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1 <?php
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2 /*
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3 * This file is part of the File_Iterator package.
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4 *
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5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
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6 *
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7 * For the full copyright and license information, please view the LICENSE
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8 * file that was distributed with this source code.
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9 */
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10
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11 /**
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12 * Façade implementation that uses File_Iterator_Factory to create a
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13 * File_Iterator that operates on an AppendIterator that contains an
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14 * RecursiveDirectoryIterator for each given path. The list of unique
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15 * files is returned as an array.
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16 *
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17 * @since Class available since Release 1.3.0
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18 */
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19 class File_Iterator_Facade
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20 {
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21 /**
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22 * @param array|string $paths
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23 * @param array|string $suffixes
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24 * @param array|string $prefixes
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25 * @param array $exclude
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26 * @param bool $commonPath
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27 * @return array
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28 */
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29 public function getFilesAsArray($paths, $suffixes = '', $prefixes = '', array $exclude = array(), $commonPath = FALSE)
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30 {
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31 if (is_string($paths)) {
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32 $paths = array($paths);
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33 }
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34
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35 $factory = new File_Iterator_Factory;
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36 $iterator = $factory->getFileIterator(
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37 $paths, $suffixes, $prefixes, $exclude
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38 );
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39
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40 $files = array();
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41
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42 foreach ($iterator as $file) {
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43 $file = $file->getRealPath();
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44
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45 if ($file) {
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46 $files[] = $file;
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47 }
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48 }
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49
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50 foreach ($paths as $path) {
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51 if (is_file($path)) {
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52 $files[] = realpath($path);
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53 }
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54 }
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55
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56 $files = array_unique($files);
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57 sort($files);
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58
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59 if ($commonPath) {
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60 return array(
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61 'commonPath' => $this->getCommonPath($files),
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62 'files' => $files
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63 );
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64 } else {
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65 return $files;
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66 }
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67 }
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68
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69 /**
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70 * Returns the common path of a set of files.
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71 *
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72 * @param array $files
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73 * @return string
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74 */
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75 protected function getCommonPath(array $files)
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76 {
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77 $count = count($files);
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78
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79 if ($count == 0) {
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80 return '';
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81 }
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82
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83 if ($count == 1) {
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84 return dirname($files[0]) . DIRECTORY_SEPARATOR;
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85 }
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86
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87 $_files = array();
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88
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89 foreach ($files as $file) {
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90 $_files[] = $_fileParts = explode(DIRECTORY_SEPARATOR, $file);
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91
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92 if (empty($_fileParts[0])) {
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93 $_fileParts[0] = DIRECTORY_SEPARATOR;
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94 }
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95 }
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96
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97 $common = '';
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98 $done = FALSE;
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99 $j = 0;
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100 $count--;
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101
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102 while (!$done) {
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103 for ($i = 0; $i < $count; $i++) {
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104 if ($_files[$i][$j] != $_files[$i+1][$j]) {
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105 $done = TRUE;
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106 break;
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107 }
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108 }
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109
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110 if (!$done) {
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111 $common .= $_files[0][$j];
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112
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113 if ($j > 0) {
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114 $common .= DIRECTORY_SEPARATOR;
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115 }
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116 }
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117
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118 $j++;
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119 }
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120
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121 return DIRECTORY_SEPARATOR . $common;
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122 }
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123 }
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