Xbase++

Create Zip in a BinData Object

See more Zip Examples

Recursively appends files in a directory tree and writes a zip archive into a Chilkat BinData object. Xbase++

LOCAL nSuccess
LOCAL oZip
LOCAL nRecurse
LOCAL oBdZip
LOCAL cZipAsBase64

nSuccess := 0

//  This example assumes the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

oZip := CreateObject("Chilkat.Zip")

//  Initialize the zip object.  Because we will never actually write a zip file to the filesystem,
//  the filepath passed to NewZip does not matter.
nSuccess := oZip:NewZip("x.zip")
IF (nSuccess != 1)
    ? oZip:LastErrorText
    oZip:destroy()
    RETURN
ENDIF

//  Append a directory tree.  The call to AppendFiles does
//  not read the file contents or append them to the zip
//  object in memory.  It simply appends references
//  to the files so that when WriteBd, WriteZip, or WriteZipAndClose 
//  is called, the referenced files are streamed and compressed
//  into the .zip output file (or BinData object).

nRecurse := 1
nSuccess := oZip:AppendFiles("c:/temp/a/*", nRecurse)
IF (nSuccess != 1)
    ? oZip:LastErrorText
    oZip:destroy()
    RETURN
ENDIF

//  Write the zip archive into the bdZip object.
oBdZip := CreateObject("Chilkat.BinData")
nSuccess := oZip:WriteBd(oBdZip)
IF (nSuccess != 1)
    ? oZip:LastErrorText
    oZip:destroy()
    oBdZip:destroy()
    RETURN
ENDIF

//  We could directly access the bytes of the zip archive, or perhaps
//  get the zip bytes in base64 format.
cZipAsBase64 := oBdZip:GetEncoded("base64")
? cZipAsBase64

//  Or the zip can be used by some other Chilkat method call that accepts
//  a BinData object as an argument.

oZip:destroy()
oBdZip:destroy()