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<?php
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declare(strict_types=1);
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namespace XoopsModules\Wggithub\MDParser;
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#
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#
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# Parsedown
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# http://parsedown.org
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#
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# (c) Emanuil Rusev
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# http://erusev.com
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#
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# For the full license information, view the LICENSE file that was distributed
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# with this source code.
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#
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#
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class Parsedown
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{
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# ~
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const version = '1.8.0-beta-7';
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# ~
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function text($text)
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{
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$Elements = $this->textElements($text);
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# convert to markup
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$markup = $this->elements($Elements);
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# trim line breaks
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$markup = \trim($markup, "\n");
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return $markup;
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}
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protected function textElements($text)
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{
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# make sure no definitions are set
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$this->DefinitionData = [];
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# standardize line breaks
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$text = \str_replace(["\r\n", "\r"], "\n", $text);
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# remove surrounding line breaks
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$text = \trim($text, "\n");
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# split text into lines
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$lines = \explode("\n", $text);
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# iterate through lines to identify blocks
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return $this->linesElements($lines);
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}
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#
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# Setters
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#
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function setBreaksEnabled($breaksEnabled)
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{
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$this->breaksEnabled = $breaksEnabled;
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return $this;
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}
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protected $breaksEnabled;
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function setMarkupEscaped($markupEscaped)
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{
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$this->markupEscaped = $markupEscaped;
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return $this;
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}
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protected $markupEscaped;
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function setUrlsLinked($urlsLinked)
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{
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$this->urlsLinked = $urlsLinked;
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return $this;
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}
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protected $urlsLinked = true;
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function setSafeMode($safeMode)
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{
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$this->safeMode = (bool) $safeMode;
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return $this;
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}
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protected $safeMode;
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function setStrictMode($strictMode)
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{
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$this->strictMode = (bool) $strictMode;
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return $this;
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}
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protected $strictMode;
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protected $safeLinksWhitelist = [
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'http://',
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'https://',
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'ftp://',
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'ftps://',
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'mailto:',
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'tel:',
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'data:image/png;base64,',
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'data:image/gif;base64,',
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'data:image/jpeg;base64,',
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'irc:',
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'ircs:',
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'git:',
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'ssh:',
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'news:',
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'steam:',
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];
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#
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# Lines
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#
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protected $BlockTypes = [
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'#' => ['Header'],
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'*' => ['Rule', 'List'],
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'+' => ['List'],
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'-' => ['SetextHeader', 'Table', 'Rule', 'List'],
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'0' => ['List'],
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'1' => ['List'],
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'2' => ['List'],
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'3' => ['List'],
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'4' => ['List'],
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'5' => ['List'],
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'6' => ['List'],
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'7' => ['List'],
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'8' => ['List'],
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'9' => ['List'],
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':' => ['Table'],
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'<' => ['Comment', 'Markup'],
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'=' => ['SetextHeader'],
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'>' => ['Quote'],
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'[' => ['Reference'],
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'_' => ['Rule'],
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'`' => ['FencedCode'],
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'|' => ['Table'],
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'~' => ['FencedCode'],
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];
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# ~
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protected $unmarkedBlockTypes = [
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'Code',
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];
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#
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# Blocks
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#
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protected function lines(array $lines)
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{
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return $this->elements($this->linesElements($lines));
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}
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protected function linesElements(array $lines)
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{
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$Elements = [];
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$CurrentBlock = null;
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foreach ($lines as $line)
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{
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if (chop($line) === '')
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{
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if (isset($CurrentBlock))
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{
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$CurrentBlock['interrupted'] = (isset($CurrentBlock['interrupted'])
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? $CurrentBlock['interrupted'] + 1 : 1
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);
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}
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continue;
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}
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while (($beforeTab = strstr($line, "\t", true)) !== false)
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{
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$shortage = 4 - \mb_strlen($beforeTab, 'utf-8') % 4;
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$line = $beforeTab
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. \str_repeat(' ', $shortage)
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. \substr($line, \strlen($beforeTab) + 1)
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;
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}
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$indent = strspn($line, ' ');
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$text = $indent > 0 ? \substr($line, $indent) : $line;
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# ~
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$Line = ['body' => $line, 'indent' => $indent, 'text' => $text];
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# ~
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if (isset($CurrentBlock['continuable']))
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{
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$methodName = 'block' . $CurrentBlock['type'] . 'Continue';
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$Block = $this->$methodName($Line, $CurrentBlock);
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if (isset($Block))
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{
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$CurrentBlock = $Block;
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continue;
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} else {
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if ($this->isBlockCompletable($CurrentBlock['type']))
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{
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$methodName = 'block' . $CurrentBlock['type'] . 'Complete';
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$CurrentBlock = $this->$methodName($CurrentBlock);
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}
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}
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}
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# ~
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$marker = $text[0];
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# ~
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$blockTypes = $this->unmarkedBlockTypes;
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if (isset($this->BlockTypes[$marker]))
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{
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foreach ($this->BlockTypes[$marker] as $blockType)
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{
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$blockTypes []= $blockType;
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}
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}
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#
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# ~
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foreach ($blockTypes as $blockType)
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{
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$Block = $this->{"block$blockType"}($Line, $CurrentBlock);
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if (isset($Block))
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{
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$Block['type'] = $blockType;
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if ( ! isset($Block['identified']))
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{
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if (isset($CurrentBlock))
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{
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$Elements[] = $this->extractElement($CurrentBlock);
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}
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$Block['identified'] = true;
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}
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if ($this->isBlockContinuable($blockType))
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{
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$Block['continuable'] = true;
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}
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$CurrentBlock = $Block;
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continue 2;
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}
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}
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# ~
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if (isset($CurrentBlock) and $CurrentBlock['type'] === 'Paragraph')
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{
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$Block = $this->paragraphContinue($Line, $CurrentBlock);
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}
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if (isset($Block))
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{
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$CurrentBlock = $Block;
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} else {
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if (isset($CurrentBlock))
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{
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$Elements[] = $this->extractElement($CurrentBlock);
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}
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$CurrentBlock = $this->paragraph($Line);
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$CurrentBlock['identified'] = true;
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}
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}
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# ~
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if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type']))
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{
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$methodName = 'block' . $CurrentBlock['type'] . 'Complete';
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$CurrentBlock = $this->$methodName($CurrentBlock);
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}
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# ~
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if (isset($CurrentBlock))
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{
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$Elements[] = $this->extractElement($CurrentBlock);
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}
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# ~
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315
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return $Elements;
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}
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318
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319
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protected function extractElement(array $Component)
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320
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{
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321
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if ( ! isset($Component['element']))
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322
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{
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323
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if (isset($Component['markup']))
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{
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$Component['element'] = ['rawHtml' => $Component['markup']];
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326
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} elseif (isset($Component['hidden'])) {
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327
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$Component['element'] = [];
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328
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}
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}
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330
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return $Component['element'];
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332
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}
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333
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334
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protected function isBlockContinuable($Type)
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335
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{
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336
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return method_exists($this, 'block' . $Type . 'Continue');
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337
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}
|
|
338
|
|
|
|
|
339
|
|
|
protected function isBlockCompletable($Type)
|
|
340
|
|
|
{
|
|
341
|
|
|
return method_exists($this, 'block' . $Type . 'Complete');
|
|
342
|
|
|
}
|
|
343
|
|
|
|
|
344
|
|
|
#
|
|
345
|
|
|
# Code
|
|
346
|
|
|
|
|
347
|
|
|
protected function blockCode($Line, $Block = null)
|
|
348
|
|
|
{
|
|
349
|
|
|
if (isset($Block) and $Block['type'] === 'Paragraph' and ! isset($Block['interrupted']))
|
|
350
|
|
|
{
|
|
351
|
|
|
return;
|
|
352
|
|
|
}
|
|
353
|
|
|
|
|
354
|
|
|
if ($Line['indent'] >= 4)
|
|
355
|
|
|
{
|
|
356
|
|
|
$text = \substr($Line['body'], 4);
|
|
357
|
|
|
|
|
358
|
|
|
$Block = [
|
|
359
|
|
|
'element' => [
|
|
360
|
|
|
'name' => 'pre',
|
|
361
|
|
|
'element' => [
|
|
362
|
|
|
'name' => 'code',
|
|
363
|
|
|
'text' => $text,
|
|
364
|
|
|
],
|
|
365
|
|
|
],
|
|
366
|
|
|
];
|
|
367
|
|
|
|
|
368
|
|
|
return $Block;
|
|
369
|
|
|
}
|
|
370
|
|
|
}
|
|
371
|
|
|
|
|
372
|
|
|
protected function blockCodeContinue($Line, $Block)
|
|
373
|
|
|
{
|
|
374
|
|
|
if ($Line['indent'] >= 4)
|
|
375
|
|
|
{
|
|
376
|
|
|
if (isset($Block['interrupted']))
|
|
377
|
|
|
{
|
|
378
|
|
|
$Block['element']['element']['text'] .= \str_repeat("\n", $Block['interrupted']);
|
|
379
|
|
|
|
|
380
|
|
|
unset($Block['interrupted']);
|
|
381
|
|
|
}
|
|
382
|
|
|
|
|
383
|
|
|
$Block['element']['element']['text'] .= "\n";
|
|
384
|
|
|
|
|
385
|
|
|
$text = \substr($Line['body'], 4);
|
|
386
|
|
|
|
|
387
|
|
|
$Block['element']['element']['text'] .= $text;
|
|
388
|
|
|
|
|
389
|
|
|
return $Block;
|
|
390
|
|
|
}
|
|
391
|
|
|
}
|
|
392
|
|
|
|
|
393
|
|
|
protected function blockCodeComplete($Block)
|
|
394
|
|
|
{
|
|
395
|
|
|
return $Block;
|
|
396
|
|
|
}
|
|
397
|
|
|
|
|
398
|
|
|
#
|
|
399
|
|
|
# Comment
|
|
400
|
|
|
|
|
401
|
|
|
protected function blockComment($Line)
|
|
402
|
|
|
{
|
|
403
|
|
|
if ($this->markupEscaped or $this->safeMode)
|
|
404
|
|
|
{
|
|
405
|
|
|
return;
|
|
406
|
|
|
}
|
|
407
|
|
|
|
|
408
|
|
|
if (\strpos($Line['text'], '<!--') === 0)
|
|
409
|
|
|
{
|
|
410
|
|
|
$Block = [
|
|
411
|
|
|
'element' => [
|
|
412
|
|
|
'rawHtml' => $Line['body'],
|
|
413
|
|
|
'autobreak' => true,
|
|
414
|
|
|
],
|
|
415
|
|
|
];
|
|
416
|
|
|
|
|
417
|
|
|
if (\strpos($Line['text'], '-->') !== false)
|
|
418
|
|
|
{
|
|
419
|
|
|
$Block['closed'] = true;
|
|
420
|
|
|
}
|
|
421
|
|
|
|
|
422
|
|
|
return $Block;
|
|
423
|
|
|
}
|
|
424
|
|
|
}
|
|
425
|
|
|
|
|
426
|
|
|
protected function blockCommentContinue($Line, array $Block)
|
|
427
|
|
|
{
|
|
428
|
|
|
if (isset($Block['closed']))
|
|
429
|
|
|
{
|
|
430
|
|
|
return;
|
|
431
|
|
|
}
|
|
432
|
|
|
|
|
433
|
|
|
$Block['element']['rawHtml'] .= "\n" . $Line['body'];
|
|
434
|
|
|
|
|
435
|
|
|
if (\strpos($Line['text'], '-->') !== false)
|
|
436
|
|
|
{
|
|
437
|
|
|
$Block['closed'] = true;
|
|
438
|
|
|
}
|
|
439
|
|
|
|
|
440
|
|
|
return $Block;
|
|
441
|
|
|
}
|
|
442
|
|
|
|
|
443
|
|
|
#
|
|
444
|
|
|
# Fenced Code
|
|
445
|
|
|
|
|
446
|
|
|
protected function blockFencedCode($Line)
|
|
447
|
|
|
{
|
|
448
|
|
|
$marker = $Line['text'][0];
|
|
449
|
|
|
|
|
450
|
|
|
$openerLength = strspn($Line['text'], $marker);
|
|
451
|
|
|
|
|
452
|
|
|
if ($openerLength < 3)
|
|
453
|
|
|
{
|
|
454
|
|
|
return;
|
|
455
|
|
|
}
|
|
456
|
|
|
|
|
457
|
|
|
$infostring = \trim(\substr($Line['text'], $openerLength), "\t ");
|
|
458
|
|
|
|
|
459
|
|
|
if (\strpos($infostring, '`') !== false)
|
|
460
|
|
|
{
|
|
461
|
|
|
return;
|
|
462
|
|
|
}
|
|
463
|
|
|
|
|
464
|
|
|
$Element = [
|
|
465
|
|
|
'name' => 'code',
|
|
466
|
|
|
'text' => '',
|
|
467
|
|
|
];
|
|
468
|
|
|
|
|
469
|
|
|
if ($infostring !== '')
|
|
470
|
|
|
{
|
|
471
|
|
|
/**
|
|
472
|
|
|
* https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes
|
|
473
|
|
|
* Every HTML element may have a class attribute specified.
