RangeDifferencer::createRangeDifference3() - Code Metrics - Inspection of "Merge pull request #11 from snebes/docs" - snebes/php-daisydiff - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 0d07bf...dd4616 )

by Steve

created 2019-01-30 23:05 UTC

RangeDifferencer::createRangeDifference3() B

↳ Parent: RangeDifferencer

Complexity

Conditions	6
Paths	12

Size

Total Lines	61
Code Lines	34

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	25
CRAP Score	6.3765

Importance

Changes

Metric	Value
cc	6
eloc	34
nc	12
nop	7
dl	0
loc	61
ccs	25
cts	32
cp	0.7813
crap	6.3765
rs	8.7537
c	0
b	0
f	0

How to fix Long Method

<?php
/**
 * (c) Steve Nebes <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace SN\DaisyDiff\RangeDifferencer;

use SN\DaisyDiff\RangeDifferencer\Core\LCSSettings;

/**
 * A RangeDifferencer finds the differences between two or three RangeComparatorInterfaces.
 *
 * To use the differencer, clients provide an RangeComparatorInterface that breaks their input data into a sequence of
 * comparable entities. The differencer returns the differences among these sequences as an array of RangeDifference
 * objects (findDifferences methods). Every RangeDifference represents a single kind of difference and the corresponding
 * ranges of the underlying comparable entities in the left, right, and optionally ancestor sides.
 *
 * Alternatively, the findRanges methods not only return objects for the differing ranges but for non-differing ranges
 * too.
 *
 * The algorithm used is an objectified version of one described in: A File Comparison Program, by Webb Miller and
 * Eugene W. Myers, Software Practice and Experience, Vol. 15, Nov. 1985.
 */
final class RangeDifferencer
{
    /**
     * Prevent class instantiation.
     *
     * @codeCoverageIgnore
     */
    private function __construct()
    {
    }

    /**
     * Finds the differences between two RangeComparatorInterfaces. The differences are returned as an array of
     * RangeDifferences. If no differences are detected an empty array is returned.
     *
     * @param RangeComparatorInterface $left
     * @param RangeComparatorInterface $right
     * @param LCSSettings              $settings
     * @return RangeDifference[]
     */
    public static function findDifferences(
        RangeComparatorInterface $left,
        RangeComparatorInterface $right,
        ?LCSSettings $settings = null
    ): array {
        if (null === $settings) {
            $settings = new LCSSettings();
        }

        if (!$settings->isUseGreedyMethod()) {
            return OldDifferencer::findDifferences($left, $right);
        }

        return RangeComparatorLCS::findDifferences($left, $right, $settings);
    }

    /**
     * Finds the differences among three RangeComparatorInterfaces. The differences are returned as a list of
     * RangeDifferences. If no differences are detected an empty list is returned. If the ancestor range comparator is
     * null, a two-way comparison is performed.
     *
     * @param RangeComparatorInterface $ancestor
     * @param RangeComparatorInterface $left
     * @param RangeComparatorInterface $right
     * @param LCSSettings              $settings
     * @return RangeDifference[]
     */
    public static function findDifferences3(
        RangeComparatorInterface $ancestor,
        RangeComparatorInterface $left,
        RangeComparatorInterface $right,
        ?LCSSettings $settings = null
    ): array {
        $leftAncestorScript = null;
        $rightAncestorScript = self::findDifferences($ancestor, $right, $settings);

        if (!empty($rightAncestorScript)) {
            $leftAncestorScript = self::findDifferences($ancestor, $left, $settings);
        }

        if (empty($leftAncestorScript) || empty($rightAncestorScript)) {
            return [];
        }

        $myIter = new DifferencesIterator($rightAncestorScript);
        $yourIter = new DifferencesIterator($leftAncestorScript);

        // Prime array with a sentinel.
        $diff3 = [];
        $diff3[] = new RangeDifference(RangeDifference::ERROR);

        // Combine the two-way edit scripts into one.
        while (null !== $myIter->getDifference() || null !== $yourIter->getDifference()) {
            $myIter->removeAll();
            $yourIter->removeAll();

            // Take the next diff that is closer to the start.
            if (null === $myIter->getDifference()) {
                $startThread = $yourIter;
            } elseif (null === $yourIter->getDifference()) {
                $startThread = $myIter;
            } else {
                // Not at end of both scripts take the lowest range.
                if ($myIter->getDifference()->getLeftStart() <= $yourIter->getDifference()->getLeftStart()) {
                    $startThread = $myIter;
                } else {
                    $startThread = $yourIter;
                }
            }

