sheetjs-clone/packages/otorp/index.node.js
2022-01-31 06:41:23 -05:00

548 lines
15 KiB
JavaScript

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __markAsModule = (target) => __defProp(target, "__esModule", { value: true });
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __reExport = (target, module2, copyDefault, desc) => {
if (module2 && typeof module2 === "object" || typeof module2 === "function") {
for (let key of __getOwnPropNames(module2))
if (!__hasOwnProp.call(target, key) && (copyDefault || key !== "default"))
__defProp(target, key, { get: () => module2[key], enumerable: !(desc = __getOwnPropDesc(module2, key)) || desc.enumerable });
}
return target;
};
var __toCommonJS = /* @__PURE__ */ ((cache) => {
return (module2, temp) => {
return cache && cache.get(module2) || (temp = __reExport(__markAsModule({}), module2, 1), cache && cache.set(module2, temp), temp);
};
})(typeof WeakMap !== "undefined" ? /* @__PURE__ */ new WeakMap() : 0);
// index.node.ts
var index_node_exports = {};
__export(index_node_exports, {
otorp: () => otorp_default
});
// ../../modules/src/util.ts
var u8_to_dataview = (array) => new DataView(array.buffer, array.byteOffset, array.byteLength);
var u8str = (u8) => new TextDecoder().decode(u8);
var indent = (str, depth) => str.split(/\n/g).map((x) => x && " ".repeat(depth) + x).join("\n");
function u8indexOf(u8, data, byteOffset) {
if (typeof data == "number")
return u8.indexOf(data, byteOffset);
var l = byteOffset;
if (typeof data == "string") {
outs:
while ((l = u8.indexOf(data.charCodeAt(0), l)) > -1) {
++l;
for (var j = 1; j < data.length; ++j)
if (u8[l + j - 1] != data.charCodeAt(j))
continue outs;
return l - 1;
}
} else {
outb:
while ((l = u8.indexOf(data[0], l)) > -1) {
++l;
for (var j = 1; j < data.length; ++j)
if (u8[l + j - 1] != data[j])
continue outb;
return l - 1;
}
}
return -1;
}
// src/macho.ts
var parse_fat = (buf) => {
var dv = u8_to_dataview(buf);
if (dv.getUint32(0, false) !== 3405691582)
throw new Error("Unsupported file");
var nfat_arch = dv.getUint32(4, false);
var out = [];
for (var i = 0; i < nfat_arch; ++i) {
var start = i * 20 + 8;
var cputype = dv.getUint32(start, false);
var cpusubtype = dv.getUint32(start + 4, false);
var offset = dv.getUint32(start + 8, false);
var size = dv.getUint32(start + 12, false);
var align = dv.getUint32(start + 16, false);
out.push({
type: cputype,
subtype: cpusubtype,
offset,
size,
align,
data: buf.slice(offset, offset + size)
});
}
return out;
};
var parse_macho = (buf) => {
var dv = u8_to_dataview(buf);
var magic = dv.getUint32(0, false);
switch (magic) {
case 3405691582:
return parse_fat(buf);
case 3489328638:
return [{
type: dv.getUint32(4, false),
subtype: dv.getUint32(8, false),
offset: 0,
size: buf.length,
data: buf
}];
}
throw new Error("Unsupported file");
};
// ../../modules/src/proto.ts
function parse_varint49(buf, ptr) {
var l = ptr ? ptr[0] : 0;
var usz = buf[l] & 127;
varint:
if (buf[l++] >= 128) {
usz |= (buf[l] & 127) << 7;
if (buf[l++] < 128)
break varint;
usz |= (buf[l] & 127) << 14;
if (buf[l++] < 128)
break varint;
usz |= (buf[l] & 127) << 21;
if (buf[l++] < 128)
break varint;
usz += (buf[l] & 127) * Math.pow(2, 28);
++l;
if (buf[l++] < 128)
break varint;
usz += (buf[l] & 127) * Math.pow(2, 35);
++l;
if (buf[l++] < 128)
break varint;
usz += (buf[l] & 127) * Math.pow(2, 42);
++l;
if (buf[l++] < 128)
break varint;
}
if (ptr)
ptr[0] = l;
