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Implement List
This commit is contained in:
Aidan Woods
parent
07c2566042
commit
a95bc60c30
286
src/Components/Blocks/TList.php
Normal file
286
src/Components/Blocks/TList.php
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@ -0,0 +1,286 @@
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<?php
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namespace Erusev\Parsedown\Components\Blocks;
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use Erusev\Parsedown\AST\Handler;
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use Erusev\Parsedown\AST\StateRenderable;
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use Erusev\Parsedown\Components\Block;
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use Erusev\Parsedown\Components\ContinuableBlock;
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use Erusev\Parsedown\Html\Renderables\Element;
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use Erusev\Parsedown\Parsedown;
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use Erusev\Parsedown\Parsing\Context;
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use Erusev\Parsedown\Parsing\Lines;
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use Erusev\Parsedown\State;
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final class TList implements ContinuableBlock
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{
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use ContinuableBlockDefaultInterrupt, BlockAcquisition;
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/** @var Lines[] */
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private $Lis;
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/** @var string|null */
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private $listStart;
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/** @var bool */
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private $isLoose;
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/** @var int */
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private $indent;
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/** @var 'ul'|'ol' */
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private $type;
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/** @var string */
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private $marker;
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/** @var string */
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private $markerType;
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/** @var string */
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private $markerTypeRegex;
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/**
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* @param Lines[] $Lis
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* @param string|null $listStart
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* @param bool $isLoose
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* @param int $indent
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* @param 'ul'|'ol' $type
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* @param string $marker
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* @param string $markerType
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* @param string $markerTypeRegex
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*/
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public function __construct(
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$Lis,
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$listStart,
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$isLoose,
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$indent,
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$type,
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$marker,
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$markerType,
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$markerTypeRegex
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) {
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$this->Lis = $Lis;
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$this->listStart = $listStart;
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$this->isLoose = $isLoose;
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$this->indent = $indent;
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$this->type = $type;
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$this->marker = $marker;
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$this->markerType = $markerType;
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$this->markerTypeRegex = $markerTypeRegex;
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}
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/**
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* @param Context $Context
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* @param Block|null $Block
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* @param State|null $State
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* @return static|null
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*/
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public static function build(
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Context $Context,
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Block $Block = null,
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State $State = null
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) {
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list($type, $pattern) = (
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$Context->line()->text()[0] <= '-'
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? ['ul', '[*+-]']
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: ['ol', '[0-9]{1,9}+[.\)]']
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);
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if (\preg_match(
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'/^('.$pattern.'([ ]++|$))(.*+)/',
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$Context->line()->text(),
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$matches
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)) {
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$contentIndent = \strlen($matches[2]);
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if ($contentIndent >= 5) {
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$contentIndent -= 1;
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$matches[1] = \substr($matches[1], 0, -$contentIndent);
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$matches[3] = \str_repeat(' ', $contentIndent) . $matches[3];
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} elseif ($contentIndent === 0) {
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$matches[1] .= ' ';
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}
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$text = $matches[3];
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$markerWithoutWhitespace = \rtrim($matches[1], " \t");
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$marker = $matches[1];
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$indent = $Context->line()->indent();
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent() + \strlen($marker);
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$markerType = (
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$type === 'ul'
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? $markerWithoutWhitespace
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: \substr($markerWithoutWhitespace, -1)
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);
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$markerTypeRegex = \preg_quote($markerType, '/');
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/** @var string|null */
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$listStart = null;
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if ($type === 'ol') {
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/** @psalm-suppress PossiblyFalseArgument */
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$listStart = \ltrim(\strstr($matches[1], $markerType, true), '0') ?: '0';
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if (
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$listStart !== '1'
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and isset($Block)
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and $Block instanceof Paragraph
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and ! $Context->previousEmptyLines() > 0
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) {
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return null;
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}
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}
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return new self(
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[!empty($text) ? Lines::fromTextLines($text, $indentOffset) : Lines::none()],
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$listStart,
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false,
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$indent,
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$type,
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$marker,
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$markerType,
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$markerTypeRegex
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);
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}
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}
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/**
