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(Unicode C) Append Encoded Binary Data to StringBuilderDemonstrates how to append encoded binary data to the contenets of a StringBuilder.
#include <C_CkBinDataW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkBinDataW bd; BOOL success; HCkStringBuilderW sb; bd = CkBinDataW_Create(); success = CkBinDataW_LoadFile(bd,L"qa_data/jpg/starfish.jpg"); if (success == FALSE) { wprintf(L"Failed to load file.\n"); CkBinDataW_Dispose(bd); return; } // For example, let's say we want construct simple JSON containing the base64 representation of the above JPG file. sb = CkStringBuilderW_Create(); CkStringBuilderW_Append(sb,L"{ \"jpg\": \""); // GetEncodedSb appends the enocded representation of the binary data to the StringBuiler passed in the 2nd arg. CkBinDataW_GetEncodedSb(bd,L"base64",sb); CkStringBuilderW_Append(sb,L"\" }"); wprintf(L"%s\n",CkStringBuilderW_getAsString(sb)); // Output looks like this: // { "jpg": "/9j/4AAQSkZJRgABAg...rcQ+vo//2Q==" } CkBinDataW_Dispose(bd); CkStringBuilderW_Dispose(sb); } |
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