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DataFlex Examples

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(DataFlex) IMAP Get List of Flags

When a mailbox is selected, the server response includes a list of flags:

The FLAGS response occurs as a result of a SELECT or EXAMINE command. The flag parenthesized list identifies the flags (at a minimum, the system-defined flags) that are applicable for this mailbox. Flags other than the system flags can also exist, depending on server implementation.
This example demonstrates how to capture the SELECT (or EXAMINE) response, and parse the list of flags.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoImap
    Boolean iSuccess
    String sSelectResponse
    Handle hoSbResponse
    Variant vSbFlagList
    Handle hoSbFlagList
    Integer iNumReplaced
    Handle hoFlagsTable
    Integer i
    String sTemp1

    Get Create (RefClass(cComChilkatImap)) To hoImap
    If (Not(IsComObjectCreated(hoImap))) Begin
        Send CreateComObject of hoImap
    End

    //  This example assumes Chilkat Imap to have been previously unlocked.
    //  See Unlock Imap for sample code.

    //  Connect to an IMAP server.
    //  Use TLS
    Set ComSsl Of hoImap To True
    Set ComPort Of hoImap To 993
    Get ComConnect Of hoImap "MY-IMAP-DOMAIN" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  Login
    Get ComLogin Of hoImap "MY-IMAP-LOGIN" "MY-IMAP-PASSWORD" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  Select an IMAP mailbox
    Get ComSelectMailbox Of hoImap "INBOX" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  The LastResponse property contains the full response of the last command.
    Get ComLastResponse Of hoImap To sSelectResponse
    Showln sSelectResponse

    //  For example, on GMail, the SELECT response looks like this:

    //  	* FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk)
    //  	* OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk \*)] Flags permitted.
    //  	* OK [UIDVALIDITY 3] UIDs valid.
    //  	* 46 EXISTS
    //  	* 0 RECENT
    //  	* OK [UIDNEXT 4147] Predicted next UID.
    //  	* OK [HIGHESTMODSEQ 402971]
    //  	aaac OK [READ-WRITE] INBOX selected. (Success)

    //  The goal of this example is to capture the list of FLAGS.
    //  All IMAP servers will respond with the list of flags in a SPACE separated list enclosed in parentheses.

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponse
    If (Not(IsComObjectCreated(hoSbResponse))) Begin
        Send CreateComObject of hoSbResponse
    End
    Get ComAppend Of hoSbResponse sSelectResponse To iSuccess

    //  Get just the list of flags:
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbFlagList
    If (Not(IsComObjectCreated(hoSbFlagList))) Begin
        Send CreateComObject of hoSbFlagList
    End
    Get ComGetAfterBetween Of hoSbResponse "* FLAGS" "(" ")" To sTemp1
    Get ComAppend Of hoSbFlagList sTemp1 To iSuccess
    Get ComGetAsString Of hoSbFlagList To sTemp1
    Showln sTemp1

    //  sbFlagList contains this:
    // 
    //      \Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk
    // 

    //  Make sure no more than one SPACE char in a row exists.
    Get ComTrimInsideSpaces Of hoSbFlagList To iSuccess
    //  Modify sbFlagList to one flag per line
    Get ComReplace Of hoSbFlagList " " (character(13)) + (character(10)) To iNumReplaced

    //  Load a StringTable with the flag names.
    Get Create (RefClass(cComChilkatStringTable)) To hoFlagsTable
    If (Not(IsComObjectCreated(hoFlagsTable))) Begin
        Send CreateComObject of hoFlagsTable
    End
    Get pvComObject of hoSbFlagList to vSbFlagList
    Get ComAppendFromSb Of hoFlagsTable vSbFlagList To iSuccess

    //  Iterate over the individual flag names:
    Move 0 To i
    While (i < (ComCount(hoFlagsTable)))
        Get ComStringAt Of hoFlagsTable i To sTemp1
        Showln i ": " sTemp1
        Move i + 1 To i
    Loop

    //  The output is:
    // 
    //  	0: \Answered
    //  	1: \Flagged
    //  	2: \Draft
    //  	3: \Deleted
    //  	4: \Seen
    //  	5: $Forwarded
    //  	6: $NotPhishing
    //  	7: $Phishing
    //  	8: $label1
    //  	9: $label2
    //  	10: $label3
    //  	11: $label4
    //  	12: $label5
    //  	13: Junk
    //  	14: NonJunk
    // 


End_Procedure

 

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