MarkdownParser::findBlockStart() - Code Metrics - Inspection of "Remove unnecessary unset()" - thephpleague/commonmark - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — table-start-line ( e8a195...62a823 )

by Colin

created 2024-07-24 12:47 UTC

MarkdownParser::findBlockStart() A

↳ Parent: MarkdownParser

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	6
nc	3
nop	1
dl	0
loc	12
ccs	6
cts	6
cp	1
crap	3
rs	10
c	0
b	0
f	0

<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <[email protected]>
 *
 * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
 *  - (c) John MacFarlane
 *
 * Additional code based on commonmark-java (https://github.com/commonmark/commonmark-java)
 *  - (c) Atlassian Pty Ltd
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Parser;

use League\CommonMark\Environment\EnvironmentInterface;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Event\DocumentPreParsedEvent;
use League\CommonMark\Exception\CommonMarkException;
use League\CommonMark\Input\MarkdownInput;
use League\CommonMark\Node\Block\Document;
use League\CommonMark\Node\Block\Paragraph;
use League\CommonMark\Parser\Block\BlockContinueParserInterface;
use League\CommonMark\Parser\Block\BlockContinueParserWithInlinesInterface;
use League\CommonMark\Parser\Block\BlockStart;
use League\CommonMark\Parser\Block\BlockStartParserInterface;
use League\CommonMark\Parser\Block\DocumentBlockParser;
use League\CommonMark\Parser\Block\ParagraphParser;
use League\CommonMark\Reference\ReferenceInterface;
use League\CommonMark\Reference\ReferenceMap;

final class MarkdownParser implements MarkdownParserInterface
{
    /** @psalm-readonly */
    private EnvironmentInterface $environment;

    /** @psalm-readonly-allow-private-mutation */
    private int $maxNestingLevel;

    /** @psalm-readonly-allow-private-mutation */
    private ReferenceMap $referenceMap;

    /** @psalm-readonly-allow-private-mutation */
    private int $lineNumber = 0;

    /** @psalm-readonly-allow-private-mutation */
    private Cursor $cursor;

    /**
     * @var array<int, BlockContinueParserInterface>
     *
     * @psalm-readonly-allow-private-mutation
     */
    private array $activeBlockParsers = [];

    /**
     * @var array<int, BlockContinueParserWithInlinesInterface>
     *
     * @psalm-readonly-allow-private-mutation
     */
    private array $closedBlockParsers = [];

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

    private function initialize(): void
    {
        $this->referenceMap       = new ReferenceMap();
        $this->lineNumber         = 0;
        $this->activeBlockParsers = [];
        $this->closedBlockParsers = [];

        $this->maxNestingLevel = $this->environment->getConfiguration()->get('max_nesting_level');
    }

    /**
     * @throws CommonMarkException
     */
    public function parse(string $input): Document
    {
        $this->initialize();

        $documentParser = new DocumentBlockParser($this->referenceMap);
        $this->activateBlockParser($documentParser);

        $preParsedEvent = new DocumentPreParsedEvent($documentParser->getBlock(), new MarkdownInput($input));
        $this->environment->dispatch($preParsedEvent);
        $markdownInput = $preParsedEvent->getMarkdown();

        foreach ($markdownInput->getLines() as $lineNumber => $line) {
            $this->lineNumber = $lineNumber;
            $this->parseLine($line);
        }

        // finalizeAndProcess
        $this->closeBlockParsers(\count($this->activeBlockParsers), $this->lineNumber);
        $this->processInlines();

        $this->environment->dispatch(new DocumentParsedEvent($documentParser->getBlock()));

        return $documentParser->getBlock();
    }

    /**
     * Analyze a line of text and update the document appropriately. We parse markdown text by calling this on each
     * line of input, then finalizing the document.
     */
    private function parseLine(string $line): void
    {
        $this->cursor = new Cursor($line);

        $matches = $this->parseBlockContinuation();
        if ($matches === null) {
            return;
        }

        $unmatchedBlocks = \count($this->activeBlockParsers) - $matches;
        $blockParser     = $this->activeBlockParsers[$matches - 1];
        $startedNewBlock = false;

