attr_reader :lines
def initialize lines
## do some wrapping
- @lines = lines.map { |l| l.wrap 80 }.flatten
+ @lines = lines.map { |l| l.chomp.wrap 80 }.flatten
end
end
attr_reader :id, :date, :from, :subj, :refs, :replytos, :to, :source,
:cc, :bcc, :labels, :list_address, :recipient_email, :replyto,
- :source_info, :status
+ :source_info
- bool_reader :dirty
+ bool_reader :dirty, :source_marked_read
- ## if index_entry is specified, will fill in values from that,
+ ## if you specify a :header, will use values from that. otherwise, will try and
+ ## load the header from the source.
def initialize opts
- if opts[:source]
- @source = opts[:source]
- @source_info = opts[:source_info] or raise ArgumentError, ":source but no :source_info"
- @body = nil
- else
- @source = @source_info = nil
- @body = opts[:body] or raise ArgumentError, "one of :body or :source must be specified"
- end
+ @source = opts[:source] or raise ArgumentError, "source can't be nil"
+ @source_info = opts[:source_info] or raise ArgumentError, "source_info can't be nil"
@snippet = opts[:snippet] || ""
+ @have_snippet = !opts[:snippet].nil?
@labels = opts[:labels] || []
@dirty = false
- header =
- if opts[:header]
- opts[:header]
- else
- header = @source.load_header @source_info
- header.each { |k, v| header[k.downcase] = v }
- header
- end
+ read_header(opts[:header] || @source.load_header(@source_info))
+ end
+
+ def read_header header
+ header.each { |k, v| header[k.downcase] = v }
%w(message-id date).each do |f|
raise MessageFormatError, "no #{f} field in header #{header.inspect} (source #@source offset #@source_info)" unless header.include? f
begin
date = header["date"]
- @date = (Time === date ? date : Time.parse(header["date"]))
+ @date = Time === date ? date : Time.parse(header["date"])
rescue ArgumentError => e
raise MessageFormatError, "unparsable date #{header['date']}: #{e.message}"
end
- if(@subj = header["subject"])
- @subj = @subj.gsub(/\s+/, " ").gsub(/\s+$/, "")
- else
- @subj = DEFAULT_SUBJECT
- end
+ @subj = header.member?("subject") ? header["subject"].gsub(/\s+/, " ").gsub(/\s+$/, "") : DEFAULT_SUBJECT
@from = Person.for header["from"]
@to = Person.for_several header["to"]
@cc = Person.for_several header["cc"]
@bcc = Person.for_several header["bcc"]
@id = header["message-id"]
- @refs = (header["references"] || "").scan(/<(.*?)>/).flatten
+ @refs = (header["references"] || "").gsub(/[<>]/, "").split(/\s+/).flatten
@replytos = (header["in-reply-to"] || "").scan(/<(.*?)>/).flatten
@replyto = Person.for header["reply-to"]
@list_address =
nil
end
- @recipient_email = header["delivered-to"]
- @status = header["status"]
+ @recipient_email = header["envelope-to"] || header["x-original-to"] || header["delivered-to"]
+ @source_marked_read = header["status"] == "RO"
end
+ private :read_header
- def broken?; @source.nil?; end
+ def broken?; @source.broken?; end
def snippet; @snippet || to_chunks && @snippet; end
def is_list_message?; !@list_address.nil?; end
def is_draft?; DraftLoader === @source; end
@dirty = true
end
+ ## this is called when the message body needs to actually be loaded.
def to_chunks
@chunks ||=
- if @body
- [Text.new(@body.split("\n"))]
+ if @source.broken?
+ [Text.new(error_message(@source.broken_msg.split("\n")))]
else
- message_to_chunks @source.load_message(@source_info)
+ begin
+ ## we need to re-read the header because it contains information
+ ## that we don't store in the index. actually i think it's just
+ ## the mailing list address (if any), so this is kinda overkill.
+ ## i could just store that in the index, but i think there might
+ ## be other things like that in the future, and i'd rather not
+ ## bloat the index.
+ read_header @source.load_header(@source_info)
+ message_to_chunks @source.load_message(@source_info)
+ rescue SourceError, SocketError, MessageFormatError => e
+ [Text.new(error_message(e.message))]
+ end
end
end
+ def error_message msg
+ <<EOS
+#@snippet...
+
+***********************************************************************
+* An error occurred while loading this message. It is possible that *
+* the source has changed, or (in the case of remote sources) is down. *
+***********************************************************************
+
+The error message was:
+ #{msg}
+EOS
+ end
+
def raw_header
- @source.raw_header @source_info
+ begin
+ @source.raw_header @source_info
+ rescue SourceError => e
+ error_message e.message
+ end
end
def raw_full_message
- @source.raw_full_message @source_info
+ begin
+ @source.raw_full_message @source_info
+ rescue SourceError => e
+ error_message(e.message)
+ end
end
def content
ret = [] <<
case m.header.content_type
when "text/plain", nil
- raise MessageFormatError, "no message body before decode" unless
- m.body
- body = m.decode or raise MessageFormatError, "no message body"
- text_to_chunks body.gsub(/\t/, " ").gsub(/\r/, "").split("\n")
+ m.body && body = m.decode or raise MessageFormatError, "for some bizarre reason, RubyMail was unable to parse this message."
+ text_to_chunks body.normalize_whitespace.split("\n")
when /^multipart\//
nil
else
## parse the lines of text into chunk objects. the heuristics here
## need tweaking in some nice manner. TODO: move these heuristics
## into the classes themselves.
-
def text_to_chunks lines
state = :text # one of :text, :quote, or :sig
chunks = []
lines.each_with_index do |line, i|
nextline = lines[(i + 1) ... lines.length].find { |l| l !~ /^\s*$/ } # skip blank lines
+
case state
when :text
newstate = nil
+
if line =~ QUOTE_PATTERN || (line =~ QUOTE_START_PATTERN && (nextline =~ QUOTE_PATTERN || nextline =~ QUOTE_START_PATTERN))
newstate = :quote
elsif line =~ SIG_PATTERN && (lines.length - i) < MAX_SIG_DISTANCE
elsif line =~ BLOCK_QUOTE_PATTERN
newstate = :block_quote
end
+
if newstate
chunks << Text.new(chunk_lines) unless chunk_lines.empty?
chunk_lines = [line]
else
chunk_lines << line
end
+
when :quote
newstate = nil
+
if line =~ QUOTE_PATTERN || line =~ QUOTE_START_PATTERN || line =~ /^\s*$/
chunk_lines << line
elsif line =~ SIG_PATTERN && (lines.length - i) < MAX_SIG_DISTANCE
else
newstate = :text
end
+
if newstate
if chunk_lines.empty?
# nothing
chunk_lines = [line]
state = newstate
end
+
when :block_quote
chunk_lines << line
+
when :sig
chunk_lines << line
end
- if state == :text && (@snippet.nil? || @snippet.length < SNIPPET_LEN) &&
- line !~ /[=\*#_-]{3,}/ && line !~ /^\s*$/
+ if !@have_snippet && state == :text && (@snippet.nil? || @snippet.length < SNIPPET_LEN) && line !~ /[=\*#_-]{3,}/ && line !~ /^\s*$/
@snippet += " " unless @snippet.empty?
@snippet += line.gsub(/^\s+/, "").gsub(/[\r\n]/, "").gsub(/\s+/, " ")
- @snippet = @snippet[0 ... SNIPPET_LEN]
+ @snippet = @snippet[0 ... SNIPPET_LEN].chomp
end
end