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* @param Context $Context
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* @return self|null
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*/
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public function continue(Context $Context)
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{
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if ($this->interrupted and \end($this->Lis)->isEmpty()) {
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return null;
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}
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$requiredIndent = $this->indent + \strlen($this->marker);
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$isLoose = $this->isLoose;
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$indent = $Context->line()->indent();
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$Lis = $this->Lis;
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if ($Context->line()->indent() < $requiredIndent
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&& ((
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$this->type === 'ol'
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&& \preg_match('/^([0-9]++'.$this->markerTypeRegex.')(?:[ ]++(.*)|$)/', $Context->line()->text(), $matches)
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) || (
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$this->type === 'ul'
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&& \preg_match('/^('.$this->markerTypeRegex.')(?:[ ]++(.*)|$)/', $Context->line()->text(), $matches)
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))
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) {
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if ($Context->previousEmptyLines() > 0) {
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$Lis[\count($Lis) -1] = $Lis[\count($Lis) -1]->appendingBlankLines(1);
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$isLoose = true;
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}
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$text = isset($matches[2]) ? $matches[2] : '';
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent() + \strlen($matches[1]);
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$Lis[] = Lines::fromTextLines($text, $indentOffset);
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return new self(
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$Lis,
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$this->listStart,
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$isLoose,
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$indent,
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$this->type,
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$this->marker,
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$this->markerType,
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$this->markerTypeRegex
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);
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} elseif ($Context->line()->indent() < $requiredIndent && self::build($Context) !== null) {
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return null;
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}
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if ($Context->line()->indent() >= $requiredIndent) {
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if ($Context->previousEmptyLines() > 0) {
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$Lis[\count($Lis) -1] = $Lis[\count($Lis) -1]->appendingBlankLines(1);
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$isLoose = true;
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}
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$text = $Context->line()->ltrimBodyUpto($requiredIndent);
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent();
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$Lis[\count($Lis) -1] = $Lis[\count($Lis) -1]->appendingTextLines($text, $indentOffset);
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return new self(
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$Lis,
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$this->listStart,
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$isLoose,
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$this->indent,
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$this->type,
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$this->marker,
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$this->markerType,
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$this->markerTypeRegex
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);
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}
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if (! $Context->previousEmptyLines() > 0) {
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$text = $Context->line()->ltrimBodyUpto($requiredIndent);
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent();
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$Lis[\count($Lis) -1] = $Lis[\count($Lis) -1]->appendingTextLines($text, $indentOffset);
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return new self(
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$Lis,
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$this->listStart,
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$isLoose,
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$this->indent,
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$this->type,
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$this->marker,
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$this->markerType,
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$this->markerTypeRegex
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);
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}
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return null;
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}
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/**
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* @return Handler<Element>
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*/
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public function stateRenderable(Parsedown $Parsedown)
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{
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return new Handler(
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/** @return Element */
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function (State $State) use ($Parsedown) {
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return new Element(
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$this->type,
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(
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isset($this->listStart) && $this->listStart !== '1'
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? ['start' => $this->listStart]
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: []
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),
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\array_map(
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/** @return Element */
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function (Lines $Lines) use ($State, $Parsedown) {
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if ($this->isLoose && $Lines->trailingBlankLines() === 0) {
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$Lines = $Lines->appendingBlankLines(1);
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}
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$Renderables = $State->applyTo($Parsedown->lines($Lines));
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if (! $Lines->containsBlankLines()
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and isset($Renderables[0])
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and $Renderables[0] instanceof Element
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and $Renderables[0]->name() === 'p'
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) {
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$Contents = $Renderables[0]->contents();
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unset($Renderables[0]);
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$Renderables = \array_merge($Contents ?: [], $Renderables);
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}
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return new Element('li', [], $Renderables);
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},
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$this->Lis
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)
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);
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}
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);
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}
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}
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@ -334,163 +334,6 @@ class Parsedown
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return $Block;
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}
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#
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# List
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protected function blockList(Context $Context, array $CurrentBlock = null)
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{
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list($name, $pattern) = $Context->line()->text()[0] <= '-' ? ['ul', '[*+-]'] : ['ol', '[0-9]{1,9}+[.\)]'];
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if (\preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Context->line()->text(), $matches)) {
