kj
c2931245bb
BREAKING: project commands implementing CommandInterface must define static describe(): string (intentional, forces documentation).
113 lines
3.0 KiB
PHP
113 lines
3.0 KiB
PHP
#!/usr/bin/env php
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<?php
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// CLI del proyecto Duckbrain. Requiere el autoloader del core (proyecto ya
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// armado). Despachador genérico: el primer argumento resuelve primero como
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// nombre de clase del namespace Commands del proyecto y, si no, como alias
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// declarado por una de esas clases (`public static function aliases():
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// array`). Un alias duplicado —o que robe el nombre de otra clase— aborta
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// con error explícito listando ambos dueños. Los comandos implementan
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// Interfaces\CommandInterface (run + describe obligatorios).
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require_once './autoload.php';
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/**
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* @return array<string, string> clase por nombre de archivo (basename => FQCN)
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*/
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function project_commands(): array
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{
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$classes = [];
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foreach (glob(rtrim(ROOT_CORE, '/') . '/Commands/*.php') as $file) {
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$base = basename($file, '.php');
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$class = 'Commands\\' . $base;
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if (class_exists($class) && is_a($class, 'Interfaces\\CommandInterface', true)) {
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$classes[$base] = $class;
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}
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}
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return $classes;
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}
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/**
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* @param array<string, string> $classes
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* @return array<string, string> alias => FQCN
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*/
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function alias_map(array $classes): array
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{
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$map = [];
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$byLower = [];
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foreach ($classes as $base => $class) {
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$byLower[strtolower($base)] = $class;
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}
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foreach ($classes as $base => $class) {
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if (!method_exists($class, 'aliases')) {
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continue;
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}
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foreach ($class::aliases() as $alias) {
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$owner = strtolower($base);
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$key = strtolower((string) $alias);
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if ($key === $owner) {
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continue;
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}
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if (isset($map[$key]) && $map[$key] !== $class) {
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fwrite(STDERR, "Conflicto de alias '{$alias}': lo declaran {$map[$key]} y {$class}.\n");
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exit(1);
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}
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if (isset($byLower[$key])) {
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fwrite(STDERR, "El alias '{$alias}' de {$class} colisiona con el comando {$byLower[$key]}.\n");
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exit(1);
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}
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$map[$key] = $class;
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}
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}
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return $map;
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}
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$classes = project_commands();
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$map = alias_map($classes);
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$command = $argv[1] ?? null;
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if ($command === null) {
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$rev = [];
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foreach ($map as $alias => $class) {
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$rev[$class][] = $alias;
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}
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foreach ($classes as $base => $class) {
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$line = ' ' . strtolower($base);
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if (($rev[$class] ?? []) !== []) {
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$line .= ', ' . implode(', ', $rev[$class]);
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}
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fwrite(STDOUT, $line . ' — ' . $class::describe() . "\n");
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}
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exit(0);
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}
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$direct = 'Commands\\' . ucfirst($command);
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$class = null;
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$slice = 2;
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if (class_exists($direct) && is_a($direct, 'Interfaces\\CommandInterface', true)) {
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$class = $direct;
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} else {
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$class = $map[strtolower($command)] ?? null;
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$slice = $class === null ? $slice : 1;
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}
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if ($class === null) {
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fwrite(STDERR, "Comando desconocido: {$command}\n");
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exit(1);
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}
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$cli = new $class();
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call_user_func_array([$cli, 'run'], array_slice($argv, $slice));
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