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<?php /** * @package Joomla.Component.Builder * * @created 4th September, 2022 * @author Llewellyn van der Merwe <https://dev.vdm.io> * @git Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder> * @copyright Copyright (C) 2015 Vast Development Method. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace VDM\Joomla\Componentbuilder\Compiler\Power; use VDM\Joomla\Componentbuilder\Compiler\Power; use VDM\Joomla\Componentbuilder\Compiler\Config; use VDM\Joomla\Componentbuilder\Compiler\Builder\ContentOne as Content; use VDM\Joomla\Componentbuilder\Compiler\Utilities\Line; use VDM\Joomla\Componentbuilder\Compiler\Utilities\Indent; use VDM\Joomla\Utilities\ArrayHelper; /* * Compiler Autoloader * * @since 3.2.0 / class Autoloader { /* * The Power Class. * * @var Power * @since 3.2.0 / protected Power $power; /* * The Config Class. * * @var Config * @since 3.2.0 / protected Config $config; /* * The ContentOne Class. * * @var Content * @since 3.2.0 / protected Content $content; /* * Installer Class Autoloader * * @var string * @since 5.0.2 / protected string $installerhelper = ''; / * Helper Class Autoloader * * @var string * @since 3.2.0 / protected string $helper = ''; / * Constructor. * * @param Power $power The Power Class. * @param Config $config The Config Class. * @param Content $content The Content One Class. * * @since 3.2.0 / public function __construct(Power $power, Config $config, Content $content) { $this->power = $power; $this->config = $config; $this->content = $content; // reset all autoloaders power placeholders $this->content->set('ADMIN_POWER_HELPER', ''); $this->content->set('SITE_POWER_HELPER', ''); $this->content->set('INSTALLER_POWER_HELPER', ''); $this->content->set('PLUGIN_POWER_AUTOLOADER', ''); $this->content->set('SITE_PLUGIN_POWER_AUTOLOADER', ''); $this->content->set('POWER_AUTOLOADER', ''); $this->content->set('ONE_POWER_AUTOLOADER', ''); $this->content->set('TWO_POWER_AUTOLOADER', ''); $this->content->set('THREE_POWER_AUTOLOADER', ''); $this->content->set('FOUR_POWER_AUTOLOADER', ''); $this->content->set('SITE_POWER_AUTOLOADER', ''); $this->content->set('SITE_ONE_POWER_AUTOLOADER', ''); $this->content->set('SITE_TWO_POWER_AUTOLOADER', ''); $this->content->set('SITE_THREE_POWER_AUTOLOADER', ''); $this->content->set('SITE_FOUR_POWER_AUTOLOADER', ''); $this->content->set('INSTALLER_POWER_AUTOLOADER_ARRAY', ''); } /* * Set the autoloader into the active content array * * @return void * @since 3.2.0 / public function setFiles() { // for plugins $this->content->set('PLUGIN_POWER_AUTOLOADER', PHP_EOL . PHP_EOL . $this->getAutoloaderFile(2)); $this->content->set('SITE_PLUGIN_POWER_AUTOLOADER', PHP_EOL . PHP_EOL . $this->getAutoloaderFile(2, 'JPATH_SITE')); // for site spaced special cases $this->content->set('SITE_ONE_POWER_AUTOLOADER', $this->getAutoloaderFile(1, 'JPATH_SITE')); $this->content->set('SITE_TWO_POWER_AUTOLOADER', $this->getAutoloaderFile(2, 'JPATH_SITE')); $this->content->set('SITE_THREE_POWER_AUTOLOADER', $this->getAutoloaderFile(3, 'JPATH_SITE')); $this->content->set('SITE_FOUR_POWER_AUTOLOADER', $this->getAutoloaderFile(4, 'JPATH_SITE')); // for admin spaced special cases $this->content->set('ONE_POWER_AUTOLOADER', $this->getAutoloaderFile(1)); $this->content->set('TWO_POWER_AUTOLOADER', $this->getAutoloaderFile(2)); $this->content->set('THREE_POWER_AUTOLOADER', $this->getAutoloaderFile(3)); $this->content->set('FOUR_POWER_AUTOLOADER', $this->getAutoloaderFile(4)); // to add to custom files $this->content->add('POWER_AUTOLOADER', $this->getAutoloaderFile(0)); $this->content->add('SITE_POWER_AUTOLOADER', $this->getAutoloaderFile(0, 'JPATH_SITE')); // to add to install file $this->content->add('INSTALLER_POWER_AUTOLOADER_ARRAY', $this->getAutoloaderInstallArray()); } /* * Set the autoloader into the active content array * * @return void * @since 3.2.0 / public function set() { // make sure we only load this once if (ArrayHelper::check($this->power->namespace) && !