add in support to filter what files can be synced to the cloud. (and will a...

Edward Rudd

2014-08-30 d24e30a2df586428e7b97004d5abdc88469bccfd

 client/library/library_cloudfs.js

@@ -127,23 +127,47 @@
        },
        // Getting list of entities
        getLocalSet: function(mount, callback) {
            var entries = {};

            function isRealDir(p) {
                return p !== '.' && p !== '..';
            };
            function toAbsolute(root) {
                return function(p) {
                    return PATH.join2(root, p);
                };
            };
            function checkPath(path) {
                for (var i = 0, l = mount.opts.filters.length; i < l; ++i) {
                    var f = mount.opts.filters[i];
                    if (typeof f == 'string') {
                        if (path.lastIndexOf(f, 0) == 0) {
                            return true;
                        }
                    } if (typeof f == 'function') {
                        if (f(path)) {
                            return true;
                        }
                    } if (f instanceof RegExp) {
                        if (f.test(path)) {
                            return true;
                        }
                    }
                }
                return false;
            };

            var check = FS.readdir(mount.mountpoint).filter(isRealDir);
            var entries = {},
                shouldFilter = false,
                check = FS.readdir(mount.mountpoint).filter(isRealDir);

            if (mount.opts.filters) {
                shouldFilter = true;
            }

            while (check.length) {
                var path = check.pop();
                var stat;
                var abs_path = PATH.join2(mount.mountpoint, path);
                var path = check.pop(),
                    stat,
                    keep = true,
                    abs_path = PATH.join2(mount.mountpoint, path);

                try {
                    stat = FS.stat(abs_path);
@@ -153,12 +177,16 @@

                if (FS.isDir(stat.mode)) {
                    check.push.apply(check, FS.readdir(abs_path).filter(isRealDir).map(toAbsolute(path)));
                } else if (shouldFilter) {
                    keep = checkPath(path);
                }

                entries[abs_path] = {
                    timestamp: stat.mtime,
                    path: path
                };
                if (keep) {
                    entries[abs_path] = {
                        timestamp: stat.mtime,
                        path: path
                    };
                }
            }

            return callback(null, { type: 'local', entries: entries });
@@ -281,7 +309,11 @@
            var stat = FS.stat(path);

            if (FS.isDir(stat.mode)) {
              FS.rmdir(path);
              try {
                FS.rmdir(path);
              } catch(e) {
                // it's ok if we can't remove the local folder.. it could be filtered files are in there
              }
            } else if (FS.isFile(stat.mode)) {
              FS.unlink(path);
            }

 client/test/shell.html

@@ -1308,8 +1308,13 @@
          // If the provider isn't available then fallback to using IDBFS
          if (CLOUDFS.validateProvider(provider_name)) {
              FS.mount(CLOUDFS, {
                  // a list of regexes or string prefixes to synchronize
                  sync: [
                  // a list of regexes, string prefixes, or functions for filtering what should be synced to the cloud
                  filters: [
                    'path/', // include paths that begin with this prefix
                    /\.sav/, // include files that end in sav
                    function(path) { // custom function to match
                        return path == 'config.ini';
                    }
                  ],
                  // which provider engine to use.. Looks for a provider in the CLOUD_PROVIDERS object
                  provider: provider_name,
@@ -1352,10 +1357,12 @@
      }
      function populate_user_data()
      {
          FS.createPath('/user_data', 'test/two', true, true);
          FS.writeFile('/user_data/test.txt', 'This is a test');
          FS.writeFile('/user_data/test/file2.txt', 'This is another test');
          FS.writeFile('/user_data/test/two/file3.txt', 'This is another test');
          FS.createPath('/user_data', 'path', true, true);
          FS.writeFile('/user_data/path/myfile.ini', '[myfile]');
          FS.createPath('/user_data', 'ignored', true, true);
          FS.writeFile('/user_data/ignored/test.txt', 'ignored text file');
          FS.writeFile('/user_data/ignored/test.sav', 'Test save file');
          FS.writeFile('/user_data/config.ini', '[config]');
      }
    </script>
    <script async type="text/javascript" src="TestApp.js"></script>