Initial

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 893 insertions, 0 deletions

diff --git a/actionmailer/lib/action_mailer/vendor/tmail/header.rb b/actionmailer/lib/action_mailer/vendor/tmail/header.rb
new file mode 100755
index 0000000000..73639b5629
--- /dev/null
+++ b/actionmailer/lib/action_mailer/vendor/tmail/header.rb
@@ -0,0 +1,893 @@
+#
+# header.rb
+#
+# Copyright (c) 1998-2003 Minero Aoki <aamine@loveruby.net>
+#
+# This program is free software.
+# You can distribute/modify this program under the terms of
+# the GNU Lesser General Public License version 2 or later.
+#
+
+require 'tmail/encode'
+require 'tmail/address'
+require 'tmail/parser'
+require 'tmail/config'
+require 'tmail/utils'
+
+
+module TMail
+
+  class HeaderField
+
+    include TextUtils
+
+    class << self
+
+      alias newobj new
+
+      def new( name, body, conf = DEFAULT_CONFIG )
+        klass = FNAME_TO_CLASS[name.downcase] || UnstructuredHeader
+        klass.newobj body, conf
+      end
+
+      def new_from_port( port, name, conf = DEFAULT_CONFIG )
+        re = Regep.new('\A(' + Regexp.quote(name) + '):', 'i')
+        str = nil
+        port.ropen {|f|
+            f.each do |line|
+              if m = re.match(line)            then str = m.post_match.strip
+              elsif str and /\A[\t ]/ === line then str << ' ' << line.strip
+              elsif /\A-*\s*\z/ === line       then break
+              elsif str                        then break
+              end
+            end
+        }
+        new(name, str, Config.to_config(conf))
+      end
+
+      def internal_new( name, conf )
+        FNAME_TO_CLASS[name].newobj('', conf, true)
+      end
+
+    end   # class << self
+
+    def initialize( body, conf, intern = false )
+      @body = body
+      @config = conf
+
+      @illegal = false
+      @parsed = false
+      if intern
+        @parsed = true
+        parse_init
+      end
+    end
+
+    def inspect
+      "#<#{self.class} #{@body.inspect}>"
+    end
+
+    def illegal?
+      @illegal
+    end
+
+    def empty?
+      ensure_parsed
+      return true if @illegal
+      isempty?
+    end
+
+    private
+
+    def ensure_parsed
+      return if @parsed
+      @parsed = true
+      parse
+    end
+
+    # defabstract parse
+    # end
+
+    def clear_parse_status
+      @parsed = false
+      @illegal = false
+    end
+
+    public
+
+    def body
+      ensure_parsed
+      v = Decoder.new(s = '')
+      do_accept v
+      v.terminate
+      s
+    end
+
+    def body=( str )
+      @body = str
+      clear_parse_status
+    end
+
+    include StrategyInterface
+
+    def accept( strategy, dummy1 = nil, dummy2 = nil )
+      ensure_parsed
+      do_accept strategy
+      strategy.terminate
+    end
+
+    # abstract do_accept
+
+  end
+
+
+  class UnstructuredHeader < HeaderField
+
+    def body
+      ensure_parsed
+      @body
+    end
+
+    def body=( arg )
+      ensure_parsed
+      @body = arg
+    end
+
+    private
+
+    def parse_init
+    end
+
+    def parse
+      @body = Decoder.decode(@body.gsub(/\n|\r\n|\r/, ''))
+    end
+
+    def isempty?
+      not @body
+    end
+
+    def do_accept( strategy )
+      strategy.text @body
+    end
+
+  end
+
+
+  class StructuredHeader < HeaderField
+
+    def comments
+      ensure_parsed
+      @comments
+    end
+
+    private
+
+    def parse
+      save = nil
+
+      begin
+        parse_init
+        do_parse
+      rescue SyntaxError
+        if not save and mime_encoded? @body
+          save = @body
+          @body = Decoder.decode(save)
+          retry
+        elsif save
+          @body = save
+        end
+
+        @illegal = true
+        raise if @config.strict_parse?
+      end
+    end
+
+    def parse_init
+      @comments = []
+      init
+    end
+
+    def do_parse
+      obj = Parser.parse(self.class::PARSE_TYPE, @body, @comments)
+      set obj if obj
+    end
+
+  end
+
+
+  class DateTimeHeader < StructuredHeader
+
+    PARSE_TYPE = :DATETIME
+
+    def date
+      ensure_parsed
+      @date
+    end
+
+    def date=( arg )
+      ensure_parsed
+      @date = arg
+    end
+
+    private
+
+    def init
+      @date = nil
+    end
+
+    def set( t )
+      @date = t
+    end
+
+    def isempty?
