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368x 368x 41x 41x 4x 4x 41x 41x 105750x 105750x 41x 41x 814x 814x 41x 41x 1432x 6x 6x 6x 6x 6x 6x 6x 6x 1432x 1432x 6x 6x 1432x 1432x 174x 174x 82x 174x 92x 92x 174x 1432x 41x 41x 7634x 7634x 41x 41x 8828x 8828x 41x 41x 4141x 4141x 41x 41x 11033x 11033x 41x | import { Instance } from "./Instance.js";
import { Communicator } from "./Communicator.js";
import { Ice as Ice_Version } from "./Version.js";
const { EncodingVersion } = Ice_Version;
import { FormatType } from "./FormatType.js";
import { InitializationException, MarshalException } from "./LocalExceptions.js";
import { Buffer } from "./Buffer.js";
import { Ice as Ice_Identity } from "./Identity.js";
const { Identity } = Ice_Identity;
import { Encoding_1_0, Protocol } from "./Protocol.js";
import { SliceType } from "./SliceType.js";
import { Value } from "./Value.js";
import { OptionalFormat } from "./OptionalFormat.js";
class WriteEncaps {
constructor() {
this.start = 0;
this.format = null;
this.encoding = null;
this.encoding_1_0 = false;
this.encoder = null;
this.next = null;
}
reset() {
this.encoder = null;
}
setEncoding(encoding) {
this.encoding = encoding;
this.encoding_1_0 = encoding.equals(Encoding_1_0);
}
}
class EncapsEncoder {
constructor(stream, encaps) {
this._stream = stream;
this._encaps = encaps;
this._marshaledMap = new Map(); // Map<Value, int>;
this._typeIdMap = null; // Lazy initialized. Map<String, int>
this._typeIdIndex = 0;
}
writeOptional() {
return false;
}
writePendingValues() {
return undefined;
}
registerTypeId(typeId) {
if (this._typeIdMap === null) {
// Lazy initialization
this._typeIdMap = new Map(); // Map<String, int>
}
const p = this._typeIdMap.get(typeId);
if (p !== undefined) {
return p;
} else {
this._typeIdMap.set(typeId, ++this._typeIdIndex);
return -1;
}
}
}
class EncapsEncoder10 extends EncapsEncoder {
constructor(stream, encaps) {
super(stream, encaps);
this._sliceType = SliceType.NoSlice;
this._writeSlice = 0; // Position of the slice data members
this._valueIdIndex = 0;
this._toBeMarshaledMap = new Map(); // Map<Value, Integer>();
}
writeValue(v) {
console.assert(v !== undefined);
//
// Object references are encoded as a negative integer in 1.0.
//
if (v !== null && v !== undefined) {
this._stream.writeInt(-this.registerValue(v));
} else {
this._stream.writeInt(0);
}
}
writeException(v) {
console.assert(v !== null && v !== undefined);
//
// User exception with the 1.0 encoding start with a boolean
// flag that indicates whether or not the exception uses
// classes.
//
// This allows reading the pending instances even if some part of
// the exception was sliced.
//
const usesClasses = v._usesClasses();
this._stream.writeBool(usesClasses);
v._write(this._stream);
if (usesClasses) {
this.writePendingValues();
}
}
startInstance(sliceType) {
this._sliceType = sliceType;
}
endInstance() {
if (this._sliceType === SliceType.ValueSlice) {
//
// Write the Object slice.
//
this.startSlice(Value.ice_staticId(), -1, true);
this._stream.writeSize(0); // For compatibility with the old AFM.
this.endSlice();
}
this._sliceType = SliceType.NoSlice;
}
startSlice(typeId) {
//
// For instance slices, encode a boolean to indicate how the type ID
// is encoded and the type ID either as a string or index. For
// exception slices, always encode the type ID as a string.
