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<?php |
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/** |
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* @author stev leibelt <[email protected]> |
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* @since 2015-07-05 |
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*/ |
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namespace Net\Bazzline\Component\Cli\Readline; |
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class Autocomplete |
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{ |
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/** array */ |
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private $configuration; |
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/** |
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* @param string $input |
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* @param int $index |
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* @return array|bool |
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*/ |
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public function __invoke($input, $index) |
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{ |
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return $this->complete($input, $index); |
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} |
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/** |
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* @param string $input |
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* @param int $index |
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* @return array|bool |
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*/ |
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public function complete($input, $index) |
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{ |
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$configuration = $this->configuration; |
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if ($index == 0) { |
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$completion = array_keys($configuration); |
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} else { |
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$buffer = preg_replace('/\s+/', ' ', trim(readline_info('line_buffer'))); |
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$tokens = explode(' ', $buffer); |
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$completion = $this->fetchCompletion($configuration, $tokens); |
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} |
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return $completion; |
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} |
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/** |
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* @param array $configuration |
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* @return $this |
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*/ |
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public function setConfiguration(array $configuration) |
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{ |
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$this->configuration = $configuration; |
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return $this; |
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} |
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/** |
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* @param array $configuration |
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* @param array $tokens |
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* @return array|bool |
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*/ |
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private function fetchCompletion(array $configuration, array &$tokens) |
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{ |
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$completion = false; |
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$index = current($tokens); |
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if (isset($configuration[$index])) { |
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if (next($tokens) !== false) { |
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$completion = $this->fetchCompletion($configuration[$index], $tokens); |
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} else { |
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$arrayOrExecutable = $configuration[$index]; |
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if (is_array($arrayOrExecutable)) { |
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$completion = array_keys($arrayOrExecutable); |
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} else { |
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$completion = false; |
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} |
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} |
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} else { |
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$indexLengthIsGreaterZero = (strlen($index) > 0); |
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if ($indexLengthIsGreaterZero) { |
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$position = strlen($index); |
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$values = array_keys($configuration); |
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$completion = []; |
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foreach ($values as $value) { |
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if (substr($value, 0, $position) === $index) { |
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$completion[] = $value; |
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} |
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} |
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if (empty($completion)) { |
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$completion = false; |
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} |
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} |
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} |
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return $completion; |
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} |
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} |
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bazzline /
php_component_cli_readline
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.