private void WriteThrow(MagickMethod method)
{
WriteThrowStart();
if (method.CreatesInstance)
{
WriteLine("IntPtr result;");
}
else if (!method.ReturnType.IsVoid)
{
WriteLine(method.ReturnType.Native + " result;");
}
var arguments = GetNativeArgumentsCall(method);
var action = "NativeMethods.{0}." + Class.Name + "_" + method.Name + "(" + arguments + ");";
if (!method.ReturnType.IsVoid || method.CreatesInstance)
{
action = "result = " + action;
}
WriteNativeIfContent(action);
WriteCreateOut(method.Arguments);
var cleanupString = CreateCleanupString(method);
if (!string.IsNullOrEmpty(cleanupString))
{
WriteCleanup(cleanupString);
}
else if (method.CreatesInstance && !Class.IsConst)
{
WriteLine("CheckException(exception, result);");
}
else
{
WriteCheckException(true);
}
if (method.CreatesInstance && method.ReturnType.IsVoid)
{
WriteLine("if (result != IntPtr.Zero)");
WriteLine(" Instance = result;");
}
else
{
WriteReturn(method.ReturnType);
}
}
protected string GetNativeArgumentsDeclaration(MagickMethod method)
{
string arguments = GetNativeArgumentsDeclaration(method.Arguments);
if (Class.IsStatic || method.IsStatic)
{
return(arguments);
}
else if (string.IsNullOrEmpty(arguments))
{
return("IntPtr Instance");
}
else
{
return("IntPtr Instance, " + arguments);
}
}
private string CreateCleanupString(MagickMethod method)
{
if (method.Cleanup == null)
{
if (!Class.HasInstance && !method.ReturnType.IsVoid)
return "Dispose(result);";
return null;
}
var cleanup = method.Cleanup;
string result = cleanup.Name + "(result";
if (cleanup.Arguments.Count() > 0)
result += ", " + string.Join(", ", cleanup.Arguments);
return result + ");";
}
protected string?GetNativeArgumentsCall(MagickMethod method)
{
var arguments = GetNativeArgumentsCall(method.Arguments);
if (Class.IsStatic || method.IsStatic)
{
return(arguments);
}
else if (string.IsNullOrEmpty(arguments))
{
return("Instance");
}
else
{
return("Instance, " + arguments);
}
}
private string CreateCleanupString(MagickMethod method)
{
if (method.Cleanup == null)
{
if (!Class.HasInstance && !method.ReturnType.IsVoid)
{
return("Dispose(result);");
}
return(null);
}
var cleanup = method.Cleanup;
string result = cleanup.Name + "(result";
if (cleanup.Arguments.Count() > 0)
{
result += ", " + string.Join(", ", cleanup.Arguments);
}
return(result + ");");
}
private void WriteThrow(MagickMethod method)
{
WriteThrowStart();
if (method.CreatesInstance)
WriteLine("IntPtr result;");
else if (!method.ReturnType.IsVoid)
WriteLine(method.ReturnType.Native + " result;");
string arguments = GetNativeArgumentsCall(method);
string action = "NativeMethods.{0}." + Class.Name + "_" + method.Name + "(" + arguments + ");";
if (!method.ReturnType.IsVoid || method.CreatesInstance)
action = "result = " + action;
WriteNativeIfContent(action);
WriteCreateOut(method.Arguments);
string cleanupString = CreateCleanupString(method);
if (!string.IsNullOrEmpty(cleanupString))
WriteCleanup(cleanupString);
else if ((method.CreatesInstance) && !Class.IsConst)
WriteLine("CheckException(exception, result);");
else
WriteCheckException(true);
if (method.CreatesInstance && method.ReturnType.IsVoid)
WriteLine("Instance = result;");
else
WriteReturn(method.ReturnType);
}
protected bool HasSpan(MagickMethod method) => method.Arguments.Any(argument => argument.Type.IsSpan);
protected string GetNativeArgumentsDeclaration(MagickMethod method)
{
string arguments = GetNativeArgumentsDeclaration(method.Arguments);
if (Class.IsStatic || method.IsStatic)
return arguments;
else if (string.IsNullOrEmpty(arguments))
return "IntPtr Instance";
else
return "IntPtr Instance, " + arguments;
}