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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Console; |
| 16 | |
| 17 | /** |
| 18 | * Console help class |
| 19 | * |
| 20 | * @category Pop |
| 21 | * @package Pop\Console |
| 22 | * @author Nick Sagona, III <nick@popphp.org> |
| 23 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 24 | * @license https://www.popphp.org/license New BSD License |
| 25 | * @version 5.0.0 |
| 26 | */ |
| 27 | class Help |
| 28 | { |
| 29 | |
| 30 | /** |
| 31 | * Render the help screen body for a set of commands |
| 32 | * |
| 33 | * @param array $commands |
| 34 | * @param bool $raw |
| 35 | * @param ?string $subCommand |
| 36 | * @param string $indent |
| 37 | * @param ?int $wrap |
| 38 | * @param array $helpColors |
| 39 | * @return string |
| 40 | */ |
| 41 | public function render(array $commands, bool $raw, ?string $subCommand, string $indent, ?int $wrap, array $helpColors): string |
| 42 | { |
| 43 | $response = ''; |
| 44 | $rows = []; |
| 45 | $commandLengths = []; |
| 46 | |
| 47 | foreach ($commands as $key => $command) { |
| 48 | if ($this->matchesSubCommand($command, $subCommand)) { |
| 49 | [$label, $length] = $this->formatHelpLabel($command, $raw, $helpColors); |
| 50 | $rows[$key] = $indent . $label; |
| 51 | $commandLengths[$key] = $length; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | $maxLength = (!empty($commandLengths)) ? max($commandLengths) : 0; |
| 56 | $wrapped = false; |
| 57 | $total = count($rows); |
| 58 | $i = 0; |
| 59 | |
| 60 | foreach ($rows as $key => $row) { |
| 61 | [$line, $wrapped] = $this->buildHelpRow( |
| 62 | $commands[$key], $row, $commandLengths[$key], $maxLength, ($i == $total - 1), $wrapped, $indent, $wrap |
| 63 | ); |
| 64 | $response .= $line; |
| 65 | $i++; |
| 66 | } |
| 67 | |
| 68 | return $response; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Determine if a registered command belongs to the requested subcommand namespace |
| 73 | * |
| 74 | * Matches against the command's bare name with its registered script name (e.g. './app') stripped |
| 75 | * off first, rather than the raw display key, so a subcommand like 'db' or 'db:' correctly matches |
| 76 | * a command named 'db:migrate' without also matching an unrelated command registered under a script |
| 77 | * name that merely happens to start with the same letters (e.g. a script called 'dbapp'). Command |
| 78 | * naming conventions aren't assumed to use any particular delimiter (':', space, or otherwise) since |
| 79 | * the script name is stripped by exact, known value rather than guessed from string structure. |
| 80 | * |
| 81 | * @param Command\CommandInterface $command |
| 82 | * @param ?string $subCommand |
| 83 | * @return bool |
| 84 | */ |
| 85 | protected function matchesSubCommand(Command\CommandInterface $command, ?string $subCommand = null): bool |
| 86 | { |
| 87 | if (empty($subCommand)) { |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | $name = (string)$command->getName(); |
| 92 | |
| 93 | if ($command->hasScriptName()) { |
| 94 | $prefix = $command->getScriptName() . ' '; |
| 95 | if (str_starts_with($name, $prefix)) { |
| 96 | $name = substr($name, strlen($prefix)); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | return str_starts_with($name, $subCommand); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Format a registered command's name/params into a colorized help label |
| 105 | * |
| 106 | * @param Command\CommandInterface $command |
| 107 | * @param bool $raw |
| 108 | * @param array $helpColors |
| 109 | * @return array |
| 110 | */ |
| 111 | protected function formatHelpLabel(Command\CommandInterface $command, bool $raw, array $helpColors): array |
| 112 | { |
| 113 | $name = $command->getName(); |
| 114 | $params = $command->getParams(); |
| 115 | $length = strlen((string)$name); |
| 116 | |
| 117 | if (count($helpColors) > 0) { |
| 118 | $name = $this->colorizeHelpName((string)$name, $raw, $helpColors); |
| 119 | } |
| 120 | |
