Squashed 'third_party/flatbuffers/' content from commit acc9990ab
Change-Id: I48550d40d78fea996ebe74e9723a5d1f910de491
git-subtree-dir: third_party/flatbuffers
git-subtree-split: acc9990abd2206491480291b0f85f925110102ea
diff --git a/js/flatbuffers.js b/js/flatbuffers.js
new file mode 100644
index 0000000..461cd7a
--- /dev/null
+++ b/js/flatbuffers.js
@@ -0,0 +1,1259 @@
+/// @file
+/// @addtogroup flatbuffers_javascript_api
+/// @{
+/// @cond FLATBUFFERS_INTERNAL
+
+/**
+ * @fileoverview
+ *
+ * Need to suppress 'global this' error so the Node.js export line doesn't cause
+ * closure compile to error out.
+ * @suppress {globalThis}
+ */
+
+/**
+ * @const
+ * @namespace
+ */
+var flatbuffers = {};
+
+/**
+ * @typedef {number}
+ */
+flatbuffers.Offset;
+
+/**
+ * @typedef {{
+ * bb: flatbuffers.ByteBuffer,
+ * bb_pos: number
+ * }}
+ */
+flatbuffers.Table;
+
+/**
+ * @type {number}
+ * @const
+ */
+flatbuffers.SIZEOF_SHORT = 2;
+
+/**
+ * @type {number}
+ * @const
+ */
+flatbuffers.SIZEOF_INT = 4;
+
+/**
+ * @type {number}
+ * @const
+ */
+flatbuffers.FILE_IDENTIFIER_LENGTH = 4;
+
+/**
+ * @type {number}
+ * @const
+ */
+flatbuffers.SIZE_PREFIX_LENGTH = 4;
+
+/**
+ * @enum {number}
+ */
+flatbuffers.Encoding = {
+ UTF8_BYTES: 1,
+ UTF16_STRING: 2
+};
+
+/**
+ * @type {Int32Array}
+ * @const
+ */
+flatbuffers.int32 = new Int32Array(2);
+
+/**
+ * @type {Float32Array}
+ * @const
+ */
+flatbuffers.float32 = new Float32Array(flatbuffers.int32.buffer);
+
+/**
+ * @type {Float64Array}
+ * @const
+ */
+flatbuffers.float64 = new Float64Array(flatbuffers.int32.buffer);
+
+/**
+ * @type {boolean}
+ * @const
+ */
+flatbuffers.isLittleEndian = new Uint16Array(new Uint8Array([1, 0]).buffer)[0] === 1;
+
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * @constructor
+ * @param {number} low
+ * @param {number} high
+ */
+flatbuffers.Long = function(low, high) {
+ /**
+ * @type {number}
+ * @const
+ */
+ this.low = low | 0;
+
+ /**
+ * @type {number}
+ * @const
+ */
+ this.high = high | 0;
+};
+
+/**
+ * @param {number} low
+ * @param {number} high
+ * @returns {flatbuffers.Long}
+ */
+flatbuffers.Long.create = function(low, high) {
+ // Special-case zero to avoid GC overhead for default values
+ return low == 0 && high == 0 ? flatbuffers.Long.ZERO : new flatbuffers.Long(low, high);
+};
+
+/**
+ * @returns {number}
+ */
+flatbuffers.Long.prototype.toFloat64 = function() {
+ return (this.low >>> 0) + this.high * 0x100000000;
+};
+
+/**
+ * @param {flatbuffers.Long} other
+ * @returns {boolean}
+ */
+flatbuffers.Long.prototype.equals = function(other) {
+ return this.low == other.low && this.high == other.high;
+};
+
+/**
+ * @type {flatbuffers.Long}
+ * @const
+ */
+flatbuffers.Long.ZERO = new flatbuffers.Long(0, 0);
+
+/// @endcond
+////////////////////////////////////////////////////////////////////////////////
+/**
+ * Create a FlatBufferBuilder.
+ *
+ * @constructor
+ * @param {number=} opt_initial_size
+ */
+flatbuffers.Builder = function(opt_initial_size) {
+ if (!opt_initial_size) {
+ var initial_size = 1024;
+ } else {
+ var initial_size = opt_initial_size;
+ }
+
+ /**
+ * @type {flatbuffers.ByteBuffer}
+ * @private
+ */
+ this.bb = flatbuffers.ByteBuffer.allocate(initial_size);
+
+ /**
+ * Remaining space in the ByteBuffer.
+ *
+ * @type {number}
+ * @private
+ */
+ this.space = initial_size;
+
+ /**
+ * Minimum alignment encountered so far.
+ *
+ * @type {number}
+ * @private
+ */
+ this.minalign = 1;
+
+ /**
+ * The vtable for the current table.
