我想解析一个只包含使用 Lua 保存的表的文件,但是,虽然信息是合乎逻辑的(易于理解它的用途),但存储概念使得使用传统的 Lua 解析策略变得非常困难。
例如,这是结构一部分的截图:
["Bag-3"] = {
["ids"] = {
2589, -- [1]
108996, -- [2]
4306, -- [3]
2453, -- [4]
108330, -- [5]
2450, -- [6]
4337, -- [7]
2592, -- [8]
108326, -- [9]
6470, -- [10]
1529, -- [11]
4338, -- [12]
3404, -- [13]
3685, -- [14]
108325, -- [15]
108324, -- [16]
7067, -- [17]
785, -- [18]
5503, -- [19]
5504, -- [20]
7069, -- [21]
5500, -- [22]
108323, -- [23]
12662, -- [24]
53010, -- [25]
62791, -- [26]
76061, -- [27]
74866, -- [28]
120945, -- [29]
109131, -- [30]
111557, -- [31]
30817, -- [32]
89112, -- [33]
30183, -- [34]
23572, -- [35]
36931, -- [36]
34057, -- [37]
43102, -- [38]
74249, -- [39]
72120, -- [40]
79010, -- [41]
72092, -- [42]
72094, -- [43]
72103, -- [44]
102542, -- [45]
102543, -- [46]
102541, -- [47]
72163, -- [48]
36925, -- [49]
36919, -- [50]
36928, -- [51]
36934, -- [52]
21877, -- [53]
12205, -- [54]
10285, -- [55]
3356, -- [56]
[97] = 72988,
[95] = 82441,
[96] = 72988,
[98] = 72988,
},
["links"] = {
"|cffffffff|Hitem:2589:0:0:0:0:0:0:0:100:264:0:0:0|h[Linen Cloth]|h|r", -- [1]
"|cff1eff00|Hitem:108996:0:0:0:0:0:0:0:100:264:0:0:0|h[Alchemical Catalyst]|h|r", -- [2]
"|cffffffff|Hitem:4306:0:0:0:0:0:0:0:100:264:0:0:0|h[Silk Cloth]|h|r", -- [3]
"|cffffffff|Hitem:2453:0:0:0:0:0:0:0:100:264:0:0:0|h[Bruiseweed]|h|r", -- [4]
"|cffffffff|Hitem:108330:0:0:0:0:0:0:0:100:264:0:0:0|h[Stranglekelp Blade]|h|r", -- [5]
"|cffffffff|Hitem:2450:0:0:0:0:0:0:0:100:264:0:0:0|h[Briarthorn]|h|r", -- [6]
"|cffffffff|Hitem:4337:0:0:0:0:0:0:0:100:264:0:0:0|h[Thick Spider's Silk]|h|r", -- [7]
"|cffffffff|Hitem:2592:0:0:0:0:0:0:0:100:264:0:0:0|h[Wool Cloth]|h|r", -- [8]
"|cffffffff|Hitem:108326:0:0:0:0:0:0:0:100:264:0:0:0|h[Khadgar's Whisker Stem]|h|r", -- [9]
"|cffffffff|Hitem:6470:0:0:0:0:0:0:0:100:264:0:0:0|h[Deviate Scale]|h|r", -- [10]
"|cff1eff00|Hitem:1529:0:0:0:0:0:0:0:100:264:0:0:0|h[Jade]|h|r", -- [11]
"|cffffffff|Hitem:4338:0:0:0:0:0:0:0:100:264:0:0:0|h[Mageweave Cloth]|h|r", -- [12]
"|cffffffff|Hitem:3404:0:0:0:0:0:0:0:100:264:0:0:0|h[Buzzard Wing]|h|r", -- [13]
"|cffffffff|Hitem:3685:0:0:0:0:0:0:0:100:264:0:0:0|h[Raptor Egg]|h|r", -- [14]
"|cffffffff|Hitem:108325:0:0:0:0:0:0:0:100:264:0:0:0|h[Liferoot Stem]|h|r", -- [15]
"|cffffffff|Hitem:108324:0:0:0:0:0:0:0:100:264:0:0:0|h[Kingsblood Petal]|h|r", -- [16]