        // Unless last matched container is a code block, try new container starts,
        // adding children to the last matched container:
        $tryBlockStarts = $blockParser->getBlock() instanceof Paragraph || $blockParser->isContainer();
        while ($tryBlockStarts) {
            // this is a little performance optimization
            if ($this->cursor->isBlank()) {
                $this->cursor->advanceToEnd();
                break;
            }

            if ($blockParser->getBlock()->getDepth() >= $this->maxNestingLevel) {
                break;
            }

            $blockStart = $this->findBlockStart($blockParser);
            if ($blockStart === null || $blockStart->isAborting()) {
                $this->cursor->advanceToNextNonSpaceOrTab();
                break;
            }

            if (($state = $blockStart->getCursorState()) !== null) {
                $this->cursor->restoreState($state);
            }

            $startedNewBlock = true;

            // We're starting a new block. If we have any previous blocks that need to be closed, we need to do it now.
            if ($unmatchedBlocks > 0) {
                $this->closeBlockParsers($unmatchedBlocks, $this->lineNumber - 1);
                $unmatchedBlocks = 0;
            }

            $oldBlockLineStart = null;
            if ($blockStart->isReplaceActiveBlockParser()) {
                $oldBlockLineStart = $this->prepareActiveBlockParserForReplacement();
            }

            foreach ($blockStart->getBlockParsers() as $newBlockParser) {
                $blockParser    = $this->addChild($newBlockParser, $oldBlockLineStart);
                $tryBlockStarts = $newBlockParser->isContainer();
            }
        }

        // What remains at the offset is a text line. Add the text to the appropriate block.

        // First check for a lazy paragraph continuation:
        if (! $startedNewBlock && ! $this->cursor->isBlank() && $this->getActiveBlockParser()->canHaveLazyContinuationLines()) {
            $this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
        } else {
            // finalize any blocks not matched
            if ($unmatchedBlocks > 0) {
                $this->closeBlockParsers($unmatchedBlocks, $this->lineNumber - 1);
            }

            if (! $blockParser->isContainer()) {
                $this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
            } elseif (! $this->cursor->isBlank()) {
                $this->addChild(new ParagraphParser());
                $this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
            }
        }
    }

    private function parseBlockContinuation(): ?int
    {
        // For each containing block, try to parse the associated line start.
        // The document will always match, so we can skip the first block parser and start at 1 matches
        $matches = 1;
        for ($i = 1; $i < \count($this->activeBlockParsers); $i++) {
            $blockParser   = $this->activeBlockParsers[$i];
            $blockContinue = $blockParser->tryContinue(clone $this->cursor, $this->getActiveBlockParser());
            if ($blockContinue === null) {
                break;
            }

            if ($blockContinue->isFinalize()) {
                $this->closeBlockParsers(\count($this->activeBlockParsers) - $i, $this->lineNumber);

                return null;
            }

            if (($state = $blockContinue->getCursorState()) !== null) {
                $this->cursor->restoreState($state);
            }

            $matches++;
        }

        return $matches;
    }

    private function findBlockStart(BlockContinueParserInterface $lastMatchedBlockParser): ?BlockStart
    {
        $matchedBlockParser = new MarkdownParserState($this->getActiveBlockParser(), $lastMatchedBlockParser);

        foreach ($this->environment->getBlockStartParsers() as $blockStartParser) {
            \assert($blockStartParser instanceof BlockStartParserInterface);
            if (($result = $blockStartParser->tryStart(clone $this->cursor, $matchedBlockParser)) !== null) {
                return $result;
            }
        }

        return null;
    }

    private function closeBlockParsers(int $count, int $endLineNumber): void
    {
        for ($i = 0; $i < $count; $i++) {
            $blockParser = $this->deactivateBlockParser();
            $this->finalize($blockParser, $endLineNumber);

            // phpcs:disable SlevomatCodingStandard.ControlStructures.EarlyExit.EarlyExitNotUsed
            if ($blockParser instanceof BlockContinueParserWithInlinesInterface) {
                // Remember for inline parsing
                $this->closedBlockParsers[] = $blockParser;
            }
        }
    }