+ *
+ * @type {Array.<number>}
+ * @private
+ */
+ this.vtable = null;
+
+ /**
+ * The amount of fields we're actually using.
+ *
+ * @type {number}
+ * @private
+ */
+ this.vtable_in_use = 0;
+
+ /**
+ * Whether we are currently serializing a table.
+ *
+ * @type {boolean}
+ * @private
+ */
+ this.isNested = false;
+
+ /**
+ * Starting offset of the current struct/table.
+ *
+ * @type {number}
+ * @private
+ */
+ this.object_start = 0;
+
+ /**
+ * List of offsets of all vtables.
+ *
+ * @type {Array.<number>}
+ * @private
+ */
+ this.vtables = [];
+
+ /**
+ * For the current vector being built.
+ *
+ * @type {number}
+ * @private
+ */
+ this.vector_num_elems = 0;
+
+ /**
+ * False omits default values from the serialized data
+ *
+ * @type {boolean}
+ * @private
+ */
+ this.force_defaults = false;
+};
+
+flatbuffers.Builder.prototype.clear = function() {
+ this.bb.clear();
+ this.space = this.bb.capacity();
+ this.minalign = 1;
+ this.vtable = null;
+ this.vtable_in_use = 0;
+ this.isNested = false;
+ this.object_start = 0;
+ this.vtables = [];
+ this.vector_num_elems = 0;
+ this.force_defaults = false;
+};
+
+/**
+ * In order to save space, fields that are set to their default value
+ * don't get serialized into the buffer. Forcing defaults provides a
+ * way to manually disable this optimization.
+ *
+ * @param {boolean} forceDefaults true always serializes default values
+ */
+flatbuffers.Builder.prototype.forceDefaults = function(forceDefaults) {
+ this.force_defaults = forceDefaults;
+};
+
+/**
+ * Get the ByteBuffer representing the FlatBuffer. Only call this after you've
+ * called finish(). The actual data starts at the ByteBuffer's current position,
+ * not necessarily at 0.
+ *
+ * @returns {flatbuffers.ByteBuffer}
+ */
+flatbuffers.Builder.prototype.dataBuffer = function() {
+ return this.bb;
+};
+
+/**
+ * Get the bytes representing the FlatBuffer. Only call this after you've
+ * called finish().
+ *
+ * @returns {Uint8Array}
+ */
+flatbuffers.Builder.prototype.asUint8Array = function() {
+ return this.bb.bytes().subarray(this.bb.position(), this.bb.position() + this.offset());
+};
+
+/// @cond FLATBUFFERS_INTERNAL
+/**
+ * Prepare to write an element of `size` after `additional_bytes` have been
+ * written, e.g. if you write a string, you need to align such the int length
+ * field is aligned to 4 bytes, and the string data follows it directly. If all
+ * you need to do is alignment, `additional_bytes` will be 0.
+ *
+ * @param {number} size This is the of the new element to write
+ * @param {number} additional_bytes The padding size
+ */
+flatbuffers.Builder.prototype.prep = function(size, additional_bytes) {
+ // Track the biggest thing we've ever aligned to.
+ if (size > this.minalign) {
+ this.minalign = size;
+ }
+
+ // Find the amount of alignment needed such that `size` is properly
+ // aligned after `additional_bytes`
+ var align_size = ((~(this.bb.capacity() - this.space + additional_bytes)) + 1) & (size - 1);
+
+ // Reallocate the buffer if needed.
+ while (this.space < align_size + size + additional_bytes) {
+ var old_buf_size = this.bb.capacity();
+ this.bb = flatbuffers.Builder.growByteBuffer(this.bb);
+ this.space += this.bb.capacity() - old_buf_size;
+ }
+
+ this.pad(align_size);
+};
+
+/**
+ * @param {number} byte_size
+ */
+flatbuffers.Builder.prototype.pad = function(byte_size) {
+ for (var i = 0; i < byte_size; i++) {
+ this.bb.writeInt8(--this.space, 0);
+ }
+};
+
+/**
+ * @param {number} value
+ */
+flatbuffers.Builder.prototype.writeInt8 = function(value) {
+ this.bb.writeInt8(this.space -= 1, value);
+};
+
+/**
+ * @param {number} value
+ */
+flatbuffers.Builder.prototype.writeInt16 = function(value) {
+ this.bb.writeInt16(this.space -= 2, value);
+};
+
+/**
+ * @param {number} value
+ */
+flatbuffers.Builder.prototype.writeInt32 = function(value) {
+ this.bb.writeInt32(this.space -= 4, value);
+};
+
+/**
+ * @param {flatbuffers.Long} value
+ */
+flatbuffers.Builder.prototype.writeInt64 = function(value) {
+ this.bb.writeInt64(this.space -= 8, value);
+};
+
+/**
+ * @param {number} value
+ */
+flatbuffers.Builder.prototype.writeFloat32 = function(value) {
+ this.bb.writeFloat32(this.space -= 4, value);
+};
+
+/**
+ * @param {number} value
+ */
+flatbuffers.Builder.prototype.writeFloat64 = function(value) {
+ this.bb.writeFloat64(this.space -= 8, value);
+};
+/// @endcond
+
+/**
+ * Add an `int8` to the buffer, properly aligned, and grows the buffer (if necessary).
