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<?php |
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/** |
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* GitElephant - An abstraction layer for git written in PHP |
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* Copyright (C) 2013 Matteo Giachino |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see [http://www.gnu.org/licenses/]. |
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*/ |
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namespace GitElephant; |
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/** |
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* Utilities class |
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* |
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* @author Matteo Giachino <[email protected]> |
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*/ |
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class Utilities |
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{ |
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/** |
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* Replace / with the system directory separator |
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* |
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* @param string $path the original path |
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* |
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* @return mixed |
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*/ |
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public static function normalizeDirectorySeparator($path) |
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{ |
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return str_replace(DIRECTORY_SEPARATOR, '/', $path); |
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} |
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/** |
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* explode an array by lines that match a regular expression |
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* |
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* @param array $array the original array, should be a non-associative array |
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* @param string $regexp the regular expression |
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* |
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* @return array an array of array pieces |
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* @throws \InvalidArgumentException |
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*/ |
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public static function pregSplitArray($array, $regexp) |
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{ |
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if (static::isAssociative($array)) { |
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throw new \InvalidArgumentException('pregSplitArray only accepts non-associative arrays.'); |
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} |
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3 |
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$lineNumbers = array(); |
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3 |
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$arrOut = array(); |
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foreach ($array as $i => $line) { |
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if (preg_match($regexp, $line)) { |
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$lineNumbers[] = $i; |
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} |
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} |
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foreach ($lineNumbers as $i => $lineNum) { |
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if (isset($lineNumbers[$i + 1])) { |
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$arrOut[] = array_slice($array, $lineNum, $lineNumbers[$i + 1] - $lineNum); |
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} else { |
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$arrOut[] = array_slice($array, $lineNum); |
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} |
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} |
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return $arrOut; |
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} |
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/** |
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* @param array $array a flat array |
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* @param string $regexp a regular expression |
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* |
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* @return array |
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*/ |
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public static function pregSplitFlatArray($array, $regexp) |
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{ |
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20 |
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$index = 0; |
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$slices = array(); |
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$slice = array(); |
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foreach ($array as $val) { |
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if (preg_match($regexp, $val) && !empty($slice)) { |
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$slices[$index] = $slice; |
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++$index; |
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$slice = array(); |
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} |
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$slice[] = $val; |
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} |
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if (!empty($slice)) { |
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$slices[$index] = $slice; |
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} |
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return $slices; |
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} |
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/** |
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* Tell if an array is associative |
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* |
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* @param array $arr an array |
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* |
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* @return bool |
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*/ |
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public static function isAssociative($arr) |
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{ |
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return array_keys($arr) !== range(0, count($arr) - 1); |
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} |
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} |
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matteosister /
GitElephant