    /**
     * Finalize a block. Close it and do any necessary postprocessing, e.g. creating string_content from strings,
     * setting the 'tight' or 'loose' status of a list, and parsing the beginnings of paragraphs for reference
     * definitions.
     */
    private function finalize(BlockContinueParserInterface $blockParser, int $endLineNumber): void
    {
        if ($blockParser instanceof ParagraphParser) {
            $this->updateReferenceMap($blockParser->getReferences());
        }

        $blockParser->getBlock()->setEndLine($endLineNumber);
        $blockParser->closeBlock();
    }

    /**
     * Walk through a block & children recursively, parsing string content into inline content where appropriate.
     */
    private function processInlines(): void
    {
        $p = new InlineParserEngine($this->environment, $this->referenceMap);

        foreach ($this->closedBlockParsers as $blockParser) {
            $blockParser->parseInlines($p);
        }
    }

    /**
     * Add block of type tag as a child of the tip. If the tip can't accept children, close and finalize it and try
     * its parent, and so on til we find a block that can accept children.
     */
    private function addChild(BlockContinueParserInterface $blockParser, ?int $startLineNumber = null): BlockContinueParserInterface
    {
        $blockParser->getBlock()->setStartLine($startLineNumber ?? $this->lineNumber);

        while (! $this->getActiveBlockParser()->canContain($blockParser->getBlock())) {
            $this->closeBlockParsers(1, ($startLineNumber ?? $this->lineNumber) - 1);
        }

        $this->getActiveBlockParser()->getBlock()->appendChild($blockParser->getBlock());
        $this->activateBlockParser($blockParser);

        return $blockParser;
    }

    private function activateBlockParser(BlockContinueParserInterface $blockParser): void
    {
        $this->activeBlockParsers[] = $blockParser;
    }

    /**
     * @throws ParserLogicException
     */
    private function deactivateBlockParser(): BlockContinueParserInterface
    {
        $popped = \array_pop($this->activeBlockParsers);
        if ($popped === null) {
            throw new ParserLogicException('The last block parser should not be deactivated');
        }

        return $popped;
    }

    /**
     * @return int|null The line number where the old block started
     */
    private function prepareActiveBlockParserForReplacement(): ?int
    {
        // Note that we don't want to parse inlines or finalize this block, as it's getting replaced.
        $old = $this->deactivateBlockParser();

        if ($old instanceof ParagraphParser) {
            $this->updateReferenceMap($old->getReferences());
        }

        $old->getBlock()->detach();

        return $old->getBlock()->getStartLine();
    }

    /**
     * @param ReferenceInterface[] $references
     */
    private function updateReferenceMap(iterable $references): void
    {
        foreach ($references as $reference) {
            if (! $this->referenceMap->contains($reference->getLabel())) {
                $this->referenceMap->add($reference);
            }
        }
    }

    /**
     * @throws ParserLogicException
     */
    public function getActiveBlockParser(): BlockContinueParserInterface
    {
        $active = \end($this->activeBlockParsers);
        if ($active === false) {
            throw new ParserLogicException('No active block parsers are available');
        }