+ * @param {number} value The `int8` to add the the buffer.
+ */
+flatbuffers.Builder.prototype.addInt8 = function(value) {
+ this.prep(1, 0);
+ this.writeInt8(value);
+};
+
+/**
+ * Add an `int16` to the buffer, properly aligned, and grows the buffer (if necessary).
+ * @param {number} value The `int16` to add the the buffer.
+ */
+flatbuffers.Builder.prototype.addInt16 = function(value) {
+ this.prep(2, 0);
+ this.writeInt16(value);
+};
+
+/**
+ * Add an `int32` to the buffer, properly aligned, and grows the buffer (if necessary).
+ * @param {number} value The `int32` to add the the buffer.
+ */
+flatbuffers.Builder.prototype.addInt32 = function(value) {
+ this.prep(4, 0);
+ this.writeInt32(value);
+};
+
+/**
+ * Add an `int64` to the buffer, properly aligned, and grows the buffer (if necessary).
+ * @param {flatbuffers.Long} value The `int64` to add the the buffer.
+ */
+flatbuffers.Builder.prototype.addInt64 = function(value) {
+ this.prep(8, 0);
+ this.writeInt64(value);
+};
+
+/**
+ * Add a `float32` to the buffer, properly aligned, and grows the buffer (if necessary).
+ * @param {number} value The `float32` to add the the buffer.
+ */
+flatbuffers.Builder.prototype.addFloat32 = function(value) {
+ this.prep(4, 0);
+ this.writeFloat32(value);
+};
+
+/**
+ * Add a `float64` to the buffer, properly aligned, and grows the buffer (if necessary).
+ * @param {number} value The `float64` to add the the buffer.
+ */
+flatbuffers.Builder.prototype.addFloat64 = function(value) {
+ this.prep(8, 0);
+ this.writeFloat64(value);
+};
+
+/// @cond FLATBUFFERS_INTERNAL
+/**
+ * @param {number} voffset
+ * @param {number} value
+ * @param {number} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldInt8 = function(voffset, value, defaultValue) {
+ if (this.force_defaults || value != defaultValue) {
+ this.addInt8(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * @param {number} voffset
+ * @param {number} value
+ * @param {number} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldInt16 = function(voffset, value, defaultValue) {
+ if (this.force_defaults || value != defaultValue) {
+ this.addInt16(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * @param {number} voffset
+ * @param {number} value
+ * @param {number} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldInt32 = function(voffset, value, defaultValue) {
+ if (this.force_defaults || value != defaultValue) {
+ this.addInt32(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * @param {number} voffset
+ * @param {flatbuffers.Long} value
+ * @param {flatbuffers.Long} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldInt64 = function(voffset, value, defaultValue) {
+ if (this.force_defaults || !value.equals(defaultValue)) {
+ this.addInt64(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * @param {number} voffset
+ * @param {number} value
+ * @param {number} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldFloat32 = function(voffset, value, defaultValue) {
+ if (this.force_defaults || value != defaultValue) {
+ this.addFloat32(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * @param {number} voffset
+ * @param {number} value
+ * @param {number} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldFloat64 = function(voffset, value, defaultValue) {
+ if (this.force_defaults || value != defaultValue) {
+ this.addFloat64(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * @param {number} voffset
+ * @param {flatbuffers.Offset} value
+ * @param {flatbuffers.Offset} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldOffset = function(voffset, value, defaultValue) {
+ if (this.force_defaults || value != defaultValue) {
+ this.addOffset(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * Structs are stored inline, so nothing additional is being added. `d` is always 0.
+ *
+ * @param {number} voffset
+ * @param {flatbuffers.Offset} value
+ * @param {flatbuffers.Offset} defaultValue
+ */
+flatbuffers.Builder.prototype.addFieldStruct = function(voffset, value, defaultValue) {
+ if (value != defaultValue) {
+ this.nested(value);
+ this.slot(voffset);
+ }
+};
+
+/**
+ * Structures are always stored inline, they need to be created right
+ * where they're used. You'll get this assertion failure if you
+ * created it elsewhere.
