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| define(["require", "exports", "../../../utils", "./enumerator", "./identifier-mapping", "./utils", "./syntax-verifier"], function (require, exports, utils_1, enumerator_1, identifier_mapping_1, utils_2, syntax_verifier_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var _PdfAbstractSyntaxElement = (function () {
function _PdfAbstractSyntaxElement() {
this._recursionCount = 0;
this._nestingRecursionLimit = 5;
this._name = '';
this._tagClass = enumerator_1._TagClassType.universal;
this._construction = enumerator_1._ConstructionType.primitive;
this._tagNumber = 0;
}
_PdfAbstractSyntaxElement.prototype._getTagNumber = function () {
return this._tagNumber;
};
_PdfAbstractSyntaxElement.prototype._setTagNumber = function (value) {
if (!Number.isSafeInteger(value) || value < 0) {
throw new Error("Tag " + value + " was not a non-negative number.");
}
this._tagNumber = value;
};
_PdfAbstractSyntaxElement.prototype._getLength = function () {
var value = this._getValue();
return value.length;
};
_PdfAbstractSyntaxElement.prototype._tagLength = function () {
var tagNumber = this._getTagNumber();
if (tagNumber < 31) {
return 1;
}
var n = tagNumber;
var i = 0;
while (n !== 0) {
n >>>= 7;
i++;
}
return i;
};
_PdfAbstractSyntaxElement.prototype._toBytes = function () {
var buffers = this._toBuffers();
var totalLength = buffers.reduce(function (sum, arr) { return sum + arr.length; }, 0);
var result = new Uint8Array(totalLength);
var offset = 0;
for (var _i = 0, buffers_1 = buffers; _i < buffers_1.length; _i++) {
var buffer = buffers_1[_i];
result.set(buffer, offset);
offset += buffer.length;
}
if (result.length >= 4 && result[0] === 48 && result[1] === 130) {
var actualContentLength = result.length - 4;
var lengthHigh = (actualContentLength >> 8) & 0xFF;
var lengthLow = actualContentLength & 0xFF;
result[2] = lengthHigh;
result[3] = lengthLow;
}
return result;
};
_PdfAbstractSyntaxElement.prototype._validateSize = function (name, units, actualSize, min, max) {
var effectiveMax = typeof max === 'undefined' ? Infinity : max;
if (actualSize < min) {
throw new Error(name + " must be at least " + min + " " + units + ", but was " + actualSize + " " + units + ".");
}
if (actualSize > effectiveMax) {
throw new Error(name + " must not exceed " + effectiveMax + " " + units + ", but was " + actualSize + " " + units + ".");
}
};
_PdfAbstractSyntaxElement.prototype._validateRange = function (name, actualValue, min, max) {
if (actualValue < min) {
throw new Error(name + " must be at least " + min + ", but was " + actualValue + ".");
}
if (typeof max !== 'undefined' && max !== null && actualValue > max) {
throw new Error(name + " must not exceed " + max + ", but was " + actualValue + ".");
}
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedString = function (min, max) {
var bitString = this._getBitString();
var ret = bitString;
this._validateSize(this._name || 'Bit string', 'bits', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedUtf8String = function (min, max) {
var utf8String = this._getUtf8String();
var ret = utf8String;
this._validateSize(this._name || 'Unicode string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedSequenceOf = function (min, max) {
var sequenceOf = this._getSequenceOf();
var ret = sequenceOf;
this._validateSize(this._name || 'Sequence of', 'elements', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedSetOf = function (min, max) {
var sequenceOf = this._getSequenceOf();
this._validateSize(this._name || 'Set of', 'elements', sequenceOf.length, min, max);
return sequenceOf;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedNumericString = function (min, max) {
var ret = this._getNumericString();
this._validateSize(this._name || 'Numeric string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedPrintableString = function (min, max) {
var ret = this._getPrintableString();
this._validateSize(this._name || 'Printable ASCII string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedTextString = function (min, max) {
var ret = this._getTeleprinterText();
this._validateSize(this._name || 'Legacy encoded string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedVideoString = function (min, max) {
