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1 |
-<?php |
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2 |
- |
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-namespace Illuminate\View\Concerns; |
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- |
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-use InvalidArgumentException; |
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-use Illuminate\Contracts\View\View; |
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7 |
- |
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-trait ManagesLayouts |
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9 |
-{ |
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10 |
- /** |
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- * All of the finished, captured sections. |
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- * |
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- * @var array |
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- */ |
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- protected $sections = []; |
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- |
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- /** |
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- * The stack of in-progress sections. |
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- * |
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- * @var array |
|
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- */ |
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- protected $sectionStack = []; |
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- |
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- /** |
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- * The parent placeholder for the request. |
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- * |
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- * @var mixed |
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- */ |
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- protected static $parentPlaceholder = []; |
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- |
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- /** |
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- * Start injecting content into a section. |
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- * |
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- * @param string $section |
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- * @param string|null $content |
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- * @return void |
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- */ |
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- public function startSection($section, $content = null) |
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- { |
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- if ($content === null) { |
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- if (ob_start()) { |
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- $this->sectionStack[] = $section; |
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- } |
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- } else { |
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- $this->extendSection($section, $content instanceof View ? $content : e($content)); |
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- } |
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- } |
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- |
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- /** |
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- * Inject inline content into a section. |
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- * |
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- * @param string $section |
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- * @param string $content |
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- * @return void |
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- */ |
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- public function inject($section, $content) |
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- { |
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- $this->startSection($section, $content); |
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- } |
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- |
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- /** |
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- * Stop injecting content into a section and return its contents. |
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- * |
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- * @return string |
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- */ |
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- public function yieldSection() |
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- { |
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- if (empty($this->sectionStack)) { |
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- return ''; |
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- } |
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- |
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- return $this->yieldContent($this->stopSection()); |
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- } |
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- |
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- /** |
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- * Stop injecting content into a section. |
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- * |
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- * @param bool $overwrite |
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- * @return string |
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- * |
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- * @throws \InvalidArgumentException |
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- */ |
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- public function stopSection($overwrite = false) |
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- { |
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- if (empty($this->sectionStack)) { |
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- throw new InvalidArgumentException('Cannot end a section without first starting one.'); |
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- } |
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- |
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- $last = array_pop($this->sectionStack); |
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- |
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- if ($overwrite) { |
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- $this->sections[$last] = ob_get_clean(); |
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- } else { |
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- $this->extendSection($last, ob_get_clean()); |
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- } |
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- |
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- return $last; |
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- } |
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- |
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- /** |
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- * Stop injecting content into a section and append it. |
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- * |
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- * @return string |
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- * |
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- * @throws \InvalidArgumentException |
