From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/rdoc/markup/to_ansi.rb | 93 +++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 jni/ruby/lib/rdoc/markup/to_ansi.rb

(limited to 'jni/ruby/lib/rdoc/markup/to_ansi.rb')

diff --git a/jni/ruby/lib/rdoc/markup/to_ansi.rb b/jni/ruby/lib/rdoc/markup/to_ansi.rb
new file mode 100644
index 0000000..4d439ce
--- /dev/null
+++ b/jni/ruby/lib/rdoc/markup/to_ansi.rb
@@ -0,0 +1,93 @@
+##
+# 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
+
-- 
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