Module: Octopress::EscapeCode

Defined in:
lib/octopress-escape-code.rb,
lib/octopress-escape-code/version.rb

Defined Under Namespace

Classes: EscapePage, EscapePost

Constant Summary collapse

VERSION = 
"2.0.3"

Class Method Summary collapse

Class Method Details

.escape(page) ⇒ Object 



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# File 'lib/octopress-escape-code.rb', line 53

def self.escape(page)
  ext = page.ext.downcase
  content = page.content.encode!("UTF-8")
  md_ext = %w{.markdown .mdown .mkdn .md .mkd .mdwn .mdtxt .mdtext}

  # Escape existing raw tags
  #
  content = content.gsub(/% (end)?raw %/, '*-\1raw-*')

  # Escape markdown style code blocks
  if md_ext.include?(ext)

    # Escape four tab or space indented code blocks
    content = content.gsub /^((\t| {4})[^\n].+?)\n($|\S)/m do
      "{% raw %}#{$1}\n{% endraw %}#{$3}"
    end

    # Escape in-line code backticks
    content = content.gsub /(`[^`\n]+?`)/ do
      "{% raw %}#{$1}{% endraw %}"
    end

    # Escape in-line code double backticks
    content = content.gsub /(``[^\n]+?``)/ do
      "{% raw %}#{$1}{% endraw %}"
    end

    # Remove internal raw tags within tab or space intented codeblocks
    content = content.gsub /^({% raw %})?((\t| {4})[^\n].+?)\n($|\S)/m do
      c1 = $1
      c2 = $2
      c4 = $4

      "#{c1}#{c2.gsub(/{% (end)?raw %}/, '')}\n#{c4}"
    end
  end

  # Escape codefenced codeblocks
  content = content.gsub /^(`{3}.+?`{3})/m do
    
    # Replace any raw/endraw tags inside of codefence block
    # as some of the regex above may have escaped contents
    # of the codefence block
    #
    code = $1.gsub(/{% raw %}/, '').gsub(/{% endraw %}/, '') 

    # Wrap codefence content in raw tags
    "{% raw %}\n#{code}\n{% endraw %}"
  end

  # Escape codeblock tag contents
  content = content.gsub /^({%\s*codeblock.+?%})(.+?){%\s*endcodeblock\s*%}/m do
    "#{$1}{% raw %}#{$2.gsub /{% (end)?raw %}/, ''}{% endraw %}{% endcodeblock %}"
  end

  # Escape highlight tag contents
  content = content.gsub /^({%\s*highlight.+?%})(.+?){%\s*endhighlight\s*%}/m do
    "#{$1}{% raw %}#{$2.gsub(/{% (end)?raw %}/, '')}{% endraw %}{% endhighlight %}"
  end

  content
end

.escape_enabled?(page) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/octopress-escape-code.rb', line 39

def self.escape_enabled?(page)
  get_config(page, 'escape_code', false)
end

.get_config(page, config, default) ⇒ Object 



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# File 'lib/octopress-escape-code.rb', line 43

def self.get_config(page, config, default)
  site_config = page.site.config[config]
  site_config = default if site_config.nil?

  page_config = page.data[config]
  page_config = site_config if page_config.nil?

  page_config
end

.unescape_raw(page) ⇒ Object 



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# File 'lib/octopress-escape-code.rb', line 35

def self.unescape_raw(page)
  page.output.gsub!(/\*-(end)?raw-\*/, '% \1raw %')
end