            $changeRangeStart = $startThread->getDifference()->getLeftStart();
            $changeRangeEnd = $startThread->getDifference()->getLeftEnd();
            $startThread->next();

            // Check for overlapping changes with other thread merge overlapping changes with this range.
            $other = $startThread->other($myIter, $yourIter);

            while (null !== $other->getDifference() && $other->getDifference()->getLeftStart() <= $changeRangeEnd) {
                $newMax = $other->getDifference()->getLeftEnd();
                $other->next();

                if ($newMax >= $changeRangeEnd) {
                    $changeRangeEnd = $newMax;
                    $other = $other->other($myIter, $yourIter);
                }
            }

            $diff3[] = self::createRangeDifference3(
                $myIter, $yourIter, $diff3,
                $right, $left,
                $changeRangeStart, $changeRangeEnd);
        }

        // Remove sentinel, the first item in the array.
        \array_shift($diff3);

        return $diff3;
    }

    /**
     * @param RangeComparatorInterface $left
     * @param RangeComparatorInterface $right
     * @param LCSSettings|null         $settings
     * @return RangeDifference[]
     */
    public static function findRanges(
        RangeComparatorInterface $left,
        RangeComparatorInterface $right,
        ?LCSSettings $settings = null
    ): array {
        $in = self::findDifferences($left, $right, $settings);
        $out = [];

        $mStart = 0;
        $yStart = 0;

        for ($i = 0, $iMax = \count($in); $i < $iMax; $i++) {
            $es = $in[$i];
            $rd = new RangeDifference(RangeDifference::NOCHANGE,
                $mStart, $es->getRightStart() - $mStart,
                $yStart, $es->getLeftStart() - $yStart);

            if ($rd->getMaxLength() !== 0) {
                $out[] = $rd;
            }

            $out[] = $es;

            $mStart = $es->getRightEnd();
            $yStart = $es->getLeftEnd();
        }

        $rd = new RangeDifference(RangeDifference::NOCHANGE,
            $mStart, $right->getRangeCount() - $mStart,
            $yStart, $left->getRangeCount() - $yStart);

        if ($rd->getMaxLength() > 0) {
            $out[] = $rd;
        }

        return $out;
    }

    /**
     * @param RangeComparatorInterface $ancestor
     * @param RangeComparatorInterface $left
     * @param RangeComparatorInterface $right
     * @param LCSSettings|null         $settings
     * @return RangeDifference[]
     */
    public static function findRanges3(
        RangeComparatorInterface $ancestor,
        RangeComparatorInterface $left,
        RangeComparatorInterface $right,
        ?LCSSettings $settings = null
    ): array {
        $in = self::findDifferences3($ancestor, $left, $right, $settings);
        $out = [];

        $mStart = 0;
        $yStart = 0;
        $aStart = 0;

        for ($i = 0, $iMax = \count($in); $i < $iMax; $i++) {
            $es = $in[$i];
            $rd = new RangeDifference(RangeDifference::NOCHANGE,
                $mStart, $es->getRightStart() - $mStart,
                $yStart, $es->getLeftStart() - $yStart,
                $aStart, $es->getAncestorStart() - $aStart);

            if ($rd->getMaxLength() > 0) {
                $out[] = $rd;
            }

            $out[] = $es;

            $mStart = $es->getRightEnd();
            $yStart = $es->getLeftEnd();
            $aStart = $es->getAncestorEnd();
        }

        $rd = new RangeDifference(RangeDifference::NOCHANGE,
            $mStart, $right->getRangeCount() - $mStart,
            $yStart, $left->getRangeCount() - $yStart,
            $aStart, $ancestor->getRangeCount() - $aStart);

        if ($rd->getMaxLength() > 0) {
            $out[] = $rd;
        }

        return $out;
    }

    /**
     * @param DifferencesIterator      $myIter
     * @param DifferencesIterator      $yourIter
     * @param array                    $diff3
     * @param RangeComparatorInterface $right
     * @param RangeComparatorInterface $left
     * @param int                      $changeRangeStart
     * @param int                      $changeRangeEnd
     * @return RangeDifference
     */
    private static function createRangeDifference3(
        DifferencesIterator $myIter,
        DifferencesIterator $yourIter,
        array &$diff3,
        RangeComparatorInterface $right,
        RangeComparatorInterface $left,
        int $changeRangeStart = 0,
        int $changeRangeEnd = 0
    ): RangeDifference {
        $kind = RangeDifference::ERROR;

