/usr/share/php/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php is in php-symfony-framework-bundle 2.7.10-0ubuntu2.
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The actual contents of the file can be viewed below.
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/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bundle\FrameworkBundle\Templating\Helper;
use Symfony\Component\Templating\Helper\Helper;
/**
* CodeHelper.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class CodeHelper extends Helper
{
protected $fileLinkFormat;
protected $rootDir;
protected $charset;
/**
* Constructor.
*
* @param string $fileLinkFormat The format for links to source files
* @param string $rootDir The project root directory
* @param string $charset The charset
*/
public function __construct($fileLinkFormat, $rootDir, $charset)
{
$this->fileLinkFormat = $fileLinkFormat ?: ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format');
$this->rootDir = str_replace('\\', '/', $rootDir).'/';
$this->charset = $charset;
}
/**
* Formats an array as a string.
*
* @param array $args The argument array
*
* @return string
*/
public function formatArgsAsText(array $args)
{
return strip_tags($this->formatArgs($args));
}
public function abbrClass($class)
{
$parts = explode('\\', $class);
$short = array_pop($parts);
return sprintf('<abbr title="%s">%s</abbr>', $class, $short);
}
public function abbrMethod($method)
{
if (false !== strpos($method, '::')) {
list($class, $method) = explode('::', $method, 2);
$result = sprintf('%s::%s()', $this->abbrClass($class), $method);
} elseif ('Closure' === $method) {
$result = sprintf('<abbr title="%s">%s</abbr>', $method, $method);
} else {
$result = sprintf('<abbr title="%s">%s</abbr>()', $method, $method);
}
return $result;
}
/**
* Formats an array as a string.
*
* @param array $args The argument array
*
* @return string
*/
public function formatArgs(array $args)
{
$result = array();
foreach ($args as $key => $item) {
if ('object' === $item[0]) {
$parts = explode('\\', $item[1]);
$short = array_pop($parts);
$formattedValue = sprintf('<em>object</em>(<abbr title="%s">%s</abbr>)', $item[1], $short);
} elseif ('array' === $item[0]) {
$formattedValue = sprintf('<em>array</em>(%s)', is_array($item[1]) ? $this->formatArgs($item[1]) : $item[1]);
} elseif ('string' === $item[0]) {
$formattedValue = sprintf("'%s'", htmlspecialchars($item[1], ENT_QUOTES, $this->getCharset()));
} elseif ('null' === $item[0]) {
$formattedValue = '<em>null</em>';
} elseif ('boolean' === $item[0]) {
$formattedValue = '<em>'.strtolower(var_export($item[1], true)).'</em>';
} elseif ('resource' === $item[0]) {
$formattedValue = '<em>resource</em>';
} else {
$formattedValue = str_replace("\n", '', var_export(htmlspecialchars((string) $item[1], ENT_QUOTES, $this->getCharset()), true));
}
$result[] = is_int($key) ? $formattedValue : sprintf("'%s' => %s", $key, $formattedValue);
}
return implode(', ', $result);
}
/**
* Returns an excerpt of a code file around the given line number.
*
* @param string $file A file path
* @param int $line The selected line number
*
* @return string An HTML string
*/
public function fileExcerpt($file, $line)
{
if (is_readable($file)) {
if (extension_loaded('fileinfo')) {
$finfo = new \Finfo();
// Check if the file is an application/octet-stream (eg. Phar file) because highlight_file cannot parse these files
if ('application/octet-stream' === $finfo->file($file, FILEINFO_MIME_TYPE)) {
return;
}
}
// highlight_file could throw warnings
// see https://bugs.php.net/bug.php?id=25725
$code = @highlight_file($file, true);
// remove main code/span tags
$code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
$content = preg_split('#<br />#', $code);
$lines = array();
for ($i = max($line - 3, 1), $max = min($line + 3, count($content)); $i <= $max; ++$i) {
$lines[] = '<li'.($i == $line ? ' class="selected"' : '').'><code>'.self::fixCodeMarkup($content[$i - 1]).'</code></li>';
}
return '<ol start="'.max($line - 3, 1).'">'.implode("\n", $lines).'</ol>';
}
}
/**
* Formats a file path.
*
* @param string $file An absolute file path
* @param int $line The line number
* @param string $text Use this text for the link rather than the file path
*
* @return string
*/
public function formatFile($file, $line, $text = null)
{
if (PHP_VERSION_ID >= 50400) {
$flags = ENT_QUOTES | ENT_SUBSTITUTE;
} else {
$flags = ENT_QUOTES;
}
if (null === $text) {
$file = trim($file);
$fileStr = $file;
if (0 === strpos($fileStr, $this->rootDir)) {
$fileStr = str_replace($this->rootDir, '', str_replace('\\', '/', $fileStr));
$fileStr = htmlspecialchars($fileStr, $flags, $this->charset);
$fileStr = sprintf('<abbr title="%s">kernel.root_dir</abbr>/%s', htmlspecialchars($this->rootDir, $flags, $this->charset), $fileStr);
}
$text = sprintf('%s at line %d', $fileStr, $line);
}
if (false !== $link = $this->getFileLink($file, $line)) {
return sprintf('<a href="%s" title="Click to open this file" class="file_link">%s</a>', htmlspecialchars($link, $flags, $this->charset), $text);
}
return $text;
}
/**
* Returns the link for a given file/line pair.
*
* @param string $file An absolute file path
* @param int $line The line number
*
* @return string A link of false
*/
public function getFileLink($file, $line)
{
if ($this->fileLinkFormat && is_file($file)) {
return strtr($this->fileLinkFormat, array('%f' => $file, '%l' => $line));
}
return false;
}
public function formatFileFromText($text)
{
$that = $this;
return preg_replace_callback('/in ("|")?(.+?)\1(?: +(?:on|at))? +line (\d+)/s', function ($match) use ($that) {
return 'in '.$that->formatFile($match[2], $match[3]);
}, $text);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'code';
}
protected static function fixCodeMarkup($line)
{
// </span> ending tag from previous line
$opening = strpos($line, '<span');
$closing = strpos($line, '</span>');
if (false !== $closing && (false === $opening || $closing < $opening)) {
$line = substr_replace($line, '', $closing, 7);
}
// missing </span> tag at the end of line
$opening = strpos($line, '<span');
$closing = strpos($line, '</span>');
if (false !== $opening && (false === $closing || $closing > $opening)) {
$line .= '</span>';
}
return $line;
}
}
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