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// Generated by jextract

package org.purejava.appindicator;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct _GDBusInterfaceIface {
 *     GTypeInterface parent_iface;
 *     GDBusInterfaceInfo *(*get_info)(GDBusInterface *);
 *     GDBusObject *(*get_object)(GDBusInterface *);
 *     void (*set_object)(GDBusInterface *, GDBusObject *);
 *     GDBusObject *(*dup_object)(GDBusInterface *);
 * }
 * }
 */
public class _GDBusInterfaceIface {

    _GDBusInterfaceIface() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        _GTypeInterface.layout().withName("parent_iface"),
        app_indicator_h.C_POINTER.withName("get_info"),
        app_indicator_h.C_POINTER.withName("get_object"),
        app_indicator_h.C_POINTER.withName("set_object"),
        app_indicator_h.C_POINTER.withName("dup_object")
    ).withName("_GDBusInterfaceIface");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final GroupLayout parent_iface$LAYOUT = (GroupLayout)$LAYOUT.select(groupElement("parent_iface"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GTypeInterface parent_iface
     * }
     */
    public static final GroupLayout parent_iface$layout() {
        return parent_iface$LAYOUT;
    }

    private static final long parent_iface$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GTypeInterface parent_iface
     * }
     */
    public static final long parent_iface$offset() {
        return parent_iface$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GTypeInterface parent_iface
     * }
     */
    public static MemorySegment parent_iface(MemorySegment struct) {
        return struct.asSlice(parent_iface$OFFSET, parent_iface$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GTypeInterface parent_iface
     * }
     */
    public static void parent_iface(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, parent_iface$OFFSET, parent_iface$LAYOUT.byteSize());
    }

    /**
     * {@snippet lang=c :
     * GDBusInterfaceInfo *(*get_info)(GDBusInterface *)
     * }
     */
    public class get_info {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            MemorySegment apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(get_info.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(get_info.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static MemorySegment invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                return (MemorySegment) DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout get_info$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("get_info"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GDBusInterfaceInfo *(*get_info)(GDBusInterface *)
     * }
     */
    public static final AddressLayout get_info$layout() {
        return get_info$LAYOUT;
    }

    private static final long get_info$OFFSET = 16;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GDBusInterfaceInfo *(*get_info)(GDBusInterface *)
     * }
     */
    public static final long get_info$offset() {
        return get_info$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GDBusInterfaceInfo *(*get_info)(GDBusInterface *)
     * }
     */
    public static MemorySegment get_info(MemorySegment struct) {
        return struct.get(get_info$LAYOUT, get_info$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GDBusInterfaceInfo *(*get_info)(GDBusInterface *)
     * }
     */
    public static void get_info(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(get_info$LAYOUT, get_info$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * GDBusObject *(*get_object)(GDBusInterface *)
     * }
     */
    public class get_object {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            MemorySegment apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(get_object.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(get_object.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static MemorySegment invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                return (MemorySegment) DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout get_object$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("get_object"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GDBusObject *(*get_object)(GDBusInterface *)
     * }
     */
    public static final AddressLayout get_object$layout() {
        return get_object$LAYOUT;
    }

    private static final long get_object$OFFSET = 24;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GDBusObject *(*get_object)(GDBusInterface *)
     * }
     */
    public static final long get_object$offset() {
        return get_object$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GDBusObject *(*get_object)(GDBusInterface *)
     * }
     */
    public static MemorySegment get_object(MemorySegment struct) {
        return struct.get(get_object$LAYOUT, get_object$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GDBusObject *(*get_object)(GDBusInterface *)
     * }
     */
    public static void get_object(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(get_object$LAYOUT, get_object$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*set_object)(GDBusInterface *, GDBusObject *)
     * }
     */
    public class set_object {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply(MemorySegment _x0, MemorySegment _x1);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(set_object.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(set_object.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr,MemorySegment _x0, MemorySegment _x1) {
            try {
                 DOWN$MH.invokeExact(funcPtr, _x0, _x1);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout set_object$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("set_object"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*set_object)(GDBusInterface *, GDBusObject *)
     * }
     */
    public static final AddressLayout set_object$layout() {
        return set_object$LAYOUT;
    }

    private static final long set_object$OFFSET = 32;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*set_object)(GDBusInterface *, GDBusObject *)
     * }
     */
    public static final long set_object$offset() {
        return set_object$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*set_object)(GDBusInterface *, GDBusObject *)
     * }
     */
    public static MemorySegment set_object(MemorySegment struct) {
        return struct.get(set_object$LAYOUT, set_object$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*set_object)(GDBusInterface *, GDBusObject *)
     * }
     */
    public static void set_object(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(set_object$LAYOUT, set_object$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * GDBusObject *(*dup_object)(GDBusInterface *)
     * }
     */
    public class dup_object {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            MemorySegment apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(dup_object.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(dup_object.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static MemorySegment invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                return (MemorySegment) DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout dup_object$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("dup_object"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GDBusObject *(*dup_object)(GDBusInterface *)
     * }
     */
    public static final AddressLayout dup_object$layout() {
        return dup_object$LAYOUT;
    }

    private static final long dup_object$OFFSET = 40;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GDBusObject *(*dup_object)(GDBusInterface *)
     * }
     */
    public static final long dup_object$offset() {
        return dup_object$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GDBusObject *(*dup_object)(GDBusInterface *)
     * }
     */
    public static MemorySegment dup_object(MemorySegment struct) {
        return struct.get(dup_object$LAYOUT, dup_object$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GDBusObject *(*dup_object)(GDBusInterface *)
     * }
     */
    public static void dup_object(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(dup_object$LAYOUT, dup_object$OFFSET, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}