Sha256: 3785880e5e687c20508a7922010cb9712f9fe1fba0544e9002ac98390c80b878
Contents?: true
Size: 1.34 KB
Versions: 18
Compression:
Stored size: 1.34 KB
Contents
require 'readline.so'
class String
def prompt (echo = true)
if !STDIN.tty?
raise Exception.new("cannot use #{String@prompt} when STDIN is redirected\n")
end
prpt = self
aList = []
if self.rstrip =~ /\<(.*?)\>$/
pre = $`
aarr = $1.split(/\|/)
aarr.each_index do |i|
e = aarr[i]
case e
when "y"
aList.push ["y", "Yes"]
aarr[i] = "Yes"
when "n"
aList.push ["n", "No"]
aarr[i] = "No"
when "ya"
aList.push ["ya", "Yes to all"]
aarr[i] = "Yes to all(ya)"
when "na"
aList.push ["na", "No to all"]
aarr[i] = "No to all(na)"
when "a"
aList.push ["a", "All"]
aarr[i] = "All"
else
if e =~ /\[(.+?)\]/
c = $1[0].chr
e = $` + $1 + $'
aList.push [c, e]
elsif e =~ /\((.+?)\)/
c = $1[0].chr
e = $`
aList.push [c, e]
else
c = e[0].chr
aList.push [c, e]
end
end
end
prpt = "#{pre}<#{aarr.join("|")}>"
end
system "stty -echo"
begin
res = Readline.readline(prpt)
ensure
system "stty echo"
end
if aList && aList.size >= 2
if res == nil || (res = res.strip) == ""
return aList[0][0]
else
aList.each do |e|
e.each do |f|
if res =~ /^#{Regexp.escape f}$/i
return e[0]
end
end
end
return aList[0][0]
end
else
return res
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems