365 lines
11 KiB
JavaScript
365 lines
11 KiB
JavaScript
/*
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* @project: TERA
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* @version: Development (beta)
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* @license: MIT (not for evil)
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* @copyright: Yuriy Ivanov (Vtools) 2017-2019 [progr76@gmail.com]
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* Web: https://terafoundation.org
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* Twitter: https://twitter.com/terafoundation
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* Telegram: https://t.me/terafoundation
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*/
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function Write(e,r,t,n,l)
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{
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if(!(e.len >= e.length))
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{
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if("number" == typeof t)
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throw ToLogTrace("ERRR StringFormat "), "ERR!!";
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var a = t;
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if("buffer" === a.substr(0, 6) && 6 < a.length)
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n = parseInt(a.substr(6)), a = "buffer";
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else
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if("arr" === a.substr(0, 3) && 3 < a.length)
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n = parseInt(a.substr(3)), a = "arr";
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else
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if("str" === a.substr(0, 3) && 3 < a.length)
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{
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var i = parseInt(a.substr(3));
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return r && e.write(r, e.len, i), void (e.len += i);
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}
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switch(a)
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{
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case "str":
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var f = toUTF8Array(r);
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65535 < (i = f.length) && (i = 0), e[e.len] = 255 & i, e[e.len + 1] = i >>> 8 & 255, e.len += 2;
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for(var s = 0; s < i; s++)
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e[e.len + s] = f[s];
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e.len += i;
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break;
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case "byte":
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r < 0 && (r = 0), e[e.len] = r, e.len += 1;
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break;
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case "double":
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e.writeDoubleLE(r, e.len, 8), e.len += 8;
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break;
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case "uint":
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r < 0 && (r = 0), 0xffffffffffff <= r && (r = 0), e.writeUIntLE(r, e.len, 6), e.len += 6;
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break;
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case "uint16":
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r < 0 && (r = 0), e[e.len] = 255 & r, e[e.len + 1] = r >>> 8 & 255, e.len += 2;
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break;
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case "uint32":
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r < 0 && (r = 0), e.writeUInt32LE(r, e.len, 4), e.len += 4;
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break;
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case "time":
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var u = r.valueOf();
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e.writeUIntLE(u, e.len, 6), e.len += 6;
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break;
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case "addres":
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case "hash":
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i = r ? Math.min(32, r.length) : 0;
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for(s = 0; s < i; s++)
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e[e.len + s] = r[s];
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e.len += 32;
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break;
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case "buffer":
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i = void 0 === n ? r.length : Math.min(n, r.length);
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for(s = 0; s < i; s++)
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e[e.len + s] = r[s];
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e.len += n;
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break;
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case "arr":
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i = r ? Math.min(n, r.length) : 0;
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for(s = 0; s < i; s++)
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e[e.len + s] = r[s];
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e.len += n;
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break;
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case "tr":
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i = r.length;
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MAX_TRANSACTION_SIZE > MAX_TRANSACTION_SIZE && (i = MAX_TRANSACTION_SIZE), e[e.len] = 255 & i, e[e.len + 1] = i >>> 8 & 255,
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e.len += 2;
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for(s = 0; s < i; s++)
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e[e.len + s] = r[s];
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e.len += i;
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break;
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case "data":
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i = r.length;
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e.writeUInt32LE(i, e.len, 4), e.len += 4;
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for(s = 0; s < i; s++)
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e[e.len + s] = r[s];
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e.len += i;
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break;
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case "hashSTR":
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var o = GetHexFromAddres(r);
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e.write(o, e.len, 64), e.len += 64;
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break;
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case "uintSTR":
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o = r.toString();
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e.write(o, e.len, 10), e.len += 10;
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break;
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default:
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l = l || {};
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var d = t.substr(0, 1);
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if("[" === d)
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{
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r && (i = r.length);
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var b = GetMiddleString(a);
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Write(e, i, "uint32");
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for(s = 0; s < i; s++)
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Write(e, r[s], b, void 0, l);
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}
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else
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if("<" === d)
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{
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r && (i = r.length);
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b = GetMiddleString(a);
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var h = 0, c = e.len;
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e.len += 4;