//
if (this._sliceType === SliceType.ValueSlice) {
const index = this.registerTypeId(typeId);
if (index < 0) {
this._stream.writeBool(false);
this._stream.writeString(typeId);
} else {
this._stream.writeBool(true);
this._stream.writeSize(index);
}
} else {
this._stream.writeString(typeId);
}
this._stream.writeInt(0); // Placeholder for the slice length.
this._writeSlice = this._stream.pos;
}
endSlice() {
//
// Write the slice length.
//
const sz = this._stream.pos - this._writeSlice + 4;
this._stream.rewriteInt(sz, this._writeSlice - 4);
}
writePendingValues() {
const writeCB = (value, key) => {
//
// Ask the instance to marshal itself. Any new class
// instances that are triggered by the classes marshaled
// are added to toBeMarshaledMap.
//
this._stream.writeInt(value);
key.ice_preMarshal();
key._iceWrite(this._stream);
};
while (this._toBeMarshaledMap.size > 0) {
//
// Consider the to be marshaled instances as marshaled now,
// this is necessary to avoid adding again the "to be
// marshaled instances" into _toBeMarshaledMap while writing
// instances.
//
this._toBeMarshaledMap.forEach((value, key) => this._marshaledMap.set(key, value));
const savedMap = this._toBeMarshaledMap;
this._toBeMarshaledMap = new Map(); // Map<Value, int>();
this._stream.writeSize(savedMap.size);
savedMap.forEach(writeCB);
}
this._stream.writeSize(0); // Zero marker indicates end of sequence of sequences of instances.
}
registerValue(v) {
console.assert(v !== null);
//
// Look for this instance in the to-be-marshaled map.
//
let p = this._toBeMarshaledMap.get(v);
if (p !== undefined) {
return p;
}
//
// Didn't find it, try the marshaled map next.
//
p = this._marshaledMap.get(v);
if (p !== undefined) {
return p;
}
//
// We haven't seen this instance previously, create a new
// index, and insert it into the to-be-marshaled map.
//
this._toBeMarshaledMap.set(v, ++this._valueIdIndex);
return this._valueIdIndex;
}
}
class EncapsEncoder11 extends EncapsEncoder {
constructor(stream, encaps) {
super(stream, encaps);
this._current = null;
this._valueIdIndex = 1;
}
writeValue(v) {
console.assert(v !== undefined);
if (v === null || v === undefined) {
this._stream.writeSize(0);
} else if (this._current !== null && this._encaps.format === FormatType.SlicedFormat) {
if (this._current.indirectionTable === null) {
// Lazy initialization
this._current.indirectionTable = []; // Value[]
this._current.indirectionMap = new Map(); // Map<Value, int>
}
//
// If writing an instance within a slice and using the sliced
// format, write an index from the instance indirection
// table. The indirect instance table is encoded at the end of
// each slice and is always read (even if the Slice is
// unknown).
//
const index = this._current.indirectionMap.get(v);
if (index === undefined) {
this._current.indirectionTable.push(v);
const idx = this._current.indirectionTable.length; // Position + 1 (0 is reserved for nil)
this._current.indirectionMap.set(v, idx);
this._stream.writeSize(idx);
} else {
this._stream.writeSize(index);
}
} else {
this.writeInstance(v); // Write the instance or a reference if already marshaled.
}
}
writePendingValues() {
return undefined;
}
writeException(v) {
console.assert(v !== null && v !== undefined);
v._write(this._stream);
}
startInstance(sliceType, data) {
if (this._current === null) {
this._current = new EncapsEncoder11.InstanceData(null);
} else {
this._current =
this._current.next === null ? new EncapsEncoder11.InstanceData(this._current) : this._current.next;
}
this._current.sliceType = sliceType;
this._current.firstSlice = true;
if (data !== null && data !== undefined) {
this.writeSlicedData(data);
}
}
endInstance() {
this._current = this._current.previous;
}
startSlice(typeId, compactId, last) {
console.assert(
(this._current.indirectionTable === null || this._current.indirectionTable.length === 0) &&
(this._current.indirectionMap === null || this._current.indirectionMap.size === 0),
);
this._current.sliceFlagsPos = this._stream.pos;
this._current.sliceFlags = 0;
if (this._encaps.format === FormatType.SlicedFormat) {
// Encode the slice size if using the sliced format.
this._current.sliceFlags |= Protocol.FLAG_HAS_SLICE_SIZE;
}
if (last) {
this._current.sliceFlags |= Protocol.FLAG_IS_LAST_SLICE; // This is the last slice.