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- */ |
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- public function appendSection() |
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- { |
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- if (empty($this->sectionStack)) { |
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- throw new InvalidArgumentException('Cannot end a section without first starting one.'); |
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- } |
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- |
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- $last = array_pop($this->sectionStack); |
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- |
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- if (isset($this->sections[$last])) { |
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- $this->sections[$last] .= ob_get_clean(); |
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- } else { |
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- $this->sections[$last] = ob_get_clean(); |
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- } |
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- |
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- return $last; |
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- } |
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- |
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- /** |
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- * Append content to a given section. |
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- * |
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- * @param string $section |
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- * @param string $content |
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- * @return void |
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- */ |
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- protected function extendSection($section, $content) |
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- { |
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- if (isset($this->sections[$section])) { |
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- $content = str_replace(static::parentPlaceholder($section), $content, $this->sections[$section]); |
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- } |
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- |
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- $this->sections[$section] = $content; |
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- } |
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- |
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- /** |
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- * Get the string contents of a section. |
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- * |
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- * @param string $section |
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- * @param string $default |
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- * @return string |
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- */ |
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- public function yieldContent($section, $default = '') |
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- { |
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- $sectionContent = $default instanceof View ? $default : e($default); |
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- |
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- if (isset($this->sections[$section])) { |
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- $sectionContent = $this->sections[$section]; |
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- } |
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- |
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- $sectionContent = str_replace('@parent', '@parent', $sectionContent); |
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- |
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- return str_replace( |
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- '@parent', '@parent', str_replace(static::parentPlaceholder($section), '', $sectionContent) |
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- ); |
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- } |
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- |
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- /** |
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- * Get the parent placeholder for the current request. |
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- * |
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- * @param string $section |
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- * @return string |
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- */ |
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- public static function parentPlaceholder($section = '') |
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- { |
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- if (! isset(static::$parentPlaceholder[$section])) { |
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- static::$parentPlaceholder[$section] = '##parent-placeholder-'.sha1($section).'##'; |
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- } |
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- |
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- return static::$parentPlaceholder[$section]; |
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- } |
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- |
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- /** |
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- * Check if section exists. |
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- * |
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- * @param string $name |
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- * @return bool |
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- */ |
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- public function hasSection($name) |
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- { |
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- return array_key_exists($name, $this->sections); |
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- } |
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- |
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- /** |
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- * Get the contents of a section. |
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- * |
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- * @param string $name |
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- * @param string|null $default |
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- * @return mixed |
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- */ |
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- public function getSection($name, $default = null) |
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- { |
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- return $this->getSections()[$name] ?? $default; |
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- } |
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- |
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- /** |
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- * Get the entire array of sections. |
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- * |
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- * @return array |
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- */ |
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- public function getSections() |
