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[yaffs-website] / vendor / symfony / console / Descriptor / TextDescriptor.php
1 <?php
2
3 /*
4  * This file is part of the Symfony package.
5  *
6  * (c) Fabien Potencier <fabien@symfony.com>
7  *
8  * For the full copyright and license information, please view the LICENSE
9  * file that was distributed with this source code.
10  */
11
12 namespace Symfony\Component\Console\Descriptor;
13
14 use Symfony\Component\Console\Application;
15 use Symfony\Component\Console\Command\Command;
16 use Symfony\Component\Console\Formatter\OutputFormatter;
17 use Symfony\Component\Console\Helper\Helper;
18 use Symfony\Component\Console\Input\InputArgument;
19 use Symfony\Component\Console\Input\InputDefinition;
20 use Symfony\Component\Console\Input\InputOption;
21
22 /**
23  * Text descriptor.
24  *
25  * @author Jean-François Simon <contact@jfsimon.fr>
26  *
27  * @internal
28  */
29 class TextDescriptor extends Descriptor
30 {
31     /**
32      * {@inheritdoc}
33      */
34     protected function describeInputArgument(InputArgument $argument, array $options = array())
35     {
36         if (null !== $argument->getDefault() && (!\is_array($argument->getDefault()) || \count($argument->getDefault()))) {
37             $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($argument->getDefault()));
38         } else {
39             $default = '';
40         }
41
42         $totalWidth = isset($options['total_width']) ? $options['total_width'] : Helper::strlen($argument->getName());
43         $spacingWidth = $totalWidth - \strlen($argument->getName());
44
45         $this->writeText(sprintf('  <info>%s</info>  %s%s%s',
46             $argument->getName(),
47             str_repeat(' ', $spacingWidth),
48             // + 4 = 2 spaces before <info>, 2 spaces after </info>
49             preg_replace('/\s*[\r\n]\s*/', "\n".str_repeat(' ', $totalWidth + 4), $argument->getDescription()),
50             $default
51         ), $options);
52     }
53
54     /**
55      * {@inheritdoc}
56      */
57     protected function describeInputOption(InputOption $option, array $options = array())
58     {
59         if ($option->acceptValue() && null !== $option->getDefault() && (!\is_array($option->getDefault()) || \count($option->getDefault()))) {
60             $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($option->getDefault()));
61         } else {
62             $default = '';
63         }
64
65         $value = '';
66         if ($option->acceptValue()) {
67             $value = '='.strtoupper($option->getName());
68
69             if ($option->isValueOptional()) {
70                 $value = '['.$value.']';
71             }
72         }
73
74         $totalWidth = isset($options['total_width']) ? $options['total_width'] : $this->calculateTotalWidthForOptions(array($option));
75         $synopsis = sprintf('%s%s',
76             $option->getShortcut() ? sprintf('-%s, ', $option->getShortcut()) : '    ',
77             sprintf('--%s%s', $option->getName(), $value)
78         );
79
80         $spacingWidth = $totalWidth - Helper::strlen($synopsis);
81
82         $this->writeText(sprintf('  <info>%s</info>  %s%s%s%s',
83             $synopsis,
84             str_repeat(' ', $spacingWidth),
85             // + 4 = 2 spaces before <info>, 2 spaces after </info>
86             preg_replace('/\s*[\r\n]\s*/', "\n".str_repeat(' ', $totalWidth + 4), $option->getDescription()),
87             $default,
88             $option->isArray() ? '<comment> (multiple values allowed)</comment>' : ''
89         ), $options);
90     }
91
92     /**
93      * {@inheritdoc}
94      */
95     protected function describeInputDefinition(InputDefinition $definition, array $options = array())
96     {
97         $totalWidth = $this->calculateTotalWidthForOptions($definition->getOptions());
98         foreach ($definition->getArguments() as $argument) {
99             $totalWidth = max($totalWidth, Helper::strlen($argument->getName()));
100         }
101
102         if ($definition->getArguments()) {
103             $this->writeText('<comment>Arguments:</comment>', $options);
104             $this->writeText("\n");
105             foreach ($definition->getArguments() as $argument) {
106                 $this->describeInputArgument($argument, array_merge($options, array('total_width' => $totalWidth)));
107                 $this->writeText("\n");
108             }
109         }
110
111         if ($definition->getArguments() && $definition->getOptions()) {