$this->content->isString('ADMIN_POWER_HELPER')) { / ******************** IMPORTANT SORT NOTICE *************************************** * make sure the name space values are sorted from the longest string to the shortest * so that the search do not mistakenly match a shorter namespace before a longer one * that has the same short namespace for example: * NameSpace\SubName\Sub <- will always match first * NameSpace\SubName\SubSubName * Should the shorter namespace be listed [first] it will match both of these: * NameSpace\SubName\Sub\ClassName * ^^^^^^^^^^^^^^^^^^^^^^ * NameSpace\SubName\SubSubName\ClassName * ^^^^^^^^^^^^^^^^^^^^^^ *****************************************************************************************/ uksort($this->power->namespace, fn($a, $b) => strlen((string) $b) - strlen((string) $a)); // load to admin helper class $this->content->add('ADMIN_POWER_HELPER', $this->getAutoloaderCode()); // load to site helper class if needed $this->content->add('SITE_POWER_HELPER', $this->getAutoloaderCode()); // load to installer helper class if needed $this->content->add('INSTALLER_POWER_HELPER', $this->getAutoloaderInstallerCode()); } } / * Get autoloader code * * @return string * @since 3.2.0 / private function getAutoloaderCode(): string { // check if it was already build if (!empty($this->helper)) { return $this->helper; } // load the code $code = []; // add the composer stuff here if (($script = $this->getComposer()) !== null) { $code[] = $script; } // get the helper autoloader if (($script = $this->getAutoloader()) !== null) { $code[] = $script; } // if we have any if (!empty($code)) { $this->helper = PHP_EOL . PHP_EOL . implode(PHP_EOL . PHP_EOL, $code); } return $this->helper; } /* * Get autoloader file * * @param int $tabSpace The dynamic tab spacer * @param string $area The target area * * @return string\|null * @since 3.2.1 / private function getAutoloaderFile(int $tabSpace, string $area = 'JPATH_ADMINISTRATOR'): ?string { // we start building the autoloader file loader $autoload_file = []; $autoload_file[] = Indent::_($tabSpace) . '//' . Line::_(__Line__, __Class__) . " The power autoloader for this project ($area) area."; $autoload_file[] = Indent::_($tabSpace) . "\$power_autoloader = $area . '/components/com_" . $this->config->get('component_code_name', 'ERROR') . '/' . $this->config->get('component_autoloader_path', 'ERROR') . "';"; $autoload_file[] = Indent::_($tabSpace) . 'if (file_exists($power_autoloader))'; $autoload_file[] = Indent::_($tabSpace) . '{'; $autoload_file[] = Indent::_($tabSpace) . Indent::_(1) . 'require_once $power_autoloader;'; $autoload_file[] = Indent::_($tabSpace) . '}'; return implode(PHP_EOL, $autoload_file); } /* * Get autoloader code * * @return string\|null * @since 3.2.0 / private function getAutoloader(): ?string { if (($size = ArrayHelper::check($this->power->namespace)) > 0) { // we start building the spl_autoload_register function call $autoload_method = []; $autoload_method[] = '//' . Line::_(__Line__, __Class__) . ' register additional namespace'; $autoload_method[] = 'spl_autoload_register(function ($class) {'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' project-specific base directories and namespace prefix'; $autoload_method[] = Indent::_(1) . '$search = ['; // counter to manage the comma in the actual array $counter = 1; foreach ($this->power->namespace as $base_dir => $prefix) { // don't add the ending comma on last value if ($size == $counter) { $autoload_method[] = Indent::_(2) . "'" . $this->config->get('jcb_powers_path', 'libraries/jcb_powers') . "/$base_dir' => '" . implode('\\\\', $prefix) . "'"; } else { $autoload_method[] = Indent::_(2) . "'" . $this->config->get('jcb_powers_path', 'libraries/jcb_powers') . "/$base_dir' => '" . implode('\\\\', $prefix) . "',"; } $counter++; } $autoload_method[] = Indent::_(1) . '];'; $autoload_method[] = Indent::_(1) . '// Start the search and load if found'; $autoload_method[] = Indent::_(1) . '$found = false;'; $autoload_method[] = Indent::_(1) . '$found_base_dir = "";'; $autoload_method[] = Indent::_(1) . '$found_len = 0;'; $autoload_method[] = Indent::_(1) . 'foreach ($search as $base_dir => $prefix)'; $autoload_method[] = Indent::_(1) . '{'; $autoload_method[] = Indent::_(2) . '//' . Line::_(__Line__, __Class__) . ' does the class use the namespace prefix?'; $autoload_method[] = Indent::_(2) . '$len = strlen($prefix);'; $autoload_method[] = Indent::_(2) . 'if (strncmp($prefix, $class, $len) === 0)'; $autoload_method[] = Indent::_(2) . '{'; $autoload_method[] = Indent::_(3) . '//' . Line::_(__Line__, __Class__) . ' we have a match so load the values'; $autoload_method[] = Indent::_(3) . '$found = true;'; $autoload_method[] = Indent::_(3) . '$found_base_dir = $base_dir;'; $autoload_method[] = Indent::_(3) . '$found_len = $len;'; $autoload_method[] = Indent::_(3) . '//' . Line::_(__Line__, __Class__) . ' done here'; $autoload_method[] = Indent::_(3) . 