Class: Octopress::Tags::QuoteTag::Tag

Inherits:
Liquid::Block
  • Object
show all
Defined in:
lib/octopress-quote-tag.rb

Constant Summary collapse

FullCiteWithTitle = 
/(\S.*)\s+(https?:\/\/)(\S+)\s+(.+)/i
FullCite = 
/(\S.*)\s+(https?:\/\/)(\S+)/i
AuthorTitle = 
/([^,]+),([^,]+)/
Author = 
/(.+)/

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ Tag

Returns a new instance of Tag.



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# File 'lib/octopress-quote-tag.rb', line 13

def initialize(tag_name, markup, tokens)
  super

  if tag_name.strip == 'blockquote'
    @options = parse_legacy_markup(markup)
  else
    @options = parse_markup(%w{author title url}, markup)
  end
end

Instance Method Details

#author ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 93

def author
  if @options['author']
    if !@options['title']
      text = link(@options['author'])
    else
      text = @options['author']
    end
    "<span class='quote-author'>#{text}</span>"
  end
end

#extract(input, regexp, indices_to_try = [1], default = nil) ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 33

def extract(input, regexp, indices_to_try = [1], default = nil)
  thing = input.match(regexp)
  if thing.nil?
    default
  else
    indices_to_try.each do |index|
      return thing[index] if thing[index]
    end
  end
end

#figcaption ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 87

def figcaption
  if @options['author'] || @options['url'] || @options['title']
    "<figcaption class='quote-source'>#{author || ''}#{title || ''}</figcaption>"
  end
end

#link(text) ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 104

def link(text)
  if @options['url']
    "<a class='quote-link' href='#{@options['url']}'>#{text}</a>"
  else
    text
  end
end

#parse_content(content, context) ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 71

def parse_content(content, context)
  path  = context.environments.first['page']['path']
  ext   = File.extname(path[1..-1])[1..-1]
  site  = context.registers[:site]
  mdext = site.config['markdown_ext']
  txext = site.config['textile_ext']

  if mdext.include? ext
    site.getConverterImpl(Jekyll::Converters::Markdown).convert(content)
  elsif txext.include? ext
    site.getConverterImpl(Jekyll::Converters::Textile).convert(content)
  else
    "<p>" + content.strip.gsub(/\n\n/, "<p>\n\n</p>") + "</p>"
  end
end

#parse_legacy_markup(markup) ⇒ Object

Use legacy regex matching to parse markup



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# File 'lib/octopress-quote-tag.rb', line 45

def parse_legacy_markup(markup)
  options = {}
  if markup =~ FullCiteWithTitle
    options['author'] = $1
    options['url'] = $2 + $3
    options['title'] = $4.strip
  elsif markup =~ FullCite
    options['author'] = $1
    options['url'] = $2 + $3
  elsif markup =~ AuthorTitle
    options['author'] = $1
    options['title'] = $2.strip
  elsif markup =~ Author
    options['author'] = $1
  end
  options
end

#parse_markup(keys, markup) ⇒ Object

Parse string into hash object



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# File 'lib/octopress-quote-tag.rb', line 24

def parse_markup(keys, markup)
  options = {}
  keys.each do |k|
    value = extract(markup, /\s*#{k}:\s*(("(.+?)")|('(.+?)')|(\S+))/i, [3, 5, 6])
    options[k] = value
  end
  options
end

#render(context) ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 63

def render(context)
  quote = "<blockquote>#{parse_content(super, context).strip}</blockquote>"
  if cap = figcaption
    quote = "<figure class='quote'>#{quote}#{cap}</figure>"
  end
  quote
end

#title ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 112

def title
  if @options['title']
    "<cite class='quote-title'>#{link(@options['title'])}</cite>"
  end
end

#trim_url(full_url) ⇒ Object 



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# File 'lib/octopress-quote-tag.rb', line 118

def trim_url(full_url)
  parts = []
  short_url = full_url.match(/https?:\/\/(.+)/)[1][0..30]
  short_url << '…' unless short_url == full_url
  short_url
end