private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack<MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
foreach (MemberInfo info in contextType.GetMember(this.methodInvoked, MemberTypes.Property | MemberTypes.Method, BindingFlags.FlattenHierarchy | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance))
{
if (!methodStack.Contains(info))
{
methodStack.Push(info);
object[] customAttributes = info.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length != 0))
{
foreach (RuleAttribute attribute in (RuleAttribute[]) customAttributes)
{
RuleReadWriteAttribute attribute2 = attribute as RuleReadWriteAttribute;
if (attribute2 != null)
{
attribute2.Analyze(analysis, info, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
((RuleInvokeAttribute) attribute).AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeDirectionExpression expression2 = (CodeDirectionExpression) expression;
CodeExpression expression3 = expression2.Expression;
bool flag = false;
bool flag2 = true;
RulePathQualifier qualifier2 = null;
switch (expression2.Direction)
{
case FieldDirection.In:
flag = false;
flag2 = true;
qualifier2 = new RulePathQualifier("*", null);
break;
case FieldDirection.Out:
flag = true;
flag2 = false;
qualifier2 = null;
break;
case FieldDirection.Ref:
flag = true;
flag2 = true;
qualifier2 = analysis.ForWrites ? null : new RulePathQualifier("*", null);
break;
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, flag2, flag, qualifier2);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if (analysis.ForWrites && !isWritten) // If we're tracking writes, then ignore things that aren't written.
return;
else if (!analysis.ForWrites && !isRead) // ... and vice-versa
return;
StringBuilder sb = new StringBuilder("this/");
for (RulePathQualifier q = qualifier; q != null; q = q.Next)
{
sb.Append(q.Name);
if (q.Name == "*")
{
if (q.Next != null)
throw new NotSupportedException(Messages.InvalidWildCardInPathQualifier);
}
else
{
sb.Append("/");
}
}
// Add the symbol to our set.
analysis.AddSymbol(sb.ToString());
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodePropertyReferenceExpression expression2 = (CodePropertyReferenceExpression) expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List<CodeExpression> attributedExprs = new List<CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, null, null, attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(propertyInfo.Name, qualifier));
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeIndexerExpression expression2 = (CodeIndexerExpression) expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List<CodeExpression> attributedExprs = new List<CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, expression2.Indices, propertyInfo.GetIndexParameters(), attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, qualifier);
}
for (int i = 0; i < expression2.Indices.Count; i++)
{
CodeExpression item = expression2.Indices[i];
if (!attributedExprs.Contains(item))
{
RuleExpressionWalker.AnalyzeUsage(analysis, item, true, false, null);
}
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
if (!analysis.ForWrites)
{
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
Stack<MemberInfo> methodStack = new Stack<MemberInfo>();
methodStack.Push(member);
this.AnalyzeInvokeAttribute(analysis, member.DeclaringType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
methodStack.Pop();
}
public static void AnalyzeUsage(RuleAnalysis analysis, CodeExpression expression, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if (analysis == null)
{
throw new ArgumentNullException("analysis");
}
GetExpression(expression).AnalyzeUsage(expression, analysis, isRead, isWritten, qualifier);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeObjectCreateExpression expression2 = (CodeObjectCreateExpression) expression;
foreach (CodeExpression expression3 in expression2.Parameters)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayIndexerExpression expression2 = (CodeArrayIndexerExpression) expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.TargetObject, isRead, isWritten, qualifier);
for (int i = 0; i < expression2.Indices.Count; i++)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Indices[i], true, false, null);
}
}
internal void AnalyzeRuleAttributes(MemberInfo member, CodeExpression targetExpr, RulePathQualifier targetQualifier, CodeExpressionCollection argExprs, ParameterInfo[] parameters, List<CodeExpression> attributedExprs)
{
object[] attrs = member.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length > 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
ruleAttrs[i].Analyze(this, member, targetExpr, targetQualifier, argExprs, parameters, attributedExprs);
}
}
internal void AnalyzeRuleAttributes(MemberInfo member, CodeExpression targetExpr, RulePathQualifier targetQualifier, CodeExpressionCollection argExprs, ParameterInfo[] parameters, List<CodeExpression> attributedExprs)
{
object[] customAttributes = member.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