        /** @var RangeDifference $last */
        $last = $diff3[\count($diff3) - 1];

        // At least one range array must be non-empty.
        \assert($myIter->getCount() > 0 || $yourIter->getCount() > 0);

        // Find corresponding lines to fChangeRangeStart/End in right and left.
        if (0 === $myIter->getCount()) {
            // Only left changed.
            $rightStart = $changeRangeStart - $last->getAncestorEnd() + $last->getRightEnd();
            $rightEnd = $changeRangeEnd - $last->getAncestorEnd() + $last->getRightEnd();
            $kind = RangeDifference::LEFT;
        } else {
            /** @var RangeDifference[] $range */
            $range = $myIter->getRange();
            $f = $range[0];
            $l = $range[\count($range) - 1];
            $rightStart = $changeRangeStart - $f->getLeftStart() + $f->getRightStart();
            $rightEnd = $changeRangeEnd - $l->getLeftEnd() + $l->getRightEnd();
        }

        if (0 === $yourIter->getCount()) {
            // Only right changed.
            $leftStart = $changeRangeStart - $last->getAncestorEnd() + $last->getLeftEnd();
            $leftEnd = $changeRangeEnd - $last->getAncestorEnd() + $last->getLeftEnd();
            $kind = RangeDifference::RIGHT;
        } else {
            /** @var RangeDifference[] $range */
            $range = $yourIter->getRange();
            $f = $range[0];
            $l = $range[\count($range) - 1];
            $leftStart = $changeRangeStart - $f->getLeftStart() + $f->getRightStart();
            $leftEnd = $changeRangeEnd - $l->getLeftEnd() + $l->getRightEnd();
        }

        if (RangeDifference::ERROR === $kind) {
            // Overlapping change (conflict).
            if (self::rangeSpansEqual(
                $right, $rightStart, $rightEnd - $rightStart, $left, $leftStart, $leftEnd - $leftStart)) {
                $kind = RangeDifference::ANCESTOR;
            } else {
                $kind = RangeDifference::CONFLICT;
            }
        }

        return new RangeDifference(
            $kind,
            $rightStart, $rightEnd - $rightStart,
            $leftStart, $leftEnd - $leftStart,
            $changeRangeStart, $changeRangeEnd - $changeRangeStart);
    }

    /**
     * @param RangeComparatorInterface $right
     * @param int                      $rightStart
     * @param int                      $rightLen
     * @param RangeComparatorInterface $left
     * @param int                      $leftStart
     * @param int                      $leftLen
     * @return bool
     */
    private static function rangeSpansEqual(
        RangeComparatorInterface $right,
        int $rightStart,
        int $rightLen,
        RangeComparatorInterface $left,
        int $leftStart,
        int $leftLen
    ): bool {
        if ($rightLen === $leftLen) {
            for ($i = 0; $i < $rightLen; $i++) {
                if (!self::rangesEqual($right, $rightStart + $i, $left, $leftStart + $i)) {
                    break;
                }
            }

            if ($i === $rightLen) {
                return true;
            }
        }

        return false;
    }

    /**
     * @param RangeComparatorInterface $a
     * @param int                      $ai
     * @param RangeComparatorInterface $b
     * @param int                      $bi
     * @return bool
     */
    private static function rangesEqual(
        RangeComparatorInterface $a,
        int $ai,
        RangeComparatorInterface $b,
        int $bi
    ): bool {
        return $a->rangesEqual($ai, $b, $bi);
    }
}