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for(s = 0; s < i; s++)
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r[s] && (h++, Write(e, s, "uint32"), Write(e, r[s], b, void 0, l));
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e.writeUInt32LE(h, c, 4);
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}
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else
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{
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if("{" !== d)
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throw "Bad write type params: " + a;
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var g = l[a];
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g || (g = GetAttributes(GetMiddleString(a)), l[a] = g);
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for(s = 0; s < g.length; s++)
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{
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var v = g[s];
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Write(e, r[v.Key], v.Value, void 0, l);
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}
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}
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}
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}
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};
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function Read(e,r,t,n,l)
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{
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var a;
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if("number" == typeof r)
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throw ToLogTrace("ERR StringFormat"), "ERRR!";
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var i = r;
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if("buffer" === i.substr(0, 6))
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6 < i.length ? (t = parseInt(i.substr(6)), i = "buffer") : t = 0;
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else
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if("arr" === i.substr(0, 3))
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3 < i.length ? (t = parseInt(i.substr(3)), i = "arr") : t = 0;
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else
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if("str" === i.substr(0, 3))
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{
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if(3 < i.length)
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{
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var f = parseInt(i.substr(3));
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a = e.toString("utf8", e.len, e.len + f), e.len += f;
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for(var s = - 1, u = a.length - 1; 0 <= u; u--)
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if(0 !== a.charCodeAt(u))
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{
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s = u;
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break;
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}
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return a = 0 <= s ? a.substr(0, u + 1) : "";
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}
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t = 0;
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}
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switch(i)
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{
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case "str":
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f = e.len + 2 <= e.length ? e[e.len] + 256 * e[e.len + 1] : 0, e.len += 2;
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var o = e.slice(e.len, e.len + f);
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a = Utf8ArrayToStr(o), e.len += f;
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break;
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case "byte":
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a = e.len + 1 <= e.length ? e[e.len] : 0, e.len += 1;
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break;
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case "double":
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a = e.len + 8 <= e.length ? e.readDoubleLE(e.len, 8) : 0, e.len += 8;
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break;
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case "uint":
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a = e.len + 6 <= e.length ? e.readUIntLE(e.len, 6) : 0, e.len += 6;
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break;
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case "uint16":
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a = e.len + 2 <= e.length ? e[e.len] + 256 * e[e.len + 1] : 0, e.len += 2;
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break;
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case "uint32":
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a = e.len + 4 <= e.length ? e.readUInt32LE(e.len, 4) : 0, e.len += 4;
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break;
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case "time":
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if(l)
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throw "Bad read type params: time - DisableTime ON";
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a = e.len + 6 <= e.length ? e.readUIntLE(e.len, 6) : 0, a = new Date(a), e.len += 6;
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break;
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case "addres":
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case "hash":
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a = [];
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for(u = 0; u < 32; u++)
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e.len + u <= e.length ? a[u] = e[e.len + u] : a[u] = 0;
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e.len += 32;
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break;
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case "buffer":
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case "arr":
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a = e.len + t <= e.length ? e.slice(e.len, e.len + t) : Buffer.alloc(t), e.len += t;
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break;
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case "tr":
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if(e.len + 1 >= e.length)
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{
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a = void 0;
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break;
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}
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f = e[e.len] + 256 * e[e.len + 1];
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e.len += 2, a = e.slice(e.len, e.len + f), e.len += f;
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break;
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case "data":
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(f = e.len + 4 <= e.length ? e.readUInt32LE(e.len, 4) : 0) > e.length - e.len - 4 && (f = 0), e.len += 4, a = e.slice(e.len,
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e.len + f), e.len += f;
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break;
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case "hashSTR":
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var d = e.toString("utf8", e.len, e.len + 64);
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a = GetAddresFromHex(d), e.len += 64;
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break;
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case "uintSTR":
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d = e.toString("utf8", e.len, e.len + 10);
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a = parseInt(d), e.len += 10;
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break;
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default:
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n = n || {};
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var b = i.substr(0, 1);
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if("[" === b || "<" === b)
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{
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var h = "<" === b;
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a = [];
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var c = GetMiddleString(i);
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for(f = Read(e, "uint32"), u = 0; u < f && e.len <= e.length; u++)
