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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celemas\Cli; |
| 6 | |
| 7 | final class Output |
| 8 | { |
| 9 | private mixed $stream = null; |
| 10 | private mixed $errorStream = null; |
| 11 | private ?int $width = null; |
| 12 | private array $fg = [ |
| 13 | 'black' => [0, 30], |
| 14 | 'gray' => [1, 30], |
| 15 | 'grey' => [1, 30], |
| 16 | 'red' => [0, 31], |
| 17 | 'lightred' => [1, 31], |
| 18 | 'green' => [0, 32], |
| 19 | 'lightgreen' => [1, 32], |
| 20 | 'brown' => [0, 33], |
| 21 | 'yellow' => [1, 33], |
| 22 | 'blue' => [0, 34], |
| 23 | 'lightblue' => [1, 34], |
| 24 | 'purple' => [0, 35], |
| 25 | 'lightpurple' => [1, 35], |
| 26 | 'magenta' => [0, 35], |
| 27 | 'lightmagenta' => [1, 35], |
| 28 | 'cyan' => [0, 36], |
| 29 | 'lightcyan' => [1, 36], |
| 30 | 'lightgray' => [0, 37], |
| 31 | 'lightgrey' => [0, 37], |
| 32 | 'white' => [1, 37], |
| 33 | ]; |
| 34 | private array $bg = [ |
| 35 | 'black' => 40, |
| 36 | 'red' => 41, |
| 37 | 'green' => 42, |
| 38 | 'yellow' => 43, |
| 39 | 'blue' => 44, |
| 40 | 'purple' => 45, |
| 41 | 'magenta' => 45, |
| 42 | 'cyan' => 46, |
| 43 | 'gray' => 47, |
| 44 | 'grey' => 47, |
| 45 | 'white' => 47, |
| 46 | ]; |
| 47 | |
| 48 | public function __construct( |
| 49 | protected readonly string $target = 'php://output', |
| 50 | protected readonly string $errorTarget = 'php://stderr', |
| 51 | ) {} |
| 52 | |
| 53 | public function echo(string $text, string $color = '', string $background = ''): void |
| 54 | { |
| 55 | $this->write($this->stdout(), $this->styled($text, $color, $background)); |
| 56 | } |
| 57 | |
| 58 | public function echoln(string $text, string $color = '', string $background = ''): void |
| 59 | { |
| 60 | $this->write($this->stdout(), $this->styled($text, $color, $background) . PHP_EOL); |
| 61 | } |
| 62 | |
| 63 | public function echoErr(string $text, string $color = '', string $background = ''): void |
| 64 | { |
| 65 | $this->write($this->stderr(), $this->styled($text, $color, $background)); |
| 66 | } |
| 67 | |
| 68 | public function echolnErr(string $text, string $color = '', string $background = ''): void |
| 69 | { |
| 70 | $this->write($this->stderr(), $this->styled($text, $color, $background) . PHP_EOL); |
| 71 | } |
| 72 | |
| 73 | private function styled(string $text, string $color, string $background): string |
| 74 | { |
| 75 | return $color || $background ? $this->color($text, $color, $background) : $text; |
| 76 | } |
| 77 | |
| 78 | private function write(mixed $stream, string $text): void |
| 79 | { |
| 80 | fwrite($stream, $text); |
| 81 | fflush($stream); |
| 82 | } |
| 83 | |
| 84 | public function color(string $text, string $color = '', string $background = ''): string |
| 85 | { |
| 86 | if (!$this->hasColorSupport()) { |
| 87 | return $text; |
| 88 | } |
| 89 | |
| 90 | $colorCode = ''; |
| 91 | $backgroundCode = ''; |
| 92 | |
| 93 | if ($color && array_key_exists($color, $this->fg)) { |
| 94 | [$first, $second] = $this->fg[$color]; |
| 95 | $colorCode = "{$first};{$second}"; |