var ret = this._getVideoTextInformation();
this._validateSize(this._name || 'Videotex string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedIA5String = function (min, max) {
var ret = this._getInternationalAlphabetString();
this._validateSize(this._name || 'ASCII string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedGraphicString = function (min, max) {
var ret = this._getGraphicString();
this._validateSize(this._name || 'Graphic string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedVisibleString = function (min, max) {
var ret = this._getVisibleString();
this._validateSize(this._name || 'Visible string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._sizeConstrainedUniversalString = function (min, max) {
var ret = this._getUniversalString();
this._validateSize(this._name || 'Unicode string', 'characters', ret.length, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._rangeConstrainedNumber = function (min, max) {
var ret = this._getInteger();
this._validateRange(this._name || 'Number', ret, min, max);
return ret;
};
_PdfAbstractSyntaxElement.prototype._validateTag = function (permittedClasses, permittedConstruction, permittedNumbers) {
if (permittedClasses.indexOf(this._tagClass) === -1) {
return -1;
}
else if (permittedConstruction.indexOf(this._construction) === -1) {
return -2;
}
else if (permittedNumbers.indexOf(this._getTagNumber()) === -1) {
return -3;
}
else {
return 0;
}
};
_PdfAbstractSyntaxElement.prototype._toElement = function () {
return this;
};
_PdfAbstractSyntaxElement.prototype._fromElement = function (el) {
this._tagClass = el._tagClass;
this._construction = el._construction;
var tagNumber = el._getTagNumber();
this._setTagNumber(tagNumber);
var value = el._getValue();
this._setValue(value);
};
_PdfAbstractSyntaxElement.prototype._toString = function () {
if (this._tagClass === enumerator_1._TagClassType.universal) {
var tagNumber = this._getTagNumber();
switch (tagNumber) {
case enumerator_1._UniversalType.endOfContent: return 'END-OF-CONTENT';
case enumerator_1._UniversalType.abstractSyntaxBoolean: return this._getBooleanValue() ? 'TRUE' : 'FALSE';
case enumerator_1._UniversalType.integer: return this._getInteger().toString();
case enumerator_1._UniversalType.octetString:
return "'" + Array
.from(this._getOctetString())
.map(function (byte) { return utils_1._padStart(byte.toString(16), 2, '0'); })
.join('') + "'H";
case enumerator_1._UniversalType.nullValue: return 'NULL';
case enumerator_1._UniversalType.objectIdentifier: return this._getObjectIdentifier()._getAbstractSyntaxNotation();
case enumerator_1._UniversalType.objectDescriptor: return "\"" + this._getObjectDescriptor() + "\"";
case enumerator_1._UniversalType.external: return '_PdfExternal';
case enumerator_1._UniversalType.enumerated: return this._getEnumerated().toString();
case enumerator_1._UniversalType.embeddedDataValue: return 'EMBEDDED PDV';
case enumerator_1._UniversalType.utf8String: return "\"" + this._getUtf8String() + "\"";
case enumerator_1._UniversalType.relativeObjectIdentifier: return "{ " + this._getRelativeObjectIdentifier()
.map(function (arc) { return arc.toString(); }).join('.') + " }";
case enumerator_1._UniversalType.time: return "\"" + this._getTime() + "\"";
case enumerator_1._UniversalType.sequence: return "{ " + this._getSequenceOf()
.map(function (el) { return (el.name.length ? el.name + " " + el.toString() : el.toString()); })
.join(' , ') + " }";
case enumerator_1._UniversalType.abstractSyntaxSet: return "{ " + this._getAbstractSetOf()
.map(function (el) { return (el.name.length ? el.name + " " + el.toString() : el.toString()); })
.join(' , ') + " }";
case enumerator_1._UniversalType.numericString: return "\"" + this._getNumericString() + "\"";
case enumerator_1._UniversalType.printableString: return "\"" + this._getPrintableString() + "\"";
case enumerator_1._UniversalType.teleprinterTextExchange: return 'TeletexString';
case enumerator_1._UniversalType.videoTextInformationSystem: return 'VideotexString';
case enumerator_1._UniversalType.internationalAlphabetString: return "\"" + this._getInternationalAlphabetString() + "\"";
