cesium
Version:
CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.
1,732 lines (1,533 loc) • 71.1 kB
JavaScript
var tmp = {};
/*!
* protobuf.js v6.7.0 (c) 2016, Daniel Wirtz
* Compiled Wed, 22 Mar 2017 17:30:26 UTC
* Licensed under the BSD-3-Clause License
* see: https://github.com/dcodeIO/protobuf.js for details
*/
(function(global,undefined){"use strict";(function prelude(modules, cache, entries) {
// This is the prelude used to bundle protobuf.js for the browser. Wraps up the CommonJS
// sources through a conflict-free require shim and is again wrapped within an iife that
// provides a unified `global` and a minification-friendly `undefined` var plus a global
// "use strict" directive so that minification can remove the directives of each module.
function $require(name) {
var $module = cache[name];
if (!$module)
modules[name][0].call($module = cache[name] = { exports: {} }, $require, $module, $module.exports);
return $module.exports;
}
// Expose globally
var protobuf = global.protobuf = $require(entries[0]);
// Commented out to avoid polluing the global scope in Node.js
// // Be nice to AMD
// if (typeof define === "function" && define.amd)
// define([], function() {
// protobuf.configure();
// return protobuf;
// });
// // Be nice to CommonJS
// if (typeof module === "object" && module && module.exports)
// module.exports = protobuf;
})/* end of prelude */({1:[function(require,module,exports){
"use strict";
module.exports = asPromise;
/**
* Returns a promise from a node-style callback function.
* @memberof util
* @param {function(?Error, ...*)} fn Function to call
* @param {*} ctx Function context
* @param {...*} params Function arguments
* @returns {Promise<*>} Promisified function
*/
function asPromise(fn, ctx/*, varargs */) {
var params = [];
for (var i = 2; i < arguments.length;)
params.push(arguments[i++]);
var pending = true;
return new Promise(function asPromiseExecutor(resolve, reject) {
params.push(function asPromiseCallback(err/*, varargs */) {
if (pending) {
pending = false;
if (err)
reject(err);
else {
var args = [];
for (var i = 1; i < arguments.length;)
args.push(arguments[i++]);
resolve.apply(null, args);
}
}
});
try {
fn.apply(ctx || this, params); // eslint-disable-line no-invalid-this
} catch (err) {
if (pending) {
pending = false;
reject(err);
}
}
});
}
},{}],2:[function(require,module,exports){
"use strict";
/**
* A minimal base64 implementation for number arrays.
* @memberof util
* @namespace
*/
var base64 = exports;
/**
* Calculates the byte length of a base64 encoded string.
* @param {string} string Base64 encoded string
* @returns {number} Byte length
*/
base64.length = function length(string) {
var p = string.length;
if (!p)
return 0;
var n = 0;
while (--p % 4 > 1 && string.charAt(p) === "=")
++n;
return Math.ceil(string.length * 3) / 4 - n;
};
// Base64 encoding table
var b64 = new Array(64);
// Base64 decoding table
var s64 = new Array(123);
// 65..90, 97..122, 48..57, 43, 47
for (var i = 0; i < 64;)
s64[b64[i] = i < 26 ? i + 65 : i < 52 ? i + 71 : i < 62 ? i - 4 : i - 59 | 43] = i++;
/**
* Encodes a buffer to a base64 encoded string.
* @param {Uint8Array} buffer Source buffer
* @param {number} start Source start
* @param {number} end Source end
* @returns {string} Base64 encoded string
*/
base64.encode = function encode(buffer, start, end) {
var string = []; // alt: new Array(Math.ceil((end - start) / 3) * 4);
var i = 0, // output index
j = 0, // goto index
t; // temporary
while (start < end) {
var b = buffer[start++];
switch (j) {
case 0:
string[i++] = b64[b >> 2];
t = (b & 3) << 4;
j = 1;
break;
case 1:
string[i++] = b64[t | b >> 4];
t = (b & 15) << 2;
j = 2;
break;
case 2:
string[i++] = b64[t | b >> 6];
string[i++] = b64[b & 63];
j = 0;
break;
}
}
if (j) {
string[i++] = b64[t];
string[i ] = 61;
if (j === 1)
string[i + 1] = 61;
}
return String.fromCharCode.apply(String, string);
};
var invalidEncoding = "invalid encoding";
/**
* Decodes a base64 encoded string to a buffer.
* @param {string} string Source string
* @param {Uint8Array} buffer Destination buffer
* @param {number} offset Destination offset
* @returns {number} Number of bytes written
* @throws {Error} If encoding is invalid
*/
base64.decode = function decode(string, buffer, offset) {
var start = offset;
var j = 0, // goto index
t; // temporary
for (var i = 0; i < string.length;) {
var c = string.charCodeAt(i++);
if (c === 61 && j > 1)
break;
if ((c = s64[c]) === undefined)
throw Error(invalidEncoding);
switch (j) {
case 0:
t = c;
j = 1;
break;
case 1:
buffer[offset++] = t << 2 | (c & 48) >> 4;
t = c;
j = 2;
break;
case 2:
buffer[offset++] = (t & 15) << 4 | (c & 60) >> 2;
t = c;
j = 3;
break;
case 3:
buffer[offset++] = (t & 3) << 6 | c;
j = 0;
break;
}
}
if (j === 1)
throw Error(invalidEncoding);
return offset - start;
};
/**
* Tests if the specified string appears to be base64 encoded.
* @param {string} string String to test
* @returns {boolean} `true` if probably base64 encoded, otherwise false
*/
base64.test = function test(string) {
return /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(string);
};
},{}],3:[function(require,module,exports){
"use strict";
module.exports = EventEmitter;
/**
* Constructs a new event emitter instance.
* @classdesc A minimal event emitter.
* @memberof util
* @constructor
*/
function EventEmitter() {
/**
* Registered listeners.
* @type {Object.<string,*>}
* @private
*/
this._listeners = {};
}
/**
* Registers an event listener.
