/** * @licstart The following is the entire license notice for the * Javascript code in this page * * Copyright 2020 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @licend The above is the entire license notice for the * Javascript code in this page */ "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.CFFFDSelect = exports.CFFCompiler = exports.CFFPrivateDict = exports.CFFTopDict = exports.CFFCharset = exports.CFFIndex = exports.CFFStrings = exports.CFFHeader = exports.CFF = exports.CFFParser = exports.CFFStandardStrings = void 0; var _util = require("../shared/util.js"); var _charsets = require("./charsets.js"); var _encodings = require("./encodings.js"); var MAX_SUBR_NESTING = 10; var CFFStandardStrings = [".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", "zcaron", "exclamsmall", "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", "zerooldstyle", "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", "tsuperior", "ff", "ffi", "ffl", "parenleftinferior", "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", "questiondownsmall", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", "zerosuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", "centinferior", "dollarinferior", "periodinferior", "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", "Ydieresissmall", "001.000", "001.001", "001.002", "001.003", "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold"]; exports.CFFStandardStrings = CFFStandardStrings; const NUM_STANDARD_CFF_STRINGS = 391; var CFFParser = function CFFParserClosure() { var CharstringValidationData = [null, { id: "hstem", min: 2, stackClearing: true, stem: true }, null, { id: "vstem", min: 2, stackClearing: true, stem: true }, { id: "vmoveto", min: 1, stackClearing: true }, { id: "rlineto", min: 2, resetStack: true }, { id: "hlineto", min: 1, resetStack: true }, { id: "vlineto", min: 1, resetStack: true }, { id: "rrcurveto", min: 6, resetStack: true }, null, { id: "callsubr", min: 1, undefStack: true }, { id: "return", min: 0, undefStack: true }, null, null, { id: "endchar", min: 0, stackClearing: true }, null, null, null, { id: "hstemhm", min: 2, stackClearing: true, stem: true }, { id: "hintmask", min: 0, stackClearing: true }, { id: "cntrmask", min: 0, stackClearing: true }, { id: "rmoveto", min: 2, stackClearing: true }, { id: "hmoveto", min: 1, stackClearing: true }, { id: "vstemhm", min: 2, stackClearing: true, stem: true }, { id: "rcurveline", min: 8, resetStack: true }, { id: "rlinecurve", min: 8, resetStack: true }, { id: "vvcurveto", min: 4, resetStack: true }, { id: "hhcurveto", min: 4, resetStack: true }, null, { id: "callgsubr", min: 1, undefStack: true }, { id: "vhcurveto", min: 4, resetStack: true }, { id: "hvcurveto", min: 4, resetStack: true }]; var CharstringValidationData12 = [null, null, null, { id: "and", min: 2, stackDelta: -1 }, { id: "or", min: 2, stackDelta: -1 }, { id: "not", min: 1, stackDelta: 0 }, null, null, null, { id: "abs", min: 1, stackDelta: 0 }, { id: "add", min: 2, stackDelta: -1, stackFn: function stack_div(stack, index) { stack[index - 2] = stack[index - 2] + stack[index - 1]; } }, { id: "sub", min: 2, stackDelta: -1, stackFn: function stack_div(stack, index) { stack[index - 2] = stack[index - 2] - stack[index - 1]; } }, { id: "div", min: 2, stackDelta: -1, stackFn: function stack_div(stack, index) { stack[index - 2] = stack[index - 2] / stack[index - 1]; } }, null, { id: "neg", min: 1, stackDelta: 0, stackFn: function stack_div(stack, index) { stack[index - 1] = -stack[index - 1]; } }, { id: "eq", min: 2, stackDelta: -1 }, null, null, { id: "drop", min: 1, stackDelta: -1 }, null, { id: "put", min: 2, stackDelta: -2 }, { id: "get", min: 1, stackDelta: 0 }, { id: "ifelse", min: 4, stackDelta: -3 }, { id: "random", min: 0, stackDelta: 1 }, { id: "mul", min: 2, stackDelta: -1, stackFn: function stack_div(stack, index) { stack[index - 2] = stack[index - 2] * stack[index - 1]; } }, null, { id: "sqrt", min: 1, stackDelta: 0 }, { id: "dup", min: 1, stackDelta: 1 }, { id: "exch", min: 2, stackDelta: 0 }, { id: "index", min: 2, stackDelta: 0 }, { id: "roll", min: 3, stackDelta: -2 }, null, null, null, { id: "hflex", min: 7, resetStack: true }, { id: "flex", min: 13, resetStack: true }, { id: "hflex1", min: 9, resetStack: true }, { id: "flex1", min: 11, resetStack: true }]; function CFFParser(file, properties, seacAnalysisEnabled) { this.bytes = file.getBytes(); this.properties = properties; this.seacAnalysisEnabled = !!seacAnalysisEnabled; } CFFParser.prototype = { parse: function CFFParser_parse() { var properties = this.properties; var cff = new CFF(); this.cff = cff; var header = this.parseHeader(); var nameIndex = this.parseIndex(header.endPos); var topDictIndex = this.parseIndex(nameIndex.endPos); var stringIndex = this.parseIndex(topDictIndex.endPos); var globalSubrIndex = this.parseIndex(stringIndex.endPos); var topDictParsed = this.parseDict(topDictIndex.obj.get(0)); var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings); cff.header = header.obj; cff.names = this.parseNameIndex(nameIndex.obj); cff.strings = this.parseStringIndex(stringIndex.obj); cff.topDict = topDict; cff.globalSubrIndex = globalSubrIndex.obj; this.parsePrivateDict(cff.topDict); cff.isCIDFont = topDict.hasName("ROS"); var charStringOffset = topDict.getByName("CharStrings"); var charStringIndex = this.parseIndex(charStringOffset).obj; var fontMatrix = topDict.getByName("FontMatrix"); if (fontMatrix) { properties.fontMatrix = fontMatrix; } var fontBBox = topDict.getByName("FontBBox"); if (fontBBox) { properties.ascent = Math.max(fontBBox[3], fontBBox[1]); properties.descent = Math.min(fontBBox[1], fontBBox[3]); properties.ascentScaled = true; } var charset, encoding; if (cff.isCIDFont) { var fdArrayIndex = this.parseIndex(topDict.getByName("FDArray")).obj; for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) { var dictRaw = fdArrayIndex.get(i); var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings); this.parsePrivateDict(fontDict); cff.fdArray.push(fontDict); } encoding = null; charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, true); cff.fdSelect = this.parseFDSelect(topDict.getByName("FDSelect"), charStringIndex.count); } else { charset = this.parseCharsets(topDict.getByName("charset"), charStringIndex.count, cff.strings, false); encoding = this.parseEncoding(topDict.getByName("Encoding"), properties, cff.strings, charset.charset); } cff.charset = charset; cff.encoding = encoding; var charStringsAndSeacs = this.parseCharStrings({ charStrings: charStringIndex, localSubrIndex: topDict.privateDict.subrsIndex, globalSubrIndex: globalSubrIndex.obj, fdSelect: cff.fdSelect, fdArray: cff.fdArray, privateDict: topDict.privateDict }); cff.charStrings = charStringsAndSeacs.charStrings; cff.seacs = charStringsAndSeacs.seacs; cff.widths = charStringsAndSeacs.widths; return cff; }, parseHeader: function CFFParser_parseHeader() { var bytes = this.bytes; var bytesLength = bytes.length; var offset = 0; while (offset < bytesLength && bytes[offset] !== 1) { ++offset; } if (offset >= bytesLength) { throw new _util.FormatError("Invalid CFF header"); } if (offset !== 0) { (0, _util.info)("cff data is shifted"); bytes = bytes.subarray(offset); this.bytes = bytes; } var major = bytes[0]; var minor = bytes[1]; var hdrSize = bytes[2]; var offSize = bytes[3]; var header = new CFFHeader(major, minor, hdrSize, offSize); return { obj: header, endPos: hdrSize }; }, parseDict: function CFFParser_parseDict(dict) { var pos = 0; function parseOperand() { var value = dict[pos++]; if (value === 30) { return parseFloatOperand(); } else if (value === 28) { value = dict[pos++]; value = (value << 24 | dict[pos++] << 16) >> 16; return value; } else if (value === 29) { value = dict[pos++]; value = value << 8 | dict[pos++]; value = value << 8 | dict[pos++]; value = value << 8 | dict[pos++]; return value; } else if (value >= 32 && value <= 246) { return value - 139; } else if (value >= 247 && value <= 250) { return (value - 247) * 256 + dict[pos++] + 108; } else if (value >= 251 && value <= 254) { return -((value - 251) * 256) - dict[pos++] - 108; } (0, _util.warn)('CFFParser_parseDict: "' + value + '" is a reserved command.'); return NaN; } function parseFloatOperand() { var str = ""; var eof = 15; const lookup = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "E", "E-", null, "-"]; var length = dict.length; while (pos < length) { var b = dict[pos++]; var b1 = b >> 4; var b2 = b & 15; if (b1 === eof) { break; } str += lookup[b1]; if (b2 === eof) { break; } str += lookup[b2]; } return parseFloat(str); } var operands = []; var entries = []; pos = 0; var end = dict.length; while (pos < end) { var b = dict[pos]; if (b <= 21) { if (b === 12) { b = b << 8 | dict[++pos]; } entries.push([b, operands]); operands = []; ++pos; } else { operands.push(parseOperand()); } } return entries; }, parseIndex: function CFFParser_parseIndex(pos) { var cffIndex = new CFFIndex(); var bytes = this.bytes; var count = bytes[pos++] << 8 | bytes[pos++]; var offsets = []; var end = pos; var i, ii; if (count !== 0) { var offsetSize = bytes[pos++]; var startPos = pos + (count + 1) * offsetSize - 1; for (i = 0, ii = count + 1; i < ii; ++i) { var offset = 0; for (var j = 0; j < offsetSize; ++j) { offset <<= 8; offset += bytes[pos++]; } offsets.push(startPos + offset); } end = offsets[count]; } for (i = 0, ii = offsets.length - 1; i < ii; ++i) { var offsetStart = offsets[i]; var offsetEnd = offsets[i + 1]; cffIndex.add(bytes.subarray(offsetStart, offsetEnd)); } return { obj: cffIndex, endPos: end }; }, parseNameIndex: function CFFParser_parseNameIndex(index) { var names = []; for (var i = 0, ii = index.count; i < ii; ++i) { var name = index.get(i); names.push((0, _util.bytesToString)(name)); } return names; }, parseStringIndex: function CFFParser_parseStringIndex(index) { var strings = new CFFStrings(); for (var i = 0, ii = index.count; i < ii; ++i) { var data = index.get(i); strings.add((0, _util.bytesToString)(data)); } return strings; }, createDict: function CFFParser_createDict(Type, dict, strings) { var cffDict = new Type(strings); for (var i = 0, ii = dict.length; i < ii; ++i) { var pair = dict[i]; var key = pair[0]; var value = pair[1]; cffDict.setByKey(key, value); } return cffDict; }, parseCharString: function