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Direktori : /home2/selectio/www/3-idiots/vendor/laravel/framework/src/Illuminate/View/ |
Current File : //home2/selectio/www/3-idiots/vendor/laravel/framework/src/Illuminate/View/Factory.php |
<?php namespace Illuminate\View; use Illuminate\Contracts\Container\Container; use Illuminate\Contracts\Events\Dispatcher; use Illuminate\Contracts\Support\Arrayable; use Illuminate\Contracts\View\Factory as FactoryContract; use Illuminate\Support\Arr; use Illuminate\Support\Str; use Illuminate\Support\Traits\Macroable; use Illuminate\View\Engines\EngineResolver; use InvalidArgumentException; class Factory implements FactoryContract { use Macroable, Concerns\ManagesComponents, Concerns\ManagesEvents, Concerns\ManagesLayouts, Concerns\ManagesLoops, Concerns\ManagesStacks, Concerns\ManagesTranslations; /** * The engine implementation. * * @var \Illuminate\View\Engines\EngineResolver */ protected $engines; /** * The view finder implementation. * * @var \Illuminate\View\ViewFinderInterface */ protected $finder; /** * The event dispatcher instance. * * @var \Illuminate\Contracts\Events\Dispatcher */ protected $events; /** * The IoC container instance. * * @var \Illuminate\Contracts\Container\Container */ protected $container; /** * Data that should be available to all templates. * * @var array */ protected $shared = []; /** * The extension to engine bindings. * * @var array */ protected $extensions = [ 'blade.php' => 'blade', 'php' => 'php', 'css' => 'file', 'html' => 'file', ]; /** * The view composer events. * * @var array */ protected $composers = []; /** * The number of active rendering operations. * * @var int */ protected $renderCount = 0; /** * The "once" block IDs that have been rendered. * * @var array */ protected $renderedOnce = []; /** * Create a new view factory instance. * * @param \Illuminate\View\Engines\EngineResolver $engines * @param \Illuminate\View\ViewFinderInterface $finder * @param \Illuminate\Contracts\Events\Dispatcher $events * @return void */ public function __construct(EngineResolver $engines, ViewFinderInterface $finder, Dispatcher $events) { $this->finder = $finder; $this->events = $events; $this->engines = $engines; $this->share('__env', $this); } /** * Get the evaluated view contents for the given view. * * @param string $path * @param \Illuminate\Contracts\Support\Arrayable|array $data * @param array $mergeData * @return \Illuminate\Contracts\View\View */ public function file($path, $data = [], $mergeData = []) { $data = array_merge($mergeData, $this->parseData($data)); return tap($this->viewInstance($path, $path, $data), function ($view) { $this->callCreator($view); }); } /** * Get the evaluated view contents for the given view. * * @param string $view * @param \Illuminate\Contracts\Support\Arrayable|array $data * @param array $mergeData * @return \Illuminate\Contracts\View\View */ public function make($view, $data = [], $mergeData = []) { $path = $this->finder->find( $view = $this->normalizeName($view) ); // Next, we will create the view instance and call the view creator for the view // which can set any data, etc. Then we will return the view instance back to // the caller for rendering or performing other view manipulations on this. $data = array_merge($mergeData, $this->parseData($data)); return tap($this->viewInstance($view, $path, $data), function ($view) { $this->callCreator($view); }); } /** * Get the first view that actually exists from the given list. * * @param array $views * @param \Illuminate\Contracts\Support\Arrayable|array $data * @param array $mergeData * @return \Illuminate\Contracts\View\View * * @throws \InvalidArgumentException */ public function first(array $views, $data = [], $mergeData = []) { $view = Arr::first($views, function ($view) { return $this->exists($view); }); if (! $view) { throw new InvalidArgumentException('None of the views in the given array exist.'); } return $this->make($view, $data, $mergeData); } /** * Get the rendered content of the view based on a given condition. * * @param bool $condition * @param string $view * @param \Illuminate\Contracts\Support\Arrayable|array $data * @param array $mergeData * @return string */ public function renderWhen($condition, $view, $data = [], $mergeData = []) { if (! $condition) { return ''; } return $this->make($view, $this->parseData($data), $mergeData)->render(); } /** * Get the rendered content of the view based on the negation of a given condition. * * @param bool $condition * @param string $view * @param \Illuminate\Contracts\Support\Arrayable|array $data * @param array $mergeData * @return string */ public function renderUnless($condition, $view, $data = [], $mergeData = []) { return $this->renderWhen(! $condition, $view, $data, $mergeData); } /** * Get the rendered contents of a partial from a loop. * * @param string $view * @param array $data * @param string $iterator * @param string $empty * @return string */ public function renderEach($view, $data, $iterator, $empty = 'raw|') { $result = ''; // If is actually data in the array, we will loop through the data and append // an instance of the partial view to the final result HTML passing in the // iterated value of this data array, allowing the views to access them. if (count($data) > 0) { foreach ($data as $key => $value) { $result .