+      not @date
+    end
+
+    def do_accept( strategy )
+      strategy.meta time2str(@date)
+    end
+
+  end
+
+
+  class AddressHeader < StructuredHeader
+
+    PARSE_TYPE = :MADDRESS
+
+    def addrs
+      ensure_parsed
+      @addrs
+    end
+
+    private
+
+    def init
+      @addrs = []
+    end
+
+    def set( a )
+      @addrs = a
+    end
+
+    def isempty?
+      @addrs.empty?
+    end
+
+    def do_accept( strategy )
+      first = true
+      @addrs.each do |a|
+        if first
+          first = false
+        else
+          strategy.meta ','
+          strategy.space
+        end
+        a.accept strategy
+      end
+
+      @comments.each do |c|
+        strategy.space
+        strategy.meta '('
+        strategy.text c
+        strategy.meta ')'
+      end
+    end
+
+  end
+
+
+  class ReturnPathHeader < AddressHeader
+
+    PARSE_TYPE = :RETPATH
+
+    def addr
+      addrs()[0]
+    end
+
+    def spec
+      a = addr() or return nil
+      a.spec
+    end
+
+    def routes
+      a = addr() or return nil
+      a.routes
+    end
+
+    private
+
+    def do_accept( strategy )
+      a = addr()
+
+      strategy.meta '<'
+      unless a.routes.empty?
+        strategy.meta a.routes.map {|i| '@' + i }.join(',')
+        strategy.meta ':'
+      end
+      spec = a.spec
+      strategy.meta spec if spec
+      strategy.meta '>'
+    end
+
+  end
+
+
+  class SingleAddressHeader < AddressHeader
+
+    def addr
+      addrs()[0]
+    end
+
+    private
+
+    def do_accept( strategy )
+      a = addr()
+      a.accept strategy
+      @comments.each do |c|
+        strategy.space
+        strategy.meta '('
+        strategy.text c
+        strategy.meta ')'
+      end
+    end
+
+  end
+
+
+  class MessageIdHeader < StructuredHeader
+
+    def id
+      ensure_parsed
+      @id
+    end
+
+    def id=( arg )
+      ensure_parsed
+      @id = arg
+    end
+
+    private
+
+    def init
+      @id = nil
+    end
+
+    def isempty?
+      not @id
+    end
+
+    def do_parse
+      @id = @body.slice(MESSAGE_ID) or
+              raise SyntaxError, "wrong Message-ID format: #{@body}"
+    end
+
+    def do_accept( strategy )
+      strategy.meta @id
+    end
+
+  end
+
+
+  class ReferencesHeader < StructuredHeader
+
+    def refs
+      ensure_parsed
+      @refs
+    end
+
+    def each_id
+      self.refs.each do |i|
+        yield i if MESSAGE_ID === i
+      end
+    end
+
+    def ids
+      ensure_parsed
+      @ids
+    end
+
+    def each_phrase
+      self.refs.each do |i|
+        yield i unless MESSAGE_ID === i
+      end
+    end
+
+    def phrases
+      ret = []
+      each_phrase {|i| ret.push i }
+      ret
+    end
+
+    private
+
+    def init
+      @refs = []
+      @ids = []
+    end
+
+    def isempty?
+      @ids.empty?
+    end
+
+    def do_parse
+      str = @body
+      while m = MESSAGE_ID.match(str)
+        pre = m.pre_match.strip
+        @refs.push pre unless pre.empty?
+        @refs.push s = m[0]
+        @ids.push s
+        str = m.post_match
+      end
+      str = str.strip
+      @refs.push str unless str.empty?
