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PhutilConsoleSyntaxHighlighter.php
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Thu, Apr 3, 16:17

PhutilConsoleSyntaxHighlighter.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.
*/
/**
* Simple syntax highlighter for console output. We just try to highlight the
* commands so it's easier to follow transcripts.
*
* @group markup
*/
final class PhutilConsoleSyntaxHighlighter {
private $config = array();
private $replaceClass;
public function setConfig($key, $value) {
$this->config[$key] = $value;
return $this;
}
public function getHighlightFuture($source) {
$lines = explode("\n", $source);
foreach ($lines as $key => $line) {
$matches = null;
// Parse commands like this:
//
// some/path/ $ ./bin/example # Do things
//
// ...into path, command, and comment components.
if (preg_match('@^(\S+/ )?([$] .*?)(#.*)?$@', $line, $matches)) {
$line = '';
if ($matches[1]) {
$line .= phutil_escape_html($matches[1]);
}
$line .= '<span class="gp">'.phutil_escape_html($matches[2]).'</span>';
if (!empty($matches[3])) {
$line .= '<span class="k">'.phutil_escape_html($matches[3]).'</span>';
}
$lines[$key] = $line;
} else {
$lines[$key] = '<span class="go">'.phutil_escape_html($line).'</span>';
}
}
$lines = implode("\n", $lines);
return new ImmediateFuture($lines);
}
}

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