public static T GetAttribute <T>(XContainer doc, string item, [CallerMemberName] string attribute = "")
{
T result = default(T);
if (doc != null)
{
var value = doc.DescendantNodes()
.Where(n => (n.NodeType == XmlNodeType.Element))
.Select(n => n as XElement)
.Where(n => n.Name.LocalName.ToString() == item)
.Select(n => n)
.Where(n => n.Attributes(attribute).Count() > 0)
.Select(n => n.Attribute(attribute).Value);
try
{
if (value.Count() > 0)
{
var converter = TypeDescriptor.GetConverter(typeof(T));
if (converter != null)
{
result = (T)converter.ConvertFromString(value.ElementAt(0));
}
}
}
catch (NotSupportedException)
{
}
}
return(result);
}
/// <summary>
/// Returns a collection of the descendant comment nodes for this document or element, in document order.
/// </summary>
/// <param name="xml">The xml from which to get the descendant comment nodes.</param>
public static IEnumerable <XComment> DescendantComments(this XContainer xml)
{
return(xml
.DescendantNodes()
.Where(n => n.NodeType == XmlNodeType.Comment)
.Cast <XComment>());
}
/// <summary>
/// Returns a collection of the descendant nodes for this container.
/// </summary>
/// <param name="self"></param>
/// <returns></returns>
public static IEnumerable <XNode> DescendantNodesAndSelf(this XContainer self)
{
yield return(self);
foreach (var node in self.DescendantNodes())
{
yield return(node);
}
}
public static void TrimText(this XContainer @this)
{
foreach (var decendant in @this.DescendantNodes())
{
var decendantText = decendant as XText;
if (decendantText != null)
{
decendantText.Value = decendantText.Value.Trim();
}
}
}
public static string ToCleanText(this XContainer data)
{
var text = "";
foreach (var elem in data.Descendants()
.Where(x => x.Name == "script" || x.Name == "head")
.ToList())
{
elem.Remove();
}
foreach (var elem in data.Descendants().Where(x => x.Name == "br"))
{
elem.Value = Environment.NewLine;
}
foreach (var elem in data.Descendants().Where(x => x.Name == "p"))
{
elem.Value = Environment.NewLine + elem.Value + Environment.NewLine;
}
foreach (XText node in data.DescendantNodes().OfType <XText>())
{
text += node.Value + " ";
}
bool lexHasNewLine = false;
bool lexHasSpace = false;
var retBuilder = new StringBuilder();
var cutSymbols = new List <char>()
{
' ', '\t', '\r'
};
var skipSymbols = new List <char>()
{
'\u00A0', '\u20E7'
};
foreach (var c in text)
{
if (c == '\n')
{
lexHasNewLine = true;
}
else if (cutSymbols.Contains(c))
{
lexHasSpace = true;
}
else if (skipSymbols.Contains(c))
{
}
else
{
if (lexHasNewLine)
{
retBuilder.Append(Environment.NewLine);
}
else if (lexHasSpace)
{
retBuilder.Append(" ");
}
retBuilder.Append(c);
lexHasNewLine = lexHasSpace = false;
}
}
return(retBuilder.ToString());
}
public static IEnumerable <XNode> GetDescendantTextNodes(XContainer xml)
{
return(xml.DescendantNodes().Where(node => node.NodeType == System.Xml.XmlNodeType.Text));
}
private static IEnumerable <XElement> Descendants(XContainer doc, string nodeName)
{
return(doc.DescendantNodes().OfType <XElement>().Where(n => n.Name == nodeName));
}
public static string TextContent(this XContainer container)
{
return(string.Concat(container.DescendantNodes()
.Where(n => n.NodeType == XmlNodeType.Text)
.Select(n => (n as XText).Value)));
}