"|cffffffff|Hitem:7067:0:0:0:0:0:0:0:100:264:0:0:0|h[Elemental Earth]|h|r", -- [17]
"|cffffffff|Hitem:785:0:0:0:0:0:0:0:100:264:0:0:0|h[Mageroyal]|h|r", -- [18]
"|cffffffff|Hitem:5503:0:0:0:0:0:0:0:100:264:0:0:0|h[Clam Meat]|h|r", -- [19]
"|cffffffff|Hitem:5504:0:0:0:0:0:0:0:100:264:0:0:0|h[Tangy Clam Meat]|h|r", -- [20]
"|cffffffff|Hitem:7069:0:0:0:0:0:0:0:100:264:0:0:0|h[Elemental Air]|h|r", -- [21]
"|cff1eff00|Hitem:5500:0:0:0:0:0:0:0:100:264:0:0:0|h[Iridescent Pearl]|h|r", -- [22]
"|cffffffff|Hitem:108323:0:0:0:0:0:0:0:100:264:0:0:0|h[Wild Steelbloom Petal]|h|r", -- [23]
"|cff1eff00|Hitem:12662:0:0:0:0:0:0:0:100:264:0:0:0|h[Demonic Rune]|h|r", -- [24]
"|cffffffff|Hitem:53010:0:0:0:0:0:0:0:100:264:0:0:0|h[Embersilk Cloth]|h|r", -- [25]
"|cffffffff|Hitem:62791:0:0:0:0:0:0:0:100:264:0:0:0|h[Blood Shrimp]|h|r", -- [26]
"|cff0070dd|Hitem:76061:0:0:0:0:0:0:0:100:264:0:0:0|h[Spirit of Harmony]|h|r", -- [27]
"|cffffffff|Hitem:74866:0:0:0:0:0:0:0:100:264:0:0:0|h[Golden Carp]|h|r", -- [28]
"|cff1eff00|Hitem:120945:0:0:0:0:0:0:0:100:264:0:0:0|h[Primal Spirit]|h|r", -- [29]
"|cffffffff|Hitem:109131:0:0:0:0:0:0:0:100:264:0:0:0|h[Raw Clefthoof Meat]|h|r", -- [30]
"|cffffffff|Hitem:111557:0:0:0:0:0:0:0:100:264:0:0:0|h[Sumptuous Fur]|h|r", -- [31]
"|cffffffff|Hitem:30817:0:0:0:0:0:0:0:100:264:0:0:0|h[Simple Flour]|h|r", -- [32]
"|cffffffff|Hitem:89112:0:0:0:0:0:0:0:100:264:0:0:0|h[Mote of Harmony]|h|r", -- [33]
"|cffa335ee|Hitem:30183:0:0:0:0:0:0:0:100:264:0:0:0|h[Nether Vortex]|h|r", -- [34]
"|cff0070dd|Hitem:23572:0:0:0:0:0:0:0:100:264:0:0:0|h[Primal Nether]|h|r", -- [35]
"|cffa335ee|Hitem:36931:0:0:0:0:0:0:0:100:264:0:0:0|h[Ametrine]|h|r", -- [36]
"|cffa335ee|Hitem:34057:0:0:0:0:0:0:0:100:264:0:0:0|h[Abyss Crystal]|h|r", -- [37]
"|cff0070dd|Hitem:43102:0:0:0:0:0:0:0:100:264:0:0:0|h[Frozen Orb]|h|r", -- [38]
"|cffffffff|Hitem:74249:0:0:0:0:0:0:0:100:264:0:0:0|h[Spirit Dust]|h|r", -- [39]
"|cffffffff|Hitem:72120:0:0:0:0:0:0:0:100:264:0:0:0|h[Exotic Leather]|h|r", -- [40]
"|cffffffff|Hitem:79010:0:0:0:0:0:0:0:100:264:0:0:0|h[Snow Lily]|h|r", -- [41]
"|cffffffff|Hitem:72092:0:0:0:0:0:0:0:100:264:0:0:0|h[Ghost Iron Ore]|h|r", -- [42]
"|cff1eff00|Hitem:72094:0:0:0:0:0:0:0:100:264:0:0:0|h[Black Trillium Ore]|h|r", -- [43]
"|cff1eff00|Hitem:72103:0:0:0:0:0:0:0:100:264:0:0:0|h[White Trillium Ore]|h|r", -- [44]
"|cff1eff00|Hitem:102542:0:0:0:0:0:0:0:100:264:0:0:0|h[Ancient Pandaren Spices]|h|r", -- [45]
