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Java bindings for libayatana-appindicator in 100% pure Java
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// Generated by jextract

package org.purejava.appindicator;

import java.lang.foreign.*;
import java.util.function.Consumer;

import static java.lang.foreign.MemoryLayout.PathElement.groupElement;
import static java.lang.foreign.ValueLayout.OfLong;

/**
 * {@snippet lang=c :
 * struct _GString {
 *     gchar *str;
 *     gsize len;
 *     gsize allocated_len;
 * }
 * }
 */
public class _GString {

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

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        app_indicator_h.C_POINTER.withName("str"),
        app_indicator_h.C_LONG.withName("len"),
        app_indicator_h.C_LONG.withName("allocated_len")
    ).withName("_GString");

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

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

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

    private static final long str$OFFSET = 0;

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

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

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

    private static final OfLong len$LAYOUT = (OfLong)$LAYOUT.select(groupElement("len"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * gsize len
     * }
     */
    public static final OfLong len$layout() {
        return len$LAYOUT;
    }

    private static final long len$OFFSET = 8;

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

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

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

    private static final OfLong allocated_len$LAYOUT = (OfLong)$LAYOUT.select(groupElement("allocated_len"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * gsize allocated_len
     * }
     */
    public static final OfLong allocated_len$layout() {
        return allocated_len$LAYOUT;
    }

    private static final long allocated_len$OFFSET = 16;

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

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

    /**
     * Setter for field:
     * {@snippet lang=c :
     * gsize allocated_len
     * }
     */
    public static void allocated_len(MemorySegment struct, long fieldValue) {
        struct.set(allocated_len$LAYOUT, allocated_len$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);
    }
}