RuleAttribute[] attributeArray = (RuleAttribute[]) customAttributes;
for (int i = 0; i < attributeArray.Length; i++)
{
attributeArray[i].Analyze(this, member, targetExpr, targetQualifier, argExprs, parameters, attributedExprs);
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayCreateExpression expression2 = (CodeArrayCreateExpression) expression;
if (expression2.SizeExpression != null)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.SizeExpression, true, false, null);
}
foreach (CodeExpression expression3 in expression2.Initializers)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeBinaryOperatorExpression expression2 = (CodeBinaryOperatorExpression) expression;
RuleBinaryExpressionInfo info = analysis.Validation.ExpressionInfo(expression2) as RuleBinaryExpressionInfo;
if (info != null)
{
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo != null)
{
List<CodeExpression> attributedExprs = new List<CodeExpression>();
CodeExpressionCollection argExprs = new CodeExpressionCollection();
argExprs.Add(expression2.Left);
argExprs.Add(expression2.Right);
CodeExpression targetExpr = new CodeTypeReferenceExpression(methodInfo.DeclaringType);
analysis.AnalyzeRuleAttributes(methodInfo, targetExpr, qualifier, argExprs, methodInfo.GetParameters(), attributedExprs);
}
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Left, true, false, null);
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Right, true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if ((!analysis.ForWrites || isWritten) && (analysis.ForWrites || isRead))
{
StringBuilder builder = new StringBuilder("this/");
for (RulePathQualifier qualifier2 = qualifier; qualifier2 != null; qualifier2 = qualifier2.Next)
{
builder.Append(qualifier2.Name);
if (qualifier2.Name == "*")
{
if (qualifier2.Next != null)
{
throw new NotSupportedException(Messages.InvalidWildCardInPathQualifier);
}
}
else
{
builder.Append("/");
}
}
analysis.AddSymbol(builder.ToString());
}
}
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack <MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
// Go through all the methods and properties on the target context,
// looking for all the ones that match the name on the attribute.
MemberInfo[] members = contextType.GetMember(methodInvoked, MemberTypes.Method | MemberTypes.Property, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
for (int m = 0; m < members.Length; ++m)
{
MemberInfo mi = members[m];
if (!methodStack.Contains(mi)) // Prevent recursion
{
methodStack.Push(mi);
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length != 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
{
RuleAttribute ruleAttr = ruleAttrs[i];
if (ruleAttr is RuleReadWriteAttribute readWriteAttr)
{
// Just analyze the read/write attribute normally.
readWriteAttr.Analyze(analysis, mi, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
RuleInvokeAttribute invokeAttr = (RuleInvokeAttribute)ruleAttr;
invokeAttr.AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
// A RuleWrite attribute is only applicable if we're analyzing for writes.
if (!analysis.ForWrites)
{
return;
}
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(attributePath))
{
// If the suffix is null or empty, this means the RuleAttributeTarget has no dependencies.
if (attributeTarget == RuleAttributeTarget.This)
{
// The target object has no dependencies.
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
// ALL arguments have no dependencies.
for (int i = 0; i < argumentExpressions.Count; ++i)
{
attributedExpressions.Add(argumentExpressions[i]);
}
}
}
else
{
string suffix = attributePath;
bool isRead = !analysis.ForWrites;
bool isWrite = analysis.ForWrites;
if (attributeTarget == RuleAttributeTarget.This)
{
// Target is "This", so perform the analysis on the target expression.
// Remove the optional "this/" token if present.
string optionalPrefix = "this/";
if (suffix.StartsWith(optionalPrefix, StringComparison.Ordinal))
{
suffix = suffix.Substring(optionalPrefix.Length);
}
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, isWrite, new RulePathQualifier(suffix, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int firstSlash = suffix.IndexOf('/');
if (firstSlash >= 0)
{
paramName = suffix.Substring(0, firstSlash);
suffix = suffix.Substring(firstSlash + 1);
}
else
{
paramName = suffix;
suffix = null;
}
// Find the ParameterInfo that corresponds to this attribute path.
ParameterInfo param = Array.Find <ParameterInfo>(parameters,
delegate(ParameterInfo p) { return(p.Name == paramName); });
if (param != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(suffix) ? null : new RulePathQualifier(suffix, null);
// 99.9% of the time, the parameter usage attribute only applies to one argument. However,
// if this attribute corresponds to the last parameter, then just assume that all the trailing
// arguments correspond. (In other words, if the caller passed more arguments then there
// are parameters, we assume it was a params array.)
