ManagesStacks file override..

2020-09-17 16:10:33 +03:00
parent bfef974afd
commit b3dbe03f47
2 changed files with 195 additions and 0 deletions
--- a/overrides/Illuminate/View/Concers/ManagesStacks.php
+++ b/overrides/Illuminate/View/Concers/ManagesStacks.php
@@ -0,0 +1,194 @@
+<?php
+
+namespace Illuminate\View\Concerns;
+
+use InvalidArgumentException;
+
+trait ManagesStacks
+{
+    /**
+     * All of the finished, captured push sections.
+     *
+     * @var array
+     */
+    protected $pushes = [];
+
+    /**
+     * All of the finished, captured prepend sections.
+     *
+     * @var array
+     */
+    protected $prepends = [];
+
+    /**
+     * The stack of in-progress push sections.
+     *
+     * @var array
+     */
+    protected $pushStack = [];
+
+    /**
+     * Start injecting content into a push section.
+     *
+     * @param  string  $section
+     * @param  string  $content
+     * @return void
+     */
+    public function startPush($section, $content = '')
+    {
+        if ($content === '') {
+            if (ob_start()) {
+                $this->pushStack[] = $section;
+            }
+        } else {
+            $this->extendPush($section, $content);
+        }
+    }
+
+    /**
+     * Stop injecting content into a push section.
+     *
+     * @return string
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function stopPush()
+    {
+        if (empty($this->pushStack)) {
+            throw new InvalidArgumentException('Cannot end a push stack without first starting one.');
+        }
+
+        return tap(array_pop($this->pushStack), function ($last) {
+            $this->extendPush($last, ob_get_clean());
+        });
+    }
+
+    /**
+     * Append content to a given push section.
+     *
+     * @param  string  $section
+     * @param  string  $content
+     * @return void
+     */
+    protected function extendPush($section, $content)
+    {
+        if (! isset($this->pushes[$section])) {
+            $this->pushes[$section] = [];
+        }
+
+        if (! isset($this->pushes[$section][$this->renderCount])) {
+            $this->pushes[$section][$this->renderCount] = $content;
+        } else {
+            $this->pushes[$section][$this->renderCount] .= $content;
+        }
+    }
+
+    /**
+     * Start prepending content into a push section.
+     *
+     * @param  string  $section
+     * @param  string  $content
+     * @return void
+     */
+    public function startPrepend($section, $content = '')
+    {
+        if ($content === '') {
+            if (ob_start()) {
+                $this->pushStack[] = $section;
+            }
+        } else {
+            $this->extendPrepend($section, $content);
+        }
+    }
+
+    /**
+     * Stop prepending content into a push section.
+     *
+     * @return string
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function stopPrepend()
+    {
+        if (empty($this->pushStack)) {
+            throw new InvalidArgumentException('Cannot end a prepend operation without first starting one.');
+        }
+
+        return tap(array_pop($this->pushStack), function ($last) {
+            $this->extendPrepend($last, ob_get_clean());
+        });
+    }
+
+    /**
+     * Prepend content to a given stack.
+     *
+     * @param  string  $section
+     * @param  string  $content
+     * @return void
+     */
+    protected function extendPrepend($section, $content)
+    {
+        if (! isset($this->prepends[$section])) {
+            $this->prepends[$section] = [];
+        }
+
+        if (! isset($this->prepends[$section][$this->renderCount])) {
+            $this->prepends[$section][$this->renderCount] = $content;
+        } else {
+            $this->prepends[$section][$this->renderCount] = $content.$this->prepends[$section][$this->renderCount];
+        }
+    }
+
+    /**
+     * Get the string contents of a push section.
+     *
+     * @param  string  $section
+     * @param  string  $default
+     * @return string
+     */
+    public function yieldPushContent($section, $default = '')
+    {
+        if (! isset($this->pushes[$section]) && ! isset($this->prepends[$section])) {
+            return $default;
+        }
+
+        $output = '';
+
+        if (isset($this->prepends[$section])) {
+            $output .= implode(array_reverse($this->prepends[$section]));
+        }
+
+        if (isset($this->pushes[$section])) {
+            $output .= implode($this->pushes[$section]);
+        }
+
+        return $output;
+    }
+
+    /**
+     * Flush all of the stacks.
+     *
+     * @return void
+     */
+    public function flushStacks()
+    {
+        $this->pushes = [];
+        $this->prepends = [];
+        $this->pushStack = [];
+    }
+
+    public function flushStack($key = null)
+    {
+        if (array_key_exists($key, $this->pushes)) {
+            unset($this->pushes[$key]);
+        }
+
+        if (array_key_exists($key, $this->prepends)) {
+            unset($this->prepends[$key]);
+        }
+
+        if (array_key_exists($key, $this->pushStack)) {
+            unset($this->pushStack[$key]);
+        }
+    }
+}