Viewing file:  CodeParser.php (2.52 KB) -rw-r--r--
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<?php
namespace KKomelin\TranslatableStringExporter\Core;
use Symfony\Component\Finder\SplFileInfo;
class CodeParser
{
/**
* Translation function names.
*
* @var array
*/
protected $functions;
/**
* Base search pattern.
*
* @var string
*/
protected $basePattern = '/([FUNCTIONS])\(\s*([\'"])(?P<string>(?:(?![^\\\]\2).)+.)\2\s*[\),]/u';
/**
* Function-specific search patterns.
*
* @var array
*/
protected $patterns = [];
/**
* Parser constructor.
*
* @return void
*/
public function __construct()
{
$this->functions = config(
'laravel-translatable-string-exporter.functions',
[
'__',
'_t',
'@lang',
]
);
foreach ($this->functions as $key => $value) {
if (\is_numeric($key)) {
$func = $value;
$callable = null;
} else {
$func = $key;
$callable = $value;
}
$pattern_key = str_replace('[FUNCTIONS]', $func, $this->basePattern);
if (config('laravel-translatable-string-exporter.allow-newlines', false)) {
$pattern_key .= 's';
}
$this->patterns[$pattern_key] = $callable;
}
}
/**
* Parse a file in order to find translatable strings.
*
* @param \Symfony\Component\Finder\SplFileInfo $file
* @return array
*/
public function parse(SplFileInfo $file)
{
$strings = [];
foreach ($this->patterns as $pattern => $func) {
preg_match_all($pattern, $file->getContents(), $matches);
foreach ($matches['string'] as $string) {
if (\is_null($func)) {
$strings[] = $string;
} elseif (\is_callable($func)) {
$strings[] = call_user_func($func, $string);
}
}
}
// Remove duplicates.
$strings = array_unique($strings);
return $this->clean($strings);
}
/**
* Provide extra clean up step
* Used for instances of {{ __('We\'re amazing!') }}
* Without clean up: We\'re amazing!
* With clean up: We're amazing!
*
* @param array $strings
* @return array
*/
public function clean(array $strings)
{
return array_map(function ($string) {
return str_replace('\\\'', '\'', $string);
}, $strings);
}
}
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