forked from enlightenment/efl
523 lines
15 KiB
C#
523 lines
15 KiB
C#
#pragma warning disable 1591
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using System;
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using System.Runtime.InteropServices;
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using System.Collections.Generic;
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using static Eina.TraitFunctions;
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using static Eina.IteratorNativeFunctions;
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using static Eina.HashNativeFunctions;
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using Eina.Callbacks;
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namespace Eina
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{
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[StructLayout(LayoutKind.Sequential)]
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public struct HashTupleNative
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{
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public IntPtr key;
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public IntPtr data;
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public uint key_length;
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}
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public static class HashNativeFunctions
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{
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_new(IntPtr key_length_cb, IntPtr key_cmp_cb, IntPtr key_hash_cb, IntPtr data_free_cb, int buckets_power_size);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_free_cb_set(IntPtr hash, IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_string_djb2_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_string_superfast_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_string_small_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_int32_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_int64_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_pointer_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_stringshared_new(IntPtr data_free_cb);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_add(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_direct_add(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_del(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_find(IntPtr hash, IntPtr key);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_modify(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_set(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_move(IntPtr hash, IntPtr old_key, IntPtr new_key);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_free(IntPtr hash);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_free_buckets(IntPtr hash);
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[DllImport(efl.Libs.Eina)] public static extern int
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eina_hash_population(IntPtr hash);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_add_by_hash(IntPtr hash, IntPtr key, int key_length, int key_hash, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_direct_add_by_hash(IntPtr hash, IntPtr key, int key_length, int key_hash, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_del_by_key_hash(IntPtr hash, IntPtr key, int key_length, int key_hash);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_del_by_key(IntPtr hash, IntPtr key);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_del_by_data(IntPtr hash, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_hash_del_by_hash(IntPtr hash, IntPtr key, int key_length, int key_hash, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_find_by_hash(IntPtr hash, IntPtr key, int key_length, int key_hash);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_modify_by_hash(IntPtr hash, IntPtr key, int key_length, int key_hash, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_iterator_key_new(IntPtr hash);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_iterator_data_new(IntPtr hash);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_hash_iterator_tuple_new(IntPtr hash);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_foreach(IntPtr hash, IntPtr func, IntPtr fdata);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_list_append(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_list_prepend(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_hash_list_remove(IntPtr hash, IntPtr key, IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern int
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eina_hash_superfast(string key, int len);
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[DllImport(efl.Libs.CustomExports)] public static extern IntPtr
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eina_hash_iterator_ptr_key_wrapper_new_custom_export_mono(IntPtr hash);
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}
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public class Hash<TKey, TValue> : IEnumerable<KeyValuePair<TKey, TValue>>, IDisposable
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{
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public IntPtr Handle {get; set;} = IntPtr.Zero;
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public bool Own {get; set;}
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public bool OwnKey {get; set;}
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public bool OwnValue {get; set;}
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public int Count
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{
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get
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{
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return Population();
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}
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}
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private void InitNew()
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{
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Handle = EinaHashNew<TKey>();
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SetOwn(true);
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SetOwnKey(true);
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SetOwnValue(true);
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}
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public Hash()
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{
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InitNew();
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}
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public Hash(IntPtr handle, bool own)
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{
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Handle = handle;
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SetOwnership(own);
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}
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public Hash(IntPtr handle, bool own, bool ownKey, bool ownValue)
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{
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Handle = handle;
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SetOwnership(own, ownKey, ownValue);
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}
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~Hash()
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{
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Dispose(false);
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}
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protected virtual void Dispose(bool disposing)
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{
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IntPtr h = Handle;
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Handle = IntPtr.Zero;
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if (h == IntPtr.Zero)
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{
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return;
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}
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if (Own)
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{
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if (disposing)
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{
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eina_hash_free(h);
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}
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else
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{
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Efl.Eo.Globals.ThreadSafeFreeCbExec(eina_hash_free, h);
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}
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}
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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public void Free()
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{
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Dispose();
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}
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public IntPtr Release()
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{
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IntPtr h = Handle;
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Handle = IntPtr.Zero;
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return h;
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}
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public void SetOwn(bool own)
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{
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Own = own;