        return $active;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		/*
6		* This file is part of the league/commonmark package.
7		*
8		* (c) Colin O'Dell <[email protected]>
9		*
10		* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
11		* - (c) John MacFarlane
12		*
13		* Additional code based on commonmark-java (https://github.com/commonmark/commonmark-java)
14		* - (c) Atlassian Pty Ltd
15		*
16		* For the full copyright and license information, please view the LICENSE
17		* file that was distributed with this source code.
18		*/
19
20		namespace League\CommonMark\Parser;
21
22		use League\CommonMark\Environment\EnvironmentInterface;
23		use League\CommonMark\Event\DocumentParsedEvent;
24		use League\CommonMark\Event\DocumentPreParsedEvent;
25		use League\CommonMark\Exception\CommonMarkException;
26		use League\CommonMark\Input\MarkdownInput;
27		use League\CommonMark\Node\Block\Document;
28		use League\CommonMark\Node\Block\Paragraph;
29		use League\CommonMark\Parser\Block\BlockContinueParserInterface;
30		use League\CommonMark\Parser\Block\BlockContinueParserWithInlinesInterface;
31		use League\CommonMark\Parser\Block\BlockStart;
32		use League\CommonMark\Parser\Block\BlockStartParserInterface;
33		use League\CommonMark\Parser\Block\DocumentBlockParser;
34		use League\CommonMark\Parser\Block\ParagraphParser;
35		use League\CommonMark\Reference\ReferenceInterface;
36		use League\CommonMark\Reference\ReferenceMap;
37
38		final class MarkdownParser implements MarkdownParserInterface
39		{
40		/** @psalm-readonly */
41		private EnvironmentInterface $environment;
42
43		/** @psalm-readonly-allow-private-mutation */
44		private int $maxNestingLevel;
45
46		/** @psalm-readonly-allow-private-mutation */
47		private ReferenceMap $referenceMap;
48
49		/** @psalm-readonly-allow-private-mutation */
50		private int $lineNumber = 0;
51
52		/** @psalm-readonly-allow-private-mutation */
53		private Cursor $cursor;
54
55		/**
56		* @var array<int, BlockContinueParserInterface>
57		*
58		* @psalm-readonly-allow-private-mutation
59		*/
60		private array $activeBlockParsers = [];
61
62		/**
63		* @var array<int, BlockContinueParserWithInlinesInterface>
64		*
65		* @psalm-readonly-allow-private-mutation
66		*/
67		private array $closedBlockParsers = [];
68
69	2292	public function __construct(EnvironmentInterface $environment)
70		{
71	2292	$this->environment = $environment;
72		}
73
74	2278	private function initialize(): void
75		{
76	2278	$this->referenceMap = new ReferenceMap();
77	2278	$this->lineNumber = 0;
78	2278	$this->activeBlockParsers = [];
79	2278	$this->closedBlockParsers = [];
80
81	2278	$this->maxNestingLevel = $this->environment->getConfiguration()->get('max_nesting_level');
82		}
83
84		/**
85		* @throws CommonMarkException
86		*/
87	2278	public function parse(string $input): Document
88		{
89	2278	$this->initialize();
90
91	2278	$documentParser = new DocumentBlockParser($this->referenceMap);
92	2278	$this->activateBlockParser($documentParser);
93
94	2278	$preParsedEvent = new DocumentPreParsedEvent($documentParser->getBlock(), new MarkdownInput($input));
95	2272	$this->environment->dispatch($preParsedEvent);
96	2262	$markdownInput = $preParsedEvent->getMarkdown();
97
98	2262	foreach ($markdownInput->getLines() as $lineNumber => $line) {
99	2262	$this->lineNumber = $lineNumber;
100	2262	$this->parseLine($line);
101		}
102
103		// finalizeAndProcess
104	2262	$this->closeBlockParsers(\count($this->activeBlockParsers), $this->lineNumber);
105	2262	$this->processInlines();
106
107	2262	$this->environment->dispatch(new DocumentParsedEvent($documentParser->getBlock()));
108
109	2260	return $documentParser->getBlock();
110		}
111
112		/**
113		* Analyze a line of text and update the document appropriately. We parse markdown text by calling this on each
114		* line of input, then finalizing the document.
115		*/
116	2262	private function parseLine(string $line): void
117		{
118	2262	$this->cursor = new Cursor($line);
119
120	2262	$matches = $this->parseBlockContinuation();
121	2262	if ($matches === null) {
122	74	return;
123		}
124
125	2262	$unmatchedBlocks = \count($this->activeBlockParsers) - $matches;