case enumerator_1._UniversalType.characterString: return 'CHARACTER STRING';
case enumerator_1._UniversalType.date: return "\"" + this._getDate().toISOString() + "\"";
case enumerator_1._UniversalType.timeOfDay: {
var tod = this._getTimeOfDay();
return "\"" + tod.getUTCHours() + ":" + tod.getUTCMinutes() + ":" + tod.getUTCSeconds() + "\"";
}
case enumerator_1._UniversalType.dateTime: return "\"" + this._getDateTime().toISOString() + "\"";
case enumerator_1._UniversalType.objectIdResourceIdentifier: return this._getObjectIdResourceIdentifier();
case enumerator_1._UniversalType.relativeResourceIdentifier: return this._getRelativeResourceIdentifier();
default: return "[UNIV " + this._getTagNumber() + "]: " + this._getValue().toString();
}
}
else if (this._tagClass === enumerator_1._TagClassType.context) {
return "[CTXT " + this._getTagNumber() + "]: " + this._getValue().toString();
}
else if (this._tagClass === enumerator_1._TagClassType.abstractSyntaxPrivate) {
return "[PRIV " + this._getTagNumber() + "]: " + this._getValue().toString();
}
else {
return "[APPL " + this._getTagNumber() + "]: " + this._getValue().toString();
}
};
_PdfAbstractSyntaxElement.prototype._toJson = function () {
if (this._tagClass === enumerator_1._TagClassType.universal) {
switch (this._getTagNumber()) {
case enumerator_1._UniversalType.endOfContent:
return undefined;
case enumerator_1._UniversalType.abstractSyntaxBoolean:
return this._getBooleanValue();
case enumerator_1._UniversalType.integer: {
var ret = this._getInteger();
return ret;
}
case enumerator_1._UniversalType.bitString: {
var bits = this._getBitString();
return {
length: bits.length,
value: Array.from(utils_2._packBits(bits)).map(function (byte) { return byte.toString(16); }).join('')
};
}
case enumerator_1._UniversalType.octetString:
return Array.from(this._getOctetString())
.map(function (byte) { return byte.toString(16); }).join('');
case enumerator_1._UniversalType.nullValue:
return null;
case enumerator_1._UniversalType.objectIdentifier:
return this._getObjectIdentifier()._toJson();
case enumerator_1._UniversalType.objectDescriptor:
return this._getObjectDescriptor();
case enumerator_1._UniversalType.enumerated:
return this._getEnumerated().toString();
case enumerator_1._UniversalType.utf8String:
return this._getUtf8String();
case enumerator_1._UniversalType.relativeObjectIdentifier:
return this._getRelativeObjectIdentifier()
.map(function (arc) { return arc.toString(); }).join('.');
case enumerator_1._UniversalType.teleprinterTextExchange:
return String.fromCodePoint.apply(String, Array.from(this._getTeleprinterText()));
case enumerator_1._UniversalType.videoTextInformationSystem:
return String.fromCodePoint.apply(String, Array.from(this._getVideoTextInformation()));
case enumerator_1._UniversalType.graphicString:
return this._getGraphicString();
case enumerator_1._UniversalType.visibleString:
return this._getVisibleString();
case enumerator_1._UniversalType.universalString:
return this._getUniversalString();
case enumerator_1._UniversalType.bmpString:
return this._getBmpString();
case enumerator_1._UniversalType.date:
return this._getDate().toISOString();
case enumerator_1._UniversalType.timeOfDay: {
var tod = this._getTimeOfDay();
return tod.getUTCHours() + ":" + tod.getUTCMinutes() + ":" + tod.getUTCSeconds();
}
case enumerator_1._UniversalType.dateTime:
return this._getDateTime().toISOString();
case enumerator_1._UniversalType.objectIdResourceIdentifier:
return this._getObjectIdResourceIdentifier();
case enumerator_1._UniversalType.relativeResourceIdentifier:
return this._getRelativeResourceIdentifier();
default:
return undefined;
}
}
return undefined;
};
_PdfAbstractSyntaxElement.prototype._sortCanonically = function (elements) {
return elements.sort(function (a, b) {
var aClassOrder = a._tagClass;
var bClassOrder = b._tagClass;
if (aClassOrder !== bClassOrder) {
return aClassOrder - bClassOrder;
}
var aBytes = a._toBytes();
var bBytes = b._toBytes();
var minLength = Math.min(aBytes.length, bBytes.length);
for (var i = 0; i < minLength; i++) {
if (aBytes[i] !== bBytes[i]) {
return aBytes[i] - bBytes[i];
}
}
