67 lines
1.4 KiB
Plaintext
67 lines
1.4 KiB
Plaintext
/*
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文件名:BlobExClass.nut
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路径:BaseClass/BaseTool/BlobExClass.nut
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创建日期:2024-05-07 17:34
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文件用途:拓展的Blob类
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*/
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class blobex extends blob {
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//-----------------Metamethods--------------------//
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function _typeof() {
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return "blobex";
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}
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//-----------------Metamethods--------------------//
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constructor(arg) {
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//通过blob构造
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if (typeof arg == "blob") {
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base.constructor(arg.len());
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writeblob(arg);
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}
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//直接构造
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else {
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base.constructor(arg);
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}
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}
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function writeblob(B) {
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base.writeblob(B);
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seek(0);
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}
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function GetUShort() {
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return readn('w');
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}
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function GetShort() {
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return readn('s');
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}
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function charPtrToInt(arr) {
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local value = ((arr[0]) << 0) |
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((arr[1]) << 8) |
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((arr[2]) << 16) |
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((arr[3]) << 24);
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return value;
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}
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function GetInt() {
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local CurTPos = tell();
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local Ret = charPtrToInt([this[CurTPos], this[CurTPos + 1], this[CurTPos + 2], this[CurTPos + 3]]);
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seek(4, 'c');
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return Ret;
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}
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function Get256() {
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local Buf = readn('c');
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return (256.0 + Buf.tofloat()) % 256.0;
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}
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function GetFloat() {
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return readn('f');
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}
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function GetString(count) {
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return stream_myreadstring(count);
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}
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} |