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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rdoc/markup/to_ansi.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rdoc/markup/to_ansi.rb')
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1 files changed, 93 insertions, 0 deletions
diff --git a/jni/ruby/lib/rdoc/markup/to_ansi.rb b/jni/ruby/lib/rdoc/markup/to_ansi.rb
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+++ b/jni/ruby/lib/rdoc/markup/to_ansi.rb
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+##
+# Outputs RDoc markup with vibrant ANSI color!
+
+class RDoc::Markup::ToAnsi < RDoc::Markup::ToRdoc
+
+ ##
+ # Creates a new ToAnsi visitor that is ready to output vibrant ANSI color!
+
+ def initialize markup = nil
+ super
+
+ @headings.clear
+ @headings[1] = ["\e[1;32m", "\e[m"] # bold
+ @headings[2] = ["\e[4;32m", "\e[m"] # underline
+ @headings[3] = ["\e[32m", "\e[m"] # just green
+ end
+
+ ##
+ # Maps attributes to ANSI sequences
+
+ def init_tags
+ add_tag :BOLD, "\e[1m", "\e[m"
+ add_tag :TT, "\e[7m", "\e[m"
+ add_tag :EM, "\e[4m", "\e[m"
+ end
+
+ ##
+ # Overrides indent width to ensure output lines up correctly.
+
+ def accept_list_item_end list_item
+ width = case @list_type.last
+ when :BULLET then
+ 2
+ when :NOTE, :LABEL then
+ if @prefix then
+ @res << @prefix.strip
+ @prefix = nil
+ end
+
+ @res << "\n" unless res.length == 1
+ 2
+ else
+ bullet = @list_index.last.to_s
+ @list_index[-1] = @list_index.last.succ
+ bullet.length + 2
+ end
+
+ @indent -= width
+ end
+
+ ##
+ # Adds coloring to note and label list items
+
+ def accept_list_item_start list_item
+ bullet = case @list_type.last
+ when :BULLET then
+ '*'
+ when :NOTE, :LABEL then
+ labels = Array(list_item.label).map do |label|
+ attributes(label).strip
+ end.join "\n"
+
+ labels << ":\n" unless labels.empty?
+
+ labels
+ else
+ @list_index.last.to_s + '.'
+ end
+
+ case @list_type.last
+ when :NOTE, :LABEL then
+ @indent += 2
+ @prefix = bullet + (' ' * @indent)
+ else
+ @prefix = (' ' * @indent) + bullet.ljust(bullet.length + 1)
+
+ width = bullet.gsub(/\e\[[\d;]*m/, '').length + 1
+
+ @indent += width
+ end
+ end
+
+ ##
+ # Starts accepting with a reset screen
+
+ def start_accepting
+ super
+
+ @res = ["\e[0m"]
+ end
+
+end
+