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(Xojo Plugin) 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.
Dim success As Boolean success = False // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Dim sbCompressedBase64 As New Chilkat.StringBuilder Dim compress As New Chilkat.Compression compress.Algorithm = "deflate" compress.Charset = "utf-8" compress.EncodingMode = "base64" compress.FirstChunk = True compress.LastChunk = False Dim bdCompressed As New Chilkat.BinData Dim sbUncompressedChunk As New Chilkat.StringBuilder Dim i As Int32 For i = 0 To 24 If (i = 24) Then compress.LastChunk = True End If sbUncompressedChunk.Clear success = sbUncompressedChunk.AppendInt(i) success = sbUncompressedChunk.Append(": This is a line of data to be compressed..." + EndOfLine.Windows) success = compress.CompressSb(sbUncompressedChunk,bdCompressed) compress.FirstChunk = False Next System.DebugLog("The base64 encoded compressed text:") System.DebugLog(bdCompressed.GetEncoded("base64")) // Decompress in one call: Dim originalText As String originalText = compress.DecompressStringENC(bdCompressed.GetEncoded("base64")) System.DebugLog(originalText) |
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