/**
* Returns the debug information.
*
* @param int $index The index
*
* @return \ILess\DebugInfo
*/
protected function getDebugInfo($index)
{
list($lineNumber) = Util::getLocation($this->input->getInput(), $index);
return new DebugInfo($this->context->currentFileInfo->filename, $lineNumber);
}
/**
* Returns the current line and column.
*
* @param FileInfo|ImportedFile|string $currentFile The file
* @param int $index Current position index
* @param bool $excerpt Include the string excerpt?
*
* @return array
*/
protected function getLocation($currentFile, $index, $column = null, $excerpt = true)
{
$line = $col = $excerptContent = null;
if ($index !== null && $currentFile) {
$content = null;
if ($currentFile instanceof FileInfo && $currentFile->importedFile) {
$content = $currentFile->importedFile->getContent();
} elseif (is_string($currentFile) && Util::isPathAbsolute($currentFile) && is_readable($currentFile)) {
$content = file_get_contents($currentFile);
}
if ($content) {
list($line, $col, $excerptContent) = Util::getLocation($content, $index, $column, $excerpt);
}
}
return [$line, $col, $excerptContent];
}
