/**
* Returns the debug information
*
* @param integer $index The index
* @param string $input The input
* @param ILess_Environment $env The environment
* @return ILess_DebugInfo
*/
protected function getDebugInfo($index, $input, ILess_Environment $env)
{
list($lineNumber) = ILess_Util::getLocation($input, $index);
return new ILess_DebugInfo($env->currentFileInfo->filename, $lineNumber);
}
/**
* Returns the current line and column
*
* @param ILess_FileInfo|ILess_ImportedFile|string $currentFile The file
* @param integer $index Current position index
* @param boolean $excerpt Include the string excerpt?
* @return array
*/
protected function getLocation($currentFile, $index, $column = null, $excerpt = true)
{
$line = $column = $excerptContent = null;
if ($index !== null && $currentFile) {
$content = null;
if ($currentFile instanceof ILess_FileInfo && $currentFile->importedFile) {
$content = $currentFile->importedFile->getContent();
} elseif (is_string($currentFile) && ILess_Util::isPathAbsolute($currentFile) && is_readable($currentFile)) {
$content = file_get_contents($currentFile);
}
if ($content) {
list($line, $column, $excerptContent) = ILess_Util::getLocation($content, $index, $column, $excerpt);
}
}
return array($line, $column, $excerptContent);
}
