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(C) Demonstrate Binary Data Encoding MethodsDemonstrates binary data encoding methods. Note: This example requires Chilkat v9.5.0.64 or later.
#include <C_CkBinData.h> #include <C_CkStringBuilder.h> void ChilkatSample(void) { HCkBinData binData; int offset; int numBytes; HCkStringBuilder sb; binData = CkBinData_Create(); // Append 10 bytes: 00, 01, 02, 03, 04, 05, 06, 07, 08, 09 CkBinData_AppendEncoded(binData,"00010203040506070809","hex"); // Show that binData contains 10 bytes. printf("num bytes = %d\n",CkBinData_getNumBytes(binData)); // Get as base64 printf("base64: %s\n",CkBinData_getEncoded(binData,"base64")); // Get a chunk of the binary data. // The 1st byte is at index 0. // The output should be "02030405" offset = 2; numBytes = 4; printf("chunk: %s\n",CkBinData_getEncodedChunk(binData,offset,numBytes,"hex")); // Copy the bytes to a StringBuilder using the base64url encoding sb = CkStringBuilder_Create(); CkBinData_GetEncodedSb(binData,"base64url",sb); printf("base64url: %s\n",CkStringBuilder_getAsString(sb)); // Remove a chunk from the binary data offset = 2; numBytes = 4; CkBinData_RemoveChunk(binData,offset,numBytes); // The bytes remaining are 00,01,06,07,08,and 09 printf("after removing chunk: %s\n",CkBinData_getEncoded(binData,"hex")); CkBinData_Dispose(binData); CkStringBuilder_Dispose(sb); } |
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