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
|
# File 'lib/softcover/commands/exercises.rb', line 7
def add_to_chapters!
require 'securerandom'
Dir["chapters/*.tex"].each do |path|
str = ""
in_exercise = false
n = 0
line_number = 0
lines = []
File.read(path).each_line { |line| lines.push line }
lines.each do |line|
str += line
case line
when %r{\\subsubsection{Exercises}}
in_exercise = true
when %r{\\end{enumerate}}
in_exercise = false
when %r{\\item}
if in_exercise && !(lines[line_number + 1] =~ /^%= <span/)
str += "%= <span class='exercise' id='ex-#{SecureRandom.hex(3)}'></span>\n"
n += 1
end
end
line_number += 1
end
File.open(path, "w") { |f| f.write str }
exercises = n == 1 ? "exercise" : "exercises"
puts "#{path}: wrote #{n} #{exercises}"
end
end
|