* @param {string} evt Event name
* @param {function} fn Listener
* @param {*} [ctx] Listener context
* @returns {util.EventEmitter} `this`
*/
EventEmitter.prototype.on = function on(evt, fn, ctx) {
(this._listeners[evt] || (this._listeners[evt] = [])).push({
fn : fn,
ctx : ctx || this
});
return this;
};
/**
* Removes an event listener or any matching listeners if arguments are omitted.
* @param {string} [evt] Event name. Removes all listeners if omitted.
* @param {function} [fn] Listener to remove. Removes all listeners of `evt` if omitted.
* @returns {util.EventEmitter} `this`
*/
EventEmitter.prototype.off = function off(evt, fn) {
if (evt === undefined)
this._listeners = {};
else {
if (fn === undefined)
this._listeners[evt] = [];
else {
var listeners = this._listeners[evt];
for (var i = 0; i < listeners.length;)
if (listeners[i].fn === fn)
listeners.splice(i, 1);
else
++i;
}
}
return this;
};
/**
* Emits an event by calling its listeners with the specified arguments.
* @param {string} evt Event name
* @param {...*} args Arguments
* @returns {util.EventEmitter} `this`
*/
EventEmitter.prototype.emit = function emit(evt) {
var listeners = this._listeners[evt];
if (listeners) {
var args = [],
i = 1;
for (; i < arguments.length;)
args.push(arguments[i++]);
for (i = 0; i < listeners.length;)
listeners[i].fn.apply(listeners[i++].ctx, args);
}
return this;
};
},{}],4:[function(require,module,exports){
"use strict";
module.exports = inquire;
/**
* Requires a module only if available.
* @memberof util
* @param {string} moduleName Module to require
* @returns {?Object} Required module if available and not empty, otherwise `null`
*/
function inquire(moduleName) {
try {
var mod = eval("quire".replace(/^/,"re"))(moduleName); // eslint-disable-line no-eval
if (mod && (mod.length || Object.keys(mod).length))
return mod;
} catch (e) {} // eslint-disable-line no-empty
return null;
}
},{}],5:[function(require,module,exports){
"use strict";
module.exports = pool;
/**
* An allocator as used by {@link util.pool}.
* @typedef PoolAllocator
* @type {function}
* @param {number} size Buffer size
* @returns {Uint8Array} Buffer
*/
/**
* A slicer as used by {@link util.pool}.
* @typedef PoolSlicer
* @type {function}
* @param {number} start Start offset
* @param {number} end End offset
* @returns {Uint8Array} Buffer slice
* @this {Uint8Array}
*/
/**
* A general purpose buffer pool.
* @memberof util
* @function
* @param {PoolAllocator} alloc Allocator
* @param {PoolSlicer} slice Slicer
* @param {number} [size=8192] Slab size
* @returns {PoolAllocator} Pooled allocator
*/
function pool(alloc, slice, size) {
var SIZE = size || 8192;
var MAX = SIZE >>> 1;
var slab = null;
var offset = SIZE;
return function pool_alloc(size) {
if (size < 1 || size > MAX)
return alloc(size);
if (offset + size > SIZE) {
slab = alloc(SIZE);
offset = 0;
}
var buf = slice.call(slab, offset, offset += size);
if (offset & 7) // align to 32 bit
offset = (offset | 7) + 1;
return buf;
};
}
},{}],6:[function(require,module,exports){
"use strict";
/**
* A minimal UTF8 implementation for number arrays.
* @memberof util
* @namespace
*/
var utf8 = exports;
/**
* Calculates the UTF8 byte length of a string.
* @param {string} string String
* @returns {number} Byte length
*/
utf8.length = function utf8_length(string) {
var len = 0,
c = 0;
for (var i = 0; i < string.length; ++i) {
c = string.charCodeAt(i);
if (c < 128)
len += 1;
else if (c < 2048)
len += 2;
else if ((c & 0xFC00) === 0xD800 && (string.charCodeAt(i + 1) & 0xFC00) === 0xDC00) {
++i;
len += 4;
} else
len += 3;
}
return len;
};
/**
* Reads UTF8 bytes as a string.
* @param {Uint8Array} buffer Source buffer
* @param {number} start Source start
* @param {number} end Source end
* @returns {string} String read
*/
utf8.read = function utf8_read(buffer, start, end) {
var len = end - start;
if (len < 1)
return "";
var parts = null,
chunk = [],
i = 0, // char offset
t; // temporary
while (start < end) {
t = buffer[start++];
if (t < 128)
chunk[i++] = t;
else if (t > 191 && t < 224)
chunk[i++] = (t & 31) << 6 | buffer[start++] & 63;
else if (t > 239 && t < 365) {
t = ((t & 7) << 18 | (buffer[start++] & 63) << 12 | (buffer[start++] & 63) << 6 | buffer[start++] & 63) - 0x10000;
chunk[i++] = 0xD800 + (t >> 10);
chunk[i++] = 0xDC00 + (t & 1023);
} else
chunk[i++] = (t & 15) << 12 | (buffer[start++] & 63) << 6 | buffer[start++] & 63;
if (i > 8191) {
(parts || (parts = [])).push(String.fromCharCode.apply(String, chunk));
i = 0;
}
}
if (parts) {
if (i)
parts.push(String.fromCharCode.apply(String, chunk.slice(0, i)));
return parts.join("");
}
return String.fromCharCode.apply(String, chunk.slice(0, i));
};
/**
* Writes a string as UTF8 bytes.
