private MetadataTracker(IWpfTextView textView, double defaultFontSize = 10.0d)
{
this.defaultFontSize = defaultFontSize;
this.textView = textView;
bool isMetadataFile = false;
fileName = textView.TextBuffer.GetFileName();
if (fileName.Contains('$'))//TODO: This is a very weak check, we need a better way to check this!
{
isMetadataFile = true;
}
if (!isMetadataFile)
{
return;
}
adornmentManager = AdornmentManager.GetOrCreateAdornmentManager(textView, "MetadataAdornments");
//timer = new Timer();
//timer.BeginInit();
//timer.AutoReset = false;
//timer.Elapsed += OnLayoutSettled;
//timer.Interval = 2000;
//timer.EndInit();
//timer.Start();
textView.LayoutChanged += OnLayoutChanged;
var foo = new ContractAdornment(11, textView.TextSnapshot.CreateTrackingSpan(0, 10, SpanTrackingMode.EdgeExclusive), defaultFontSize);
}
void OnLayoutSettled(object sender, ElapsedEventArgs e)
{
var splitFileName = fileName.Split('$');//TODO: This may have holes, check for corner cases!
string assemblyName = splitFileName[1];
string assemblyVersion = splitFileName[2];
string typeName = Path.GetFileNameWithoutExtension(fileName);//.Split('.').Last();
ContractsProviderHost host = null;
string codeContractsInstallDir = Environment.GetEnvironmentVariable("CodeContractsInstallDir");
if (!String.IsNullOrEmpty(codeContractsInstallDir))
{
string contractsDir = Path.Combine(codeContractsInstallDir, @"contracts\3.5");
host = new ContractsProviderHost(new string[] { contractsDir });
}
if (host == null)
{
return;//TODO: Throw error?
}
//var assemlyIdentity = new AssemblyIdentity(host.NameTable.GetNameFor(assemblyName), null, new Version(assemblyVersion), null, null);
//var assembly = host.FindAssembly(assemlyIdentity);
var assembly = host.LoadUnitFrom(Path.Combine(codeContractsInstallDir, @"Contracts\v3.5", Path.GetFileNameWithoutExtension(assemblyName) + ".contracts.dll"));
if (assembly == null || assembly == Dummy.Assembly)
{
return;//TODO: Throw error?
}
var contractsProvider = host.GetContractProvider(assembly.UnitIdentity);
if (contractsProvider == null)
{
return; //TODO Throw error? Will it ever be null?
}
var type = UnitHelper.FindType(host.NameTable, assembly, typeName);
var methodsToContracts = new Dictionary <string, IMethodContract>(type.Methods.Count());
var gettersToContracts = new Dictionary <string, IMethodContract>();
var settersToContracts = new Dictionary <string, IMethodContract>();
System.Xml.XmlDocument doc;
foreach (var method in type.Methods)
{
var methodContract = contractsProvider.GetMethodContractFor(method);
if (methodContract != null)
{
if (IsGetter(method))
{
var getterSignature = MemberHelper.GetMemberSignature(method,
NameFormattingOptions.OmitContainingNamespace |
NameFormattingOptions.ReturnType |
NameFormattingOptions.TypeParameters |
NameFormattingOptions.UseTypeKeywords |
NameFormattingOptions.OmitContainingType |
NameFormattingOptions.Visibility
);
getterSignature = getterSignature.Substring(0, getterSignature.LastIndexOf('.'));
gettersToContracts.Add(getterSignature, methodContract);
}
else if (IsSetter(method))
{
var setterSignature = MemberHelper.GetMemberSignature(method,
NameFormattingOptions.OmitContainingNamespace |
NameFormattingOptions.ReturnType |
NameFormattingOptions.TypeParameters |
NameFormattingOptions.UseTypeKeywords |
NameFormattingOptions.OmitContainingType |
NameFormattingOptions.Visibility
);
setterSignature = setterSignature.Substring(0, setterSignature.LastIndexOf('.'));
settersToContracts.Add(setterSignature, methodContract);
}
else
{
var methodSignature = MemberHelper.GetMemberSignature(method,
NameFormattingOptions.OmitContainingNamespace |
NameFormattingOptions.ReturnType |
NameFormattingOptions.ParameterName |
NameFormattingOptions.ParameterModifiers |
NameFormattingOptions.TypeParameters |
NameFormattingOptions.UseTypeKeywords |
NameFormattingOptions.OmitContainingType |
NameFormattingOptions.Modifiers |
NameFormattingOptions.Signature |
NameFormattingOptions.Visibility
);
methodsToContracts.Add(methodSignature, methodContract);
}
}
}
foreach (var line in textView.TextSnapshot.Lines)
{
var lineText = line.GetText();
if (lineText.Contains("//"))
{
continue; //Skip comments
}
if (lineText.Contains('{') && (lineText.Contains(" get; ") || lineText.Contains(" set; ")) && lineText.Contains('}')) // If property
{
int endOfSig = lineText.IndexOf('{') - 1;
int startOfSig = endOfSig - 1;
bool hitSpace = false;
for (int i = startOfSig; i > 0; i--)
{
char c = lineText[i];
if (c == ' ' && hitSpace)
{
startOfSig = i + 1;
break;
}
else if (c == ' ')
{
hitSpace = true;
}
}
var propertySignature = lineText.Substring(startOfSig, endOfSig - startOfSig);
IMethodContract getterContract;
IMethodContract setterContract = null;
if (gettersToContracts.TryGetValue(propertySignature, out getterContract) || settersToContracts.TryGetValue(propertySignature, out setterContract))
{
var tag = propertySignature.GetHashCode();
int firstNonWhitespace = 0;
for (int i = 0; i < lineText.Count(); i++)
{
char c = lineText[i];
if (c != ' ')
{
firstNonWhitespace = i;
break;
}
}
var span = textView.TextSnapshot.CreateTrackingSpan(line.Start + firstNonWhitespace, propertySignature.Length, SpanTrackingMode.EdgeExclusive);
var adornment = new ContractAdornment(tag, span, defaultFontSize, false, null, getterContract, setterContract, "Contracts from " + typeName + ".");
adornmentManager.AddAdornment(adornment, tag);//TODO: Inherit from info is wrong.
}
}
else if (lineText.Contains('(') && lineText.Contains('(') && lineText.Contains(';')) //If method
{
int endOfSig = lineText.LastIndexOf(')') + 1;
int startOfSig = lineText.IndexOf('(');
bool hitSpace = false;
for (int i = startOfSig; i > 0; i--)
{
char c = lineText[i];
if (c == ' ' && hitSpace)
{
startOfSig = i + 1;
break;
}
else if (c == ' ')
{
hitSpace = true;
}
}
var methodSignature = lineText.Substring(startOfSig, endOfSig - startOfSig);
IMethodContract methodContract;
if (methodsToContracts.TryGetValue(methodSignature, out methodContract))
{
var tag = methodSignature.GetHashCode();
int firstNonWhitespace = 0;
for (int i = 0; i < lineText.Count(); i++)
{
char c = lineText[i];
if (c != ' ')
{
firstNonWhitespace = i;
break;
}
}
var span = textView.TextSnapshot.CreateTrackingSpan(line.Start + firstNonWhitespace, methodSignature.Length, SpanTrackingMode.EdgeExclusive);
var adornment = new ContractAdornment(tag, span, defaultFontSize, false, null, methodContract, "Contracts from " + typeName + ".");
adornmentManager.AddAdornment(adornment, tag);//TODO: Inherit from info is wrong.
}
}
}
if (true)
{
}
}