Class: Wikiscript::PageReader

Inherits:
Object
  • Object
show all
Defined in:
lib/wikiscript/page_reader.rb

Class Method Summary collapse

Class Method Details

.parse(txt) ⇒ Object 



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# File 'lib/wikiscript/page_reader.rb', line 12

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

  inside_table = false
  table_txt    = nil

  txt.each_line do |line|
    line = line.strip

    break if line == '__END__'

    ## note:  allow/add comments
    ##   note: CANNOT allow inline (end-of-line) comments
    ##     would strip/break css colors eg.  bgcolor=#ffff44
    next if line.start_with?( '#' )   ## skip comments too
    next if line.empty?               ## skip empty lines for now

    ## note: like in wikimedia markup (and markdown) all optional trailing ==== too
    ##  todo/check:  allow ===  Text  =-=-=-=-=-=   too - why? why not?
    if line =~ /^(={1,})       ## leading ======
                ([^=]+?)       ##  text   (note: for now no "inline" = allowed)
                =*             ## (optional) trailing ====
                $/x
      heading_marker = $1
      heading_level  = $1.length   ## count number of = for heading level
      heading        = $2.strip

      puts "heading #{heading_level} >#{heading}<"
      page << [:"h#{heading_level}", heading]
    elsif line.start_with?( '{|' )     ## start table
      inside_table = true
      table_txt = String.new   ## collect table source text
      table_txt << line << "\n"    ## note: do NOT forget to add back newline!!
    elsif inside_table && line.start_with?( '|}' )  ## end table
      table_txt << line << "\n"
      table = TableReader.parse_table( table_txt )
      page << [:table, table]
      ## reset table variables
      inside_table = false
      table_txt    = nil
    elsif inside_table
       table_txt << line << "\n"
    else
      ## note: skip unknown line types for now

      ## puts "** !!! ERROR !!! unknown line type in wiki page:"
      ## pp line
      ## exit 1
    end
  end
  page
end

.read(path) ⇒ Object 



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# File 'lib/wikiscript/page_reader.rb', line 6

def self.read( path )
  txt = File.open( path, 'r:utf-8' ) { |f| f.read }
  parse( txt )
end