Ruby

Get the Nth Text Part of a Given Content-Type

Demonstrates the Chilkat Email.GetNthTextPartOfType method, which returns the text content of the Nth non-multipart MIME part matching a Content-Type pattern. The arguments are a zero-based index among the matching parts, the content-type pattern, an inlineOnly flag, and an excludeAttachments flag. This example retrieves the first text/html part.

Background: A MIME message is a tree of parts, and sometimes you want a specific one by its type rather than by walking alternatives or bodies. The content-type pattern can be exact (text/html) or a wildcard (text/*), and the two boolean flags narrow the search — inlineOnly restricts to inline (displayed) parts, and excludeAttachments skips parts marked as attachments — so you can target exactly the text you care about.

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require 'chilkat'

#  Demonstrates the GetNthTextPartOfType method, which returns the text content of the Nth
#  non-multipart MIME part matching a Content-Type pattern.  The first argument is the zero-based
#  index among matching parts, the second is the Content-Type pattern, the third is inlineOnly, and the fourth is
#  excludeAttachments.

email = Chilkat::CkEmail.new()
email.put_Subject("GetNthTextPartOfType example")

email.SetTextBody("This is the plain-text version.","text/plain")
email.AddHtmlAlternativeBody("<html><body>This is the HTML version.</body></html>")

#  Get the first (index 0) part whose content type matches text/html.
htmlPart = email.getNthTextPartOfType(0,"text/html",false,false)
print "First text/html part:" + "\n";
print htmlPart + "\n";