head_zipwriter.js - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

*/

const NS_ERROR_IN_PROGRESS = 2152398863;

const PR_RDONLY = 0x01;

const PR_WRONLY = 0x02;

const PR_RDWR = 0x04;

const PR_CREATE_FILE = 0x08;

const PR_APPEND = 0x10;

const PR_TRUNCATE = 0x20;

const PR_SYNC = 0x40;

const PR_EXCL = 0x80;

const ZIP_EOCDR_HEADER_SIZE = 22;

const ZIP_FILE_HEADER_SIZE = 30;

const ZIP_CDS_HEADER_SIZE = 46;

const ZIP_METHOD_STORE = 0;

const ZIP_METHOD_DEFLATE = 8;

const ZIP_EXTENDED_TIMESTAMP_SIZE = 9;

const PR_USEC_PER_MSEC = 1000;

const PR_USEC_PER_SEC = 1000000;

const PR_MSEC_PER_SEC = 1000;

const DATA_DIR = "data/";

var ioSvc = Services.io;

var ZipWriter = Components.Constructor(

  "@mozilla.org/zipwriter;1",

  "nsIZipWriter"

);

var ZipReader = Components.Constructor(

  "@mozilla.org/libjar/zip-reader;1",

  "nsIZipReader",

  "open"

);

var tmpDir = do_get_profile();

var tmpFile = tmpDir.clone();

tmpFile.append("zipwriter-test.zip");

if (tmpFile.exists()) {

  tmpFile.remove(true);

var zipW = new ZipWriter();

registerCleanupFunction(function () {

  try {

    zipW.close();

  } catch (e) {

    // Just ignore a failure here and attempt to delete the file anyway.

  if (tmpFile.exists()) {

    tmpFile.remove(true);

});