Class: Markdown::HTMLPipeline

Inherits:
Object
  • Object
show all
Defined in:
lib/jekyll-html-pipeline.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ HTMLPipeline

Returns a new instance of HTMLPipeline.



6
7
8
9
10
11
 
# File 'lib/jekyll-html-pipeline.rb', line 6

def initialize(config)
  require 'html/pipeline'
  @config = config
  @errors = []
  @setup = false
end

Instance Method Details

#convert(content) ⇒ Object 



73
74
75
76
 
# File 'lib/jekyll-html-pipeline.rb', line 73

def convert(content)
  setup
  @parser.to_html(content)
end

#ensure_default_opts ⇒ Object 



38
39
40
41
42
43
 
# File 'lib/jekyll-html-pipeline.rb', line 38

def ensure_default_opts
  @config['html_pipeline']['filters'] ||= ['markdownfilter']
  @config['html_pipeline']['context'] ||= { 'gfm' => true }
  # symbolize strings as keys, which is what HTML::Pipeline wants
  @config['html_pipeline']['context'] = symbolize_keys(@config['html_pipeline']['context'])
end

#filter?(filter) ⇒ Boolean

Returns:

  • (Boolean) 


17
18
19
20
21
 
# File 'lib/jekyll-html-pipeline.rb', line 17

def filter?(filter)
  filter < HTML::Pipeline::Filter
rescue LoadError, ArgumentError
  false
end

#filter_key(key) ⇒ Object 



13
14
15
 
# File 'lib/jekyll-html-pipeline.rb', line 13

def filter_key(key)
  key.to_s.downcase.to_sym
end

#setup ⇒ Object 



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/jekyll-html-pipeline.rb', line 45

def setup
  return if @setup

  ensure_default_opts

  filters = @config['html_pipeline']['filters'].map do |filter|
    if filter?(filter)
      filter
    else
      key = filter_key(filter)
      begin
        const_filter = HTML::Pipeline.constants.find { |c| c.downcase == key }
        # probably a custom filter
        if const_filter.nil?
          Jekyll::Converters.const_get(filter)
        else
          HTML::Pipeline.const_get(const_filter)
        end
      rescue StandardError => e
        raise LoadError, e
      end
    end
  end

  @parser = HTML::Pipeline.new(filters, @config['html_pipeline']['context'])
  @setup = true
end

#symbolize_keys(hash) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/jekyll-html-pipeline.rb', line 23

def symbolize_keys(hash)
  hash.each_with_object({}) do |(key, value), result|
    new_key = case key
              when String then key.to_sym
              else key
              end
    new_value = case value
                when Hash then symbolize_keys(value)
                when Array then value.map(&:to_sym)
                else value
                end
    result[new_key] = new_value
  end
end