style: Lua 统一缩进 4 空格

lua/cold_word_drop/string.lua

@@ -3,38 +3,39 @@
 --      string.utf8_len = utf8.len
 --      string.utf8_offset= utf8.offset
 --      string.utf8_sub= utf8.sub
-function string.split( str, sp,sp1)
-  sp =type(sp) == "string"  and sp or " "    
-  if #sp == 0 then
-    sp= "([%z\1-\127\194-\244][\128-\191]*)"
-  elseif #sp == 1 then 
-    sp= "[^" ..  (sp=="%" and "%%" or sp) .. "]*"  
-  else 
-    sp1= sp1 or "^"
-    str=str:gsub(sp,sp1)
-    sp=  "[^".. sp1 .. "]*"
-  end 
+function string.split(str, sp, sp1)
+    sp = type(sp) == "string" and sp or " "
+    if #sp == 0 then
+        sp = "([%z\1-\127\194-\244][\128-\191]*)"
+    elseif #sp == 1 then
+        sp = "[^" .. (sp == "%" and "%%" or sp) .. "]*"
+    else
+        sp1 = sp1 or "^"
+        str = str:gsub(sp, sp1)
+        sp = "[^" .. sp1 .. "]*"
+    end
 
-  local tab= {}
-  for v in str:gmatch(sp) do
-    table.insert(tab,v)
-  end 
-  return tab 
+    local tab = {}
+    for v in str:gmatch(sp) do
+        table.insert(tab, v)
+    end
+    return tab
 end
 
-function utf8.gsub(str,si,ei)
-  local function index(ustr,i)
-    return i>=0 and ( ustr:utf8_offset(i) or ustr:len() +1 )
-    or ( ustr:utf8_offset(i) or 1 )
-  end
+function utf8.gsub(str, si, ei)
+    local function index(ustr, i)
+        return i >= 0 and (ustr:utf8_offset(i) or ustr:len() + 1)
+            or (ustr:utf8_offset(i) or 1)
+    end
 
-  local u_si= index(str,si)
-  ei = ei or str:utf8_len()
-  ei = ei >=0 and ei +1 or ei
-  local u_ei= index(str, ei ) -1
-  return str:sub(u_si,u_ei)
+    local u_si = index(str, si)
+    ei = ei or str:utf8_len()
+    ei = ei >= 0 and ei + 1 or ei
+    local u_ei = index(str, ei) - 1
+    return str:sub(u_si, u_ei)
 end
-string.utf8_len= utf8.len
-string.utf8_offset=utf8.offset
-string.utf8_sub= utf8.gsub
+
+string.utf8_len = utf8.len
+string.utf8_offset = utf8.offset
+string.utf8_sub = utf8.gsub
 return true