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<?php |
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namespace Schnittstabil\JsonDecodeFile; |
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use KHerGe\File\File; |
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use KHerGe\File\Exception\ResourceException; |
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use Seld\JsonLint\JsonParser; |
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use Seld\JsonLint\ParsingException; |
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use duncan3dc\Bom\Util as BomUtil; |
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/** |
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* Read and decode JSON files. |
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*/ |
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class JsonDecodeFile |
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{ |
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/** |
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* Reads entire file into a string. |
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* |
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* @param string $path the file path |
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* |
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* @return string the read data |
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* |
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* @throws ResourceException |
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*/ |
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protected static function readFile($path) |
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{ |
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// Workaround for https://github.com/kherge-php/file-manager/pull/2 |
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$error = null; |
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set_error_handler(function ($severity, $message, $filename, $lineno) use (&$error) { |
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$error = new \ErrorException($message, 0, $severity, $filename, $lineno); |
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}, E_WARNING); |
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try { |
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$file = new File($path, 'r'); |
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} finally { |
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restore_error_handler(); |
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} |
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if ($error) { |
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// @codeCoverageIgnoreStart |
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throw new ResourceException( |
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"The file \"$path\" could not be opened.", |
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$error |
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); |
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// @codeCoverageIgnoreEnd |
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} |
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return $file->read(); |
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} |
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/** |
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* Converts JSON encoded string into a PHP variable. |
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* |
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* @param string $json JSON string |
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* @param bool $assoc returned objects will be converted into associative arrays |
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* |
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* @return mixed the value encoded in json in appropriate PHP type |
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* |
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* @throws ParsingException |
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* |
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* @SuppressWarnings(PHPMD.BooleanArgumentFlag) |
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*/ |
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protected static function parse($json, $assoc = false) |
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{ |
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$falgs = JsonParser::DETECT_KEY_CONFLICTS; |
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if ($assoc) { |
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$falgs |= JsonParser::PARSE_TO_ASSOC; |
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} |
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$parser = new JsonParser(); |
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return $parser->parse($json, $falgs); |
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} |
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/** |
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* Read and decode a JSON file. |
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* |
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* @see http://php.net/manual/en/function.json-decode.php json_decode documentation |
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* |
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* @param string $path the file path |
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* @param bool $assoc returned objects will be converted into associative arrays |
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* |
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* @return mixed the value encoded in json in appropriate PHP type |
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* |
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* @throws ResourceException |
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* @throws ParsingException |
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* |
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* @SuppressWarnings(PHPMD.BooleanArgumentFlag) |
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* @SuppressWarnings(PHPMD.StaticAccess) |
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*/ |
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public static function call($path, $assoc = false) |
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{ |
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return self::parse(BomUtil::removeBom(self::readFile($path)), $assoc); |
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} |
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} |
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