'break;'; $autoload_method[] = Indent::_(2) . '}'; $autoload_method[] = Indent::_(1) . '}'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' check if we found a match'; $autoload_method[] = Indent::_(1) . 'if (!$found)'; $autoload_method[] = Indent::_(1) . '{'; $autoload_method[] = Indent::_(2) . '//' . Line::_(__Line__, __Class__) . ' not found so move to the next registered autoloader'; $autoload_method[] = Indent::_(2) . 'return;'; $autoload_method[] = Indent::_(1) . '}'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' get the relative class name'; $autoload_method[] = Indent::_(1) . '$relative_class = substr($class, $found_len);'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' replace the namespace prefix with the base directory, replace namespace'; $autoload_method[] = Indent::_(1) . '// separators with directory separators in the relative class name, append'; $autoload_method[] = Indent::_(1) . '// with .php'; $autoload_method[] = Indent::_(1) . "\$file = JPATH_ROOT . '/' . \$found_base_dir . '/src' . str_replace('\\\\', '/', \$relative_class) . '.php';"; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' if the file exists, require it'; $autoload_method[] = Indent::_(1) . 'if (file_exists($file))'; $autoload_method[] = Indent::_(1) . '{'; $autoload_method[] = Indent::_(2) . 'require $file;'; $autoload_method[] = Indent::_(1) . '}'; $autoload_method[] = '});'; return implode(PHP_EOL, $autoload_method); } return null; } /* * Get the composer autoloader routine * * @return string\|null * @since 3.2.0 / private function getComposer(): ?string { if (ArrayHelper::check($this->power->composer)) { // load the composer routine $composer_routine = []; // counter to manage the comma in the actual array $add_once = []; foreach ($this->power->composer as $access_point) { // don't add the ending comma on last value if (empty($add_once[$access_point])) { $composer_routine[] = "\$composer_autoloader = JPATH_LIBRARIES . '/$access_point';"; $composer_routine[] = 'if (file_exists($composer_autoloader))'; $composer_routine[] = "{"; $composer_routine[] = Indent::_(1) . 'require_once $composer_autoloader;'; $composer_routine[] = "}"; $add_once[$access_point] = true; } } // this is just about the [autoloader or autoloaders] in the comment ;) if (count($add_once) == 1) { array_unshift($composer_routine, '//' . Line::_(__Line__, __Class__) . ' add the autoloader for the composer classes'); } else { array_unshift($composer_routine, '//' . Line::_(__Line__, __Class__) . ' add the autoloaders for the composer classes'); } return implode(PHP_EOL, $composer_routine); } return null; } /* * Get autoloaders for install file * * @return string * @since 5.0.2 / private function getAutoloaderInstallArray(): string { // we start building the autoloader file loader $autoload_file = []; $autoload_file[] = PHP_EOL . Indent::_(3) . "__DIR__ . '/" . $this->config->get('component_installer_autoloader_path', 'ERROR') . "',"; $autoload_file[] = Indent::_(3) . "JPATH_ADMINISTRATOR . '/components/com_" . $this->config->get('component_code_name', 'ERROR') . '/' . $this->config->get('component_autoloader_path', 'ERROR') . "'" . PHP_EOL . Indent::_(2); return implode(PHP_EOL, $autoload_file); } /* * Get installer autoloader code * * @return string * @since 5.0.2 / private function getAutoloaderInstallerCode(): string { // check if it was already build if (!empty($this->installerhelper)) { return $this->installerhelper; } // load the code $code = []; // add the composer stuff here // if (($script = $this->getInstallerComposer()) !== null) // { // $code[] = $script; // } // get the helper autoloader if (($script = $this->getInstallerAutoloader()) !== null) { $code[] = $script; } // if we have any if (!empty($code)) { $this->installerhelper = PHP_EOL . PHP_EOL . implode(PHP_EOL . PHP_EOL, $code); } return $this->installerhelper; } /* * Get autoloader code * * * @return string\|null * @since 3.2.0 / private function getInstallerAutoloader(): ?string { if (($size = ArrayHelper::check($this->power->namespace)) > 0) { // we start building the spl_autoload_register function call $autoload_method = []; $autoload_method[] = '//' . Line::_(__Line__, __Class__) . ' register additional namespace'; $autoload_method[] = 'spl_autoload_register(function ($class) {'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' project-specific base directories and namespace