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}
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public void SetOwnKey(bool ownKey)
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{
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OwnKey = ownKey;
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}
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public void SetOwnValue(bool ownValue)
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{
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OwnValue = ownValue;
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if (ownValue)
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{
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eina_hash_free_cb_set(Handle, EinaFreeCb<TValue>());
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}
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}
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public void SetOwnership(bool ownAll)
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{
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SetOwn(ownAll);
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SetOwnKey(ownAll);
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SetOwnValue(ownAll);
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}
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public void SetOwnership(bool own, bool ownKey, bool ownValue)
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{
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SetOwn(own);
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SetOwnKey(ownKey);
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SetOwnValue(ownValue);
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}
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public void UnSetFreeCb()
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{
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eina_hash_free_cb_set(Handle, IntPtr.Zero);
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}
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public bool AddNew(TKey key, TValue val)
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{
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IntPtr gchnk = CopyNativeObject(key, ForceRefKey<TKey>());
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IntPtr nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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IntPtr gchnv = CopyNativeObject(val, false);
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IntPtr nv = GetNativePtr<TValue>(gchnv, false);
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var r = eina_hash_add(Handle, nk, nv);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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FreeNativeIndirection<TValue>(gchnv, false);
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return r;
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}
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public void Add(TKey key, TValue val)
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{
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Set(key, val);
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}
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public bool DelByKey(TKey key)
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{
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IntPtr gchnk = CopyNativeObject(key, ForceRefKey<TKey>());
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IntPtr nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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var r = eina_hash_del_by_key(Handle, nk);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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// NativeFreeRef<TKey>(nk, OwnKey && r);
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return r;
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}
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public bool DelByValue(TValue val)
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{
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IntPtr gchnv = CopyNativeObject(val, false);
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IntPtr nv = GetNativePtr<TValue>(gchnv, false);
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var r = eina_hash_del_by_data(Handle, nv);
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FreeNativeIndirection<TValue>(gchnv, false);
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return r;
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}
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public void Remove(TKey key)
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{
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DelByKey(key);
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}
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public TValue Find(TKey key)
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{
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var gchnk = CopyNativeObject<TKey>(key, ForceRefKey<TKey>());
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var nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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var found = eina_hash_find(Handle, nk);
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//NativeFreeRef<TKey>(nk);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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if (found == IntPtr.Zero)
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{
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throw new KeyNotFoundException();
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}
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return NativeToManaged<TValue>(IndirectNative<TValue>(found, false));
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}
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public bool TryGetValue(TKey key, out TValue val)
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{
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var gchnk = CopyNativeObject<TKey>(key, ForceRefKey<TKey>());
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var nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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var found = eina_hash_find(Handle, nk);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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if (found == IntPtr.Zero)
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{
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val = default(TValue);
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return false;
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}
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val = NativeToManaged<TValue>(IndirectNative<TValue>(found, false));
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return true;
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}
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public bool ContainsKey(TKey key)
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{
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var gchnk = CopyNativeObject<TKey>(key, ForceRefKey<TKey>());
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var nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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// var nk = ManagedToNativeAllocRef(key);
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var found = eina_hash_find(Handle, nk);
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// NativeFreeRef<TKey>(nk);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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return found != IntPtr.Zero;
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}
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public bool Modify(TKey key, TValue val)
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{
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var gchnk = CopyNativeObject<TKey>(key, ForceRefKey<TKey>());
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var nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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var gchnv = CopyNativeObject<TValue>(val, false);
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var nv = GetNativePtr<TValue>(gchnv, false);
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var old = eina_hash_modify(Handle, nk, nv);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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// NativeFreeRef<TKey>(nk);
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if (old == IntPtr.Zero)
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{
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NativeFree<TValue>(nv);
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return false;
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}
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if (OwnValue)
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{
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NativeFree<TValue>(old);
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}
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return true;
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}
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private static bool ForceRefKey<T>()
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{
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return (!typeof(T).IsValueType) && (typeof(T) != typeof(string));
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}
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private static IntPtr CopyNativeObject<T>(T value, bool forceRef)
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{
