public bool HasAssemblyAttribute(string name)
{
_assemblyImport.GetAssemblyFromScope(out uint assemblyScope);
IMetaDataImport2 import2 = (IMetaDataImport2)_assemblyImport;
IntPtr valuePtr = IntPtr.Zero;
import2.GetCustomAttributeByName(assemblyScope, name, out valuePtr, out uint valueLen);
return(valueLen != 0);
}
public bool HasAssemblyAttribute(string name)
{
uint num;
this._assemblyImport.GetAssemblyFromScope(out num);
IMetaDataImport2 import = (IMetaDataImport2)this._assemblyImport;
IntPtr zero = IntPtr.Zero;
uint pcbData = 0;
import.GetCustomAttributeByName(num, name.ToCharArray(), out zero, out pcbData);
return(pcbData != 0);
}
// Token: 0x06000E18 RID: 3608 RVA: 0x00037CB0 File Offset: 0x00035EB0
public bool HasAssemblyAttribute(string name)
{
uint mdTokenObj;
this._assemblyImport.GetAssemblyFromScope(out mdTokenObj);
IMetaDataImport2 metaDataImport = (IMetaDataImport2)this._assemblyImport;
IntPtr zero = IntPtr.Zero;
uint num = 0u;
metaDataImport.GetCustomAttributeByName(mdTokenObj, name, out zero, out num);
return(num > 0u);
}
/// <summary>
/// Get the framework name from the assembly.
/// </summary>
private FrameworkName GetFrameworkName()
{
FrameworkName frameworkAttribute = null;
try
{
IMetaDataImport2 import2 = (IMetaDataImport2)_assemblyImport;
IntPtr data = IntPtr.Zero;
UInt32 valueLen = 0;
string frameworkNameAttribute = null;
UInt32 assemblyScope;
_assemblyImport.GetAssemblyFromScope(out assemblyScope);
int hr = import2.GetCustomAttributeByName(assemblyScope, s_targetFrameworkAttribute, out data, out valueLen);
// get the AssemblyTitle
if (hr == NativeMethodsShared.S_OK)
{
// if an AssemblyTitle exists, parse the contents of the blob
if (NativeMethods.TryReadMetadataString(_sourceFile, data, valueLen, out frameworkNameAttribute))
{
if (!String.IsNullOrEmpty(frameworkNameAttribute))
{
frameworkAttribute = new FrameworkName(frameworkNameAttribute);
}
}
}
}
catch (Exception e)
{
if (ExceptionHandling.IsCriticalException(e))
{
throw;
}
}
return(frameworkAttribute);
}
/// <summary>
/// Get the framework name from the assembly.
/// </summary>
private FrameworkName GetFrameworkName()
{
// Disabling use of System.Reflection in case of MONO, because
// Assembly.GetCustomAttributes* for an attribute which belongs
// to an assembly that mono cannot find, causes a crash!
// Instead, opt for using PEReader and friends to get that info
#if FEATURE_ASSEMBLY_LOADFROM && !MONO
if (!NativeMethodsShared.IsWindows)
{
if (String.Equals(Environment.GetEnvironmentVariable("MONO29679"), "1", StringComparison.OrdinalIgnoreCase))
{
// Getting custom attributes in CoreFx contract assemblies is busted
// https://bugzilla.xamarin.com/show_bug.cgi?id=29679
return(null);
}
CustomAttributeData attr = null;
foreach (CustomAttributeData a in _assembly.GetCustomAttributesData())
{
try
{
if (a.AttributeType.Equals(typeof(TargetFrameworkAttribute)))
{
attr = a;
break;
}
}
catch
{
}
}
string name = null;
if (attr != null)
{
name = (string)attr.ConstructorArguments[0].Value;
}
return(name == null ? null : new FrameworkName(name));
}
FrameworkName frameworkAttribute = null;
try
{
IMetaDataImport2 import2 = (IMetaDataImport2)_assemblyImport;
IntPtr data = IntPtr.Zero;
UInt32 valueLen = 0;
string frameworkNameAttribute = null;
UInt32 assemblyScope;
_assemblyImport.GetAssemblyFromScope(out assemblyScope);
int hr = import2.GetCustomAttributeByName(assemblyScope, s_targetFrameworkAttribute, out data, out valueLen);
// get the AssemblyTitle
if (hr == NativeMethodsShared.S_OK)
{
// if an AssemblyTitle exists, parse the contents of the blob
if (NativeMethods.TryReadMetadataString(_sourceFile, data, valueLen, out frameworkNameAttribute))
{
if (!String.IsNullOrEmpty(frameworkNameAttribute))
{
frameworkAttribute = new FrameworkName(frameworkNameAttribute);
}
}
}
}
catch (Exception e)
{
if (ExceptionHandling.IsCriticalException(e))
{
throw;
}
}
return(frameworkAttribute);
#else
CorePopulateMetadata();
return(_frameworkName);
#endif
}
/// <summary>
/// Get the framework name from the assembly.
