BootstrapLiquidTags.rb

module BootstrapLiquidTags
  module Base
    def initialize (tag_name, params_string, tokens)
      super
      bind_params(eval("{#{params_string}}"))
    end
    def markdown_converter
      @context.registers[:site].find_converter_instance(::Jekyll::Converters::Markdown)
    end
    def id
      @context.registers[:page].id.split('/').last.gsub('-','_').downcase
    end
    def category
      @context.registers[:page]['cagegory']
    end
  end

  class Block < Liquid::Block
    include BootstrapLiquidTags::Base
    def render (context)
      @context = context
      @text = super
      internal_render
    end
  end

  class BootstrapLiquidTags::Row < BootstrapLiquidTags::Block
    def bind_params (params)
      @class = params[:class]
    end
    def internal_render
      <<~ROW
      <div class="row #{@class}">
        #{@text}
      </div>
      ROW
    end
  end

  class BootstrapLiquidTags::Col < BootstrapLiquidTags::Block
    def bind_params (params)
      @class = params[:class]
    end
    def internal_render
      <<~COL
      <div class="col #{@class}">
        #{@text}
      </div>
      COL
    end
  end

end
Liquid::Template.register_tag('row', BootstrapLiquidTags::Row)
Liquid::Template.register_tag('col', BootstrapLiquidTags::Col)