Class: Hiki2md

Inherits:
Object
  • Object
show all
Defined in:
lib/hiki2md.rb,
lib/hiki2md/version.rb

Constant Summary collapse

VERSION = 
"0.1.1"

Instance Method Summary collapse

Instance Method Details

#convert(lines) ⇒ Object 



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# File 'lib/hiki2md.rb', line 5

def convert(lines)
  @outputs = []

  @in_plugin_block = false
  @in_preformated_block = false

  lines.split(/\n/).each do |line|
    # プラグイン
    if @in_plugin_block
      if line =~ /}}\z/
        @in_plugin_block = false
      end
      next
    end

    if line =~ /\A{{/
      next if line =~ /\A{{.+}}\z/
      @in_plugin_block = true
    end

    # 整形済みテキスト
    if @in_preformated_block
      if line =~ /\A>>>/
        @in_preformated_block = false
        @outputs << '```'
        next
      end
      @outputs << line
      next
    end

    if line =~ /\A<<<\z/
      @in_preformated_block = true
      @outputs << '```'
      next
    end

    # コメント削除
    next if line =~ %r|\A//.*\z|

    # 整形済みテキスト
    line.gsub! /\A[ \t]+/, '    '

    # 引用
    line.gsub! /\A""/, '>'

    # リンク
    line.gsub! /\[{2}([^\[\]\|]+?)\|([^\[\]\|]+?)\]{2}/, "[\\1](\\2)"

    # 箇条書き
    line.gsub! /\A[*]{3} ?/, '    - '
    line.gsub! /\A[*]{2} ?/, '  - '
    line.gsub! /\A[*] ?/   , '- '

    line.gsub! /\A[#]{3} ?/  , '    1. '
    line.gsub! /\A[#]{2} ?/  , '  1. '
    line.gsub! /\A[#] ?/     , '1. '

    # 見出し
    line.gsub! /\A!{5} ?/ , '##### '
    line.gsub! /\A!{4} ?/ , '#### '
    line.gsub! /\A!{3} ?/ , '### '
    line.gsub! /\A!{2} ?/ , '## '
    line.gsub! /\A! ?/    , '# '

    # 強調
    line.gsub! /'''(.+)'''/, "**\\1**"
    line.gsub! /''(.+)''/, "*\\1*"

    # 取り消し
    line.gsub! /\=\=(.+)\=\=/, "~~\\1~~"

    # 画像
    line.gsub! /\[{2}([^\[\]\|]+?)\]{2}/, "![](\\1)"

    @outputs << line
  end
  @outputs.join("\n")
end