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feat: optimize code

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Signed-off-by: MiaoWoo <admin@yumc.pw>
This commit is contained in:
MiaoWoo
2019-07-22 16:08:35 +08:00
parent 8c849ed49f
commit 9c300cd191
1 changed files with 370 additions and 401 deletions
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771
src/core/buffer.ts
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@@ -16,217 +16,206 @@ function Write(buf, data, StringFormat?, ParamValue?, WorkStruct?) {
global.ToLogTrace("ERRR StringFormat ");
throw "ERR!!";
}
else {
var format = StringFormat;
if (format.substr(0, 6) === "buffer" && format.length > 6) {
ParamValue = parseInt(format.substr(6));
format = "buffer";
}
else
if (format.substr(0, 3) === "arr" && format.length > 3) {
ParamValue = parseInt(format.substr(3));
format = "arr";
var format = StringFormat;
if (format.substr(0, 6) === "buffer" && format.length > 6) {
ParamValue = parseInt(format.substr(6));
format = "buffer";
} else if (format.substr(0, 3) === "arr" && format.length > 3) {
ParamValue = parseInt(format.substr(3));
format = "arr";
} else if (format.substr(0, 3) === "str" && format.length > 3) {
var length = parseInt(format.substr(3));
if (data)
buf.write(data, buf.len, length);
buf.len += length;
return;
}
switch (format) {
case "str":
{
var arr = global.toUTF8Array(data);
let length = arr.length;
if (length > 65535)
length = 0;
buf[buf.len] = length & 255;
buf[buf.len + 1] = (length >>> 8) & 255;
buf.len += 2;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = arr[i];
}
buf.len += length;
break;
}
else
if (format.substr(0, 3) === "str" && format.length > 3) {
var length = parseInt(format.substr(3));
if (data)
buf.write(data, buf.len, length);
buf.len += length;
return;
case "byte":
{
if (data < 0)
data = 0;
buf[buf.len] = data;
buf.len += 1;
break;
}
case "double":
{
buf.writeDoubleLE(data, buf.len, 8);
buf.len += 8;
break;
}
case "uint":
{
if (data < 0)
data = 0;
if (data >= 281474976710655)
data = 0;
buf.writeUIntLE(data, buf.len, 6);
buf.len += 6;
break;
}
case "uint16":
{
if (data < 0)
data = 0;
buf[buf.len] = data & 255;
buf[buf.len + 1] = (data >>> 8) & 255;
buf.len += 2;
break;
}
case "uint32":
{
if (data < 0)
data = 0;
buf.writeUInt32LE(data, buf.len, 4);
buf.len += 4;
break;
}
case "time":
{
var Time = data.valueOf();
buf.writeUIntLE(Time, buf.len, 6);
buf.len += 6;
break;
}
case "addres":
case "hash":
{
let length;
if (data)
length = Math.min(32, data.length);
else
length = 0;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
switch (format) {
case "str":
{
var arr = global.toUTF8Array(data);
let length = arr.length;
if (length > 65535)
length = 0;
buf[buf.len] = length & 255;
buf[buf.len + 1] = (length >>> 8) & 255;
buf.len += 2;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = arr[i];
}
buf.len += length;
break;
buf.len += 32;
break;
}
case "buffer":
{
let length;
if (ParamValue === undefined)
length = data.length;
else
length = Math.min(ParamValue, data.length);
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
case "byte":
{
if (data < 0)
data = 0;
buf[buf.len] = data;
buf.len += 1;
break;
buf.len += ParamValue;
break;
}
case "arr":
{
let length;
if (data)
length = Math.min(ParamValue, data.length);
else
length = 0;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
case "double":
{
buf.writeDoubleLE(data, buf.len, 8);
buf.len += 8;
break;
buf.len += ParamValue;
break;
}
case "tr":
{
let length = data.length;
if (global.MAX_TRANSACTION_SIZE > global.MAX_TRANSACTION_SIZE)
length = global.MAX_TRANSACTION_SIZE;
buf[buf.len] = length & 255;
buf[buf.len + 1] = (length >>> 8) & 255;
buf.len += 2;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
case "uint":
{
if (data < 0)
data = 0;
if (data >= 281474976710655)
data = 0;
