Subversion-Projekte lars-tiefland.laravel_shop

<?php

namespace Illuminate\View;

use ArrayAccess;

use BadMethodCallException;

use Illuminate\Contracts\Support\Arrayable;

use Illuminate\Contracts\Support\Htmlable;

use Illuminate\Contracts\Support\MessageProvider;

use Illuminate\Contracts\Support\Renderable;

use Illuminate\Contracts\View\Engine;

use Illuminate\Contracts\View\View as ViewContract;

use Illuminate\Support\MessageBag;

use Illuminate\Support\Str;

use Illuminate\Support\Traits\Macroable;

use Illuminate\Support\ViewErrorBag;

use Throwable;

class View implements ArrayAccess, Htmlable, ViewContract

{

    use Macroable {

        __call as macroCall;

    }

    /**

     * The view factory instance.

     *

     * @var \Illuminate\View\Factory

     */

    protected $factory;

    /**

     * The engine implementation.

     *

     * @var \Illuminate\Contracts\View\Engine

     */

    protected $engine;

    /**

     * The name of the view.

     *

     * @var string

     */

    protected $view;

    /**

     * The array of view data.

     *

     * @var array

     */

    protected $data;

    /**

     * The path to the view file.

     *

     * @var string

     */

    protected $path;

    /**

     * Create a new view instance.

     *

     * @param  \Illuminate\View\Factory  $factory

     * @param  \Illuminate\Contracts\View\Engine  $engine

     * @param  string  $view

     * @param  string  $path

     * @param  mixed  $data

     * @return void

     */

    public function __construct(Factory $factory, Engine $engine, $view, $path, $data = [])

    {

        $this->view = $view;

        $this->path = $path;

        $this->engine = $engine;

        $this->factory = $factory;

        $this->data = $data instanceof Arrayable ? $data->toArray() : (array) $data;

    }

    /**

     * Get the evaluated contents of a given fragment.

     *

     * @param  string  $fragment

     * @return string

     */

    public function fragment($fragment)

    {

        return $this->render(function () use ($fragment) {

            return $this->factory->getFragment($fragment);

        });

    }

    /**

     * Get the string contents of the view.

     *

     * @param  callable|null  $callback

     * @return string

     *

     * @throws \Throwable

     */

    public function render(callable $callback = null)

    {

        try {

            $contents = $this->renderContents();

            $response = isset($callback) ? $callback($this, $contents) : null;

            // Once we have the contents of the view, we will flush the sections if we are

            // done rendering all views so that there is nothing left hanging over when

            // another view gets rendered in the future by the application developer.

            $this->factory->flushStateIfDoneRendering();

            return ! is_null($response) ? $response : $contents;

        } catch (Throwable $e) {

            $this->factory->flushState();

            throw $e;

        }

    }

    /**

     * Get the contents of the view instance.

     *

     * @return string

     */

    protected function renderContents()

    {

        // We will keep track of the number of views being rendered so we can flush

        // the section after the complete rendering operation is done. This will

        // clear out the sections for any separate views that may be rendered.

        $this->factory->incrementRender();

        $this->factory->callComposer($this);

        $contents = $this->getContents();

        // Once we've finished rendering the view, we'll decrement the render count

        // so that each section gets flushed out next time a view is created and

        // no old sections are staying around in the memory of an environment.

        $this->factory->decrementRender();

        return $contents;

    }

    /**

     * Get the evaluated contents of the view.

     *

     * @return string

     */

    protected function getContents()

    {

        return $this->engine->get($this->path, $this->gatherData());

    }

    /**

     * Get the data bound to the view instance.

     *

     * @return array

     */

    public function gatherData()

    {

        $data = array_merge($this->factory->getShared(), $this->data);

        foreach ($data as $key => $value) {

            if ($value instanceof Renderable) {

                $data[$key] = $value->render();

            }

        }

        return $data;

    }

    /**

     * Get the sections of the rendered view.

     *

     * @return array

     *

     * @throws \Throwable

     */

    public function renderSections()

    {

        return $this->render(function () {

            return $this->factory->getSections();

        });

    }

    /**

     * Add a piece of data to the view.

     *

     * @param  string|array  $key

     * @param  mixed  $value

     * @return $this

     */

    public function with($key, $value = null)

    {

        if (is_array($key)) {

            $this->data = array_merge($this->data, $key);

        } else {

            $this->data[$key] = $value;

        }

        return $this;

    }

    /**

     * Add a view instance to the view data.