return usz;
}
function varint_to_i32(buf) {
var l = 0, i32 = buf[l] & 127;
varint:
if (buf[l++] >= 128) {
i32 |= (buf[l] & 127) << 7;
if (buf[l++] < 128)
break varint;
i32 |= (buf[l] & 127) << 14;
if (buf[l++] < 128)
break varint;
i32 |= (buf[l] & 127) << 21;
if (buf[l++] < 128)
break varint;
i32 |= (buf[l] & 127) << 28;
}
return i32;
}
function parse_shallow(buf) {
var out = [], ptr = [0];
while (ptr[0] < buf.length) {
var off = ptr[0];
var num = parse_varint49(buf, ptr);
var type = num & 7;
num = Math.floor(num / 8);
var len = 0;
var res;
if (num == 0)
break;
switch (type) {
case 0:
{
var l = ptr[0];
while (buf[ptr[0]++] >= 128)
;
res = buf.slice(l, ptr[0]);
}
break;
case 5:
len = 4;
res = buf.slice(ptr[0], ptr[0] + len);
ptr[0] += len;
break;
case 1:
len = 8;
res = buf.slice(ptr[0], ptr[0] + len);
ptr[0] += len;
break;
case 2:
len = parse_varint49(buf, ptr);
res = buf.slice(ptr[0], ptr[0] + len);
ptr[0] += len;
break;
case 3:
case 4:
default:
throw new Error(`PB Type ${type} for Field ${num} at offset ${off}`);
}
var v = { offset: off, data: res };
if (out[num] == null)
out[num] = [v];
else
out[num].push(v);
}
return out;
}
function mappa(data, cb) {
if (!data)
return [];
return data.map((d) => {
try {
return cb(d.data);
} catch (e) {
var m = e.message?.match(/at offset (\d+)/);
if (m)
e.message = e.message.replace(/at offset (\d+)/, "at offset " + (+m[1] + d.offset));
throw e;
}
});
}
// src/descriptor.ts
var TYPES = [
"error",
"double",
"float",
"int64",
"uint64",
"int32",
"fixed64",
"fixed32",
"bool",
"string",
"group",
"message",
"bytes",
"uint32",
"enum",
"sfixed32",
"sfixed64",
"sint32",
"sint64"
];
function parse_FileOptions(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[1]?.[0])
out.javaPackage = u8str(data[1][0].data);
if (data[8]?.[0])
out.javaOuterClassname = u8str(data[8][0].data);
if (data[11]?.[0])
out.goPackage = u8str(data[11][0].data);
return out;
}
function parse_EnumValue(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[1]?.[0])
out.name = u8str(data[1][0].data);
if (data[2]?.[0])
out.number = varint_to_i32(data[2][0].data);
return out;
}
function parse_Enum(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[1]?.[0])
out.name = u8str(data[1][0].data);
out.value = mappa(data[2], parse_EnumValue);
return out;
}
var write_Enum = (en) => {
var out = [`enum ${en.name} {`];
en.value?.forEach(({ name, number }) => out.push(` ${name} = ${number};`));
return out.concat(`}`).join("\n");
};
function parse_FieldOptions(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[2]?.[0])
out.packed = !!data[2][0].data;
if (data[3]?.[0])
out.deprecated = !!data[3][0].data;
return out;
}
function parse_Field(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[1]?.[0])
out.name = u8str(data[1][0].data);
if (data[2]?.[0])
out.extendee = u8str(data[2][0].data);
if (data[3]?.[0])
out.number = varint_to_i32(data[3][0].data);
if (data[4]?.[0])
out.label = varint_to_i32(data[4][0].data);
if (data[5]?.[0])
out.type = varint_to_i32(data[5][0].data);
if (data[6]?.[0])
out.typeName = u8str(data[6][0].data);
if (data[7]?.[0])
out.defaultValue = u8str(data[7][0].data);
if (data[8]?.[0])
out.options = parse_FieldOptions(data[8][0].data);
return out;
}
function write_Field(field) {
var out = [];
var label = ["", "optional ", "required ", "repeated "][field.label] || "";
var type = field.typeName || TYPES[field.type] || "s5s";
