public static XmlParseInfo Read(string text)
{
var nodes = new List <CompletionPathNode>();
var info = new XmlParseInfo {
Nodes = nodes, Mode = CompletionMode.Class
};
// complete the last node and/or attribute so the reader can find it.
string supplement = null;
bool hadLetter = false;
char last = char.MinValue;
for (int i = text.Length - 1; i >= 0; i--)
{
var ch = text[i];
if (ch == '<')
{
if (i == text.Length - 1)
{
break;
}
if (last == '/') // we're in an ending tag
{
info.Mode = CompletionMode.None;
}
if (supplement != null)
{
text += supplement;
}
text += ">";
break;
}
if (ch == '>')
{
info.Mode = CompletionMode.Class;
break;
}
if (info.Mode == CompletionMode.Class)
{
if (ch == '=')
{
info.Mode = CompletionMode.Value;
text = text.Substring(0, i + 1);
supplement = "''";
}
if (ch == '.')
{
info.Mode = CompletionMode.Property;
}
if (ch == ' ')
{
info.Mode = CompletionMode.Property;
if (hadLetter)
{
supplement = "=''";
}
}
if (char.IsLetterOrDigit(ch))
{
hadLetter = true;
}
}
last = ch;
}
CompletionPathNode current = null;
CompletionPathNode attribute = null;
try
{
using (var stream = GetStream(text))
using (var reader = XmlReader.Create(stream))
{
while (reader.Read())
{
attribute = null;
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.IsEmptyElement)
{
continue;
}
nodes.Add(current = new CompletionPathNode(reader.Prefix, reader.LocalName, CompletionMode.Class));
if (reader.HasAttributes && reader.MoveToFirstAttribute())
{
do
{
if (reader.Name == "xmlns" || reader.Prefix == "xmlns")
{
// record namespaces
if (current.Namespaces == null)
{
current.Namespaces = new List <CompletionNamespace>();
}
var prefix = reader.Prefix == "xmlns" ? reader.LocalName : string.Empty;
current.Namespaces.Add(new CompletionNamespace {
Prefix = prefix, Namespace = reader.Value
});
}
else
{
current.Attributes.Add(reader.Name);
attribute = new CompletionPathNode(reader.Prefix, reader.LocalName, CompletionMode.Property);
}
} while (reader.MoveToNextAttribute());
}
break;
case XmlNodeType.EndElement:
if (nodes.Count > 0)
{
nodes.RemoveAt(nodes.Count - 1);
}
current = nodes.Count > 0 ? nodes[nodes.Count - 1] : null;
break;
default:
break;
}
}
}
}
catch (XmlException)
{
// ignore errors, since xml will usually be incomplete
}
if (info.Mode == CompletionMode.Value && attribute != null)
{
nodes.Add(attribute);
}
return(info);
}
public static XmlParseInfo Read(string text)
{
var nodes = new List <CompletionPathNode>();
var info = new XmlParseInfo {
Nodes = nodes, Mode = CompletionMode.None
};
// check the last part of the xml to see what type of completion we are in
// and complete it so we can parse the property or class name.