buf.writeUIntLE(data, buf.len, 6);
buf.len += 6;
break;
buf.len += length;
break;
}
case "data":
{
let length = data.length;
buf.writeUInt32LE(length, buf.len, 4);
buf.len += 4;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
case "uint16":
{
if (data < 0)
data = 0;
buf[buf.len] = data & 255;
buf[buf.len + 1] = (data >>> 8) & 255;
buf.len += 2;
break;
}
case "uint32":
{
if (data < 0)
data = 0;
buf.writeUInt32LE(data, buf.len, 4);
buf.len += 4;
break;
}
case "time":
{
var Time = data.valueOf();
buf.writeUIntLE(Time, buf.len, 6);
buf.len += 6;
break;
}
case "addres":
case "hash":
{
buf.len += length;
break;
}
case "hashSTR":
{
var Str = global.GetHexFromAddres(data);
buf.write(Str, buf.len, 64);
buf.len += 64;
break;
}
case "uintSTR":
{
var Str = data.toString();
buf.write(Str, buf.len, 10);
buf.len += 10;
break;
}
default:
{
WorkStruct = WorkStruct || {};
var CurFormat = StringFormat.substr(0, 1);
if (CurFormat === "[") {
let length;
if (data)
length = Math.min(32, data.length);
else
length = 0;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
buf.len += 32;
break;
}
case "buffer":
{
let length;
if (ParamValue === undefined)
length = data.length;
else
length = Math.min(ParamValue, data.length);
var formatNext = GetMiddleString(format);
Write(buf, length, "uint32");
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
Write(buf, data[i], formatNext, undefined, WorkStruct);
}
buf.len += ParamValue;
break;
}
case "arr":
{
} else if (CurFormat === "<") {
let length;
if (data)
length = Math.min(ParamValue, data.length);
else
length = 0;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
buf.len += ParamValue;
break;
}
case "tr":
{
let length = data.length;
if (global.MAX_TRANSACTION_SIZE > global.MAX_TRANSACTION_SIZE)
length = global.MAX_TRANSACTION_SIZE;
buf[buf.len] = length & 255;
buf[buf.len + 1] = (length >>> 8) & 255;
buf.len += 2;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
buf.len += length;
break;
}
case "data":
{
let length = data.length;
buf.writeUInt32LE(length, buf.len, 4);
length = data.length;
var formatNext = GetMiddleString(format);
var IndexCount = 0;
var len = buf.len;
buf.len += 4;
for (var i = 0; i < length; i++) {
buf[buf.len + i] = data[i];
}
buf.len += length;
break;
}
case "hashSTR":
{
var Str = global.GetHexFromAddres(data);
buf.write(Str, buf.len, 64);
buf.len += 64;
break;
}
case "uintSTR":
{
var Str = data.toString();
buf.write(Str, buf.len, 10);
buf.len += 10;
break;
}
default:
{
WorkStruct = WorkStruct || {};
var CurFormat = StringFormat.substr(0, 1);
if (CurFormat === "[") {
let length;
if (data)
length = data.length;
var formatNext = GetMiddleString(format);
Write(buf, length, "uint32");
for (var i = 0; i < length; i++) {
if (data[i]) {
IndexCount++;
Write(buf, i, "uint32");
Write(buf, data[i], formatNext, undefined, WorkStruct);
}
}
else
if (CurFormat === "<") {
let length;
if (data)
length = data.length;
var formatNext = GetMiddleString(format);
var IndexCount = 0;
var len = buf.len;
buf.len += 4;
for (var i = 0; i < length; i++) {
if (data[i]) {
IndexCount++;
Write(buf, i, "uint32");
Write(buf, data[i], formatNext, undefined, WorkStruct);
}
}
buf.writeUInt32LE(IndexCount, len, 4);
}
else
if (CurFormat === "{") {
var attrs = WorkStruct[format];
if (!attrs) {
attrs = GetAttributes(GetMiddleString(format));
WorkStruct[format] = attrs;
}
for (var i = 0; i < attrs.length; i++) {
var type = attrs[i];
Write(buf, data[type.Key], type.Value, undefined, WorkStruct);
}
}
else {
throw "Bad write type params: " + format;
}
buf.writeUInt32LE(IndexCount, len, 4);
} else if (CurFormat === "{") {
var attrs = WorkStruct[format];
if (!attrs) {
attrs = GetAttributes(GetMiddleString(format));
WorkStruct[format] = attrs;
}
for (var i = 0; i < attrs.length; i++) {
var type = attrs[i];
Write(buf, data[type.Key], type.Value, undefined, WorkStruct);
