Samuel Kent
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.AsfUtil = void 0;
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const util = require("../common/Util");
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const Token = require("token-types");
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class AsfUtil {
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static getParserForAttr(i) {
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return AsfUtil.attributeParsers[i];
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}
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static parseUnicodeAttr(buf) {
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return util.stripNulls(util.decodeString(buf, 'utf16le'));
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}
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static parseByteArrayAttr(buf) {
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const newBuf = Buffer.alloc(buf.length);
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buf.copy(newBuf);
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return newBuf;
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}
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static parseBoolAttr(buf, offset = 0) {
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return AsfUtil.parseWordAttr(buf, offset) === 1;
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}
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static parseDWordAttr(buf, offset = 0) {
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return buf.readUInt32LE(offset);
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}
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static parseQWordAttr(buf, offset = 0) {
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return Token.UINT64_LE.get(buf, offset);
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}
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static parseWordAttr(buf, offset = 0) {
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return buf.readUInt16LE(offset);
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}
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}
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exports.AsfUtil = AsfUtil;
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AsfUtil.attributeParsers = [
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AsfUtil.parseUnicodeAttr,
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AsfUtil.parseByteArrayAttr,
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AsfUtil.parseBoolAttr,
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AsfUtil.parseDWordAttr,
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AsfUtil.parseQWordAttr,
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AsfUtil.parseWordAttr,
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AsfUtil.parseByteArrayAttr
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];
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