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(Classic ASP) 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.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% success = 0 ' This example assumes the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. set sbCompressedBase64 = Server.CreateObject("Chilkat.StringBuilder") set compress = Server.CreateObject("Chilkat.Compression") compress.Algorithm = "deflate" compress.Charset = "utf-8" compress.EncodingMode = "base64" compress.FirstChunk = 1 compress.LastChunk = 0 set bdCompressed = Server.CreateObject("Chilkat.BinData") set sbUncompressedChunk = Server.CreateObject("Chilkat.StringBuilder") For i = 0 To 24 If (i = 24) Then compress.LastChunk = 1 End If sbUncompressedChunk.Clear success = sbUncompressedChunk.AppendInt(i) success = sbUncompressedChunk.Append(": This is a line of data to be compressed..." & vbCrLf) success = compress.CompressSb(sbUncompressedChunk,bdCompressed) compress.FirstChunk = 0 Next Response.Write "<pre>" & Server.HTMLEncode( "The base64 encoded compressed text:") & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( bdCompressed.GetEncoded("base64")) & "</pre>" ' Decompress in one call: originalText = compress.DecompressStringENC(bdCompressed.GetEncoded("base64")) Response.Write "<pre>" & Server.HTMLEncode( originalText) & "</pre>" %> </body> </html> |
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