* @param {string} string Source string
* @param {Uint8Array} buffer Destination buffer
* @param {number} offset Destination offset
* @returns {number} Bytes written
*/
utf8.write = function utf8_write(string, buffer, offset) {
var start = offset,
c1, // character 1
c2; // character 2
for (var i = 0; i < string.length; ++i) {
c1 = string.charCodeAt(i);
if (c1 < 128) {
buffer[offset++] = c1;
} else if (c1 < 2048) {
buffer[offset++] = c1 >> 6 | 192;
buffer[offset++] = c1 & 63 | 128;
} else if ((c1 & 0xFC00) === 0xD800 && ((c2 = string.charCodeAt(i + 1)) & 0xFC00) === 0xDC00) {
c1 = 0x10000 + ((c1 & 0x03FF) << 10) + (c2 & 0x03FF);
++i;
buffer[offset++] = c1 >> 18 | 240;
buffer[offset++] = c1 >> 12 & 63 | 128;
buffer[offset++] = c1 >> 6 & 63 | 128;
buffer[offset++] = c1 & 63 | 128;
} else {
buffer[offset++] = c1 >> 12 | 224;
buffer[offset++] = c1 >> 6 & 63 | 128;
buffer[offset++] = c1 & 63 | 128;
}
}
return offset - start;
};
},{}],7:[function(require,module,exports){
"use strict";
var protobuf = exports;
/**
* Build type, one of `"full"`, `"light"` or `"minimal"`.
* @name build
* @type {string}
* @const
*/
protobuf.build = "minimal";
/**
* Named roots.
* This is where pbjs stores generated structures (the option `-r, --root` specifies a name).
* Can also be used manually to make roots available accross modules.
* @name roots
* @type {Object.<string,Root>}
* @example
* // pbjs -r myroot -o compiled.js ...
*
* // in another module:
* require("./compiled.js");
*
* // in any subsequent module:
* var root = protobuf.roots["myroot"];
*/
protobuf.roots = {};
// Serialization
protobuf.Writer = require(14);
protobuf.BufferWriter = require(15);
protobuf.Reader = require(8);
protobuf.BufferReader = require(9);
// Utility
protobuf.util = require(13);
protobuf.rpc = require(10);
protobuf.configure = configure;
/* istanbul ignore next */
/**
* Reconfigures the library according to the environment.
* @returns {undefined}
*/
function configure() {
protobuf.Reader._configure(protobuf.BufferReader);
protobuf.util._configure();
}
// Configure serialization
protobuf.Writer._configure(protobuf.BufferWriter);
configure();
},{"10":10,"13":13,"14":14,"15":15,"8":8,"9":9}],8:[function(require,module,exports){
"use strict";
module.exports = Reader;
var util = require(13);
var BufferReader; // cyclic
var LongBits = util.LongBits,
utf8 = util.utf8;
/* istanbul ignore next */
function indexOutOfRange(reader, writeLength) {
return RangeError("index out of range: " + reader.pos + " + " + (writeLength || 1) + " > " + reader.len);
}
/**
* Constructs a new reader instance using the specified buffer.
* @classdesc Wire format reader using `Uint8Array` if available, otherwise `Array`.
* @constructor
* @param {Uint8Array} buffer Buffer to read from
*/
function Reader(buffer) {
/**
* Read buffer.
* @type {Uint8Array}
*/
this.buf = buffer;
/**
* Read buffer position.
* @type {number}
*/
this.pos = 0;
/**
* Read buffer length.
* @type {number}
*/
this.len = buffer.length;
}
var create_array = typeof Uint8Array !== "undefined"
? function create_typed_array(buffer) {
if (buffer instanceof Uint8Array || Array.isArray(buffer))
return new Reader(buffer);
throw Error("illegal buffer");
}
/* istanbul ignore next */
: function create_array(buffer) {
if (Array.isArray(buffer))
return new Reader(buffer);
throw Error("illegal buffer");
};
/**
* Creates a new reader using the specified buffer.
* @function
* @param {Uint8Array|Buffer} buffer Buffer to read from
* @returns {Reader|BufferReader} A {@link BufferReader} if `buffer` is a Buffer, otherwise a {@link Reader}
* @throws {Error} If `buffer` is not a valid buffer
*/
Reader.create = util.Buffer
? function create_buffer_setup(buffer) {
return (Reader.create = function create_buffer(buffer) {
return util.Buffer.isBuffer(buffer)
? new BufferReader(buffer)
/* istanbul ignore next */
: create_array(buffer);
})(buffer);
}
/* istanbul ignore next */
: create_array;
Reader.prototype._slice = util.Array.prototype.subarray || /* istanbul ignore next */ util.Array.prototype.slice;
/**
* Reads a varint as an unsigned 32 bit value.
* @function
* @returns {number} Value read
*/
Reader.prototype.uint32 = (function read_uint32_setup() {
var value = 4294967295; // optimizer type-hint, tends to deopt otherwise (?!)
return function read_uint32() {
value = ( this.buf[this.pos] & 127 ) >>> 0; if (this.buf[this.pos++] < 128) return value;
value = (value | (this.buf[this.pos] & 127) << 7) >>> 0; if (this.buf[this.pos++] < 128) return value;
value = (value | (this.buf[this.pos] & 127) << 14) >>> 0; if (this.buf[this.pos++] < 128) return value;
value = (value | (this.buf[this.pos] & 127) << 21) >>> 0; if (this.buf[this.pos++] < 128) return value;
value = (value | (this.buf[this.pos] & 15) << 28) >>> 0; if (this.buf[this.pos++] < 128) return value;
/* istanbul ignore next */
if ((this.pos += 5) > this.len) {
this.pos = this.len;
throw indexOutOfRange(this, 10);
}
return value;
};
})();
/**
* Reads a varint as a signed 32 bit value.
* @returns {number} Value read
*/
Reader.prototype.int32 = function read_int32() {
return this.uint32() | 0;
};
/**
* Reads a zig-zag encoded varint as a signed 32 bit value.
