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<?php |
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/** |
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* Creates the static loader for Pixie WPDB |
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* |
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* Loading this file via the PHP CLI, will see the loader file created or updated. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @author Glynn Quelch <[email protected]> |
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* @license http://www.opensource.org/licenses/mit-license.html MIT License |
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* @package Gin0115\Pixie WPDB |
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* @since 0.0.1 |
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*/ |
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class StaticLoaderCreator |
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{ |
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/** @var string[] Array of file names */ |
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protected array $files = []; |
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/** @var array<int, array{class:string|null, ns:string|null, interface:string|null, trait:string|null, file:string}> Classes */ |
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protected array $classes = []; |
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/** @var string Path to the SRC directory. */ |
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protected $routePath; |
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public function __construct() |
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{ |
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$this->routePath = __DIR__ . DIRECTORY_SEPARATOR . 'src'; |
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} |
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/** |
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* Static initialiser |
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* |
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* @return void |
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*/ |
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public static function run(): void |
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{ |
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$instance = new self(); |
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$instance->getFiles(); |
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$instance->getClassNames(); |
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$instance->writeLoader(); |
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} |
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/** |
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* Get all filenames excluding the loader. |
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* |
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* @return void |
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*/ |
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public function getFiles(): void |
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{ |
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$rii = new RecursiveIteratorIterator( |
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new RecursiveDirectoryIterator($this->routePath) |
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); |
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foreach ($rii as $file) { |
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if ($file->isDir() || $file->getPathname() === $this->routePath . DIRECTORY_SEPARATOR . 'loader.php') { |
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continue; |
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} |
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$this->files[] = $file->getPathname(); |
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} |
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} |
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/** |
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* Compiles the list of classnames with file paths. |
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* |
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* @return void |
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*/ |
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public function getClassNames(): void |
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{ |
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foreach ($this->files as $file) { |
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$classData['class'] = $this->getObjectTypeFromFile($file, T_CLASS); |
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$classData['trait'] = $this->getObjectTypeFromFile($file, T_TRAIT); |
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$classData['interface'] = $this->getObjectTypeFromFile($file, T_INTERFACE); |
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$classData['ns'] = $this->getNamespace($file); |
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$classData['file'] = str_replace($this->routePath, '', $file); |
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$this->classes[] = $classData; |
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} |
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// Set all classes to be required last, allow traits to load first. |
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uasort($this->classes, function ($file1, $file2) { |
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return is_null($file1['class']) ? -1 : 1; |
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}); |
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} |
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/** |
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* Gets the namespace from a file. |
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* |
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* @see https://stackoverflow.com/questions/7153000/get-class-name-from-file/44654073 |
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* @param string $file |
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* @return string|null |
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* @throws \Exception If file not found or empty. |
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*/ |
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public function getNamespace(string $file): ?string |
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{ |
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$src = file_get_contents($file); |
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if (false === $src) { |
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throw new \Exception("Could not read contents of {$file}", 1); |
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} |
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$tokens = token_get_all($src); |
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$count = count($tokens); |
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$i = 0; |
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$namespace = ''; |
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$namespace_ok = false; |
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while ($i < $count) { |
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$token = $tokens[$i]; |
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if (is_array($token) && $token[0] === T_NAMESPACE) { |
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// Found namespace declaration |
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while (++$i < $count) { |
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if ($tokens[$i] === ';') { |
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$namespace_ok = true; |
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$namespace = trim($namespace); |
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break; |
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} |
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$namespace .= is_array($tokens[$i]) ? $tokens[$i][1] : $tokens[$i]; |
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} |
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break; |
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} |
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$i++; |
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} |
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if (!$namespace_ok) { |
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return null; |
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} else { |
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return $namespace; |
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} |
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} |
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/** |
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* get the class name form file path using token |
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* |
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* @see https://stackoverflow.com/questions/7153000/get-class-name-from-file/44654073 |
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* @param string $file |
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* @param int $type |
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* @return string|null |
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*/ |
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protected function getObjectTypeFromFile(string $file, int $type = T_CLASS): ?string |
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{ |
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$src = file_get_contents($file); |
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if (false === $src) { |
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throw new \Exception("Could not read contents of {$file}", 1); |
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} |
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$classes = array(); |
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$tokens = token_get_all($src); |
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$count = count($tokens); |
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for ($i = 2; $i < $count; $i++) { |
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if ( |
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$tokens[$i - 2][0] == $type |
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&& $tokens[$i - 1][0] == T_WHITESPACE |
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&& $tokens[$i][0] == T_STRING |
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) { |
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$class_name = $tokens[$i][1]; |
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$classes[] = $class_name; |
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} |
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} |
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return array_key_exists(0, $classes) ? $classes[0] : null; |
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} |
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/** |
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* Writes the loader.php file. |
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* |
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* @return void |
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*/ |
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public function writeLoader(): void |
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{ |
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$newLine = PHP_EOL; |
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$header = "<?php{$newLine}{$newLine}{$newLine} |
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/** |
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* Pixie WPDB Static Loader |
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* |
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* Just include this file in your theme or plugin to have Pixie loaded and ready to go |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @author Glynn Quelch <[email protected]> |
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* @license http://www.opensource.org/licenses/mit-license.html MIT License |
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* @package Gin0115\Pixie WPDB |
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* @since 0.0.1 |
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*/ |
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// Generated code start..."; |
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$contents = array_map(function ($file, $class) { |
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return sprintf( |
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"if (!%s(%s::class)) { |
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require_once __DIR__ . '%s'; |
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}", |
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$this->getMethodFromToken($class), |
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$this->getFullTokenName($class), |
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$class['file'] |
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); |
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}, array_keys($this->classes), $this->classes); |
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$footer = sprintf("// CREATED ON %s", date('D jS F Y', time())); |
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$file = __DIR__ . DIRECTORY_SEPARATOR . 'src' . DIRECTORY_SEPARATOR . 'loader.php'; |
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touch($file); |
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file_put_contents( |
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$file, |
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join(PHP_EOL, [ |
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$header, |
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join(PHP_EOL, $contents), |
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$footer, '' |
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]) |
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); |
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} |
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/** |
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* Gets the *_exists() method based on the token type. |
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* |
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* @param array{class:string|null, ns:string|null, interface:string|null, trait:string|null, file:string} $token |
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* @return string |
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*/ |
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public function getMethodFromToken(array $token): string |
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{ |
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switch (true) { |
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case ! is_null($token['trait']): |
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return 'trait_exists'; |
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case ! is_null($token['interface']): |
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return 'interface_exists'; |
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default: |
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return 'class_exists'; |
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} |
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} |
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/** |
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* Returns the full (namespaced) token name |
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* |
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* @param array{class:string|null, ns:string|null, interface:string|null, trait:string|null, file:string} $token |
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* @return string |
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*/ |
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public function getFullTokenName(array $token): string |
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{ |
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switch (true) { |
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case ! array_key_exists('ns', $token): |
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return ''; |
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case ! is_null($token['trait']): |
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return $token['ns'] . '\\' . $token['trait']; |
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case ! is_null($token['interface']): |
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return $token['ns'] . '\\' . $token['interface']; |
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case ! is_null($token['class']): |
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return $token['ns'] . '\\' . $token['class']; |
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default: |
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return ''; |
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} |
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} |
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} |
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StaticLoaderCreator::run(); |
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