}
this._stream.writeByte(0); // Placeholder for the slice flags
//
// For instance slices, encode the flag and the type ID either as a
// string or index. For exception slices, always encode the type
// ID a string.
//
if (this._current.sliceType === SliceType.ValueSlice) {
//
// Encode the type ID (only in the first slice for the compact
// encoding).
//
if (this._encaps.format === FormatType.SlicedFormat || this._current.firstSlice) {
if (compactId != -1) {
this._current.sliceFlags |= Protocol.FLAG_HAS_TYPE_ID_COMPACT;
this._stream.writeSize(compactId);
} else {
const index = this.registerTypeId(typeId);
if (index < 0) {
this._current.sliceFlags |= Protocol.FLAG_HAS_TYPE_ID_STRING;
this._stream.writeString(typeId);
} else {
this._current.sliceFlags |= Protocol.FLAG_HAS_TYPE_ID_INDEX;
this._stream.writeSize(index);
}
}
}
} else {
this._stream.writeString(typeId);
}
if ((this._current.sliceFlags & Protocol.FLAG_HAS_SLICE_SIZE) !== 0) {
this._stream.writeInt(0); // Placeholder for the slice length.
}
this._current.writeSlice = this._stream.pos;
this._current.firstSlice = false;
}
endSlice() {
//
// Write the optional member end marker if some optional members
// were encoded. Note that the optional members are encoded before
// the indirection table and are included in the slice size.
//
if ((this._current.sliceFlags & Protocol.FLAG_HAS_OPTIONAL_MEMBERS) !== 0) {
this._stream.writeByte(Protocol.OPTIONAL_END_MARKER);
}
//
// Write the slice length if necessary.
//
if ((this._current.sliceFlags & Protocol.FLAG_HAS_SLICE_SIZE) !== 0) {
const sz = this._stream.pos - this._current.writeSlice + 4;
this._stream.rewriteInt(sz, this._current.writeSlice - 4);
}
//
// Only write the indirection table if it contains entries.
//
if (this._current.indirectionTable !== null && this._current.indirectionTable.length !== 0) {
console.assert(this._encaps.format === FormatType.SlicedFormat);
this._current.sliceFlags |= Protocol.FLAG_HAS_INDIRECTION_TABLE;
//
// Write the indirection instance table.
//
this._stream.writeSize(this._current.indirectionTable.length);
this._current.indirectionTable.forEach(o => this.writeInstance(o));
this._current.indirectionTable.length = 0; // Faster way to clean array in JavaScript
this._current.indirectionMap.clear();
}
//
// Finally, update the slice flags.
//
this._stream.rewriteByte(this._current.sliceFlags, this._current.sliceFlagsPos);
}
writeOptional(tag, format) {
if (this._current === null) {
return this._stream.writeOptImpl(tag, format);
}
if (this._stream.writeOptImpl(tag, format)) {
this._current.sliceFlags |= Protocol.FLAG_HAS_OPTIONAL_MEMBERS;
return true;
}
return false;
}
writeSlicedData(slicedData) {
console.assert(slicedData !== null && slicedData !== undefined);
//
// We only marshal preserved slices if we are using the sliced
// format. Otherwise, we ignore the preserved slices, which
// essentially "slices" the instance into the most-derived type
// known by the sender.
//
if (this._encaps.format !== FormatType.SlicedFormat) {
return;
}
slicedData.slices.forEach(info => {
this.startSlice(info.typeId, info.compactId, info.isLastSlice);
//
// Write the bytes associated with this slice.
