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(DataFlex) Convert MIME to XML

Demonstrates how to convert MIME to XML, and how to access the MIME parts and data from XML.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoMime
    Boolean iSuccess
    String sXmlStr
    Variant vXml
    Handle hoXml
    String sHtmlContent
    String sNotUsed
    Variant hoJpgBytes
    String sTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatMime)) To hoMime
    If (Not(IsComObjectCreated(hoMime))) Begin
        Send CreateComObject of hoMime
    End

    // The contents of this MIME file are shown below, 
    // and is also available at https://www.chilkatsoft.com/sampleMime.txt
    Get ComLoadMimeFile Of hoMime "qa_data/mime/sampleMime.txt" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoMime To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // The MIME used in this example has the following nested structure
    // 
    // multipart/alternative
    //     text/plain
    //     multipart/related
    //         text/html
    //         image/jpeg
    // 

    // Convert to XML.
    Get ComGetXml Of hoMime To sXmlStr

    // Load into a Chilkat XML object so we can emit in indented format.
    // (and also to demonstrate how to access the MIME content from XML).
    Get Create (RefClass(cComChilkatXml)) To hoXml
    If (Not(IsComObjectCreated(hoXml))) Begin
        Send CreateComObject of hoXml
    End
    Get ComLoadXml Of hoXml sXmlStr To iSuccess
    // The XML emitted by this statement is shown below, following the remainder of sample code.
    Get ComGetXml Of hoXml To sTemp1
    Showln sTemp1

    // To get the top-level Subject header field:
    Get ComChilkatPath Of hoXml "header|subject|*" To sTemp1
    Showln "Subject = " sTemp1

    // Another way of getting the Subject:
    Get ComFirstChild2 Of hoXml To iSuccess
    Get ComGetChildContent Of hoXml "subject" To sTemp1
    Showln "Subject = " sTemp1
    Send ComGetRoot2 To hoXml

    // Using the Chilkat XML API, there are many different ways of accomplishing a goal.
    // This example shows only a few possibilities...

    // Let's go to the <body> tag containing the HTML.
    // First we find the XML node where the content-type is text/html.
    // (XML methods ending in "2" update the internal reference to the XML node.)
    Get pvComObject of hoXml to vXml
    Get ComSearchForContent2 Of hoXml vXml "content-type" "text/html" To iSuccess
    If (iSuccess = True) Begin
        // From this point, we know the HTML content is two levels up (to the <mime_message> node),
        // and one level down (to the <body> node).  We can get the HTML content from here:
        Get ComChilkatPath Of hoXml "..|..|body|*" To sHtmlContent
        Showln sHtmlContent
        Showln "-"
    End

    // Back to the root...
    Send ComGetRoot2 To hoXml

    // How to iterate over all image/jpeg bodies and access the bytes of each?
    Get pvComObject of hoXml to vXml
    Get ComSearchForContent2 Of hoXml vXml "content-type" "image/jpeg" To iSuccess
    While (iSuccess = True)
        // "$" in the Chilkat path indicates to update the internal reference of the caller
        // if the path could be traversed.
        Get ComChilkatPath Of hoXml "..|..|body|$" To sNotUsed
        Get ComLastMethodSuccess Of hoXml To bTemp1
        If (bTemp1 = True) Begin

            Get ComGetBinaryContent Of hoXml False False "" To hoJpgBytes

            Showln "Found JPG image!"

            // Find the next JPG image.
            Get pvComObject of hoXml to vXml
            Get ComSearchForContent2 Of hoXml vXml "content-type" "image/jpeg" To iSuccess
        End
        Else Begin
            Move False To iSuccess
        End

    Loop

    // --------------------------------------------------------------
    // --------------------------------------------------------------
    // The MIME converted to XML:

