/// <summary>
/// 根据路径查询配置节点
/// </summary>
/// <param name="config">需要查询的配置的根节点</param>
/// <param name="path"></param>
/// <returns></returns>
public static ConfigNode Select(this Config config, string path)
{
if (config == null)
{
return(null);
}
if (string.IsNullOrEmpty(path))
{
return(ConfigNode.Invalid);
}
var index = new IndexerArgsParser(path);
var node = (ConfigNode)config;
foreach (var i in index)
{
node = i.IsKey ? node[i.Key] : node[i.Index];
}
return(node);
}
public override ConfigNode this[string path]
{
get
{
if (string.IsNullOrEmpty(path))
{
return(Invalid);
}
var index = new IndexerArgsParser(path);
var ee = index.GetEnumerator();
if (ee.MoveNext())
{
var i = ee.Current;
var node = i.IsKey ? base[i.Key] : base[i.Index];
while (ee.MoveNext())
{
i = ee.Current;
node = i.IsKey ? node[i.Key] : node[i.Index];
}
return(node);
}
return(Invalid);
}
set
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException(nameof(path), "路径无效");
}
var index = new IndexerArgsParser(path);
var ee = index.GetEnumerator();
if (ee.MoveNext())
{
var i = ee.Current;
var node = i.IsKey ? base[i.Key] : base[i.Index];
if (ee.MoveNext() == false)
{
i = ee.Current;
if (i.IsKey)
{
base[i.Key] = value;
}
else
{
base[i.Index] = value;
}
return;
}
do
{
i = ee.Current;
node = i.IsKey ? node[i.Key] : node[i.Index];
} while (ee.MoveNext());
if (i.IsKey)
{
node.Parent[i.Key] = value;
}
else
{
node.Parent[i.Index] = value;
}
return;
}
throw new ArgumentException(nameof(path), "路径无效");
}
}