return aBytes.length - bBytes.length;
});
};
_PdfAbstractSyntaxElement.prototype._isUniquelyTagged = function (elements) {
var finds = new Set([]);
for (var i = 0; i < elements.length; i++) {
var key = ((elements[i]._tagClass << 30)
+ elements[i]._getTagNumber());
if (finds.has(key)) {
return false;
}
finds.add(key);
}
return true;
};
_PdfAbstractSyntaxElement.prototype._getInteger = function () {
if (this._construction !== enumerator_1._ConstructionType.primitive) {
throw new Error('Number cannot be constructed.');
}
var value = this._getValue();
return this._decodeInteger(value);
};
_PdfAbstractSyntaxElement.prototype._setInteger = function (value) {
this._setValue(this._encodeInteger(value));
};
_PdfAbstractSyntaxElement.prototype._getObjectIdentifier = function () {
if (this._construction !== enumerator_1._ConstructionType.primitive) {
throw new Error('Object identifier cannot be constructed.');
}
return this._decodeObjectIdentifier(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setObjectIdentifier = function (value) {
this._setValue(this._encodeObjectIdentifier(value));
};
_PdfAbstractSyntaxElement.prototype._getEnumerated = function () {
return Number(this._getInteger());
};
_PdfAbstractSyntaxElement.prototype._setEnumerated = function (value) {
this._setInteger(value);
};
_PdfAbstractSyntaxElement.prototype._getRelativeObjectIdentifier = function () {
if (this._construction !== enumerator_1._ConstructionType.primitive) {
throw new Error('Relative oid cannot be constructed.');
}
return this._decodeRelativeObjectIdentifier(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setRelativeObjectIdentifier = function (value) {
this._setValue(this._encodeRelativeObjectIdentifier(value));
};
_PdfAbstractSyntaxElement.prototype._getTime = function () {
return this._decodeTime(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setTime = function (value) {
this._setValue(this._encodeTime(value));
};
_PdfAbstractSyntaxElement.prototype._getDate = function () {
return this._decodeDate(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setDate = function (value) {
this._setValue(this._encodeDate(value));
};
_PdfAbstractSyntaxElement.prototype._getTimeOfDay = function () {
return this._decodeTimeOfDay(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setTimeOfDay = function (value) {
this._setValue(this._encodeTimeOfDay(value));
};
_PdfAbstractSyntaxElement.prototype._getDateTime = function () {
return this._decodeDateTime(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setDateTime = function (value) {
this._setValue(this._encodeDateTime(value));
};
_PdfAbstractSyntaxElement.prototype._getObjectIdResourceIdentifier = function () {
return this._decodeObjectIdResourceIdentifier(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setObjectIdResourceIdentifier = function (value) {
this._setValue(this._encodeObjectIdResourceIdentifier(value));
};
_PdfAbstractSyntaxElement.prototype._getRelativeResourceIdentifier = function () {
return this._decodeRelativeResourceIdentifier(this._getValue());
};
_PdfAbstractSyntaxElement.prototype._setRelativeResourceIdentifier = function (value) {
this._setValue(this._encodeRelativeResourceIdentifier(value));
};
_PdfAbstractSyntaxElement.prototype._encodeInteger = function (value) {
return utils_2._integerToBuffer(value);
};
_PdfAbstractSyntaxElement.prototype._decodeInteger = function (value) {
if (value.length === 0) {
throw new Error('Integer or enumeration encoded on zero bytes');
}
if (value.length > 2 && ((value[0] === 0xFF && value[1] >= 128) ||
(value[0] === 0x00 && value[1] < 128))) {
var slice = value.slice(0, 16);
var hexString = Array.from(slice)
.map(function (byte) { return utils_1._padStart(byte.toString(16), 2, '0'); })
.join('');
throw new Error('Unnecessary padding bytes on . ' +
("First 16 bytes of the offending value were: 0x" + hexString));
}
return utils_2._bufferToInteger(value);
};
_PdfAbstractSyntaxElement.prototype._encodeObjectIdentifier = function (value) {
return value._toBytes();
};
_PdfAbstractSyntaxElement.prototype._decodeObjectIdentifier = function (value) {
var oid = new identifier_mapping_1._PdfObjectIdentifier();
