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<?php |
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/* |
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* CSVelte: Slender, elegant CSV for PHP |
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* Inspired by Python's CSV module and Frictionless Data and the W3C's CSV |
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* standardization efforts, CSVelte was written in an effort to take all the |
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* suck out of working with CSV. |
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* |
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* @version {version} |
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* @copyright Copyright (c) 2016 Luke Visinoni <[email protected]> |
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* @author Luke Visinoni <[email protected]> |
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* @license https://github.com/deni-zen/csvelte/blob/master/LICENSE The MIT License (MIT) |
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*/ |
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namespace CSVelte; |
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/** |
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* CSVelte Autoloader. |
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* |
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* For those crazy silly people who aren't using Composer, simply include this |
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* file to have CSVelte's files auto-loaded by PHP. |
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* |
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* @package CSVelte |
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* @subpackage Autoloader |
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* |
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* @since v0.1 |
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*/ |
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class Autoloader |
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{ |
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/** |
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* @var string Constant for namespace separator |
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*/ |
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const NAMESPACE_SEPARATOR = '\\'; |
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/** |
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* An array of paths that will be searched when attempting to load a class. |
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* |
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* @var array |
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*/ |
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protected $paths; |
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/** |
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* Autoloader Constructor. |
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* |
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* @param array $paths Paths to search for classes |
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*/ |
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public function __construct($paths = []) |
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{ |
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$this->paths = explode(PATH_SEPARATOR, get_include_path()); |
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foreach ($paths as $path) { |
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$this->addPath($path); |
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} |
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} |
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/** |
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* Add path to list of search paths. |
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* |
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* Attempts to deduce the absolute (real) path from the path specified by the |
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* $path argument. If successful, the absolute path is added to the search |
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* path list and the method returns true. If one can't be found, it adds $path |
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* to the search path list, as-is and returns false |
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* |
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* @param string $path A path to add to the list of search paths |
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* |
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* @return bool |
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*/ |
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public function addPath($path) |
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{ |
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$paths = $this->getPaths(); |
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if ($rp = realpath($path)) { |
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if (in_array($rp, $paths)) { |
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return true; |
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} |
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$this->paths []= $rp; |
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return true; |
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} |
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$this->paths []= $path; |
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return false; |
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} |
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/** |
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* Retrieve search path list (array). |
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* |
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* Simply returns the array containing all the paths that will be searched |
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* when attempting to load a class. |
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* |
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* @return array An array of paths to search for classes |
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*/ |
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public function getPaths() |
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{ |
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return $this->paths; |
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} |
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/** |
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* Register the autoloader. |
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* |
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* Registers this library's autoload function with the SPL-provided autoload |
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* queue. This allows for CSVelte's autoloader to work its magic without |
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* having to worry about interfering with any other autoloader. |
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* |
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* Also adds all of this class's search paths to PHP's include path. |
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* |
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* @return bool Whatever the return value of spl_autoload_register is |
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* |
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* @see spl_autoload_register |
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*/ |
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public function register() |
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{ |
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set_include_path(implode(PATH_SEPARATOR, $this->getPaths())); |
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spl_autoload_register([$this, 'load']); |
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} |
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/** |
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* Load a class. |
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* |
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* This is the function (or method in this case) used to autoload all of |
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* CSVelte's classes. It need not be called directly, but rather regestered |
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* with the SPL's autoload queue using this class's register method. |
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* |
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* @param string $className The fully qualified class name to load |
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* |
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* @return bool |
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* |
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* @see Autoloader::register() |
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*/ |
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public function load($className) |
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{ |
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if (class_exists($className)) { |
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return; |
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} |
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$fqcp = str_replace(self::NAMESPACE_SEPARATOR, DIRECTORY_SEPARATOR, $className); |
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$paths = $this->getPaths(); |
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foreach ($paths as $path) { |
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$classPath = $path . DIRECTORY_SEPARATOR . $fqcp . '.php'; |
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if (file_exists($classPath) && is_readable($classPath)) { |
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require_once($classPath); |
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return; |
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} |
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} |
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} |
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} |
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nozavroni /
csvelte
