/// <summary>
/// 读取xml文件Element节点，返回值恒为false
/// </summary>
/// <param name="reader">代表节点读取是否完成</param>
/// <param name="readArgs">代表读取到的一些参数</param>
/// <param name="context">代表读取过程中的上下文环境，例如包括父节点</param>
/// <returns></returns>
protected bool ReadElement(System.Xml.XmlTextReader reader, ReadArgs readArgs, ReadContext context)
{
readArgs.Name = reader.Name;
readArgs.Attributes = new XmlAttributeCollection();
for (int i = 0; i < reader.AttributeCount; ++i)
{
reader.MoveToNextAttribute();
readArgs.Attributes.Add(new DefaultXmlAttribute()
{
Key = reader.Name,
Value = reader.Value,
});
}
readArgs.ParentNode = context.PeekParentNode();
context.PushParentNode(readArgs);
return(false);
}
protected ReadContext ReadNodeProcess(string filePath, string nodeName)
{
FileStream stream = new FileStream(filePath, FileMode.Open);
System.Xml.XmlTextReader reader = new System.Xml.XmlTextReader(stream);
ReadArgs readArgs = null;
ReadContext context = new ReadContext();
bool readIsFinish = false;
if (nodeName == null)
{
reader.Read();
}
else
{
reader.ReadToFollowing(nodeName);
}
do
{
int nowDepth = reader.Depth;
switch (reader.NodeType)
{
case System.Xml.XmlNodeType.Element:
ConsoleLog.WriteLine(System.Xml.XmlNodeType.Element + "-" + reader.Name);
//该条件成立时，判定读取节点为GroupNode
if (context.PreviousNodeType == System.Xml.XmlNodeType.Element)
{
readArgs.Type = XmlNodeType.Group;
ReadSingleNodeStart?.Invoke(context, readArgs);
if (reader.Depth == context.PreviousDepth && readArgs.Name == nodeName)
{
readIsFinish = true;
context.PopParentNode();
break;
}
}
readArgs = new ReadArgs();
context.NodeIsEnd = ReadElement(reader, readArgs, context);
context.PreviousNodeType = System.Xml.XmlNodeType.Element;
context.PreviousDepth = nowDepth;
break;
case System.Xml.XmlNodeType.Text:
ConsoleLog.WriteLine(System.Xml.XmlNodeType.Text + "-" + reader.Name);
//判定当前节点为ContentNode
readArgs.Type = XmlNodeType.Content;
ReadSingleNodeStart?.Invoke(context, readArgs);
context.NodeIsEnd = ReadText(reader, readArgs, context);
context.PreviousNodeType = System.Xml.XmlNodeType.Text;
context.PreviousDepth = nowDepth;
break;
case System.Xml.XmlNodeType.EndElement:
ConsoleLog.WriteLine(System.Xml.XmlNodeType.EndElement + "-" + reader.Name);
//当条件成立时，判定节点为GroupNode
if (context.PreviousNodeType == System.Xml.XmlNodeType.Element)
{
readArgs.Type = XmlNodeType.Group;
ReadSingleNodeStart?.Invoke(context, readArgs);
}
context.NodeIsEnd = ReadEndElement(reader, readArgs, context);
ReadSingleNodeEnd?.Invoke(context, readArgs);
if (reader.Name == nodeName)
{
readIsFinish = true;
}
readArgs = new ReadArgs();
context.PreviousNodeType = System.Xml.XmlNodeType.EndElement;
context.PreviousDepth = nowDepth;
break;
}
if (readIsFinish)
{
break;
}
}while (reader.Read());
reader.Close();
return(context);
}
/// <summary>
/// 读取节点结束标记,返回值恒为false
/// </summary>
/// <param name="reader">代表节点读取是否完成</param>
/// <param name="readArgs">代表读取到的一些参数</param>
/// <param name="context">代表读取过程中的上下文环境，例如包括父节点</param>
/// <returns></returns>
protected bool ReadEndElement(System.Xml.XmlTextReader reader, ReadArgs readArgs, ReadContext context)
{
context.PopParentNode();
return(true);
}
/// <summary>
/// 读取xml文件text节点,返回值恒为false
/// </summary>
/// <param name="reader">代表节点读取是否完成</param>
/// <param name="readArgs">代表读取到的一些参数</param>
/// <param name="context">代表读取过程中的上下文环境，例如包括父节点</param>
/// <returns></returns>
protected bool ReadText(System.Xml.XmlTextReader reader, ReadArgs readArgs, ReadContext context)
{
readArgs.Value = reader.Value;
readArgs.Type = XmlNodeType.Content;
return(false);
}
