Function generateZipParts

static/word2md/mammoth.browser.js:13096–13257

(name, file, compressedObject, offset, platform)

 * @return {object} the zip parts.
 */
var generateZipParts = function(name, file, compressedObject, offset, platform) {
    var data = compressedObject.compressedContent,
        utfEncodedFileName = utils.transformTo("string", utf8.utf8encode(file.name)),
        comment = file.comment || "",
        utfEncodedComment = utils.transformTo("string", utf8.utf8encode(comment)),
        useUTF8ForFileName = utfEncodedFileName.length !== file.name.length,
        useUTF8ForComment = utfEncodedComment.length !== comment.length,
        o = file.options,
        dosTime,
        dosDate,
        extraFields = "",
        unicodePathExtraField = "",
        unicodeCommentExtraField = "",
        dir, date;


    // handle the deprecated options.dir
    if (file._initialMetadata.dir !== file.dir) {
        dir = file.dir;
    } else {
        dir = o.dir;
    }

    // handle the deprecated options.date
    if(file._initialMetadata.date !== file.date) {
        date = file.date;
    } else {
        date = o.date;
    }

    var extFileAttr = 0;
    var versionMadeBy = 0;
    if (dir) {
        // dos or unix, we set the dos dir flag
        extFileAttr |= 0x00010;
    }
    if(platform === "UNIX") {
        versionMadeBy = 0x031E; // UNIX, version 3.0
        extFileAttr |= generateUnixExternalFileAttr(file.unixPermissions, dir);
    } else { // DOS or other, fallback to DOS
        versionMadeBy = 0x0014; // DOS, version 2.0
        extFileAttr |= generateDosExternalFileAttr(file.dosPermissions, dir);
    }

    // date
    // @see http://www.delorie.com/djgpp/doc/rbinter/it/52/13.html
    // @see http://www.delorie.com/djgpp/doc/rbinter/it/65/16.html
    // @see http://www.delorie.com/djgpp/doc/rbinter/it/66/16.html

    dosTime = date.getHours();
    dosTime = dosTime << 6;
    dosTime = dosTime | date.getMinutes();
    dosTime = dosTime << 5;
    dosTime = dosTime | date.getSeconds() / 2;

    dosDate = date.getFullYear() - 1980;
    dosDate = dosDate << 4;
    dosDate = dosDate | (date.getMonth() + 1);