diff options
| author | altaf-creator <dev@altafcreator.com> | 2025-11-16 19:08:29 +0800 |
|---|---|---|
| committer | altaf-creator <dev@altafcreator.com> | 2025-11-16 19:08:29 +0800 |
| commit | 434aa8343fdcbb4d5002f934979913c099489bee (patch) | |
| tree | 55bab4ec5a6151be57797d34f61faf5ea744471b /frontend-old/node_modules/protobufjs/src/writer.js | |
| parent | 893c388d4e99442a36005e5971a87730623f946e (diff) | |
sdk, del
Diffstat (limited to 'frontend-old/node_modules/protobufjs/src/writer.js')
| -rw-r--r-- | frontend-old/node_modules/protobufjs/src/writer.js | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/frontend-old/node_modules/protobufjs/src/writer.js b/frontend-old/node_modules/protobufjs/src/writer.js deleted file mode 100644 index cc84a00..0000000 --- a/frontend-old/node_modules/protobufjs/src/writer.js +++ /dev/null @@ -1,465 +0,0 @@ -"use strict"; -module.exports = Writer; - -var util = require("./util/minimal"); - -var BufferWriter; // cyclic - -var LongBits = util.LongBits, - base64 = util.base64, - utf8 = util.utf8; - -/** - * Constructs a new writer operation instance. - * @classdesc Scheduled writer operation. - * @constructor - * @param {function(*, Uint8Array, number)} fn Function to call - * @param {number} len Value byte length - * @param {*} val Value to write - * @ignore - */ -function Op(fn, len, val) { - - /** - * Function to call. - * @type {function(Uint8Array, number, *)} - */ - this.fn = fn; - - /** - * Value byte length. - * @type {number} - */ - this.len = len; - - /** - * Next operation. - * @type {Writer.Op|undefined} - */ - this.next = undefined; - - /** - * Value to write. - * @type {*} - */ - this.val = val; // type varies -} - -/* istanbul ignore next */ -function noop() {} // eslint-disable-line no-empty-function - -/** - * Constructs a new writer state instance. - * @classdesc Copied writer state. - * @memberof Writer - * @constructor - * @param {Writer} writer Writer to copy state from - * @ignore - */ -function State(writer) { - - /** - * Current head. - * @type {Writer.Op} - */ - this.head = writer.head; - - /** - * Current tail. - * @type {Writer.Op} - */ - this.tail = writer.tail; - - /** - * Current buffer length. - * @type {number} - */ - this.len = writer.len; - - /** - * Next state. - * @type {State|null} - */ - this.next = writer.states; -} - -/** - * Constructs a new writer instance. - * @classdesc Wire format writer using `Uint8Array` if available, otherwise `Array`. - * @constructor - */ -function Writer() { - - /** - * Current length. - * @type {number} - */ - this.len = 0; - - /** - * Operations head. - * @type {Object} - */ - this.head = new Op(noop, 0, 0); - - /** - * Operations tail - * @type {Object} - */ - this.tail = this.head; - - /** - * Linked forked states. - * @type {Object|null} - */ - this.states = null; - - // When a value is written, the writer calculates its byte length and puts it into a linked - // list of operations to perform when finish() is called. This both allows us to allocate - // buffers of the exact required size and reduces the amount of work we have to do compared - // to first calculating over objects and then encoding over objects. In our case, the encoding - // part is just a linked list walk calling operations with already prepared values. -} - -var create = function create() { - return util.Buffer - ? function create_buffer_setup() { - return (Writer.create = function create_buffer() { - return new BufferWriter(); - })(); - } - /* istanbul ignore next */ - : function create_array() { - return new Writer(); - }; -}; - -/** - * Creates a new writer. - * @function - * @returns {BufferWriter|Writer} A {@link BufferWriter} when Buffers are supported, otherwise a {@link Writer} - */ -Writer.create = create(); - -/** - * Allocates a buffer of the specified size. - * @param {number} size Buffer size - * @returns {Uint8Array} Buffer - */ -Writer.alloc = function alloc(size) { - return new util.Array(size); -}; - -// Use Uint8Array buffer pool in the browser, just like node does with buffers -/* istanbul ignore else */ -if (util.Array !