			/**
389			* {@inheritdoc}
390			*/
391	34		public function offsetExists($offset)
392			{
393	34		if (isset($this->writableFrontMatter[$offset]) \|\| isset($this->frontMatter[$offset]))
394			{
395	33		return true;
396			}
397
398	14		$fxnCall = 'get' . ucfirst($offset);
399
400	14		return method_exists($this, $fxnCall) && in_array($fxnCall, static::$whiteListFunctions);
401			}
402
403			/**
404			* {@inheritdoc}
405			*/
406			public function offsetUnset($offset)
407			{
408			unset($this->writableFrontMatter[$offset]);
409			}
410
411			/**
412			* {@inheritdoc}
413			*/
414	51		public function offsetGet($offset)
415			{
416	51		$fxnCall = 'get' . ucfirst($offset);
417
418	51		if (in_array($fxnCall, self::$whiteListFunctions) && method_exists($this, $fxnCall))
419			{
420	6		return call_user_func_array(array($this, $fxnCall), array());
421			}
422
423	45		if (isset($this->writableFrontMatter[$offset]))
424			{
425			return $this->writableFrontMatter[$offset];
426			}
427
428	45		if (isset($this->frontMatter[$offset]))
429			{
430	44		return $this->frontMatter[$offset];
431			}
432
433	5		return null;
434			}
435			}
436

stakx-io / stakx

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FrontMatterDocument::setFrontMatter() A

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