CFFParser_parseCharString(state, data, localSubrIndex, globalSubrIndex) { if (!data || state.callDepth > MAX_SUBR_NESTING) { return false; } var stackSize = state.stackSize; var stack = state.stack; var length = data.length; for (var j = 0; j < length;) { var value = data[j++]; var validationCommand = null; if (value === 12) { var q = data[j++]; if (q === 0) { data[j - 2] = 139; data[j - 1] = 22; stackSize = 0; } else { validationCommand = CharstringValidationData12[q]; } } else if (value === 28) { stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16; j += 2; stackSize++; } else if (value === 14) { if (stackSize >= 4) { stackSize -= 4; if (this.seacAnalysisEnabled) { state.seac = stack.slice(stackSize, stackSize + 4); return false; } } validationCommand = CharstringValidationData[value]; } else if (value >= 32 && value <= 246) { stack[stackSize] = value - 139; stackSize++; } else if (value >= 247 && value <= 254) { stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108; j++; stackSize++; } else if (value === 255) { stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536; j += 4; stackSize++; } else if (value === 19 || value === 20) { state.hints += stackSize >> 1; j += state.hints + 7 >> 3; stackSize %= 2; validationCommand = CharstringValidationData[value]; } else if (value === 10 || value === 29) { var subrsIndex; if (value === 10) { subrsIndex = localSubrIndex; } else { subrsIndex = globalSubrIndex; } if (!subrsIndex) { validationCommand = CharstringValidationData[value]; (0, _util.warn)("Missing subrsIndex for " + validationCommand.id); return false; } var bias = 32768; if (subrsIndex.count < 1240) { bias = 107; } else if (subrsIndex.count < 33900) { bias = 1131; } var subrNumber = stack[--stackSize] + bias; if (subrNumber < 0 || subrNumber >= subrsIndex.count || isNaN(subrNumber)) { validationCommand = CharstringValidationData[value]; (0, _util.warn)("Out of bounds subrIndex for " + validationCommand.id); return false; } state.stackSize = stackSize; state.callDepth++; var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex); if (!valid) { return false; } state.callDepth--; stackSize = state.stackSize; continue; } else if (value === 11) { state.stackSize = stackSize; return true; } else { validationCommand = CharstringValidationData[value]; } if (validationCommand) { if (validationCommand.stem) { state.hints += stackSize >> 1; if (value === 3 || value === 23) { state.hasVStems = true; } else if (state.hasVStems && (value === 1 || value === 18)) { (0, _util.warn)("CFF stem hints are in wrong order"); data[j - 1] = value === 1 ? 3 : 23; } } if ("min" in validationCommand) { if (!state.undefStack && stackSize < validationCommand.min) { (0, _util.warn)("Not enough parameters for " + validationCommand.id + "; actual: " + stackSize + ", expected: " + validationCommand.min); return false; } } if (state.firstStackClearing && validationCommand.stackClearing) { state.firstStackClearing = false; stackSize -= validationCommand.min; if (stackSize >= 2 && validationCommand.stem) { stackSize %= 2; } else if (stackSize > 1) { (0, _util.warn)("Found too many parameters for stack-clearing command"); } if (stackSize > 0 && stack[stackSize - 1] >= 0) { state.width = stack[stackSize - 1]; } } if ("stackDelta" in validationCommand) { if ("stackFn" in validationCommand) { validationCommand.stackFn(stack, stackSize); } stackSize += validationCommand.stackDelta; } else if (validationCommand.stackClearing) { stackSize = 0; } else if (validationCommand.resetStack) { stackSize = 0; state.undefStack = false; } else if (validationCommand.undefStack) { stackSize = 0; state.undefStack = true; state.firstStackClearing = false; } } } state.stackSize = stackSize; return true; }, parseCharStrings({ charStrings, localSubrIndex, globalSubrIndex, fdSelect, fdArray, privateDict }) { var seacs = []; var widths = []; var count = charStrings.count; for (var i = 0; i < count; i++) { var charstring = charStrings.get(i); var state = { callDepth: 0, stackSize: 0, stack: [], undefStack: true, hints: 0, firstStackClearing: true, seac: null, width: null, hasVStems: false }; var valid = true; var localSubrToUse = null; var privateDictToUse = privateDict; if (fdSelect && fdArray.length) { var fdIndex = fdSelect.getFDIndex(i); if (fdIndex === -1) { (0, _util.warn)("Glyph index is not in fd select."); valid = false; } if (fdIndex >= fdArray.length) { (0, _util.warn)("Invalid fd index for glyph index."); valid = false; } if (valid) { privateDictToUse = fdArray[fdIndex].privateDict; localSubrToUse = privateDictToUse.subrsIndex; } } else if (localSubrIndex) { localSubrToUse = localSubrIndex; } if (valid) { valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex); } if (state.width !== null) { const nominalWidth = privateDictToUse.getByName("nominalWidthX"); widths[i] = nominalWidth + state.width; } else { const defaultWidth = privateDictToUse.getByName("defaultWidthX"); widths[i] = defaultWidth; } if (state.seac !