/// <summary>
/// Examines the set of <paramref name="attributes"/> and returns a new <see cref="SourceInfo"/>
/// instance from the first <c>SourceInfoAttribute</c> in the set.
/// </summary>
/// <param name="attributes">A list of attribute instances that may contain a <c>SourceInfoAttribute</c>.</param>
/// <returns>A new <see cref="SourceInfo"/> instance or <c>null</c> if the set of <paramref name="attributes"/>
/// did not contain a <c>SourceInfoAttribute</c>.
/// </returns>
internal static SourceInfo GetSourceInfoFromAttributes(IEnumerable <object> attributes)
{
SourceInfo sourceInfo = null;
foreach (object attribute in attributes)
{
Type attributeType = attribute.GetType();
if (((SourceInfo.sourceInfoAttributeType != null && attributeType == SourceInfo.sourceInfoAttributeType)) ||
attributeType.FullName.EndsWith(SourceInfo.SourceInfoAttributeTypeName, StringComparison.Ordinal))
{
return(SourceInfo.GetSourceInfoFromAttribute(attribute));
}
}
return(sourceInfo);
}
/// <summary>
/// See <see cref="ISourceFileProvider.GetFileForMember"/>.
/// </summary>
/// <remarks>
/// This implementation-specific method uses Reflection to find a
/// <c>SourceInfoAttribute</c> attached to the member. If present,
/// it identifies the source file.
/// </remarks>
/// <param name="memberInfo">The member for which a file location is needed.</param>
/// <returns>The file name or <c>null</c> if it cannot be determined.</returns>
public string GetFileForMember(MemberInfo memberInfo)
{
SourceInfo sourceInfo = SourceInfo.GetSourceInfoFromAttributes(((ICustomAttributeProvider)memberInfo).GetCustomAttributes(false));
return((sourceInfo == null) ? null : sourceInfo.FileName);
}