+    end
+
+    def do_accept( strategy )
+      first = true
+      @ids.each do |i|
+        if first
+          first = false
+        else
+          strategy.space
+        end
+        strategy.meta i
+      end
+    end
+
+  end
+
+
+  class ReceivedHeader < StructuredHeader
+
+    PARSE_TYPE = :RECEIVED
+
+    def from
+      ensure_parsed
+      @from
+    end
+
+    def from=( arg )
+      ensure_parsed
+      @from = arg
+    end
+
+    def by
+      ensure_parsed
+      @by
+    end
+
+    def by=( arg )
+      ensure_parsed
+      @by = arg
+    end
+
+    def via
+      ensure_parsed
+      @via
+    end
+
+    def via=( arg )
+      ensure_parsed
+      @via = arg
+    end
+
+    def with
+      ensure_parsed
+      @with
+    end
+
+    def id
+      ensure_parsed
+      @id
+    end
+
+    def id=( arg )
+      ensure_parsed
+      @id = arg
+    end
+
+    def _for
+      ensure_parsed
+      @_for
+    end
+
+    def _for=( arg )
+      ensure_parsed
+      @_for = arg
+    end
+
+    def date
+      ensure_parsed
+      @date
+    end
+
+    def date=( arg )
+      ensure_parsed
+      @date = arg
+    end
+
+    private
+
+    def init
+      @from = @by = @via = @with = @id = @_for = nil
+      @with = []
+      @date = nil
+    end
+
+    def set( args )
+      @from, @by, @via, @with, @id, @_for, @date = *args
+    end
+
+    def isempty?
+      @with.empty? and not (@from or @by or @via or @id or @_for or @date)
+    end
+
+    def do_accept( strategy )
+      list = []
+      list.push 'from '  + @from       if @from
+      list.push 'by '    + @by         if @by
+      list.push 'via '   + @via        if @via
+      @with.each do |i|
+        list.push 'with ' + i
+      end
+      list.push 'id '    + @id         if @id
+      list.push 'for <'  + @_for + '>' if @_for
+
+      first = true
+      list.each do |i|
+        strategy.space unless first
+        strategy.meta i
+        first = false
+      end
+      if @date
+        strategy.meta ';'
+        strategy.space
+        strategy.meta time2str(@date)
+      end
+    end
+
+  end
+
+
+  class KeywordsHeader < StructuredHeader
+
+    PARSE_TYPE = :KEYWORDS
+
+    def keys
+      ensure_parsed
+      @keys
+    end
+
+    private
+
+    def init
+      @keys = []
+    end
+
+    def set( a )
+      @keys = a
+    end
+
+    def isempty?
+      @keys.empty?
+    end
+
+    def do_accept( strategy )
+      first = true
+      @keys.each do |i|
+        if first
+          first = false
+        else
+          strategy.meta ','
+        end
+        strategy.meta i
+      end
+    end
+
+  end
+
+
+  class EncryptedHeader < StructuredHeader
+
+    PARSE_TYPE = :ENCRYPTED
+
+    def encrypter
+      ensure_parsed
+      @encrypter
+    end
+
+    def encrypter=( arg )
+      ensure_parsed
+      @encrypter = arg
+    end
+
+    def keyword
+      ensure_parsed
+      @keyword
+    end
+
+    def keyword=( arg )
+      ensure_parsed
+      @keyword = arg
+    end
+
+    private
+
+    def init
+      @encrypter = nil
+      @keyword = nil
+    end
+
+    def set( args )
+      @encrypter, @keyword = args
+    end
+
+    def isempty?
+      not (@encrypter or @keyword)
+    end
+
+    def do_accept( strategy )
+      if @key
+        strategy.meta @encrypter + ','
+        strategy.space
+        strategy.meta @keyword
+      else
+        strategy.meta @encrypter
+      end
+    end
+
+  end
+
+
+  class MimeVersionHeader < StructuredHeader
+
+    PARSE_TYPE = :MIMEVERSION
+
+    def major
+      ensure_parsed
+      @major
+    end
+
+    def major=( arg )
+      ensure_parsed
+      @major = arg
+    end
+
+    def minor
+      ensure_parsed
+      @minor
+    end
+
+    def minor=( arg )
+      ensure_parsed
+      @minor = arg
+    end
+
+    def version
+      sprintf('%d.%d', major, minor)
+    end
+
+    private
+
+    def init
+      @major = nil
+      @minor = nil
+    end
+
+    def set( args )
+      @major, @minor = *args
+    end
+
+    def isempty?
+      not (@major or @minor)
+    end
+
+    def do_accept( strategy )
+      strategy.meta sprintf('%d.%d', @major, @minor)
+    end
+
+  end
+
+
+  class ContentTypeHeader < StructuredHeader
+
+    PARSE_TYPE = :CTYPE
+
+    def main_type
+      ensure_parsed
+      @main
+    end
+
+    def main_type=( arg )
+      ensure_parsed
+      @main = arg.downcase
+    end
+
+    def sub_type
+      ensure_parsed
+      @sub
+    end
+
+    def sub_type=( arg )
+      ensure_parsed
+      @sub = arg.downcase
+    end
+
+    def content_type
+      ensure_parsed
+      @sub ? sprintf('%s/%s', @main, @sub) : @main
+    end
+
+    def params
+      ensure_parsed
+      @params
+    end
+
+    def []( key )
+      ensure_parsed
+      @params and @params[key]
+    end
+
+    def []=( key, val )
+      ensure_parsed
+      (@params ||= {})[key] = val
+    end
+
+    private
+
+    def init
+      @main = @sub = @params = nil
+    end
+
+    def set( args )
+      @main, @sub, @params = *args
+    end
+
+    def isempty?
+      not (@main or @sub)
+    end
+
+    def do_accept( strategy )
+      if @sub
+        strategy.meta sprintf('%s/%s', @main, @sub)
+      else
+        strategy.meta @main
+      end
+      @params.each do |k,v|
+        strategy.meta ';'
+        strategy.space
+        strategy.kv_pair k, v
+      end
+    end
+
+  end
+
+
+  class ContentTransferEncodingHeader < StructuredHeader
+
+    PARSE_TYPE = :CENCODING
+
+    def encoding
+      ensure_parsed
+      @encoding
+    end
+
+    def encoding=( arg )
+      ensure_parsed
+      @encoding = arg
+    end
+
+    private
+
+    def init
+      @encoding = nil
+    end
+
+    def set( s )
+      @encoding = s
+    end
+
+    def isempty?
+      not @encoding
+    end
+
+    def do_accept( strategy )
+      strategy.meta @encoding.capitalize
+    end
+
+  end
+
+
+  class ContentDispositionHeader < StructuredHeader
+
+    PARSE_TYPE = :CDISPOSITION
+
+    def disposition
+      ensure_parsed
+      @disposition
+    end
+
+    def disposition=( str )
+      ensure_parsed
+      @disposition = str.downcase
+    end
+
+    def params
+      ensure_parsed
+      @params
+    end
+
+    def []( key )
+      ensure_parsed
+      @params and @params[key]
+    end
+
+    def []=( key, val )
+      ensure_parsed
+      (@params ||= {})[key] = val
+    end
+
+    private
+
+    def init
+      @disposition = @params = nil
+    end
+
+    def set( args )
+      @disposition, @params = *args
+    end
+
+    def isempty?
+      not @disposition and (not @params or @params.empty?)
+    end
+
+    def do_accept( strategy )
+      strategy.meta @disposition
+      @params.each do |k,v|
+        strategy.meta ';'
+        strategy.space
+        strategy.kv_pair k, v
+      end
+    end
+      
+  end
+
+
+  class HeaderField   # redefine
+
+    FNAME_TO_CLASS = {
+      'date'                      => DateTimeHeader,
+      'resent-date'               => DateTimeHeader,
+      'to'                        => AddressHeader,
+      'cc'                        => AddressHeader,
+      'bcc'                       => AddressHeader,
+      'from'                      => AddressHeader,
+      'reply-to'                  => AddressHeader,
+      'resent-to'                 => AddressHeader,
+      'resent-cc'                 => AddressHeader,
+      'resent-bcc'                => AddressHeader,
+      'resent-from'               => AddressHeader,
+      'resent-reply-to'           => AddressHeader,
+      'sender'                    => SingleAddressHeader,
+      'resent-sender'             => SingleAddressHeader,
+      'return-path'               => ReturnPathHeader,
+      'message-id'                => MessageIdHeader,
+      'resent-message-id'         => MessageIdHeader,
+      'in-reply-to'               => ReferencesHeader,
+      'received'                  => ReceivedHeader,
+      'references'                => ReferencesHeader,
+      'keywords'                  => KeywordsHeader,
+      'encrypted'                 => EncryptedHeader,
+      'mime-version'              => MimeVersionHeader,
+      'content-type'              => ContentTypeHeader,
+      'content-transfer-encoding' => ContentTransferEncodingHeader,
+      'content-disposition'       => ContentDispositionHeader,
+      'content-id'                => MessageIdHeader,
+      'subject'                   => UnstructuredHeader,
+      'comments'                  => UnstructuredHeader,
+      'content-description'       => UnstructuredHeader
+    }
+
+  end
+
+end   # module TMail