== null) { seacs[i] = state.seac; } if (!valid) { charStrings.set(i, new Uint8Array([14])); } } return { charStrings, seacs, widths }; }, emptyPrivateDictionary: function CFFParser_emptyPrivateDictionary(parentDict) { var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings); parentDict.setByKey(18, [0, 0]); parentDict.privateDict = privateDict; }, parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) { if (!parentDict.hasName("Private")) { this.emptyPrivateDictionary(parentDict); return; } var privateOffset = parentDict.getByName("Private"); if (!Array.isArray(privateOffset) || privateOffset.length !== 2) { parentDict.removeByName("Private"); return; } var size = privateOffset[0]; var offset = privateOffset[1]; if (size === 0 || offset >= this.bytes.length) { this.emptyPrivateDictionary(parentDict); return; } var privateDictEnd = offset + size; var dictData = this.bytes.subarray(offset, privateDictEnd); var dict = this.parseDict(dictData); var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings); parentDict.privateDict = privateDict; if (!privateDict.getByName("Subrs")) { return; } var subrsOffset = privateDict.getByName("Subrs"); var relativeOffset = offset + subrsOffset; if (subrsOffset === 0 || relativeOffset >= this.bytes.length) { this.emptyPrivateDictionary(parentDict); return; } var subrsIndex = this.parseIndex(relativeOffset); privateDict.subrsIndex = subrsIndex.obj; }, parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) { if (pos === 0) { return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, _charsets.ISOAdobeCharset); } else if (pos === 1) { return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, _charsets.ExpertCharset); } else if (pos === 2) { return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, _charsets.ExpertSubsetCharset); } var bytes = this.bytes; var start = pos; var format = bytes[pos++]; const charset = [cid ? 0 : ".notdef"]; var id, count, i; length -= 1; switch (format) { case 0: for (i = 0; i < length; i++) { id = bytes[pos++] << 8 | bytes[pos++]; charset.push(cid ? id : strings.get(id)); } break; case 1: while (charset.length <= length) { id = bytes[pos++] << 8 | bytes[pos++]; count = bytes[pos++]; for (i = 0; i <= count; i++) { charset.push(cid ? id++ : strings.get(id++)); } } break; case 2: while (charset.length <= length) { id = bytes[pos++] << 8 | bytes[pos++]; count = bytes[pos++] << 8 | bytes[pos++]; for (i = 0; i <= count; i++) { charset.push(cid ? id++ : strings.get(id++)); } } break; default: throw new _util.FormatError("Unknown charset format"); } var end = pos; var raw = bytes.subarray(start, end); return new CFFCharset(false, format, charset, raw); }, parseEncoding: function CFFParser_parseEncoding(pos, properties, strings, charset) { var encoding = Object.create(null); var bytes = this.bytes; var predefined = false; var format, i, ii; var raw = null; function readSupplement() { var supplementsCount = bytes[pos++]; for (i = 0; i < supplementsCount; i++) { var code = bytes[pos++]; var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff); encoding[code] = charset.indexOf(strings.get(sid)); } } if (pos === 0 || pos === 1) { predefined = true; format = pos; var baseEncoding = pos ? _encodings.ExpertEncoding : _encodings.StandardEncoding; for (i = 0, ii = charset.length; i < ii; i++) { var index = baseEncoding.indexOf(charset[i]); if (index !== -1) { encoding[index] = i; } } } else { var dataStart = pos; format = bytes[pos++]; switch (format & 0x7f) { case 0: var glyphsCount = bytes[pos++]; for (i = 1; i <= glyphsCount; i++) { encoding[bytes[pos++]] = i; } break; case 1: var rangesCount = bytes[pos++]; var gid = 1; for (i = 0; i < rangesCount; i++) { var start = bytes[pos++]; var left = bytes[pos++]; for (var j = start; j <= start + left; j++) { encoding[j] = gid++; } } break; default: throw new _util.FormatError(`Unknown encoding format: ${format} in CFF`); } var dataEnd = pos; if (format & 0x80) { bytes[dataStart] &= 0x7f; readSupplement(); } raw = bytes.subarray(dataStart, dataEnd); } format = format & 0x7f; return new CFFEncoding(predefined, format, encoding, raw); }, parseFDSelect: function CFFParser_parseFDSelect(pos, length) { var bytes = this.bytes; var format = bytes[pos++]; var fdSelect = []; var i; switch (format) { case 0: for (i = 0; i < length; ++i) { var id = bytes[pos++]; fdSelect.push(id); } break; case 3: var rangesCount = bytes[pos++] << 8 | bytes[pos++]; for (i = 0; i < rangesCount; ++i) { var first = bytes[pos++] << 8 | bytes[pos++]; if (i === 0 && first !== 0) { (0, _util.warn)("parseFDSelect: The first range must have a first GID of 0" + " -- trying to recover."); first = 0; } var fdIndex = bytes[pos++]; var next = bytes[pos] << 8 | bytes[pos + 1]; for (var j = first; j < next; ++j) { fdSelect.push(fdIndex); } } pos += 2; break; default: throw new _util.FormatError(`parseFDSelect: Unknown format "${format}".`); } if (fdSelect.length !