* @returns {number} Value read
*/
Reader.prototype.sint32 = function read_sint32() {
var value = this.uint32();
return value >>> 1 ^ -(value & 1) | 0;
};
/* eslint-disable no-invalid-this */
function readLongVarint() {
// tends to deopt with local vars for octet etc.
var bits = new LongBits(0, 0);
var i = 0;
if (this.len - this.pos > 4) { // fast route (lo)
for (; i < 4; ++i) {
// 1st..4th
bits.lo = (bits.lo | (this.buf[this.pos] & 127) << i * 7) >>> 0;
if (this.buf[this.pos++] < 128)
return bits;
}
// 5th
bits.lo = (bits.lo | (this.buf[this.pos] & 127) << 28) >>> 0;
bits.hi = (bits.hi | (this.buf[this.pos] & 127) >> 4) >>> 0;
if (this.buf[this.pos++] < 128)
return bits;
i = 0;
} else {
for (; i < 3; ++i) {
/* istanbul ignore next */
if (this.pos >= this.len)
throw indexOutOfRange(this);
// 1st..3th
bits.lo = (bits.lo | (this.buf[this.pos] & 127) << i * 7) >>> 0;
if (this.buf[this.pos++] < 128)
return bits;
}
// 4th
bits.lo = (bits.lo | (this.buf[this.pos++] & 127) << i * 7) >>> 0;
return bits;
}
if (this.len - this.pos > 4) { // fast route (hi)
for (; i < 5; ++i) {
// 6th..10th
bits.hi = (bits.hi | (this.buf[this.pos] & 127) << i * 7 + 3) >>> 0;
if (this.buf[this.pos++] < 128)
return bits;
}
} else {
for (; i < 5; ++i) {
/* istanbul ignore next */
if (this.pos >= this.len)
throw indexOutOfRange(this);
// 6th..10th
bits.hi = (bits.hi | (this.buf[this.pos] & 127) << i * 7 + 3) >>> 0;
if (this.buf[this.pos++] < 128)
return bits;
}
}
/* istanbul ignore next */
throw Error("invalid varint encoding");
}
/* eslint-enable no-invalid-this */
/**
* Reads a varint as a signed 64 bit value.
* @name Reader#int64
* @function
* @returns {Long|number} Value read
*/
/**
* Reads a varint as an unsigned 64 bit value.
* @name Reader#uint64
* @function
* @returns {Long|number} Value read
*/
/**
* Reads a zig-zag encoded varint as a signed 64 bit value.
* @name Reader#sint64
* @function
* @returns {Long|number} Value read
*/
/**
* Reads a varint as a boolean.
* @returns {boolean} Value read
*/
Reader.prototype.bool = function read_bool() {
return this.uint32() !== 0;
};
function readFixed32(buf, end) {
return (buf[end - 4]
| buf[end - 3] << 8
| buf[end - 2] << 16
| buf[end - 1] << 24) >>> 0;
}
/**
* Reads fixed 32 bits as an unsigned 32 bit integer.
* @returns {number} Value read
*/
Reader.prototype.fixed32 = function read_fixed32() {
/* istanbul ignore next */
if (this.pos + 4 > this.len)
throw indexOutOfRange(this, 4);
return readFixed32(this.buf, this.pos += 4);
};
/**
* Reads fixed 32 bits as a signed 32 bit integer.
* @returns {number} Value read
*/
Reader.prototype.sfixed32 = function read_sfixed32() {
/* istanbul ignore next */
if (this.pos + 4 > this.len)
throw indexOutOfRange(this, 4);
return readFixed32(this.buf, this.pos += 4) | 0;
};
/* eslint-disable no-invalid-this */
function readFixed64(/* this: Reader */) {
/* istanbul ignore next */
if (this.pos + 8 > this.len)
throw indexOutOfRange(this, 8);
return new LongBits(readFixed32(this.buf, this.pos += 4), readFixed32(this.buf, this.pos += 4));
}
/* eslint-enable no-invalid-this */
/**
* Reads fixed 64 bits.
* @name Reader#fixed64
* @function
* @returns {Long|number} Value read
*/
/**
* Reads zig-zag encoded fixed 64 bits.
* @name Reader#sfixed64
* @function
* @returns {Long|number} Value read
*/
var readFloat = typeof Float32Array !== "undefined"
? (function() {
var f32 = new Float32Array(1),
f8b = new Uint8Array(f32.buffer);
f32[0] = -0;
return f8b[3] // already le?
? function readFloat_f32(buf, pos) {
f8b[0] = buf[pos ];
f8b[1] = buf[pos + 1];
f8b[2] = buf[pos + 2];
f8b[3] = buf[pos + 3];
return f32[0];
}
/* istanbul ignore next */
: function readFloat_f32_le(buf, pos) {
f8b[0] = buf[pos + 3];
f8b[1] = buf[pos + 2];
f8b[2] = buf[pos + 1];
f8b[3] = buf[pos ];
return f32[0];
};
})()
/* istanbul ignore next */
: function readFloat_ieee754(buf, pos) {
var uint = readFixed32(buf, pos + 4),
sign = (uint >> 31) * 2 + 1,
exponent = uint >>> 23 & 255,
mantissa = uint & 8388607;
return exponent === 255
? mantissa
? NaN
: sign * Infinity
: exponent === 0 // denormal
? sign * 1.401298464324817e-45 * mantissa
: sign * Math.pow(2, exponent - 150) * (mantissa + 8388608);
};
/**
* Reads a float (32 bit) as a number.
* @function
* @returns {number} Value read
*/
Reader.prototype.float = function read_float() {
/* istanbul ignore next */
if (this.pos + 4 > this.len)
throw indexOutOfRange(this, 4);
var value = readFloat(this.buf, this.pos);
this.pos += 4;
return value;
};
var readDouble = typeof Float64Array !== "undefined"
? (function() {
var f64 = new Float64Array(1),
f8b = new Uint8Array(f64.buffer);
f64[0] = -0;
return f8b[7] // already le?
? function readDouble_f64(buf, pos) {
f8b[0] = buf[pos ];
f8b[1] = buf[pos + 1];
f8b[2] = buf[pos + 2];
f8b[3] = buf[pos + 3];
f8b[4] = buf[pos + 4];
f8b[5] = buf[pos + 5];
f8b[6] = buf[pos + 6];
f8b[7] = buf[pos + 7];
return f64[0];
}
/* istanbul ignore next */
: function readDouble_f64_le(buf, pos) {
f8b[0] = buf[pos + 7];
f8b[1] = buf[pos + 6];
f8b[2] = buf[pos + 5];
f8b[3] = buf[pos + 4];
f8b[4] = buf[pos + 3];
f8b[5] = buf[pos + 2];
f8b[6] = buf[pos + 1];
f8b[7] = buf[pos ];
return f64[0];
};
})()
/* istanbul ignore next */
: function readDouble_ieee754(buf, pos) {
var lo = readFixed32(buf, pos + 4),
hi = readFixed32(buf, pos + 8);
var sign = (hi >> 31) * 2 + 1,
exponent = hi >>> 20 & 2047,
mantissa = 4294967296 * (hi & 1048575) + lo;
return exponent === 2047
? mantissa
? NaN
: sign * Infinity
: exponent === 0 // denormal
? sign * 5e-324 * mantissa
: sign * Math.pow(2, exponent - 1075) * (mantissa + 4503599627370496);
};
/**
* Reads a double (64 bit float) as a number.
