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libphutil/src/markup/engine/remarkup/blockrule/PhutilRemarkupEngineRemarkupSimpleTableBlockRule.php
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PhutilRemarkupEngineRemarkupSimpleTableBlockRule.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @group markup
*/
final class PhutilRemarkupEngineRemarkupSimpleTableBlockRule
extends PhutilRemarkupEngineBlockRule {
public function getBlockPattern() {
return '/^(\|.*+\n?)+$/';
}
public function shouldMergeBlocks() {
return false;
}
public function markupText($text) {
$matches = array();
$rows = array();
foreach (explode("\n", $text) as $line) {
// Ignore ending delimiters.
$line = rtrim($line, '|');
preg_match_all('/\|([^|]*)/', $line, $matches);
$headings = true;
$cells = array();
foreach ($matches[1] as $cell) {
$cell = trim($cell);
// Cell isn't empty and doesn't look like heading.
if (!preg_match('/^(|--+)$/', $cell)) {
$headings = false;
}
$cells[] = array('type' => 'td', 'content' => $cell);
}
if (!$headings) {
$rows[] = $cells;
} else if ($rows) {
// Mark previous row with headings.
foreach ($cells as $i => $cell) {
if ($cell['content']) {
$rows[last_key($rows)][$i]['type'] = 'th';
}
}
}
}
if (!$rows) {
return $this->applyRules($text);
}
$out = array();
$out[] = "<table class=\"remarkup-table\">\n";
foreach ($rows as $cells) {
$out[] = '<tr>';
foreach ($cells as $cell) {
$out[] = '<'.$cell['type'].'>';
$out[] = $this->applyRules($cell['content']);
$out[] = '</'.$cell['type'].'>';
}
$out[] = "</tr>\n";
}
$out[] = "</table>\n";
return implode($out);
}
}
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