== length) { throw new _util.FormatError("parseFDSelect: Invalid font data."); } return new CFFFDSelect(format, fdSelect); } }; return CFFParser; }(); exports.CFFParser = CFFParser; var CFF = function CFFClosure() { function CFF() { this.header = null; this.names = []; this.topDict = null; this.strings = new CFFStrings(); this.globalSubrIndex = null; this.encoding = null; this.charset = null; this.charStrings = null; this.fdArray = []; this.fdSelect = null; this.isCIDFont = false; } CFF.prototype = { duplicateFirstGlyph: function CFF_duplicateFirstGlyph() { if (this.charStrings.count >= 65535) { (0, _util.warn)("Not enough space in charstrings to duplicate first glyph."); return; } var glyphZero = this.charStrings.get(0); this.charStrings.add(glyphZero); if (this.isCIDFont) { this.fdSelect.fdSelect.push(this.fdSelect.fdSelect[0]); } }, hasGlyphId: function CFF_hasGlyphID(id) { if (id < 0 || id >= this.charStrings.count) { return false; } var glyph = this.charStrings.get(id); return glyph.length > 0; } }; return CFF; }(); exports.CFF = CFF; var CFFHeader = function CFFHeaderClosure() { function CFFHeader(major, minor, hdrSize, offSize) { this.major = major; this.minor = minor; this.hdrSize = hdrSize; this.offSize = offSize; } return CFFHeader; }(); exports.CFFHeader = CFFHeader; var CFFStrings = function CFFStringsClosure() { function CFFStrings() { this.strings = []; } CFFStrings.prototype = { get: function CFFStrings_get(index) { if (index >= 0 && index <= NUM_STANDARD_CFF_STRINGS - 1) { return CFFStandardStrings[index]; } if (index - NUM_STANDARD_CFF_STRINGS <= this.strings.length) { return this.strings[index - NUM_STANDARD_CFF_STRINGS]; } return CFFStandardStrings[0]; }, getSID: function CFFStrings_getSID(str) { let index = CFFStandardStrings.indexOf(str); if (index !== -1) { return index; } index = this.strings.indexOf(str); if (index !== -1) { return index + NUM_STANDARD_CFF_STRINGS; } return -1; }, add: function CFFStrings_add(value) { this.strings.push(value); }, get count() { return this.strings.length; } }; return CFFStrings; }(); exports.CFFStrings = CFFStrings; var CFFIndex = function CFFIndexClosure() { function CFFIndex() { this.objects = []; this.length = 0; } CFFIndex.prototype = { add: function CFFIndex_add(data) { this.length += data.length; this.objects.push(data); }, set: function CFFIndex_set(index, data) { this.length += data.length - this.objects[index].length; this.objects[index] = data; }, get: function CFFIndex_get(index) { return this.objects[index]; }, get count() { return this.objects.length; } }; return CFFIndex; }(); exports.CFFIndex = CFFIndex; var CFFDict = function CFFDictClosure() { function CFFDict(tables, strings) { this.keyToNameMap = tables.keyToNameMap; this.nameToKeyMap = tables.nameToKeyMap; this.defaults = tables.defaults; this.types = tables.types; this.opcodes = tables.opcodes; this.order = tables.order; this.strings = strings; this.values = Object.create(null); } CFFDict.prototype = { setByKey: function CFFDict_setByKey(key, value) { if (!(key in this.keyToNameMap)) { return false; } var valueLength = value.length; if (valueLength === 0) { return true; } for (var i = 0; i < valueLength; i++) { if (isNaN(value[i])) { (0, _util.warn)('Invalid CFFDict value: "' + value + '" for key "' + key + '".'); return true; } } var type = this.types[key]; if (type === "num" || type === "sid" || type === "offset") { value = value[0]; } this.values[key] = value; return true; }, setByName: function CFFDict_setByName(name, value) { if (!(name in this.nameToKeyMap)) { throw new _util.FormatError(`Invalid dictionary name "${name}"`); } this.values[this.nameToKeyMap[name]] = value; }, hasName: function CFFDict_hasName(name) { return this.nameToKeyMap[name] in this.values; }, getByName: function CFFDict_getByName(name) { if (!(name in this.nameToKeyMap)) { throw new _util.FormatError(`Invalid dictionary name ${name}"`); } var key = this.nameToKeyMap[name]; if (!(key in this.values)) { return this.defaults[key]; } return this.values[key]; }, removeByName: function CFFDict_removeByName(name) { delete this.values[this.nameToKeyMap[name]]; } }; CFFDict.createTables = function CFFDict_createTables(layout) { var tables = { keyToNameMap: {}, nameToKeyMap: {}, defaults: {}, types: {}, opcodes: {}, order: [] }; for (var i = 0, ii = layout.length; i < ii; ++i) { var entry = layout[i]; var key = Array.isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0]; tables.keyToNameMap[key] = entry[1]; tables.nameToKeyMap[entry[1]] = key; tables.types[key] = entry[2]; tables.defaults[key] = entry[3]; tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]]; tables.order.push(key); } return tables; }; return CFFDict; }(); var CFFTopDict = function CFFTopDictClosure() { var layout = [[[12, 30], "ROS", ["sid", "sid", "num"], null], [[12, 20], "SyntheticBase", "num", null], [0, "version", "sid", null], [1, "Notice", "sid", null], [[12, 0], "Copyright", "sid", null], [2, "FullName", "sid", null], [3, "FamilyName", "sid", null], [4, "Weight", "sid", null], [[12, 1], "isFixedPitch", "num", 0], [[12, 2], "ItalicAngle", "num", 0], [[12, 3], "UnderlinePosition", "num", -100], [[12, 4], "UnderlineThickness", "num", 50], [[12, 5], "PaintType", "num", 0], [[12, 6], "CharstringType", "num", 2], [[12, 7], "FontMatrix", ["num", "num", "num", "num", "num", "num"], [0.001, 0, 0, 0.001, 0, 0]], [13, "UniqueID", "num", null], [5, "FontBBox", ["num", "num", "num", "num"], [0, 0, 0, 0]], [[12, 8], "StrokeWidth", "num", 0], [14, "XUID", "array", null], [15, "charset", "offset", 0], [16, "Encoding", "offset", 0], [17, "CharStrings", "offset", 0], [18, "Private", ["offset", "offset"], null], [[12, 