+ *
+ * @param {flatbuffers.Offset} obj The offset of the created object
+ */
+flatbuffers.Builder.prototype.nested = function(obj) {
+ if (obj != this.offset()) {
+ throw new Error('FlatBuffers: struct must be serialized inline.');
+ }
+};
+
+/**
+ * Should not be creating any other object, string or vector
+ * while an object is being constructed
+ */
+flatbuffers.Builder.prototype.notNested = function() {
+ if (this.isNested) {
+ throw new Error('FlatBuffers: object serialization must not be nested.');
+ }
+};
+
+/**
+ * Set the current vtable at `voffset` to the current location in the buffer.
+ *
+ * @param {number} voffset
+ */
+flatbuffers.Builder.prototype.slot = function(voffset) {
+ this.vtable[voffset] = this.offset();
+};
+
+/**
+ * @returns {flatbuffers.Offset} Offset relative to the end of the buffer.
+ */
+flatbuffers.Builder.prototype.offset = function() {
+ return this.bb.capacity() - this.space;
+};
+
+/**
+ * Doubles the size of the backing ByteBuffer and copies the old data towards
+ * the end of the new buffer (since we build the buffer backwards).
+ *
+ * @param {flatbuffers.ByteBuffer} bb The current buffer with the existing data
+ * @returns {flatbuffers.ByteBuffer} A new byte buffer with the old data copied
+ * to it. The data is located at the end of the buffer.
+ *
+ * uint8Array.set() formally takes {Array<number>|ArrayBufferView}, so to pass
+ * it a uint8Array we need to suppress the type check:
+ * @suppress {checkTypes}
+ */
+flatbuffers.Builder.growByteBuffer = function(bb) {
+ var old_buf_size = bb.capacity();
+
+ // Ensure we don't grow beyond what fits in an int.
+ if (old_buf_size & 0xC0000000) {
+ throw new Error('FlatBuffers: cannot grow buffer beyond 2 gigabytes.');
+ }
+
+ var new_buf_size = old_buf_size << 1;
+ var nbb = flatbuffers.ByteBuffer.allocate(new_buf_size);
+ nbb.setPosition(new_buf_size - old_buf_size);
+ nbb.bytes().set(bb.bytes(), new_buf_size - old_buf_size);
+ return nbb;
+};
+/// @endcond
+
+/**
+ * Adds on offset, relative to where it will be written.
+ *
+ * @param {flatbuffers.Offset} offset The offset to add.
+ */
+flatbuffers.Builder.prototype.addOffset = function(offset) {
+ this.prep(flatbuffers.SIZEOF_INT, 0); // Ensure alignment is already done.
+ this.writeInt32(this.offset() - offset + flatbuffers.SIZEOF_INT);
+};
+
+/// @cond FLATBUFFERS_INTERNAL
+/**
+ * Start encoding a new object in the buffer. Users will not usually need to
+ * call this directly. The FlatBuffers compiler will generate helper methods
+ * that call this method internally.
+ *
+ * @param {number} numfields
+ */
+flatbuffers.Builder.prototype.startObject = function(numfields) {
+ this.notNested();
+ if (this.vtable == null) {
+ this.vtable = [];
+ }
+ this.vtable_in_use = numfields;
+ for (var i = 0; i < numfields; i++) {
+ this.vtable[i] = 0; // This will push additional elements as needed
+ }
+ this.isNested = true;
+ this.object_start = this.offset();
+};
+
+/**
+ * Finish off writing the object that is under construction.
+ *
+ * @returns {flatbuffers.Offset} The offset to the object inside `dataBuffer`
+ */
+flatbuffers.Builder.prototype.endObject = function() {
+ if (this.vtable == null || !this.isNested) {
+ throw new Error('FlatBuffers: endObject called without startObject');
+ }
+
+ this.addInt32(0);
+ var vtableloc = this.offset();
+
+ // Trim trailing zeroes.
+ var i = this.vtable_in_use - 1;
+ for (; i >= 0 && this.vtable[i] == 0; i--) {}
+ var trimmed_size = i + 1;
+
+ // Write out the current vtable.
+ for (; i >= 0; i--) {
+ // Offset relative to the start of the table.
+ this.addInt16(this.vtable[i] != 0 ? vtableloc - this.vtable[i] : 0);
+ }
+
+ var standard_fields = 2; // The fields below:
+ this.addInt16(vtableloc - this.object_start);
+ var len = (trimmed_size + standard_fields) * flatbuffers.SIZEOF_SHORT;
+ this.addInt16(len);
+
+ // Search for an existing vtable that matches the current one.
