blob: 10c31854d2111704e64c854cd175019cb61ddfe8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
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
|