112             $this->writeText("\n");
113         }
114
115         if ($definition->getOptions()) {
116             $laterOptions = array();
117
118             $this->writeText('<comment>Options:</comment>', $options);
119             foreach ($definition->getOptions() as $option) {
120                 if (\strlen($option->getShortcut()) > 1) {
121                     $laterOptions[] = $option;
122                     continue;
123                 }
124                 $this->writeText("\n");
125                 $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
126             }
127             foreach ($laterOptions as $option) {
128                 $this->writeText("\n");
129                 $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
130             }
131         }
132     }
133
134     /**
135      * {@inheritdoc}
136      */
137     protected function describeCommand(Command $command, array $options = array())
138     {
139         $command->getSynopsis(true);
140         $command->getSynopsis(false);
141         $command->mergeApplicationDefinition(false);
142
143         $this->writeText('<comment>Usage:</comment>', $options);
144         foreach (array_merge(array($command->getSynopsis(true)), $command->getAliases(), $command->getUsages()) as $usage) {
145             $this->writeText("\n");
146             $this->writeText('  '.OutputFormatter::escape($usage), $options);
147         }
148         $this->writeText("\n");
149
150         $definition = $command->getNativeDefinition();
151         if ($definition->getOptions() || $definition->getArguments()) {
152             $this->writeText("\n");
153             $this->describeInputDefinition($definition, $options);
154             $this->writeText("\n");
155         }
156
157         if ($help = $command->getProcessedHelp()) {
158             $this->writeText("\n");
159             $this->writeText('<comment>Help:</comment>', $options);
160             $this->writeText("\n");
161             $this->writeText('  '.str_replace("\n", "\n  ", $help), $options);
162             $this->writeText("\n");
163         }
164     }
165
166     /**
167      * {@inheritdoc}
168      */
169     protected function describeApplication(Application $application, array $options = array())
170     {
171         $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null;
172         $description = new ApplicationDescription($application, $describedNamespace);
173
174         if (isset($options['raw_text']) && $options['raw_text']) {
175             $width = $this->getColumnWidth($description->getCommands());
176
177             foreach ($description->getCommands() as $command) {
178                 $this->writeText(sprintf("%-{$width}s %s", $command->getName(), $command->getDescription()), $options);
179                 $this->writeText("\n");
180             }
181         } else {
182             if ('' != $help = $application->getHelp()) {
183                 $this->writeText("$help\n\n", $options);
184             }
185
186             $this->writeText("<comment>Usage:</comment>\n", $options);
187             $this->writeText("  command [options] [arguments]\n\n", $options);
188
189             $this->describeInputDefinition(new InputDefinition($application->getDefinition()->getOptions()), $options);
190
191             $this->writeText("\n");
192             $this->writeText("\n");
193
194             $commands = $description->getCommands();
195             $namespaces = $description->getNamespaces();
196             if ($describedNamespace && $namespaces) {
197                 // make sure all alias commands are included when describing a specific namespace
198                 $describedNamespaceInfo = reset($namespaces);
199                 foreach ($describedNamespaceInfo['commands'] as $name) {
200                     $commands[$name] = $description->getCommand($name);
201                 }
202             }
203
204             // calculate max. width based on available commands per namespace
205             $width = $this->getColumnWidth(\call_user_func_array('array_merge', array_map(function ($namespace) use ($commands) {
206                 return array_intersect($namespace['commands'], array_keys($commands));
207             }, $namespaces)));
208
209             if ($describedNamespace) {
210                 $this->writeText(sprintf('<comment>Available commands for the "%s" namespace:</comment>', $describedNamespace), $options);
211             } else {