* @function
* @returns {number} Value read
*/
Reader.prototype.double = function read_double() {
/* istanbul ignore next */
if (this.pos + 8 > this.len)
throw indexOutOfRange(this, 4);
var value = readDouble(this.buf, this.pos);
this.pos += 8;
return value;
};
/**
* Reads a sequence of bytes preceeded by its length as a varint.
* @returns {Uint8Array} Value read
*/
Reader.prototype.bytes = function read_bytes() {
var length = this.uint32(),
start = this.pos,
end = this.pos + length;
/* istanbul ignore next */
if (end > this.len)
throw indexOutOfRange(this, length);
this.pos += length;
return start === end // fix for IE 10/Win8 and others' subarray returning array of size 1
? new this.buf.constructor(0)
: this._slice.call(this.buf, start, end);
};
/**
* Reads a string preceeded by its byte length as a varint.
* @returns {string} Value read
*/
Reader.prototype.string = function read_string() {
var bytes = this.bytes();
return utf8.read(bytes, 0, bytes.length);
};
/**
* Skips the specified number of bytes if specified, otherwise skips a varint.
* @param {number} [length] Length if known, otherwise a varint is assumed
* @returns {Reader} `this`
*/
Reader.prototype.skip = function skip(length) {
if (typeof length === "number") {
/* istanbul ignore next */
if (this.pos + length > this.len)
throw indexOutOfRange(this, length);
this.pos += length;
} else {
/* istanbul ignore next */
do {
if (this.pos >= this.len)
throw indexOutOfRange(this);
} while (this.buf[this.pos++] & 128);
}
return this;
};
/**
* Skips the next element of the specified wire type.
* @param {number} wireType Wire type received
* @returns {Reader} `this`
*/
Reader.prototype.skipType = function(wireType) {
switch (wireType) {
case 0:
this.skip();
break;
case 1:
this.skip(8);
break;
case 2:
this.skip(this.uint32());
break;
case 3:
do { // eslint-disable-line no-constant-condition
if ((wireType = this.uint32() & 7) === 4)
break;
this.skipType(wireType);
} while (true);
break;
case 5:
this.skip(4);
break;
/* istanbul ignore next */
default:
throw Error("invalid wire type " + wireType + " at offset " + this.pos);
}
return this;
};
Reader._configure = function(BufferReader_) {
BufferReader = BufferReader_;
var fn = util.Long ? "toLong" : /* istanbul ignore next */ "toNumber";
util.merge(Reader.prototype, {
int64: function read_int64() {
return readLongVarint.call(this)[fn](false);
},
uint64: function read_uint64() {
return readLongVarint.call(this)[fn](true);
},
sint64: function read_sint64() {
return readLongVarint.call(this).zzDecode()[fn](false);
},
fixed64: function read_fixed64() {
return readFixed64.call(this)[fn](true);
},
sfixed64: function read_sfixed64() {
return readFixed64.call(this)[fn](false);
}
});
};
},{"13":13}],9:[function(require,module,exports){
"use strict";
module.exports = BufferReader;
// extends Reader
var Reader = require(8);
(BufferReader.prototype = Object.create(Reader.prototype)).constructor = BufferReader;
var util = require(13);
/**
* Constructs a new buffer reader instance.
* @classdesc Wire format reader using node buffers.
* @extends Reader
* @constructor
* @param {Buffer} buffer Buffer to read from
*/
function BufferReader(buffer) {
Reader.call(this, buffer);
/**
* Read buffer.
* @name BufferReader#buf
* @type {Buffer}
*/
}
/* istanbul ignore else */
if (util.Buffer)
BufferReader.prototype._slice = util.Buffer.prototype.slice;
/**
* @override
*/
BufferReader.prototype.string = function read_string_buffer() {
var len = this.uint32(); // modifies pos
return this.buf.utf8Slice(this.pos, this.pos = Math.min(this.pos + len, this.len));
};
/**
* Reads a sequence of bytes preceeded by its length as a varint.
* @name BufferReader#bytes
* @function
* @returns {Buffer} Value read
*/
},{"13":13,"8":8}],10:[function(require,module,exports){
"use strict";
/**
* Streaming RPC helpers.
* @namespace
*/
var rpc = exports;
/**
* RPC implementation passed to {@link Service#create} performing a service request on network level, i.e. by utilizing http requests or websockets.
* @typedef RPCImpl
* @type {function}
* @param {Method|rpc.ServiceMethod} method Reflected or static method being called
* @param {Uint8Array} requestData Request data
* @param {RPCImplCallback} callback Callback function
* @returns {undefined}
* @example
* function rpcImpl(method, requestData, callback) {
* if (protobuf.util.lcFirst(method.name) !== "myMethod") // compatible with static code
* throw Error("no such method");
* asynchronouslyObtainAResponse(requestData, function(err, responseData) {
* callback(err, responseData);
* });
* }
*/
/**
* Node-style callback as used by {@link RPCImpl}.
* @typedef RPCImplCallback
* @type {function}
* @param {?Error} error Error, if any, otherwise `null`
* @param {?Uint8Array} [response] Response data or `null` to signal end of stream, if there hasn't been an error
* @returns {undefined}
*/
rpc.Service = require(11);
},{"11":11}],11:[function(require,module,exports){
"use strict";
module.exports = Service;
var util = require(13);
// Extends EventEmitter
(Service.prototype = Object.create(util.EventEmitter.prototype)).constructor = Service;
/**
* A service method callback as used by {@link rpc.ServiceMethod|ServiceMethod}.