+ var existing_vtable = 0;
+ var vt1 = this.space;
+outer_loop:
+ for (i = 0; i < this.vtables.length; i++) {
+ var vt2 = this.bb.capacity() - this.vtables[i];
+ if (len == this.bb.readInt16(vt2)) {
+ for (var j = flatbuffers.SIZEOF_SHORT; j < len; j += flatbuffers.SIZEOF_SHORT) {
+ if (this.bb.readInt16(vt1 + j) != this.bb.readInt16(vt2 + j)) {
+ continue outer_loop;
+ }
+ }
+ existing_vtable = this.vtables[i];
+ break;
+ }
+ }
+
+ if (existing_vtable) {
+ // Found a match:
+ // Remove the current vtable.
+ this.space = this.bb.capacity() - vtableloc;
+
+ // Point table to existing vtable.
+ this.bb.writeInt32(this.space, existing_vtable - vtableloc);
+ } else {
+ // No match:
+ // Add the location of the current vtable to the list of vtables.
+ this.vtables.push(this.offset());
+
+ // Point table to current vtable.
+ this.bb.writeInt32(this.bb.capacity() - vtableloc, this.offset() - vtableloc);
+ }
+
+ this.isNested = false;
+ return vtableloc;
+};
+/// @endcond
+
+/**
+ * Finalize a buffer, poiting to the given `root_table`.
+ *
+ * @param {flatbuffers.Offset} root_table
+ * @param {string=} opt_file_identifier
+ * @param {boolean=} opt_size_prefix
+ */
+flatbuffers.Builder.prototype.finish = function(root_table, opt_file_identifier, opt_size_prefix) {
+ var size_prefix = opt_size_prefix ? flatbuffers.SIZE_PREFIX_LENGTH : 0;
+ if (opt_file_identifier) {
+ var file_identifier = opt_file_identifier;
+ this.prep(this.minalign, flatbuffers.SIZEOF_INT +
+ flatbuffers.FILE_IDENTIFIER_LENGTH + size_prefix);
+ if (file_identifier.length != flatbuffers.FILE_IDENTIFIER_LENGTH) {
+ throw new Error('FlatBuffers: file identifier must be length ' +
+ flatbuffers.FILE_IDENTIFIER_LENGTH);
+ }
+ for (var i = flatbuffers.FILE_IDENTIFIER_LENGTH - 1; i >= 0; i--) {
+ this.writeInt8(file_identifier.charCodeAt(i));
+ }
+ }
+ this.prep(this.minalign, flatbuffers.SIZEOF_INT + size_prefix);
+ this.addOffset(root_table);
+ if (size_prefix) {
+ this.addInt32(this.bb.capacity() - this.space);
+ }
+ this.bb.setPosition(this.space);
+};
+
+/**
+ * Finalize a size prefixed buffer, pointing to the given `root_table`.
+ *
+ * @param {flatbuffers.Offset} root_table
+ * @param {string=} opt_file_identifier
+ */
+flatbuffers.Builder.prototype.finishSizePrefixed = function (root_table, opt_file_identifier) {
+ this.finish(root_table, opt_file_identifier, true);
+};
+
+/// @cond FLATBUFFERS_INTERNAL
+/**
+ * This checks a required field has been set in a given table that has
+ * just been constructed.
+ *
+ * @param {flatbuffers.Offset} table
+ * @param {number} field
+ */
+flatbuffers.Builder.prototype.requiredField = function(table, field) {
+ var table_start = this.bb.capacity() - table;
+ var vtable_start = table_start - this.bb.readInt32(table_start);
+ var ok = this.bb.readInt16(vtable_start + field) != 0;
+
+ // If this fails, the caller will show what field needs to be set.
+ if (!ok) {
+ throw new Error('FlatBuffers: field ' + field + ' must be set');
+ }
+};
+
+/**
+ * Start a new array/vector of objects. Users usually will not call
+ * this directly. The FlatBuffers compiler will create a start/end
+ * method for vector types in generated code.
+ *
+ * @param {number} elem_size The size of each element in the array
+ * @param {number} num_elems The number of elements in the array
+ * @param {number} alignment The alignment of the array
+ */
+flatbuffers.Builder.prototype.startVector = function(elem_size, num_elems, alignment) {
+ this.notNested();
+ this.vector_num_elems = num_elems;
+ this.prep(flatbuffers.SIZEOF_INT, elem_size * num_elems);
+ this.prep(alignment, elem_size * num_elems); // Just in case alignment > int.
+};
+
+/**
+ * Finish off the creation of an array and all its elements. The array must be
+ * created with `startVector`.
+ *
+ * @returns {flatbuffers.Offset} The offset at which the newly created array
+ * starts.
