Class: Body

Inherits:
Object
  • Object
show all
Extended by:
Logging
Defined in:
lib/body.rb

Overview

an object of this class represents the body of a news-article.

Constant Summary collapse

@@config =

a class-level configuration instance.

Configuration.instance
@@log =

initialize the class-level logger as configured

init_logger(@@config.log_target, @@config.log_level)

Instance Method Summary collapse

Methods included from Logging

init_logger, log_level=, log_target=

Constructor Details

#initialize(article_text) ⇒ Body

reads the body text of the article



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# File 'lib/body.rb', line 36

def initialize(article_text)
  # for simplicity.
  @log = @@log 
  line = nil
  #  transform the article into an array.
  line_array = article_text.split($LN)
  # keep only from the first after an empty line  ''
  start_index = line_array.index('')

  # ... to the end of the current array (all that follows '').
  @lines = line_array.slice(start_index + 1, line_array.size)
  @log.debug('initialize(): body lines are ' << @lines.inspect)

  # verify and eventually correct URLs
  handle_urls
  # if need be, extract references and footnotes.
  handle_references
end

Instance Method Details

#join ⇒ Object 



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# File 'lib/body.rb', line 138

def join 
  return @lines.join($LN) 
end

#set_intro(intro) ⇒ Object

If so configured, replace an eventual followup-intro by the one configured for a group. This may depend on other conditions and must be triggered explicitly.



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# File 'lib/body.rb', line 58

def set_intro(intro)
  return if !intro || intro.empty? || @@config.no_intro

  # name of the previous poster
  fup_name = nil
  # the current newsgroup 
  fup_group = nil

  @log.debug('FUP_NAME is ' << @@config.FUP_NAME)
  @log.debug('FUP_GROUP is ' << @@config.FUP_GROUP)
  # The expressions which allow the identification of both
  # in the current article.
  fn = @@config.FUP_NAME
  fg = @@config.FUP_GROUP

  # Okay, this is called parsing, when it is well done.
  # I just try and am happy when it works.
  @lines.each_with_index do |line, i|
    # find the name in the intro-line
    if !fn.strip.empty? && !line.strip.empty? && !fup_name
      # match a name
      fup_name = line.match(Regexp.new(fn) ) do |md|
        @log.debug("\tmatch: " << md.to_s)
        md.length == 2 ? md[1] : md[0]
        @log.debug("\tfup_name: " << fup_name.to_s) 
      end

      if !fg.strip.empty? && !fup_group
        # match a group
        fup_group = line.match(Regexp.new(fg) ) { |md| md.length == 2 ? md[1] : nil} 
        @log.debug "group is " << fup_group.to_s
      end

      # All that follows depends on the presence of a name
      # in the intro-string.
      if fup_name && !fup_name.strip.empty?
        # keep the current intro for later
        ointro = line
        line = ''
        while line.strip.empty?
          i = i.next
          line = @lines[i]
        end
        # check if there is a citation, at all
        if(line.start_with?('>'))
          @log.debug("\tfound intro " << ointro)
          # variables are part of the $intro.
          # Do substitutions.
          intro.sub!('%fup_name%', fup_name) if fup_name 
          intro.sub!('%fup_group%', fup_group)  if fup_group 
          @log.debug("\tsetting intro " << intro.to_s)
          
          # exchange original intro-line against the new one
          @lines[@lines.index(ointro)] = intro.strip 
          # looked complicated because it is.
        end
      end
    end # fn.strip.empty?
  end # lines.each_with_index
end

#set_signature(signature) ⇒ Object 



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# File 'lib/body.rb', line 119

def set_signature(signature)
  # unless no changes requested.
  # no_sig is for later
  if signature && !signature.empty? && !@@config.no_sig
    nsig = @lines.count{|s| s == "-- "}
    # several signatures should be avoided!
    if nsig > 1 
      @log.debug "Found #{nsig} signatures"
      @log.debug "PSE remove a few and leave ... like only 1 intact."
      exit false
    else
      @log.debug('setting signature ' << signature) if signature
      @lines << "-- " << signature if signature
    end
  else
    return
  end
end