212                 $this->writeText('<comment>Available commands:</comment>', $options);
213             }
214
215             foreach ($namespaces as $namespace) {
216                 $namespace['commands'] = array_filter($namespace['commands'], function ($name) use ($commands) {
217                     return isset($commands[$name]);
218                 });
219
220                 if (!$namespace['commands']) {
221                     continue;
222                 }
223
224                 if (!$describedNamespace && ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
225                     $this->writeText("\n");
226                     $this->writeText(' <comment>'.$namespace['id'].'</comment>', $options);
227                 }
228
229                 foreach ($namespace['commands'] as $name) {
230                     $this->writeText("\n");
231                     $spacingWidth = $width - Helper::strlen($name);
232                     $command = $commands[$name];
233                     $commandAliases = $name === $command->getName() ? $this->getCommandAliasesText($command) : '';
234                     $this->writeText(sprintf('  <info>%s</info>%s%s', $name, str_repeat(' ', $spacingWidth), $commandAliases.$command->getDescription()), $options);
235                 }
236             }
237
238             $this->writeText("\n");
239         }
240     }
241
242     /**
243      * {@inheritdoc}
244      */
245     private function writeText($content, array $options = array())
246     {
247         $this->write(
248             isset($options['raw_text']) && $options['raw_text'] ? strip_tags($content) : $content,
249             isset($options['raw_output']) ? !$options['raw_output'] : true
250         );
251     }
252
253     /**
254      * Formats command aliases to show them in the command description.
255      *
256      * @return string
257      */
258     private function getCommandAliasesText(Command $command)
259     {
260         $text = '';
261         $aliases = $command->getAliases();
262
263         if ($aliases) {
264             $text = '['.implode('|', $aliases).'] ';
265         }
266
267         return $text;
268     }
269
270     /**
271      * Formats input option/argument default value.
272      *
273      * @param mixed $default
274      *
275      * @return string
276      */
277     private function formatDefaultValue($default)
278     {
279         if (INF === $default) {
280             return 'INF';
281         }
282
283         if (\is_string($default)) {
284             $default = OutputFormatter::escape($default);
285         } elseif (\is_array($default)) {
286             foreach ($default as $key => $value) {
287                 if (\is_string($value)) {
288                     $default[$key] = OutputFormatter::escape($value);
289                 }
290             }
291         }
292
293         return str_replace('\\\\', '\\', json_encode($default, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
294     }
295
296     /**
297      * @param (Command|string)[] $commands
298      *
299      * @return int
300      */
301     private function getColumnWidth(array $commands)
302     {
303         $widths = array();
304
305         foreach ($commands as $command) {
306             if ($command instanceof Command) {
307                 $widths[] = Helper::strlen($command->getName());
308                 foreach ($command->getAliases() as $alias) {
309                     $widths[] = Helper::strlen($alias);
310                 }
311             } else {
312                 $widths[] = Helper::strlen($command);
313             }
314         }
315
316         return $widths ? max($widths) + 2 : 0;
317     }
318
319     /**
320      * @param InputOption[] $options
321      *
322      * @return int
323      */
324     private function calculateTotalWidthForOptions(array $options)
325     {
326         $totalWidth = 0;
327         foreach ($options as $option) {
328             // "-" + shortcut + ", --" + name
329             $nameLength = 1 + max(Helper::strlen($option->getShortcut()), 1) + 4 + Helper::strlen($option->getName());
330
331             if ($option->acceptValue()) {
332                 $valueLength = 1 + Helper::strlen($option->getName()); // = + value
333                 $valueLength += $option->isValueOptional() ? 2 : 0; // [ + ]
334
335                 $nameLength += $valueLength;
336             }
337             $totalWidth = max($totalWidth, $nameLength);
338         }
339
340         return $totalWidth;
341     }
342 }