63 lines
1.3 KiB
Ruby
63 lines
1.3 KiB
Ruby
# The Mail class represents an internet mail message (as per RFC822, RFC2822)
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# with headers and a body.
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class Mail
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# Create a new Mail where +f+ is either a stream which responds to gets(),
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# or a path to a file. If +f+ is a path it will be opened.
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#
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# The whole message is read so it can be made available through the #header,
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# #[] and #body methods.
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#
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# The "From " line is ignored if the mail is in mbox format.
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def initialize(f)
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unless defined? f.gets
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f = open(f, "r")
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opened = true
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end
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@header = {}
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@body = []
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begin
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while line = f.gets()
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line.chop!
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next if /^From /=~line # skip From-line
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break if /^$/=~line # end of header
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if /^(\S+?):\s*(.*)/=~line
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(attr = $1).capitalize!
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@header[attr] = $2
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elsif attr
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line.sub!(/^\s*/, '')
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@header[attr] += "\n" + line
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end
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end
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return unless line
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while line = f.gets()
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break if /^From /=~line
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@body.push(line)
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end
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ensure
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f.close if opened
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end
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end
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# Return the headers as a Hash.
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def header
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return @header
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end
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# Return the message body as an Array of lines
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def body
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return @body
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end
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# Return the header corresponding to +field+.
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#
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# Matching is case-insensitive.
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def [](field)
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@header[field.capitalize]
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end
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end
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