/**
* Returns the name of the programming language in which the source should have been written. Throws an
* exception with code self::ERROR_INVALID_TYPE if the file's type is not a source code. It also throws an
* exception with code self::ERROR_NOTFOUND_FILE if the file cannot be found.
*/
public function getProgrammingLanguage()
{
if ($this->getType() != self::TYPE_SOURCE) {
throw new ApplicationModelException_File('This method supports only source code type of files.', self::ERROR_INVALID_TYPE);
}
$filePath = $this->getPath();
if (!is_file($filePath)) {
throw new ApplicationModelException_File('Cannot access file ' . $filePath . '.', self::ERROR_NOTFOUND_FILE);
}
$sourceText = substr(file_get_contents($filePath), 0, 20000);
if (isset($this->application->config['file_extensions'][$this->extension])) {
return $this->application->config['file_extensions'][$this->extension];
}
$systemExtension = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
if (isset($this->application->config['file_extensions'][$systemExtension])) {
return $this->application->config['file_extensions'][$systemExtension];
}
$detector = new ProgrammingLanguageDetector();
$detector->importKnowledgeBase(file_get_contents(dirname(__FILE__) . '/../lib/ProgrammingLanguageDetector/knowledge_base.dat'));
return $detector->detect($sourceText);
}
