Class: Tefil::FswikiToMd

Inherits:
TextFilterBase show all
Defined in:
lib/tefil/fswikitomd.rb

Overview

! /usr/bin/env ruby coding: utf-8

Instance Method Summary collapse

Methods inherited from TextFilterBase

#filter, #initialize

Constructor Details

This class inherits a constructor from Tefil::TextFilterBase

Instance Method Details

#process_stream(in_io, out_io) ⇒ Object

def initialize(options)

super(options)

end



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# File 'lib/tefil/fswikitomd.rb', line 9

def process_stream(in_io, out_io)

  in_io.readlines.each do |line|
    # 行頭処理
    case
    when line.sub!(/^!!!/      , '') then type = :head1
    when line.sub!(/^!!/       , '') then type = :head2
    when line.sub!(/^!/        , '') then type = :head3
    when line.sub!(/^\*\*\*\*/ , '') then type = :item4
    when line.sub!(/^\*\*\*/   , '') then type = :item3
    when line.sub!(/^\*\*/     , '') then type = :item2
    when line.sub!(/^\*/       , '') then type = :item1
    when line.sub!(/^\+\+\+\+/ , '') then type = :enum4
    when line.sub!(/^\+\+\+/   , '') then type = :enum3
    when line.sub!(/^\+\+/     , '') then type = :enum2
    when line.sub!(/^\+/       , '') then type = :enum1
    when line.sub!(/^ /        , '') then type = :pre
    when line.sub!(/^----/     , '') then type = :hline
    when line.sub!(/^\/\//     , '') then type = :comment
    else
      type = :plain
    end

    # 行中要素の処理
    line.gsub!(/\'\'\'/, '**')
    line.gsub!(/\'\'/, '*')
    if /\[(.*)\|(.*)\]/ =~ line # 複数ある場合は非対応。
      str = $1
      url = $2
      line.sub!(/\[(.*)\|(.*)\]/, "[#{str}](#{url})")
    end

    case
    when type == :head1   then line.sub!(/^/, "#"              )
    when type == :head2   then line.sub!(/^/, "##"             )
    when type == :head3   then line.sub!(/^/, "###"            )
    when type == :item4   then line.sub!(/^/, "            *"  )
    when type == :item3   then line.sub!(/^/, "        *"      )
    when type == :item2   then line.sub!(/^/, "    *"          )
    when type == :item1   then line.sub!(/^/, "*"              )
    when type == :enum4   then line.sub!(/^/, "            1.")
    when type == :enum3   then line.sub!(/^/, "        1."    )
    when type == :enum2   then line.sub!(/^/, "    1."        )
    when type == :enum1   then line.sub!(/^/, "1."            )
    when type == :pre     then line.sub!(/^/, "    "          )
    when type == :hline   then line.sub!(/^/, "---"           )
    when type == :comment then line = "<!--#{line.chomp}-->"
    else # type == :pain  then  'do nothing'
    end

    # 出力
    out_io.print line

    #p "test"
    ## 空行処理
    case
    when type == :head1   then out_io.puts
    when type == :head2   then out_io.puts
    when type == :head3   then out_io.puts
    else # type == :pain  then  'do nothing'
    end

  end
end