Xojo Plugin

Set Entry Filepath (in output Zip) when Zipping

Demonstrates how to set the path for the file entry within the .zip to something different than the path in the filesystem. Xojo Plugin

Dim success As Boolean
success = False

// This requires the Chilkat Zip API to have been previously unlocked.
// See Unlock Chilkat Zip for sample code.

Dim zip As New Chilkat.Zip

success = zip.NewZip("qa_output/zipA.zip")

// When an absolute filepath is passed to AddFile, the path within the .zip
// will be one of two values:  (1) just the filename part if saveExtraPath is False,
// or (2) the full absolute path, but made relative, if saveExtraPath is True.
// (For example, "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" made relative is 
// "ck2000/appData/UnitTest/qa_data/hamlet.xml")
Dim saveExtraPath As Boolean
saveExtraPath = False
success = zip.AddFile("c:/ck2000/appData/UnitTest/qa_data/hamlet.xml",saveExtraPath)
If (success = False) Then
    System.DebugLog(zip.LastErrorText)
    Return
End If

// When a relative path is passed to AddFile, then saveExtraPath does not apply.
// For example, assume our current working directory is "c:/ck2000/appData/UnitTest".  The following
// call to AddFile creates an entry with the filepath "qa_data/hamlet.xml".
success = zip.AddFile("qa_data/hamlet.xml",saveExtraPath)
If (success = False) Then
    System.DebugLog(zip.LastErrorText)
    Return
End If

// Examine the entries
Dim entry As New Chilkat.ZipEntry
Dim numEntries As Int32
numEntries = zip.NumEntries
Dim i As Int32
i = 0
While i < numEntries
    success = zip.EntryAt(i,entry)
    System.DebugLog(Str(i) + ": " + entry.FileName)
    i = i + 1
Wend

// The output so far is:

// 	0: hamlet.xml
// 	1: qa_data/hamlet.xml

// If we write the .zip as-is, then the zip will have two entries
// with the filepaths as shown above.

// This writes "qa_output/zipA.zip"
success = zip.WriteZip()

// Now change the entry filepaths to whatever is desired.
success = zip.EntryOf("hamlet.xml",entry)
If (success = False) Then
    System.DebugLog("entry not found")
    Return
End If

entry.FileName = "Shakespeare/Claudius1.xml"

success = zip.EntryOf("qa_data/hamlet.xml",entry)
If (success = False) Then
    System.DebugLog("entry not found")
    Return
End If

entry.FileName = "Shakespeare/Claudius2.xml"

// Change the name of the .zip to be written and write again:
zip.FileName = "qa_output/zipB.zip"
success = zip.WriteZipAndClose()
If (success <> True) Then
    System.DebugLog(zip.LastErrorText)
Else
    System.DebugLog("Zip created!")
End If

// Examine both zipA.zip and zipB.zip using 7zip (or another tool) to see the differences.