jsonbinpack
Version:
A space-efficient schema-driven binary JSON serialization format based on JSON Schema
291 lines (290 loc) • 12.5 kB
JavaScript
;
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PACKED_BOUNDED_REQUIRED_OBJECT = exports.PACKED_UNBOUNDED_OBJECT = exports.MIXED_UNBOUNDED_TYPED_OBJECT = exports.OPTIONAL_UNBOUNDED_TYPED_OBJECT = exports.REQUIRED_UNBOUNDED_TYPED_OBJECT = exports.ARBITRARY_TYPED_KEYS_OBJECT = exports.ARBITRARY_TYPED_KEYS_OBJECT_WITHOUT_LENGTH = exports.MIXED_BOUNDED_TYPED_OBJECT = exports.NON_REQUIRED_BOUNDED_TYPED_OBJECT = exports.REQUIRED_ONLY_BOUNDED_TYPED_OBJECT = void 0;
var assert_1 = require("assert");
var bitset_1 = require("./bitset");
var integer_list_1 = require("./integer-list");
var decode_1 = require("../integer/decode");
var index_1 = require("../index");
var REQUIRED_ONLY_BOUNDED_TYPED_OBJECT = function (buffer, offset, options) {
var e_1, _a, e_2, _b;
var result = {};
var booleanResult = bitset_1.bitsetDecode(buffer, offset, options.booleanRequiredProperties.length);
try {
for (var _c = __values(booleanResult.value.entries()), _d = _c.next(); !_d.done; _d = _c.next()) {
var _e = __read(_d.value, 2), index = _e[0], bit = _e[1];
Reflect.set(result, options.booleanRequiredProperties[index], bit);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
}
finally { if (e_1) throw e_1.error; }
}
var cursor = offset + booleanResult.bytes;
try {
for (var _f = __values(options.requiredProperties), _g = _f.next(); !_g.done; _g = _f.next()) {
var key = _g.value;
var encoding = options.propertyEncodings[key];
assert_1.strict(typeof encoding !== 'undefined');
var propertyResult = index_1.decode(buffer, cursor, encoding);
assert_1.strict(propertyResult.bytes >= 0);
Reflect.set(result, key, propertyResult.value);
cursor += propertyResult.bytes;
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_g && !_g.done && (_b = _f.return)) _b.call(_f);
}
finally { if (e_2) throw e_2.error; }
}
return {
value: result,
bytes: cursor - offset
};
};
exports.REQUIRED_ONLY_BOUNDED_TYPED_OBJECT = REQUIRED_ONLY_BOUNDED_TYPED_OBJECT;
var NON_REQUIRED_BOUNDED_TYPED_OBJECT = function (buffer, offset, options) {
var e_3, _a;
var bitsetLength = decode_1.FLOOR_MULTIPLE_ENUM_VARINT(buffer, offset, {
minimum: 0,
multiplier: 1
});
assert_1.strict(bitsetLength.value >= 0);
var bitsetResult = bitset_1.bitsetDecode(buffer, offset + bitsetLength.bytes, bitsetLength.value);
assert_1.strict(bitsetResult.value.length === bitsetLength.value);
var result = {};
var cursor = offset + bitsetLength.bytes + bitsetResult.bytes;
try {
for (var _b = __values(bitsetResult.value.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
var _d = __read(_c.value, 2), index = _d[0], value = _d[1];
if (!value) {
continue;
}
var key = options.optionalProperties[index];
var encoding = options.propertyEncodings[key];
assert_1.strict(typeof encoding !== 'undefined');
var propertyResult = index_1.decode(buffer, cursor, encoding);
assert_1.strict(propertyResult.bytes >= 0);
Reflect.set(result, key, propertyResult.value);
cursor += propertyResult.bytes;
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_3) throw e_3.error; }
}
return {
value: result,
bytes: cursor - offset
};
};
exports.NON_REQUIRED_BOUNDED_TYPED_OBJECT = NON_REQUIRED_BOUNDED_TYPED_OBJECT;