"|cff1eff00|Hitem:102543:0:0:0:0:0:0:0:100:264:0:0:0|h[Aged Mogu'shan Cheese]|h|r", -- [46]
"|cff1eff00|Hitem:102541:0:0:0:0:0:0:0:100:264:0:0:0|h[Aged Balsamic Vinegar]|h|r", -- [47]
"|cff0070dd|Hitem:72163:0:0:0:0:0:0:0:100:264:0:0:0|h[Magnificent Hide]|h|r", -- [48]
"|cffa335ee|Hitem:36925:0:0:0:0:0:0:0:100:264:0:0:0|h[Majestic Zircon]|h|r", -- [49]
"|cffa335ee|Hitem:36919:0:0:0:0:0:0:0:100:264:0:0:0|h[Cardinal Ruby]|h|r", -- [50]
"|cffa335ee|Hitem:36928:0:0:0:0:0:0:0:100:264:0:0:0|h[Dreadstone]|h|r", -- [51]
"|cffa335ee|Hitem:36934:0:0:0:0:0:0:0:100:264:0:0:0|h[Eye of Zul]|h|r", -- [52]
"|cffffffff|Hitem:21877:0:0:0:0:0:0:0:100:264:0:0:0|h[Netherweave Cloth]|h|r", -- [53]
"|cffffffff|Hitem:12205:0:0:0:0:0:0:0:100:264:0:0:0|h[White Spider Meat]|h|r", -- [54]
"|cffffffff|Hitem:10285:0:0:0:0:0:0:0:100:264:0:0:0|h[Shadow Silk]|h|r", -- [55]
"|cffffffff|Hitem:3356:0:0:0:0:0:0:0:100:264:0:0:0|h[Kingsblood]|h|r", -- [56]
[97] = "|cffffffff|Hitem:72988:0:0:0:0:0:0:0:100:264:0:0:0|h[Windwool Cloth]|h|r",
[95] = "|cffffffff|Hitem:82441:0:0:0:0:0:0:0:100:264:0:0:0|h[Bolt of Windwool Cloth]|h|r",
[96] = "|cffffffff|Hitem:72988:0:0:0:0:0:0:0:100:264:0:0:0|h[Windwool Cloth]|h|r",
[98] = "|cffffffff|Hitem:72988:0:0:0:0:0:0:0:100:264:0:0:0|h[Windwool Cloth]|h|r",
},
["counts"] = {
51, -- [1]
5, -- [2]
76, -- [3]
9, -- [4]
10, -- [5]
8, -- [6]
2, -- [7]
28, -- [8]
41, -- [9]
nil, -- [10]
nil, -- [11]
nil, -- [12]
5, -- [13]
5, -- [14]
28, -- [15]
76, -- [16]
nil, -- [17]
3, -- [18]
10, -- [19]
8, -- [20]
2, -- [21]
nil, -- [22]
53, -- [23]
nil, -- [24]
8, -- [25]
5, -- [26]
nil, -- [27]
10, -- [28]
16, -- [29]
nil, -- [30]
nil, -- [31]
20, -- [32]
128, -- [33]
9, -- [34]
nil, -- [35]
2, -- [36]
nil, -- [37]
nil, -- [38]
40, -- [39]
148, -- [40]
20, -- [41]
46, -- [42]
45, -- [43]
23, -- [44]
18, -- [45]
5, -- [46]
8, -- [47]
2, -- [48]
nil, -- [49]
nil, -- [50]
2, -- [51]
nil, -- [52]
30, -- [53]
14, -- [54]
nil, -- [55]
3, -- [56]
[97] = 200,
[95] = 2,
[98] = 200,
},
["size"] = 98,
},
如果您注意到,特别是在计数下,除了底部 3 个之外,其他所有物品都是该特定包槽中物品的数量(这是从魔兽争霸datastore_containers插件中保存的数据)。但是,列表中的最后三个(并且有所不同)采用以下格式:
[bag slot #] = count
我如何合理地遍历此树,因为插槽编号(例如,从索引中除最后三个(有时是最后 10 个、最后四个等)和项目计数都很重要。
理想情况下,我想使用可以直接将源代码嵌入到我的项目中的东西,而不是向发行版添加另一个预编译库。
这实际上只是适当解析表的问题。可能会因为表格的布局方式而出现一些混乱,分解应该更容易阅读:
["Bag-3"] = {
["ids"] = {
2589, -- [1]
...