return oid._fromBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodeRelativeObjectIdentifier = function (value) {
var result = [];
for (var _i = 0, value_1 = value; _i < value_1.length; _i++) {
var arc = value_1[_i];
if (arc < 128) {
result.push(arc);
continue;
}
var length_1 = 0;
var tempArc = arc;
while (tempArc > 0) {
length_1++;
tempArc >>>= 7;
}
for (var j = length_1 - 1; j >= 0; j--) {
var byte = (arc >>> (j * 7)) & 0x7f;
if (j !== 0) {
byte |= 0x80;
}
result.push(byte);
}
}
return new Uint8Array(result);
};
_PdfAbstractSyntaxElement.prototype._decodeRelativeObjectIdentifier = function (value) {
if (value.length === 0) {
return [];
}
else if (value.length > 1 && (value[value.length - 1] & 128) !== 0) {
throw new Error('The relative object identifier is too long and was shortened.');
}
var nodes = [];
var currentNode = 0;
for (var i = 0; i < value.length; i++) {
var byte = value[i];
if (byte === 0x80 && currentNode === 0) {
throw new Error('The relative object identifier node has unsupported padding.');
}
currentNode <<= 7;
currentNode += (byte & 0x7f);
if ((byte & 0x80) === 0) {
nodes.push(currentNode);
currentNode = 0;
}
}
return nodes;
};
_PdfAbstractSyntaxElement.prototype._encodeTime = function (value) {
return utils_1._stringToBytes(value.replace(/,/g, '.'));
};
_PdfAbstractSyntaxElement.prototype._decodeTime = function (bytes) {
return utils_2._convertBytesToText(bytes);
};
_PdfAbstractSyntaxElement.prototype._encodeDate = function (date) {
if (date.getFullYear() < 1582 || date.getFullYear() > 9999) {
throw new Error("The Date " + date.toISOString() + " may not be encoded, because the "
+ 'year must be greater than 1581 and less than 10000.');
}
return utils_1._stringToBytes(utils_1._padStart(date.getFullYear().toString(), 4, '0') +
utils_1._padStart((date.getMonth() + 1).toString(), 2, '0') +
utils_1._padStart(date.getDate().toString(), 2, '0'));
};
_PdfAbstractSyntaxElement.prototype._decodeDate = function (bytes) {
var str = utils_2._convertBytesToText(bytes);
var year = parseInt(str.slice(0, 4), 10);
var month = parseInt(str.slice(4, 6), 10) - 1;
var day = parseInt(str.slice(6, 8), 10);
syntax_verifier_1._validateDate('DATE', year, month, day);
return new Date(year, month, day);
};
_PdfAbstractSyntaxElement.prototype._encodeTimeOfDay = function (time) {
return utils_1._stringToBytes(utils_1._padStart(time.getHours().toString(), 2, '0')
+ utils_1._padStart(time.getMinutes().toString(), 2, '0')
+ utils_1._padStart(time.getSeconds().toString(), 2, '0'));
};
_PdfAbstractSyntaxElement.prototype._decodeTimeOfDay = function (bytes) {
var str = utils_2._convertBytesToText(bytes);
var hours = parseInt(str.slice(0, 2), 10);
var minutes = parseInt(str.slice(2, 4), 10);
var seconds = parseInt(str.slice(4, 6), 10);
syntax_verifier_1._validateTime('TIME-OF-DAY', hours, minutes, seconds);
var ret = new Date();
ret.setHours(hours);
ret.setMinutes(minutes);
ret.setSeconds(seconds);
return ret;
};
_PdfAbstractSyntaxElement.prototype._decodeDateTime = function (bytes) {
var str = utils_2._convertBytesToText(bytes);
var year = parseInt(str.slice(0, 4), 10);
var month = parseInt(str.slice(4, 6), 10) - 1;
var day = parseInt(str.slice(6, 8), 10);
var hours = parseInt(str.slice(8, 10), 10);
var minutes = parseInt(str.slice(10, 12), 10);
var seconds = parseInt(str.slice(12, 14), 10);
syntax_verifier_1._validateDateTime('DATE-TIME', year, month, day, hours, minutes, seconds);
return new Date(year, month, day, hours, minutes, seconds);
};
_PdfAbstractSyntaxElement.prototype._decodeGeneralString = function (value) {
for (var i = 0; i < value.length; i++) {
var char = value[i];
if (!syntax_verifier_1._isGeneralCharacter(char)) {
throw new Error('The input must contain only standard ASCII characters.');
}
}
return utils_2._convertBytesToText(value);
};
_PdfAbstractSyntaxElement.prototype._decodeGraphicString = function (value) {
for (var i = 0; i < value.length; i++) {
var char = value[i];
if (!syntax_verifier_1._isGraphicCharacter(char)) {
throw new Error('Only standard printable ASCII characters are allowed.');
}
}
return utils_2._convertBytesToText(value);
};
_PdfAbstractSyntaxElement.prototype._decodeNumericString = function (value) {