var MIXED_BOUNDED_TYPED_OBJECT = function (buffer, offset, options) {
var requiredResult = exports.REQUIRED_ONLY_BOUNDED_TYPED_OBJECT(buffer, offset, {
propertyEncodings: options.propertyEncodings,
requiredProperties: options.requiredProperties,
booleanRequiredProperties: options.booleanRequiredProperties
});
var optionalResult = exports.NON_REQUIRED_BOUNDED_TYPED_OBJECT(buffer, offset + requiredResult.bytes, {
propertyEncodings: options.propertyEncodings,
optionalProperties: options.optionalProperties
});
return {
bytes: requiredResult.bytes + optionalResult.bytes,
value: Object.assign(requiredResult.value, optionalResult.value)
};
};
exports.MIXED_BOUNDED_TYPED_OBJECT = MIXED_BOUNDED_TYPED_OBJECT;
var ARBITRARY_TYPED_KEYS_OBJECT_WITHOUT_LENGTH = function (buffer, offset, options) {
assert_1.strict(options.size >= 0);
var count = 0;
var cursor = offset;
var value = {};
while (count < options.size) {
var keyResult = index_1.decode(buffer, cursor, options.keyEncoding);
assert_1.strict(typeof keyResult.value === 'string');
assert_1.strict(keyResult.bytes >= 0);
cursor += keyResult.bytes;
var valueResult = index_1.decode(buffer, cursor, options.encoding);
assert_1.strict(valueResult.bytes >= 0);
cursor += valueResult.bytes;
Reflect.set(value, keyResult.value, valueResult.value);
count += 1;
}
return {
value: value,
bytes: cursor - offset
};
};
exports.ARBITRARY_TYPED_KEYS_OBJECT_WITHOUT_LENGTH = ARBITRARY_TYPED_KEYS_OBJECT_WITHOUT_LENGTH;
var ARBITRARY_TYPED_KEYS_OBJECT = function (buffer, offset, options) {
var sizeResult = decode_1.FLOOR_MULTIPLE_ENUM_VARINT(buffer, offset, {
minimum: 0,
multiplier: 1
});
var result = exports.ARBITRARY_TYPED_KEYS_OBJECT_WITHOUT_LENGTH(buffer, offset + sizeResult.bytes, {
encoding: options.encoding,
keyEncoding: options.keyEncoding,
size: sizeResult.value
});
return {
bytes: sizeResult.bytes + result.bytes,
value: result.value
};
};
exports.ARBITRARY_TYPED_KEYS_OBJECT = ARBITRARY_TYPED_KEYS_OBJECT;
var REQUIRED_UNBOUNDED_TYPED_OBJECT = function (buffer, offset, options) {
var requiredResult = exports.REQUIRED_ONLY_BOUNDED_TYPED_OBJECT(buffer, offset, {
propertyEncodings: options.propertyEncodings,
requiredProperties: options.requiredProperties,
booleanRequiredProperties: options.booleanRequiredProperties
});
var arbitraryResult = exports.ARBITRARY_TYPED_KEYS_OBJECT(buffer, offset + requiredResult.bytes, {
keyEncoding: options.keyEncoding,
encoding: options.encoding
});
return {
bytes: requiredResult.bytes + arbitraryResult.bytes,
value: Object.assign(requiredResult.value, arbitraryResult.value)
};
};
exports.REQUIRED_UNBOUNDED_TYPED_OBJECT = REQUIRED_UNBOUNDED_TYPED_OBJECT;
var OPTIONAL_UNBOUNDED_TYPED_OBJECT = function (buffer, offset, options) {
var optionalResult = exports.NON_REQUIRED_BOUNDED_TYPED_OBJECT(buffer, offset, {
propertyEncodings: options.propertyEncodings,
optionalProperties: options.optionalProperties
});
var arbitraryResult = exports.ARBITRARY_TYPED_KEYS_OBJECT(buffer, offset + optionalResult.bytes, {
keyEncoding: options.keyEncoding,
encoding: options.encoding
});
return {
bytes: optionalResult.bytes + arbitraryResult.bytes,
value: Object.assign(optionalResult.value, arbitraryResult.value)
};
};
exports.OPTIONAL_UNBOUNDED_TYPED_OBJECT = OPTIONAL_UNBOUNDED_TYPED_OBJECT;
