compound-binary-file-js
Version:
This is an implementation of [Compound Binary File v.3](https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-cfb/53989ce4-7b05-4f8d-829b-d08d6148375b) \ Allows reading existing files, creation of the/write operation
128 lines • 6.14 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var DirectoryEntry_1 = require("./DirectoryEntry");
var RedBlackTree_1 = require("../tree/RedBlackTree");
var Node_1 = require("../tree/Node");
var DirectoryEntryNode_1 = require("./DirectoryEntryNode");
var StreamDirectoryEntry_1 = require("./StreamDirectoryEntry");
var Long = __importStar(require("long"));
require("../Long");
var StorageDirectoryEntry = /** @class */ (function (_super) {
__extends(StorageDirectoryEntry, _super);
function StorageDirectoryEntry(id, directoryEntryChain, view, name, colorFlag, objectType) {
if (objectType === void 0) { objectType = DirectoryEntry_1.ObjectType.Storage; }
var _this = _super.call(this, id, directoryEntryChain, view, name, colorFlag, objectType) || this;
_this.tree = new RedBlackTree_1.RedBlackTree(StorageDirectoryEntry.NODE_FACTORY, function (o1, o2) { return o1.compareTo(o2); });
var child = _this.getChild();
if (child != null) {
_this.tree.setRoot(new DirectoryEntryNode_1.DirectoryEntryNode(child, Node_1.Color.BLACK));
}
return _this;
}
StorageDirectoryEntry.prototype.setChildDirectoryEntry = function (entry) {
this.view.subView(DirectoryEntry_1.DirectoryEntry.FLAG_POSITION.CHILD, DirectoryEntry_1.DirectoryEntry.FLAG_POSITION.CHILD + 4).writeAt(0, Long.fromValue(entry.getId()).to4BytesLE());
};
StorageDirectoryEntry.prototype.addChild = function (entry) {
this.tree.insert(entry);
this.setChildDirectoryEntry(this.tree.getRoot().getValue());
return entry;
};
StorageDirectoryEntry.prototype.addStream = function (name, data) {
return this.addChild(this.directoryEntryChain.createStream(name, DirectoryEntry_1.ColorFlag.RED, data));
};
StorageDirectoryEntry.prototype.addStorage = function (name) {
return this.addChild(this.directoryEntryChain.createStorage(name, DirectoryEntry_1.ColorFlag.RED));
};
StorageDirectoryEntry.prototype.findChild = function (predicate) {
var result;
this.eachChild(function (directoryEntry) {
if (predicate(directoryEntry)) {
result = directoryEntry;
}
}, predicate);
return result;
};
StorageDirectoryEntry.prototype.findChildren = function (predicate) {
var children = [];
this.eachChild(function (directoryEntry) {
if (predicate(directoryEntry)) {
children.push(directoryEntry);
}
}, function () { return false; });
return children;
};
StorageDirectoryEntry.prototype.children = function () {
var children = [];
this.eachChild(function (directoryEntry) {
children.push(directoryEntry);
});
return children;
};
StorageDirectoryEntry.prototype.storages = function () {
return this.children().filter(function (directoryEntry) { return directoryEntry instanceof StorageDirectoryEntry; }).map(function (directoryEntry) { return directoryEntry; });
};
StorageDirectoryEntry.prototype.streams = function () {
return this.children().filter(function (directoryEntry) { return directoryEntry instanceof StreamDirectoryEntry_1.StreamDirectoryEntry; }).map(function (directoryEntry) { return directoryEntry; });
};
StorageDirectoryEntry.prototype.eachChild = function (consumer, stopPredicate) {
if (stopPredicate == null) {
stopPredicate = function () { return false; };
}
var visitedNodes = [];
var currentNode = this.tree.getRoot();
if (currentNode == null) {
return;
}
while (true) {
if (currentNode != null && visitedNodes.indexOf(currentNode.getValue().getId()) === -1) {
visitedNodes.push(currentNode.getValue().getId());
consumer(currentNode.getValue());
if (stopPredicate(currentNode.getValue())) {
break;
}
}
var leftChild = currentNode.getLeftChild();
if (leftChild != null && visitedNodes.indexOf(leftChild.getValue().getId()) === -1) {
currentNode = currentNode.getLeftChild();
continue;
}
var rightChild = currentNode.getRightChild();
if (rightChild != null && visitedNodes.indexOf(rightChild.getValue().getId()) === -1) {
currentNode = currentNode.getRightChild();
continue;
}
var parent_1 = currentNode.getParent();
if (parent_1 != null) {
currentNode = currentNode.getParent();
continue;
}
break;
}
};
StorageDirectoryEntry.NODE_FACTORY = {
create: function (value, color) { return new DirectoryEntryNode_1.DirectoryEntryNode(value, color); }
};
return StorageDirectoryEntry;
}(DirectoryEntry_1.DirectoryEntry));
exports.StorageDirectoryEntry = StorageDirectoryEntry;
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