for (var i = 0; i < value.length; i++) {
var char = value[i];
if (!syntax_verifier_1.isNumericString(char)) {
throw new Error('The input must contain only numeric characters and spaces.');
}
}
return utils_2._convertBytesToText(value);
};
_PdfAbstractSyntaxElement.prototype._decodeObjectDescriptor = function (value) {
for (var i = 0; i < value.length; i++) {
var char = value[i];
if (!syntax_verifier_1._isGraphicCharacter(char)) {
throw new Error('Only standard printable ASCII characters are allowed in the object descriptor.');
}
}
return utils_2._convertBytesToText(value);
};
_PdfAbstractSyntaxElement.prototype._decodeObjectIdResourceIdentifier = function (bytes) {
return utils_2._convertBytesToText(bytes);
};
_PdfAbstractSyntaxElement.prototype._decodeRelativeResourceIdentifier = function (bytes) {
return utils_2._convertBytesToText(bytes);
};
_PdfAbstractSyntaxElement.prototype._decodePrintableString = function (value) {
var printableStringCharacters = 'etaoinsrhdlucmfywgpbvkxqjzETAOINSRHDLUCMFYWGPBVKXQJZ' +
'0123456789 \'()+,-./:=?';
for (var i = 0; i < value.length; i++) {
var char = value[i];
if (!syntax_verifier_1._isPrintableCharacter(char)) {
throw new Error('Printable ASCII string can only contain these characters: ' +
printableStringCharacters + '. ' +
("Encountered character code " + char + "."));
}
}
return utils_2._convertBytesToText(value);
};
_PdfAbstractSyntaxElement.prototype._decodeVisibleString = function (value) {
for (var i = 0; i < value.length; i++) {
var char = value[i];
if (!syntax_verifier_1._isGraphicCharacter(char)) {
throw new Error('Visible string can only contain characters between 0x20 and 0x7E. ' +
("Encountered character code " + char + "."));
}
}
return utils_2._convertBytesToText(value);
};
_PdfAbstractSyntaxElement.prototype._encodeBitString = function (value) {
if (value.length === 0) {
return new Uint8Array([0]);
}
var byteLength = (value.length >>> 3) + (value.length % 8 !== 0 ? 1 : 0);
var result = new Uint8Array(byteLength + 1);
result[0] = 8 - (value.length % 8);
if (result[0] === 8) {
result[0] = 0;
}
result.set(utils_2._packBits(value), 1);
return result;
};
_PdfAbstractSyntaxElement.prototype._encodeBoolean = function (value) {
return new Uint8Array([(value ? 0xFF : 0x00)]);
};
_PdfAbstractSyntaxElement.prototype._encodeDateTime = function (value) {
var year = value.getFullYear();
if (year < 1582 || year > 9999) {
throw new Error('The date cannot be encoded');
}
var dateTimeString = utils_1._padStart(year.toString(), 4, '0') +
utils_1._padStart((value.getMonth() + 1).toString(), 2, '0') +
utils_1._padStart(value.getDate().toString(), 2, '0') +
utils_1._padStart(value.getHours().toString(), 2, '0') +
utils_1._padStart(value.getMinutes().toString(), 2, '0') +
utils_1._padStart(value.getSeconds().toString(), 2, '0');
return utils_1._stringToBytes(dateTimeString);
};
_PdfAbstractSyntaxElement.prototype._encodeObjectIdResourceIdentifier = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodeRelativeResourceIdentifier = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodeSequence = function (value) {
var byteArrays = value.map(function (element) { return element._toBytes(); });
var totalLength = byteArrays.reduce(function (sum, arr) { return sum + arr.length; }, 0);
var result = new Uint8Array(totalLength);
var offset = 0;
for (var _i = 0, byteArrays_1 = byteArrays; _i < byteArrays_1.length; _i++) {
var arr = byteArrays_1[_i];
result.set(arr, offset);
offset += arr.length;
}
return result;
};
_PdfAbstractSyntaxElement.prototype._encodeNumericString = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodePrintableString = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodeGraphicString = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodeVisibleString = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._encodeObjectDescriptor = function (value) {
return utils_1._stringToBytes(value);
};
_PdfAbstractSyntaxElement.prototype._toEncodedBytes = function () {
return this._toBytes();
};
return _PdfAbstractSyntaxElement;
}());
exports._PdfAbstractSyntaxElement = _PdfAbstractSyntaxElement;
});
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