*
* Differs from {@link RPCImplCallback} in that it is an actual callback of a service method which may not return `response = null`.
* @typedef rpc.ServiceMethodCallback
* @type {function}
* @param {?Error} error Error, if any
* @param {?Message} [response] Response message
* @returns {undefined}
*/
/**
* A service method part of a {@link rpc.ServiceMethodMixin|ServiceMethodMixin} and thus {@link rpc.Service} as created by {@link Service.create}.
* @typedef rpc.ServiceMethod
* @type {function}
* @param {Message|Object.<string,*>} request Request message or plain object
* @param {rpc.ServiceMethodCallback} [callback] Node-style callback called with the error, if any, and the response message
* @returns {Promise<Message>} Promise if `callback` has been omitted, otherwise `undefined`
*/
/**
* A service method mixin.
*
* When using TypeScript, mixed in service methods are only supported directly with a type definition of a static module (used with reflection). Otherwise, explicit casting is required.
* @typedef rpc.ServiceMethodMixin
* @type {Object.<string,rpc.ServiceMethod>}
* @example
* // Explicit casting with TypeScript
* (myRpcService["myMethod"] as protobuf.rpc.ServiceMethod)(...)
*/
/**
* Constructs a new RPC service instance.
* @classdesc An RPC service as returned by {@link Service#create}.
* @exports rpc.Service
* @extends util.EventEmitter
* @augments rpc.ServiceMethodMixin
* @constructor
* @param {RPCImpl} rpcImpl RPC implementation
* @param {boolean} [requestDelimited=false] Whether requests are length-delimited
* @param {boolean} [responseDelimited=false] Whether responses are length-delimited
*/
function Service(rpcImpl, requestDelimited, responseDelimited) {
if (typeof rpcImpl !== "function")
throw TypeError("rpcImpl must be a function");
util.EventEmitter.call(this);
/**
* RPC implementation. Becomes `null` once the service is ended.
* @type {?RPCImpl}
*/
this.rpcImpl = rpcImpl;
/**
* Whether requests are length-delimited.
* @type {boolean}
*/
this.requestDelimited = Boolean(requestDelimited);
/**
* Whether responses are length-delimited.
* @type {boolean}
*/
this.responseDelimited = Boolean(responseDelimited);
}
/**
* Calls a service method through {@link rpc.Service#rpcImpl|rpcImpl}.
* @param {Method|rpc.ServiceMethod} method Reflected or static method
* @param {function} requestCtor Request constructor
* @param {function} responseCtor Response constructor
* @param {Message|Object.<string,*>} request Request message or plain object
* @param {rpc.ServiceMethodCallback} callback Service callback
* @returns {undefined}
*/
Service.prototype.rpcCall = function rpcCall(method, requestCtor, responseCtor, request, callback) {
if (!request)
throw TypeError("request must be specified");
var self = this;
if (!callback)
return util.asPromise(rpcCall, self, method, requestCtor, responseCtor, request);
if (!self.rpcImpl) {
setTimeout(function() { callback(Error("already ended")); }, 0);
return undefined;
}
try {
return self.rpcImpl(
method,
requestCtor[self.requestDelimited ? "encodeDelimited" : "encode"](request).finish(),
function rpcCallback(err, response) {
if (err) {
self.emit("error", err, method);
return callback(err);
}
if (response === null) {
self.end(/* endedByRPC */ true);
return undefined;
}
if (!(response instanceof responseCtor)) {
try {
response = responseCtor[self.responseDelimited ? "decodeDelimited" : "decode"](response);
} catch (err) {
self.emit("error", err, method);
return callback(err);
}
}
self.emit("data", response, method);
return callback(null, response);
}
);
} catch (err) {
self.emit("error", err, method);
setTimeout(function() { callback(err); }, 0);
return undefined;
}
};
/**
* Ends this service and emits the `end` event.
* @param {boolean} [endedByRPC=false] Whether the service has been ended by the RPC implementation.
* @returns {rpc.Service} `this`
*/
Service.prototype.end = function end(endedByRPC) {
if (this.rpcImpl) {
if (!endedByRPC) // signal end to rpcImpl
this.rpcImpl(null, null, null);
this.rpcImpl = null;
this.emit("end").off();
}
return this;
};
},{"13":13}],12:[function(require,module,exports){
"use strict";
module.exports = LongBits;
var util = require(13);
/**
* Any compatible Long instance.
*
* This is a minimal stand-alone definition of a Long instance. The actual type is that exported by long.js.
* @typedef Long
* @type {Object}
* @property {number} low Low bits
* @property {number} high High bits
* @property {boolean} unsigned Whether unsigned or not
*/
/**
* Constructs new long bits.
* @classdesc Helper class for working with the low and high bits of a 64 bit value.
* @memberof util
* @constructor
* @param {number} lo Low 32 bits, unsigned
* @param {number} hi High 32 bits, unsigned
*/
function LongBits(lo, hi) {
// note that the casts below are theoretically unnecessary as of today, but older statically
// generated converter code might still call the ctor with signed 32bits. kept for compat.
/**
* Low bits.
* @type {number}
*/
this.lo = lo >>> 0;
/**
* High bits.
* @type {number}
*/
this.hi = hi >>> 0;
}
/**
* Zero bits.
* @memberof util.LongBits
* @type {util.LongBits}
*/
var zero = LongBits.zero = new LongBits(0, 0);
zero.toNumber = function() { return 0; };
zero.zzEncode = zero.zzDecode = function() { return this; };
zero.length = function() { return 1; };
/**
* Zero hash.
* @memberof util.LongBits
* @type {string}
*/
var zeroHash = LongBits.zeroHash = "\0\0\0\0\0\0\0\0";
/**
* Constructs new long bits from the specified number.