var MIXED_UNBOUNDED_TYPED_OBJECT = function (buffer, offset, options) {
var requiredResult = exports.REQUIRED_ONLY_BOUNDED_TYPED_OBJECT(buffer, offset, {
propertyEncodings: options.propertyEncodings,
requiredProperties: options.requiredProperties,
booleanRequiredProperties: options.booleanRequiredProperties
});
var optionalResult = exports.NON_REQUIRED_BOUNDED_TYPED_OBJECT(buffer, offset + requiredResult.bytes, {
propertyEncodings: options.propertyEncodings,
optionalProperties: options.optionalProperties
});
var arbitraryResult = exports.ARBITRARY_TYPED_KEYS_OBJECT(buffer, offset + requiredResult.bytes + optionalResult.bytes, {
keyEncoding: options.keyEncoding,
encoding: options.encoding
});
return {
bytes: requiredResult.bytes + optionalResult.bytes + arbitraryResult.bytes,
value: Object.assign(requiredResult.value, optionalResult.value, arbitraryResult.value)
};
};
exports.MIXED_UNBOUNDED_TYPED_OBJECT = MIXED_UNBOUNDED_TYPED_OBJECT;
var PACKED_UNBOUNDED_OBJECT = function (buffer, offset, options) {
var e_4, _a;
var packedLength = decode_1.FLOOR_MULTIPLE_ENUM_VARINT(buffer, offset, {
minimum: 0,
multiplier: 1
});
var packedResult = integer_list_1.integerListDecode(buffer, offset + packedLength.bytes, packedLength.value, {
minimum: options.packedEncoding.options.minimum,
maximum: options.packedEncoding.options.maximum
});
var result = {};
try {
for (var _b = __values(options.packedRequiredProperties.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
var _d = __read(_c.value, 2), index = _d[0], key = _d[1];
Reflect.set(result, key, packedResult.value[index]);
}
}
catch (e_4_1) { e_4 = { error: e_4_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_4) throw e_4.error; }
}
var rest = exports.MIXED_UNBOUNDED_TYPED_OBJECT(buffer, offset + packedLength.bytes + packedResult.bytes, {
requiredProperties: options.requiredProperties,
booleanRequiredProperties: options.booleanRequiredProperties,
optionalProperties: options.optionalProperties,
keyEncoding: options.keyEncoding,
encoding: options.encoding,
propertyEncodings: options.propertyEncodings
});
return {
value: Object.assign(result, rest.value),
bytes: packedLength.bytes + packedResult.bytes + rest.bytes
};
};
exports.PACKED_UNBOUNDED_OBJECT = PACKED_UNBOUNDED_OBJECT;
var PACKED_BOUNDED_REQUIRED_OBJECT = function (buffer, offset, options) {
var e_5, _a;
var packedResult = integer_list_1.integerListDecode(buffer, offset, options.packedRequiredProperties.length, {
minimum: options.packedEncoding.options.minimum,
maximum: options.packedEncoding.options.maximum
});
var result = {};
try {
for (var _b = __values(options.packedRequiredProperties.entries()), _c = _b.next(); !_c.done; _c = _b.next()) {
var _d = __read(_c.value, 2), index = _d[0], key = _d[1];
Reflect.set(result, key, packedResult.value[index]);
}
}
catch (e_5_1) { e_5 = { error: e_5_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_5) throw e_5.error; }
}
var rest = exports.REQUIRED_ONLY_BOUNDED_TYPED_OBJECT(buffer, offset + packedResult.bytes, {
propertyEncodings: options.propertyEncodings,
requiredProperties: options.requiredProperties,
booleanRequiredProperties: options.booleanRequiredProperties
});
return {
value: Object.assign(result, rest.value),
bytes: packedResult.bytes + rest.bytes
};
};
exports.PACKED_BOUNDED_REQUIRED_OBJECT = PACKED_BOUNDED_REQUIRED_OBJECT;