3356, -- [56]
[97] = 72988,
[95] = 82441,
},
["links"] = {
"|cffffffff|Hitem:2589:0:0:0:0:0:0:0:100:264:0:0:0|h[Linen Cloth]|h|r", -- [1]
...
"|cffffffff|Hitem:3356:0:0:0:0:0:0:0:100:264:0:0:0|h[Kingsblood]|h|r", -- [56]
[97] = "|cffffffff|Hitem:72988:0:0:0:0:0:0:0:100:264:0:0:0|h[Windwool Cloth]|h|r",
[95] = "|cffffffff|Hitem:82441:0:0:0:0:0:0:0:100:264:0:0:0|h[Bolt of Windwool Cloth]|h|r",
},
["counts"] = {
51, -- [1]
...
3, -- [56]
[97] = 200,
[95] = 2,
},
["size"] = 98,
},
首先,Lua 中的注释用--
标记,因此以 -- [X]
结尾的行只是注释,表示[X]
是数组中的特定索引(以n+1
为单位),,
之前的值是数组中该索引的值。
因此,如果没有与索引关联的值,则其值将默认为 null
(或 Lua 中的nil
)。没有注释并明确指定索引的行(例如 [97] = 72988,
)是显式的二传手。
作为注释(无需显式声明索引),并且由于表的全等值在 56
处停止(在此示例中),因此必须显式声明和分配之后的任何值,这就是为什么您会看到类似 3356, -- [56]
后跟 [97] = 72988,
的内容; 必须显式设置[97]
的值,因为它和[56]
之间没有任何内容, 以及为什么您会看到一些无序的值。
如果每个"bag"将具有相同的确切布局(不一定是相同的值,而是相同的"表"布局),那么您可以使用类(不需要外部库)来解析它,并注意以确保使用["size"]
属性,例如:
class Bag
{
public string Name = string.Empty;
public int Size = 0;
public List<int?> Counts = new List<int?>();
public List<int?> IDs = new List<int?>();
public List<string> Links = new List<string>();
public Bag() { }
public static Bag Parse(string input)
{
Bag bag = new Bag();
int? iv = null;
int idx = input.IndexOf("["") + 2;
bag.Name = input.Substring(idx, input.IndexOf(""]") - idx);
idx = input.IndexOf("["size"] = ") + "["size"] = ".Length; // len;
bag.Size = int.Parse(input.Substring(idx, input.Substring(idx).IndexOf(",")));
foreach (object val in GetVals("ids", input, bag.Size)) {
iv = null;
if (val != null && val.ToString() != "nil") {
iv = int.Parse(val.ToString());
}
bag.IDs.Add(iv);
}
foreach (object val in GetVals("links", input, bag.Size)) {
bag.Links.Add((string)val);
}
foreach (object val in GetVals("counts", input, bag.Size)) {
iv = null;
if (val != null && val.ToString() != "nil") {
iv = int.Parse(val.ToString());
}
bag.Counts.Add(iv);
}
return bag;
}
private static List<object> GetVals(string id, string input, int size)
{
List<object> list = new List<object>();
for (int i = 0; i < size; ++i) { list.Add(null); }
string tmp, ival = string.Format("["{0}"] = {{", id);
string[] tsplit = null;
int len = ival.Length;
int idx = input.IndexOf(ival) + len;
foreach (string val in input.Substring(idx, input.Substring(idx).IndexOf("}")).Split('n')) {
tmp = val.Trim();
if (string.IsNullOrEmpty(tmp)) { continue; }
tsplit = tmp.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
if (tsplit.Length == 2) {
int i = (int.Parse((((tsplit[1].Replace("-", "")).Replace("[", "")).Replace("]", "")).Trim()) - 1);
list[i] = tsplit[0].Trim();
} else {
int i = (int.Parse((tsplit[0].Substring(0, tsplit[0].IndexOf("=")).Replace("[", "")).Replace("]", "").Trim()) - 1);
list[i] = tsplit[0].Substring(tsplit[0].IndexOf("=") + 1).Trim();
}
}
return list;
}
}
然后使用:Bag b = Bag.Parse(bagTableValue);
这是一个更简单的示例,您可以使用其他方法(如 RegEx
),但更多的是说明如何解析表。
希望能有所帮助。