public bool Apply(IFunctionSpecificationAnalyser aNativeFunction, IFunctionAssembler aAssembler)
{
if (!aNativeFunction.CurrentParameterType.MatchToPattern(
new PointerCType(new NamedCType("char"))).IsMatch)
{
return(false);
}
if (-1 != Matcher.CType(aNativeFunction.CurrentParameterType).FirstMatch(
new NamedCType("size_t"),
new NamedCType("int")
))
{
return(false);
}
if (!aNativeFunction.ReturnType.MatchToPattern(
new NamedCType("int")).IsMatch)
{
return(false);
}
if (aNativeFunction.CurrentParameterIndex != aNativeFunction.ParameterCount - 2)
{
return(false);
}
string lengthNativeType = ((NamedCType)aNativeFunction.NextParameterType).Name;
string lengthManagedType = lengthNativeType == "size_t" ? "UIntPtr" : "int";
string parameterName = aNativeFunction.CurrentParameter.Name;
string utf8StringName = "utf8_" + parameterName;
aAssembler.AddPInvokeParameter(new CSharpType("IntPtr"), aNativeFunction.CurrentParameter.Name, utf8StringName + ".IntPtr");
aAssembler.AddPInvokeParameter(new CSharpType(lengthManagedType), aNativeFunction.NextParameter.Name, "(" + lengthManagedType + ")(" + utf8StringName + ".BufferLength)");
aAssembler.SetPInvokeReturn(new CSharpType("int"), "stringLength_" + parameterName);
aAssembler.SetManagedReturn(new CSharpType("string"));
aAssembler.InsertAtTop("string returnValue;");
aAssembler.InsertAtTop("int stringLength_" + parameterName + " = 256;");
aAssembler.InsertBeforeCall("using (Utf8String " + utf8StringName + " = SpotifyMarshalling.AllocBuffer(stringLength_" + parameterName + "))");
aAssembler.InsertBeforeCall("{");
aAssembler.IncreaseIndent();
aAssembler.InsertPreCall("stringLength_" + parameterName);
aAssembler.InsertBeforeCall(utf8StringName + ".ReallocIfSmaller(stringLength_" + parameterName + " + 1);");
aAssembler.InsertAfterCall("returnValue = " + utf8StringName + ".GetString(stringLength_" + parameterName + ");");
aAssembler.DecreaseIndent();
aAssembler.InsertAfterCall("}");
aAssembler.InsertAtEnd("return returnValue;");
aNativeFunction.ConsumeArgument();
aNativeFunction.ConsumeArgument();
aNativeFunction.ConsumeReturn();
return(true);
}
public bool Apply(IFunctionSpecificationAnalyser aNativeFunction, IFunctionAssembler aAssembler)
{
if (!aNativeFunction.CurrentParameterType.MatchToPattern(
new PointerCType(new NamedCType("char"))).IsMatch)
{
return false;
}
if (-1 != Matcher.CType(aNativeFunction.CurrentParameterType).FirstMatch(
new NamedCType("size_t"),
new NamedCType("int")
))
{
return false;
}
if (!aNativeFunction.ReturnType.MatchToPattern(
new NamedCType("int")).IsMatch)
{
return false;
}
if (aNativeFunction.CurrentParameterIndex != aNativeFunction.ParameterCount - 2)
{
return false;
}
string lengthNativeType = ((NamedCType)aNativeFunction.NextParameterType).Name;
string lengthManagedType = lengthNativeType == "size_t" ? "UIntPtr" : "int";
string parameterName = aNativeFunction.CurrentParameter.Name;
string utf8StringName = "utf8_"+parameterName;
aAssembler.AddPInvokeParameter(new CSharpType("IntPtr"), aNativeFunction.CurrentParameter.Name, utf8StringName + ".IntPtr");
aAssembler.AddPInvokeParameter(new CSharpType(lengthManagedType), aNativeFunction.NextParameter.Name, "(" + lengthManagedType + ")(" + utf8StringName + ".BufferLength)");
aAssembler.SetPInvokeReturn(new CSharpType("int"), "stringLength_"+parameterName);
aAssembler.SetManagedReturn(new CSharpType("string"));
aAssembler.InsertAtTop( "string returnValue;");
aAssembler.InsertAtTop("int stringLength_" + parameterName + " = 256;");
aAssembler.InsertBeforeCall("using (Utf8String " + utf8StringName + " = SpotifyMarshalling.AllocBuffer(stringLength_" + parameterName + "))");
aAssembler.InsertBeforeCall("{");
aAssembler.IncreaseIndent();
aAssembler.InsertPreCall("stringLength_" + parameterName);
aAssembler.InsertBeforeCall(utf8StringName + ".ReallocIfSmaller(stringLength_" + parameterName + " + 1);");
aAssembler.InsertAfterCall("returnValue = " + utf8StringName + ".GetString(stringLength_" + parameterName + ");");
aAssembler.DecreaseIndent();
aAssembler.InsertAfterCall("}");
aAssembler.InsertAtEnd("return returnValue;");
aNativeFunction.ConsumeArgument();
aNativeFunction.ConsumeArgument();
aNativeFunction.ConsumeReturn();
return true;
}
