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<?php |
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/** |
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* This file is part of the SVN-Buddy library. |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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* |
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* @copyright Alexander Obuhovich <[email protected]> |
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* @link https://github.com/console-helpers/svn-buddy |
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*/ |
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namespace ConsoleHelpers\SVNBuddy\Repository\Parser; |
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class RevisionListParser |
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{ |
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/** |
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* Expands ranges in revision list. |
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* |
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* @param array $revisions Revisions. |
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* @param string $range_separator Range separator. |
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* |
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* @return array |
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* @throws \InvalidArgumentException When inverted range is used. |
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* @throws \InvalidArgumentException When invalid revision is used. |
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*/ |
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public function expandRanges(array $revisions, $range_separator = '-') |
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{ |
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// Since SVN 1.7+ there can be "*" at the end of merged revision or revision range. |
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$ret = array(); |
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$range_regexp = '/^([\d]+)' . preg_quote($range_separator, '/') . '([\d]+)\*?$/'; |
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foreach ( $revisions as $raw_revision ) { |
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if ( preg_match($range_regexp, $raw_revision, $regs) ) { |
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$range_start = (int)$regs[1]; |
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$range_end = (int)$regs[2]; |
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if ( $range_start > $range_end ) { |
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throw new \InvalidArgumentException( |
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'Inverted revision range "' . $raw_revision . '" is not implemented.' |
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); |
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} |
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for ( $i = $range_start; $i <= $range_end; $i++ ) { |
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$ret[$i] = true; |
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} |
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} |
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elseif ( preg_match('/^([\d]+)\*?$/', $raw_revision, $regs) ) { |
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$ret[(int)$regs[1]] = true; |
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} |
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else { |
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throw new \InvalidArgumentException('The "' . $raw_revision . '" revision is invalid.'); |
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} |
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} |
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return array_keys($ret); |
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} |
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/** |
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* Collapses ranges. |
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* |
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* @param array $revisions Revisions. |
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* @param string $range_separator Range separator. |
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* |
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* @return array |
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*/ |
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public function collapseRanges(array $revisions, $range_separator = '-') |
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{ |
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sort($revisions, SORT_NUMERIC); |
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$revisions = array_map('intval', $revisions); |
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$ret = array(); |
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$range_start = $range_end = null; |
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foreach ( $revisions as $revision ) { |
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// New range detected. |
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if ( $range_start === null ) { |
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$range_start = $range_end = $revision; |
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continue; |
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} |
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// Expanding existing range. |
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if ( $range_end + 1 === $revision ) { |
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$range_end = $revision; |
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continue; |
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} |
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$ret[] = $range_start === $range_end ? $range_start : $range_start . $range_separator . $range_end; |
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$range_start = $range_end = $revision; |
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} |
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if ( $range_start !== null && $range_end !== null ) { |
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$ret[] = $range_start === $range_end ? $range_start : $range_start . $range_separator . $range_end; |
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} |
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return $ret; |
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} |
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} |
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console-helpers /
svn-buddy
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