summaryrefslogtreecommitdiff
path: root/jni/ruby/lib/rdoc/markup/to_bs.rb
diff options
context:
space:
mode:
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_bs.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rdoc/markup/to_bs.rb')
-rw-r--r--jni/ruby/lib/rdoc/markup/to_bs.rb78
1 files changed, 78 insertions, 0 deletions
diff --git a/jni/ruby/lib/rdoc/markup/to_bs.rb b/jni/ruby/lib/rdoc/markup/to_bs.rb
new file mode 100644
index 0000000..10c3185
--- /dev/null
+++ b/jni/ruby/lib/rdoc/markup/to_bs.rb
@@ -0,0 +1,78 @@
+##
+# Outputs RDoc markup with hot backspace action! You will probably need a
+# pager to use this output format.
+#
+# This formatter won't work on 1.8.6 because it lacks String#chars.
+
+class RDoc::Markup::ToBs < RDoc::Markup::ToRdoc
+
+ ##
+ # Returns a new ToBs that is ready for hot backspace action!
+
+ def initialize markup = nil
+ super
+
+ @in_b = false
+ @in_em = false
+ end
+
+ ##
+ # Sets a flag that is picked up by #annotate to do the right thing in
+ # #convert_string
+
+ def init_tags
+ add_tag :BOLD, '+b', '-b'
+ add_tag :EM, '+_', '-_'
+ add_tag :TT, '' , '' # we need in_tt information maintained
+ end
+
+ ##
+ # Makes heading text bold.
+
+ def accept_heading heading
+ use_prefix or @res << ' ' * @indent
+ @res << @headings[heading.level][0]
+ @in_b = true
+ @res << attributes(heading.text)
+ @in_b = false
+ @res << @headings[heading.level][1]
+ @res << "\n"
+ end
+
+ ##
+ # Turns on or off special handling for +convert_string+
+
+ def annotate tag
+ case tag
+ when '+b' then @in_b = true
+ when '-b' then @in_b = false
+ when '+_' then @in_em = true
+ when '-_' then @in_em = false
+ end
+ ''
+ end
+
+ ##
+ # Calls convert_string on the result of convert_special
+
+ def convert_special special
+ convert_string super
+ end
+
+ ##
+ # Adds bold or underline mixed with backspaces
+
+ def convert_string string
+ return string unless string.respond_to? :chars # your ruby is lame
+ return string unless @in_b or @in_em
+ chars = if @in_b then
+ string.chars.map do |char| "#{char}\b#{char}" end
+ elsif @in_em then
+ string.chars.map do |char| "_\b#{char}" end
+ end
+
+ chars.join
+ end
+
+end
+