/// </summary>
private FrameworkName GetFrameworkName()
{
// Disabling use of System.Reflection in case of MONO, because
// Assembly.GetCustomAttributes* for an attribute which belongs
// to an assembly that mono cannot find, causes a crash!
// Instead, opt for using PEReader and friends to get that info
#if FEATURE_ASSEMBLY_LOADFROM && !MONO
if (!NativeMethodsShared.IsWindows)
{
if (String.Equals(Environment.GetEnvironmentVariable("MONO29679"), "1", StringComparison.OrdinalIgnoreCase))
{
// Getting custom attributes in CoreFx contract assemblies is busted
// https://bugzilla.xamarin.com/show_bug.cgi?id=29679
return(null);
}
CustomAttributeData attr = null;
foreach (CustomAttributeData a in _assembly.GetCustomAttributesData())
{
try
{
if (a.AttributeType.Equals(typeof(TargetFrameworkAttribute)))
{
attr = a;
break;
}
}
catch
{
}
}
string name = null;
if (attr != null)
{
name = (string)attr.ConstructorArguments[0].Value;
}
return(name == null ? null : new FrameworkName(name));
}
FrameworkName frameworkAttribute = null;
try
{
IMetaDataImport2 import2 = (IMetaDataImport2)_assemblyImport;
IntPtr data = IntPtr.Zero;
UInt32 valueLen = 0;
string frameworkNameAttribute = null;
UInt32 assemblyScope;
_assemblyImport.GetAssemblyFromScope(out assemblyScope);
int hr = import2.GetCustomAttributeByName(assemblyScope, s_targetFrameworkAttribute, out data, out valueLen);
// get the AssemblyTitle
if (hr == NativeMethodsShared.S_OK)
{
// if an AssemblyTitle exists, parse the contents of the blob
if (NativeMethods.TryReadMetadataString(_sourceFile, data, valueLen, out frameworkNameAttribute))
{
if (!String.IsNullOrEmpty(frameworkNameAttribute))
{
frameworkAttribute = new FrameworkName(frameworkNameAttribute);
}
}
}
}
catch (Exception e)
{
if (ExceptionHandling.IsCriticalException(e))
{
throw;
}
}
return(frameworkAttribute);
#else
using (var stream = File.OpenRead(_sourceFile))
using (var peFile = new PEReader(stream))
{
var metadataReader = peFile.GetMetadataReader();
var attrs = metadataReader.GetAssemblyDefinition().GetCustomAttributes()
.Select(ah => metadataReader.GetCustomAttribute(ah));
foreach (var attr in attrs)
{
var ctorHandle = attr.Constructor;
if (ctorHandle.Kind != HandleKind.MemberReference)
{
continue;
}
var container = metadataReader.GetMemberReference((MemberReferenceHandle)ctorHandle).Parent;
var name = metadataReader.GetTypeReference((TypeReferenceHandle)container).Name;
if (!string.Equals(metadataReader.GetString(name), "TargetFrameworkAttribute"))
{
continue;
}
var arguments = GetFixedStringArguments(metadataReader, attr);
if (arguments.Count == 1)
{
return(new FrameworkName(arguments[0]));
}
}
}
return(null);
#endif
}