21], "PostScript", "sid", null], [[12, 22], "BaseFontName", "sid", null], [[12, 23], "BaseFontBlend", "delta", null], [[12, 31], "CIDFontVersion", "num", 0], [[12, 32], "CIDFontRevision", "num", 0], [[12, 33], "CIDFontType", "num", 0], [[12, 34], "CIDCount", "num", 8720], [[12, 35], "UIDBase", "num", null], [[12, 37], "FDSelect", "offset", null], [[12, 36], "FDArray", "offset", null], [[12, 38], "FontName", "sid", null]]; var tables = null; function CFFTopDict(strings) { if (tables === null) { tables = CFFDict.createTables(layout); } CFFDict.call(this, tables, strings); this.privateDict = null; } CFFTopDict.prototype = Object.create(CFFDict.prototype); return CFFTopDict; }(); exports.CFFTopDict = CFFTopDict; var CFFPrivateDict = function CFFPrivateDictClosure() { var layout = [[6, "BlueValues", "delta", null], [7, "OtherBlues", "delta", null], [8, "FamilyBlues", "delta", null], [9, "FamilyOtherBlues", "delta", null], [[12, 9], "BlueScale", "num", 0.039625], [[12, 10], "BlueShift", "num", 7], [[12, 11], "BlueFuzz", "num", 1], [10, "StdHW", "num", null], [11, "StdVW", "num", null], [[12, 12], "StemSnapH", "delta", null], [[12, 13], "StemSnapV", "delta", null], [[12, 14], "ForceBold", "num", 0], [[12, 17], "LanguageGroup", "num", 0], [[12, 18], "ExpansionFactor", "num", 0.06], [[12, 19], "initialRandomSeed", "num", 0], [20, "defaultWidthX", "num", 0], [21, "nominalWidthX", "num", 0], [19, "Subrs", "offset", null]]; var tables = null; function CFFPrivateDict(strings) { if (tables === null) { tables = CFFDict.createTables(layout); } CFFDict.call(this, tables, strings); this.subrsIndex = null; } CFFPrivateDict.prototype = Object.create(CFFDict.prototype); return CFFPrivateDict; }(); exports.CFFPrivateDict = CFFPrivateDict; var CFFCharsetPredefinedTypes = { ISO_ADOBE: 0, EXPERT: 1, EXPERT_SUBSET: 2 }; var CFFCharset = function CFFCharsetClosure() { function CFFCharset(predefined, format, charset, raw) { this.predefined = predefined; this.format = format; this.charset = charset; this.raw = raw; } return CFFCharset; }(); exports.CFFCharset = CFFCharset; var CFFEncoding = function CFFEncodingClosure() { function CFFEncoding(predefined, format, encoding, raw) { this.predefined = predefined; this.format = format; this.encoding = encoding; this.raw = raw; } return CFFEncoding; }(); var CFFFDSelect = function CFFFDSelectClosure() { function CFFFDSelect(format, fdSelect) { this.format = format; this.fdSelect = fdSelect; } CFFFDSelect.prototype = { getFDIndex: function CFFFDSelect_get(glyphIndex) { if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) { return -1; } return this.fdSelect[glyphIndex]; } }; return CFFFDSelect; }(); exports.CFFFDSelect = CFFFDSelect; var CFFOffsetTracker = function CFFOffsetTrackerClosure() { function CFFOffsetTracker() { this.offsets = Object.create(null); } CFFOffsetTracker.prototype = { isTracking: function CFFOffsetTracker_isTracking(key) { return key in this.offsets; }, track: function CFFOffsetTracker_track(key, location) { if (key in this.offsets) { throw new _util.FormatError(`Already tracking location of ${key}`); } this.offsets[key] = location; }, offset: function CFFOffsetTracker_offset(value) { for (var key in this.offsets) { this.offsets[key] += value; } }, setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, values, output) { if (!(key in this.offsets)) { throw new _util.FormatError(`Not tracking location of ${key}`); } var data = output.data; var dataOffset = this.offsets[key]; var size = 5; for (var i = 0, ii = values.length; i < ii; ++i) { var offset0 = i * size + dataOffset; var offset1 = offset0 + 1; var offset2 = offset0 + 2; var offset3 = offset0 + 3; var offset4 = offset0 + 4; if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) { throw new _util.FormatError("writing to an offset that is not empty"); } var value = values[i]; data[offset0] = 0x1d; data[offset1] = value >> 24 & 0xff; data[offset2] = value >> 16 & 0xff; data[offset3] = value >> 8 & 0xff; data[offset4] = value & 0xff; } } }; return CFFOffsetTracker; }(); var CFFCompiler = function CFFCompilerClosure() { function CFFCompiler(cff) { this.cff = cff; } CFFCompiler.prototype = { compile: function CFFCompiler_compile() { var cff = this.cff; var output = { data: [], length: 0, add: function CFFCompiler_add(data) { this.data = this.data.concat(data); this.length = this.data.length; } }; var header = this.compileHeader(cff.header); output.add(header); var nameIndex = this.compileNameIndex(cff.names); output.add(nameIndex); if (cff.isCIDFont) { if (cff.topDict.hasName("FontMatrix")) { var base = cff.topDict.getByName("FontMatrix"); cff.topDict.removeByName("FontMatrix"); for (var i = 0, ii = cff.fdArray.length; i < ii; i++) { var subDict = cff.fdArray[i]; var matrix = base.slice(0); if (subDict.hasName("FontMatrix")) { matrix = _util.Util.transform(matrix, subDict.getByName("FontMatrix")); } subDict.setByName("FontMatrix", matrix); } } } cff.topDict.setByName("charset", 0); var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont); output.add(compiled.output); var topDictTracker = compiled.trackers[0]; var stringIndex = this.compileStringIndex(cff.strings.strings); output.add(stringIndex); var