}
} else {
throw "Bad write type params: " + format;
}
}
}
}
};
@@ -236,225 +225,205 @@ function Read(buf, StringFormat, ParamValue?, WorkStruct?, bDisableTime?) {
global.ToLogTrace("ERR StringFormat");
throw "ERRR!";
}
else {
var format = StringFormat;
if (format.substr(0, 6) === "buffer") {
if (format.length > 6) {
ParamValue = parseInt(format.substr(6));
format = "buffer";
}
else {
ParamValue = 0;
}
var format = StringFormat;
if (format.substr(0, 6) === "buffer") {
if (format.length > 6) {
ParamValue = parseInt(format.substr(6));
format = "buffer";
} else {
ParamValue = 0;
}
else
if (format.substr(0, 3) === "arr") {
if (format.length > 3) {
ParamValue = parseInt(format.substr(3));
format = "arr";
}
else {
ParamValue = 0;
} else if (format.substr(0, 3) === "arr") {
if (format.length > 3) {
ParamValue = parseInt(format.substr(3));
format = "arr";
} else {
ParamValue = 0;
}
} else if (format.substr(0, 3) === "str") {
if (format.length > 3) {
var length = parseInt(format.substr(3));
ret = buf.toString('utf8', buf.len, buf.len + length);
buf.len += length;
var nEnd = - 1;
for (var i = ret.length - 1; i >= 0; i--) {
if (ret.charCodeAt(i) !== 0) {
nEnd = i;
break;
}
}
else
if (format.substr(0, 3) === "str") {
if (format.length > 3) {
var length = parseInt(format.substr(3));
ret = buf.toString('utf8', buf.len, buf.len + length);
buf.len += length;
var nEnd = - 1;
for (var i = ret.length - 1; i >= 0; i--) {
if (ret.charCodeAt(i) !== 0) {
nEnd = i;
break;
}
}
if (nEnd >= 0)
ret = ret.substr(0, i + 1);
else
ret = "";
return ret;
}
else {
ParamValue = 0;
}
}
switch (format) {
case "str":
{
let length;
if (buf.len + 2 <= buf.length)
length = buf[buf.len] + buf[buf.len + 1] * 256;
return nEnd >= 0 ? ret.substr(0, i + 1) : "";
} else {
ParamValue = 0;
}
}
switch (format) {
case "str":
{
let length;
if (buf.len + 2 <= buf.length)
length = buf[buf.len] + buf[buf.len + 1] * 256;
else
length = 0;
buf.len += 2;
var arr = buf.slice(buf.len, buf.len + length);
ret = global.Utf8ArrayToStr(arr);
buf.len += length;
break;
}
case "byte":
{
if (buf.len + 1 <= buf.length)
ret = buf[buf.len];
else
ret = 0;
buf.len += 1;
break;
}
case "double":
{
if (buf.len + 8 <= buf.length)
ret = buf.readDoubleLE(buf.len, 8);
else
ret = 0;
buf.len += 8;
break;
}
case "uint":
{
if (buf.len + 6 <= buf.length)
ret = buf.readUIntLE(buf.len, 6);
else
ret = 0;
buf.len += 6;
break;
}
case "uint16":
{
if (buf.len + 2 <= buf.length)
ret = buf[buf.len] + buf[buf.len + 1] * 256;
else
ret = 0;
buf.len += 2;
break;
}
case "uint32":
{
if (buf.len + 4 <= buf.length)
ret = buf.readUInt32LE(buf.len, 4);
else
ret = 0;
buf.len += 4;
break;
}
case "time":
{
if (bDisableTime)
throw "Bad read type params: time - DisableTime ON";
if (buf.len + 6 <= buf.length)
ret = buf.readUIntLE(buf.len, 6);
else
ret = 0;
ret = new Date(ret);
buf.len += 6;
break;
}
case "addres":
case "hash":
{
ret = [];
for (var i = 0; i < 32; i++) {
if (buf.len + i <= buf.length)
ret[i] = buf[buf.len + i];
else
length = 0;
buf.len += 2;
var arr = buf.slice(buf.len, buf.len + length);
ret = global.Utf8ArrayToStr(arr);
buf.len += length;
ret[i] = 0;
}
buf.len += 32;
break;
}
case "buffer":
case "arr":
{
if (buf.len + ParamValue <= buf.length)
ret = buf.slice(buf.len, buf.len + ParamValue);
else
ret = Buffer.alloc(ParamValue);
buf.len += ParamValue;
break;
}
case "tr":
{
if (buf.len + 1 >= buf.length) {
ret = undefined;
break;
}
case "byte":
{
if (buf.len + 1 <= buf.length)
ret = buf[buf.len];
else
ret = 0;
buf.len += 1;
break;
}
case "double":
{
if (buf.len + 8 <= buf.length)
ret = buf.readDoubleLE(buf.len, 8);
else
ret = 0;
buf.len += 8;
break;
}
case "uint":
{
if (buf.len + 6 <= buf.length)
ret = buf.readUIntLE(buf.len, 6);
else
ret = 0;
buf.len += 6;
break;
}
case "uint16":
{
if (buf.len + 2 <= buf.length)
ret = buf[buf.len] + buf[buf.len + 1] * 256;