//
this._stream.writeBlob(info.bytes);
if (info.hasOptionalMembers) {
this._current.sliceFlags |= Protocol.FLAG_HAS_OPTIONAL_MEMBERS;
}
//
// Make sure to also re-write the instance indirection table.
//
if (info.instances !== null && info.instances.length > 0) {
if (this._current.indirectionTable === null) {
// Lazy initialization
this._current.indirectionTable = []; // Value[]
this._current.indirectionMap = new Map(); // Map<Value, int>
}
info.instances.forEach(instance => this._current.indirectionTable.push(instance));
}
this.endSlice();
});
}
writeInstance(v) {
console.assert(v !== null && v !== undefined);
//
// If the instance was already marshaled, just write it's ID.
//
const p = this._marshaledMap.get(v);
if (p !== undefined) {
this._stream.writeSize(p);
return;
}
//
// We haven't seen this instance previously, create a new ID,
// insert it into the marshaled map, and write the instance.
//
this._marshaledMap.set(v, ++this._valueIdIndex);
v.ice_preMarshal();
this._stream.writeSize(1); // Object instance marker.
v._iceWrite(this._stream);
}
}
EncapsEncoder11.InstanceData = class {
constructor(previous) {
console.assert(previous !== undefined);
if (previous !== null) {
previous.next = this;
}
this.previous = previous;
this.next = null;
// Instance attributes
this.sliceType = null;
this.firstSlice = false;
// Slice attributes
this.sliceFlags = 0;
this.writeSlice = 0; // Position of the slice data members
this.sliceFlagsPos = 0; // Position of the slice flags
this.indirectionTable = null; // Value[]
this.indirectionMap = null; // Map<Value, int>
}
};
export class OutputStream {
constructor(arg1, arg2) {
let instance = null;
this._encoding = null;
if (arg1 !== undefined && arg1 !== null) {
if (arg1.constructor == Communicator) {
instance = arg1.instance;
} else if (arg1.constructor == Instance) {
instance = arg1;
} else if (arg1.constructor == EncodingVersion) {
this._encoding = arg1;
if (arg2 !== null && arg2 !== undefined) {
if (arg2.constructor == FormatType) {
this._format = arg2;
} else {
throw new InitializationException("unknown argument to OutputStream constructor");
}
}
} else {
throw new InitializationException("unknown argument to OutputStream constructor");
}
}
this._buf = new Buffer();
this._closure = null;
this._encapsStack = null;
this._encapsCache = null;
if (instance !== null) {
if (this._encoding === null) {
this._encoding = instance.defaultsAndOverrides().defaultEncoding;
}
this._format = instance.defaultsAndOverrides().defaultFormat;
} else {
if (this._encoding === null) {
this._encoding = Protocol.currentEncoding;
}
this._format = FormatType.CompactFormat;
}
}
clear() {
if (this._encapsStack !== null) {
console.assert(this._encapsStack.next);
this._encapsStack.next = this._encapsCache;
this._encapsCache = this._encapsStack;
this._encapsCache.reset();
this._encapsStack = null;
}
}
finished() {
return this.prepareWrite().getArray(this.size);
}
swap(other) {
[other._buf, this._buf] = [this._buf, other._buf];
[other._encoding, this._encoding] = [this._encoding, other._encoding];
[other._closure, this._closure] = [this._closure, other._closure];
//
// Swap is never called for streams that have encapsulations being written. However,
// encapsulations might still be set in case marshaling failed. We just
// reset the encapsulations if there are still some set.
