本文整理汇总了C#中System.Xml.XmlReader类的典型用法代码示例。如果您正苦于以下问题:C# XmlReader类的具体用法?C# XmlReader怎么用?C# XmlReader使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
XmlReader类属于System.Xml命名空间,在下文中一共展示了XmlReader类的10个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: TestReader
async Task TestReader(System.IO.Stream stream)
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.Async = true;
using (XmlReader reader = XmlReader.Create(stream, settings))
{
while (await reader.ReadAsync())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
Console.WriteLine("Start Element {0}", reader.Name);
break;
case XmlNodeType.Text:
Console.WriteLine("Text Node: {0}",
await reader.GetValueAsync());
break;
case XmlNodeType.EndElement:
Console.WriteLine("End Element {0}", reader.Name);
break;
default:
Console.WriteLine("Other node {0} with value {1}",
reader.NodeType, reader.Value);
break;
}
}
}
}
示例2: if
while (reader.Read()) {
if (reader.IsStartElement()) {
if (reader.IsEmptyElement)
{
Console.WriteLine("<{0}/>", reader.Name);
}
else {
Console.Write("<{0}> ", reader.Name);
reader.Read(); // Read the start tag.
if (reader.IsStartElement()) // Handle nested elements.
Console.Write("\r\n<{0}>", reader.Name);
Console.WriteLine(reader.ReadString()); //Read the text content of the element.
}
}
}
示例3: for
// Display all attributes.
if (reader.HasAttributes) {
Console.WriteLine("Attributes of <" + reader.Name + ">");
for (int i = 0; i < reader.AttributeCount; i++) {
Console.WriteLine(" {0}", reader[i]);
}
// Move the reader back to the element node.
reader.MoveToElement();
}
示例4: while
if (reader.HasAttributes) {
Console.WriteLine("Attributes of <" + reader.Name + ">");
while (reader.MoveToNextAttribute()) {
Console.WriteLine(" {0}={1}", reader.Name, reader.Value);
}
// Move the reader back to the element node.
reader.MoveToElement();
}
示例5: XmlReaderSettings
// Create a validating XmlReader object. The schema
// provides the necessary type information.
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.Schemas.Add("urn:empl-hire", "hireDate.xsd");
using (XmlReader reader = XmlReader.Create("hireDate.xml", settings)) {
// Move to the hire-date element.
reader.MoveToContent();
reader.ReadToDescendant("hire-date");
// Return the hire-date as a DateTime object.
DateTime hireDate = reader.ReadElementContentAsDateTime();
Console.WriteLine("Six Month Review Date: {0}", hireDate.AddMonths(6));
}
示例6: ReadStartElementAsync
public static async Task ReadStartElementAsync(this XmlReader reader, string localname, string ns)
{
if (await reader.MoveToContentAsync() != XmlNodeType.Element)
{
throw new InvalidOperationException(reader.NodeType.ToString() + " is an invalid XmlNodeType");
}
if ((reader.LocalName == localname) && (reader.NamespaceURI == ns))
{
await reader.ReadAsync();
}
else
{
throw new InvalidOperationException("localName or namespace doesn’t match");
}
}
示例7: ReadEndElementAsync
public static async Task ReadEndElementAsync(this XmlReader reader)
{
if (await reader.MoveToContentAsync() != XmlNodeType.EndElement)
{
throw new InvalidOperationException();
}
await reader.ReadAsync();
}
示例8: ReadToNextSiblingAsync
public static async Task<bool> ReadToNextSiblingAsync(this XmlReader reader, string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw new ArgumentException("localName is empty or null");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
// atomize local name and namespace
localName = reader.NameTable.Add(localName);
namespaceURI = reader.NameTable.Add(namespaceURI);
// find the next sibling
XmlNodeType nt;
do
{
await reader.SkipAsync();
if (reader.ReadState != ReadState.Interactive)
break;
nt = reader.NodeType;
if (nt == XmlNodeType.Element &&
((object)localName == (object)reader.LocalName) &&
((object)namespaceURI ==(object)reader.NamespaceURI))
{
return true;
}
} while (nt != XmlNodeType.EndElement && !reader.EOF);
return false;
}
示例9: ReadToFollowingAsync
public static async Task<bool> ReadToFollowingAsync(this XmlReader reader, string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw new ArgumentException("localName is empty or null");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
// atomize local name and namespace
localName = reader.NameTable.Add(localName);
namespaceURI = reader.NameTable.Add(namespaceURI);
// find element with that name
while (await reader.ReadAsync())
{
if (reader.NodeType == XmlNodeType.Element && ((object)localName == (object)reader.LocalName) && ((object)namespaceURI == (object)reader.NamespaceURI))
{
return true;
}
}
return false;
}
示例10: ReadToDescendantAsync
public static async Task<bool> ReadToDescendantAsync(this XmlReader reader, string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw new ArgumentException("localName is empty or null");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
// save the element or root depth
int parentDepth = reader.Depth;
if (reader.NodeType != XmlNodeType.Element)
{
// adjust the depth if we are on root node
if (reader.ReadState == ReadState.Initial)
{
parentDepth--;
}
else
{
return false;
}
}
else if (reader.IsEmptyElement)
{
return false;
}
// atomize local name and namespace
localName = reader.NameTable.Add(localName);
namespaceURI = reader.NameTable.Add(namespaceURI);
// find the descendant
while (await reader.ReadAsync() && reader.Depth > parentDepth)
{
if (reader.NodeType == XmlNodeType.Element && ((object)localName == (object)reader.LocalName) && ((object)namespaceURI == (object)reader.NamespaceURI))
{
return true;
}
}
return false;
}