|
|
474
|
|
|
* The attribute, if specified, must have a value that is a set
|
|
475
|
|
|
* of space-separated tokens representing the various classes
|
|
476
|
|
|
* that the element belongs to.
|
|
477
|
|
|
* [...]
|
|
478
|
|
|
* The space characters, for the purposes of this specification,
|
|
479
|
|
|
* are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab),
|
|
480
|
|
|
* U+000A LINE FEED (LF), U+000C FORM FEED (FF), and
|
|
481
|
|
|
* U+000D CARRIAGE RETURN (CR).
|
|
482
|
|
|
*/
|
|
483
|
|
|
$language = \substr($infostring, 0, strcspn($infostring, " \t\n\f\r"));
|
|
484
|
|
|
|
|
485
|
|
|
$Element['attributes'] = ['class' => "language-$language"];
|
|
486
|
|
|
}
|
|
487
|
|
|
|
|
488
|
|
|
$Block = [
|
|
489
|
|
|
'char' => $marker,
|
|
490
|
|
|
'openerLength' => $openerLength,
|
|
491
|
|
|
'element' => [
|
|
492
|
|
|
'name' => 'pre',
|
|
493
|
|
|
'element' => $Element,
|
|
494
|
|
|
],
|
|
495
|
|
|
];
|
|
496
|
|
|
|
|
497
|
|
|
return $Block;
|
|
498
|
|
|
}
|
|
499
|
|
|
|
|
500
|
|
|
protected function blockFencedCodeContinue($Line, $Block)
|
|
501
|
|
|
{
|
|
502
|
|
|
if (isset($Block['complete']))
|
|
503
|
|
|
{
|
|
504
|
|
|
return;
|
|
505
|
|
|
}
|
|
506
|
|
|
|
|
507
|
|
|
if (isset($Block['interrupted']))
|
|
508
|
|
|
{
|
|
509
|
|
|
$Block['element']['element']['text'] .= \str_repeat("\n", $Block['interrupted']);
|
|
510
|
|
|
|
|
511
|
|
|
unset($Block['interrupted']);
|
|
512
|
|
|
}
|
|
513
|
|
|
|
|
514
|
|
|
if (($len = strspn($Line['text'], $Block['char'])) >= $Block['openerLength']
|
|
515
|
|
|
and chop(\substr($Line['text'], $len), ' ') === ''
|
|
516
|
|
|
) {
|
|
517
|
|
|
$Block['element']['element']['text'] = \substr($Block['element']['element']['text'], 1);
|
|
518
|
|
|
|
|
519
|
|
|
$Block['complete'] = true;
|
|
520
|
|
|
|
|
521
|
|
|
return $Block;
|
|
522
|
|
|
}
|
|
523
|
|
|
|
|
524
|
|
|
$Block['element']['element']['text'] .= "\n" . $Line['body'];
|
|
525
|
|
|
|
|
526
|
|
|
return $Block;
|
|
527
|
|
|
}
|
|
528
|
|
|
|
|
529
|
|
|
protected function blockFencedCodeComplete($Block)
|
|
530
|
|
|
{
|
|
531
|
|
|
return $Block;
|
|
532
|
|
|
}
|
|
533
|
|
|
|
|
534
|
|
|
#
|
|
535
|
|
|
# Header
|
|
536
|
|
|
|
|
537
|
|
|
protected function blockHeader($Line)
|
|
538
|
|
|
{
|
|
539
|
|
|
$level = strspn($Line['text'], '#');
|
|
540
|
|
|
|
|
541
|
|
|
if ($level > 6)
|
|
542
|
|
|
{
|
|
543
|
|
|
return;
|
|
544
|
|
|
}
|
|
545
|
|
|
|
|
546
|
|
|
$text = \trim($Line['text'], '#');
|
|
547
|
|
|
|
|
548
|
|
|
if ($this->strictMode and isset($text[0]) and $text[0] !== ' ')
|
|
549
|
|
|
{
|
|
550
|
|
|
return;
|
|
551
|
|
|
}
|
|
552
|
|
|
|
|
553
|
|
|
$text = \trim($text, ' ');
|
|
554
|
|
|
|
|
555
|
|
|
$Block = [
|
|
556
|
|
|
'element' => [
|
|
557
|
|
|
'name' => 'h' . $level,
|
|
558
|
|
|
'handler' => [
|
|
559
|
|
|
'function' => 'lineElements',
|
|
560
|
|
|
'argument' => $text,
|
|
561
|
|
|
'destination' => 'elements',
|
|
562
|
|
|
]
|
|
563
|
|
|
],
|
|
564
|
|
|
];
|
|
565
|
|
|
|
|
566
|
|
|
return $Block;
|
|
567
|
|
|
}
|
|
568
|
|
|
|
|
569
|
|
|
#
|
|
570
|
|
|
# List
|
|
571
|
|
|
|
|
572
|
|
|
protected function blockList($Line, array $CurrentBlock = null)
|
|
573
|
|
|
{
|
|
574
|
|
|
list($name, $pattern) = $Line['text'][0] <= '-' ? ['ul', '[*+-]'] : ['ol', '[0-9]{1,9}+[.\)]'];
|
|
575
|
|
|
|
|
576
|
|
|
if (\preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Line['text'], $matches))
|
|
577
|
|
|
{
|
|
578
|
|
|
$contentIndent = \strlen($matches[2]);
|
|
579
|
|
|
|
|
580
|
|
|
if ($contentIndent >= 5)
|
|
581
|
|
|
{
|
|
582
|
|
|
$contentIndent -= 1;
|
|
583
|
|
|
$matches[1] = \substr($matches[1], 0, -$contentIndent);
|
|
584
|
|
|
$matches[3] = \str_repeat(' ', $contentIndent) . $matches[3];
|
|
585
|
|
|
} elseif ($contentIndent === 0) {
|
|
586
|
|
|
$matches[1] .= ' ';
|
|
587
|
|
|
}
|
|
588
|
|
|
|
|
589
|
|
|
$markerWithoutWhitespace = strstr($matches[1], ' ', true);
|
|
590
|
|
|
|
|
591
|
|
|
$Block = [
|
|
592
|
|
|
'indent' => $Line['indent'],
|
|
593
|
|
|
'pattern' => $pattern,
|
|
594
|
|
|
'data' => [
|
|
595
|
|
|
'type' => $name,
|
|
596
|
|
|
'marker' => $matches[1],
|
|
597
|
|
|
'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : \substr($markerWithoutWhitespace, -1)),
|
|
598
|
|
|
],
|
|
599
|
|
|
'element' => [
|
|
600
|
|
|
'name' => $name,
|
|
601
|
|
|
'elements' => [],
|
|
602
|
|
|
],
|
|
603
|
|
|
];
|
|
604
|
|
|
$Block['data']['markerTypeRegex'] = preg_quote($Block['data']['markerType'], '/');
|
|
605
|
|
|
|
|
606
|
|
|
if ($name === 'ol')
|
|
607
|
|
|
{
|
|
608
|
|
|
$listStart = \ltrim(strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0';
|
|
609
|
|
|
|
|
610
|
|
|
if ($listStart !== '1')
|
|
611
|
|
|
{
|
|
612
|
|
|
if (
|
|
613
|
|
|
isset($CurrentBlock)
|
|
614
|
|
|
and $CurrentBlock['type'] === 'Paragraph'
|
|
615
|
|
|
and ! isset($CurrentBlock['interrupted'])
|
|
616
|
|
|
) {
|
|
617
|
|
|
return;
|
|
618
|
|
|
}
|
|
619
|
|
|
|
|
620
|
|
|
$Block['element']['attributes'] = ['start' => $listStart];
|
|
621
|
|
|
}
|
|
622
|
|
|
}
|
|
623
|
|
|
|
|
624
|
|
|
$Block['li'] = [
|
|
625
|
|
|
'name' => 'li',
|
|
626
|
|
|
'handler' => [
|
|
627
|
|
|
'function' => 'li',
|
|
628
|
|
|
'argument' => !empty($matches[3]) ? [$matches[3]] : [],
|
|
629
|
|
|
'destination' => 'elements'
|
|
630
|
|
|
]
|
|
631
|
|
|
];
|
|
632
|
|
|
|
|
633
|
|
|
$Block['element']['elements'] []= & $Block['li'];
|
|
634
|
|
|
|
|
635
|
|
|
return $Block;
|
|
636
|
|
|
}
|
|
637
|
|
|
}
|
|
638
|
|
|
|
|
639
|
|
|
protected function blockListContinue($Line, array $Block)
|
|
640
|
|
|
{
|
|
641
|
|
|
if (isset($Block['interrupted']) and empty($Block['li']['handler']['argument']))
|
|
642
|
|
|
{
|
|
643
|
|
|
return null;
|
|
644
|
|
|
}
|
|
645
|
|
|
|
|
646
|
|
|
$requiredIndent = ($Block['indent'] + \strlen($Block['data']['marker']));
|
|
647
|
|
|
|
|
648
|
|
|
if ($Line['indent'] < $requiredIndent
|
|
649
|
|
|
and (
|
|
650
|
|
|
(
|
|
651
|
|
|
$Block['data']['type'] === 'ol'
|
|
652
|
|
|
and \preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches)
|
|
653
|
|
|
) or (
|
|
654
|
|
|
$Block['data']['type'] === 'ul'
|
|
655
|
|
|
and \preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches)
|
|
656
|
|
|
)
|
|
657
|
|
|
)
|
|
658
|
|
|
) {
|
|
659
|
|
|
if (isset($Block['interrupted'])) {
|
|
660
|
|
|
$Block['li']['handler']['argument'] []= '';
|
|
661
|
|
|
|
|
662
|
|
|
$Block['loose'] = true;
|
|
663
|
|
|
|
|
664
|
|
|
unset($Block['interrupted']);
|
|
665
|
|
|
}
|
|
666
|
|
|
|
|
667
|
|
|
unset($Block['li']);
|
|
668
|
|
|
|
|
669
|
|
|
$text = isset($matches[1]) ? $matches[1] : '';
|
|
670
|
|
|
|
|
671
|
|
|
$Block['indent'] = $Line['indent'];
|
|
672
|
|
|
|
|
673
|
|
|
$Block['li'] = [
|
|
674
|
|
|
'name' => 'li',
|
|
675
|
|
|
'handler' => [
|
|
676
|
|
|
'function' => 'li',
|
|
677
|
|
|
'argument' => [$text],
|
|
678
|
|
|
'destination' => 'elements'
|
|
679
|
|
|
]
|
|
680
|
|
|
];
|
|
681
|
|
|
|
|
682
|
|
|
$Block['element']['elements'] []= & $Block['li'];
|
|
683
|
|
|
|
|
684
|
|
|
return $Block;
|
|
685
|
|
|
} elseif ($Line['indent'] < $requiredIndent and $this->blockList($Line)) {
|
|
686
|
|
|
