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-<?php |
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- |
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-namespace Illuminate\View\Concerns; |
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- |
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-use InvalidArgumentException; |
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- |
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-trait ManagesStacks |
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-{ |
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- /** |
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- * All of the finished, captured push sections. |
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- * |
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- * @var array |
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- */ |
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- protected $pushes = []; |
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- |
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- /** |
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- * All of the finished, captured prepend sections. |
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- * |
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- * @var array |
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- */ |
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- protected $prepends = []; |
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- |
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- /** |
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- * The stack of in-progress push sections. |
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- * |
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- * @var array |
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- */ |
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- protected $pushStack = []; |
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- |
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- /** |
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- * Start injecting content into a push section. |
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- * |
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- * @param string $section |
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- * @param string $content |
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- * @return void |
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- */ |
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- public function startPush($section, $content = '') |
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- { |
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- if ($content === '') { |
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- if (ob_start()) { |
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- $this->pushStack[] = $section; |
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- } |
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- } else { |
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- $this->extendPush($section, $content); |
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- } |
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- } |
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- |
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- /** |
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- * Stop injecting content into a push section. |
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- * |
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- * @return string |
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- * |
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- * @throws \InvalidArgumentException |
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- */ |
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- public function stopPush() |
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- { |
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- if (empty($this->pushStack)) { |
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- throw new InvalidArgumentException('Cannot end a push stack without first starting one.'); |
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- } |
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- |
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- return tap(array_pop($this->pushStack), function ($last) { |
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- $this->extendPush($last, ob_get_clean()); |
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- }); |
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- } |
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- |
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- /** |
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- * Append content to a given push section. |
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- * |
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- * @param string $section |
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- * @param string $content |
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- * @return void |
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- */ |
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- protected function extendPush($section, $content) |
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- { |
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- if (! isset($this->pushes[$section])) { |
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- $this->pushes[$section] = []; |
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- } |
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- |
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- if (! isset($this->pushes[$section][$this->renderCount])) { |
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- $this->pushes[$section][$this->renderCount] = $content; |
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- } else { |
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- $this->pushes[$section][$this->renderCount] .= $content; |
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- } |
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- } |
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- |
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- /** |
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- * Start prepending content into a push section. |
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- * |
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- * @param string $section |
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- * @param string $content |
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- * @return void |
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- */ |
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- public function startPrepend($section, $content = '') |
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- { |
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- if ($content === '') { |
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- if (ob_start()) { |
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- $this->pushStack[] = $section; |
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- } |
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- } else { |
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- $this->extendPrepend($section, $content); |
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- } |
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- } |
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- |
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- /** |
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- * Stop prepending content into a push section. |
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- * |
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- * @return string |
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- * |
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- * @throws \InvalidArgumentException |
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- */ |
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- public function stopPrepend() |
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- { |
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- if (empty($this->pushStack)) { |
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- throw new InvalidArgumentException('Cannot end a prepend operation without first starting one.'); |
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- } |
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- |
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- return tap(array_pop($this->pushStack), function ($last) { |
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- $this->extendPrepend($last, ob_get_clean()); |
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- }); |
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- } |
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- |
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- /** |
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- * Prepend content to a given stack. |
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- * |
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- * @param string $section |
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- * @param string $content |
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- * @return void |
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- */ |
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- protected function extendPrepend($section, $content) |
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- { |
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- if (! isset($this->prepends[$section])) { |
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- $this->prepends[$section] = []; |
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- } |
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- |
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- if (! isset($this->prepends[$section][$this->renderCount])) { |
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- $this->prepends[$section][$this->renderCount] = $content; |
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- } else { |
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- $this->prepends[$section][$this->renderCount] = $content.$this->prepends[$section][$this->renderCount]; |
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- } |
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- } |
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- |
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- /** |
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- * Get the string contents of a push section. |
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- * |
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- * @param string $section |
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- * @param string $default |
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- * @return string |
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- */ |
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- public function yieldPushContent($section, $default = '') |
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- { |
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- if (! isset($this->pushes[$section]) && ! isset($this->prepends[$section])) { |
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- return $default; |
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- } |
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- |
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- $output = ''; |
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- |
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- if (isset($this->prepends[$section])) { |
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- $output .= implode(array_reverse($this->prepends[$section])); |
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- } |
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- |
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- if (isset($this->pushes[$section])) { |
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- $output .= implode($this->pushes[$section]); |
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- } |
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- |
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- return $output; |
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- } |
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- |
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- /** |
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- * Flush all of the stacks. |
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- * |
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- * @return void |
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- */ |
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- public function flushStacks() |
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- { |
