154 lines
3.4 KiB
PHP
154 lines
3.4 KiB
PHP
<?php namespace Todaymade\Daux\Tree;
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use RuntimeException;
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use Webuni\FrontMatter\FrontMatter;
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class Content extends ContentAbstract
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{
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/** @var string */
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protected $content;
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/** @var Content */
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protected $previous;
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/** @var Content */
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protected $next;
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/** @var array */
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protected $attributes;
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/** @var bool */
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protected $manuallySetContent = false;
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protected function getFrontMatter()
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{
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if ($this->manuallySetContent) {
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$content = $this->content;
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} elseif (!$this->getPath()) {
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throw new RuntimeException('Empty content');
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} else {
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$content = file_get_contents($this->getPath());
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}
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$frontMatter = new FrontMatter();
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// Remove BOM if it's present
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if (substr($content, 0, 3) == "\xef\xbb\xbf") {
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$content = substr($content, 3);
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}
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return $frontMatter->parse($content);
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}
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public function getContent(): string
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{
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if ($this->attributes === null) {
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$this->parseAttributes();
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}
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return $this->content;
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}
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public function setContent(string $content): void
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{
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$this->manuallySetContent = true;
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$this->content = $content;
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}
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/**
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* @return Content
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*/
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public function getPrevious(): ?Content
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{
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return $this->previous;
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}
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public function setPrevious(Content $previous)
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{
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$this->previous = $previous;
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}
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/**
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* @return Content
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*/
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public function getNext(): ?Content
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{
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return $this->next;
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}
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public function setNext(Content $next)
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{
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$this->next = $next;
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}
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public function isIndex()
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{
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// At some point, it was recommended that
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// an index page starts with an underscore.
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// This is not mandatory anymore, both with
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// and without underscore are supported.
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return $this->name == 'index' || $this->name == '_index';
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}
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public function getTitle(): string
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{
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if ($title = $this->getAttribute('title')) {
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return $title;
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}
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return parent::getTitle();
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}
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protected function parseAttributes()
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{
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// We set an empty array first to
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// avoid a loop when "parseAttributes"
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// is called in "getContent"
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$this->attributes = [];
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$document = $this->getFrontMatter();
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$this->attributes = array_replace_recursive($this->attributes, $document->getData());
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$this->content = $document->getContent();
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}
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public function setAttributes(array $attributes)
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{
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$this->attributes = $attributes;
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}
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/**
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* Get one or all attributes for the content.
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*
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* @param null|string $key
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*
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* @return null|array|mixed
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*/
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public function getAttribute($key = null)
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{
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if ($this->attributes === null) {
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$this->parseAttributes();
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}
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if (is_null($key)) {
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return $this->attributes;
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}
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if (!array_key_exists($key, $this->attributes)) {
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return null;
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}
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return $this->attributes[$key];
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}
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public function dump()
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{
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$dump = parent::dump();
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$dump['prev'] = $this->getPrevious() ? $this->getPrevious()->getUrl() : '';
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$dump['next'] = $this->getNext() ? $this->getNext()->getUrl() : '';
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return $dump;
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}
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}
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