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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
namespace Tango.Scripting.Editors.Intellisense
{
public static class Utils
{
private static String dotNetXmlFolder = @"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.X";
private static Dictionary<Assembly, XmlDocument> _assemblies_docs_cache;
static Utils()
{
_assemblies_docs_cache = new Dictionary<Assembly, XmlDocument>();
}
public static void LoadKnownTypeDocs(KnownType knownType)
{
XmlDocument xmlDoc = null;
if (_assemblies_docs_cache.ContainsKey(knownType.Type.Assembly))
{
xmlDoc = _assemblies_docs_cache[knownType.Type.Assembly];
}
if (xmlDoc == null)
{
String dllPath = knownType.Type.Assembly.Location;
string docuPath = dllPath.Substring(0, dllPath.LastIndexOf(".")) + ".XML";
if (File.Exists(docuPath))
{
xmlDoc = new XmlDocument();
xmlDoc.Load(docuPath);
}
else if (File.Exists(System.IO.Path.Combine(dotNetXmlFolder, System.IO.Path.GetFileName(docuPath))))
{
xmlDoc = new XmlDocument();
xmlDoc.Load(System.IO.Path.Combine(dotNetXmlFolder, System.IO.Path.GetFileName(docuPath)));
}
if (xmlDoc != null)
{
_assemblies_docs_cache.Add(knownType.Type.Assembly, xmlDoc);
}
}
if (xmlDoc == null)
{
xmlDoc = new XmlDocument();
}
//Load Type Summary
{
string path = "T:" + knownType.Type.FullName;
XmlNode xmlDocuOfType = xmlDoc.SelectSingleNode("//member[starts-with(@name, '" + path + "')]");
if (xmlDocuOfType != null)
{
XmlNode summaryNode = xmlDocuOfType.SelectSingleNode("summary");
knownType.Summary = summaryNode.InnerText;
}
}
//Load Constructors...
{
string path = "M:" + knownType.Type.FullName + ".#ctor";
var docNodes = xmlDoc.SelectNodes("//member[starts-with(@name, '" + path + "')]").OfType<XmlNode>().ToList();
for (int i = 0; i < knownType.Constructors.Count; i++)
{
var constructor = knownType.Constructors[i];
XmlNode cDoc = null;
if (i < docNodes.Count)
{
cDoc = docNodes[i];
}
constructor.Summary = cDoc != null ? cDoc.SelectSingleNode("summary").InnerXml : $"Initializes a new instance of {knownType.FriendlyName}.";
var parameters = constructor.Parameters.ToList();
var parametersNodes = cDoc != null ? cDoc.SelectNodes("param").OfType<XmlNode>().ToList() : new List<XmlNode>();
for (int j = 0; j < parameters.Count; j++)
{
var parameter = parameters[j];
XmlNode pNode = null;
if (j < parametersNodes.Count)
{
pNode = parametersNodes[j];
}
parameter.Description = pNode != null ? pNode.InnerText : null;
}
}
}
//Load Methods...
{
string path = "M:" + knownType.Type.FullName;
var docNodes = xmlDoc.SelectNodes("//member[starts-with(@name, '" + path + "')]").OfType<XmlNode>().ToList();
for (int i = 0; i < knownType.Methods.Count; i++)
{
var method = knownType.Methods[i];
XmlNode mDoc = null;
mDoc = docNodes.FirstOrDefault(x => x.Attributes["name"].InnerText.Contains(knownType.Type.Name + "." + method.Name));
method.Summary = mDoc != null ? mDoc.SelectSingleNode("summary").InnerXml.Remove("(<see cref=\".:)|(\" \\/>)") : "No documentation";
var parameters = method.Parameters.ToList();
var parametersNodes = mDoc != null ? mDoc.SelectNodes("param").OfType<XmlNode>().ToList() : new List<XmlNode>();
bool isLinq = knownType.Type == typeof(Enumerable);
for (int j = 0; j < parameters.Count; j++)
{
var parameter = parameters[j];
XmlNode pNode = null;
if (j < parametersNodes.Count)
{
pNode = parametersNodes[j];
}
parameter.Description = pNode != null ? pNode.InnerText.Remove("(<see cref=\".:)|(\" \\/>)") : null;
}
}
}
//Load Properties
{
string path = "P:" + knownType.Type.FullName;
var docNodes = xmlDoc.SelectNodes("//member[starts-with(@name, '" + path + "')]").OfType<XmlNode>().ToList();
for (int i = 0; i < knownType.Properties.Count; i++)
{
var property = knownType.Properties[i];
var pDoc = docNodes.FirstOrDefault(x => x.Attributes["name"].InnerText.Contains(knownType.Type.Name + "." + property.Name));
property.Summary = pDoc != null ? pDoc.SelectSingleNode("summary").InnerXml : "No documentation";
}
}
//Load Enum Values
{
if (knownType.Type.IsEnum)
{
for (int i = 0; i < knownType.Fields.Count; i++)
{
var field = knownType.Fields[i];
var pDoc = xmlDoc.SelectSingleNode("//member[starts-with(@name, '" + $"F:{knownType.Type.FullName}.{field.Name}" + "')]");
field.Summary = pDoc != null ? pDoc.SelectSingleNode("summary").InnerXml : "No documentation";
}
}
}
}
}
}
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