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$contentIndent = \strlen($matches[2]);
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if ($contentIndent >= 5) {
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$contentIndent -= 1;
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$matches[1] = \substr($matches[1], 0, -$contentIndent);
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$matches[3] = \str_repeat(' ', $contentIndent) . $matches[3];
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} elseif ($contentIndent === 0) {
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$matches[1] .= ' ';
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}
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$markerWithoutWhitespace = \strstr($matches[1], ' ', true);
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$Block = [
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'indent' => $Context->line()->indent(),
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'pattern' => $pattern,
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'data' => [
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'type' => $name,
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'marker' => $matches[1],
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'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : \substr($markerWithoutWhitespace, -1)),
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],
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'element' => [
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'name' => $name,
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'elements' => [],
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],
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];
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$Block['data']['markerTypeRegex'] = \preg_quote($Block['data']['markerType'], '/');
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if ($name === 'ol') {
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$listStart = \ltrim(\strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0';
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if ($listStart !== '1') {
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if (
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isset($CurrentBlock)
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and $CurrentBlock['type'] === 'Paragraph'
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and ! $Context->previousEmptyLines() > 0
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) {
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return;
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}
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$Block['element']['attributes'] = ['start' => $listStart];
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}
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}
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$Block['li'] = [
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'name' => 'li',
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'handler' => [
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'function' => 'li',
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'argument' => !empty($matches[3]) ? Lines::fromTextLines($matches[3], 0) : Lines::none(),
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'destination' => 'elements'
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]
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];
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$Block['element']['elements'] []= & $Block['li'];
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return $Block;
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}
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}
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protected function blockListContinue(Context $Context, array $Block)
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{
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if ($Context->previousEmptyLines() > 0 and $Block['li']['handler']['argument']->isEmpty()) {
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return null;
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}
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$requiredIndent = ($Block['indent'] + \strlen($Block['data']['marker']));
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if ($Context->line()->indent() < $requiredIndent
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and (
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(
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$Block['data']['type'] === 'ol'
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and \preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Context->line()->text(), $matches)
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) or (
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$Block['data']['type'] === 'ul'
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and \preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Context->line()->text(), $matches)
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)
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)
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) {
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if ($Context->previousEmptyLines() > 0) {
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$Block['li']['handler']['argument'] = $Block['li']['handler']['argument']->appendingBlankLines(1);
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$Block['loose'] = true;
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unset($Block['interrupted']);
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}
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unset($Block['li']);
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$text = isset($matches[1]) ? $matches[1] : '';
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$Block['indent'] = $Context->line()->indent();
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$Block['li'] = [
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'name' => 'li',
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'handler' => [
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'function' => 'li',
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'argument' => Lines::fromTextLines($text, 0),
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'destination' => 'elements'
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]
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];
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$Block['element']['elements'] []= & $Block['li'];
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return $Block;
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} elseif ($Context->line()->indent() < $requiredIndent and $this->blockList($Context)) {
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return null;
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}
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if ($Context->line()->text()[0] === '[' and $this->blockReference($Context)) {
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return $Block;
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}
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if ($Context->line()->indent() >= $requiredIndent) {
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if ($Context->previousEmptyLines() > 0) {
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$Block['li']['handler']['argument'] = $Block['li']['handler']['argument']->appendingBlankLines(1);
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$Block['loose'] = true;
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unset($Block['interrupted']);
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}
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$text = $Context->line()->ltrimBodyUpto($requiredIndent);
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$Block['li']['handler']['argument'] = $Block['li']['handler']['argument']->appendingTextLines($text, 0);
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return $Block;
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}
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if (! $Context->previousEmptyLines() > 0) {
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$text = $Context->line()->ltrimBodyUpto($requiredIndent);
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$Block['li']['handler']['argument'] = $Block['li']['handler']['argument']->appendingTextLines($text, 0);
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return $Block;
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}
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}
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protected function blockListComplete(array $Block)
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{
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if (isset($Block['loose'])) {
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foreach ($Block['element']['elements'] as &$li) {
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if ($li['handler']['argument']->trailingBlankLines() === 0) {
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$li['handler']['argument'] = $li['handler']['argument']->appendingBlankLines(1);
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}
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}
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}
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return $Block;
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}
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#
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# Rule
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