//
// Usually this loop will only execute once.
int end = param.Position + 1;
if (param.Position == parameters.Length - 1)
{
end = argumentExpressions.Count;
}
for (int i = param.Position; i < end; ++i)
{
CodeExpression argExpr = argumentExpressions[i];
RuleExpressionWalker.AnalyzeUsage(analysis, argExpr, isRead, isWrite, qualifier);
attributedExpressions.Add(argExpr);
}
}
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeObjectCreateExpression createExpression = (CodeObjectCreateExpression)expression;
// check each parameter
foreach (CodeExpression p in createExpression.Parameters)
{
RuleExpressionWalker.AnalyzeUsage(analysis, p, true, false, null);
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
// A RuleWrite attribute is only applicable if we're analyzing for writes.
if (!analysis.ForWrites)
return;
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeBinaryOperatorExpression expression2 = (CodeBinaryOperatorExpression)expression;
RuleBinaryExpressionInfo info = analysis.Validation.ExpressionInfo(expression2) as RuleBinaryExpressionInfo;
if (info != null)
{
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo != null)
{
List <CodeExpression> attributedExprs = new List <CodeExpression>();
CodeExpressionCollection argExprs = new CodeExpressionCollection();
argExprs.Add(expression2.Left);
argExprs.Add(expression2.Right);
CodeExpression targetExpr = new CodeTypeReferenceExpression(methodInfo.DeclaringType);
analysis.AnalyzeRuleAttributes(methodInfo, targetExpr, qualifier, argExprs, methodInfo.GetParameters(), attributedExprs);
}
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Left, true, false, null);
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Right, true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeMethodInvokeExpression expression2 = (CodeMethodInvokeExpression)expression;
CodeExpression targetObject = expression2.Method.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RuleMethodInvokeExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RuleMethodInvokeExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
MethodInfo methodInfo = info2.MethodInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(methodInfo, targetObject, qualifier, expression2.Parameters, methodInfo.GetParameters(), attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, true, false, null);
}
for (int i = 0; i < expression2.Parameters.Count; i++)
{
CodeExpression item = expression2.Parameters[i];
if (!attributedExprs.Contains(item))
{
RuleExpressionWalker.AnalyzeUsage(analysis, item, true, false, null);
}
}
}
internal abstract void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier);
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(this.attributePath))
{
if (this.attributeTarget == RuleAttributeTarget.This)
{
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
for (int i = 0; i < argumentExpressions.Count; i++)
{
attributedExpressions.Add(argumentExpressions[i]);
}
}
}
else
{
string attributePath = this.attributePath;
bool isRead = !analysis.ForWrites;
bool forWrites = analysis.ForWrites;
if (this.attributeTarget == RuleAttributeTarget.This)
{
string str2 = "this/";
if (attributePath.StartsWith(str2, StringComparison.Ordinal))
{
attributePath = attributePath.Substring(str2.Length);
}
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, forWrites, new RulePathQualifier(attributePath, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int index = attributePath.IndexOf('/');
if (index >= 0)
{
paramName = attributePath.Substring(0, index);
attributePath = attributePath.Substring(index + 1);
}
else
{
paramName = attributePath;
attributePath = null;
}
ParameterInfo info = Array.Find <ParameterInfo>(parameters, p => p.Name == paramName);
if (info != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(attributePath) ? null : new RulePathQualifier(attributePath, null);
int count = info.Position + 1;
if (info.Position == (parameters.Length - 1))
{
count = argumentExpressions.Count;
}
for (int j = info.Position; j < count; j++)
{
CodeExpression expression = argumentExpressions[j];
RuleExpressionWalker.AnalyzeUsage(analysis, expression, isRead, forWrites, qualifier);
attributedExpressions.Add(expression);
}
}
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodePropertyReferenceExpression expression2 = (CodePropertyReferenceExpression)expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, null, null, attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(propertyInfo.Name, qualifier));
}
}
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack <MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
foreach (MemberInfo info in contextType.GetMember(this.methodInvoked, MemberTypes.Property | MemberTypes.Method, BindingFlags.FlattenHierarchy | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance))
{
if (!methodStack.Contains(info))
{
methodStack.Push(info);
object[] customAttributes = info.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length != 0))
{
foreach (RuleAttribute attribute in (RuleAttribute[])customAttributes)
{
RuleReadWriteAttribute attribute2 = attribute as RuleReadWriteAttribute;
if (attribute2 != null)
{
attribute2.Analyze(analysis, info, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
((RuleInvokeAttribute)attribute).AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack<MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
// Go through all the methods and properties on the target context,
// looking for all the ones that match the name on the attribute.
