Differential D20774 Diff 49536 src/infrastructure/markup/blockrule/PhutilRemarkupBlockRule.php

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src/infrastructure/markup/blockrule/PhutilRemarkupBlockRule.php

This file was added.

				<?php

				abstract class PhutilRemarkupBlockRule extends Phobject {

				private $engine;
				private $rules = array();

				/**
				* Determine the order in which blocks execute. Blocks with smaller priority
				* numbers execute sooner than blocks with larger priority numbers. The
				* default priority for blocks is `500`.
				*
				* Priorities are used to disambiguate syntax which can match multiple
				* patterns. For example, ` - Lorem ipsum...` may be a code block or a
				* list.
				*
				* @return int Priority at which this block should execute.
				*/
				public function getPriority() {
				return 500;
				}

				final public function getPriorityVector() {
				return id(new PhutilSortVector())
				->addInt($this->getPriority())
				->addString(get_class($this));
				}

				abstract public function markupText($text, $children);

				/**
				* This will get an array of unparsed lines and return the number of lines
				* from the first array value that it can parse.
				*
				* @param array $lines
				* @param int $cursor
				*
				* @return int
				*/
				abstract public function getMatchingLineCount(array $lines, $cursor);

				protected function didMarkupText() {
				return;
				}

				final public function setEngine(PhutilRemarkupEngine $engine) {
				$this->engine = $engine;
				$this->updateRules();
				return $this;
				}

				final protected function getEngine() {
				return $this->engine;
				}

				public function setMarkupRules(array $rules) {
				assert_instances_of($rules, 'PhutilRemarkupRule');
				$this->rules = $rules;
				$this->updateRules();
				return $this;
				}

				private function updateRules() {
				$engine = $this->getEngine();
				if ($engine) {
				$this->rules = msort($this->rules, 'getPriority');
				foreach ($this->rules as $rule) {
				$rule->setEngine($engine);
				}
				}
				return $this;
				}

				final public function getMarkupRules() {
				return $this->rules;
				}

				final public function postprocess() {
				$this->didMarkupText();
				}

				final protected function applyRules($text) {
				foreach ($this->getMarkupRules() as $rule) {
				$text = $rule->apply($text);
				}
				return $text;
				}

				public function supportsChildBlocks() {
				return false;
				}

				public function extractChildText($text) {
				throw new PhutilMethodNotImplementedException();
				}

				protected function renderRemarkupTable(array $out_rows) {
				assert_instances_of($out_rows, 'array');

				if ($this->getEngine()->isTextMode()) {
				$lengths = array();
				foreach ($out_rows as $r => $row) {
				foreach ($row['content'] as $c => $cell) {
				$text = $this->getEngine()->restoreText($cell['content']);
				$lengths[$c][$r] = phutil_utf8_strlen($text);
				}
				}
				$max_lengths = array_map('max', $lengths);

				$out = array();
				foreach ($out_rows as $r => $row) {
				$headings = false;
				foreach ($row['content'] as $c => $cell) {
				$length = $max_lengths[$c] - $lengths[$c][$r];
				$out[] = '\| '.$cell['content'].str_repeat(' ', $length).' ';
				if ($cell['type'] == 'th') {
				$headings = true;
				}
				}
				$out[] = "\|\n";

				if ($headings) {
				foreach ($row['content'] as $c => $cell) {
				$char = ($cell['type'] == 'th' ? '-' : ' ');
				$out[] = '\| '.str_repeat($char, $max_lengths[$c]).' ';
				}
				$out[] = "\|\n";
				}
				}

				return rtrim(implode('', $out), "\n");
				}

				if ($this->getEngine()->isHTMLMailMode()) {
				$table_attributes = array(
				'style' => 'border-collapse: separate;
				border-spacing: 1px;
				background: #d3d3d3;
				margin: 12px 0;',
				);
				$cell_attributes = array(
				'style' => 'background: #ffffff;
				padding: 3px 6px;',
				);
				} else {
				$table_attributes = array(
				'class' => 'remarkup-table',
				);
				$cell_attributes = array();
				}

				$out = array();
				$out[] = "\n";
				foreach ($out_rows as $row) {
				$cells = array();
				foreach ($row['content'] as $cell) {
				$cells[] = phutil_tag(
				$cell['type'],
				$cell_attributes,
				$cell['content']);
				}
				$out[] = phutil_tag($row['type'], array(), $cells);
				$out[] = "\n";
				}

				$table = phutil_tag('table', $table_attributes, $out);
				return phutil_tag_div('remarkup-table-wrap', $table);
				}

				}