== Array) - Writer.alloc = util.pool(Writer.alloc, util.Array.prototype.subarray); - -/** - * Pushes a new operation to the queue. - * @param {function(Uint8Array, number, *)} fn Function to call - * @param {number} len Value byte length - * @param {number} val Value to write - * @returns {Writer} `this` - * @private - */ -Writer.prototype._push = function push(fn, len, val) { - this.tail = this.tail.next = new Op(fn, len, val); - this.len += len; - return this; -}; - -function writeByte(val, buf, pos) { - buf[pos] = val & 255; -} - -function writeVarint32(val, buf, pos) { - while (val > 127) { - buf[pos++] = val & 127 | 128; - val >>>= 7; - } - buf[pos] = val; -} - -/** - * Constructs a new varint writer operation instance. - * @classdesc Scheduled varint writer operation. - * @extends Op - * @constructor - * @param {number} len Value byte length - * @param {number} val Value to write - * @ignore - */ -function VarintOp(len, val) { - this.len = len; - this.next = undefined; - this.val = val; -} - -VarintOp.prototype = Object.create(Op.prototype); -VarintOp.prototype.fn = writeVarint32; - -/** - * Writes an unsigned 32 bit value as a varint. - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.uint32 = function write_uint32(value) { - // here, the call to this.push has been inlined and a varint specific Op subclass is used. - // uint32 is by far the most frequently used operation and benefits significantly from this. - this.len += (this.tail = this.tail.next = new VarintOp( - (value = value >>> 0) - < 128 ? 1 - : value < 16384 ? 2 - : value < 2097152 ? 3 - : value < 268435456 ? 4 - : 5, - value)).len; - return this; -}; - -/** - * Writes a signed 32 bit value as a varint. - * @function - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.int32 = function write_int32(value) { - return value < 0 - ? this._push(writeVarint64, 10, LongBits.fromNumber(value)) // 10 bytes per spec - : this.uint32(value); -}; - -/** - * Writes a 32 bit value as a varint, zig-zag encoded. - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.sint32 = function write_sint32(value) { - return this.uint32((value << 1 ^ value >> 31) >>> 0); -}; - -function writeVarint64(val, buf, pos) { - while (val.hi) { - buf[pos++] = val.lo & 127 | 128; - val.lo = (val.lo >>> 7 | val.hi << 25) >>> 0; - val.hi >>>= 7; - } - while (val.lo > 127) { - buf[pos++] = val.lo & 127 | 128; - val.lo = val.lo >>> 7; - } - buf[pos++] = val.lo; -} - -/** - * Writes an unsigned 64 bit value as a varint. - * @param {Long|number|string} value Value to write - * @returns {Writer} `this` - * @throws {TypeError} If `value` is a string and no long library is present. - */ -Writer.prototype.uint64 = function write_uint64(value) { - var bits = LongBits.from(value); - return this._push(writeVarint64, bits.length(), bits); -}; - -/** - * Writes a signed 64 bit value as a varint. - * @function - * @param {Long|number|string} value Value to write - * @returns {Writer} `this` - * @throws {TypeError} If `value` is a string and no long library is present. - */ -Writer.prototype.int64 = Writer.prototype.uint64; - -/** - * Writes a signed 64 bit value as a varint, zig-zag encoded. - * @param {Long|number|string} value Value to write - * @returns {Writer} `this` - * @throws {TypeError} If `value` is a string and no long library is present. - */ -Writer.prototype.sint64 = function write_sint64(value) { - var bits = LongBits.from(value).zzEncode(); - return this._push(writeVarint64, bits.length(), bits); -}; - -/** - * Writes a boolish value as a varint. - * @param {boolean} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.bool = function write_bool(value) { - return this._push(writeByte, 1, value ? 