1		<?php
2		/**
3		* (c) Steve Nebes <[email protected]>
4		*
5		* For the full copyright and license information, please view the LICENSE
6		* file that was distributed with this source code.
7		*/
8
9		declare(strict_types=1);
10
11		namespace SN\DaisyDiff\RangeDifferencer;
12
13		use SN\DaisyDiff\RangeDifferencer\Core\LCSSettings;
14
15		/**
16		* A RangeDifferencer finds the differences between two or three RangeComparatorInterfaces.
17		*
18		* To use the differencer, clients provide an RangeComparatorInterface that breaks their input data into a sequence of
19		* comparable entities. The differencer returns the differences among these sequences as an array of RangeDifference
20		* objects (findDifferences methods). Every RangeDifference represents a single kind of difference and the corresponding
21		* ranges of the underlying comparable entities in the left, right, and optionally ancestor sides.
22		*
23		* Alternatively, the findRanges methods not only return objects for the differing ranges but for non-differing ranges
24		* too.
25		*
26		* The algorithm used is an objectified version of one described in: A File Comparison Program, by Webb Miller and
27		* Eugene W. Myers, Software Practice and Experience, Vol. 15, Nov. 1985.
28		*/
29		final class RangeDifferencer
30		{
31		/**
32		* Prevent class instantiation.
33		*
34		* @codeCoverageIgnore
35		*/
36		private function __construct()
37		{
38		}
39
40		/**
41		* Finds the differences between two RangeComparatorInterfaces. The differences are returned as an array of
42		* RangeDifferences. If no differences are detected an empty array is returned.
43		*
44		* @param RangeComparatorInterface $left
45		* @param RangeComparatorInterface $right
46		* @param LCSSettings $settings
47		* @return RangeDifference[]
48		*/
49	39	public static function findDifferences(
50		RangeComparatorInterface $left,
51		RangeComparatorInterface $right,
52		?LCSSettings $settings = null
53		): array {
54	39	if (null === $settings) {
55	23	$settings = new LCSSettings();
56		}
57
58	39	if (!$settings->isUseGreedyMethod()) {
59	30	return OldDifferencer::findDifferences($left, $right);
60		}
61
62	9	return RangeComparatorLCS::findDifferences($left, $right, $settings);
63		}
64
65		/**
66		* Finds the differences among three RangeComparatorInterfaces. The differences are returned as a list of
67		* RangeDifferences. If no differences are detected an empty list is returned. If the ancestor range comparator is
68		* null, a two-way comparison is performed.
69		*
70		* @param RangeComparatorInterface $ancestor
71		* @param RangeComparatorInterface $left
72		* @param RangeComparatorInterface $right
73		* @param LCSSettings $settings
74		* @return RangeDifference[]
75		*/
76	2	public static function findDifferences3(
77		RangeComparatorInterface $ancestor,
78		RangeComparatorInterface $left,
79		RangeComparatorInterface $right,
80		?LCSSettings $settings = null
81		): array {
82	2	$leftAncestorScript = null;
83	2	$rightAncestorScript = self::findDifferences($ancestor, $right, $settings);
84
85	2	if (!empty($rightAncestorScript)) {
86	2	$leftAncestorScript = self::findDifferences($ancestor, $left, $settings);
87		}
88
89	2	if (empty($leftAncestorScript) \|\| empty($rightAncestorScript)) {
90		return [];
91		}
92
93	2	$myIter = new DifferencesIterator($rightAncestorScript);
94	2	$yourIter = new DifferencesIterator($leftAncestorScript);
95
96		// Prime array with a sentinel.
97	2	$diff3 = [];
98	2	$diff3[] = new RangeDifference(RangeDifference::ERROR);
99
100		// Combine the two-way edit scripts into one.
101	2	while (null !== $myIter->getDifference() \|\| null !== $yourIter->getDifference()) {
102	2	$myIter->removeAll();
103	2	$yourIter->removeAll();
104
105		// Take the next diff that is closer to the start.
106	2	if (null === $myIter->getDifference()) {
107		$startThread = $yourIter;