//
this.resetEncapsulation();
other.resetEncapsulation();
}
resetEncapsulation() {
this._encapsStack = null;
}
resize(sz) {
this._buf.resize(sz);
this._buf.position = sz;
}
prepareWrite() {
this._buf.position = 0;
return this._buf;
}
startValue(data) {
console.assert(this._encapsStack !== null && this._encapsStack.encoder !== null);
this._encapsStack.encoder.startInstance(SliceType.ValueSlice, data);
}
endValue() {
console.assert(this._encapsStack !== null && this._encapsStack.encoder !== null);
this._encapsStack.encoder.endInstance();
}
startException() {
console.assert(this._encapsStack !== null && this._encapsStack.encoder !== null);
this._encapsStack.encoder.startInstance(SliceType.ExceptionSlice);
}
endException() {
console.assert(this._encapsStack !== null && this._encapsStack.encoder !== null);
this._encapsStack.encoder.endInstance();
}
startEncapsulation(encoding, format) {
//
// If no encoding version is specified, use the current write
// encapsulation encoding version if there's a current write
// encapsulation, otherwise, use the stream encoding version.
//
if (encoding === undefined) {
if (this._encapsStack !== null) {
encoding = this._encapsStack.encoding;
format = this._encapsStack.format;
} else {
encoding = this._encoding;
format = null;
}
}
Protocol.checkSupportedEncoding(encoding);
let curr = this._encapsCache;
if (curr !== null) {
curr.reset();
this._encapsCache = this._encapsCache.next;
} else {
curr = new WriteEncaps();
}
curr.next = this._encapsStack;
this._encapsStack = curr;
this._encapsStack.format = format || this._format;
this._encapsStack.setEncoding(encoding);
this._encapsStack.start = this._buf.limit;
this.writeInt(0); // Placeholder for the encapsulation length.
this._encapsStack.encoding._write(this);
}
endEncapsulation() {
console.assert(this._encapsStack);
// Size includes size and version.
const start = this._encapsStack.start;
const sz = this._buf.limit - start;
this._buf.putIntAt(start, sz);
const curr = this._encapsStack;
this._encapsStack = curr.next;
curr.next = this._encapsCache;
this._encapsCache = curr;
this._encapsCache.reset();
}
writeEmptyEncapsulation(encoding) {
Protocol.checkSupportedEncoding(encoding);
this.writeInt(6); // Size
encoding._write(this);
}
writeEncapsulation(v) {
if (v.length < 6) {
throw new MarshalException(`A byte sequence with ${v.length} bytes is not a valid encapsulation.`);
}
this.expand(v.length);
this._buf.putArray(v);
}
getEncoding() {
return this._encapsStack !== null ? this._encapsStack.encoding : this._encoding;
}
startSlice(typeId, compactId, last) {
console.assert(this._encapsStack !== null && this._encapsStack.encoder !== null);
this._encapsStack.encoder.startSlice(typeId, compactId, last);
}
endSlice() {
console.assert(this._encapsStack !== null && this._encapsStack.encoder !== null);
this._encapsStack.encoder.endSlice();
}
writePendingValues() {
if (this._encapsStack !== null && this._encapsStack.encoder !== null) {
this._encapsStack.encoder.writePendingValues();
} else if (this._encapsStack !== null ? this._encapsStack.encoding_1_0 : this._encoding.equals(Encoding_1_0)) {
//
// If using the 1.0 encoding and no instances were written, we
// still write an empty sequence for pending instances if
// requested (i.e.: if this is called).
//
// This is required by the 1.0 encoding, even if no instances
// are written we do marshal an empty sequence if marshaled
// data types use classes.