| 121 | if ($params !== null) { |
| 122 | $length += (strlen((string)$params) + 1); |
| 123 | $name .= $this->colorizeHelpParams($params, $raw, $helpColors); |
| 124 | } |
| 125 | |
| 126 | return [$name, $length]; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Colorize a command name (and its sub-name, if space-separated) for the help screen |
| 131 | * |
| 132 | * @param string $name |
| 133 | * @param bool $raw |
| 134 | * @param array $helpColors |
| 135 | * @return string |
| 136 | */ |
| 137 | protected function colorizeHelpName(string $name, bool $raw, array $helpColors): string |
| 138 | { |
| 139 | if (str_contains($name, ' ')) { |
| 140 | $name1 = substr($name, 0, strpos($name, ' ')); |
| 141 | $name2 = substr($name, strpos($name, ' ') + 1); |
| 142 | if (isset($helpColors[0])) { |
| 143 | $name1 = Color::colorize($name1, $helpColors[0], null, $raw); |
| 144 | } |
| 145 | if (isset($helpColors[1])) { |
| 146 | $name2 = Color::colorize($name2, $helpColors[1], null, $raw); |
| 147 | } |
| 148 | return $name1 . ' ' . $name2; |
| 149 | } else if (isset($helpColors[0])) { |
| 150 | return Color::colorize($name, $helpColors[0], null, $raw); |
| 151 | } |
| 152 | |
| 153 | return $name; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Colorize a command's params for the help screen |
| 158 | * |
| 159 | * @param string $params |
| 160 | * @param bool $raw |
| 161 | * @param array $helpColors |
| 162 | * @return string |
| 163 | */ |
| 164 | protected function colorizeHelpParams(string $params, bool $raw, array $helpColors): string |
| 165 | { |
| 166 | if (str_contains($params, '-') && str_contains($params, '<')) { |
| 167 | $pars = explode(' ', $params); |
| 168 | $optionFirst = str_contains($pars[0], '-'); |
| 169 | $colorIndex = 2; |
| 170 | $colored = ''; |
| 171 | foreach ($pars as $p) { |
| 172 | if (isset($helpColors[3]) && |
| 173 | (($optionFirst) && str_contains($p, '<')) || ((!$optionFirst) && str_contains($p, '-'))) { |
| 174 | $colorIndex = 3; |
| 175 | } |
| 176 | $colored .= ' ' . ((isset($helpColors[$colorIndex])) ? |
| 177 | Color::colorize($p, $helpColors[$colorIndex], null, $raw) : $p); |
| 178 | } |
| 179 | return $colored; |
| 180 | } |
| 181 | |
| 182 | return ' ' . ((isset($helpColors[2])) ? |
| 183 | Color::colorize($params, $helpColors[2], null, $raw) : $params); |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Build one command's row for the help screen, wrapping its help text if needed |
| 188 | * |
| 189 | * @param Command\CommandInterface $command |
| 190 | * @param string $label |
| 191 | * @param int $length |
| 192 | * @param int $maxLength |
| 193 | * @param bool $isLast |
| 194 | * @param bool $wrapped |
| 195 | * @param string $indent |
| 196 | * @param ?int $wrap |
| 197 | * @return array |
| 198 | */ |
| 199 | protected function buildHelpRow( |
| 200 | Command\CommandInterface $command, string $label, int $length, int $maxLength, bool $isLast, bool $wrapped, |
| 201 | string $indent, ?int $wrap |
| 202 | ): array |
| 203 | { |
| 204 | if (!$command->hasHelp()) { |
| 205 | return [$label . $command->getHelp() . PHP_EOL, $wrapped]; |
| 206 | } |
| 207 | |
| 208 | $help = $command->getHelp(); |
| 209 | $pad = ($length < $maxLength) ? |
| 210 | str_repeat(' ', $maxLength - $length) . ' ' : ' '; |
| 211 | |
| 212 | if (strlen((string)$command . $pad . $help) <= $wrap) { |
| 213 | return [$label . $pad . $help . PHP_EOL, false]; |
| 214 | } |
| 215 | |
| 216 | $row = ($wrapped) ? '' : PHP_EOL; |
| 217 | $offset = $wrap - strlen((string)$command . $pad); |
| 218 | $lines = explode(PHP_EOL, wordwrap($help, $offset, PHP_EOL)); |
| 219 | foreach ($lines as $lineIndex => $line) { |
| 220 | $row .= ($lineIndex == 0) ? |
| 221 | $label . $pad . $line . PHP_EOL : |
| 222 | $indent . str_repeat(' ', strlen((string)$command)) . $pad . $line . PHP_EOL; |
| 223 | } |
| 224 | |
| 225 | if (!$isLast) { |
| 226 | $row .= PHP_EOL; |
| 227 | } |
| 228 | |
| 229 | return [$row, true]; |
| 230 | } |
| 231 | |
| 232 | } |