MemberInfo[] members = contextType.GetMember(methodInvoked, MemberTypes.Method | MemberTypes.Property, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
for (int m = 0; m < members.Length; ++m)
{
MemberInfo mi = members[m];
if (!methodStack.Contains(mi)) // Prevent recursion
{
methodStack.Push(mi);
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length != 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
{
RuleAttribute ruleAttr = ruleAttrs[i];
RuleReadWriteAttribute readWriteAttr = ruleAttr as RuleReadWriteAttribute;
if (readWriteAttr != null)
{
// Just analyze the read/write attribute normally.
readWriteAttr.Analyze(analysis, mi, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
RuleInvokeAttribute invokeAttr = (RuleInvokeAttribute)ruleAttr;
invokeAttr.AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
// Analyze the target object, flowing down the qualifier from above. An expression
// like:
// this.a.b[2,3].c[4].d[5] = 99;
// should produce a path similar to:
// this/a/b/c/d
CodeArrayIndexerExpression arrayIndexerExpr = (CodeArrayIndexerExpression)expression;
RuleExpressionWalker.AnalyzeUsage(analysis, arrayIndexerExpr.TargetObject, isRead, isWritten, qualifier);
// Analyze the indexer arguments. They are read.
for (int i = 0; i < arrayIndexerExpr.Indices.Count; ++i)
RuleExpressionWalker.AnalyzeUsage(analysis, arrayIndexerExpr.Indices[i], true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
string message;
CodeIndexerExpression indexerExpr = (CodeIndexerExpression)expression;
// Evaluate the target object and get its type.
CodeExpression targetObject = indexerExpr.TargetObject;
RuleExpressionInfo targetExprInfo = analysis.Validation.ExpressionInfo(targetObject);
if (targetExprInfo == null) // Oops, someone forgot to validate.
{
message = string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated);
InvalidOperationException exception = new InvalidOperationException(message);
exception.Data[RuleUserDataKeys.ErrorObject] = targetObject;
throw exception;
}
// Get the property info from the validator so we can look for [RuleRead] and [RuleWrite] attributes.
RulePropertyExpressionInfo propExprInfo = analysis.Validation.ExpressionInfo(indexerExpr) as RulePropertyExpressionInfo;
if (propExprInfo == null) // Oops, someone forgot to validate.
{
message = string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated);
InvalidOperationException exception = new InvalidOperationException(message);
exception.Data[RuleUserDataKeys.ErrorObject] = indexerExpr;
throw exception;
}
PropertyInfo pi = propExprInfo.PropertyInfo;
// Look for RuleAttribute's on the invoked indexer property.
List<CodeExpression> attributedExprs = new List<CodeExpression>();
analysis.AnalyzeRuleAttributes(pi, targetObject, qualifier, indexerExpr.Indices, pi.GetIndexParameters(), attributedExprs);
// See if the target object needs default analysis.
if (!attributedExprs.Contains(targetObject))
{
// The property had no [RuleRead] or [RuleWrite] attributes. The target object is read or
// written (as the case may be).
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, qualifier);
}
// See if any of the arguments need default analysis.
for (int i = 0; i < indexerExpr.Indices.Count; ++i)
{
CodeExpression argExpr = indexerExpr.Indices[i];
if (!attributedExprs.Contains(argExpr))
{
// Similar to the target object, we assume that this method can reads the value
// of the parameter, but none of its members.
RuleExpressionWalker.AnalyzeUsage(analysis, argExpr, true, false, null);
}
}
}
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(attributePath))
{
// If the suffix is null or empty, this means the RuleAttributeTarget has no dependencies.
if (attributeTarget == RuleAttributeTarget.This)
{
// The target object has no dependencies.
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
// ALL arguments have no dependencies.
for (int i = 0; i < argumentExpressions.Count; ++i)
attributedExpressions.Add(argumentExpressions[i]);
}
}
else
{
string suffix = attributePath;
bool isRead = !analysis.ForWrites;
bool isWrite = analysis.ForWrites;
if (attributeTarget == RuleAttributeTarget.This)
{
// Target is "This", so perform the analysis on the target expression.
