Help us understand the problem. What is going on with this article?

# オフラインリアルタイムどう書く第三回の参考問題解答(Lua)

More than 5 years have passed since last update.

オフラインリアルタイムどう書く第三回の参考問題
http://qiita.com/items/ebd8a56b41711ba459f9

…のgroovyでの回答例
https://gist.github.com/3381668

…をLuaに翻訳してみました。

Baseball =
{
s = function(self)
self.strike = self.strike + 1
if 2 < self.strike then
self.strike = 0
self:o()
end
end,

b = function(self)
self.ball = self.ball + 1
if 3 < self.ball then
self:h()
end
end,

o = function(self)
self.out = self.out + 1
if 2 < self.out then
self.strike = 0
self.ball   = 0
self.out    = 0
end
end,

f = function(self)
if self.strike < 2 then
self:s()
end
end,

h = function(self)
self.strike = 0
self.ball   = 0
end,

p = function(self)
self:h()
self:o()
end,

resolve = function(self, it)
self.strike = 0
self.ball   = 0
self.out    = 0
local result = ""
for i = 1, #it do
self[it:sub(i, i)](self)
result = result .. "," .. self.out .. self.strike .. self.ball
end
return result:sub(2)
end
}

test =
{
["sss"] = "010,020,100",
["bbbb"] = "001,002,003,000",
["ssbbbb"] = "010,020,021,022,023,000",
["hsbhfhbh"] = "000,010,011,000,010,000,001,000",
["psbpfpbp"] = "100,110,111,200,210,000,001,100",
["ppp"] = "100,200,000",
["ffffs"] = "010,020,020,020,100",
["ssspfffs"] = "010,020,100,200,210,220,220,000",
["bbbsfbppp"] = "001,002,003,013,023,000,100,200,000",
["sssbbbbsbhsbppp"] = "010,020,100,101,102,103,100,110,111,100,110,111,200,000,100",
["ssffpffssp"] = "010,020,020,020,100,110,120,200,210,000"
}

for k, v in pairs(test) do
local r = Baseball:resolve(k)
print("source   = " .. k)
print("expected = " .. v)
print("actual   = " .. r)
print(r == v)
print()
end
ソフトウェアエンジニア、言語オタク
http://d.hatena.ne.jp/E_Mattsan/
We build applications which work well and make customers happy.
http://www.esm.co.jp
Why not register and get more from Qiita?
1. We will deliver articles that match you
By following users and tags, you can catch up information on technical fields that you are interested in as a whole
2. you can read useful information later efficiently
By "stocking" the articles you like, you can search right away