= $this->make( $view, ['key' => $key, $iterator => $value] )->render(); } } // If there is no data in the array, we will render the contents of the empty // view. Alternatively, the "empty view" could be a raw string that begins // with "raw|" for convenience and to let this know that it is a string. else { $result = Str::startsWith($empty, 'raw|') ? substr($empty, 4) : $this->make($empty)->render(); } return $result; } /** * Normalize a view name. * * @param string $name * @return string */ protected function normalizeName($name) { return ViewName::normalize($name); } /** * Parse the given data into a raw array. * * @param mixed $data * @return array */ protected function parseData($data) { return $data instanceof Arrayable ? $data->toArray() : $data; } /** * Create a new view instance from the given arguments. * * @param string $view * @param string $path * @param \Illuminate\Contracts\Support\Arrayable|array $data * @return \Illuminate\Contracts\View\View */ protected function viewInstance($view, $path, $data) { return new View($this, $this->getEngineFromPath($path), $view, $path, $data); } /** * Determine if a given view exists. * * @param string $view * @return bool */ public function exists($view) { try { $this->finder->find($view); } catch (InvalidArgumentException $e) { return false; } return true; } /** * Get the appropriate view engine for the given path. * * @param string $path * @return \Illuminate\Contracts\View\Engine * * @throws \InvalidArgumentException */ public function getEngineFromPath($path) { if (! $extension = $this->getExtension($path)) { throw new InvalidArgumentException("Unrecognized extension in file: {$path}."); } $engine = $this->extensions[$extension]; return $this->engines->resolve($engine); } /** * Get the extension used by the view file. * * @param string $path * @return string|null */ protected function getExtension($path) { $extensions = array_keys($this->extensions); return Arr::first($extensions, function ($value) use ($path) { return Str::endsWith($path, '.'.$value); }); } /** * Add a piece of shared data to the environment. * * @param array|string $key * @param mixed|null $value * @return mixed */ public function share($key, $value = null) { $keys = is_array($key) ? $key : [$key => $value]; foreach ($keys as $key => $value) { $this->shared[$key] = $value; } return $value; } /** * Increment the rendering counter. * * @return void */ public function incrementRender() { $this->renderCount++; } /** * Decrement the rendering counter. * * @return void */ public function decrementRender() { $this->renderCount--; } /** * Check if there are no active render operations. * * @return bool */ public function doneRendering() { return $this->renderCount == 0; } /** * Determine if the given once token has been rendered. * * @param string $id * @return bool */ public function hasRenderedOnce(string $id) { return isset($this->renderedOnce[$id]); } /** * Mark the given once token as having been rendered. * * @param string $id * @return void */ public function markAsRenderedOnce(string $id) { $this->renderedOnce[$id] = true; } /** * Add a location to the array of view locations. * * @param string $location * @return void */ public function addLocation($location) { $this->finder->addLocation($location); } /** * Add a new namespace to the loader. * * @param string $namespace * @param string|array $hints * @return $this */ public function addNamespace($namespace, $hints) { $this->finder->addNamespace($namespace, $hints); return $this; } /** * Prepend a new namespace to the loader. * * @param string $namespace * @param string|array $hints * @return $this */ public function prependNamespace($namespace, $hints) { $this->finder->prependNamespace($namespace, $hints); return $this; } /** * Replace the namespace hints for the given namespace. * * @param string $namespace * @param string|array $hints * @return $this */ public function replaceNamespace($namespace, $hints) { $this->finder->replaceNamespace($namespace, $hints); return $this; } /** * Register a valid view extension and its engine. * * @param string $extension * @param string $engine * @param \Closure|null $resolver * @return void */ public function addExtension($extension, $engine, $resolver = null) { $this->finder->addExtension($extension); if (isset($resolver)) { $this->engines->register($engine, $resolver); } unset($this->extensions[$extension]); $this->extensions = array_merge([$extension => $engine], $this->extensions); } /** * Flush all of the factory state like sections and stacks. * * @return void */ public function flushState() { $this->renderCount = 0; $this->renderedOnce = []; $this->flushSections(); $this->flushStacks(); $this->flushComponents(); } /** * Flush all of the section contents if done rendering. * * @return void */ public function flushStateIfDoneRendering() { if ($this->doneRendering()) { $this->flushState(); } } /** * Get the extension to engine bindings. * * @return array */ public function getExtensions() { return $this->extensions; } /** * Get the engine resolver instance. * * @return \Illuminate\View\Engines\EngineResolver */ public function getEngineResolver() { return $this->engines; } /** * Get the view finder instance. * * @return \Illuminate\View\ViewFinderInterface */ public function getFinder() { return $this->finder; } /** * Set the view finder instance. * * @param \Illuminate\View\ViewFinderInterface $finder * @return void */ public function setFinder(ViewFinderInterface $finder) { $this->finder = $finder; } /** * Flush the cache of views located by the finder. * * @return void */ public function flushFinderCache() { $this->getFinder()->flush(); } /** * Get the event dispatcher instance. * * @return \Illuminate\Contracts\Events\Dispatcher */ public function getDispatcher() { return $this->events; } /** * Set the event dispatcher instance. * * @param \Illuminate\Contracts\Events\Dispatcher $events * @return void */ public function setDispatcher(Dispatcher $events) { $this->events = $events; } /** * Get the IoC container instance. * * @return \Illuminate\Contracts\Container\Container */ public function getContainer() { return $this->container; } /** * Set the IoC container instance. * * @param \Illuminate\Contracts\Container\Container $container * @return void */ public function setContainer(Container $container) { $this->container = $container; } /** * Get an item from the shared data. * * @param string $key * @param mixed $default * @return mixed */ public function shared($key, $default = null) { return Arr::get($this->shared, $key, $default); } /** * Get all of the shared data for the environment. * * @return array */ public function getShared() { return $this->shared; } }