else
ret = 0;
buf.len += 2;
break;
}
case "uint32":
{
if (buf.len + 4 <= buf.length)
ret = buf.readUInt32LE(buf.len, 4);
else
ret = 0;
buf.len += 4;
break;
}
case "time":
{
if (bDisableTime)
throw "Bad read type params: time - DisableTime ON";
if (buf.len + 6 <= buf.length)
ret = buf.readUIntLE(buf.len, 6);
else
ret = 0;
ret = new Date(ret);
buf.len += 6;
break;
}
case "addres":
case "hash":
{
let length = buf[buf.len] + buf[buf.len + 1] * 256;
buf.len += 2;
ret = buf.slice(buf.len, buf.len + length);
buf.len += length;
break;
}
case "data":
{
let length;
if (buf.len + 4 <= buf.length)
length = buf.readUInt32LE(buf.len, 4);
else
length = 0;
if (length > buf.length - buf.len - 4)
length = 0;
buf.len += 4;
ret = buf.slice(buf.len, buf.len + length);
buf.len += length;
break;
}
case "hashSTR":
{
var Str = buf.toString('utf8', buf.len, buf.len + 64);
ret = global.GetAddresFromHex(Str);
buf.len += 64;
break;
}
case "uintSTR":
{
var Str = buf.toString('utf8', buf.len, buf.len + 10);
ret = parseInt(Str);
buf.len += 10;
break;
}
default:
{
WorkStruct = WorkStruct || {};
var LStr = format.substr(0, 1);
if (LStr === "[" || LStr === "<") {
var bIndexArr = (LStr === "<");
ret = [];
for (var i = 0; i < 32; i++) {
if (buf.len + i <= buf.length)
ret[i] = buf[buf.len + i];
else
ret[i] = 0;
}
buf.len += 32;
break;
}
case "buffer":
case "arr":
{
if (buf.len + ParamValue <= buf.length)
ret = buf.slice(buf.len, buf.len + ParamValue);
else
ret = Buffer.alloc(ParamValue);
buf.len += ParamValue;
break;
}
case "tr":
{
if (buf.len + 1 >= buf.length) {
ret = undefined;
break;
}
let length = buf[buf.len] + buf[buf.len + 1] * 256;
buf.len += 2;
ret = buf.slice(buf.len, buf.len + length);
buf.len += length;
break;
}
case "data":
{
let length;
if (buf.len + 4 <= buf.length)
length = buf.readUInt32LE(buf.len, 4);
else
length = 0;
if (length > buf.length - buf.len - 4)
length = 0;
buf.len += 4;
ret = buf.slice(buf.len, buf.len + length);
buf.len += length;
break;
}
case "hashSTR":
{
var Str = buf.toString('utf8', buf.len, buf.len + 64);
ret = global.GetAddresFromHex(Str);
buf.len += 64;
break;
}
case "uintSTR":
{
var Str = buf.toString('utf8', buf.len, buf.len + 10);
ret = parseInt(Str);
buf.len += 10;
break;
}
default:
{
WorkStruct = WorkStruct || {};
var LStr = format.substr(0, 1);
if (LStr === "[" || LStr === "<") {
var bIndexArr = (LStr === "<");
ret = [];
var formatNext = GetMiddleString(format);
let length = Read(buf, "uint32");
for (var i = 0; i < length; i++) {
if (buf.len <= buf.length) {
if (bIndexArr) {
var index = Read(buf, "uint32");
ret[index] = Read(buf, formatNext, undefined, WorkStruct, bDisableTime);
}
else {
ret[i] = Read(buf, formatNext, undefined, WorkStruct, bDisableTime);
}
}
else
break;
var formatNext = GetMiddleString(format);
let length = Read(buf, "uint32");
for (var i = 0; i < length; i++) {
if (buf.len > buf.length) { break; }
if (bIndexArr) {
var index = Read(buf, "uint32");
ret[index] = Read(buf, formatNext, undefined, WorkStruct, bDisableTime);
} else {
ret[i] = Read(buf, formatNext, undefined, WorkStruct, bDisableTime);
}
}
else
if (LStr === "{") {
var attrs = WorkStruct[format];
if (!attrs) {
attrs = GetAttributes(GetMiddleString(format));
WorkStruct[format] = attrs;
}
ret = {};
for (var i = 0; i < attrs.length; i++) {
var type = attrs[i];
ret[type.Key] = Read(buf, type.Value, undefined, WorkStruct, bDisableTime);
}
}
else {
throw "Bad read type params: " + format;
}
} else if (LStr === "{") {
var attrs = WorkStruct[format];
if (!attrs) {
attrs = GetAttributes(GetMiddleString(format));
WorkStruct[format] = attrs;
}
ret = {};
for (var i = 0; i < attrs.length; i++) {
var type = attrs[i];
ret[type.Key] = Read(buf, type.Value, undefined, WorkStruct, bDisableTime);
}
} else {
throw "Bad read type params: " + format;
}
}
}
}
return ret;
};