heimdall-frontend/source/qml/FileUtils.js


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function clipFileExtension(filename) {
    var periodIndex = filename.lastIndexOf('.');

    if (periodIndex > 0) {
        return filename.slice(0, periodIndex - 1);
    } else if (periodIndex === 0) {
        return "";
    }

    return filename;
}

function filenameFromUrl(url) {
    var urlString = url.toString();
    return urlString.slice(urlString.lastIndexOf('/') + 1);
}

function fileExtension(url) {
    var filename = filenameFromUrl(url);
    var periodIndex = filename.lastIndexOf('.');

    if (periodIndex >= 0) {
        return filename.slice(periodIndex + 1);
    }

    return "";
}

// TODO: Real implemention - call out to C++ and validate with QFileInfo etc.
function isFile(url) {
    var filename = filenameFromUrl(url);
    return filename.length > 0;
}

function isArchive(url) {
    var filename = filenameFromUrl(url);
    var extension = fileExtension(filename);
    return (extension === 'tar' || extension === 'zip')
        || (extension === 'gz' && fileExtension(clipFileExtension(filename)) === 'tar');
}

function extractArchive(url) {

}