mirror of
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123 lines
3.4 KiB
PHP
123 lines
3.4 KiB
PHP
<?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\Html\Renderables\Text;
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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\Line;
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use Erusev\Parsedown\Parsing\Lines;
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use Erusev\Parsedown\State;
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final class BlockQuote implements ContinuableBlock
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{
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/** @var Lines */
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private $Lines;
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/**
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* @param Lines $Lines
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*/
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private function __construct($Lines)
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{
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$this->Lines = $Lines;
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}
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/**
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* @param Context $Context
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* @param State $State
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* @param Block|null $Block
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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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State $State,
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Block $Block = null
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) {
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if (\preg_match('/^(>[ \t]?+)(.*+)/', $Context->line()->text(), $matches)) {
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent() + \strlen($matches[1]);
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$recoveredSpaces = 0;
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if (\strlen($matches[1]) === 2 && \substr($matches[1], 1, 1) === "\t") {
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$recoveredSpaces = Line::tabShortage(0, $indentOffset -1) -1;
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}
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return new self(Lines::fromTextLines(
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\str_repeat(' ', $recoveredSpaces) . $matches[2],
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$indentOffset
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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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* @param Context $Context
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* @param State $State
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* @return self|null
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*/
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public function advance(Context $Context, State $State)
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{
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if ($Context->previousEmptyLines() > 0) {
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return null;
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}
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if (\preg_match('/^(>[ \t]?+)(.*+)/', $Context->line()->text(), $matches)) {
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent() + \strlen($matches[1]);
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$recoveredSpaces = 0;
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if (\strlen($matches[1]) === 2 && \substr($matches[1], 1, 1) === "\t") {
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$recoveredSpaces = Line::tabShortage(0, $indentOffset -1) -1;
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}
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$Lines = $this->Lines->appendingTextLines(
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\str_repeat(' ', $recoveredSpaces) . $matches[2],
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$indentOffset
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);
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return new self($Lines);
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}
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if (! $Context->previousEmptyLines() > 0) {
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$indentOffset = $Context->line()->indentOffset() + $Context->line()->indent();
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$Lines = $this->Lines->appendingTextLines($Context->line()->text(), $indentOffset);
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return new self($Lines);
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}
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return null;
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}
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/**
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* @return array{0: Block[], 1: State}
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*/
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public function contents(State $State)
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{
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return Parsedown::blocks($this->Lines, $State);
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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()
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{
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return new Handler(
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/** @return Element */
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function (State $State) {
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list($Blocks, $State) = $this->contents($State);
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$StateRenderables = Parsedown::stateRenderablesFrom($Blocks);
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$Renderables = $State->applyTo($StateRenderables);
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$Renderables[] = new Text("\n");
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return new Element('blockquote', [], $Renderables);
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}
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);
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}
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}
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