prefix'; $autoload_method[] = Indent::_(1) . '$search = ['; // counter to manage the comma in the actual array $counter = 1; foreach ($this->power->namespace as $base_dir => $prefix) { // don't add the ending comma on last value if ($size == $counter) { $autoload_method[] = Indent::_(2) . "'" . $this->config->get('jcb_powers_path', 'libraries/jcb_powers') . "/$base_dir' => '" . implode('\\\\', $prefix) . "'"; } else { $autoload_method[] = Indent::_(2) . "'" . $this->config->get('jcb_powers_path', 'libraries/jcb_powers') . "/$base_dir' => '" . implode('\\\\', $prefix) . "',"; } $counter++; } $autoload_method[] = Indent::_(1) . '];'; $autoload_method[] = Indent::_(1) . '// Start the search and load if found'; $autoload_method[] = Indent::_(1) . '$found = false;'; $autoload_method[] = Indent::_(1) . '$found_base_dir = "";'; $autoload_method[] = Indent::_(1) . '$found_len = 0;'; $autoload_method[] = Indent::_(1) . 'foreach ($search as $base_dir => $prefix)'; $autoload_method[] = Indent::_(1) . '{'; $autoload_method[] = Indent::_(2) . '//' . Line::_(__Line__, __Class__) . ' does the class use the namespace prefix?'; $autoload_method[] = Indent::_(2) . '$len = strlen($prefix);'; $autoload_method[] = Indent::_(2) . 'if (strncmp($prefix, $class, $len) === 0)'; $autoload_method[] = Indent::_(2) . '{'; $autoload_method[] = Indent::_(3) . '//' . Line::_(__Line__, __Class__) . ' we have a match so load the values'; $autoload_method[] = Indent::_(3) . '$found = true;'; $autoload_method[] = Indent::_(3) . '$found_base_dir = $base_dir;'; $autoload_method[] = Indent::_(3) . '$found_len = $len;'; $autoload_method[] = Indent::_(3) . '//' . Line::_(__Line__, __Class__) . ' done here'; $autoload_method[] = Indent::_(3) . 'break;'; $autoload_method[] = Indent::_(2) . '}'; $autoload_method[] = Indent::_(1) . '}'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' check if we found a match'; $autoload_method[] = Indent::_(1) . 'if (!$found)'; $autoload_method[] = Indent::_(1) . '{'; $autoload_method[] = Indent::_(2) . '//' . Line::_(__Line__, __Class__) . ' not found so move to the next registered autoloader'; $autoload_method[] = Indent::_(2) . 'return;'; $autoload_method[] = Indent::_(1) . '}'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' get the relative class name'; $autoload_method[] = Indent::_(1) . '$relative_class = substr($class, $found_len);'; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' replace the namespace prefix with the base directory, replace namespace'; $autoload_method[] = Indent::_(1) . '// separators with directory separators in the relative class name, append'; $autoload_method[] = Indent::_(1) . '// with .php'; $autoload_method[] = Indent::_(1) . "\$file = __DIR__ . '/' . \$found_base_dir . '/src' . str_replace('\\\\', '/', \$relative_class) . '.php';"; $autoload_method[] = Indent::_(1) . '//' . Line::_(__Line__, __Class__) . ' if the file exists, require it'; $autoload_method[] = Indent::_(1) . 'if (file_exists($file))'; $autoload_method[] = Indent::_(1) . '{'; $autoload_method[] = Indent::_(2) . 'require $file;'; $autoload_method[] = Indent::_(1) . '}'; $autoload_method[] = '});'; return implode(PHP_EOL, $autoload_method); } return null; } /* * Get the composer autoloader routine (NOT READY) * * * @return string\|null * @since 3.2.0 */ private function getInstallerComposer(): ?string { if (ArrayHelper::check($this->power->composer)) { // load the composer routine $composer_routine = []; // counter to manage the comma in the actual array $add_once = []; foreach ($this->power->composer as $access_point) { // don't add the ending comma on last value if (empty($add_once[$access_point])) { $composer_routine[] = "\$composer_autoloader = __DIR__ . '/libraries/$access_point';"; $composer_routine[] = 'if (file_exists($composer_autoloader))'; $composer_routine[] = "{"; $composer_routine[] = Indent::_(1) . 'require_once $composer_autoloader;'; $composer_routine[] = "}"; $add_once[$access_point] = true; } } // this is just about the [autoloader or autoloaders] in the comment ;) if (count($add_once) == 1) { array_unshift($composer_routine, '//' . Line::_(__Line__, __Class__) . ' add the autoloader for the composer classes'); } else { array_unshift($composer_routine, '//' . Line::_(__Line__, __Class__) . ' add the autoloaders for the composer classes'); } return implode(PHP_EOL, $composer_routine); } return null; } }

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