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Hugo Figueiredo Solution
#
# [Author] HugoLnx/HugoLinux
# [Version] 0.0.1.0
#
require 'optparse'
require 'jcode'
class String
def is_number?
s = self
s = self[0...s.size - 1] if s[(s.size - 1)..s.size] == "\n"
return false if s == ''
s.each_char{|char|
return false if !('0'..'9').any?{|num| num == char}
}
return true
end
end
class SubTitle
def initialize(file)
@composition = []
lines = file.readlines
i_line = 0
i_block = 0
while lines[i_line].to_i == 0
i_line += 1
end
while i_line < lines.size
block = {}
block[:id] = lines[i_line]
i_line += 1
block[:time_range] = TimeRange.new(lines[i_line])
i_line += 1
texts = []
while i_line < lines.size and !lines[i_line].is_number?
texts << lines[i_line]
i_line += 1
end
block[:texts] = texts
@composition[i_block] = block
i_block += 1
end
end
def to_file(path)
file = File.new(path,'w')
@composition.each{|block|
file << (block[:id])
file << block[:time_range].to_s + "\n"
block[:texts].each{|line| file << line}
}
end
def add(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@composition.each{|block|
block[:time_range].add(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
}
end
def sub(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
warning = false
@composition.each{|block|
block[:time_range].sub(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
warning = true if block[:time_range].init_time.hour < 0 or
block[:time_range].final_time.hour < 0
}
puts 'WARNING: Some times are negative' if warning
end
end
class Time
def initialize(time_s)
time_s[8] = '.'
@hour = time_s.slice(0..1).to_i
@min = time_s.slice(3..4).to_i
@sec = time_s.slice(6..7).to_i
@millisec = time_s.slice(9..11).to_i
end
def to_s
return "%.2d:%.2d:%.2d,%.3d" % [@hour,@min,@sec,@millisec]
end
def add(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@hour += qnt_hour
@min += qnt_min
@sec += qnt_sec
@millisec += qnt_millisec
while @millisec >= 1000
@millisec -= 1000
@sec += 1
end
while @sec >= 60
@sec -= 60
@min += 1
end
while @min >= 60
@min -= 60
@hour += 1
end
end
def sub(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@hour -= qnt_hour
@min -= qnt_min
@sec -= qnt_sec
@millisec -= qnt_millisec
while @millisec < 0
@millisec += 1000
@sec -= 1
end
while @sec < 0
@sec += 60
@min -= 1
end
while @min < 0
@min += 60
@hour -= 1
end
end
end
class TimeRange
attr_accessor :init_time
attr_accessor :final_time
def initialize(time_range_s)
@init_time = Time.new(time_range_s.slice(0..11))
@final_time = Time.new(time_range_s.slice(17..28))
end
def to_s
return @init_time.to_s + ' --> ' + @final_time.to_s
end
def add(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@init_time.add(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@final_time.add(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
end
def sub(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@init_time.sub(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
@final_time.sub(qnt_hour,qnt_min,qnt_sec,qnt_millisec)
end
end
class OptParser < OptionParser
attr :opts
alias ori_initialize initialize
def initialize
ori_initialize
@opts = {}
declare_options
end
def declare_options
def_option('--operation'){
@opts[:oper] = true
}
def_option('--time'){
@opts[:time] = true
}
parse!
end
end
class TimeArgument
attr :hour
attr :min
attr :sec
attr :millisec
def initialize(arg)
hour_s = ''
min_s = ''
sec_s = ''
millisec_s = ''
arg.reverse!
while arg[0].chr != ','
millisec_s += arg[0].chr
arg[0] = ''
return if arg[0] == nil
end
arg[0] = ''
return if arg[0] == nil
while arg[0].chr != ','
sec_s += arg[0].chr
arg[0] = ''
return if arg[0] == nil
end
arg[0] = ''
return if arg[0] == nil
while arg[0].chr != ','
min_s += arg[0].chr
arg[0] = ''
return if arg[0] == nil
end
arg[0] = ''
return if arg[0] == nil
while arg[0].chr != ','
hour_s += arg[0].chr
arg[0] = ''
return if arg[0] == nil
end
arg[0] = ''
ensure
hour_s.reverse!
min_s.reverse!
sec_s.reverse!
millisec_s.reverse!
@hour = hour_s.to_i
@min = min_s.to_i
@sec = sec_s.to_i
@millisec = millisec_s.to_i
end
end
begin
optparser = OptParser.new rescue(
puts 'Incorrect Option(s)'
sleep 1
exit
)
if optparser.opts[:oper] and optparser.opts[:time]
puts 'Loading subtitle'
input_file = File.open(ARGV[2],'r')
subtitle = SubTitle.new(input_file)
puts 'Changing the times of subtitle'
time_arg = TimeArgument.new(ARGV[1].dup)
eval("subtitle.#{ARGV[0]}(#{time_arg.hour},#{time_arg.min},#{time_arg.sec},#{time_arg.millisec})")
puts "Creating #{ARGV[3]}"
subtitle.to_file(ARGV[3])
puts "'#{ARGV[3]}' has been created"
end rescue(
puts 'Incorrect Argument(s)'
sleep 1
)
end
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