return null;
|
|
687
|
|
|
}
|
|
688
|
|
|
|
|
689
|
|
|
if ($Line['text'][0] === '[' and $this->blockReference($Line)) {
|
|
690
|
|
|
return $Block;
|
|
691
|
|
|
}
|
|
692
|
|
|
|
|
693
|
|
|
if ($Line['indent'] >= $requiredIndent) {
|
|
694
|
|
|
if (isset($Block['interrupted']))
|
|
695
|
|
|
{
|
|
696
|
|
|
$Block['li']['handler']['argument'] []= '';
|
|
697
|
|
|
|
|
698
|
|
|
$Block['loose'] = true;
|
|
699
|
|
|
|
|
700
|
|
|
unset($Block['interrupted']);
|
|
701
|
|
|
}
|
|
702
|
|
|
|
|
703
|
|
|
$text = \substr($Line['body'], $requiredIndent);
|
|
704
|
|
|
|
|
705
|
|
|
$Block['li']['handler']['argument'] []= $text;
|
|
706
|
|
|
|
|
707
|
|
|
return $Block;
|
|
708
|
|
|
}
|
|
709
|
|
|
|
|
710
|
|
|
if ( ! isset($Block['interrupted'])) {
|
|
711
|
|
|
$text = \preg_replace('/^[ ]{0,'.$requiredIndent.'}+/', '', $Line['body']);
|
|
712
|
|
|
|
|
713
|
|
|
$Block['li']['handler']['argument'] []= $text;
|
|
714
|
|
|
|
|
715
|
|
|
return $Block;
|
|
716
|
|
|
}
|
|
717
|
|
|
}
|
|
718
|
|
|
|
|
719
|
|
|
protected function blockListComplete(array $Block)
|
|
720
|
|
|
{
|
|
721
|
|
|
if (isset($Block['loose'])) {
|
|
722
|
|
|
foreach ($Block['element']['elements'] as &$li)
|
|
723
|
|
|
{
|
|
724
|
|
|
if (end($li['handler']['argument']) !== '')
|
|
725
|
|
|
{
|
|
726
|
|
|
$li['handler']['argument'] []= '';
|
|
727
|
|
|
}
|
|
728
|
|
|
}
|
|
729
|
|
|
}
|
|
730
|
|
|
|
|
731
|
|
|
return $Block;
|
|
732
|
|
|
}
|
|
733
|
|
|
|
|
734
|
|
|
#
|
|
735
|
|
|
# Quote
|
|
736
|
|
|
|
|
737
|
|
|
protected function blockQuote($Line)
|
|
738
|
|
|
{
|
|
739
|
|
|
if (\preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) {
|
|
740
|
|
|
$Block = [
|
|
741
|
|
|
'element' => [
|
|
742
|
|
|
'name' => 'blockquote',
|
|
743
|
|
|
'handler' => [
|
|
744
|
|
|
'function' => 'linesElements',
|
|
745
|
|
|
'argument' => (array) $matches[1],
|
|
746
|
|
|
'destination' => 'elements',
|
|
747
|
|
|
]
|
|
748
|
|
|
],
|
|
749
|
|
|
];
|
|
750
|
|
|
|
|
751
|
|
|
return $Block;
|
|
752
|
|
|
}
|
|
753
|
|
|
}
|
|
754
|
|
|
|
|
755
|
|
|
protected function blockQuoteContinue($Line, array $Block)
|
|
756
|
|
|
{
|
|
757
|
|
|
if (isset($Block['interrupted'])) {
|
|
758
|
|
|
return;
|
|
759
|
|
|
}
|
|
760
|
|
|
|
|
761
|
|
|
if ($Line['text'][0] === '>' and \preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) {
|
|
762
|
|
|
$Block['element']['handler']['argument'] []= $matches[1];
|
|
763
|
|
|
|
|
764
|
|
|
return $Block;
|
|
765
|
|
|
}
|
|
766
|
|
|
|
|
767
|
|
|
if ( ! isset($Block['interrupted'])) {
|
|
768
|
|
|
$Block['element']['handler']['argument'] []= $Line['text'];
|
|
769
|
|
|
|
|
770
|
|
|
return $Block;
|
|
771
|
|
|
}
|
|
772
|
|
|
}
|
|
773
|
|
|
|
|
774
|
|
|
#
|
|
775
|
|
|
# Rule
|
|
776
|
|
|
|
|
777
|
|
|
protected function blockRule($Line)
|
|
778
|
|
|
{
|
|
779
|
|
|
$marker = $Line['text'][0];
|
|
780
|
|
|
|
|
781
|
|
|
if (substr_count($Line['text'], $marker) >= 3 and chop($Line['text'], " $marker") === '') {
|
|
782
|
|
|
$Block = [
|
|
783
|
|
|
'element' => [
|
|
784
|
|
|
'name' => 'hr',
|
|
785
|
|
|
],
|
|
786
|
|
|
];
|
|
787
|
|
|
|
|
788
|
|
|
return $Block;
|
|
789
|
|
|
}
|
|
790
|
|
|
}
|
|
791
|
|
|
|
|
792
|
|
|
#
|
|
793
|
|
|
# Setext
|
|
794
|
|
|
|
|
795
|
|
|
protected function blockSetextHeader($Line, array $Block = null)
|
|
796
|
|
|
{
|
|
797
|
|
|
if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) {
|
|
798
|
|
|
return;
|
|
799
|
|
|
}
|
|
800
|
|
|
|
|
801
|
|
|
if ($Line['indent'] < 4 and chop(chop($Line['text'], ' '), $Line['text'][0]) === '') {
|
|
802
|
|
|
$Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2';
|
|
803
|
|
|
|
|
804
|
|
|
return $Block;
|
|
805
|
|
|
}
|
|
806
|
|
|
}
|
|
807
|
|
|
|
|
808
|
|
|
#
|
|
809
|
|
|
# Markup
|
|
810
|
|
|
|
|
811
|
|
|
protected function blockMarkup($Line)
|
|
812
|
|
|
{
|
|
813
|
|
|
if ($this->markupEscaped or $this->safeMode) {
|
|
814
|
|
|
return;
|
|
815
|
|
|
}
|
|
816
|
|
|
|
|
817
|
|
|
if (\preg_match('/^<[\/]?+(\w*)(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+(\/)?>/', $Line['text'], $matches)) {
|
|
818
|
|
|
$element = strtolower($matches[1]);
|
|
819
|
|
|
|
|
820
|
|
|
if (\in_array($element, $this->textLevelElements)) {
|
|
821
|
|
|
return;
|
|
822
|
|
|
}
|
|
823
|
|
|
|
|
824
|
|
|
$Block = [
|
|
825
|
|
|
'name' => $matches[1],
|
|
826
|
|
|
'element' => [
|
|
827
|
|
|
'rawHtml' => $Line['text'],
|
|
828
|
|
|
'autobreak' => true,
|
|
829
|
|
|
],
|
|
830
|
|
|
];
|
|
831
|
|
|
|
|
832
|
|
|
return $Block;
|
|
833
|
|
|
}
|
|
834
|
|
|
}
|
|
835
|
|
|
|
|
836
|
|
|
protected function blockMarkupContinue($Line, array $Block)
|
|
837
|
|
|
{
|
|
838
|
|
|
if (isset($Block['closed']) or isset($Block['interrupted'])) {
|
|
839
|
|
|
return;
|
|
840
|
|
|
}
|
|
841
|
|
|
|
|
842
|
|
|
$Block['element']['rawHtml'] .= "\n" . $Line['body'];
|
|
843
|
|
|
|
|
844
|
|
|
return $Block;
|
|
845
|
|
|
}
|
|
846
|
|
|
|
|
847
|
|
|
#
|
|
848
|
|
|
# Reference
|
|
849
|
|
|
|
|
850
|
|
|
protected function blockReference($Line)
|
|
851
|
|
|
{
|
|
852
|
|
|
if (\strpos($Line['text'], ']') !== false
|
|
853
|
|
|
and \preg_match('/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Line['text'], $matches)
|
|
854
|
|
|
) {
|
|
855
|
|
|
$id = strtolower($matches[1]);
|
|
856
|
|
|
|
|
857
|
|
|
$Data = [
|
|
858
|
|
|
'url' => $matches[2],
|
|
859
|
|
|
'title' => isset($matches[3]) ? $matches[3] : null,
|
|
860
|
|
|
];
|
|
861
|
|
|
|
|
862
|
|
|
$this->DefinitionData['Reference'][$id] = $Data;
|
|
863
|
|
|
|
|
864
|
|
|
$Block = [
|
|
865
|
|
|
'element' => [],
|
|
866
|
|
|
];
|
|
867
|
|
|
|
|
868
|
|
|
return $Block;
|
|
869
|
|
|
}
|
|
870
|
|
|
}
|
|
871
|
|
|
|
|
872
|
|
|
#
|
|
873
|
|
|
# Table
|
|
874
|
|
|
|
|
875
|
|
|
protected function blockTable($Line, array $Block = null)
|
|
876
|
|
|
{
|
|
877
|
|
|
if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) {
|
|
878
|
|
|
return;
|
|
879
|
|
|
}
|
|
880
|
|
|
|
|
881
|
|
|
if (
|
|
882
|
|
|
\strpos($Block['element']['handler']['argument'], '|') === false
|
|
883
|
|
|
and \strpos($Line['text'], '|') === false
|
|
884
|
|
|
and \strpos($Line['text'], ':') === false
|
|
885
|
|
|
or \strpos($Block['element']['handler']['argument'], "\n") !== false
|
|
886
|
|
|
) {
|
|
887
|
|
|
return;
|
|
888
|
|
|
}
|
|
889
|
|
|
|
|
890
|
|
|
if (chop($Line['text'], ' -:|') !== '') {
|
|
891
|
|
|
return;
|
|
892
|
|
|
}
|
|
893
|
|
|
|
|
894
|
|
|
$alignments = [];
|
|
895
|
|
|
|
|
896
|
|
|
$divider = $Line['text'];
|
|
897
|
|
|
|
|
898
|
|
|
$divider = \trim($divider);
|
|
899
|
|
|
$divider = \trim($divider, '|');
|
|
900
|
|
|
|
|
901
|
|
|
$dividerCells = \explode('|', $divider);
|
|
902
|
|
|
|
|
903
|
|
|
foreach ($dividerCells as $dividerCell) {
|
|
904
|
|
|
$dividerCell = \trim($dividerCell);
|
|
905
|
|
|
|
|
906
|
|
|
if ($dividerCell === '') {
|
|
907
|
|
|
return;
|
|
908
|
|
|
}
|
|
909
|
|
|
|
|
910
|
|
|
$alignment = null;
|
|
911
|
|
|
|
|
912
|
|
|
if ($dividerCell[0] === ':') {
|
|
913
|
|
|
$alignment = 'left';
|
|
914
|
|
|
}
|
|
915
|
|
|
|
|
916
|
|
|
if (\substr($dividerCell, - 1) === ':') {
|
|
917
|
|
|
$alignment = $alignment === 'left' ? 'center' : 'right';
|
|
918
|
|
|
}
|
|
919
|
|
|
|
|
920
|
|
|
$alignments []= $alignment;
|
|
921
|
|
|
}
|
|
922
|
|
|
|
|
923
|
|
|
# ~
|
|
924
|
|
|
|
|
925
|
|
|
$HeaderElements = [];
|
|
926
|
|
|
|
|
927
|
|
|
$header = $Block['element']['handler']['argument'];
|
|
928
|
|
|
|
|
929
|
|
|
$header = \trim($header);
|
|
930
|
|
|
$header = \trim($header, '|');
|
|
931
|
|
|
|
|
932
|
|
|
$headerCells = \explode('|', $header);
|
|
933
|
|
|
|
|
934
|
|
|
if (\count($headerCells) !== \count($alignments)) {
|
|
935
|
|
|
return;
|
|
936
|
|
|
}
|
|
937
|
|
|
|
|
938
|
|
|
foreach ($headerCells as $index => $headerCell) {
|
|
939
|
|
|
$headerCell = \trim($headerCell);
|
|
940
|
|
|
|
|
941
|
|
|
$HeaderElement = [
|
|
942
|
|
|
'name' => 'th',
|
|
943
|
|
|
'handler' => [
|
|
944
|
|
|
'function' => 'lineElements',
|
|
945
|
|
|
'argument' => $headerCell,
|
|
946
|
|
|
'destination' => 'elements',
|
|
947
|
|
|
]
|
|
948
|
|
|
];
|
|
949
|
|
|
|
|
950
|
|
|
if (isset($alignments[$index])) {
|
|
951
|
|
|
$alignment = $alignments[$index];
|
|
952
|
|
|
|
|
953
|
|
|
$HeaderElement['attributes'] = [
|
|
954
|
|
|
'style' => "text-align: $alignment;",
|
|
955
|
|
|
];
|
|
956
|
|
|
}
|
|
957
|
|
|
|
|
958
|
|
|
$HeaderElements []= $HeaderElement;
|
|
959
|
|
|
}
|
|
960
|
|
|
|
|
961
|
|
|
# ~
|
|
962
|
|
|
|
|
963
|
|
|
$Block = [
|
|
964
|
|
|
'alignments' => $alignments,
|
|
965
|
|
|
'identified' => true,
|
|
966
|
|
|
'element' => [
|
|
967
|
|
|
'name' => 'table',
|
|
968
|
|
|
'elements' => [],
|
|
969
|
|
|
],
|
|
970
|
|
|
];
|
|
971
|
|
|
|
|
972
|
|
|
$Block['element']['elements'] []= [
|
|
973
|
|
|
'name' => 'thead',
|
|
974
|
|
|
];
|
|
975
|
|
|
|
|
976
|
|
|
$Block['element']['elements'] []= [
|
|
977
|
|
|
'name' => 'tbody',
|
|
978
|
|
|
'elements' => [],
|
|
979
|
|
|
];
|
|
980
|
|
|
|
|
981
|
|
|
$Block['element']['elements'][0]['elements'] []= [
|
|
982
|
|
|
'name' => 'tr',
|
|
983
|
|
|
'elements' => $HeaderElements,
|
|
984
|
|
|
];
|
|
985
|
|
|
|
|
986
|
|
|
return $Block;
|
|
987
|
|
|
}
|
|
988
|
|
|
|
|
989
|
|
|
protected function blockTableContinue($Line, array $Block)
|
|
990
|
|
|
{
|
|
991
|
|
|
if (isset($Block['interrupted'])) {
|
|
992
|
|
|
return;
|
|
993
|
|
|
}
|
|
994
|
|
|
|
|
995
|
|
|
if (\count($Block['alignments']) === 1 or $Line['text'][0] === '|' or \strpos($Line['text'], '|'))
|
|
996
|
|
|
{
|
|
997
|
|
|
$Elements = [];
|
|
998
|
|
|
|
|
999
|
|
|
$row = $Line['text'];
|
|
1000
|
|
|
|
|
1001
|
|
|
$row = \trim($row);
|
|
1002
|
|
|
$row = \trim($row, '|');
|
|
1003
|
|
|
|
|
1004
|
|
|
\preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]++`|`)++/', $row, $matches);
|
|
1005
|
|
|
|
|
1006
|
|
|
$cells = \array_slice($matches[0], 0, \count($Block['alignments']));
|
|
1007
|
|
|
|
|
1008
|
|
|
foreach ($cells as $index => $cell)
|
|
1009
|
|
|
{
|
|
1010
|
|
|
$cell = \trim($cell);
|
|
1011
|
|
|
|
|
1012
|
|
|
$Element = [
|
|
1013
|
|
|
'name' => 'td',
|
|
1014
|
|
|
'handler' => [
|
|
1015
|
|
|
'function' => 'lineElements',
|
|
1016
|
|
|
'argument' => $cell,
|
|
1017
|
|
|
'destination' => 'elements',
|
|
1018
|
|
|
]
|
|
1019
|
|
|
];
|
|
1020
|
|
|
|
|
1021
|
|
|
if (isset($Block['alignments'][$index]))
|
|
1022
|
|
|
{
|
|
1023
|
|
|
$Element['attributes'] = [
|
|
1024
|
|
|
'style' => 'text-align: ' . $Block['alignments'][$index] . ';',
|
|
1025
|
|
|
];
|
|
1026
|
|
|
}
|
|
1027
|
|
|
|
|
1028
|
|
|
$Elements []= $Element;
|
|
1029
|
|
|
}
|
|
1030
|
|
|
|
|
1031
|
|
|
$Element = [
|
|
1032
|
|
|
'name' => 'tr',
|
|
1033
|
|
|
'elements' => $Elements,
|
|
1034
|
|
|
];
|
|
1035
|
|
|
|
|
1036
|
|
|
$Block['element']['elements'][1]['elements'] []= $Element;
|
|
1037
|
|
|
|
|
1038
|
|
|
return $Block;
|
|
1039
|
|
|
}
|
|
1040
|
|
|
}
|
|
1041
|
|
|
|
|
1042
|
|
|
#
|
|
1043
|
|
|
# ~
|
|
1044
|
|
|
#
|
|
1045
|
|
|
|
|
1046
|
|
|
protected function paragraph($Line)
|
|
1047
|
|
|
{
|
|
1048
|
|
|
return [
|
|
1049
|
|
|
'type' => 'Paragraph',
|
|
1050
|
|
|
'element' => [
|
|
1051
|
|
|
'name' => 'p',
|
|
1052
|
|
|
'handler' => [
|
|
1053
|
|
|
'function' => 'lineElements',
|
|
1054
|
|
|
'argument' => $Line['text'],
|
|
1055
|
|
|
'destination' => 'elements',
|
|
1056
|
|
|
],
|
|
1057
|
|
|
],
|
|
1058
|
|
|
];
|
|
1059
|
|
|
}
|
|
1060
|
|
|
|
|
1061
|
|
|
protected function paragraphContinue($Line, array $Block)
|
|
1062
|
|
|
{
|
|
1063
|
|
|
if (isset($Block['interrupted']))
|
|
1064
|
|
|
{
|
|
1065
|
|
|
return;
|
|
1066
|
|
|
}
|
|
1067
|
|
|
|
|
1068
|
|
|
$Block['element']['handler']['argument'] .= "\n".$Line['text'];
|
|
1069
|
|
|
|
|
1070
|
|
|
return $Block;
|
|
1071
|
|
|
}
|
|
1072
|
|
|
|
|
1073
|
|
|
#
|
|
1074
|
|
|
# Inline Elements
|
|
1075
|
|
|
#
|
|
1076
|
|
|
|
|
1077
|
|
|
protected $InlineTypes = [
|
|
1078
|
|
|
'!' => ['Image'],
|
|
1079
|
|
|
'&' => ['SpecialCharacter'],
|
|
1080
|
|
|
'*' => ['Emphasis'],
|
|
1081
|
|
|
':' => ['Url'],
|
|
1082
|
|
|
'<' => ['UrlTag', 'EmailTag', 'Markup'],
|
|
1083
|
|
|
'[' => ['Link'],
|
|
1084
|
|
|
'_' => ['Emphasis'],
|
|
1085
|
|
|
'`' => ['Code'],
|
|
1086
|
|
|
'~' => ['Strikethrough'],
|
|
1087
|
|
|
'\\' => ['EscapeSequence'],
|
|
1088
|
|
|
];
|
|
1089
|
|
|
|
|
1090
|
|
|
# ~
|
|
1091
|
|
|
|
|
1092
|
|
|
protected $inlineMarkerList = '!*_&[:<`~\\';
|
|
1093
|
|
|
|
|
1094
|
|
|
#
|
|
1095
|
|
|
# ~
|
|
1096
|
|
|
#
|
|
1097
|
|
|
|
|
1098
|
|
|
public function line($text, $nonNestables = [])
|
|
1099
|
|
|
{
|
|
1100
|
|
|
return $this->elements($this->lineElements($text, $nonNestables));
|
|
1101
|
|
|
}
|
|
1102
|
|
|
|
|
1103
|
|
|
protected function lineElements($text, $nonNestables = [])
|
|
1104
|
|
|
{
|
|
1105
|
|
|
# standardize line breaks
|
|
1106
|
|
|
$text = \str_replace(["\r\n", "\r"], "\n", $text);
|
|
1107
|
|
|
|
|
1108
|
|
|
$Elements = [];
|
|
1109
|
|
|
|
|
1110
|
|
|
$nonNestables = (empty($nonNestables)
|
|
1111
|
|
|
? []
|
|
1112
|
|
|
: array_combine($nonNestables, $nonNestables)
|
|
1113
|
|
|
);
|
|
1114
|
|
|
|
|
1115
|
|
|
# $excerpt is based on the first occurrence of a marker
|
|
1116
|
|
|
|
|
1117
|
|
|
while ($excerpt = strpbrk($text, $this->inlineMarkerList))
|
|
1118
|
|
|
{
|
|
1119
|
|
|
$marker = $excerpt[0];
|
|
1120
|
|
|
|
|
1121
|
|
|
$markerPosition = \strlen($text) - \strlen($excerpt);
|
|
1122
|
|
|
|
|
1123
|
|
|
$Excerpt = ['text' => $excerpt, 'context' => $text];
|
|
1124
|
|
|
|
|
1125
|
|
|
foreach ($this->InlineTypes[$marker] as $inlineType)
|
|
1126
|
|
|
{
|
|
1127
|
|
|
# check to see if the current inline type is nestable in the current context
|
|
1128
|
|
|
|
|
1129
|
|
|
if (isset($nonNestables[$inlineType]))
|
|
1130
|
|
|
{
|
|
1131
|
|
|
continue;
|
|
1132
|
|
|
}
|
|
1133
|
|
|
|
|
1134
|
|
|
$Inline = $this->{"inline$inlineType"}($Excerpt);
|
|
1135
|
|
|
|
|
1136
|
|
|
if ( ! isset($Inline))
|
|
1137
|
|
|
{
|
|
1138
|
|
|
continue;
|
|
1139
|
|
|
}
|
|
1140
|
|
|
|
|
1141
|
|
|
# makes sure that the inline belongs to "our" marker
|
|
1142
|
|
|
|
|
1143
|
|
|
if (isset($Inline['position']) and $Inline['position'] > $markerPosition)
|
|
1144
|
|
|
{
|
|
1145
|
|
|
continue;
|
|
1146
|
|
|
}
|
|
1147
|
|
|
|
|
1148
|
|
|
# sets a default inline position
|
|
1149
|
|
|
|
|
1150
|
|
|
if ( ! isset($Inline['position']))
|
|
1151
|
|
|
{
|
|
1152
|
|
|
$Inline['position'] = $markerPosition;
|
|
1153
|
|
|
}
|
|
1154
|
|
|
|
|
1155
|
|
|
# cause the new element to 'inherit' our non nestables
|
|
1156
|
|
|
|
|
1157
|
|
|
|
|
1158
|
|
|
$Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables'])
|
|
1159
|
|
|
? array_merge($Inline['element']['nonNestables'], $nonNestables)
|
|
1160
|
|
|
: $nonNestables
|
|
1161
|
|
|
;
|
|
1162
|
|
|
|
|
1163
|
|
|
# the text that comes before the inline
|
|
1164
|
|
|
$unmarkedText = \substr($text, 0, $Inline['position']);
|
|
1165
|
|
|
|
|
1166
|
|
|
# compile the unmarked text
|
|
1167
|
|
|
$InlineText = $this->inlineText($unmarkedText);
|
|
1168
|
|
|
$Elements[] = $InlineText['element'];
|
|
1169
|
|
|
|
|
1170
|
|
|
# compile the inline
|
|
1171
|
|
|
$Elements[] = $this->extractElement($Inline);
|
|
1172
|
|
|
|
|
1173
|
|
|
# remove the examined text
|
|
1174
|
|
|
$text = \substr($text, $Inline['position'] + $Inline['extent']);
|
|
1175
|
|
|
|
|
1176
|
|
|
continue 2;
|
|
1177
|
|
|
}
|
|
1178
|
|
|
|
|
1179
|
|
|
# the marker does not belong to an inline
|
|
1180
|
|
|
|
|
1181
|
|
|
$unmarkedText = \substr($text, 0, $markerPosition + 1);
|
|
1182
|
|
|
|
|
1183
|
|
|
$InlineText = $this->inlineText($unmarkedText);
|
|
1184
|
|
|
$Elements[] = $InlineText['element'];
|
|
1185
|
|
|
|
|
1186
|
|
|
$text = \substr($text, $markerPosition + 1);
|
|
1187
|
|
|
}
|
|
1188
|
|
|
|
|
1189
|
|
|
$InlineText = $this->inlineText($text);
|
|
1190
|
|
|
$Elements[] = $InlineText['element'];
|
|
1191
|
|
|
|
|
1192
|
|
|
foreach ($Elements as &$Element)
|
|
1193
|
|
|
{
|
|
1194
|
|
|
if ( ! isset($Element['autobreak']))
|
|
1195
|
|
|
{
|
|
1196
|
|
|
$Element['autobreak'] = false;
|
|
1197
|
|
|
}
|
|
1198
|
|
|
}
|
|
1199
|
|
|
|
|
1200
|
|
|
return $Elements;
|
|
1201
|
|
|
}
|
|
1202
|
|
|
|
|
1203
|
|
|
#
|
|
1204
|
|
|
# ~
|
|
1205
|
|
|
#
|
|
1206
|
|
|
|
|
1207
|
|
|
protected function inlineText($text)
|
|
1208
|
|
|
{
|
|
1209
|
|
|
$Inline = [
|
|
1210
|
|
|
'extent' => \strlen($text),
|
|
1211
|
|
|
'element' => [],
|
|
1212
|
|
|
];
|
|
1213
|
|
|
|
|
1214
|
|
|
$Inline['element']['elements'] = self::pregReplaceElements(
|
|
1215
|
|
|
$this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/',
|
|
1216
|
|
|
[
|
|
1217
|
|
|
['name' => 'br'],
|
|
1218
|
|
|
['text' => "\n"],
|
|
1219
|
|
|
],
|
|
1220
|
|
|
$text
|
|
1221
|
|
|
);
|
|
1222
|
|
|
|
|
1223
|
|
|
return $Inline;
|
|
1224
|
|
|
}
|
|
1225
|
|
|
|
|
1226
|
|
|
protected function inlineCode($Excerpt)
|
|
1227
|
|
|
{
|
|
1228
|
|
|
$marker = $Excerpt['text'][0];
|
|
1229
|
|
|
|
|
1230
|
|
|
if (\preg_match('/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
|
|
1231
|
|
|
{
|
|
1232
|
|
|
$text = $matches[2];
|
|
1233
|
|
|
$text = \preg_replace('/[ ]*+\n/', ' ', $text);
|
|
1234
|
|
|
|
|
1235
|
|
|
return [
|
|
1236
|
|
|
'extent' => \strlen($matches[0]),
|
|
1237
|
|
|
'element' => [
|
|
1238
|
|
|
'name' => 'code',
|
|
1239
|
|
|
'text' => $text,
|
|
1240
|
|
|
],
|
|
1241
|
|
|
];
|
|
1242
|
|
|
}
|
|
1243
|
|
|
}
|
|
1244
|
|
|
|
|
1245
|
|
|
protected function inlineEmailTag($Excerpt)
|
|
1246
|
|
|
{
|
|
1247
|
|
|
$hostnameLabel = '[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?';
|
|
1248
|
|
|
|
|
1249
|
|
|
$commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@'
|
|
1250
|
|
|
. $hostnameLabel . '(?:\.' . $hostnameLabel . ')*';
|
|
1251
|
|
|
|
|
1252
|
|
|
if (\strpos($Excerpt['text'], '>') !== false
|
|
1253
|
|
|
and \preg_match("/^<((mailto:)?$commonMarkEmail)>/i", $Excerpt['text'], $matches)
|
|
1254
|
|
|
){
|
|
1255
|
|
|
$url = $matches[1];
|
|
1256
|
|
|
|
|
1257
|
|
|
if ( ! isset($matches[2]))
|
|
1258
|
|
|
{
|
|
1259
|
|
|
$url = "mailto:$url";
|
|
1260
|
|
|
}
|
|
1261
|
|
|
|
|
1262
|
|
|
return [
|
|
1263
|
|
|
'extent' => \strlen($matches[0]),
|
|
1264
|
|
|
'element' => [
|
|
1265
|
|
|
'name' => 'a',
|
|
1266
|
|
|
'text' => $matches[1],
|
|
1267
|
|
|
'attributes' => [
|
|
1268
|
|
|
'href' => $url,
|
|
1269
|
|
|
],
|
|
1270
|
|
|
],
|
|
1271
|
|
|
];
|
|
1272
|
|
|
}
|
|
1273
|
|
|
}
|
|
1274
|
|
|
|
|
1275
|
|
|
protected function inlineEmphasis($Excerpt)
|
|
1276
|
|
|
{
|
|
1277
|
|
|
if ( ! isset($Excerpt['text'][1]))
|
|
1278
|
|
|
{
|
|
1279
|
|
|
return;
|
|
1280
|
|
|
}
|
|
1281
|
|
|
|
|
1282
|
|
|
$marker = $Excerpt['text'][0];
|
|
1283
|
|
|
|
|
1284
|
|
|
if ($Excerpt['text'][1] === $marker and \preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches))
|
|
1285
|
|
|
{
|
|
1286
|
|
|
$emphasis = 'strong';
|
|
1287
|
|
|
}
|
|
1288
|
|
|
elseif (\preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches))
|
|
1289
|
|
|
{
|
|
1290
|
|
|
$emphasis = 'em';
|
|
1291
|
|
|
}
|
|
1292
|
|
|
else
|
|
1293
|
|
|
{
|
|
1294
|
|
|
return;
|
|
1295
|
|
|
}
|
|
1296
|
|
|
|
|
1297
|
|
|
return [
|
|
1298
|
|
|
'extent' => \strlen($matches[0]),
|
|
1299
|
|
|
'element' => [
|
|
1300
|
|
|
'name' => $emphasis,
|
|
1301
|
|
|
'handler' => [
|
|
1302
|
|
|
'function' => 'lineElements',
|
|
1303
|
|
|
'argument' => $matches[1],
|
|
1304
|
|
|
'destination' => 'elements',
|
|
1305
|
|
|
]
|
|
1306
|
|
|
],
|
|
1307
|
|
|
];
|
|
1308
|
|
|
}
|
|
1309
|
|
|
|
|
1310
|
|
|
protected function inlineEscapeSequence($Excerpt)
|
|
1311
|
|
|
{
|
|
1312
|
|
|
if (isset($Excerpt['text'][1]) and \in_array($Excerpt['text'][1], $this->specialCharacters))
|
|
1313
|
|
|
{
|
|
1314
|
|
|
return [
|
|
1315
|
|
|
'element' => ['rawHtml' => $Excerpt['text'][1]],
|
|
1316
|
|
|
'extent' => 2,
|
|
1317
|
|
|
];
|
|
1318
|
|
|
}
|
|
1319
|
|
|
}
|
|
1320
|
|
|
|
|
1321
|
|
|
protected function inlineImage($Excerpt)
|
|
1322
|
|
|
{
|
|
1323
|
|
|
if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[')
|
|
1324
|
|
|
{
|
|
1325
|
|
|
return;
|
|
1326
|
|
|
}
|
|
1327
|
|
|
|
|
1328
|
|
|
$Excerpt['text']= \substr($Excerpt['text'], 1);
|
|
1329
|
|
|
|
|
1330
|
|
|
$Link = $this->inlineLink($Excerpt);
|
|
1331
|
|
|
|
|
1332
|
|
|
if ($Link === null)
|
|
1333
|
|
|
{
|
|
1334
|
|
|
return;
|
|
1335
|
|
|
}
|
|
1336
|
|
|
|
|
1337
|
|
|
$Inline = [
|
|
1338
|
|
|
'extent' => $Link['extent'] + 1,
|
|
1339
|
|
|
'element' => [
|
|
1340
|
|
|
'name' => 'img',
|
|
1341
|
|
|
'attributes' => [
|
|
1342
|
|
|
'src' => $Link['element']['attributes']['href'],
|
|
1343
|
|
|
'alt' => $Link['element']['handler']['argument'],
|
|
1344
|
|
|
],
|
|
1345
|
|
|
'autobreak' => true,
|
|
1346
|
|
|
],
|
|
1347
|
|
|
];
|
|
1348
|
|
|
|
|
1349
|
|
|
$Inline['element']['attributes'] += $Link['element']['attributes'];
|
|
1350
|
|
|
|
|
1351
|
|
|
unset($Inline['element']['attributes']['href']);
|
|
1352
|
|
|
|
|
1353
|
|
|
return $Inline;
|
|
1354
|
|
|
}
|
|
1355
|
|
|
|
|
1356
|
|
|
protected function inlineLink($Excerpt)
|
|
1357
|
|
|
{
|
|
1358
|
|
|
$Element = [
|
|
1359
|
|
|
'name' => 'a',
|
|
1360
|
|
|
'handler' => [
|
|
1361
|
|
|
'function' => 'lineElements',
|
|
1362
|
|
|
'argument' => null,
|
|
1363
|
|
|
'destination' => 'elements',
|
|
1364
|
|
|
],
|
|
1365
|
|
|
'nonNestables' => ['Url', 'Link'],
|
|
1366
|
|
|
'attributes' => [
|
|
1367
|
|
|
'href' => null,
|
|
1368
|
|
|
'title' => null,
|
|
1369
|
|
|
],
|
|
1370
|
|
|
];
|
|
1371
|
|
|
|
|
1372
|
|
|
$extent = 0;
|
|
1373
|
|
|
|
|
1374
|
|
|
$remainder = $Excerpt['text'];
|
|
1375
|
|
|
|
|
1376
|
|
|
if (\preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches))
|
|
1377
|
|
|
{
|
|
1378
|
|
|
$Element['handler']['argument'] = $matches[1];
|
|
1379
|
|
|
|
|
1380
|
|
|
$extent += \strlen($matches[0]);
|
|
1381
|
|
|
|
|
1382
|
|
|
$remainder = \substr($remainder, $extent);
|
|
1383
|
|
|
}
|
|
1384
|
|
|
else
|
|
1385
|
|
|
{
|
|
1386
|
|
|
return;
|
|
1387
|
|
|
}
|
|
1388
|
|
|
|
|
1389
|
|
|
if (\preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*+"|\'[^\']*+\'))?\s*+[)]/', $remainder, $matches))
|
|
1390
|
|
|
{
|
|
1391
|
|
|
$Element['attributes']['href'] = $matches[1];
|
|
1392
|
|
|
|
|
1393
|
|
|
if (isset($matches[2]))
|
|
1394
|
|
|
{
|
|
1395
|
|
|
$Element['attributes']['title'] = \substr($matches[2], 1, - 1);
|
|
1396
|
|
|
}
|
|
1397
|
|
|
|
|
1398
|
|
|
$extent += \strlen($matches[0]);
|
|
1399
|
|
|
}
|
|
1400
|
|
|
else
|
|
1401
|
|
|
{
|
|
1402
|
|
|
if (\preg_match('/^\s*\[(.*?)\]/', $remainder, $matches))
|
|
1403
|
|
|
{
|
|
1404
|
|
|
$definition = \strlen($matches[1]) ? $matches[1] : $Element['handler']['argument'];
|
|
1405
|
|
|
$definition = strtolower($definition);
|
|
1406
|
|
|
|
|
1407
|
|
|
$extent += \strlen($matches[0]);
|
|
1408
|
|
|
}
|
|
1409
|
|
|
else
|
|
1410
|
|
|
{
|
|
1411
|
|
|
$definition = strtolower($Element['handler']['argument']);
|
|
1412
|
|
|
}
|
|
1413
|
|
|
|
|
1414
|
|
|
if ( ! isset($this->DefinitionData['Reference'][$definition]))
|
|
1415
|
|
|
{
|
|
1416
|
|
|
return;
|
|
1417
|
|
|
}
|
|
1418
|
|
|
|
|
1419
|
|
|
$Definition = $this->DefinitionData['Reference'][$definition];
|
|
1420
|
|
|
|
|
1421
|
|
|
$Element['attributes']['href'] = $Definition['url'];
|
|
1422
|
|
|
$Element['attributes']['title'] = $Definition['title'];
|
|
1423
|
|
|
}
|
|
1424
|
|
|
|
|
1425
|
|
|
return [
|
|
1426
|
|
|
'extent' => $extent,
|
|
1427
|
|
|
'element' => $Element,
|
|
1428
|
|
|
];
|
|
1429
|
|
|
}
|
|
1430
|
|
|
|
|
1431
|
|
|
protected function inlineMarkup($Excerpt)
|
|
1432
|
|
|
{
|
|
1433
|
|
|
if ($this->markupEscaped or $this->safeMode or \strpos($Excerpt['text'], '>') === false)
|
|
1434
|
|
|
{
|
|
1435
|
|
|
return;
|
|
1436
|
|
|
}
|
|
1437
|
|
|
|
|
1438
|
|
|
if ($Excerpt['text'][1] === '/' and \preg_match('/^<\/\w[\w-]*+[ ]*+>/s', $Excerpt['text'], $matches))
|
|
1439
|
|
|
{
|
|
1440
|
|
|
return [
|
|
1441
|
|
|
'element' => ['rawHtml' => $matches[0]],
|
|
1442
|
|
|
'extent' => \strlen($matches[0]),
|
|
1443
|
|
|
];
|
|
1444
|
|
|
}
|
|
1445
|
|
|
|
|
1446
|
|
|
if ($Excerpt['text'][1] === '!' and \preg_match('/^<!---?[^>-](?:-?+[^-])*-->/s', $Excerpt['text'], $matches))
|
|
1447
|
|
|
{
|
|
1448
|
|
|
return [
|
|
1449
|
|
|
'element' => ['rawHtml' => $matches[0]],
|
|
1450
|
|
|
'extent' => \strlen($matches[0]),
|
|
1451
|
|
|
];
|
|
1452
|
|
|
}
|
|
1453
|
|
|
|
|
1454
|
|
|
if ($Excerpt['text'][1] !== ' ' and \preg_match('/^<\w[\w-]*+(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+\/?>/s', $Excerpt['text'], $matches))
|
|
1455
|
|
|
{
|
|
1456
|
|
|
return [
|
|
1457
|
|
|
'element' => ['rawHtml' => $matches[0]],
|
|
1458
|
|
|
'extent' => \strlen($matches[0]),
|
|
1459
|
|
|
];
|
|
1460
|
|
|
}
|
|
1461
|
|
|
}
|
|
1462
|
|
|
|
|
1463
|
|
|
protected function inlineSpecialCharacter($Excerpt)
|
|
1464
|
|
|
{
|
|
1465
|
|
|
if (\substr($Excerpt['text'], 1, 1) !== ' ' and \strpos($Excerpt['text'], ';') !== false
|
|
1466
|
|
|
and \preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches)
|
|
1467
|
|
|
) {
|
|
1468
|
|
|
return [
|
|
1469
|
|
|
'element' => ['rawHtml' => '&' . $matches[1] . ';'],
|
|
1470
|
|
|
'extent' => \strlen($matches[0]),
|
|
1471
|
|
|
];
|
|
1472
|
|
|
}
|
|
1473
|
|
|
|
|
1474
|
|
|
return;
|
|
1475
|
|
|
}
|
|
1476
|
|
|
|
|
1477
|
|
|
protected function inlineStrikethrough($Excerpt)
|
|
1478
|
|
|
{
|
|
1479
|
|
|
if ( ! isset($Excerpt['text'][1]))
|
|
1480
|
|
|
{
|
|
1481
|
|
|
return;
|
|
1482
|
|
|
}
|
|
1483
|
|
|
|
|
1484
|
|
|
if ($Excerpt['text'][1] === '~' and \preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches))
|
|
1485
|
|
|
{
|
|
1486
|
|
|
return [
|
|
1487
|
|
|
'extent' => \strlen($matches[0]),
|
|
1488
|
|
|
'element' => [
|
|
1489
|
|
|
'name' => 'del',
|
|
1490
|
|
|
'handler' => [
|
|
1491
|
|
|
'function' => 'lineElements',
|
|
1492
|
|
|
'argument' => $matches[1],
|
|
1493
|
|
|
'destination' => 'elements',
|
|
1494
|
|
|
]
|
|
1495
|
|
|
],
|
|
1496
|
|
|
];
|
|
1497
|
|
|
}
|
|
1498
|
|
|
}
|
|
1499
|
|
|
|
|
1500
|
|
|
protected function inlineUrl($Excerpt)
|
|
1501
|
|
|
{
|
|
1502
|
|
|
if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/')
|
|
1503
|
|
|
{
|
|
1504
|
|
|
return;
|
|
1505
|
|
|
}
|
|
1506
|
|
|
|
|
1507
|
|
|
if (\strpos($Excerpt['context'], 'http') !== false
|
|
1508
|
|
|
and \preg_match('/\bhttps?+:[\/]{2}[^\s<]+\b\/*+/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE)
|
|
1509
|
|
|
) {
|
|
1510
|
|
|
$url = $matches[0][0];
|
|
1511
|
|
|
|
|
1512
|
|
|
$Inline = [
|
|
1513
|
|
|
'extent' => \strlen($matches[0][0]),
|
|
1514
|
|
|
'position' => $matches[0][1],
|
|
1515
|
|
|
'element' => [
|
|
1516
|
|
|
'name' => 'a',
|
|
1517
|
|
|
'text' => $url,
|
|
1518
|
|
|
'attributes' => [
|
|
1519
|
|
|
'href' => $url,
|
|
1520
|
|
|
],
|
|
1521
|
|
|
],
|
|
1522
|
|
|
];
|
|
1523
|
|
|
|
|
1524
|
|
|
return $Inline;
|
|
1525
|
|
|
}
|
|
1526
|
|
|
}
|
|
1527
|
|
|
|
|
1528
|
|
|
protected function inlineUrlTag($Excerpt)
|
|
1529
|
|
|
{
|
|
1530
|
|
|
if (\strpos($Excerpt['text'], '>') !== false and \preg_match('/^<(\w++:\/{2}[^ >]++)>/i', $Excerpt['text'], $matches))
|
|
1531
|
|
|
{
|
|
1532
|
|
|
$url = $matches[1];
|
|
1533
|
|
|
|
|
1534
|
|
|
return [
|
|
1535
|
|
|
'extent' => \strlen($matches[0]),
|
|
1536
|
|
|
'element' => [
|
|
1537
|
|
|
'name' => 'a',
|
|
1538
|
|
|
'text' => $url,
|
|
1539
|
|
|
'attributes' => [
|
|
1540
|
|
|
'href' => $url,
|
|
1541
|
|
|
],
|
|
1542
|
|
|
],
|
|
1543
|
|
|
];
|
|
1544
|
|
|
}
|
|
1545
|
|
|
}
|
|
1546
|
|
|
|
|
1547
|
|
|
# ~
|
|
1548
|
|
|
|
|
1549
|
|
|
protected function unmarkedText($text)
|
|
1550
|
|
|
{
|
|
1551
|
|
|
$Inline = $this->inlineText($text);
|
|
1552
|
|
|
return $this->element($Inline['element']);
|
|
1553
|
|
|
}
|
|
1554
|
|
|
|
|
1555
|
|
|
#
|
|
1556
|
|
|
# Handlers
|
|
1557
|
|
|
#
|
|
1558
|
|
|
|
|
1559
|
|
|
protected function handle(array $Element)
|
|
1560
|
|
|
{
|
|
1561
|
|
|
if (isset($Element['handler']))
|
|
1562
|
|
|
{
|
|
1563
|
|
|
if (!isset($Element['nonNestables']))
|
|
1564
|
|
|
{
|
|
1565
|
|
|
$Element['nonNestables'] = [];
|
|
1566
|
|
|
}
|
|
1567
|
|
|
|
|
1568
|
|
|
if (\is_string($Element['handler']))
|
|
1569
|
|
|
{
|
|
1570
|
|
|
$function = $Element['handler'];
|
|
1571
|
|
|
$argument = $Element['text'];
|
|
1572
|
|
|
unset($Element['text']);
|
|
1573
|
|
|
$destination = 'rawHtml';
|
|
1574
|
|
|
}
|
|
1575
|
|
|
else
|
|
1576
|
|
|
{
|
|
1577
|
|
|
$function = $Element['handler']['function'];
|
|
1578
|
|
|
$argument = $Element['handler']['argument'];
|
|
1579
|
|
|
$destination = $Element['handler']['destination'];
|
|
1580
|
|
|
}
|
|
1581
|
|
|
|
|
1582
|
|
|
$Element[$destination] = $this->{$function}($argument, $Element['nonNestables']);
|
|
1583
|
|
|
|
|
1584
|
|
|
if ($destination === 'handler')
|
|
1585
|
|
|
{
|
|
1586
|
|
|
$Element = $this->handle($Element);
|
|
1587
|
|
|
}
|
|
1588
|
|
|
|
|
1589
|
|
|
unset($Element['handler']);
|
|
1590
|
|
|
}
|
|
1591
|
|
|
|
|
1592
|
|
|
return $Element;
|
|
1593
|
|
|
}
|
|
1594
|
|
|
|
|
1595
|
|
|
protected function handleElementRecursive(array $Element)
|
|
1596
|
|
|
{
|
|
1597
|
|
|
return $this->elementApplyRecursive([$this, 'handle'], $Element);
|
|
1598
|
|
|
}
|
|
1599
|
|
|
|
|
1600
|
|
|
protected function handleElementsRecursive(array $Elements)
|
|
1601
|
|
|
{
|
|
1602
|
|
|
return $this->elementsApplyRecursive([$this, 'handle'], $Elements);
|
|
1603
|
|
|
}
|
|
1604
|
|
|
|
|
1605
|
|
|
protected function elementApplyRecursive($closure, array $Element)
|
|
1606
|
|
|
{
|
|
1607
|
|
|
$Element = \call_user_func($closure, $Element);
|
|
1608
|
|
|
|
|
1609
|
|
|
if (isset($Element['elements']))
|
|
1610
|
|
|
{
|
|
1611
|
|
|
$Element['elements'] = $this->elementsApplyRecursive($closure, $Element['elements']);
|
|
1612
|
|
|
}
|
|
1613
|
|
|
elseif (isset($Element['element']))
|
|
1614
|
|
|
{
|
|
1615
|
|
|
$Element['element'] = $this->elementApplyRecursive($closure, $Element['element']);
|
|
1616
|
|
|
}
|
|
1617
|
|
|
|
|
1618
|
|
|
return $Element;
|
|
1619
|
|
|
}
|
|
1620
|
|
|
|
|
1621
|
|
|
protected function elementApplyRecursiveDepthFirst($closure, array $Element)
|
|
1622
|
|
|
{
|
|
1623
|
|
|
if (isset($Element['elements']))
|
|
1624
|
|
|
{
|
|
1625
|
|
|
$Element['elements'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['elements']);
|
|
1626
|
|
|
}
|
|
1627
|
|
|
elseif (isset($Element['element']))
|
|
1628
|
|
|
{
|
|
1629
|
|
|
$Element['element'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['element']);
|
|
1630
|
|
|
}
|
|
1631
|
|
|
|
|
1632
|
|
|
$Element = \call_user_func($closure, $Element);
|
|
1633
|
|
|
|
|
1634
|
|
|
return $Element;
|
|
1635
|
|
|
}
|
|
1636
|
|
|
|
|
1637
|
|
|
protected function elementsApplyRecursive($closure, array $Elements)
|
|
1638
|
|
|
{
|
|
1639
|
|
|
foreach ($Elements as &$Element)
|
|
1640
|
|
|
{
|
|
1641
|
|
|
$Element = $this->elementApplyRecursive($closure, $Element);
|
|
1642
|
|
|
}
|
|
1643
|
|
|
|
|
1644
|
|
|
return $Elements;
|
|
1645
|
|
|
}
|
|
1646
|
|
|
|
|
1647
|
|
|
protected function elementsApplyRecursiveDepthFirst($closure, array $Elements)
|
|
1648
|
|
|
{
|
|
1649
|
|
|
foreach ($Elements as &$Element)
|
|
1650
|
|
|
{
|
|
1651
|
|
|
$Element = $this->elementApplyRecursiveDepthFirst($closure, $Element);
|
|
1652
|
|
|
}
|
|
1653
|
|
|
|
|
1654
|
|
|
return $Elements;
|
|
1655
|
|
|
}
|
|
1656
|
|
|
|
|
1657
|
|
|
protected function element(array $Element)
|
|
1658
|
|
|
{
|
|
1659
|
|
|
if ($this->safeMode)
|
|
1660
|
|
|
{
|
|
1661
|
|
|
$Element = $this->sanitiseElement($Element);
|
|
1662
|
|
|
}
|
|
1663
|
|
|
|
|
1664
|
|
|
# identity map if element has no handler
|
|
1665
|
|
|
$Element = $this->handle($Element);
|
|
1666
|
|
|
|
|
1667
|
|
|
$hasName = isset($Element['name']);
|
|
1668
|
|
|
|
|
1669
|
|
|
$markup = '';
|
|
1670
|
|
|
|
|
1671
|
|
|
if ($hasName)
|
|
1672
|
|
|
{
|
|
1673
|
|
|
$markup .= '<' . $Element['name'];
|
|
1674
|
|
|
|
|
1675
|
|
|
if (isset($Element['attributes']))
|
|
1676
|
|
|
{
|
|
1677
|
|
|
foreach ($Element['attributes'] as $name => $value)
|
|
1678
|
|
|
{
|
|
1679
|
|
|
if ($value === null)
|
|
1680
|
|
|
{
|
|
1681
|
|
|
continue;
|
|
1682
|
|
|
}
|
|
1683
|
|
|
|
|
1684
|
|
|
$markup .= " $name=\"".self::escape($value).'"';
|
|
1685
|
|
|
}
|
|
1686
|
|
|
}
|
|
1687
|
|
|
}
|
|
1688
|
|
|
|
|
1689
|
|
|
$permitRawHtml = false;
|
|
1690
|
|
|
|
|
1691
|
|
|
if (isset($Element['text']))
|
|
1692
|
|
|
{
|
|
1693
|
|
|
$text = $Element['text'];
|
|
1694
|
|
|
}
|
|
1695
|
|
|
// very strongly consider an alternative if you're writing an
|
|
1696
|
|
|
// extension
|
|
1697
|
|
|
elseif (isset($Element['rawHtml']))
|
|
1698
|
|
|
{
|
|
1699
|
|
|
$text = $Element['rawHtml'];
|
|
1700
|
|
|
|
|
1701
|
|
|
$allowRawHtmlInSafeMode = isset($Element['allowRawHtmlInSafeMode']) && $Element['allowRawHtmlInSafeMode'];
|
|
1702
|
|
|
$permitRawHtml = !$this->safeMode || $allowRawHtmlInSafeMode;
|
|
1703
|
|
|
}
|
|
1704
|
|
|
|
|
1705
|
|
|
$hasContent = isset($text) || isset($Element['element']) || isset($Element['elements']);
|
|
1706
|
|
|
|
|
1707
|
|
|
if ($hasContent)
|
|
1708
|
|
|
{
|
|
1709
|
|
|
$markup .= $hasName ? '>' : '';
|
|
1710
|
|
|
|
|
1711
|
|
|
if (isset($Element['elements']))
|
|
1712
|
|
|
{
|
|
1713
|
|
|
$markup .= $this->elements($Element['elements']);
|
|
1714
|
|
|
}
|
|
1715
|
|
|
elseif (isset($Element['element']))
|
|
1716
|
|
|
{
|
|
1717
|
|
|
$markup .= $this->element($Element['element']);
|
|
1718
|
|
|
}
|
|
1719
|
|
|
else
|
|
1720
|
|
|
{
|
|
1721
|
|
|
if (!$permitRawHtml)
|
|
1722
|
|
|
{
|
|
1723
|
|
|
$markup .= self::escape($text, true);
|
|
|
|
|
|
|
1724
|
|
|
}
|
|
1725
|
|
|
else
|
|
1726
|
|
|
{
|
|
1727
|
|
|
$markup .= $text;
|
|
1728
|
|
|
}
|
|
1729
|
|
|
}
|
|
1730
|
|
|
|
|
1731
|
|
|
$markup .= $hasName ? '</' . $Element['name'] . '>' : '';
|
|
1732
|
|
|
}
|
|
1733
|
|
|
elseif ($hasName)
|
|
1734
|
|
|
{
|
|
1735
|
|
|
$markup .= ' />';
|
|
1736
|
|
|
}
|
|
1737
|
|
|
|
|
1738
|
|
|
return $markup;
|
|
1739
|
|
|
}
|
|
1740
|
|
|
|
|
1741
|
|
|
protected function elements(array $Elements)
|
|
1742
|
|
|
{
|
|
1743
|
|
|
$markup = '';
|
|
1744
|
|
|
|
|
1745
|
|
|
$autoBreak = true;
|
|
1746
|
|
|
|
|
1747
|
|
|
foreach ($Elements as $Element)
|
|
1748
|
|
|
{
|
|
1749
|
|
|
if (empty($Element))
|
|
1750
|
|
|
{
|
|
1751
|
|
|
continue;
|
|
1752
|
|
|
}
|
|
1753
|
|
|
|
|
1754
|
|
|
$autoBreakNext = (isset($Element['autobreak'])
|
|
1755
|
|
|
? $Element['autobreak'] : isset($Element['name'])
|
|
1756
|
|
|
);
|
|
1757
|
|
|
// (autobreak === false) covers both sides of an element
|
|
1758
|
|
|
$autoBreak = !$autoBreak ? $autoBreak : $autoBreakNext;
|
|
1759
|
|
|
|
|
1760
|
|
|
$markup .= ($autoBreak ? "\n" : '') . $this->element($Element);
|
|
1761
|
|
|
$autoBreak = $autoBreakNext;
|
|
1762
|
|
|
}
|
|
1763
|
|
|
|
|
1764
|
|
|
$markup .= $autoBreak ? "\n" : '';
|
|
1765
|
|
|
|
|
1766
|
|
|
return $markup;
|
|
1767
|
|
|
}
|
|
1768
|
|
|
|
|
1769
|
|
|
# ~
|
|
1770
|
|
|
|
|
1771
|
|
|
protected function li($lines)
|
|
1772
|
|
|
{
|
|
1773
|
|
|
$Elements = $this->linesElements($lines);
|
|
1774
|
|
|
|
|
1775
|
|
|
if ( ! \in_array('', $lines)
|
|
1776
|
|
|
and isset($Elements[0]) and isset($Elements[0]['name'])
|
|
1777
|
|
|
and $Elements[0]['name'] === 'p'
|
|
1778
|
|
|
) {
|
|
1779
|
|
|
unset($Elements[0]['name']);
|
|
1780
|
|
|
}
|
|
1781
|
|
|
|
|
1782
|
|
|
return $Elements;
|
|
1783
|
|
|
}
|
|
1784
|
|
|
|
|
1785
|
|
|
#
|
|
1786
|
|
|
# AST Convenience
|
|
1787
|
|
|
#
|
|
1788
|
|
|
|
|
1789
|
|
|
/**
|
|
1790
|
|
|
* Replace occurrences $regexp with $Elements in $text. Return an array of
|
|
1791
|
|
|
* elements representing the replacement.