* @param {number} value Value
* @returns {util.LongBits} Instance
*/
LongBits.fromNumber = function fromNumber(value) {
if (value === 0)
return zero;
var sign = value < 0;
if (sign)
value = -value;
var lo = value >>> 0,
hi = (value - lo) / 4294967296 >>> 0;
if (sign) {
hi = ~hi >>> 0;
lo = ~lo >>> 0;
if (++lo > 4294967295) {
lo = 0;
if (++hi > 4294967295)
hi = 0;
}
}
return new LongBits(lo, hi);
};
/**
* Constructs new long bits from a number, long or string.
* @param {Long|number|string} value Value
* @returns {util.LongBits} Instance
*/
LongBits.from = function from(value) {
if (typeof value === "number")
return LongBits.fromNumber(value);
if (util.isString(value)) {
/* istanbul ignore else */
if (util.Long)
value = util.Long.fromString(value);
else
return LongBits.fromNumber(parseInt(value, 10));
}
return value.low || value.high ? new LongBits(value.low >>> 0, value.high >>> 0) : zero;
};
/**
* Converts this long bits to a possibly unsafe JavaScript number.
* @param {boolean} [unsigned=false] Whether unsigned or not
* @returns {number} Possibly unsafe number
*/
LongBits.prototype.toNumber = function toNumber(unsigned) {
if (!unsigned && this.hi >>> 31) {
var lo = ~this.lo + 1 >>> 0,
hi = ~this.hi >>> 0;
if (!lo)
hi = hi + 1 >>> 0;
return -(lo + hi * 4294967296);
}
return this.lo + this.hi * 4294967296;
};
/**
* Converts this long bits to a long.
* @param {boolean} [unsigned=false] Whether unsigned or not
* @returns {Long} Long
*/
LongBits.prototype.toLong = function toLong(unsigned) {
return util.Long
? new util.Long(this.lo | 0, this.hi | 0, Boolean(unsigned))
/* istanbul ignore next */
: { low: this.lo | 0, high: this.hi | 0, unsigned: Boolean(unsigned) };
};
var charCodeAt = String.prototype.charCodeAt;
/**
* Constructs new long bits from the specified 8 characters long hash.
* @param {string} hash Hash
* @returns {util.LongBits} Bits
*/
LongBits.fromHash = function fromHash(hash) {
if (hash === zeroHash)
return zero;
return new LongBits(
( charCodeAt.call(hash, 0)
| charCodeAt.call(hash, 1) << 8
| charCodeAt.call(hash, 2) << 16
| charCodeAt.call(hash, 3) << 24) >>> 0
,
( charCodeAt.call(hash, 4)
| charCodeAt.call(hash, 5) << 8
| charCodeAt.call(hash, 6) << 16
| charCodeAt.call(hash, 7) << 24) >>> 0
);
};
/**
* Converts this long bits to a 8 characters long hash.
* @returns {string} Hash
*/
LongBits.prototype.toHash = function toHash() {
return String.fromCharCode(
this.lo & 255,
this.lo >>> 8 & 255,
this.lo >>> 16 & 255,
this.lo >>> 24 ,
this.hi & 255,
this.hi >>> 8 & 255,
this.hi >>> 16 & 255,
this.hi >>> 24
);
};
/**
* Zig-zag encodes this long bits.
* @returns {util.LongBits} `this`
*/
LongBits.prototype.zzEncode = function zzEncode() {
var mask = this.hi >> 31;
this.hi = ((this.hi << 1 | this.lo >>> 31) ^ mask) >>> 0;
this.lo = ( this.lo << 1 ^ mask) >>> 0;
return this;
};
/**
* Zig-zag decodes this long bits.
* @returns {util.LongBits} `this`
*/
LongBits.prototype.zzDecode = function zzDecode() {
var mask = -(this.lo & 1);
this.lo = ((this.lo >>> 1 | this.hi << 31) ^ mask) >>> 0;
this.hi = ( this.hi >>> 1 ^ mask) >>> 0;
return this;
};
/**
* Calculates the length of this longbits when encoded as a varint.
* @returns {number} Length
*/
LongBits.prototype.length = function length() {
var part0 = this.lo,
part1 = (this.lo >>> 28 | this.hi << 4) >>> 0,
part2 = this.hi >>> 24;
return part2 === 0
? part1 === 0
? part0 < 16384
? part0 < 128 ? 1 : 2
: part0 < 2097152 ? 3 : 4
: part1 < 16384
? part1 < 128 ? 5 : 6
: part1 < 2097152 ? 7 : 8
: part2 < 128 ? 9 : 10;
};
},{"13":13}],13:[function(require,module,exports){
"use strict";
var util = exports;
// used to return a Promise where callback is omitted
util.asPromise = require(1);
// converts to / from base64 encoded strings
util.base64 = require(2);
// base class of rpc.Service
util.EventEmitter = require(3);
// requires modules optionally and hides the call from bundlers
util.inquire = require(4);
// converts to / from utf8 encoded strings
util.utf8 = require(6);
// provides a node-like buffer pool in the browser
util.pool = require(5);
// utility to work with the low and high bits of a 64 bit value
util.LongBits = require(12);
/**
* An immuable empty array.
* @memberof util
* @type {Array.<*>}
*/
util.emptyArray = Object.freeze ? Object.freeze([]) : /* istanbul ignore next */ []; // used on prototypes
/**
* An immutable empty object.
* @type {Object}
*/
util.emptyObject = Object.freeze ? Object.freeze({}) : /* istanbul ignore next */ {}; // used on prototypes
/**
* Whether running within node or not.
* @memberof util
* @type {boolean}
*/
util.isNode = Boolean(global.process && global.process.versions && global.process.versions.node);
/**
* Tests if the specified value is an integer.
* @function
* @param {*} value Value to test
* @returns {boolean} `true` if the value is an integer
*/
util.isInteger = Number.isInteger || /* istanbul ignore next */ function isInteger(value) {
return typeof value === "number" && isFinite(value) && Math.floor(value) === value;
};
/**
* Tests if the specified value is a string.
* @param {*} value Value to test
* @returns {boolean} `true` if the value is a string
*/
util.isString = function isString(value) {
return typeof value === "string" || value instanceof String;
};
/**
* Tests if the specified value is a non-null object.