     *

     * @param  string  $key

     * @param  string  $view

     * @param  array  $data

     * @return $this

     */

    public function nest($key, $view, array $data = [])

    {

        return $this->with($key, $this->factory->make($view, $data));

    }

    /**

     * Add validation errors to the view.

     *

     * @param  \Illuminate\Contracts\Support\MessageProvider|array  $provider

     * @param  string  $bag

     * @return $this

     */

    public function withErrors($provider, $bag = 'default')

    {

        return $this->with('errors', (new ViewErrorBag)->put(

            $bag, $this->formatErrors($provider)

        ));

    }

    /**

     * Parse the given errors into an appropriate value.

     *

     * @param  \Illuminate\Contracts\Support\MessageProvider|array|string  $provider

     * @return \Illuminate\Support\MessageBag

     */

    protected function formatErrors($provider)

    {

        return $provider instanceof MessageProvider

                        ? $provider->getMessageBag()

                        : new MessageBag((array) $provider);

    }

    /**

     * Get the name of the view.

     *

     * @return string

     */

    public function name()

    {

        return $this->getName();

    }

    /**

     * Get the name of the view.

     *

     * @return string

     */

    public function getName()

    {

        return $this->view;

    }

    /**

     * Get the array of view data.

     *

     * @return array

     */

    public function getData()

    {

        return $this->data;

    }

    /**

     * Get the path to the view file.

     *

     * @return string

     */

    public function getPath()

    {

        return $this->path;

    }

    /**

     * Set the path to the view.

     *

     * @param  string  $path

     * @return void

     */

    public function setPath($path)

    {

        $this->path = $path;

    }

    /**

     * Get the view factory instance.

     *

     * @return \Illuminate\View\Factory

     */

    public function getFactory()

    {

        return $this->factory;

    }

    /**

     * Get the view's rendering engine.

     *

     * @return \Illuminate\Contracts\View\Engine

     */

    public function getEngine()

    {

        return $this->engine;

    }

    /**

     * Determine if a piece of data is bound.

     *

     * @param  string  $key

     * @return bool

     */

    public function offsetExists($key): bool

    {

        return array_key_exists($key, $this->data);

    }

    /**

     * Get a piece of bound data to the view.

     *

     * @param  string  $key

     * @return mixed

     */

    public function offsetGet($key): mixed

    {

        return $this->data[$key];

    }

    /**

     * Set a piece of data on the view.

     *

     * @param  string  $key

     * @param  mixed  $value

     * @return void

     */

    public function offsetSet($key, $value): void

    {

        $this->with($key, $value);

    }

    /**

     * Unset a piece of data from the view.

     *

     * @param  string  $key

     * @return void

     */

    public function offsetUnset($key): void

    {

        unset($this->data[$key]);

    }

    /**

     * Get a piece of data from the view.

     *

     * @param  string  $key

     * @return mixed

     */

    public function &__get($key)

    {

        return $this->data[$key];

    }

    /**

     * Set a piece of data on the view.

     *

     * @param  string  $key

     * @param  mixed  $value

     * @return void

     */

    public function __set($key, $value)

    {

        $this->with($key, $value);

    }

    /**

     * Check if a piece of data is bound to the view.

     *

     * @param  string  $key

     * @return bool

     */

    public function __isset($key)

    {

        return isset($this->data[$key]);

    }

    /**

     * Remove a piece of bound data from the view.

     *

     * @param  string  $key

     * @return void

     */

    public function __unset($key)

    {

        unset($this->data[$key]);

    }

    /**

     * Dynamically bind parameters to the view.

     *

     * @param  string  $method

     * @param  array  $parameters

     * @return \Illuminate\View\View

     *

     * @throws \BadMethodCallException

     */

    public function __call($method, $parameters)

    {

        if (static::hasMacro($method)) {

            return $this->macroCall($method, $parameters);

        }

        if (! str_starts_with($method, 'with')) {

            throw new BadMethodCallException(sprintf(

                'Method %s::%s does not exist.', static::class, $method

            ));

        }

        return $this->with(Str::camel(substr($method, 4)), $parameters[0]);

    }

    /**

     * Get content as a string of HTML.

     *

     * @return string

     */

    public function toHtml()

    {

        return $this->render();

    }

    /**

     * Get the string contents of the view.

     *

     * @return string

     *

     * @throws \Throwable

     */

    public function __toString()

    {

        return $this->render();

    }

}