UnCompress Method of ZLib class

Method | Member of  ScriptUtils.ZLib | Changes | Purchase | Download

Description

Uncompress source data and returns the uncompressed data ByteArray or String.

Syntax

vUnCompress = ZLib.UnCompress (Source as Variant, [OutputType as OutputTypes = otByteArray])
 

Where Type Optional Default Description
 Source  Variant     Source data to compress. ByteArray or String 
 OutputType  OutputTypes  yes  otByteArray  Type for the return value. One of ByteArray, Variant ByteArray, String or MultiByte String 

Returns

Variant

Returns

This function returns variant containing ByteArray, variant ByteArray, String or MultiByte string.

Examples

ZLib - Accept compressed data on server-side ASP

<%
ReceiveFile()

'Server-side function
'This function accepts and saves uploaded data compressed by the Compress method on the servers ASP
Sub ReceiveFile()
  Dim SourceData, FileName, FileContents, ByteArray
  
  'Test if this is request from our client
  FileName = Request.ServerVariables("HTTP_FILENAME")
  If FileName <> "" Then 'This is a request from our client
    'Read compressed file from the source stream
    SourceData = Request.BinaryRead(Request.TotalBytes)
    
    'Uncompress the source file
    Set ZLib = CreateObject("ScriptUtils.ZLib")
    Set FileContents = ZLib.UnCompress(SourceData)
    
    'Save source file to the destination directory (current directory)
    FileContents.SaveAs Server.MapPath(GetFileName(FileName))
  End If
End Sub

Function GetFileName(FullPath)
  'Returns file name from full path
  Dim Pos
  Pos = InstrRev(FullPath, "\")
  GetFileName = Mid(FullPath, Pos + 1)
End Function
%>

See also

ZLib.Compress

Other links for UnCompress

Methods of ZLib class

Compress, UnCompress

ScriptUtils.ZLib

Implements zlib Compress and Uncompress functions. Lets you compress/uncompress files, or send compressed data over http/https connections.

This class has Win32/X86 version

ScriptUtils

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