globalSubrIndex = this.compileIndex(cff.globalSubrIndex); output.add(globalSubrIndex); if (cff.encoding && cff.topDict.hasName("Encoding")) { if (cff.encoding.predefined) { topDictTracker.setEntryLocation("Encoding", [cff.encoding.format], output); } else { var encoding = this.compileEncoding(cff.encoding); topDictTracker.setEntryLocation("Encoding", [output.length], output); output.add(encoding); } } var charset = this.compileCharset(cff.charset, cff.charStrings.count, cff.strings, cff.isCIDFont); topDictTracker.setEntryLocation("charset", [output.length], output); output.add(charset); var charStrings = this.compileCharStrings(cff.charStrings); topDictTracker.setEntryLocation("CharStrings", [output.length], output); output.add(charStrings); if (cff.isCIDFont) { topDictTracker.setEntryLocation("FDSelect", [output.length], output); var fdSelect = this.compileFDSelect(cff.fdSelect); output.add(fdSelect); compiled = this.compileTopDicts(cff.fdArray, output.length, true); topDictTracker.setEntryLocation("FDArray", [output.length], output); output.add(compiled.output); var fontDictTrackers = compiled.trackers; this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output); } this.compilePrivateDicts([cff.topDict], [topDictTracker], output); output.add([0]); return output.data; }, encodeNumber: function CFFCompiler_encodeNumber(value) { if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) { return this.encodeInteger(value); } return this.encodeFloat(value); }, encodeFloat: function CFFCompiler_encodeFloat(num) { var value = num.toString(); var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value); if (m) { var epsilon = parseFloat("1e" + ((m[2] ? +m[2] : 0) + m[1].length)); value = (Math.round(num * epsilon) / epsilon).toString(); } var nibbles = ""; var i, ii; for (i = 0, ii = value.length; i < ii; ++i) { var a = value[i]; if (a === "e") { nibbles += value[++i] === "-" ? "c" : "b"; } else if (a === ".") { nibbles += "a"; } else if (a === "-") { nibbles += "e"; } else { nibbles += a; } } nibbles += nibbles.length & 1 ? "f" : "ff"; var out = [30]; for (i = 0, ii = nibbles.length; i < ii; i += 2) { out.push(parseInt(nibbles.substring(i, i + 2), 16)); } return out; }, encodeInteger: function CFFCompiler_encodeInteger(value) { var code; if (value >= -107 && value <= 107) { code = [value + 139]; } else if (value >= 108 && value <= 1131) { value = value - 108; code = [(value >> 8) + 247, value & 0xff]; } else if (value >= -1131 && value <= -108) { value = -value - 108; code = [(value >> 8) + 251, value & 0xff]; } else if (value >= -32768 && value <= 32767) { code = [0x1c, value >> 8 & 0xff, value & 0xff]; } else { code = [0x1d, value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff]; } return code; }, compileHeader: function CFFCompiler_compileHeader(header) { return [header.major, header.minor, header.hdrSize, header.offSize]; }, compileNameIndex: function CFFCompiler_compileNameIndex(names) { var nameIndex = new CFFIndex(); for (var i = 0, ii = names.length; i < ii; ++i) { var name = names[i]; var length = Math.min(name.length, 127); var sanitizedName = new Array(length); for (var j = 0; j < length; j++) { var char = name[j]; if (char < "!" || char > "~" || char === "[" || char === "]" || char === "(" || char === ")" || char === "{" || char === "}" || char === "<" || char === ">" || char === "/" || char === "%") { char = "_"; } sanitizedName[j] = char; } sanitizedName = sanitizedName.join(""); if (sanitizedName === "") { sanitizedName = "Bad_Font_Name"; } nameIndex.add((0, _util.stringToBytes)(sanitizedName)); } return this.compileIndex(nameIndex); }, compileTopDicts: function CFFCompiler_compileTopDicts(dicts, length, removeCidKeys) { var fontDictTrackers = []; var fdArrayIndex = new CFFIndex(); for (var i = 0, ii = dicts.length; i < ii; ++i) { var fontDict = dicts[i]; if (removeCidKeys) { fontDict.removeByName("CIDFontVersion"); fontDict.removeByName("CIDFontRevision"); fontDict.removeByName("CIDFontType"); fontDict.removeByName("CIDCount"); fontDict.removeByName("UIDBase"); } var fontDictTracker = new CFFOffsetTracker(); var fontDictData = this.compileDict(fontDict, fontDictTracker); fontDictTrackers.push(fontDictTracker); fdArrayIndex.add(fontDictData); fontDictTracker.offset(length); } fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers); return { trackers: fontDictTrackers, output: fdArrayIndex }; }, compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, trackers, output) { for (var i = 0, ii = dicts.length; i < ii; ++i) { var fontDict = dicts[i]; var privateDict = fontDict.privateDict; if (!privateDict || !fontDict.hasName("Private")) { throw new _util.FormatError("There must be a private dictionary."); } var privateDictTracker = new CFFOffsetTracker(); var privateDictData = this.compileDict(privateDict, privateDictTracker); var outputLength = output.length; privateDictTracker.offset(outputLength); if (!privateDictData.length) { outputLength = 0; } trackers[i].setEntryLocation("Private", [privateDictData.length, outputLength], output); output.add(privateDictData); if (privateDict.subrsIndex && privateDict.hasName("Subrs")) { var subrs = this.compileIndex(privateDict.subrsIndex); privateDictTracker.setEntryLocation("Subrs", [privateDictData.length], output); output.add(subrs); } } }, compileDict: function CFFCompiler_compileDict(dict, offsetTracker) { var out = []; var order = dict.order; for (var i = 0; i < order.length; ++i) { var key = order[i]; if (!