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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\HttpKernel\Debug;
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13
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14 use Symfony\Component\HttpFoundation\Request;
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15 use Symfony\Component\HttpFoundation\RequestStack;
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16 use Symfony\Component\Routing\Exception\ExceptionInterface;
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17 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
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18
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19 /**
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20 * Formats debug file links.
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21 *
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22 * @author Jérémy Romey <jeremy@free-agent.fr>
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23 */
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24 class FileLinkFormatter implements \Serializable
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25 {
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26 private $fileLinkFormat;
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27 private $requestStack;
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28 private $baseDir;
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29 private $urlFormat;
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30
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31 /**
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32 * @param string|\Closure $urlFormat the URL format, or a closure that returns it on-demand
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33 */
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34 public function __construct($fileLinkFormat = null, RequestStack $requestStack = null, $baseDir = null, $urlFormat = null)
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35 {
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36 $fileLinkFormat = $fileLinkFormat ?: ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format');
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37 if ($fileLinkFormat && !\is_array($fileLinkFormat)) {
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38 $i = strpos($f = $fileLinkFormat, '&', max(strrpos($f, '%f'), strrpos($f, '%l'))) ?: \strlen($f);
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39 $fileLinkFormat = [substr($f, 0, $i)] + preg_split('/&([^>]++)>/', substr($f, $i), -1, PREG_SPLIT_DELIM_CAPTURE);
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40 }
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41
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42 $this->fileLinkFormat = $fileLinkFormat;
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43 $this->requestStack = $requestStack;
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44 $this->baseDir = $baseDir;
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45 $this->urlFormat = $urlFormat;
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46 }
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47
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48 public function format($file, $line)
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49 {
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50 if ($fmt = $this->getFileLinkFormat()) {
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51 for ($i = 1; isset($fmt[$i]); ++$i) {
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52 if (0 === strpos($file, $k = $fmt[$i++])) {
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53 $file = substr_replace($file, $fmt[$i], 0, \strlen($k));
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54 break;
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55 }
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56 }
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57
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58 return strtr($fmt[0], ['%f' => $file, '%l' => $line]);
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59 }
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60
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61 return false;
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62 }
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63
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64 /**
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65 * @internal
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66 */
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67 public function serialize()
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68 {
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69 return serialize($this->getFileLinkFormat());
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70 }
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71
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72 /**
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73 * @internal
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74 */
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75 public function unserialize($serialized)
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76 {
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77 if (\PHP_VERSION_ID >= 70000) {
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78 $this->fileLinkFormat = unserialize($serialized, ['allowed_classes' => false]);
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79 } else {
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80 $this->fileLinkFormat = unserialize($serialized);
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81 }
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82 }
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83
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84 /**
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85 * @internal
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86 */
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87 public static function generateUrlFormat(UrlGeneratorInterface $router, $routeName, $queryString)
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88 {
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89 try {
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90 return $router->generate($routeName).$queryString;
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91 } catch (ExceptionInterface $e) {
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92 return null;
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93 }
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94 }
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95
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96 private function getFileLinkFormat()
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97 {
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98 if ($this->fileLinkFormat) {
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99 return $this->fileLinkFormat;
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100 }
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101 if ($this->requestStack && $this->baseDir && $this->urlFormat) {
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102 $request = $this->requestStack->getMasterRequest();
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103 if ($request instanceof Request) {
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104 if ($this->urlFormat instanceof \Closure && !$this->urlFormat = \call_user_func($this->urlFormat)) {
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105 return;
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106 }
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107
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108 return [
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109 $request->getSchemeAndHttpHost().$request->getBasePath().$this->urlFormat,
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110 $this->baseDir.\DIRECTORY_SEPARATOR, '',
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111 ];
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112 }
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113 }
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114 }
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115 }
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