108	2	} elseif (null === $yourIter->getDifference()) {
109		$startThread = $myIter;
110		} else {
111		// Not at end of both scripts take the lowest range.
112	2	if ($myIter->getDifference()->getLeftStart() <= $yourIter->getDifference()->getLeftStart()) {
113	2	$startThread = $myIter;
114		} else {
115		$startThread = $yourIter;
116		}
117		}
118
119	2	$changeRangeStart = $startThread->getDifference()->getLeftStart();
120	2	$changeRangeEnd = $startThread->getDifference()->getLeftEnd();
121	2	$startThread->next();
122
123		// Check for overlapping changes with other thread merge overlapping changes with this range.
124	2	$other = $startThread->other($myIter, $yourIter);
125
126	2	while (null !== $other->getDifference() && $other->getDifference()->getLeftStart() <= $changeRangeEnd) {
127	2	$newMax = $other->getDifference()->getLeftEnd();
128	2	$other->next();
129
130	2	if ($newMax >= $changeRangeEnd) {
131	2	$changeRangeEnd = $newMax;
132	2	$other = $other->other($myIter, $yourIter);
133		}
134		}
135
136	2	$diff3[] = self::createRangeDifference3(
137	2	$myIter, $yourIter, $diff3,
138	2	$right, $left,
139	2	$changeRangeStart, $changeRangeEnd);
140		}
141
142		// Remove sentinel, the first item in the array.
143	2	\array_shift($diff3);
144
145	2	return $diff3;
146		}
147
148		/**
149		* @param RangeComparatorInterface $left
150		* @param RangeComparatorInterface $right
151		* @param LCSSettings\|null $settings
152		* @return RangeDifference[]
153		*/
154	3	public static function findRanges(
155		RangeComparatorInterface $left,
156		RangeComparatorInterface $right,
157		?LCSSettings $settings = null
158		): array {
159	3	$in = self::findDifferences($left, $right, $settings);
160	3	$out = [];
161
162	3	$mStart = 0;
163	3	$yStart = 0;
164
165	3	for ($i = 0, $iMax = \count($in); $i < $iMax; $i++) {
166	3	$es = $in[$i];
167	3	$rd = new RangeDifference(RangeDifference::NOCHANGE,
168	3	$mStart, $es->getRightStart() - $mStart,
169	3	$yStart, $es->getLeftStart() - $yStart);
170
171	3	if ($rd->getMaxLength() !== 0) {
172	3	$out[] = $rd;
173		}
174
175	3	$out[] = $es;
176
177	3	$mStart = $es->getRightEnd();
178	3	$yStart = $es->getLeftEnd();
179		}
180
181	3	$rd = new RangeDifference(RangeDifference::NOCHANGE,
182	3	$mStart, $right->getRangeCount() - $mStart,
183	3	$yStart, $left->getRangeCount() - $yStart);
184
185	3	if ($rd->getMaxLength() > 0) {
186	3	$out[] = $rd;
187		}
188
189	3	return $out;
190		}
191
192		/**
193		* @param RangeComparatorInterface $ancestor
194		* @param RangeComparatorInterface $left
195		* @param RangeComparatorInterface $right
196		* @param LCSSettings\|null $settings
197		* @return RangeDifference[]
198		*/
199	1	public static function findRanges3(
200		RangeComparatorInterface $ancestor,
201		RangeComparatorInterface $left,
202		RangeComparatorInterface $right,
203		?LCSSettings $settings = null
204		): array {
205	1	$in = self::findDifferences3($ancestor, $left, $right, $settings);
206	1	$out = [];
207
208	1	$mStart = 0;
209	1	$yStart = 0;
210	1	$aStart = 0;
211
212	1	for ($i = 0, $iMax = \count($in); $i < $iMax; $i++) {
213	1	$es = $in[$i];
214	1	$rd = new RangeDifference(RangeDifference::NOCHANGE,
215	1	$mStart, $es->getRightStart() - $mStart,
216	1	$yStart, $es->getLeftStart() - $yStart,
217	1	$aStart, $es->getAncestorStart() - $aStart);
218
219	1	if ($rd->getMaxLength() > 0) {
220	1	$out[] = $rd;
221		}
222
223	1	$out[] = $es;
224
225	1	$mStart = $es->getRightEnd();
226	1	$yStart = $es->getLeftEnd();
227	1	$aStart = $es->getAncestorEnd();
228		}
229
230	1	$rd = new RangeDifference(RangeDifference::NOCHANGE,
231	1	$mStart, $right->getRangeCount() - $mStart,
232	1	$yStart, $left->getRangeCount() - $yStart,
233	1	$aStart, $ancestor->getRangeCount() - $aStart);
234
235	1	if ($rd->getMaxLength() > 0) {
236	1	$out[] = $rd;
237		}
238
239	1	return $out;
240		}
241
242		/**
243		* @param DifferencesIterator $myIter
244		* @param DifferencesIterator $yourIter
