Class: PageHub::Markdown::Embedder::GithubWikiProcessor

Inherits:
Processor
  • Object
show all
Defined in:
lib/pagehub-markdown/processors/embedder.rb

Overview

Extracts content from GitHub Wiki pages

Bound keys:

Instance Method Summary collapse

Methods inherited from Processor

#applies_to?, #stamp

Constructor Details

#initialize ⇒ GithubWikiProcessor

Returns a new instance of GithubWikiProcessor.



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# File 'lib/pagehub-markdown/processors/embedder.rb', line 161

def initialize()
  super(["github-wiki", /github.com.*\/wiki\//])
end

Instance Method Details

#process(content, uri, args = "") ⇒ Object

Returns the content of the node <div class=‘markdown-body’></div>, it will also remove all id attributes of all content nodes.

Supported options:

  1. reduce-headings: all heading nodes (<h1> through <h5>) will be

stepped one level, so h1 becomes h2, etc.



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# File 'lib/pagehub-markdown/processors/embedder.rb', line 171

def process(content, uri, args = "")
  html_doc = Nokogiri::HTML(content) do |config| config.noerror end

  node = html_doc.xpath("//div[@class='markdown-body']").first

  stamp(node, uri, 'github-wiki')

  if args.include?("reduce-headings") then
    5.downto(1) { |level|
      node.xpath("//h#{level}").each { |heading_node|
        heading_node.name = "h#{level+1}"
      }
    }
  end

  node
end