4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Console\Descriptor;
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;
25 * @author Jean-François Simon <contact@jfsimon.fr>
29 class TextDescriptor extends Descriptor
34 protected function describeInputArgument(InputArgument $argument, array $options = array())
36 if (null !== $argument->getDefault() && (!\is_array($argument->getDefault()) || \count($argument->getDefault()))) {
37 $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($argument->getDefault()));
42 $totalWidth = isset($options['total_width']) ? $options['total_width'] : Helper::strlen($argument->getName());
43 $spacingWidth = $totalWidth - \strlen($argument->getName());
45 $this->writeText(sprintf(' <info>%s</info> %s%s%s',
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()),
57 protected function describeInputOption(InputOption $option, array $options = array())
59 if ($option->acceptValue() && null !== $option->getDefault() && (!\is_array($option->getDefault()) || \count($option->getDefault()))) {
60 $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($option->getDefault()));
66 if ($option->acceptValue()) {
67 $value = '='.strtoupper($option->getName());
69 if ($option->isValueOptional()) {
70 $value = '['.$value.']';
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)
80 $spacingWidth = $totalWidth - Helper::strlen($synopsis);
82 $this->writeText(sprintf(' <info>%s</info> %s%s%s%s',
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()),
88 $option->isArray() ? '<comment> (multiple values allowed)</comment>' : ''
95 protected function describeInputDefinition(InputDefinition $definition, array $options = array())
97 $totalWidth = $this->calculateTotalWidthForOptions($definition->getOptions());
98 foreach ($definition->getArguments() as $argument) {
99 $totalWidth = max($totalWidth, Helper::strlen($argument->getName()));
102 if ($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 $this->writeText("\n");
111 if ($definition->getArguments() && $definition->getOptions()) {
112 $this->writeText("\n");
115 if ($definition->getOptions()) {
116 $laterOptions = array();
118 $this->writeText('<comment>Options:</comment>', $options);
119 foreach ($definition->getOptions() as $option) {
120 if (\strlen($option->getShortcut()) > 1) {
121 $laterOptions[] = $option;
124 $this->writeText("\n");
125 $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
127 foreach ($laterOptions as $option) {
128 $this->writeText("\n");
129 $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
137 protected function describeCommand(Command $command, array $options = array())
139 $command->getSynopsis(true);
140 $command->getSynopsis(false);
141 $command->mergeApplicationDefinition(false);
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);
148 $this->writeText("\n");
150 $definition = $command->getNativeDefinition();
151 if ($definition->getOptions() || $definition->getArguments()) {
152 $this->writeText("\n");
153 $this->describeInputDefinition($definition, $options);
154 $this->writeText("\n");
157 if ($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");
169 protected function describeApplication(Application $application, array $options = array())
171 $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null;
172 $description = new ApplicationDescription($application, $describedNamespace);
174 if (isset($options['raw_text']) && $options['raw_text']) {
175 $width = $this->getColumnWidth($description->getCommands());
177 foreach ($description->getCommands() as $command) {
178 $this->writeText(sprintf("%-{$width}s %s", $command->getName(), $command->getDescription()), $options);
179 $this->writeText("\n");
182 if ('' != $help = $application->getHelp()) {
183 $this->writeText("$help\n\n", $options);
186 $this->writeText("<comment>Usage:</comment>\n", $options);
187 $this->writeText(" command [options] [arguments]\n\n", $options);
189 $this->describeInputDefinition(new InputDefinition($application->getDefinition()->getOptions()), $options);
191 $this->writeText("\n");
192 $this->writeText("\n");
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);
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($commands));
209 if ($describedNamespace) {
210 $this->writeText(sprintf('<comment>Available commands for the "%s" namespace:</comment>', $describedNamespace), $options);
212 $this->writeText('<comment>Available commands:</comment>', $options);
215 foreach ($namespaces as $namespace) {
216 $namespace['commands'] = array_filter($namespace['commands'], function ($name) use ($commands) {
217 return isset($commands[$name]);
220 if (!$namespace['commands']) {
224 if (!$describedNamespace && ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
225 $this->writeText("\n");
226 $this->writeText(' <comment>'.$namespace['id'].'</comment>', $options);
229 foreach ($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);
238 $this->writeText("\n");
245 private function writeText($content, array $options = array())
248 isset($options['raw_text']) && $options['raw_text'] ? strip_tags($content) : $content,
249 isset($options['raw_output']) ? !$options['raw_output'] : true
254 * Formats command aliases to show them in the command description.
258 private function getCommandAliasesText(Command $command)
261 $aliases = $command->getAliases();
264 $text = '['.implode('|', $aliases).'] ';
271 * Formats input option/argument default value.
273 * @param mixed $default
277 private function formatDefaultValue($default)
279 if (INF === $default) {
283 if (\is_string($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($value);
293 return str_replace('\\\\', '\\', json_encode($default, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
297 * @param (Command|string)[] $commands
301 private function getColumnWidth(array $commands)
305 foreach ($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);
312 $widths[] = Helper::strlen($command);
316 return $widths ? max($widths) + 2 : 0;
320 * @param InputOption[] $options
324 private function calculateTotalWidthForOptions(array $options)
327 foreach ($options as $option) {
328 // "-" + shortcut + ", --" + name
329 $nameLength = 1 + max(Helper::strlen($option->getShortcut()), 1) + 4 + Helper::strlen($option->getName());
331 if ($option->acceptValue()) {
332 $valueLength = 1 + Helper::strlen($option->getName()); // = + value
333 $valueLength += $option->isValueOptional() ? 2 : 0; // [ + ]
335 $nameLength += $valueLength;
337 $totalWidth = max($totalWidth, $nameLength);