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- $this->pushes = []; |
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- $this->prepends = []; |
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- $this->pushStack = []; |
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- } |
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-} |
1 | 1 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,179 @@ |
1 |
+<?php |
|
2 |
+ |
|
3 |
+namespace Illuminate\View\Concerns; |
|
4 |
+ |
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5 |
+use InvalidArgumentException; |
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6 |
+ |
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7 |
+trait ManagesStacks |
|
8 |
+{ |
|
9 |
+ /** |
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10 |
+ * All of the finished, captured push sections. |
|
11 |
+ * |
|
12 |
+ * @var array |
|
13 |
+ */ |
|
14 |
+ protected $pushes = []; |
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+ |
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16 |
+ /** |
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17 |
+ * All of the finished, captured prepend sections. |
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18 |
+ * |
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19 |
+ * @var array |
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20 |
+ */ |
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+ protected $prepends = []; |
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+ |
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+ /** |
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+ * The stack of in-progress push sections. |
|
25 |
+ * |
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26 |
+ * @var array |
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27 |
+ */ |
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+ protected $pushStack = []; |
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+ |
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30 |
+ /** |
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+ * Start injecting content into a push section. |
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32 |
+ * |
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+ * @param string $section |
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+ * @param string $content |
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+ * @return void |
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+ */ |
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+ public function startPush($section, $content = '') |
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+ { |
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+ if ($content === '') { |
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+ if (ob_start()) { |
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+ $this->pushStack[] = $section; |
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+ } |
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+ } else { |
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+ $this->extendPush($section, $content); |
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+ } |
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+ } |
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+ |
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+ /** |
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+ * Stop injecting content into a push section. |
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+ * |
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+ * @return string |
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+ * |
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+ * @throws \InvalidArgumentException |
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+ */ |
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+ public function stopPush() |
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+ { |
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+ if (empty($this->pushStack)) { |
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+ throw new InvalidArgumentException('Cannot end a push stack without first starting one.'); |
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+ } |
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+ |
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+ return tap(array_pop($this->pushStack), function ($last) { |
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+ $this->extendPush($last, ob_get_clean()); |
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+ }); |
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+ } |
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+ |
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+ /** |
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+ * Append content to a given push section. |
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+ * |
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+ * @param string $section |
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+ * @param string $content |
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+ * @return void |
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+ */ |
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+ protected function extendPush($section, $content) |
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+ { |
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+ if (! isset($this->pushes[$section])) { |
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+ $this->pushes[$section] = []; |
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+ } |
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+ |
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+ if (! isset($this->pushes[$section][$this->renderCount])) { |
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+ $this->pushes[$section][$this->renderCount] = $content; |
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+ } else { |
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+ $this->pushes[$section][$this->renderCount] .= $content; |
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+ } |
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+ } |
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+ |
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+ /** |
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+ * Start prepending content into a push section. |
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+ * |
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+ * @param string $section |
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+ * @param string $content |
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+ * @return void |
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+ */ |
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+ public function startPrepend($section, $content = '') |
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+ { |
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+ if ($content === '') { |
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+ if (ob_start()) { |
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+ $this->pushStack[] = $section; |
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+ } |
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+ } else { |
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+ $this->extendPrepend($section, $content); |
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+ } |
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+ } |
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+ |
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+ /** |
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+ * Stop prepending content into a push section. |
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+ * |
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+ * @return string |
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+ * |
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+ * @throws \InvalidArgumentException |
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+ */ |
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+ public function stopPrepend() |
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+ { |
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+ if (empty($this->pushStack)) { |
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+ throw new InvalidArgumentException('Cannot end a prepend operation without first starting one.'); |
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+ } |
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+ |
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+ return tap(array_pop($this->pushStack), function ($last) { |
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+ $this->extendPrepend($last, ob_get_clean()); |
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+ }); |
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+ } |
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+ |
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+ /** |
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+ * Prepend content to a given stack. |
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+ * |
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+ * @param string $section |
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+ * @param string $content |
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+ * @return void |
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+ */ |
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+ protected function extendPrepend($section, $content) |
|
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+ { |
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+ if (! isset($this->prepends[$section])) { |
|
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+ $this->prepends[$section] = []; |
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+ } |
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+ |
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+ if (! isset($this->prepends[$section][$this->renderCount])) { |
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+ $this->prepends[$section][$this->renderCount] = $content; |
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+ } else { |
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+ $this->prepends[$section][$this->renderCount] = $content.$this->prepends[$section][$this->renderCount]; |
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+ } |
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+ } |
|
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+ |
|
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+ /** |
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+ * Get the string contents of a push section. |
|
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+ * |
|
145 |
+ * @param string $section |
|
146 |
+ * @param string $default |
|
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+ * @return string |
|
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+ */ |
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+ public function yieldPushContent($section, $default = '') |
|
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+ { |
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+ if (! isset($this->pushes[$section]) && ! isset($this->prepends[$section])) { |
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+ return $default; |
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+ } |
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+ |
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+ $output = ''; |
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+ |
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+ if (isset($this->prepends[$section])) { |
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+ $output .= implode(array_reverse($this->prepends[$section])); |
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+ } |
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+ |
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+ if (isset($this->pushes[$section])) { |
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+ $output .= implode($this->pushes[$section]); |
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+ } |
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+ |
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+ return $output; |
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+ } |
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+ |
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+ /** |
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+ * Flush all of the stacks. |
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+ * |
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+ * @return void |
|
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+ */ |
|
173 |
+ public function flushStacks() |
|
174 |
+ { |
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+ $this->pushes = []; |
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+ $this->prepends = []; |
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+ $this->pushStack = []; |
|
178 |
+ } |
|
179 |
+} |