var opts = [];
if (field.defaultValue)
opts.push(`default = ${field.defaultValue}`);
if (field.options?.packed)
opts.push(`packed = true`);
if (field.options?.deprecated)
opts.push(`deprecated = true`);
var os = opts.length ? ` [${opts.join(", ")}]` : "";
out.push(`${label}${type} ${field.name} = ${field.number}${os};`);
return out.length ? indent(out.join("\n"), 1) : "";
}
function write_extensions(ext, xtra = false, coalesce = true) {
var res = [];
var xt = [];
ext.forEach((ext2) => {
if (!ext2.extendee)
return;
var row = coalesce ? xt.find((x) => x[0] == ext2.extendee) : xt[xt.length - 1]?.[0] == ext2.extendee ? xt[xt.length - 1] : null;
if (row)
row[1].push(ext2);
else
xt.push([ext2.extendee, [ext2]]);
});
xt.forEach((extrow) => {
var out = [`extend ${extrow[0]} {`];
extrow[1].forEach((ext2) => out.push(write_Field(ext2)));
res.push(out.concat(`}`).join("\n") + (xtra ? "\n" : ""));
});
return res.join("\n");
}
function parse_mtype(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[1]?.[0])
out.name = u8str(data[1][0].data);
if (data[2]?.length >= 1)
out.field = mappa(data[2], parse_Field);
if (data[3]?.length >= 1)
out.nestedType = mappa(data[3], parse_mtype);
if (data[4]?.length >= 1)
out.enumType = mappa(data[4], parse_Enum);
if (data[6]?.length >= 1)
out.extension = mappa(data[6], parse_Field);
if (data[5]?.length >= 1)
out.extensionRange = data[5].map((d) => {
var data2 = parse_shallow(d.data);
var out2 = {};
if (data2[1]?.[0])
out2.start = varint_to_i32(data2[1][0].data);
if (data2[2]?.[0])
out2.end = varint_to_i32(data2[2][0].data);
return out2;
});
return out;
}
var write_mtype = (message) => {
var out = [`message ${message.name} {`];
message.nestedType?.forEach((m) => out.push(indent(write_mtype(m), 1)));
message.enumType?.forEach((en) => out.push(indent(write_Enum(en), 1)));
message.field?.forEach((field) => out.push(write_Field(field)));
if (message.extensionRange)
message.extensionRange.forEach((er) => out.push(` extensions ${er.start} to ${er.end - 1};`));
if (message.extension?.length)
out.push(indent(write_extensions(message.extension), 1));
return out.concat(`}`).join("\n");
};
function parse_FileDescriptor(buf) {
var data = parse_shallow(buf);
var out = {};
if (data[1]?.[0])
out.name = u8str(data[1][0].data);
if (data[2]?.[0])
out.package = u8str(data[2][0].data);
if (data[3]?.[0])
out.dependency = data[3].map((x) => u8str(x.data));
if (data[4]?.length >= 1)
out.messageType = mappa(data[4], parse_mtype);
if (data[5]?.length >= 1)
out.enumType = mappa(data[5], parse_Enum);
if (data[7]?.length >= 1)
out.extension = mappa(data[7], parse_Field);
if (data[8]?.[0])
out.options = parse_FileOptions(data[8][0].data);
return out;
}
var write_FileDescriptor = (pb) => {
var out = [
'syntax = "proto2";',
""
];
if (pb.dependency)
pb.dependency.forEach((n) => {
if (n)
out.push(`import "${n}";`);
});
if (pb.package)
out.push(`package ${pb.package};
`);
if (pb.options) {
var o = out.length;
if (pb.options.javaPackage)
out.push(`option java_package = "${pb.options.javaPackage}";`);
if (pb.options.javaOuterClassname?.replace(/\W/g, ""))
out.push(`option java_outer_classname = "${pb.options.javaOuterClassname}";`);
if (pb.options.javaMultipleFiles)
out.push(`option java_multiple_files = true;`);
if (pb.options.goPackage)
out.push(`option go_package = "${pb.options.goPackage}";`);
if (out.length > o)
out.push("");
}
pb.enumType?.forEach((en) => {