245		* @param array $diff3
246		* @param RangeComparatorInterface $right
247		* @param RangeComparatorInterface $left
248		* @param int $changeRangeStart
249		* @param int $changeRangeEnd
250		* @return RangeDifference
251		*/
252	2	private static function createRangeDifference3(
253		DifferencesIterator $myIter,
254		DifferencesIterator $yourIter,
255		array &$diff3,
256		RangeComparatorInterface $right,
257		RangeComparatorInterface $left,
258		int $changeRangeStart = 0,
259		int $changeRangeEnd = 0
260		): RangeDifference {
261	2	$kind = RangeDifference::ERROR;
262
263		/** @var RangeDifference $last */
264	2	$last = $diff3[\count($diff3) - 1];
265
266		// At least one range array must be non-empty.
267	2	\assert($myIter->getCount() > 0 \|\| $yourIter->getCount() > 0);
268
269		// Find corresponding lines to fChangeRangeStart/End in right and left.
270	2	if (0 === $myIter->getCount()) {
271		// Only left changed.
272		$rightStart = $changeRangeStart - $last->getAncestorEnd() + $last->getRightEnd();
273		$rightEnd = $changeRangeEnd - $last->getAncestorEnd() + $last->getRightEnd();
274		$kind = RangeDifference::LEFT;
275		} else {
276		/** @var RangeDifference[] $range */
277	2	$range = $myIter->getRange();
278	2	$f = $range[0];
279	2	$l = $range[\count($range) - 1];
280	2	$rightStart = $changeRangeStart - $f->getLeftStart() + $f->getRightStart();
281	2	$rightEnd = $changeRangeEnd - $l->getLeftEnd() + $l->getRightEnd();
282		}
283
284	2	if (0 === $yourIter->getCount()) {
285		// Only right changed.
286		$leftStart = $changeRangeStart - $last->getAncestorEnd() + $last->getLeftEnd();
287		$leftEnd = $changeRangeEnd - $last->getAncestorEnd() + $last->getLeftEnd();
288		$kind = RangeDifference::RIGHT;
289		} else {
290		/** @var RangeDifference[] $range */
291	2	$range = $yourIter->getRange();
292	2	$f = $range[0];
293	2	$l = $range[\count($range) - 1];
294	2	$leftStart = $changeRangeStart - $f->getLeftStart() + $f->getRightStart();
295	2	$leftEnd = $changeRangeEnd - $l->getLeftEnd() + $l->getRightEnd();
296		}
297
298	2	if (RangeDifference::ERROR === $kind) {
299		// Overlapping change (conflict).
300	2	if (self::rangeSpansEqual(
301	2	$right, $rightStart, $rightEnd - $rightStart, $left, $leftStart, $leftEnd - $leftStart)) {
302		$kind = RangeDifference::ANCESTOR;
303		} else {
304	2	$kind = RangeDifference::CONFLICT;
305		}
306		}
307
308	2	return new RangeDifference(
309	2	$kind,
310	2	$rightStart, $rightEnd - $rightStart,
311	2	$leftStart, $leftEnd - $leftStart,
312	2	$changeRangeStart, $changeRangeEnd - $changeRangeStart);
313		}
314
315		/**
316		* @param RangeComparatorInterface $right
317		* @param int $rightStart
318		* @param int $rightLen
319		* @param RangeComparatorInterface $left
320		* @param int $leftStart
321		* @param int $leftLen
322		* @return bool
323		*/
324	2	private static function rangeSpansEqual(
325		RangeComparatorInterface $right,
326		int $rightStart,
327		int $rightLen,
328		RangeComparatorInterface $left,
329		int $leftStart,
330		int $leftLen
331		): bool {
332	2	if ($rightLen === $leftLen) {
333		for ($i = 0; $i < $rightLen; $i++) {
334		if (!self::rangesEqual($right, $rightStart + $i, $left, $leftStart + $i)) {
335		break;
336		}
337		}
338
339		if ($i === $rightLen) {
340		return true;
341		}
342		}
343
344	2	return false;
345		}
346
347		/**
348		* @param RangeComparatorInterface $a
349		* @param int $ai
350		* @param RangeComparatorInterface $b
351		* @param int $bi
352		* @return bool
353		*/
354		private static function rangesEqual(
355		RangeComparatorInterface $a,
356		int $ai,
357		RangeComparatorInterface $b,
358		int $bi
359		): bool {
360		return $a->rangesEqual($ai, $b, $bi);
361		}
362		}
363

snebes / php-daisydiff

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RangeDifferencer::createRangeDifference3() B

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