Objective-C
Objective-C
Convert MIME to XML
See more MIME Examples
Demonstrates how to convert MIME to XML, and how to access the MIME parts and data from XML.Chilkat Objective-C Downloads
#import <CkoMime.h>
#import <NSString.h>
#import <CkoXml.h>
BOOL success = NO;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
CkoMime *mime = [[CkoMime alloc] init];
// The contents of this MIME file are shown below,
// and is also available at https://www.chilkatsoft.com/sampleMime.txt
success = [mime LoadMimeFile: @"qa_data/mime/sampleMime.txt"];
if (success != YES) {
NSLog(@"%@",mime.LastErrorText);
return;
}
// The MIME used in this example has the following nested structure
//
// multipart/alternative
// text/plain
// multipart/related
// text/html
// image/jpeg
//
// Convert to XML.
NSString *xmlStr = [mime GetXml];
// 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).
CkoXml *xml = [[CkoXml alloc] init];
[xml LoadXml: xmlStr];
// The XML emitted by this statement is shown below, following the remainder of sample code.
NSLog(@"%@",[xml GetXml]);
// To get the top-level Subject header field:
NSLog(@"%@%@",@"Subject = ",[xml ChilkatPath: @"header|subject|*"]);
// Another way of getting the Subject:
[xml FirstChild2];
NSLog(@"%@%@",@"Subject = ",[xml GetChildContent: @"subject"]);
[xml GetRoot2];
// 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.)
success = [xml SearchForContent2: xml tag: @"content-type" contentPattern: @"text/html"];
if (success == YES) {
// 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:
NSString *htmlContent = [xml ChilkatPath: @"..|..|body|*"];
NSLog(@"%@",htmlContent);
NSLog(@"%@",@"-");
}
// Back to the root...
[xml GetRoot2];
// How to iterate over all image/jpeg bodies and access the bytes of each?
success = [xml SearchForContent2: xml tag: @"content-type" contentPattern: @"image/jpeg"];
while (success == YES) {
// "$" in the Chilkat path indicates to update the internal reference of the caller
// if the path could be traversed.
NSString *notUsed = [xml ChilkatPath: @"..|..|body|$"];
if (xml.LastMethodSuccess == YES) {
NSData jpgBytes;
jpgBytes = [xml GetBinaryContent: NO decryptFlag: NO password: @""];
NSLog(@"%@",@"Found JPG image!");
// Find the next JPG image.
success = [xml SearchForContent2: xml tag: @"content-type" contentPattern: @"image/jpeg"];
}
else {
success = NO;
}
}
// --------------------------------------------------------------
// --------------------------------------------------------------
// 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. <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><part1.E16AE3B4.1505C436@chilkatsoft.com></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. <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--
//