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- { |
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- return $this->sections; |
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- } |
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- |
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- /** |
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- * Flush all of the sections. |
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- * |
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- * @return void |
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- */ |
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- public function flushSections() |
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- { |
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- $this->sections = []; |
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- $this->sectionStack = []; |
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- } |
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-} |
1 | 1 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,220 @@ |
1 |
+<?php |
|
2 |
+ |
|
3 |
+namespace Illuminate\View\Concerns; |
|
4 |
+ |
|
5 |
+use InvalidArgumentException; |
|
6 |
+use Illuminate\Contracts\View\View; |
|
7 |
+ |
|
8 |
+trait ManagesLayouts |
|
9 |
+{ |
|
10 |
+ /** |
|
11 |
+ * All of the finished, captured sections. |
|
12 |
+ * |
|
13 |
+ * @var array |
|
14 |
+ */ |
|
15 |
+ protected $sections = []; |
|
16 |
+ |
|
17 |
+ /** |
|
18 |
+ * The stack of in-progress sections. |
|
19 |
+ * |
|
20 |
+ * @var array |
|
21 |
+ */ |
|
22 |
+ protected $sectionStack = []; |
|
23 |
+ |
|
24 |
+ /** |
|
25 |
+ * The parent placeholder for the request. |
|
26 |
+ * |
|
27 |
+ * @var mixed |
|
28 |
+ */ |
|
29 |
+ protected static $parentPlaceholder = []; |
|
30 |
+ |
|
31 |
+ /** |
|
32 |
+ * Start injecting content into a section. |
|
33 |
+ * |
|
34 |
+ * @param string $section |
|
35 |
+ * @param string|null $content |
|
36 |
+ * @return void |
|
37 |
+ */ |
|
38 |
+ public function startSection($section, $content = null) |
|
39 |
+ { |
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40 |
+ if ($content === null) { |
|
41 |
+ if (ob_start()) { |
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42 |
+ $this->sectionStack[] = $section; |
|
43 |
+ } |
|
44 |
+ } else { |
|
45 |
+ $this->extendSection($section, $content instanceof View ? $content : e($content)); |
|
46 |
+ } |
|
47 |
+ } |
|
48 |
+ |
|
49 |
+ /** |
|
50 |
+ * Inject inline content into a section. |
|
51 |
+ * |
|
52 |
+ * @param string $section |
|
53 |
+ * @param string $content |
|
54 |
+ * @return void |
|
55 |
+ */ |
|
56 |
+ public function inject($section, $content) |
|
57 |
+ { |
|
58 |
+ $this->startSection($section, $content); |
|
59 |
+ } |
|
60 |
+ |
|
61 |
+ /** |
|
62 |
+ * Stop injecting content into a section and return its contents. |
|
63 |
+ * |
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64 |
+ * @return string |
|
65 |
+ */ |
|
66 |
+ public function yieldSection() |
|
67 |
+ { |
|
68 |
+ if (empty($this->sectionStack)) { |
|
69 |
+ return ''; |
|
70 |
+ } |
|
71 |
+ |
|
72 |
+ return $this->yieldContent($this->stopSection()); |
|
73 |
+ } |
|
74 |
+ |
|
75 |
+ /** |
|
76 |
+ * Stop injecting content into a section. |
|
77 |
+ * |
|
78 |
+ * @param bool $overwrite |
|
79 |
+ * @return string |
|
80 |
+ * |
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81 |
+ * @throws \InvalidArgumentException |
|
82 |
+ */ |
|
83 |
+ public function stopSection($overwrite = false) |
|
84 |
+ { |
|
85 |
+ if (empty($this->sectionStack)) { |
|
86 |
+ throw new InvalidArgumentException('Cannot end a section without first starting one.'); |
|
87 |
+ } |
|
88 |
+ |
|
89 |
+ $last = array_pop($this->sectionStack); |
|
90 |
+ |
|
91 |
+ if ($overwrite) { |
|
92 |
+ $this->sections[$last] = ob_get_clean(); |
|
93 |
+ } else { |
|
94 |
+ $this->extendSection($last, ob_get_clean()); |
|
95 |
+ } |
|
96 |
+ |
|
97 |
+ return $last; |
|
98 |
+ } |
|
99 |
+ |
|
100 |
+ /** |
|
101 |
+ * Stop injecting content into a section and append it. |
|
102 |
+ * |
|
103 |
+ * @return string |
|
104 |
+ * |
|
105 |
+ * @throws \InvalidArgumentException |
|
106 |
+ */ |
|
107 |
+ public function appendSection() |
|
108 |
+ { |
|
109 |
+ if (empty($this->sectionStack)) { |
|
110 |
+ throw new InvalidArgumentException('Cannot end a section without first starting one.'); |
|
111 |
+ } |
|
112 |
+ |
|
113 |
+ $last = array_pop($this->sectionStack); |
|
114 |
+ |
|
115 |
+ if (isset($this->sections[$last])) { |
|
116 |
+ $this->sections[$last] .= ob_get_clean(); |
|
117 |
+ } else { |
|
118 |
+ $this->sections[$last] = ob_get_clean(); |
|
119 |
+ } |
|
120 |
+ |
|
121 |
+ return $last; |
|
122 |
+ } |
|
123 |
+ |
|
124 |
+ /** |
|
125 |
+ * Append content to a given section. |
|
126 |
+ * |
|
127 |
+ * @param string $section |
|
128 |
+ * @param string $content |
|
129 |
+ * @return void |
|
130 |
+ */ |
|
131 |
+ protected function extendSection($section, $content) |
|
132 |
+ { |
|
133 |
+ if (isset($this->sections[$section])) { |
|
134 |
+ $content = str_replace(static::parentPlaceholder($section), $content, $this->sections[$section]); |
|
135 |
+ } |
|
136 |
+ |
|
137 |
+ $this->sections[$section] = $content; |
|
138 |
+ } |
|
139 |
+ |
|
140 |
+ /** |
|
141 |
+ * Get the string contents of a section. |
|
142 |
+ * |
|
143 |
+ * @param string $section |
|
144 |
+ * @param string $default |
|
145 |
+ * @return string |
|
146 |
+ */ |
|
147 |
+ public function yieldContent($section, $default = '') |
|
148 |
+ { |
|
149 |
+ $sectionContent = $default instanceof View ? $default : e($default); |
|
150 |
+ |
|
151 |
+ if (isset($this->sections[$section])) { |
|
152 |
+ $sectionContent = $this->sections[$section]; |
|
153 |
+ } |
|
154 |
+ |
|
155 |
+ $sectionContent = str_replace('@parent', '@parent', $sectionContent); |
|
156 |
+ |
|
157 |
+ return str_replace( |
|
158 |
+ '@parent', '@parent', str_replace(static::parentPlaceholder($section), '', $sectionContent) |
|
159 |
+ ); |
|
160 |
+ } |
|
161 |
+ |
|
162 |
+ /** |
|
163 |
+ * Get the parent placeholder for the current request. |
|
164 |
+ * |
|
165 |
+ * @param string $section |
|
166 |
+ * @return string |
|
167 |
+ */ |
|
168 |
+ public static function parentPlaceholder($section = '') |
|
169 |
+ { |
|
170 |
+ if (! isset(static::$parentPlaceholder[$section])) { |
|
171 |
+ static::$parentPlaceholder[$section] = '##parent-placeholder-'.sha1($section).'##'; |
|
172 |
+ } |
|
173 |
+ |
|
174 |
+ return static::$parentPlaceholder[$section]; |
|
175 |
+ } |
|
176 |
+ |
|
177 |
+ /** |
|
178 |
+ * Check if section exists. |
|
179 |
+ * |
|
180 |
+ * @param string $name |
|
181 |
+ * @return bool |
|
182 |
+ */ |
|
183 |
+ public function hasSection($name) |
|
184 |
+ { |
|
185 |
+ return array_key_exists($name, $this->sections); |
|
186 |
+ } |
|
187 |
+ |
|
188 |
+ /** |
|
189 |
+ * Get the contents of a section. |
|
190 |
+ * |
|
191 |
+ * @param string $name |
|
192 |
+ * @param string|null $default |
|
193 |
+ * @return mixed |
|
194 |
+ */ |
|
195 |
+ public function getSection($name, $default = null) |
|
196 |
+ { |
|
197 |
+ return $this->getSections()[$name] ?? $default; |
|
198 |
+ } |
|
199 |
+ |
|
200 |
+ /** |
|
201 |
+ * Get the entire array of sections. |
|
202 |
+ * |
|
203 |
+ * @return array |
|
204 |
+ */ |
|
205 |
+ public function getSections() |
|
206 |
+ { |
|
207 |
+ return $this->sections; |
|
208 |
+ } |
|
209 |
+ |
|
210 |
+ /** |
|
211 |
+ * Flush all of the sections. |
|
212 |
+ * |
|
213 |
+ * @return void |
|
214 |
+ */ |
|
215 |
+ public function flushSections() |
|
216 |
+ { |
|
217 |
+ $this->sections = []; |
|
218 |
+ $this->sectionStack = []; |
|
219 |
+ } |
|
220 |
+} |