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if (!IsEflObject(typeof(T)) && forceRef)
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{
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GCHandle gch = GCHandle.Alloc(new byte[Marshal.SizeOf<T>()], GCHandleType.Pinned);
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IntPtr pin = gch.AddrOfPinnedObject();
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ManagedToNativeCopyTo(value, pin);
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return GCHandle.ToIntPtr(gch);
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}
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else if (IsEflObject(typeof(T)) && forceRef)
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{
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GCHandle gch = GCHandle.Alloc(new byte[Marshal.SizeOf<IntPtr>()], GCHandleType.Pinned);
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IntPtr pin = gch.AddrOfPinnedObject();
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ManagedToNativeCopyTo(value, pin);
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return GCHandle.ToIntPtr(gch);
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}
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else
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{
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return ManagedToNativeAlloc(value);
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}
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}
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private static IntPtr GetNativePtr<T>(IntPtr gchptr, bool forceRef)
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{
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if (forceRef)
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{
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GCHandle gch = GCHandle.FromIntPtr(gchptr);
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IntPtr pin = gch.AddrOfPinnedObject();
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return pin;
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}
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else
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{
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return gchptr;
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}
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}
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private static void FreeNativeIndirection<T>(IntPtr gchptr, bool forceRef)
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{
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if (forceRef)
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{
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GCHandle gch = GCHandle.FromIntPtr(gchptr);
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gch.Free();
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}
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}
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private static IntPtr IndirectNative<T>(IntPtr ptr, bool forceRef)
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{
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if (forceRef)
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{
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IntPtr val = Marshal.ReadIntPtr(ptr);
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return val;
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}
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else
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{
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return ptr;
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}
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}
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public void Set(TKey key, TValue val)
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{
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IntPtr gchnk = CopyNativeObject(key, ForceRefKey<TKey>());
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IntPtr nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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IntPtr gchnv = CopyNativeObject(val, false);
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IntPtr nv = GetNativePtr<TValue>(gchnv, false);
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IntPtr old = eina_hash_set(Handle, nk, nv);
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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FreeNativeIndirection<TValue>(gchnv, false);
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if (OwnValue || old != IntPtr.Zero)
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{
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NativeFree<TValue>(old);
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}
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}
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public TValue this[TKey key]
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{
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get
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{
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return Find(key);
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}
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set
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{
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Set(key, value);
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}
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}
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public bool Move(TKey key_old, TKey key_new)
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{
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IntPtr gchnko = CopyNativeObject(key_old, ForceRefKey<TKey>());
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IntPtr nko = GetNativePtr<TKey>(gchnko, ForceRefKey<TKey>());
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IntPtr gchnk = CopyNativeObject(key_new, ForceRefKey<TKey>());
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IntPtr nk = GetNativePtr<TKey>(gchnk, ForceRefKey<TKey>());
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// var nk_old = ManagedToNativeAllocRef(key_old);
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// var nk_new = ManagedToNativeAllocRef(key_new, true);
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var r = eina_hash_move(Handle, nko, nk);
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FreeNativeIndirection<TKey>(gchnko, ForceRefKey<TKey>());
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FreeNativeIndirection<TKey>(gchnk, ForceRefKey<TKey>());
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// NativeFreeRef<TKey>(nk_old, OwnKey && r);
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// NativeFreeRef<TKey>(nk_new, !r);
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return r;
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}
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public void FreeBuckets()
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{
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eina_hash_free_buckets(Handle);
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}
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public int Population()
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{
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return eina_hash_population(Handle);
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}
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public Eina.Iterator<TKey> Keys()
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{
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return new Eina.Iterator<TKey>(EinaHashIteratorKeyNew<TKey>(Handle), true, false);
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}
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public Eina.Iterator<TValue> Values()
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{
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return new Eina.Iterator<TValue>(eina_hash_iterator_data_new(Handle), true, false);
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}
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public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()
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{
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IntPtr itr = eina_hash_iterator_tuple_new(Handle);
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try
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{
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for (IntPtr tuplePtr; eina_iterator_next(itr, out tuplePtr);)
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{
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var tuple = Marshal.PtrToStructure<Eina.HashTupleNative>(tuplePtr);
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IntPtr ikey = IndirectNative<TKey>(tuple.key, ForceRefKey<TKey>());
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var key = NativeToManaged<TKey>(ikey);
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var val = NativeToManaged<TValue>(tuple.data);
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yield return new KeyValuePair<TKey, TValue>(key, val);
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}
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}
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finally
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{
|
||
eina_iterator_free(itr);
|
||
}
|
||
}
|
||
|
||
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
|
||
{
|
||
return this.GetEnumerator();
|
||
}
|
||
}
|
||
|
||
}
|