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{
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h ? a[Read(e, "uint32")] = Read(e, c, void 0, n, l) : a[u] = Read(e, c, void 0, n, l);
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}
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}
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else
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{
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if("{" !== b)
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throw "Bad read type params: " + i;
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var g = n[i];
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g || (g = GetAttributes(GetMiddleString(i)), n[i] = g), a = {};
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for(u = 0; u < g.length; u++)
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{
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var v = g[u];
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a[v.Key] = Read(e, v.Value, void 0, n, l);
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}
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}
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}
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return a;
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};
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function BufWriteByte(e)
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{
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this[this.len] = e, this.len += 1;
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};
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function BufWrite(e,r,t)
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{
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Write(this, e, r, t);
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};
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function BufRead(e,r)
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{
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return Read(this, e, r);
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};
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function GetNewBuffer(e)
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{
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var r = Buffer.alloc(e);
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return r.Read = BufRead.bind(r), r.Write = BufWrite.bind(r), r.len = 0, r;
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};
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function GetReadBuffer(e)
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{
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var r = Buffer.from(e);
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return r.Read = BufRead.bind(r), r.Write = BufWrite.bind(r), r.len = 0, r;
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};
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function GetObjectFromBuffer(e,r,t,n)
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{
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var l = Buffer.from(e);
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return l.len = 0, Read(l, r, void 0, t, n);
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};
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function GetBufferFromObject(e,r,t,n,l)
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{
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var a = Buffer.alloc(t);
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return a.len = 0, Write(a, e, r, void 0, n), l || (a = a.slice(0, a.len)), a;
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};
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function GetMiddleString(e)
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{
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return e.substr(1, e.length - 2);
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};
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function GetMiddleString2(e,r,t)
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{
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for(var n = 0, l = "", a = 0; a < e.length; a++)
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{
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var i = e.substr(a, 1);
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if(" " !== i && "\n" !== i && (i !== r || 1 != ++n))
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{
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if(i === t && 0 === --n)
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break;
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n && (l += i);
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}
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}
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return l;
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};
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function GetAttributeStrings(e)
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{
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for(var r = 0, t = [], n = "", l = 0; l < e.length; l++)
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{
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var a = e.substr(l, 1);
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if("{" === a)
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r++;
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else
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if("}" === a)
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r--;
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else
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{
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if("," === a && 0 === r)
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{
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0 < n.length && t.push(n), n = "";
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continue;
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}
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if(" " === a || "\n" === a)
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continue;
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}
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n += a;
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}
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return 0 < n.length && t.push(n), t;
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};
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function GetKeyValueStrings(e)
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{
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for(var r = "", t = 0; t < e.length; t++)
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{
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var n = e.substr(t, 1);
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if(" " !== n && "\n" !== n)
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{
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if(":" === n)
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return {Key:r, Value:e.substr(t + 1)};
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r += n;
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}
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}
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throw "Error format Key:Value = " + e;
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};
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function GetAttributes(e)
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{
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for(var r = [], t = GetAttributeStrings(e), n = 0; n < t.length; n++)
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{
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var l = GetKeyValueStrings(t[n]);
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r.push(l);
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}
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return r;
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};
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module.exports.GetNewBuffer = GetNewBuffer, module.exports.GetReadBuffer = GetReadBuffer, module.exports.alloc = GetNewBuffer,
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module.exports.from = GetReadBuffer, module.exports.Write = Write, module.exports.Read = Read, module.exports.GetObjectFromBuffer = GetObjectFromBuffer,
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module.exports.GetBufferFromObject = GetBufferFromObject;
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