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(Node.js) Append Big-Endian or Little-Endian IntegersDemonstrates how to append integers in big-endian or little-endian byte order to a BinData. Note: This example requires Chilkat v9.5.0.77 or greater.
var os = require('os'); if (os.platform() == 'win32') { if (os.arch() == 'ia32') { var chilkat = require('@chilkat/ck-node21-win-ia32'); } else { var chilkat = require('@chilkat/ck-node21-win64'); } } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node21-arm'); } else if (os.arch() == 'x86') { var chilkat = require('@chilkat/ck-node21-linux32'); } else { var chilkat = require('@chilkat/ck-node21-linux64'); } } else if (os.platform() == 'darwin') { if (os.arch() == 'arm64') { var chilkat = require('@chilkat/ck-node21-mac-m1'); } else { var chilkat = require('@chilkat/ck-node21-macosx'); } } function chilkatExample() { var bd = new chilkat.BinData(); // The hex value of decimal 123456789 is 0x075BCD15 var x = 123456789; // Appending little-endian causes bytes to be // appended in the order 0x15, 0xCD, 0x5B, 0x07 var littleEndian = true; var success = bd.AppendInt4(x,littleEndian); console.log(bd.GetEncoded("hex")); // Output is: 15CD5B07 // Now append the same integer in big-endian byte order. // Appending bit-endian causes bytes to be // appended in the order 0x07, 0x5B, 0xCD, 0x15 littleEndian = false; bd.AppendInt4(x,littleEndian); console.log(bd.GetEncoded("hex")); // bd now contains: 15CD5B07075BCD15 // ------------------------------------------- // Now do the same thing with 16-bit integers bd.Clear(); // 1234 decimal = 0x04D2 hex. x = 1234; littleEndian = true; bd.AppendInt2(x,littleEndian); console.log(bd.GetEncoded("hex")); // Output is: D204 littleEndian = false; bd.AppendInt2(x,littleEndian); console.log(bd.GetEncoded("hex")); // Output is now: D20404D2 } chilkatExample(); |
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