(key in dict.values)) { continue; } var values = dict.values[key]; var types = dict.types[key]; if (!Array.isArray(types)) { types = [types]; } if (!Array.isArray(values)) { values = [values]; } if (values.length === 0) { continue; } for (var j = 0, jj = types.length; j < jj; ++j) { var type = types[j]; var value = values[j]; switch (type) { case "num": case "sid": out = out.concat(this.encodeNumber(value)); break; case "offset": var name = dict.keyToNameMap[key]; if (!offsetTracker.isTracking(name)) { offsetTracker.track(name, out.length); } out = out.concat([0x1d, 0, 0, 0, 0]); break; case "array": case "delta": out = out.concat(this.encodeNumber(value)); for (var k = 1, kk = values.length; k < kk; ++k) { out = out.concat(this.encodeNumber(values[k])); } break; default: throw new _util.FormatError(`Unknown data type of ${type}`); } } out = out.concat(dict.opcodes[key]); } return out; }, compileStringIndex: function CFFCompiler_compileStringIndex(strings) { var stringIndex = new CFFIndex(); for (var i = 0, ii = strings.length; i < ii; ++i) { stringIndex.add((0, _util.stringToBytes)(strings[i])); } return this.compileIndex(stringIndex); }, compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() { var globalSubrIndex = this.cff.globalSubrIndex; this.out.writeByteArray(this.compileIndex(globalSubrIndex)); }, compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) { var charStringsIndex = new CFFIndex(); for (var i = 0; i < charStrings.count; i++) { var glyph = charStrings.get(i); if (glyph.length === 0) { charStringsIndex.add(new Uint8Array([0x8b, 0x0e])); continue; } charStringsIndex.add(glyph); } return this.compileIndex(charStringsIndex); }, compileCharset: function CFFCompiler_compileCharset(charset, numGlyphs, strings, isCIDFont) { let out; const numGlyphsLessNotDef = numGlyphs - 1; if (isCIDFont) { out = new Uint8Array([2, 0, 0, numGlyphsLessNotDef >> 8 & 0xff, numGlyphsLessNotDef & 0xff]); } else { const length = 1 + numGlyphsLessNotDef * 2; out = new Uint8Array(length); out[0] = 0; let charsetIndex = 0; const numCharsets = charset.charset.length; let warned = false; for (let i = 1; i < out.length; i += 2) { let sid = 0; if (charsetIndex < numCharsets) { const name = charset.charset[charsetIndex++]; sid = strings.getSID(name); if (sid === -1) { sid = 0; if (!warned) { warned = true; (0, _util.warn)(`Couldn't find ${name} in CFF strings`); } } } out[i] = sid >> 8 & 0xff; out[i + 1] = sid & 0xff; } } return this.compileTypedArray(out); }, compileEncoding: function CFFCompiler_compileEncoding(encoding) { return this.compileTypedArray(encoding.raw); }, compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) { const format = fdSelect.format; let out, i; switch (format) { case 0: out = new Uint8Array(1 + fdSelect.fdSelect.length); out[0] = format; for (i = 0; i < fdSelect.fdSelect.length; i++) { out[i + 1] = fdSelect.fdSelect[i]; } break; case 3: const start = 0; let lastFD = fdSelect.fdSelect[0]; const ranges = [format, 0, 0, start >> 8 & 0xff, start & 0xff, lastFD]; for (i = 1; i < fdSelect.fdSelect.length; i++) { const currentFD = fdSelect.fdSelect[i]; if (currentFD !== lastFD) { ranges.push(i >> 8 & 0xff, i & 0xff, currentFD); lastFD = currentFD; } } const numRanges = (ranges.length - 3) / 3; ranges[1] = numRanges >> 8 & 0xff; ranges[2] = numRanges & 0xff; ranges.push(i >> 8 & 0xff, i & 0xff); out = new Uint8Array(ranges); break; } return this.compileTypedArray(out); }, compileTypedArray: function CFFCompiler_compileTypedArray(data) { var out = []; for (var i = 0, ii = data.length; i < ii; ++i) { out[i] = data[i]; } return out; }, compileIndex: function CFFCompiler_compileIndex(index, trackers) { trackers = trackers || []; var objects = index.objects; var count = objects.length; if (count === 0) { return [0, 0, 0]; } var data = [count >> 8 & 0xff, count & 0xff]; var lastOffset = 1, i; for (i = 0; i < count; ++i) { lastOffset += objects[i].length; } var offsetSize; if (lastOffset < 0x100) { offsetSize = 1; } else if (lastOffset < 0x10000) { offsetSize = 2; } else if (lastOffset < 0x1000000) { offsetSize = 3; } else { offsetSize = 4; } data.push(offsetSize); var relativeOffset = 1; for (i = 0; i < count + 1; i++) { if (offsetSize === 1) { data.push(relativeOffset & 0xff); } else if (offsetSize === 2) { data.push(relativeOffset >> 8 & 0xff, relativeOffset & 0xff); } else if (offsetSize === 3) { data.push(relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff); } else { data.push(relativeOffset >>> 24 & 0xff, relativeOffset >> 16 & 0xff, relativeOffset >> 8 & 0xff, relativeOffset & 0xff); } if (objects[i]) { relativeOffset += objects[i].length; } } for (i = 0; i < count; i++) { if (trackers[i]) { trackers[i].offset(data.length); } for (var j = 0, jj = objects[i].length; j < jj; j++) { data.push(objects[i][j]); } } return data; } }; return CFFCompiler; }(); exports.CFFCompiler = CFFCompiler;