| 96 | } |
| 97 | |
| 98 | if ($background && array_key_exists($background, $this->bg)) { |
| 99 | $backgroundCode = $this->bg[$background]; |
| 100 | } |
| 101 | |
| 102 | return $this->formatText($text, $colorCode, $backgroundCode); |
| 103 | } |
| 104 | |
| 105 | public function indent( |
| 106 | string $text, |
| 107 | int $indent, |
| 108 | ?int $max = null, |
| 109 | ): string { |
| 110 | $spaces = str_repeat(' ', $indent); |
| 111 | $width = $this->terminalWidth() - $indent; |
| 112 | |
| 113 | if ($max !== null && $max < $width) { |
| 114 | $width = $max; |
| 115 | } |
| 116 | |
| 117 | $lines = explode("\n", wordwrap($text, $width, break: "\n")); |
| 118 | |
| 119 | return implode("\n", array_map(static fn($line) => $spaces . $line, $lines)); |
| 120 | } |
| 121 | |
| 122 | private function terminalWidth(): int |
| 123 | { |
| 124 | if ($this->width !== null) { |
| 125 | return $this->width; |
| 126 | } |
| 127 | |
| 128 | $columns = (int) getenv('COLUMNS'); |
| 129 | |
| 130 | if ($columns < 1) { |
| 131 | /** @psalm-suppress ForbiddenCode */ |
| 132 | $columns = (int) shell_exec('tput cols'); |
| 133 | } |
| 134 | |
| 135 | if ($columns < 1) { |
| 136 | // @codeCoverageIgnoreStart |
| 137 | $columns = 80; |
| 138 | |
| 139 | // @codeCoverageIgnoreEnd |
| 140 | } |
| 141 | |
| 142 | return $this->width = $columns; |
| 143 | } |
| 144 | |
| 145 | private function formatText(string $text, string $colorCode, string|int $backgroundCode): string |
| 146 | { |
| 147 | if ($colorCode && $backgroundCode) { |
| 148 | return "\033[{$colorCode};{$backgroundCode}m{$text}\033[0m"; |
| 149 | } |
| 150 | |
| 151 | if ($colorCode) { |
| 152 | return "\033[{$colorCode}m{$text}\033[0m"; |
| 153 | } |
| 154 | |
| 155 | if ($backgroundCode) { |
| 156 | return "\033[{$backgroundCode}m{$text}\033[0m"; |
| 157 | } |
| 158 | |
| 159 | return $text; |
| 160 | } |
| 161 | |
| 162 | private function stdout(): mixed |
| 163 | { |
| 164 | return $this->stream ??= fopen($this->target, mode: 'w'); |
| 165 | } |
| 166 | |
| 167 | private function stderr(): mixed |
| 168 | { |
| 169 | return $this->errorStream ??= fopen($this->errorTarget, mode: 'w'); |
| 170 | } |
| 171 | |
| 172 | private function hasColorSupport(): bool |
| 173 | { |
| 174 | if (getenv('NO_COLOR') !== false) { |
| 175 | return false; |
| 176 | } |
| 177 | |
| 178 | // @codeCoverageIgnoreStart |
| 179 | if (getenv('FORCE_COLOR') !== false || getenv('COLORTERM') !== false) { |
| 180 | return true; |
| 181 | } |
| 182 | |
| 183 | // Windows |
| 184 | if (DIRECTORY_SEPARATOR === '\\') { |
| 185 | if (function_exists('sapi_windows_vt100_support')) { |
| 186 | return sapi_windows_vt100_support(STDOUT); |
| 187 | } |
| 188 | |
| 189 | return ( |
| 190 | getenv('ANSICON') !== false |
| 191 | || getenv('ConEmuANSI') === 'ON' |
| 192 | || getenv('TERM') === 'xterm' |
| 193 | ); |
| 194 | } |
| 195 | |
| 196 | if (function_exists('stream_isatty')) { |
| 197 | return stream_isatty(STDOUT); |
| 198 | } |
| 199 | |
| 200 | return false; |
| 201 | |
| 202 | // @codeCoverageIgnoreEnd |
| 203 | } |
| 204 | } |