+ */
+flatbuffers.Builder.prototype.endVector = function() {
+ this.writeInt32(this.vector_num_elems);
+ return this.offset();
+};
+/// @endcond
+
+/**
+ * Encode the string `s` in the buffer using UTF-8. If a Uint8Array is passed
+ * instead of a string, it is assumed to contain valid UTF-8 encoded data.
+ *
+ * @param {string|Uint8Array} s The string to encode
+ * @return {flatbuffers.Offset} The offset in the buffer where the encoded string starts
+ */
+flatbuffers.Builder.prototype.createString = function(s) {
+ if (s instanceof Uint8Array) {
+ var utf8 = s;
+ } else {
+ var utf8 = [];
+ var i = 0;
+
+ while (i < s.length) {
+ var codePoint;
+
+ // Decode UTF-16
+ var a = s.charCodeAt(i++);
+ if (a < 0xD800 || a >= 0xDC00) {
+ codePoint = a;
+ } else {
+ var b = s.charCodeAt(i++);
+ codePoint = (a << 10) + b + (0x10000 - (0xD800 << 10) - 0xDC00);
+ }
+
+ // Encode UTF-8
+ if (codePoint < 0x80) {
+ utf8.push(codePoint);
+ } else {
+ if (codePoint < 0x800) {
+ utf8.push(((codePoint >> 6) & 0x1F) | 0xC0);
+ } else {
+ if (codePoint < 0x10000) {
+ utf8.push(((codePoint >> 12) & 0x0F) | 0xE0);
+ } else {
+ utf8.push(
+ ((codePoint >> 18) & 0x07) | 0xF0,
+ ((codePoint >> 12) & 0x3F) | 0x80);
+ }
+ utf8.push(((codePoint >> 6) & 0x3F) | 0x80);
+ }
+ utf8.push((codePoint & 0x3F) | 0x80);
+ }
+ }
+ }
+
+ this.addInt8(0);
+ this.startVector(1, utf8.length, 1);
+ this.bb.setPosition(this.space -= utf8.length);
+ for (var i = 0, offset = this.space, bytes = this.bb.bytes(); i < utf8.length; i++) {
+ bytes[offset++] = utf8[i];
+ }
+ return this.endVector();
+};
+
+/**
+ * A helper function to avoid generated code depending on this file directly.
+ *
+ * @param {number} low
+ * @param {number} high
+ * @returns {flatbuffers.Long}
+ */
+flatbuffers.Builder.prototype.createLong = function(low, high) {
+ return flatbuffers.Long.create(low, high);
+};
+////////////////////////////////////////////////////////////////////////////////
+/// @cond FLATBUFFERS_INTERNAL
+/**
+ * Create a new ByteBuffer with a given array of bytes (`Uint8Array`).
+ *
+ * @constructor
+ * @param {Uint8Array} bytes
+ */
+flatbuffers.ByteBuffer = function(bytes) {
+ /**
+ * @type {Uint8Array}
+ * @private
+ */
+ this.bytes_ = bytes;
+
+ /**
+ * @type {number}
+ * @private
+ */
+ this.position_ = 0;
+};
+
+/**
+ * Create and allocate a new ByteBuffer with a given size.
+ *
+ * @param {number} byte_size
+ * @returns {flatbuffers.ByteBuffer}
+ */
+flatbuffers.ByteBuffer.allocate = function(byte_size) {
+ return new flatbuffers.ByteBuffer(new Uint8Array(byte_size));
+};
+
+flatbuffers.ByteBuffer.prototype.clear = function() {
+ this.position_ = 0;
+};
+
+/**
+ * Get the underlying `Uint8Array`.
+ *
+ * @returns {Uint8Array}
+ */
+flatbuffers.ByteBuffer.prototype.bytes = function() {
+ return this.bytes_;
+};
+
+/**
+ * Get the buffer's position.
+ *
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.position = function() {
+ return this.position_;
+};
+
+/**
+ * Set the buffer's position.
+ *
+ * @param {number} position
+ */
+flatbuffers.ByteBuffer.prototype.setPosition = function(position) {
+ this.position_ = position;
+};
+
+/**
+ * Get the buffer's capacity.