126	2262	$blockParser = $this->activeBlockParsers[$matches - 1];
127	2262	$startedNewBlock = false;
128
129		// Unless last matched container is a code block, try new container starts,
130		// adding children to the last matched container:
131	2262	$tryBlockStarts = $blockParser->getBlock() instanceof Paragraph \|\| $blockParser->isContainer();
132	2262	while ($tryBlockStarts) {
133		// this is a little performance optimization
134	2262	if ($this->cursor->isBlank()) {
135	648	$this->cursor->advanceToEnd();
136	648	break;
137		}
138
139	2262	if ($blockParser->getBlock()->getDepth() >= $this->maxNestingLevel) {
140	4	break;
141		}
142
143	2262	$blockStart = $this->findBlockStart($blockParser);
144	2262	if ($blockStart === null \|\| $blockStart->isAborting()) {
145	1956	$this->cursor->advanceToNextNonSpaceOrTab();
146	1956	break;
147		}
148
149	898	if (($state = $blockStart->getCursorState()) !== null) {
150	898	$this->cursor->restoreState($state);
151		}
152
153	898	$startedNewBlock = true;
154
155		// We're starting a new block. If we have any previous blocks that need to be closed, we need to do it now.
156	898	if ($unmatchedBlocks > 0) {
157	218	$this->closeBlockParsers($unmatchedBlocks, $this->lineNumber - 1);
158	218	$unmatchedBlocks = 0;
159		}
160
161	898	$oldBlockLineStart = null;
162	898	if ($blockStart->isReplaceActiveBlockParser()) {
163	136	$oldBlockLineStart = $this->prepareActiveBlockParserForReplacement();
164		}
165
166	898	foreach ($blockStart->getBlockParsers() as $newBlockParser) {
167	898	$blockParser = $this->addChild($newBlockParser, $oldBlockLineStart);
168	898	$tryBlockStarts = $newBlockParser->isContainer();
169		}
170		}
171
172		// What remains at the offset is a text line. Add the text to the appropriate block.
173
174		// First check for a lazy paragraph continuation:
175	2262	if (! $startedNewBlock && ! $this->cursor->isBlank() && $this->getActiveBlockParser()->canHaveLazyContinuationLines()) {
176	356	$this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
177		} else {
178		// finalize any blocks not matched
179	2262	if ($unmatchedBlocks > 0) {
180	668	$this->closeBlockParsers($unmatchedBlocks, $this->lineNumber - 1);
181		}
182
183	2262	if (! $blockParser->isContainer()) {
184	658	$this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
185	2006	} elseif (! $this->cursor->isBlank()) {
186	1960	$this->addChild(new ParagraphParser());
187	1960	$this->getActiveBlockParser()->addLine($this->cursor->getRemainder());
188		}
189		}
190		}
191
192	2262	private function parseBlockContinuation(): ?int
193		{
194		// For each containing block, try to parse the associated line start.
195		// The document will always match, so we can skip the first block parser and start at 1 matches
196	2262	$matches = 1;
197	2262	for ($i = 1; $i < \count($this->activeBlockParsers); $i++) {
198	1142	$blockParser = $this->activeBlockParsers[$i];
199	1142	$blockContinue = $blockParser->tryContinue(clone $this->cursor, $this->getActiveBlockParser());
200	1142	if ($blockContinue === null) {
201	790	break;
202		}
203
204	742	if ($blockContinue->isFinalize()) {
205	74	$this->closeBlockParsers(\count($this->activeBlockParsers) - $i, $this->lineNumber);
206
207	74	return null;
208		}
209
210	738	if (($state = $blockContinue->getCursorState()) !== null) {
211	738	$this->cursor->restoreState($state);
212		}
213
214	738	$matches++;
215		}
216
217	2262	return $matches;
218		}
219
220	2262	private function findBlockStart(BlockContinueParserInterface $lastMatchedBlockParser): ?BlockStart
221		{
222	2262	$matchedBlockParser = new MarkdownParserState($this->getActiveBlockParser(), $lastMatchedBlockParser);
223
224	2262	foreach ($this->environment->getBlockStartParsers() as $blockStartParser) {
225		\assert($blockStartParser instanceof BlockStartParserInterface);
226	2262	if (($result = $blockStartParser->tryStart(clone $this->cursor, $matchedBlockParser)) !== null) {
227	1492	return $result;
228		}
229		}
230
231	1022	return null;
232		}
233
234	2262	private function closeBlockParsers(int $count, int $endLineNumber): void
235		{
236	2262	for ($i = 0; $i < $count; $i++) {
