Module:Songtable：修订间差异

Module:Songtable (查看源代码)

添加57字节、 2024年3月12日 (星期二)

重构，merge支持任意长度的列表

1,508

个编辑

@@ 第177行： / 第177行： @@
 function merge(list)
-    local merge
+    local span = {}
-   if list[4] then merge = {1, 1, 1, 1} else merge = {1, 1, 1} end
-   local o
-   if list[4] then o = 4 else o = 3 end
-    if list[4] then
+    local lastUniqueIndex = nil
-      if list[4] == list[3] then merge[3] = merge[3] + merge[4] merge[4] = 0 end
+   local currentIndex = 1
+   while currentIndex<=#list do
+      if lastUniqueIndex and list[lastUniqueIndex] == list[currentIndex] then
+       span[lastUniqueIndex] = span[lastUniqueIndex] + 1
+       span[currentIndex] = 0
+     else
+       lastUniqueIndex = currentIndex
+       span[currentIndex] = 1
+     end
+     currentIndex = currentIndex + 1
     end
-    if list[3] == list[2] then merge[2] = merge[2] + merge[3] merge[3] = 0 end
+    local merge = {}
-   if list[2] == list[1] then merge[1] = merge[1] + merge[2] merge[2] = 0 end
-    for i = 1, o do
+    for i = 1, #list do
-      if merge[i] == 0 then
+      if span[i] == 0 then
         merge[i] = 'display:none'
       else
-        merge[i] = 'grid-column-start: span '..merge[i] .. ';'
+        merge[i] = 'grid-column-start: span '..span[i] .. ';'
       end
     end