Class: EventDb::OutlineReader

Inherits:
Object
  • Object
show all
Defined in:
lib/eventdb/outline_reader.rb

Constant Summary collapse

HEADING_RE = 
/^(\#{1,})       ## leading ####
 ([^#]+?)       ##  text - note: use non-greedy e.g. +?
 \#*            ## (optional) trailing ##
$/x
LISTITEM_RE = 
/^  \s*
 -\s+        ## space required after dash (-)
 (.+)          ## text
$/x

Class Method Summary collapse

Class Method Details

.parse(txt) ⇒ Object 



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# File 'lib/eventdb/outline_reader.rb', line 24

def self.parse( txt )
  outline=[]   ## outline structure

  # note: cut out; remove all html comments e.g. <!-- -->
  #   supports multi-line comments too (e.g. uses /m - make dot match newlines)
  txt = txt.gsub( /<!--
                     .+?
                    -->/xm, '' )    ## todo/fix: track/log cut out comments!!!


  txt.each_line do |line|
      line = line.strip      ## todo/fix: keep leading and trailing spaces - why? why not?

      next if line.empty?    ## todo/fix: keep blank line nodes e.g. just remove comments and process headings?! - why? why not?
      break if line == '__END__'

      pp line

       ## note:  all optional trailing ### too
      if HEADING_RE.match( line )
         heading_marker = $1
         heading_level  = $1.length   ## count number of = for heading level
         heading        = $2.strip

         puts "heading #{heading_level} >#{heading}<"
         outline << [:"h#{heading_level}", heading]
      elsif LISTITEM_RE.match( line )
         item =  $1.strip

         puts "list item >#{item}<"
         outline << [:li, item]
      else
         ## assume it's a (plain/regular) text line
         outline << [:l, line]
      end
  end
  outline
end

.read(path) ⇒ Object

use - rename to read_file or from_file etc. - why? why not?



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# File 'lib/eventdb/outline_reader.rb', line 6

def self.read( path )   ## use - rename to read_file or from_file etc. - why? why not?
  txt = File.open( path, 'r:utf-8' ).read
  parse( txt )
end