* @param {*} value Value to test
* @returns {boolean} `true` if the value is a non-null object
*/
util.isObject = function isObject(value) {
return value && typeof value === "object";
};
/**
* Node's Buffer class if available.
* @type {?function(new: Buffer)}
*/
util.Buffer = (function() {
try {
var Buffer = util.inquire("buffer").Buffer;
// refuse to use non-node buffers if not explicitly assigned (perf reasons):
return Buffer.prototype.utf8Write ? Buffer : /* istanbul ignore next */ null;
} catch (e) {
/* istanbul ignore next */
return null;
}
})();
/**
* Internal alias of or polyfull for Buffer.from.
* @type {?function}
* @param {string|number[]} value Value
* @param {string} [encoding] Encoding if value is a string
* @returns {Uint8Array}
* @private
*/
util._Buffer_from = null;
/**
* Internal alias of or polyfill for Buffer.allocUnsafe.
* @type {?function}
* @param {number} size Buffer size
* @returns {Uint8Array}
* @private
*/
util._Buffer_allocUnsafe = null;
/**
* Creates a new buffer of whatever type supported by the environment.
* @param {number|number[]} [sizeOrArray=0] Buffer size or number array
* @returns {Uint8Array|Buffer} Buffer
*/
util.newBuffer = function newBuffer(sizeOrArray) {
/* istanbul ignore next */
return typeof sizeOrArray === "number"
? util.Buffer
? util._Buffer_allocUnsafe(sizeOrArray)
: new util.Array(sizeOrArray)
: util.Buffer
? util._Buffer_from(sizeOrArray)
: typeof Uint8Array === "undefined"
? sizeOrArray
: new Uint8Array(sizeOrArray);
};
/**
* Array implementation used in the browser. `Uint8Array` if supported, otherwise `Array`.
* @type {?function(new: Uint8Array, *)}
*/
util.Array = typeof Uint8Array !== "undefined" ? Uint8Array /* istanbul ignore next */ : Array;
/**
* Long.js's Long class if available.
* @type {?function(new: Long)}
*/
util.Long = /* istanbul ignore next */ global.dcodeIO && /* istanbul ignore next */ global.dcodeIO.Long || util.inquire("long");
/**
* Regular expression used to verify 2 bit (`bool`) map keys.
* @type {RegExp}
*/
util.key2Re = /^true|false|0|1$/;
/**
* Regular expression used to verify 32 bit (`int32` etc.) map keys.
* @type {RegExp}
*/
util.key32Re = /^-?(?:0|[1-9][0-9]*)$/;
/**
* Regular expression used to verify 64 bit (`int64` etc.) map keys.
* @type {RegExp}
*/
util.key64Re = /^(?:[\\x00-\\xff]{8}|-?(?:0|[1-9][0-9]*))$/;
/**
* Converts a number or long to an 8 characters long hash string.
* @param {Long|number} value Value to convert
* @returns {string} Hash
*/
util.longToHash = function longToHash(value) {
return value
? util.LongBits.from(value).toHash()
: util.LongBits.zeroHash;
};
/**
* Converts an 8 characters long hash string to a long or number.
* @param {string} hash Hash
* @param {boolean} [unsigned=false] Whether unsigned or not
* @returns {Long|number} Original value
*/
util.longFromHash = function longFromHash(hash, unsigned) {
var bits = util.LongBits.fromHash(hash);
if (util.Long)
return util.Long.fromBits(bits.lo, bits.hi, unsigned);
return bits.toNumber(Boolean(unsigned));
};
/**
* Merges the properties of the source object into the destination object.
* @memberof util
* @param {Object.<string,*>} dst Destination object
* @param {Object.<string,*>} src Source object
* @param {boolean} [ifNotSet=false] Merges only if the key is not already set
* @returns {Object.<string,*>} Destination object
*/
function merge(dst, src, ifNotSet) { // used by converters
for (var keys = Object.keys(src), i = 0; i < keys.length; ++i)
if (dst[keys[i]] === undefined || !ifNotSet)
dst[keys[i]] = src[keys[i]];
return dst;
}
util.merge = merge;
/**
* Converts the first character of a string to lower case.
* @param {string} str String to convert
* @returns {string} Converted string
*/
util.lcFirst = function lcFirst(str) {
return str.charAt(0).toLowerCase() + str.substring(1);
};
/**
* Creates a custom error constructor.
* @memberof util
* @param {string} name Error name
* @returns {function} Custom error constructor
*/
function newError(name) {
function CustomError(message, properties) {
if (!(this instanceof CustomError))
return new CustomError(message, properties);
// Error.call(this, message);
// ^ just returns a new error instance because the ctor can be called as a function
Object.defineProperty(this, "message", { get: function() { return message; } });
/* istanbul ignore next */
if (Error.captureStackTrace) // node
Error.captureStackTrace(this, CustomError);
else
Object.defineProperty(this, "stack", { value: (new Error()).stack || "" });
if (properties)
merge(this, properties);
}
(CustomError.prototype = Object.create(Error.prototype)).constructor = CustomError;
Object.defineProperty(CustomError.prototype, "name", { get: function() { return name; } });
CustomError.prototype.toString = function toString() {
return this.name + ": " + this.message;
};
return CustomError;
}
util.newError = newError;
/**
* Constructs a new protocol error.
* @classdesc Error subclass indicating a protocol specifc error.
* @memberof util
* @extends Error
* @constructor
* @param {string} message Error message
* @param {Object.<string,*>=} properties Additional properties
* @example
* try {
* MyMessage.decode(someBuffer); // throws if required fields are missing
* } catch (e) {
* if (e instanceof ProtocolError && e.instance)
* console.log("decoded so far: " + JSON.stringify(e.instance));
* }
*/
util.ProtocolError = newError("ProtocolError");
/**
* So far decoded message instance.
* @name util.ProtocolError#instance
* @type {Message}
*/
/**
* Builds a getter for a oneof's present field name.
* @param {string[]} fieldNames Field names
* @returns {function():string|undefined} Unbound getter
*/
util.oneOfGetter = function getOneOf(fieldNames) {
var fieldMap = {}