+ *
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.capacity = function() {
+ return this.bytes_.length;
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readInt8 = function(offset) {
+ return this.readUint8(offset) << 24 >> 24;
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readUint8 = function(offset) {
+ return this.bytes_[offset];
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readInt16 = function(offset) {
+ return this.readUint16(offset) << 16 >> 16;
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readUint16 = function(offset) {
+ return this.bytes_[offset] | this.bytes_[offset + 1] << 8;
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readInt32 = function(offset) {
+ return this.bytes_[offset] | this.bytes_[offset + 1] << 8 | this.bytes_[offset + 2] << 16 | this.bytes_[offset + 3] << 24;
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readUint32 = function(offset) {
+ return this.readInt32(offset) >>> 0;
+};
+
+/**
+ * @param {number} offset
+ * @returns {flatbuffers.Long}
+ */
+flatbuffers.ByteBuffer.prototype.readInt64 = function(offset) {
+ return new flatbuffers.Long(this.readInt32(offset), this.readInt32(offset + 4));
+};
+
+/**
+ * @param {number} offset
+ * @returns {flatbuffers.Long}
+ */
+flatbuffers.ByteBuffer.prototype.readUint64 = function(offset) {
+ return new flatbuffers.Long(this.readUint32(offset), this.readUint32(offset + 4));
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readFloat32 = function(offset) {
+ flatbuffers.int32[0] = this.readInt32(offset);
+ return flatbuffers.float32[0];
+};
+
+/**
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.readFloat64 = function(offset) {
+ flatbuffers.int32[flatbuffers.isLittleEndian ? 0 : 1] = this.readInt32(offset);
+ flatbuffers.int32[flatbuffers.isLittleEndian ? 1 : 0] = this.readInt32(offset + 4);
+ return flatbuffers.float64[0];
+};
+
+/**
+ * @param {number} offset
+ * @param {number|boolean} value
+ */
+flatbuffers.ByteBuffer.prototype.writeInt8 = function(offset, value) {
+ this.bytes_[offset] = /** @type {number} */(value);
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeUint8 = function(offset, value) {
+ this.bytes_[offset] = value;
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeInt16 = function(offset, value) {
+ this.bytes_[offset] = value;
+ this.bytes_[offset + 1] = value >> 8;
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeUint16 = function(offset, value) {
+ this.bytes_[offset] = value;
+ this.bytes_[offset + 1] = value >> 8;
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeInt32 = function(offset, value) {
+ this.bytes_[offset] = value;
+ this.bytes_[offset + 1] = value >> 8;
+ this.bytes_[offset + 2] = value >> 16;
+ this.bytes_[offset + 3] = value >> 24;
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeUint32 = function(offset, value) {
+ this.bytes_[offset] = value;
+ this.bytes_[offset + 1] = value >> 8;
+ this.bytes_[offset + 2] = value >> 16;
+ this.bytes_[offset + 3] = value >> 24;
+};
+
+/**
+ * @param {number} offset
+ * @param {flatbuffers.Long} value
+ */
+flatbuffers.ByteBuffer.prototype.writeInt64 = function(offset, value) {
+ this.writeInt32(offset, value.low);
+ this.writeInt32(offset + 4, value.high);
+};
+
+/**
+ * @param {number} offset
+ * @param {flatbuffers.Long} value
+ */
+flatbuffers.ByteBuffer.prototype.writeUint64 = function(offset, value) {
+ this.writeUint32(offset, value.low);
+ this.writeUint32(offset + 4, value.high);
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeFloat32 = function(offset, value) {
+ flatbuffers.float32[0] = value;
+ this.writeInt32(offset, flatbuffers.int32[0]);
+};
+
+/**
+ * @param {number} offset
+ * @param {number} value
+ */
+flatbuffers.ByteBuffer.prototype.writeFloat64 = function(offset, value) {
+ flatbuffers.float64[0] = value;
+ this.writeInt32(offset, flatbuffers.int32[flatbuffers.isLittleEndian ? 0 : 1]);
+ this.writeInt32(offset + 4, flatbuffers.int32[flatbuffers.isLittleEndian ? 1 : 0]);
+};
+
+/**
+ * Return the file identifier. Behavior is undefined for FlatBuffers whose
+ * schema does not include a file_identifier (likely points at padding or the
+ * start of a the root vtable).
+ * @returns {string}
+ */
+flatbuffers.ByteBuffer.prototype.getBufferIdentifier = function() {
+ if (this.bytes_.length < this.position_ + flatbuffers.SIZEOF_INT +
+ flatbuffers.FILE_IDENTIFIER_LENGTH) {
+ throw new Error(
+ 'FlatBuffers: ByteBuffer is too short to contain an identifier.');
+ }
+ var result = "";
+ for (var i = 0; i < flatbuffers.FILE_IDENTIFIER_LENGTH; i++) {
+ result += String.fromCharCode(
+ this.readInt8(this.position_ + flatbuffers.SIZEOF_INT + i));
+ }
+ return result;
+};
+
+/**
+ * Look up a field in the vtable, return an offset into the object, or 0 if the
+ * field is not present.
+ *
+ * @param {number} bb_pos
+ * @param {number} vtable_offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.__offset = function(bb_pos, vtable_offset) {
+ var vtable = bb_pos - this.readInt32(bb_pos);
+ return vtable_offset < this.readInt16(vtable) ? this.readInt16(vtable + vtable_offset) : 0;
+};
+
+/**
+ * Initialize any Table-derived type to point to the union at the given offset.
