Class: HTML::Proofer::Checkable

Inherits:
Object
  • Object
show all
Defined in:
lib/html/proofer/checkable.rb

Direct Known Subclasses

Favicon, Image, Link, Script

Instance Method Summary collapse

Constructor Details

#initialize(obj, type, check) ⇒ Checkable

Returns a new instance of Checkable.



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# File 'lib/html/proofer/checkable.rb', line 4

def initialize(obj, type, check)
  @src = obj['src']
  @href = obj['href']
  @alt = obj['alt']
  @name = obj['name']
  @id = obj['id']
  @rel = obj['rel']

  @data_ignore_proofer = obj['data-proofer-ignore']
  @content = obj.content
  @check = check
  @checked_paths = {}
  @type = type

  if @href && @check.options[:href_swap]
    @check.options[:href_swap].each do |link, replace|
      @href = @href.gsub(link, replace)
    end
  end

  # fix up missing protocols
  @href.insert 0, "http:" if @href =~ /^\/\//
  @src.insert 0, "http:" if @src =~ /^\/\//

end

Instance Method Details

#absolute_path ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 122

def absolute_path
  path = file_path || @check.path
  File.expand_path path, Dir.pwd
end

#exists? ⇒ Boolean

checks if a file exists relative to the current pwd

Returns:

  • (Boolean) 


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# File 'lib/html/proofer/checkable.rb', line 117

def exists?
  return @checked_paths[absolute_path] if @checked_paths.has_key? absolute_path
  @checked_paths[absolute_path] = File.exist? absolute_path
end

#external? ⇒ Boolean

path is external to the file

Returns:

  • (Boolean) 


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# File 'lib/html/proofer/checkable.rb', line 86

def external?
  !internal?
end

#file_path ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 95

def file_path
  return if path.nil?

  if path =~ /^\// # path relative to root
    base = File.directory?(@check.src) ? @check.src : File.dirname(@check.src)
  elsif File.exist?(File.expand_path path, @check.src) # relative links, path is a file
    base = File.dirname @check.path
  elsif File.exist?(File.join(File.dirname(@check.path), path)) # relative links in nested dir, path is a file
    base = File.dirname @check.path
  else # relative link, path is a directory
    base = @check.path
  end

  file = File.join base, path

  # implicit /index.html support, with support for trailing slashes
  file = File.join path, "index.html" if File.directory? File.expand_path file, @check.src

  file
end

#hash ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 50

def hash
  parts.fragment
end

#ignore? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/html/proofer/checkable.rb', line 64

def ignore?
  return true if @data_ignore_proofer

  case @type
  when "favicon"
    return true if url.match(/^data:image/)
  when "link"
    return true if ignores_pattern_check(@check.additional_href_ignores)
  when "image"
    return true if url.match(/^data:image/)
    return true if ignores_pattern_check(@check.additional_alt_ignores)
  end

  uri = URI.parse url
  %w( mailto tel ).include?(uri.scheme)
rescue URI::BadURIError
  false
rescue URI::InvalidURIError
  false
end

#ignores_pattern_check(links) ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 127

def ignores_pattern_check(links)
  links.each do |ignore|
    if ignore.is_a? String
      return true if ignore == url
    elsif ignore.is_a? Regexp
      return true if ignore =~ url
    end
  end

  false
end

#internal? ⇒ Boolean

path is an anchor

Returns:

  • (Boolean) 


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# File 'lib/html/proofer/checkable.rb', line 91

def internal?
  url[0] == "#"
end

#parts ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 42

def parts
   URI.parse url
end

#path ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 46

def path
  parts.path
end

#remote? ⇒ Boolean

path is to an external server

Returns:

  • (Boolean) 


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# File 'lib/html/proofer/checkable.rb', line 55

def remote?
  uri = URI.parse url
  %w( http https ).include?(uri.scheme)
rescue URI::BadURIError
  false
rescue URI::InvalidURIError
  false
end

#url ⇒ Object 



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# File 'lib/html/proofer/checkable.rb', line 30

def url
  @src || @href || ""
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/html/proofer/checkable.rb', line 34

def valid?
  begin
    URI.parse url
  rescue
    false
  end
end