DataFlex

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. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoZip
    Boolean iSaveExtraPath
    Variant vEntry
    Handle hoEntry
    Integer iNumEntries
    Integer i
    String sTemp1

    Move False To iSuccess

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

    Get Create (RefClass(cComChilkatZip)) To hoZip
    If (Not(IsComObjectCreated(hoZip))) Begin
        Send CreateComObject of hoZip
    End

    Get ComNewZip Of hoZip "qa_output/zipA.zip" To iSuccess

    // 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")
    Move False To iSaveExtraPath
    Get ComAddFile Of hoZip "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" iSaveExtraPath To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // 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".
    Get ComAddFile Of hoZip "qa_data/hamlet.xml" iSaveExtraPath To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Examine the entries
    Get Create (RefClass(cComChilkatZipEntry)) To hoEntry
    If (Not(IsComObjectCreated(hoEntry))) Begin
        Send CreateComObject of hoEntry
    End
    Get ComNumEntries Of hoZip To iNumEntries
    Move 0 To i
    While (i < iNumEntries)
        Get pvComObject of hoEntry to vEntry
        Get ComEntryAt Of hoZip i vEntry To iSuccess
        Get ComFileName Of hoEntry To sTemp1
        Showln i ": " sTemp1
        Move (i + 1) To i
    Loop

    // 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"
    Get ComWriteZip Of hoZip To iSuccess

    // Now change the entry filepaths to whatever is desired.
    Get pvComObject of hoEntry to vEntry
    Get ComEntryOf Of hoZip "hamlet.xml" vEntry To iSuccess
    If (iSuccess = False) Begin
        Showln "entry not found"
        Procedure_Return
    End

    Set ComFileName Of hoEntry To "Shakespeare/Claudius1.xml"

    Get pvComObject of hoEntry to vEntry
    Get ComEntryOf Of hoZip "qa_data/hamlet.xml" vEntry To iSuccess
    If (iSuccess = False) Begin
        Showln "entry not found"
        Procedure_Return
    End

    Set ComFileName Of hoEntry To "Shakespeare/Claudius2.xml"

    // Change the name of the .zip to be written and write again:
    Set ComFileName Of hoZip To "qa_output/zipB.zip"
    Get ComWriteZipAndClose Of hoZip To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
    End
    Else Begin
        Showln "Zip created!"
    End

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


End_Procedure