1 package org.hedgewars.hedgeroid.frontlib;

     2 

     3 import com.sun.jna.DefaultTypeMapper;

     4 import com.sun.jna.FromNativeContext;

     5 import com.sun.jna.ToNativeContext;

     6 import com.sun.jna.TypeConverter;

     7 import com.sun.jna.TypeMapper;

     8 

     9 class AndroidTypeMapper extends DefaultTypeMapper {

    10 	static final int NATIVE_INT_SIZE = 4;

    11 	static final int NATIVE_SIZE_T_SIZE = 4;

    12 	static final int NATIVE_BOOL_SIZE = 1;

    13     public static final TypeMapper INSTANCE = new AndroidTypeMapper();

    14     

    15     protected AndroidTypeMapper() {

    16         addTypeConverter(Boolean.class, new BooleanConverter());

    17         addTypeConverter(NativeSizeT.class, new SizeTConverter());

    18     }

    19 

    20     private static final class BooleanConverter implements TypeConverter {

    21     	public Class<Byte> nativeType() {

    22     		return Byte.class;

    23     	}

    24     	public Object fromNative(Object value, FromNativeContext context) {

    25     		return ((Byte)value).intValue() != 0 ? Boolean.TRUE : Boolean.FALSE;

    26     	}

    27     	public Object toNative(Object value, ToNativeContext context) {

    28     		return Byte.valueOf((byte)(Boolean.TRUE.equals(value) ? 1 : 0));

    29     	}

    30     }

    31     

    32     private static final class SizeTConverter implements TypeConverter {

    33     	public Class<Integer> nativeType() {

    34     		return Integer.class;

    35     	}

    36     	public Object fromNative(Object value, FromNativeContext context) {

    37     		return NativeSizeT.valueOf((Integer)value);

    38     	}

    39     	public Object toNative(Object value, ToNativeContext context) {

    40     		return Integer.valueOf(value==null ? 0 : ((NativeSizeT)value).intValue());

    41     	}

    42     }

    43 }

    44