Class: Diff::LCS::HTMLDiff
- Defined in:
- lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/diff-lcs-1.5.0/lib/diff/lcs/htmldiff.rb
Overview
Produce a simple HTML diff view.
Defined Under Namespace
Classes: Callbacks
Constant Summary collapse
- DEFAULT_OPTIONS =
{ :expand_tabs => nil, :output => nil, :css => nil, :title => nil }.freeze
- DEFAULT_CSS =
<<-CSS body { margin: 0; } .diff { border: 1px solid black; margin: 1em 2em; } p { margin-left: 2em; } pre { padding-left: 1em; margin: 0; font-family: Inconsolata, Consolas, Lucida, Courier, monospaced; white-space: pre; } .match { } .only_a { background-color: #fdd; color: red; text-decoration: line-through; } .only_b { background-color: #ddf; color: blue; border-left: 3px solid blue } h1 { margin-left: 2em; } CSS
Class Attribute Summary collapse
-
.can_expand_tabs ⇒ Object
:nodoc:.
Instance Attribute Summary collapse
-
#options ⇒ Object
readonly
Returns the value of attribute options.
Instance Method Summary collapse
-
#initialize(left, right, options = nil) ⇒ HTMLDiff
constructor
A new instance of HTMLDiff.
- #run ⇒ Object
Constructor Details
#initialize(left, right, options = nil) ⇒ HTMLDiff
Returns a new instance of HTMLDiff.
90 91 92 93 94 95 96 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/diff-lcs-1.5.0/lib/diff/lcs/htmldiff.rb', line 90 def initialize(left, right, = nil) @left = left @right = right @options = @options = DEFAULT_OPTIONS.dup if @options.nil? end |
Class Attribute Details
.can_expand_tabs ⇒ Object
:nodoc:
8 9 10 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/diff-lcs-1.5.0/lib/diff/lcs/htmldiff.rb', line 8 def @can_expand_tabs end |
Instance Attribute Details
#options ⇒ Object (readonly)
Returns the value of attribute options.
110 111 112 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/diff-lcs-1.5.0/lib/diff/lcs/htmldiff.rb', line 110 def @options end |
Instance Method Details
#run ⇒ Object
112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 |
# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/diff-lcs-1.5.0/lib/diff/lcs/htmldiff.rb', line 112 def run if @options[:expand_tabs].positive? && self.class. formatter = Text::Format.new formatter.tabstop = @options[:expand_tabs] @left.map! do |line| formatter.(line.chomp) end @right.map! do |line| formatter.(line.chomp) end end @left.map! do |line| CGI.escapeHTML(line.chomp) end @right.map! do |line| CGI.escapeHTML(line.chomp) end @options[:output] << <<-OUTPUT <html> <head> <title>#{@options[:title]}</title> <style type="text/css"> #{@options[:css]} </style> </head> <body> <h1>#{@options[:title]}</h1> <p>Legend: <span class="only_a">Only in Old</span> <span class="only_b">Only in New</span></p> <div class="diff"> OUTPUT callbacks = Callbacks.new(@options[:output]) Diff::LCS.traverse_sequences(@left, @right, callbacks) @options[:output] << <<-OUTPUT </div> </body> </html> OUTPUT end |