// Remove the optional "this/" token if present.
string optionalPrefix = "this/";
if (suffix.StartsWith(optionalPrefix, StringComparison.Ordinal))
suffix = suffix.Substring(optionalPrefix.Length);
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, isWrite, new RulePathQualifier(suffix, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int firstSlash = suffix.IndexOf('/');
if (firstSlash >= 0)
{
paramName = suffix.Substring(0, firstSlash);
suffix = suffix.Substring(firstSlash + 1);
}
else
{
paramName = suffix;
suffix = null;
}
// Find the ParameterInfo that corresponds to this attribute path.
ParameterInfo param = Array.Find<ParameterInfo>(parameters,
delegate(ParameterInfo p) { return p.Name == paramName; });
if (param != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(suffix) ? null : new RulePathQualifier(suffix, null);
// 99.9% of the time, the parameter usage attribute only applies to one argument. However,
// if this attribute corresponds to the last parameter, then just assume that all the trailing
// arguments correspond. (In other words, if the caller passed more arguments then there
// are parameters, we assume it was a params array.)
//
// Usually this loop will only execute once.
int end = param.Position + 1;
if (param.Position == parameters.Length - 1)
end = argumentExpressions.Count;
for (int i = param.Position; i < end; ++i)
{
CodeExpression argExpr = argumentExpressions[i];
RuleExpressionWalker.AnalyzeUsage(analysis, argExpr, isRead, isWrite, qualifier);
attributedExpressions.Add(argExpr);
}
}
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayIndexerExpression expression2 = (CodeArrayIndexerExpression)expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.TargetObject, isRead, isWritten, qualifier);
for (int i = 0; i < expression2.Indices.Count; i++)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Indices[i], true, false, null);
}
}
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(this.attributePath))
{
if (this.attributeTarget == RuleAttributeTarget.This)
{
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
for (int i = 0; i < argumentExpressions.Count; i++)
{
attributedExpressions.Add(argumentExpressions[i]);
}
}
}
else
{
string attributePath = this.attributePath;
bool isRead = !analysis.ForWrites;
bool forWrites = analysis.ForWrites;
if (this.attributeTarget == RuleAttributeTarget.This)
{
string str2 = "this/";
if (attributePath.StartsWith(str2, StringComparison.Ordinal))
{
attributePath = attributePath.Substring(str2.Length);
}
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, forWrites, new RulePathQualifier(attributePath, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int index = attributePath.IndexOf('/');
if (index >= 0)
{
paramName = attributePath.Substring(0, index);
attributePath = attributePath.Substring(index + 1);
}
else
{
paramName = attributePath;
attributePath = null;
}
ParameterInfo info = Array.Find<ParameterInfo>(parameters, p => p.Name == paramName);
if (info != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(attributePath) ? null : new RulePathQualifier(attributePath, null);
int count = info.Position + 1;
if (info.Position == (parameters.Length - 1))
{
count = argumentExpressions.Count;
}
for (int j = info.Position; j < count; j++)
{
CodeExpression expression = argumentExpressions[j];
RuleExpressionWalker.AnalyzeUsage(analysis, expression, isRead, forWrites, qualifier);
attributedExpressions.Add(expression);
}
}
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayCreateExpression createExpression = (CodeArrayCreateExpression)expression;
if (createExpression.SizeExpression != null)
RuleExpressionWalker.AnalyzeUsage(analysis, createExpression.SizeExpression, true, false, null);
foreach (CodeExpression p in createExpression.Initializers)
RuleExpressionWalker.AnalyzeUsage(analysis, p, true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeObjectCreateExpression expression2 = (CodeObjectCreateExpression)expression;
foreach (CodeExpression expression3 in expression2.Parameters)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeDirectionExpression expression2 = (CodeDirectionExpression)expression;
CodeExpression expression3 = expression2.Expression;
bool flag = false;
bool flag2 = true;
RulePathQualifier qualifier2 = null;
switch (expression2.Direction)
{
case FieldDirection.In:
flag = false;
flag2 = true;
qualifier2 = new RulePathQualifier("*", null);
break;
case FieldDirection.Out:
flag = true;
flag2 = false;
qualifier2 = null;
break;
case FieldDirection.Ref:
flag = true;
flag2 = true;
qualifier2 = analysis.ForWrites ? null : new RulePathQualifier("*", null);
break;
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, flag2, flag, qualifier2);
}
public RulePathQualifier(string name, RulePathQualifier next)
{
this.name = name;
this.next = next;
}
internal abstract void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions);
