/// <summary>
/// Initializes a new instance of the <see cref="Tag"/> class.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="tagParent">The tag parent. I</param>
/// <param name="configurationStore">The configuration store.</param>
public Tag(XmlTextReader reader, Tag tagParent, IConfigurationStore configurationStore)
{
if (reader.Name.Length == 0)
{
// Case of txt node
name = reader.NodeType.ToString();
}
else
{
name = reader.Name;
}
parent = tagParent;
value = Tag.ParsePropertyTokens(reader.Value, configurationStore);
LoadAttributes(reader, configurationStore);
}
/// <summary>
/// Loads the attributes.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="configurationStore">The configuration store.</param>
private void LoadAttributes(XmlTextReader reader, IConfigurationStore configurationStore)
{
reader.MoveToFirstAttribute();
for (int index = 0; index < reader.AttributeCount; index++)
{
attributesName.Add(reader.Name);
string value = Tag.ParsePropertyTokens(reader.Value, configurationStore);
attributesValue.Add(value);
attributes[reader.Name] = value;
reader.MoveToNextAttribute();
}
reader.MoveToElement();
}
/// <summary>
/// Loads the attributes.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="configurationStore">The configuration store.</param>
private void LoadAttributes(XmlTextReader reader, IConfigurationStore configurationStore)
{
reader.MoveToFirstAttribute();//指向第一个属性
//遍历所有的当前节点的属性
for (int index = 0; index < reader.AttributeCount; index++)
{
attributesName.Add(reader.Name);//当前节点的当前属性名称
string value = Tag.ParsePropertyTokens(reader.Value, configurationStore);
attributesValue.Add(value); //当前节点的当前属性名称对应的值
attributes[reader.Name] = value; //当前节点的当前属性名称与值
reader.MoveToNextAttribute(); //指向下一个属性
}
reader.MoveToElement();
}
/// <summary>
/// Initializes a new instance of the <see cref="Tag"/> class.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="tagParent">The tag parent. I</param>
/// <param name="configurationStore">The configuration store.</param>
public Tag(XmlTextReader reader, Tag tagParent, IConfigurationStore configurationStore)
{
if (reader.Name.Length == 0)
{
// Case of txt node
name = reader.NodeType.ToString();//当前节点的类型
/*
* None: None This is returned by the XmlReader if a Read method has not been called.
* Element : An element (for example, <item> ).
* Attribute : An attribute (for example, id='123' ).
* Text : The text content of a node.
* CDATA : A CDATA section (for example, <![CDATA[my escaped text]]> ).
* EntityReference : A reference to an entity (for example, # ).
* Entity : An entity declaration (for example, <!ENTITY...> ).
* ProcessingInstruction :A processing instruction (for example, <?pi test?> ).
* Comment :A comment (for example, <!-- my comment --> ).
* Document:A document object that, as the root of the document tree, provides access to the entire XML document.
* DocumentType :The document type declaration, indicated by the following tag (for example, <!DOCTYPE...> ).
* DocumentFragment ： A document fragment.
* Notation ： A notation in the document type declaration (for example, <!NOTATION...> ).
* Whitespace ： White space between markup.
* SignificantWhitespace ： White space between markup in a mixed content model or white space within the xml:space="preserve" scope.
* EndElement ： An end element tag (for example, </item> ).
* EndEntity ： Returned when XmlReader gets to the end of the entity replacement as a result of a call to ResolveEntity.
* XmlDeclaration ： The XML declaration (for example, <?xml version='1.0'?> ).
*/
}
else
{
name = reader.Name; //当前节点的名字
}
parent = tagParent; //当前节点的父节点
value = Tag.ParsePropertyTokens(reader.Value, configurationStore); //处理${}之间的属性值
LoadAttributes(reader, configurationStore);
}