    // <?xml version="1.0" encoding="utf-8" ?>
    // <mime_message>
    //     <header>
    //         <subject>Test email.</subject>
    //         <content-type boundary="------------DB171738719FB06D67DEBAA0">multipart/alternative</content-type>
    //         <mime-version>1.0</mime-version>
    //     </header>
    //     <body>
    //         <subpart>
    //             <mime_message>
    //                 <header>
    //                     <content-type charset="utf-8" format="flowed">text/plain</content-type>
    //                     <content-transfer-encoding>7bit</content-transfer-encoding>
    //                 </header>
    //                 <body><![CDATA[This is a test.
    // ]]></body>
    //             </mime_message>
    //         </subpart>
    //         <subpart>
    //             <mime_message>
    //                 <header>
    //                     <content-type boundary="------------A940F1230E6F0105F03DB2CB">multipart/related</content-type>
    //                 </header>
    //                 <body>
    //                     <subpart>
    //                         <mime_message>
    //                             <header>
    //                                 <content-type charset="utf-8">text/html</content-type>
    //                                 <content-transfer-encoding>8bit</content-transfer-encoding>
    //                             </header>
    //                             <body><![CDATA[<html><head>
    // <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    //   </head>
    //   <body bgcolor="#FFFFFF" text="#000000">
    //     <p>This is a test.&nbsp; <img src="cid:part1.E16AE3B4.1505C436@chilkatsoft.com" height="20" width="20"></p>
    //   </body>
    // </html>
    // ]]></body>
    //                         </mime_message>
    //                     </subpart>
    //                     <subpart>
    //                         <mime_message>
    //                             <header>
    //                                 <content-type name="starfish20.jpg">image/jpeg</content-type>
    //                                 <content-transfer-encoding>base64</content-transfer-encoding>
    //                                 <content-id>&lt;part1.E16AE3B4.1505C436@chilkatsoft.com&gt;</content-id>
    //                                 <content-disposition filename="starfish20.jpg">inline</content-disposition>
    //                             </header>
    //                             <body>/9j/4AAQSkZJRgABAQEASABIAAD//gAmRmlsZSB3cml0dGVuIGJ5IEFkb2JlIFBob3Rvc2hvcD8g
    // NC4w/9sAQwAQCwwODAoQDg0OEhEQExgoGhgWFhgxIyUdKDozPTw5Mzg3QEhcTkBEV0U3OFBtUVdf
    // YmdoZz5NcXlwZHhcZWdj/9sAQwEREhIYFRgvGhovY0I4QmNjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj
    // Y2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj/8IAEQgAFAAUAwERAAIRAQMRAf/EABcAAAMBAAAA
    // AAAAAAAAAAAAAAIDBAX/xAAYAQADAQEAAAAAAAAAAAAAAAABAgMEAP/aAAwDAQACEAMQAAAB2kZY
    // NNEijWKddfTmLgALWH//xAAbEAACAgMBAAAAAAAAAAAAAAABAgMRAAQSE//aAAgBAQABBQL0XqN+
    // pM2aqJGMiqFFCyg7z//EABwRAAICAgMAAAAAAAAAAAAAAAERAAIQIQMSUf/aAAgBAwEBPwHqU5aq
    // Axx+y1tMQl4elj//xAAcEQEAAQUBAQAAAAAAAAAAAAABEQACEBIhA1H/2gAIAQIBAT8B3Bhqy7Zc
    // enyiwmGgDhiOzj//xAAdEAABAwUBAAAAAAAAAAAAAAABAAIREBIhIkFR/9oACAEBAAY/ArZyn+Cg
    // xtxWuJaoCnqDuin/xAAcEAABBAMBAAAAAAAAAAAAAAABABEhYRAxQVH/2gAIAQEAAT8hkEwPUUR9
    // DYfE4nxtRpIkBTsayuALIiuY/9oADAMBAAIAAwAAABDWPTsf/8QAGhEAAwADAQAAAAAAAAAAAAAA
    // AAEREDFBIf/aAAgBAwEBPxC0DVPcWm+Ce4OesrkE6bjH/8QAGBEBAQEBAQAAAAAAAAAAAAAAAREA
    // QRD/2gAIAQIBAT8QahMiOc8YgSrnTY3ELclHXn//xAAcEAEBAAIDAQEAAAAAAAAAAAABEQAhMUFx
    // EFH/2gAIAQEAAT8Qn3igmSZSj+c4N4zapMy9IjFV98wncN2iuLFsCEbDGxQkI6RO/n//2Q==</body>
    //                         </mime_message>
    //                     </subpart>
    //                 </body>
    //             </mime_message>
    //         </subpart>
    //     </body>
    // </mime_message>
    // 