if (en.name)
out.push(write_Enum(en) + "\n");
});
pb.messageType?.forEach((m) => {
if (m.name) {
var o2 = write_mtype(m);
if (o2)
out.push(o2 + "\n");
}
});
if (pb.extension?.length) {
var e = write_extensions(pb.extension, true, false);
if (e)
out.push(e);
}
return out.join("\n") + "\n";
};
// src/otorp.ts
function otorp(buf, builtins = false) {
var res = proto_offsets(buf);
var registry = {};
var names = /* @__PURE__ */ new Set();
var out = [];
res.forEach((r, i) => {
if (!builtins && r[1].startsWith("google/protobuf/"))
return;
var b = buf.slice(r[0], i < res.length - 1 ? res[i + 1][0] : buf.length);
var pb = parse_FileDescriptorProto(b);
names.add(r[1]);
registry[r[1]] = pb;
});
names.forEach((name) => {
names.delete(name);
var pb = registry[name];
var doit = (pb.dependency || []).every((d) => !names.has(d));
if (!doit) {
names.add(name);
return;
}
var dups = res.filter((r) => r[1] == name);
if (dups.length == 1)
return out.push({ name, proto: write_FileDescriptor(pb) });
var pbs = dups.map((r) => {
var i = res.indexOf(r);
var b = buf.slice(r[0], i < res.length - 1 ? res[i + 1][0] : buf.length);
var pb2 = parse_FileDescriptorProto(b);
return write_FileDescriptor(pb2);
});
for (var l = 1; l < pbs.length; ++l)
if (pbs[l] != pbs[0])
throw new Error(`Conflicting definitions for ${name} at offsets 0x${dups[0][0].toString(16)} and 0x${dups[l][0].toString(16)}`);
return out.push({ name, proto: pbs[0] });
});
return out;
}
var otorp_default = otorp;
var is_referenced = (buf, pos) => {
var dv = u8_to_dataview(buf);
for (var leaddr = 0; leaddr > -1 && leaddr < pos; leaddr = u8indexOf(buf, 141, leaddr + 1))
if (dv.getUint32(leaddr + 2, true) == pos - leaddr - 6)
return true;
try {
var headers = parse_macho(buf);
for (var i = 0; i < headers.length; ++i) {
if (pos < headers[i].offset || pos > headers[i].offset + headers[i].size)
continue;
var b = headers[i].data;
var p = pos - headers[i].offset;
var ref = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0]);
var dv = u8_to_dataview(ref);
dv.setInt32(0, p, true);
if (u8indexOf(b, ref, 0) > 0)
return true;
ref[4] = 1;
if (u8indexOf(b, ref, 0) > 0)
return true;
}
} catch (e) {
}
return false;
};
var proto_offsets = (buf) => {
var meta = parse_macho(buf);
var out = [];
var off = 0;
search:
while ((off = u8indexOf(buf, ".proto", off + 1)) > -1) {
var pos = off;
off += 6;
while (off - pos < 256 && buf[pos] != off - pos - 1) {
if (buf[pos] > 127 || buf[pos] < 32)
continue search;
--pos;
}
if (off - pos > 250)
continue;
var name = u8str(buf.slice(pos + 1, off));
if (buf[--pos] != 10)
continue;
if (!is_referenced(buf, pos)) {
console.error(`Reference to ${name} not found`);
continue;
}
var bin = meta.find((m) => m.offset <= pos && m.offset + m.size >= pos);
out.push([pos, name, bin?.type || -1, bin?.subtype || -1]);
}
return out;
};
var parse_FileDescriptorProto = (buf) => {
var l = buf.length;
while (l > 0)
try {
var b = buf.slice(0, l);
var o = parse_FileDescriptor(b);
return o;
} catch (e) {
var m = e.message.match(/at offset (\d+)/);
if (m && parseInt(m[1], 10) < buf.length)
l = parseInt(m[1], 10) - 1;
else
--l;
}
throw new RangeError("no protobuf message in range");
};
module.exports = __toCommonJS(index_node_exports);
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
otorp
});
/*! otorp (C) 2013-present SheetJS -- http://sheetjs.com */
/*! sheetjs (C) 2013-present SheetJS -- http://sheetjs.com */