|
|
1792
|
|
|
* @param $regexp
|
|
1793
|
|
|
* @param $Elements
|
|
1794
|
|
|
* @param $text
|
|
1795
|
|
|
* @return array
|
|
1796
|
|
|
*/
|
|
1797
|
|
|
protected static function pregReplaceElements($regexp, $Elements, $text)
|
|
1798
|
|
|
{
|
|
1799
|
|
|
$newElements = [];
|
|
1800
|
|
|
|
|
1801
|
|
|
while (\preg_match($regexp, $text, $matches, PREG_OFFSET_CAPTURE))
|
|
1802
|
|
|
{
|
|
1803
|
|
|
$offset = $matches[0][1];
|
|
1804
|
|
|
$before = \substr($text, 0, $offset);
|
|
1805
|
|
|
$after = \substr($text, $offset + \strlen($matches[0][0]));
|
|
1806
|
|
|
|
|
1807
|
|
|
$newElements[] = ['text' => $before];
|
|
1808
|
|
|
|
|
1809
|
|
|
foreach ($Elements as $Element)
|
|
1810
|
|
|
{
|
|
1811
|
|
|
$newElements[] = $Element;
|
|
1812
|
|
|
}
|
|
1813
|
|
|
|
|
1814
|
|
|
$text = $after;
|
|
1815
|
|
|
}
|
|
1816
|
|
|
|
|
1817
|
|
|
$newElements[] = ['text' => $text];
|
|
1818
|
|
|
|
|
1819
|
|
|
return $newElements;
|
|
1820
|
|
|
}
|
|
1821
|
|
|
|
|
1822
|
|
|
#
|
|
1823
|
|
|
# Deprecated Methods
|
|
1824
|
|
|
#
|
|
1825
|
|
|
|
|
1826
|
|
|
function parse($text)
|
|
|
|
|
|
|
1827
|
|
|
{
|
|
1828
|
|
|
$markup = $this->text($text);
|
|
1829
|
|
|
|
|
1830
|
|
|
return $markup;
|
|
1831
|
|
|
}
|
|
1832
|
|
|
|
|
1833
|
|
|
protected function sanitiseElement(array $Element)
|
|
1834
|
|
|
{
|
|
1835
|
|
|
static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/';
|
|
1836
|
|
|
static $safeUrlNameToAtt = [
|
|
1837
|
|
|
'a' => 'href',
|
|
1838
|
|
|
'img' => 'src',
|
|
1839
|
|
|
];
|
|
1840
|
|
|
|
|
1841
|
|
|
if ( ! isset($Element['name']))
|
|
1842
|
|
|
{
|
|
1843
|
|
|
unset($Element['attributes']);
|
|
1844
|
|
|
return $Element;
|
|
1845
|
|
|
}
|
|
1846
|
|
|
|
|
1847
|
|
|
if (isset($safeUrlNameToAtt[$Element['name']]))
|
|
1848
|
|
|
{
|
|
1849
|
|
|
$Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]);
|
|
1850
|
|
|
}
|
|
1851
|
|
|
|
|
1852
|
|
|
if ( ! empty($Element['attributes']))
|
|
1853
|
|
|
{
|
|
1854
|
|
|
foreach ($Element['attributes'] as $att => $val)
|
|
1855
|
|
|
{
|
|
1856
|
|
|
# filter out badly parsed attribute
|
|
1857
|
|
|
if ( ! \preg_match($goodAttribute, $att))
|
|
1858
|
|
|
{
|
|
1859
|
|
|
unset($Element['attributes'][$att]);
|
|
1860
|
|
|
}
|
|
1861
|
|
|
# dump onevent attribute
|
|
1862
|
|
|
elseif (self::striAtStart($att, 'on'))
|
|
1863
|
|
|
{
|
|
1864
|
|
|
unset($Element['attributes'][$att]);
|
|
1865
|
|
|
}
|
|
1866
|
|
|
}
|
|
1867
|
|
|
}
|
|
1868
|
|
|
|
|
1869
|
|
|
return $Element;
|
|
1870
|
|
|
}
|
|
1871
|
|
|
|
|
1872
|
|
|
protected function filterUnsafeUrlInAttribute(array $Element, $attribute)
|
|
1873
|
|
|
{
|
|
1874
|
|
|
foreach ($this->safeLinksWhitelist as $scheme)
|
|
1875
|
|
|
{
|
|
1876
|
|
|
if (self::striAtStart($Element['attributes'][$attribute], $scheme))
|
|
1877
|
|
|
{
|
|
1878
|
|
|
return $Element;
|
|
1879
|
|
|
}
|
|
1880
|
|
|
}
|
|
1881
|
|
|
|
|
1882
|
|
|
$Element['attributes'][$attribute] = \str_replace(':', '%3A', $Element['attributes'][$attribute]);
|
|
1883
|
|
|
|
|
1884
|
|
|
return $Element;
|
|
1885
|
|
|
}
|
|
1886
|
|
|
|
|
1887
|
|
|
#
|
|
1888
|
|
|
# Static Methods
|
|
1889
|
|
|
#
|
|
1890
|
|
|
|
|
1891
|
|
|
protected static function escape($text, $allowQuotes = false)
|
|
1892
|
|
|
{
|
|
1893
|
|
|
return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8');
|
|
1894
|
|
|
}
|
|
1895
|
|
|
|
|
1896
|
|
|
protected static function striAtStart($string, $needle)
|
|
1897
|
|
|
{
|
|
1898
|
|
|
$len = \strlen($needle);
|
|
1899
|
|
|
|
|
1900
|
|
|
if ($len > \strlen($string))
|
|
1901
|
|
|
{
|
|
1902
|
|
|
return false;
|
|
1903
|
|
|
}
|
|
1904
|
|
|
else
|
|
1905
|
|
|
{
|
|
1906
|
|
|
return strtolower(\substr($string, 0, $len)) === strtolower($needle);
|
|
1907
|
|
|
}
|
|
1908
|
|
|
}
|
|
1909
|
|
|
|
|
1910
|
|
|
static function instance($name = 'default')
|
|
|
|
|
|
|
1911
|
|
|
{
|
|
1912
|
|
|
if (isset(self::$instances[$name]))
|
|
1913
|
|
|
{
|
|
1914
|
|
|
return self::$instances[$name];
|
|
1915
|
|
|
}
|
|
1916
|
|
|
|
|
1917
|
|
|
$instance = new static();
|
|
1918
|
|
|
|
|
1919
|
|
|
self::$instances[$name] = $instance;
|
|
1920
|
|
|
|
|
1921
|
|
|
return $instance;
|
|
1922
|
|
|
}
|
|
1923
|
|
|
|
|
1924
|
|
|
private static $instances = [];
|
|
1925
|
|
|
|
|
1926
|
|
|
#
|
|
1927
|
|
|
# Fields
|
|
1928
|
|
|
#
|
|
1929
|
|
|
|
|
1930
|
|
|
protected $DefinitionData;
|
|
1931
|
|
|
|
|
1932
|
|
|
#
|
|
1933
|
|
|
# Read-Only
|
|
1934
|
|
|
|
|
1935
|
|
|
protected $specialCharacters = [
|
|
1936
|
|
|
'\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|', '~'
|
|
1937
|
|
|
];
|
|
1938
|
|
|
|
|
1939
|
|
|
protected $StrongRegex = [
|
|
1940
|
|
|
'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*+[*])+?)[*]{2}(?![*])/s',
|
|
1941
|
|
|
'_' => '/^__((?:\\\\_|[^_]|_[^_]*+_)+?)__(?!_)/us',
|
|
1942
|
|
|
];
|
|
1943
|
|
|
|
|
1944
|
|
|
protected $EmRegex = [
|
|
1945
|
|
|
'*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s',
|
|
1946
|
|
|
'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us',
|
|
1947
|
|
|
];
|
|
1948
|
|
|
|
|
1949
|
|
|
protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+';
|
|
1950
|
|
|
|
|
1951
|
|
|
protected $voidElements = [
|
|
1952
|
|
|
'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source',
|
|
1953
|
|
|
];
|
|
1954
|
|
|
|
|
1955
|
|
|
protected $textLevelElements = [
|
|
1956
|
|
|
'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont',
|
|
1957
|
|
|
'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing',
|
|
1958
|
|
|
'i', 'rp', 'del', 'code', 'strike', 'marquee',
|
|
1959
|
|
|
'q', 'rt', 'ins', 'font', 'strong',
|
|
1960
|
|
|
's', 'tt', 'kbd', 'mark',
|
|
1961
|
|
|
'u', 'xm', 'sub', 'nobr',
|
|
1962
|
|
|
'sup', 'ruby',
|
|
1963
|
|
|
'var', 'span',
|
|
1964
|
|
|
'wbr', 'time',
|
|
1965
|
|
|
];
|
|
1966
|
|
|
}
|
|
1967
|
|
|
|
ggoffy /
wggithub
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.