1 : 0); -}; - -function writeFixed32(val, buf, pos) { - buf[pos ] = val & 255; - buf[pos + 1] = val >>> 8 & 255; - buf[pos + 2] = val >>> 16 & 255; - buf[pos + 3] = val >>> 24; -} - -/** - * Writes an unsigned 32 bit value as fixed 32 bits. - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.fixed32 = function write_fixed32(value) { - return this._push(writeFixed32, 4, value >>> 0); -}; - -/** - * Writes a signed 32 bit value as fixed 32 bits. - * @function - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.sfixed32 = Writer.prototype.fixed32; - -/** - * Writes an unsigned 64 bit value as fixed 64 bits. - * @param {Long|number|string} value Value to write - * @returns {Writer} `this` - * @throws {TypeError} If `value` is a string and no long library is present. - */ -Writer.prototype.fixed64 = function write_fixed64(value) { - var bits = LongBits.from(value); - return this._push(writeFixed32, 4, bits.lo)._push(writeFixed32, 4, bits.hi); -}; - -/** - * Writes a signed 64 bit value as fixed 64 bits. - * @function - * @param {Long|number|string} value Value to write - * @returns {Writer} `this` - * @throws {TypeError} If `value` is a string and no long library is present. - */ -Writer.prototype.sfixed64 = Writer.prototype.fixed64; - -/** - * Writes a float (32 bit). - * @function - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.float = function write_float(value) { - return this._push(util.float.writeFloatLE, 4, value); -}; - -/** - * Writes a double (64 bit float). - * @function - * @param {number} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.double = function write_double(value) { - return this._push(util.float.writeDoubleLE, 8, value); -}; - -var writeBytes = util.Array.prototype.set - ? function writeBytes_set(val, buf, pos) { - buf.set(val, pos); // also works for plain array values - } - /* istanbul ignore next */ - : function writeBytes_for(val, buf, pos) { - for (var i = 0; i < val.length; ++i) - buf[pos + i] = val[i]; - }; - -/** - * Writes a sequence of bytes. - * @param {Uint8Array|string} value Buffer or base64 encoded string to write - * @returns {Writer} `this` - */ -Writer.prototype.bytes = function write_bytes(value) { - var len = value.length >>> 0; - if (!len) - return this._push(writeByte, 1, 0); - if (util.isString(value)) { - var buf = Writer.alloc(len = base64.length(value)); - base64.decode(value, buf, 0); - value = buf; - } - return this.uint32(len)._push(writeBytes, len, value); -}; - -/** - * Writes a string. - * @param {string} value Value to write - * @returns {Writer} `this` - */ -Writer.prototype.string = function write_string(value) { - var len = utf8.length(value); - return len - ? this.uint32(len)._push(utf8.write, len, value) - : this._push(writeByte, 1, 0); -}; - -/** - * Forks this writer's state by pushing it to a stack. - * Calling {@link Writer#reset|reset} or {@link Writer#ldelim|ldelim} resets the writer to the previous state. - * @returns {Writer} `this` - */ -Writer.prototype.fork = function fork() { - this.states = new State(this); - this.head = this.tail = new Op(noop, 0, 0); - this.len = 0; - return this; -}; - -/** - * Resets this instance to the last state. - * @returns {Writer} `this` - */ -Writer.prototype.reset = function reset() { - if (this.states) { - this.head = this.states.head; - this.tail = this.states.tail; - this.len = this.states.len; - this.states = this.states.next; - } else { - this.head = this.tail = new Op(noop, 0, 0); - this.len = 0; - } - return this; -}; - -/** - * Resets to the last state and appends the fork state's current write length as a varint followed by its operations. - * @returns {Writer} `this` - */ -Writer.prototype.ldelim = function ldelim() { - var head = this.head, - tail = this.tail, - len = this.len; - this.reset().uint32(len); - if (len) { - this.tail.next = head.next; // skip noop - this.tail = tail; - this.len += len; - } - return this; -}; - -/** - * Finishes the write operation. - * @returns {Uint8Array} Finished buffer - */ -Writer.prototype.finish = function finish() { - var head = this.head.next, // skip noop - buf = this.constructor.alloc(this.len), - pos = 0; - while (head) { - head.fn(head.val, buf, pos); - pos += head.len; - head = head.next; - } - // this.head = this.tail = null; - return buf; -}; - -Writer._configure = function(BufferWriter_) { - BufferWriter = BufferWriter_; - Writer.create = create(); - BufferWriter._configure(); -}; |