//
this.writeSize(0);
}
}
writeSize(v) {
if (v > 254) {
this.expand(5);
this._buf.put(255);
this._buf.putInt(v);
} else {
this.expand(1);
this._buf.put(v);
}
}
startSize() {
const pos = this._buf.position;
this.writeInt(0); // Placeholder for 32-bit size
return pos;
}
endSize(pos) {
console.assert(pos >= 0);
this.rewriteInt(this._buf.position - pos - 4, pos);
}
writeBlob(v) {
if (v === null || v === undefined) {
return;
}
this.expand(v.length);
this._buf.putArray(v);
}
// Read/write format and tag for optionals
writeOptional(tag, format) {
console.assert(this._encapsStack !== null);
if (this._encapsStack.encoder !== null) {
return this._encapsStack.encoder.writeOptional(tag, format);
}
return this.writeOptImpl(tag, format);
}
writeOptionalHelper(tag, format, write, v) {
if (v !== undefined && v !== null) {
if (this.writeOptional(tag, format)) {
write.call(this, v);
}
}
}
writeByte(v) {
this.expand(1);
this._buf.put(v);
}
rewriteByte(v, dest) {
this._buf.putAt(dest, v);
}
writeByteSeq(v) {
if (v === null || v === undefined || v.length === 0) {
this.writeSize(0);
} else {
this.writeSize(v.length);
this.expand(v.length);
this._buf.putArray(v);
}
}
writeBool(v) {
this.expand(1);
this._buf.put(v ? 1 : 0);
}
rewriteBool(v, dest) {
this._buf.putAt(dest, v ? 1 : 0);
}
writeShort(v) {
this.expand(2);
this._buf.putShort(v);
}
writeInt(v) {
this.expand(4);
this._buf.putInt(v);
}
rewriteInt(v, dest) {
this._buf.putIntAt(dest, v);
}
writeLong(v) {
this.expand(8);
this._buf.putLong(typeof v === "number" ? BigInt(v) : v);
}
writeFloat(v) {
this.expand(4);
this._buf.putFloat(v);
}
writeDouble(v) {
this.expand(8);
this._buf.putDouble(v);
}
writeString(v) {
if (v === null || v === undefined || v.length === 0) {
this.writeSize(0);
} else {
this._buf.writeString(this, v);
}
}
writeProxy(v) {
if (v === null || v === undefined) {
const ident = new Identity();
ident._write(this);
} else {
v._write(this);
}
}
writeOptionalProxy(tag, v) {
if (v !== undefined && v !== null) {
if (this.writeOptional(tag, OptionalFormat.FSize)) {
const pos = this.startSize();
this.writeProxy(v);
this.endSize(pos);
}
}
}
writeEnum(v) {
if (this.isEncoding_1_0()) {
if (v.maxValue < 127) {
this.writeByte(v.value);
} else if (v.maxValue < 32767) {
this.writeShort(v.value);
} else {
this.writeInt(v.value);
}
} else {
this.writeSize(v.value);
}
}
writeValue(v) {
this.initEncaps();
this._encapsStack.encoder.writeValue(v);
}
writeException(e) {
this.initEncaps();
// Exceptions are always encoded with the sliced format.
this._encapsStack.format = FormatType.SlicedFormat;
this._encapsStack.encoder.writeException(e);
}
writeOptImpl(tag, format) {
if (this.isEncoding_1_0()) {
return false; // Optional members aren't supported with the 1.0 encoding.
}
let v = format.value;
if (tag < 30) {
v |= tag << 3;
this.writeByte(v);
} else {
v |= 0x0f0; // tag = 30
this.writeByte(v);
this.writeSize(tag);
}
return true;
}
isEmpty() {
return this._buf.empty();
}
expand(n) {
this._buf.expand(n);
}
isEncoding_1_0() {
return this._encapsStack ? this._encapsStack.encoding_1_0 : this._encoding.equals(Encoding_1_0);
}
initEncaps() {
if (!this._encapsStack) {
// Lazy initialization
this._encapsStack = this._encapsCache;
if (this._encapsStack) {
this._encapsCache = this._encapsCache.next;
} else {
this._encapsStack = new WriteEncaps();
}
this._encapsStack.setEncoding(this._encoding);
}
if (this._encapsStack.format === null) {
this._encapsStack.format = this._format;
}
if (!this._encapsStack.encoder) {
// Lazy initialization.
if (this._encapsStack.encoding_1_0) {
this._encapsStack.encoder = new EncapsEncoder10(this, this._encapsStack);
} else {
this._encapsStack.encoder = new EncapsEncoder11(this, this._encapsStack);
}
}
}
get pos() {
return this._buf.position;
}
set pos(value) {
this._buf.position = value;
}
get size() {
return this._buf.limit;
}
get buffer() {
return this._buf;
}
}
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