    // --------------------------------------------------------------
    // --------------------------------------------------------------
    // The MIME sample file loaded at the beginning of this example
    // contains the following MIME:

    // Subject: Test email.
    // Content-Type: multipart/alternative;
    // 	boundary="------------DB171738719FB06D67DEBAA0"
    // MIME-Version: 1.0
    // 
    // --------------DB171738719FB06D67DEBAA0
    // Content-Type: text/plain; charset="utf-8"; format=flowed
    // Content-Transfer-Encoding: 7bit
    // 
    // This is a test.
    // 
    // --------------DB171738719FB06D67DEBAA0
    // Content-Type: multipart/related;
    // 	boundary="------------A940F1230E6F0105F03DB2CB"
    // 
    // --------------A940F1230E6F0105F03DB2CB
    // Content-Type: text/html; charset="utf-8"
    // Content-Transfer-Encoding: 8bit
    // 
    // <html><head>
    // <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    //   </head>
    //   <body bgcolor="#FFFFFF" text="#000000">
    //     <p>This is a test.&nbsp; <img src="cid:part1.E16AE3B4.1505C436@chilkatsoft.com" height="20" width="20"></p>
    //   </body>
    // </html>
    // 
    // --------------A940F1230E6F0105F03DB2CB
    // Content-Type: image/jpeg; name="starfish20.jpg"
    // Content-Transfer-Encoding: base64
    // Content-ID: <part1.E16AE3B4.1505C436@chilkatsoft.com>
    // Content-Disposition: inline; filename="starfish20.jpg"
    // 
    // /9j/4AAQSkZJRgABAQEASABIAAD//gAmRmlsZSB3cml0dGVuIGJ5IEFkb2JlIFBob3Rvc2hvcD8g
    // NC4w/9sAQwAQCwwODAoQDg0OEhEQExgoGhgWFhgxIyUdKDozPTw5Mzg3QEhcTkBEV0U3OFBtUVdf
    // YmdoZz5NcXlwZHhcZWdj/9sAQwEREhIYFRgvGhovY0I4QmNjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj
    // Y2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj/8IAEQgAFAAUAwERAAIRAQMRAf/EABcAAAMBAAAA
    // AAAAAAAAAAAAAAIDBAX/xAAYAQADAQEAAAAAAAAAAAAAAAABAgMEAP/aAAwDAQACEAMQAAAB2kZY
    // NNEijWKddfTmLgALWH//xAAbEAACAgMBAAAAAAAAAAAAAAABAgMRAAQSE//aAAgBAQABBQL0XqN+
    // pM2aqJGMiqFFCyg7z//EABwRAAICAgMAAAAAAAAAAAAAAAERAAIQIQMSUf/aAAgBAwEBPwHqU5aq
    // Axx+y1tMQl4elj//xAAcEQEAAQUBAQAAAAAAAAAAAAABEQACEBIhA1H/2gAIAQIBAT8B3Bhqy7Zc
    // enyiwmGgDhiOzj//xAAdEAABAwUBAAAAAAAAAAAAAAABAAIREBIhIkFR/9oACAEBAAY/ArZyn+Cg
    // xtxWuJaoCnqDuin/xAAcEAABBAMBAAAAAAAAAAAAAAABABEhYRAxQVH/2gAIAQEAAT8hkEwPUUR9
    // DYfE4nxtRpIkBTsayuALIiuY/9oADAMBAAIAAwAAABDWPTsf/8QAGhEAAwADAQAAAAAAAAAAAAAA
    // AAEREDFBIf/aAAgBAwEBPxC0DVPcWm+Ce4OesrkE6bjH/8QAGBEBAQEBAQAAAAAAAAAAAAAAAREA
    // QRD/2gAIAQIBAT8QahMiOc8YgSrnTY3ELclHXn//xAAcEAEBAAIDAQEAAAAAAAAAAAABEQAhMUFx
    // EFH/2gAIAQEAAT8Qn3igmSZSj+c4N4zapMy9IjFV98wncN2iuLFsCEbDGxQkI6RO/n//2Q==
    // 
    // --------------A940F1230E6F0105F03DB2CB--
    // 
    // --------------DB171738719FB06D67DEBAA0--
    // 


End_Procedure

 

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