Match m;
if ((m = valueReg.Match(text)).Success)
{
info.Mode = CompletionMode.Value;
// without an actual value, xmlns doesn't parse, so put a dummy value here
text = text.Substring(0, m.Index) + "'value'>";
}
else if (classReg.Match(text).Success)
{
info.Mode = CompletionMode.Class;
text += ">";
}
else if (propertyReg.Match(text).Success)
{
int i = text.Length - 1;
while (i > 0 && !char.IsWhiteSpace(text[i]) && text[i] != '<')
{
i--;
}
if (i < text.Length - 1)
{
text = text.Substring(0, i + 1);
}
info.Mode = CompletionMode.Property;
text += ">";
}
else if (classPropertyReg.Match(text).Success)
{
info.Mode = CompletionMode.Property;
info.IsChildProperty = true;
text += ">";
}
CompletionPathNode current = null;
CompletionPathNode attribute = null;
try
{
using (var reader = XmlReader.Create(new StringReader(text)))
{
while (reader.Read())
{
attribute = null;
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.IsEmptyElement)
{
continue;
}
nodes.Add(current = new CompletionPathNode(reader.Prefix, reader.LocalName, CompletionMode.Class));
if (reader.HasAttributes && reader.MoveToFirstAttribute())
{
do
{
if (reader.Name == "xmlns" || reader.Prefix == "xmlns")
{
// record namespaces
if (current.Namespaces == null)
{
current.Namespaces = new List <CompletionNamespace>();
}
var prefix = reader.Prefix == "xmlns" ? reader.LocalName : string.Empty;
current.Namespaces.Add(new CompletionNamespace {
Prefix = prefix, Namespace = reader.Value
});
var name = reader.LocalName;
if (!string.IsNullOrEmpty(reader.Prefix))
{
name = reader.Prefix + ":" + name;
}
attribute = new CompletionPathNode(string.Empty, name, CompletionMode.Property);
}
else
{
current.Attributes.Add(reader.Name);
attribute = new CompletionPathNode(reader.Prefix, reader.LocalName, CompletionMode.Property);
}
} while (reader.MoveToNextAttribute());
}
break;
case XmlNodeType.EndElement:
if (nodes.Count > 0)
{
nodes.RemoveAt(nodes.Count - 1);
}
current = nodes.Count > 0 ? nodes[nodes.Count - 1] : null;
break;
default:
break;
}
}
}
}
catch (XmlException)
{
// ignore errors, since xml will usually be incomplete
}
if (current?.LocalName.Contains(".") == true && info.Mode == CompletionMode.None && current.Mode == CompletionMode.Class)
{
current.LocalName = current.LocalName.Substring(current.LocalName.IndexOf('.') + 1);
current.Mode = CompletionMode.Property;
info.Mode = CompletionMode.Value;
}
if (info.Mode == CompletionMode.Value && attribute != null)
{
nodes.Add(attribute);
}
return(info);
}
public static XmlParseInfo Read(string text)
{
var nodes = new List <CompletionPathNode>();
var info = new XmlParseInfo {
Nodes = nodes, Mode = CompletionMode.None
};
// check the last part of the xml to see what type of completion we are in
// and complete it so we can parse the property or class name.
var m = valueReg.Match(text);
if (m.Success)
{
info.Mode = CompletionMode.Value;
text = text.Substring(0, m.Index) + "''>";
}
else
{
m = classReg.Match(text);
if (m.Success)
{
info.Mode = CompletionMode.Class;
}
else
{
m = propertyReg.Match(text);
if (m.Success)
{
info.Mode = CompletionMode.Property;
}
}
text += ">";
}
CompletionPathNode current = null;
CompletionPathNode attribute = null;
try
{
using (var stream = GetStream(text))
using (var reader = XmlReader.Create(stream))
{
while (reader.Read())
{
attribute = null;
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.IsEmptyElement)
{
continue;
}
nodes.Add(current = new CompletionPathNode(reader.Prefix, reader.LocalName, CompletionMode.Class));
if (reader.HasAttributes && reader.MoveToFirstAttribute())
{
do
{
if (reader.Name == "xmlns" || reader.Prefix == "xmlns")
{
// record namespaces
if (current.Namespaces == null)
{
current.Namespaces = new List <CompletionNamespace>();
}
var prefix = reader.Prefix == "xmlns" ? reader.LocalName : string.Empty;
current.Namespaces.Add(new CompletionNamespace {
Prefix = prefix, Namespace = reader.Value
});
}
else
{
current.Attributes.Add(reader.Name);
attribute = new CompletionPathNode(reader.Prefix, reader.LocalName, CompletionMode.Property);
}
} while (reader.MoveToNextAttribute());
}
break;
case XmlNodeType.EndElement:
if (nodes.Count > 0)
{
nodes.RemoveAt(nodes.Count - 1);
}
current = nodes.Count > 0 ? nodes[nodes.Count - 1] : null;
break;
default:
break;
}
}
}
}
catch (XmlException)
{
// ignore errors, since xml will usually be incomplete
}
if (info.Mode == CompletionMode.Value && attribute != null)
{
nodes.Add(attribute);
}
return(info);
}