+ *
+ * @param {flatbuffers.Table} t
+ * @param {number} offset
+ * @returns {flatbuffers.Table}
+ */
+flatbuffers.ByteBuffer.prototype.__union = function(t, offset) {
+ t.bb_pos = offset + this.readInt32(offset);
+ t.bb = this;
+ return t;
+};
+
+/**
+ * Create a JavaScript string from UTF-8 data stored inside the FlatBuffer.
+ * This allocates a new string and converts to wide chars upon each access.
+ *
+ * To avoid the conversion to UTF-16, pass flatbuffers.Encoding.UTF8_BYTES as
+ * the "optionalEncoding" argument. This is useful for avoiding conversion to
+ * and from UTF-16 when the data will just be packaged back up in another
+ * FlatBuffer later on.
+ *
+ * @param {number} offset
+ * @param {flatbuffers.Encoding=} opt_encoding Defaults to UTF16_STRING
+ * @returns {string|Uint8Array}
+ */
+flatbuffers.ByteBuffer.prototype.__string = function(offset, opt_encoding) {
+ offset += this.readInt32(offset);
+
+ var length = this.readInt32(offset);
+ var result = '';
+ var i = 0;
+
+ offset += flatbuffers.SIZEOF_INT;
+
+ if (opt_encoding === flatbuffers.Encoding.UTF8_BYTES) {
+ return this.bytes_.subarray(offset, offset + length);
+ }
+
+ while (i < length) {
+ var codePoint;
+
+ // Decode UTF-8
+ var a = this.readUint8(offset + i++);
+ if (a < 0xC0) {
+ codePoint = a;
+ } else {
+ var b = this.readUint8(offset + i++);
+ if (a < 0xE0) {
+ codePoint =
+ ((a & 0x1F) << 6) |
+ (b & 0x3F);
+ } else {
+ var c = this.readUint8(offset + i++);
+ if (a < 0xF0) {
+ codePoint =
+ ((a & 0x0F) << 12) |
+ ((b & 0x3F) << 6) |
+ (c & 0x3F);
+ } else {
+ var d = this.readUint8(offset + i++);
+ codePoint =
+ ((a & 0x07) << 18) |
+ ((b & 0x3F) << 12) |
+ ((c & 0x3F) << 6) |
+ (d & 0x3F);
+ }
+ }
+ }
+
+ // Encode UTF-16
+ if (codePoint < 0x10000) {
+ result += String.fromCharCode(codePoint);
+ } else {
+ codePoint -= 0x10000;
+ result += String.fromCharCode(
+ (codePoint >> 10) + 0xD800,
+ (codePoint & ((1 << 10) - 1)) + 0xDC00);
+ }
+ }
+
+ return result;
+};
+
+/**
+ * Retrieve the relative offset stored at "offset"
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.__indirect = function(offset) {
+ return offset + this.readInt32(offset);
+};
+
+/**
+ * Get the start of data of a vector whose offset is stored at "offset" in this object.
+ *
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.__vector = function(offset) {
+ return offset + this.readInt32(offset) + flatbuffers.SIZEOF_INT; // data starts after the length
+};
+
+/**
+ * Get the length of a vector whose offset is stored at "offset" in this object.
+ *
+ * @param {number} offset
+ * @returns {number}
+ */
+flatbuffers.ByteBuffer.prototype.__vector_len = function(offset) {
+ return this.readInt32(offset + this.readInt32(offset));
+};
+
+/**
+ * @param {string} ident
+ * @returns {boolean}
+ */
+flatbuffers.ByteBuffer.prototype.__has_identifier = function(ident) {
+ if (ident.length != flatbuffers.FILE_IDENTIFIER_LENGTH) {
+ throw new Error('FlatBuffers: file identifier must be length ' +
+ flatbuffers.FILE_IDENTIFIER_LENGTH);
+ }
+ for (var i = 0; i < flatbuffers.FILE_IDENTIFIER_LENGTH; i++) {
+ if (ident.charCodeAt(i) != this.readInt8(this.position_ + flatbuffers.SIZEOF_INT + i)) {
+ return false;
+ }
+ }
+ return true;
+};
+
+/**
+ * A helper function to avoid generated code depending on this file directly.
+ *
+ * @param {number} low
+ * @param {number} high
+ * @returns {flatbuffers.Long}
+ */
+flatbuffers.ByteBuffer.prototype.createLong = function(low, high) {
+ return flatbuffers.Long.create(low, high);
+};
+
+// Exports for Node.js and RequireJS
+this.flatbuffers = flatbuffers;
+
+/// @endcond
+/// @}