@shockpkg/dir-projector/lib/util/mac.mjs.map

Package for creating Shockwave Director projectors

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{\n\tPlist,\n\tValue,\n\tValueDict,\n\tValueString\n} from '@shockpkg/plist-dom';\nimport fse from 'fs-extra';\n\nimport {\n\tonce,\n\tlauncher\n} from '../util';\n\nconst FAT_MAGIC = 0xCAFEBABE;\nconst MH_MAGIC = 0xFEEDFACE;\nconst MH_CIGAM = 0xCEFAEDFE;\nconst MH_MAGIC_64 = 0xFEEDFACF;\nconst MH_CIGAM_64 = 0xCFFAEDFE;\n\nconst CPU_TYPE_POWERPC = 0x00000012;\nconst CPU_TYPE_POWERPC64 = 0x01000012;\nconst CPU_TYPE_I386 = 0x00000007;\nconst CPU_TYPE_X86_64 = 0x01000007;\n\nconst launcherMappings = once(() => new Map([\n\t[CPU_TYPE_POWERPC, 'mac-app-ppc'],\n\t[CPU_TYPE_POWERPC64, 'mac-app-ppc64'],\n\t[CPU_TYPE_I386, 'mac-app-i386'],\n\t[CPU_TYPE_X86_64, 'mac-app-x86_64']\n]));\n\nexport interface IMachoType {\n\n\t/**\n\t * CPU type.\n\t */\n\tcpuType: number;\n\n\t/**\n\t * CPU subtype.\n\t */\n\tcpuSubtype: number;\n}\n\n/**\n * Parse plist data.\n * Currently only supports XML plist.\n *\n * @param data Plist XML.\n * @returns Plist document.\n */\nexport async function plistParse(data: string) {\n\tconst plist = new Plist();\n\tplist.fromXml(data);\n\treturn plist;\n}\n\n/**\n * Read plist file.\n * Currently only supports XML plist.\n *\n * @param path Plist file.\n * @returns Plist document.\n */\nexport async function plistRead(path: string) {\n\treturn plistParse(await fse.readFile(path, 'utf8'));\n}\n\n/**\n * Get Info.plist dictionary or throw.\n *\n * @param plist Plist document.\n * @returns Dictionary object.\n */\nexport function infoPlistDict(plist: Plist) {\n\treturn plist.getValue().castAs(ValueDict);\n}\n\n/**\n * Get Info.plist dictionary value or throw.\n *\n * @param plist Plist document.\n * @param key Dictionary key.\n * @returns Value object.\n */\nexport function infoPlistDictGetValue(plist: Plist, key: string) {\n\treturn infoPlistDict(plist).getValue(key);\n}\n\n/**\n * Set Info.plist dictionary value or throw.\n *\n * @param plist Plist document.\n * @param key Dictionary key.\n * @param value Value object.\n */\nexport 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infoPlistDictGetValue(plist, 'CFBundleIconFile')\n\t\t.castAs(ValueString).value;\n}\n\n/**\n * Set Info.plist bundle icon.\n *\n * @param plist Plist document.\n * @param value Icon name.\n */\nexport function infoPlistBundleIconFileSet(plist: Plist, value: string | null) {\n\tconst v = value === null ? null : new ValueString(value);\n\tinfoPlistDictSet(plist, 'CFBundleIconFile', v);\n}\n\n/**\n * Set Info.plist bundle name.\n *\n * @param plist Plist document.\n * @param value Icon name.\n */\nexport function infoPlistBundleNameSet(plist: Plist, value: string | null) {\n\tconst v = value === null ? null : new ValueString(value);\n\tinfoPlistDictSet(plist, 'CFBundleName', v);\n}\n\n/**\n * Get types of Mach-O data, array if FAT binary, else a single object.\n *\n * @param data Mach-O data.\n * @returns Mach-O types.\n */\nexport function machoTypesData(data: Readonly<Buffer>) {\n\tlet le = false;\n\tconst uint32 = (offset: number) => (\n\t\tle ? data.readUInt32LE(offset) : data.readUInt32BE(offset)\n\t);\n\tconst type = (offset: number): IMachoType => ({\n\t\tcpuType: uint32(offset),\n\t\tcpuSubtype: uint32(offset + 4)\n\t});\n\tconst magic = uint32(0);\n\tswitch (magic) {\n\t\tcase FAT_MAGIC: {\n\t\t\tconst r = [];\n\t\t\tconst count = uint32(4);\n\t\t\tlet offset = 8;\n\t\t\tfor (let i = 0; i < count; i++) {\n\t\t\t\tr.push(type(offset));\n\t\t\t\toffset += 20;\n\t\t\t}\n\t\t\treturn r;\n\t\t}\n\t\tcase MH_MAGIC:\n\t\tcase MH_MAGIC_64: {\n\t\t\treturn type(4);\n\t\t}\n\t\tcase MH_CIGAM:\n\t\tcase MH_CIGAM_64: {\n\t\t\tle = true;\n\t\t\treturn type(4);\n\t\t}\n\t\tdefault: {\n\t\t\tthrow new Error(`Unknown header magic: 0x${magic.toString(16)}`);\n\t\t}\n\t}\n}\n\n/**\n * Get types of Mach-O file, array if FAT binary, else a single object.\n *\n * @param path Mach-O file.\n * @returns Mach-O types.\n */\nexport async function machoTypesFile(path: string) {\n\treturn machoTypesData(await fse.readFile(path));\n}\n\n/**\n * Get Mach-O app launcher for a single type.\n *\n * @param type Mach-O type.\n * @returns Launcher data.\n */\nexport async function machoAppLauncherThin(type: Readonly<IMachoType>) {\n\tconst {cpuType} = type;\n\tconst id = launcherMappings().get(cpuType);\n\tif (!id) {\n\t\tthrow new Error(`Unknown CPU type: 0x${cpuType.toString(16)}`);\n\t}\n\treturn launcher(id);\n}\n\n/**\n * Get Mach-O app launcher for a type list.\n *\n * @param types Mach-O types.\n * @returns Launcher data.\n */\nexport async function machoAppLauncherFat(\n\ttypes: Readonly<Readonly<IMachoType>[]>\n) {\n\t// The lipo utility always uses 12/4096 for ppc, ppc64, i386, and x86_64.\n\tconst align = 12;\n\t// eslint-disable-next-line no-bitwise\n\tconst alignSize = (1 << align) >>> 0;\n\n\t// Create the FAT header.\n\tconst head = Buffer.alloc(8);\n\thead.writeUInt32BE(FAT_MAGIC, 0);\n\thead.writeUInt32BE(types.length, 4);\n\n\t// The pieces and their total length.\n\tconst pieces = [head];\n\tlet total = head.length;\n\n\t// Helpers for add and 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