@@ 26-103 (lines=78) @@ | ||
23 | use Psr\Log\LogLevel; |
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24 | use Symfony\Component\Process\Exception\ProcessFailedException; |
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25 | ||
26 | class Head implements FileModifierInterface, LoggerAwareInterface, ProcessFactoryAwareInterface |
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27 | { |
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28 | use OptionalLoggerTrait; |
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29 | use FileProcessTrait; |
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30 | use GetOptionTrait; |
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31 | ||
32 | /** |
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33 | * @var string |
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34 | */ |
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35 | protected $lines; |
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36 | ||
37 | /** |
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38 | * Can this file be modified by this modifier |
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39 | * |
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40 | * @param FileNodeInterface $file |
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41 | * |
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42 | * @return bool |
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43 | */ |
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44 | public function canModify(FileNodeInterface $file) |
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45 | { |
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46 | return (($file instanceof LocalFile) && |
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47 | ($file->exists())); |
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48 | } |
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49 | ||
50 | /** |
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51 | * Modify the file |
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52 | * |
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53 | * @param FileNodeInterface $file |
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54 | * @param array $options List of options: |
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55 | * -lines <string> Number of lines to tail (accepts +/- modifiers) |
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56 | * -postfix <string> (Default: replace) Set this to blank to replace inline |
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57 | * -keepOldFile <bool> (Default: true) |
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58 | * |
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59 | * @return FileNodeInterface |
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60 | */ |
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61 | public function modify(FileNodeInterface $file, array $options = []) |
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62 | { |
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63 | $this->options = $options; |
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64 | $lines = $this->requireOption('lines'); |
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65 | unset($options['lines']); |
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66 | ||
67 | if (!($file instanceof LocalFile)) { |
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68 | throw new InvalidArgumentException("Supplied: $file is not a LocalFile"); |
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69 | } |
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70 | ||
71 | return $this->head($file, $lines, $options); |
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72 | } |
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73 | ||
74 | /** |
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75 | * Tail a file |
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76 | * |
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77 | * @param LocalFile $file |
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78 | * @param string $lines Number of lines to tail (accepts +/- modifiers) |
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79 | * @param array $options List of options: |
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80 | * -postfix <string> (Default: tail) |
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81 | * -keepOldFile <bool> (Default: true) |
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82 | * |
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83 | * @throws ProcessFailedException |
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84 | * @return LocalFile |
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85 | */ |
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86 | public function head(LocalFile $file, $lines, array $options = []) |
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87 | { |
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88 | $this->options = $options; |
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89 | $this->lines = $lines; |
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90 | ||
91 | $postfix = $this->getOption('postfix', 'head'); |
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92 | $output = $this->getTargetFile($file, $postfix); |
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93 | ||
94 | $this->log(LogLevel::INFO, "Retrieving the last {lines} from file {file}", [ |
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95 | 'lines' => $this->lines, |
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96 | 'file' => $file, |
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97 | ]); |
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98 | ||
99 | $cmd = sprintf('head -n %s %s > %s', $this->lines, $file->getPath(), $output->getPath()); |
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100 | ||
101 | return $this->processFile($file, $output, $cmd, $this->getOption('keepOldFile', true)); |
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102 | } |
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103 | } |
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104 |
@@ 26-103 (lines=78) @@ | ||
23 | use Psr\Log\LogLevel; |
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24 | use Symfony\Component\Process\Exception\ProcessFailedException; |
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25 | ||
26 | class Tail implements FileModifierInterface, LoggerAwareInterface, ProcessFactoryAwareInterface |
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27 | { |
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28 | use OptionalLoggerTrait; |
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29 | use FileProcessTrait; |
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30 | use GetOptionTrait; |
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31 | ||
32 | /** |
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33 | * @var string |
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34 | */ |
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35 | protected $lines; |
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36 | ||
37 | /** |
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38 | * Can this file be modified by this modifier |
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39 | * |
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40 | * @param FileNodeInterface $file |
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41 | * |
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42 | * @return bool |
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43 | */ |
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44 | public function canModify(FileNodeInterface $file) |
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45 | { |
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46 | return (($file instanceof LocalFile) && |
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47 | ($file->exists())); |
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48 | } |
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49 | ||
50 | /** |
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51 | * Modify the file |
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52 | * |
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53 | * @param FileNodeInterface $file |
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54 | * @param array $options List of options: |
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55 | * -lines <string> Number of lines to tail (accepts +/- modifiers) |
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56 | * -postfix <string> (Default: replace) Set this to blank to replace inline |
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57 | * -keepOldFile <bool> (Default: true) |
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58 | * |
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59 | * @return FileNodeInterface |
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60 | */ |
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61 | public function modify(FileNodeInterface $file, array $options = []) |
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62 | { |
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63 | $this->options = $options; |
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64 | $lines = $this->requireOption('lines'); |
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65 | unset($options['lines']); |
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66 | ||
67 | if (!($file instanceof LocalFile)) { |
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68 | throw new InvalidArgumentException("Supplied: $file is not a LocalFile"); |
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69 | } |
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70 | ||
71 | return $this->tail($file, $lines, $options); |
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72 | } |
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73 | ||
74 | /** |
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75 | * Tail a file |
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76 | * |
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77 | * @param LocalFile $file |
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78 | * @param string $lines Number of lines to tail (accepts +/- modifiers) |
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79 | * @param array $options List of options: |
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80 | * -postfix <string> (Default: tail) |
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81 | * -keepOldFile <bool> (Default: true) |
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82 | * |
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83 | * @throws ProcessFailedException |
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84 | * @return LocalFile |
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85 | */ |
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86 | public function tail(LocalFile $file, $lines, array $options = []) |
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87 | { |
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88 | $this->options = $options; |
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89 | $this->lines = $lines; |
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90 | ||
91 | $postfix = $this->getOption('postfix', 'tail'); |
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92 | $output = $this->getTargetFile($file, $postfix); |
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93 | ||
94 | $this->log(LogLevel::INFO, "Retrieving the last {lines} from file {file}", [ |
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95 | 'lines' => $this->lines, |
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96 | 'file' => $file, |
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97 | ]); |
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98 | ||
99 | $cmd = sprintf('tail -n %s %s > %s', $this->lines, $file->getPath(), $output->getPath()); |
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100 | ||
101 | return $this->processFile($file, $output, $cmd, $this->getOption('keepOldFile', true)); |
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102 | } |
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103 | } |
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104 |