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(C++) Compress String Feed to Base64This example receives incoming text data in chunks, compresses as a stream, and accumulates the compressed data in base64. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkStringBuilder.h> #include <CkCompression.h> #include <CkBinData.h> void ChilkatSample(void) { bool success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkStringBuilder sbCompressedBase64; CkCompression compress; compress.put_Algorithm("deflate"); compress.put_Charset("utf-8"); compress.put_EncodingMode("base64"); compress.put_FirstChunk(true); compress.put_LastChunk(false); CkBinData bdCompressed; CkStringBuilder sbUncompressedChunk; int i; for (i = 0; i <= 24; i++) { if (i == 24) { compress.put_LastChunk(true); } sbUncompressedChunk.Clear(); sbUncompressedChunk.AppendInt(i); sbUncompressedChunk.Append(": This is a line of data to be compressed...\r\n"); compress.CompressSb(sbUncompressedChunk,bdCompressed); compress.put_FirstChunk(false); } std::cout << "The base64 encoded compressed text:" << "\r\n"; std::cout << bdCompressed.getEncoded("base64") << "\r\n"; // Decompress in one call: const char *originalText = compress.decompressStringENC(bdCompressed.getEncoded("base64")); std::cout << originalText << "\r\n"; } |
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