237	2262	$blockParser = $this->deactivateBlockParser();
238	2262	$this->finalize($blockParser, $endLineNumber);
239
240		// phpcs:disable SlevomatCodingStandard.ControlStructures.EarlyExit.EarlyExitNotUsed
241	2262	if ($blockParser instanceof BlockContinueParserWithInlinesInterface) {
242		// Remember for inline parsing
243	2048	$this->closedBlockParsers[] = $blockParser;
244		}
245		}
246		}
247
248		/**
249		* Finalize a block. Close it and do any necessary postprocessing, e.g. creating string_content from strings,
250		* setting the 'tight' or 'loose' status of a list, and parsing the beginnings of paragraphs for reference
251		* definitions.
252		*/
253	2262	private function finalize(BlockContinueParserInterface $blockParser, int $endLineNumber): void
254		{
255	2262	if ($blockParser instanceof ParagraphParser) {
256	1872	$this->updateReferenceMap($blockParser->getReferences());
257		}
258
259	2262	$blockParser->getBlock()->setEndLine($endLineNumber);
260	2262	$blockParser->closeBlock();
261		}
262
263		/**
264		* Walk through a block & children recursively, parsing string content into inline content where appropriate.
265		*/
266	2262	private function processInlines(): void
267		{
268	2262	$p = new InlineParserEngine($this->environment, $this->referenceMap);
269
270	2262	foreach ($this->closedBlockParsers as $blockParser) {
271	2048	$blockParser->parseInlines($p);
272		}
273		}
274
275		/**
276		* Add block of type tag as a child of the tip. If the tip can't accept children, close and finalize it and try
277		* its parent, and so on til we find a block that can accept children.
278		*/
279	2262	private function addChild(BlockContinueParserInterface $blockParser, ?int $startLineNumber = null): BlockContinueParserInterface
280		{
281	2262	$blockParser->getBlock()->setStartLine($startLineNumber ?? $this->lineNumber);
282
283	2262	while (! $this->getActiveBlockParser()->canContain($blockParser->getBlock())) {
284	130	$this->closeBlockParsers(1, ($startLineNumber ?? $this->lineNumber) - 1);
285		}
286
287	2262	$this->getActiveBlockParser()->getBlock()->appendChild($blockParser->getBlock());
288	2262	$this->activateBlockParser($blockParser);
289
290	2262	return $blockParser;
291		}
292
293	2278	private function activateBlockParser(BlockContinueParserInterface $blockParser): void
294		{
295	2278	$this->activeBlockParsers[] = $blockParser;
296		}
297
298		/**
299		* @throws ParserLogicException
300		*/
301	2262	private function deactivateBlockParser(): BlockContinueParserInterface
302		{
303	2262	$popped = \array_pop($this->activeBlockParsers);
304	2262	if ($popped === null) {
305		throw new ParserLogicException('The last block parser should not be deactivated');
306		}
307
308	2262	return $popped;
309		}
310
311		/**
312		* @return int\|null The line number where the old block started
313		*/
314	136	private function prepareActiveBlockParserForReplacement(): ?int
315		{
316		// Note that we don't want to parse inlines or finalize this block, as it's getting replaced.
317	136	$old = $this->deactivateBlockParser();
318
319	136	if ($old instanceof ParagraphParser) {
320	136	$this->updateReferenceMap($old->getReferences());
321		}
322
323	136	$old->getBlock()->detach();
324
325	136	return $old->getBlock()->getStartLine();
326		}
327
328		/**
329		* @param ReferenceInterface[] $references
330		*/
331	1960	private function updateReferenceMap(iterable $references): void
332		{
333	1960	foreach ($references as $reference) {
334	166	if (! $this->referenceMap->contains($reference->getLabel())) {
335	166	$this->referenceMap->add($reference);
336		}
337		}
338		}
339
340		/**
341		* @throws ParserLogicException
342		*/
343	2262	public function getActiveBlockParser(): BlockContinueParserInterface
344		{
345	2262	$active = \end($this->activeBlockParsers);
346	2262	if ($active === false) {
347		throw new ParserLogicException('No active block parsers are available');
348		}
349
350	2262	return $active;
351		}
352		}
353

thephpleague / commonmark

Push — table-start-line ( e8a195...62a823 )

MarkdownParser::findBlockStart() A

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