Class: HTMLProofer::Element

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/html-proofer/element.rb

Overview

Represents the element currently being processed

Constant Summary

Constants included from Utils

Utils::STORAGE_DIR

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

clean_content, create_nokogiri, #pluralize, swap

Constructor Details

#initialize(obj, check) ⇒ Element

Returns a new instance of Element.



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/html-proofer/element.rb', line 11

def initialize(obj, check)
  # Contruct readable ivars for every element
  obj.attributes.each_pair do |attribute, value|
    name = "#{attribute.tr('-:.', '_')}".to_sym
    (class << self; self; end).send(:attr_reader, name)
    instance_variable_set("@#{name}", value.value)
  end

  @text = obj.content
  @check = check
  @checked_paths = {}
  @type = check.class.name
  @line = obj.line

  # fix up missing protocols
  @href.insert 0, 'http:' if @href =~ %r{^//}
  @src.insert 0, 'http:' if @src =~ %r{^//}
  @srcset.insert 0, 'http:' if @srcset =~ %r{^//}
end

Instance Attribute Details

#alt ⇒ Object (readonly)

Returns the value of attribute alt.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def alt
  @alt
end

#data_proofer_ignore ⇒ Object (readonly)

Returns the value of attribute data_proofer_ignore.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def data_proofer_ignore
  @data_proofer_ignore
end

#href ⇒ Object (readonly)

Returns the value of attribute href.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def href
  @href
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def id
  @id
end

#line ⇒ Object (readonly)

Returns the value of attribute line.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def line
  @line
end

#link ⇒ Object (readonly)

Returns the value of attribute link.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def link
  @link
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def name
  @name
end

#src ⇒ Object (readonly)

Returns the value of attribute src.



9
10
11
 
# File 'lib/html-proofer/element.rb', line 9

def src
  @src
end

Instance Method Details

#absolute_path ⇒ Object 



141
142
143
144
 
# File 'lib/html-proofer/element.rb', line 141

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

#allow_hash_href? ⇒ Boolean

Returns:

  • (Boolean) 


90
91
92
 
# File 'lib/html-proofer/element.rb', line 90

def allow_hash_href?
  @check.options[:allow_hash_href]
end

#exists? ⇒ Boolean

checks if a file exists relative to the current pwd

Returns:

  • (Boolean) 


136
137
138
139
 
# File 'lib/html-proofer/element.rb', line 136

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

#external? ⇒ Boolean

path is external to the file

Returns:

  • (Boolean) 


95
96
97
 
# File 'lib/html-proofer/element.rb', line 95

def external?
  !internal?
end

#file_path ⇒ Object 



104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
 
# File 'lib/html-proofer/element.rb', line 104

def file_path
  return if path.nil?

  path_dot_ext = ''

  if @check.options[:assume_extension]
    path_dot_ext = path + @check.options[:extension]
  end

  if path =~ %r{^/} # path relative to root
    base = File.directory?(@check.src) ? @check.src : File.dirname(@check.src)
  elsif File.exist?(File.expand_path(path, @check.src)) || File.exist?(File.expand_path(path_dot_ext, @check.src)) # relative links, path is a file
    base = File.dirname @check.path
  elsif File.exist?(File.join(File.dirname(@check.path), path)) || File.exist?(File.join(File.dirname(@check.path), path_dot_ext)) # 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 support
  if File.directory?(file) && !unslashed_directory?(file)
    file = File.join file, @check.options[:directory_index_file]
  elsif @check.options[:assume_extension] && File.file?("#{file}#{@check.options[:extension]}")
    file = "#{file}#{@check.options[:extension]}"
  end

  file
end

#follow_location? ⇒ Boolean

Returns:

  • (Boolean) 


162
163
164
 
# File 'lib/html-proofer/element.rb', line 162

def follow_location?
  @check.options[:typhoeus] && @check.options[:typhoeus][:followlocation]
end

#hash ⇒ Object 



51
52
53
 
# File 'lib/html-proofer/element.rb', line 51

def hash
  parts.fragment unless parts.nil?
end

#ignore? ⇒ Boolean

Returns:

  • (Boolean) 


68
69
70
71
72
73
74
75
76
77
78
79
80
 
# File 'lib/html-proofer/element.rb', line 68

def ignore?
  return true if @data_proofer_ignore

  return true if url.match(/^javascript:/)

  # ignore base64 encoded images
  if %w(ImageCheck FaviconCheck).include? @type
    return true if url.match(/^data:image/)
  end

  # ignore user defined URLs
  return true if ignores_pattern_check(@check.options[:url_ignore])
end

#ignore_alt? ⇒ Boolean

Returns:

  • (Boolean) 


82
83
84
 
# File 'lib/html-proofer/element.rb', line 82

def ignore_alt?
  return true if ignores_pattern_check(@check.options[:alt_ignore])
end

#ignore_empty_alt? ⇒ Boolean

Returns:

  • (Boolean) 


86
87
88
 
# File 'lib/html-proofer/element.rb', line 86

def ignore_empty_alt?
  @check.options[:empty_alt_ignore]
end

#ignores_pattern_check(links) ⇒ Object 



146
147
148
149
150
151
152
153
154
155
156
 
# File 'lib/html-proofer/element.rb', line 146

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 or a query

Returns:

  • (Boolean) 


100
101
102
 
# File 'lib/html-proofer/element.rb', line 100

def internal?
  url.start_with? '#', '?'
end

#non_http_remote? ⇒ Boolean

Returns:

  • (Boolean) 


64
65
66
 
# File 'lib/html-proofer/element.rb', line 64

def non_http_remote?
  !scheme.nil? && !remote?
end

#parts ⇒ Object 



41
42
43
44
45
 
# File 'lib/html-proofer/element.rb', line 41

def parts
  @parts ||= Addressable::URI.parse url
rescue URI::Error, Addressable::URI::InvalidURIError => e
  @parts = nil
end

#path ⇒ Object 



47
48
49
 
# File 'lib/html-proofer/element.rb', line 47

def path
  Addressable::URI.unencode parts.path unless parts.nil?
end

#remote? ⇒ Boolean

path is to an external server

Returns:

  • (Boolean) 


60
61
62
 
# File 'lib/html-proofer/element.rb', line 60

def remote?
  %w( http https ).include? scheme
end

#scheme ⇒ Object 



55
56
57
 
# File 'lib/html-proofer/element.rb', line 55

def scheme
  parts.scheme unless parts.nil?
end

#unslashed_directory?(file) ⇒ Boolean

Returns:

  • (Boolean) 


158
159
160
 
# File 'lib/html-proofer/element.rb', line 158

def unslashed_directory?(file)
  File.directory?(file) && !file.end_with?(File::SEPARATOR) && !follow_location?
end

#url ⇒ Object 



31
32
33
34
35
 
# File 'lib/html-proofer/element.rb', line 31

def url
  url = (@src || @srcset || @href || '').gsub("\u200b", '')
  return url if @check.options[:url_swap].empty?
  swap(url, @check.options[:url_swap])
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


37
38
39
 
# File 'lib/html-proofer/element.rb', line 37

def valid?
  !parts.nil?
end