internal void AnalyzeRuleAttributes(MemberInfo member, CodeExpression targetExpr, RulePathQualifier targetQualifier, CodeExpressionCollection argExprs, ParameterInfo[] parameters, List <CodeExpression> attributedExprs)
{
object[] attrs = member.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length > 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
{
ruleAttrs[i].Analyze(this, member, targetExpr, targetQualifier, argExprs, parameters, attributedExprs);
}
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
Stack <MemberInfo> methodStack = new Stack <MemberInfo>();
methodStack.Push(member);
AnalyzeInvokeAttribute(analysis, member.DeclaringType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
methodStack.Pop();
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if ((!analysis.ForWrites || isWritten) && (analysis.ForWrites || isRead))
{
StringBuilder builder = new StringBuilder("this/");
for (RulePathQualifier qualifier2 = qualifier; qualifier2 != null; qualifier2 = qualifier2.Next)
{
builder.Append(qualifier2.Name);
if (qualifier2.Name == "*")
{
if (qualifier2.Next != null)
{
throw new NotSupportedException(Messages.InvalidWildCardInPathQualifier);
}
}
else
{
builder.Append("/");
}
}
analysis.AddSymbol(builder.ToString());
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayCreateExpression expression2 = (CodeArrayCreateExpression)expression;
if (expression2.SizeExpression != null)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.SizeExpression, true, false, null);
}
foreach (CodeExpression expression3 in expression2.Initializers)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
if (analysis.ForWrites)
{
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
public RulePathQualifier(string name, RulePathQualifier next)
{
this.name = name;
this.next = next;
}
internal void AnalyzeRuleAttributes(MemberInfo member, CodeExpression targetExpr, RulePathQualifier targetQualifier, CodeExpressionCollection argExprs, ParameterInfo[] parameters, List <CodeExpression> attributedExprs)
{
object[] customAttributes = member.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
RuleAttribute[] attributeArray = (RuleAttribute[])customAttributes;
for (int i = 0; i < attributeArray.Length; i++)
{
attributeArray[i].Analyze(this, member, targetExpr, targetQualifier, argExprs, parameters, attributedExprs);
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeCastExpression expression2 = (CodeCastExpression) expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Expression, true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
ruleExpr.AnalyzeUsage(analysis, isRead, isWritten, qualifier);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
this.ruleExpr.AnalyzeUsage(analysis, isRead, isWritten, qualifier);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeBinaryOperatorExpression binaryExpr = (CodeBinaryOperatorExpression)expression;
// Get the method info from the validation so we can look for [RuleRead] and [RuleWrite] attributes.
RuleBinaryExpressionInfo expressionInfo = analysis.Validation.ExpressionInfo(binaryExpr) as RuleBinaryExpressionInfo;
if (expressionInfo != null)
{
// we may be calling a method, not a default operator
MethodInfo method = expressionInfo.MethodInfo;
if (method != null)
{
List<CodeExpression> attributedExprs = new List<CodeExpression>();
CodeExpressionCollection arguments = new CodeExpressionCollection();
arguments.Add(binaryExpr.Left);
arguments.Add(binaryExpr.Right);
CodeExpression targetObject = new CodeTypeReferenceExpression(method.DeclaringType);
analysis.AnalyzeRuleAttributes(method, targetObject, qualifier, arguments, method.GetParameters(), attributedExprs);
}
}
// Analyze the left & right children.
RuleExpressionWalker.AnalyzeUsage(analysis, binaryExpr.Left, true, false, null);
RuleExpressionWalker.AnalyzeUsage(analysis, binaryExpr.Right, true, false, null);
}
public static void AnalyzeUsage(RuleAnalysis analysis, CodeExpression expression, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if (analysis == null)
{
throw new ArgumentNullException("analysis");
}
GetExpression(expression).AnalyzeUsage(expression, analysis, isRead, isWritten, qualifier);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeFieldReferenceExpression expression2 = (CodeFieldReferenceExpression)expression;
CodeExpression targetObject = expression2.TargetObject;
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(expression2.FieldName, qualifier));
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeFieldReferenceExpression expression2 = (CodeFieldReferenceExpression) expression;
CodeExpression targetObject = expression2.TargetObject;
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(expression2.FieldName, qualifier));
}
internal abstract void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions);
