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macos/foundation: number, dict get value

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This commit is contained in:
Mitchell Hashimoto
2022-10-01 15:49:05 -07:00
parent 3eeef74315
commit 7eb466959a
4 changed files with 104 additions and 27 deletions
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48
pkg/macos/foundation/dictionary.zig
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@@ -2,11 +2,12 @@ const std = @import("std");
const assert = std.debug.assert;
const Allocator = std.mem.Allocator;
const foundation = @import("../foundation.zig");
const c = @import("c.zig");
pub const Dictionary = opaque {
pub fn create(
keys: ?[]*const anyopaque,
values: ?[]*const anyopaque,
keys: ?[]?*const anyopaque,
values: ?[]?*const anyopaque,
) Allocator.Error!*Dictionary {
if (keys != null or values != null) {
assert(keys != null);
@@ -14,14 +15,14 @@ pub const Dictionary = opaque {
assert(keys.?.len == values.?.len);
}
return CFDictionaryCreate(
return @intToPtr(?*Dictionary, @ptrToInt(c.CFDictionaryCreate(
null,
if (keys) |slice| slice.ptr else null,
if (values) |slice| slice.ptr else null,
if (keys) |slice| slice.len else 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks,
) orelse Allocator.Error.OutOfMemory;
@ptrCast([*c]?*const anyopaque, if (keys) |slice| slice.ptr else null),
@ptrCast([*c]?*const anyopaque, if (values) |slice| slice.ptr else null),
@intCast(c.CFIndex, if (keys) |slice| slice.len else 0),
&c.kCFTypeDictionaryKeyCallBacks,
&c.kCFTypeDictionaryValueCallBacks,
))) orelse Allocator.Error.OutOfMemory;
}
pub fn release(self: *Dictionary) void {
@@ -29,36 +30,29 @@ pub const Dictionary = opaque {
}
pub fn getCount(self: *Dictionary) usize {
return CFDictionaryGetCount(self);
return @intCast(usize, c.CFDictionaryGetCount(@ptrCast(c.CFDictionaryRef, self)));
}
pub extern "c" fn CFDictionaryCreate(
allocator: ?*anyopaque,
keys: ?[*]*const anyopaque,
values: ?[*]*const anyopaque,
num_values: usize,
key_callbacks: *const anyopaque,
value_callbacks: *const anyopaque,
) ?*Dictionary;
pub extern "c" fn CFDictionaryGetCount(*Dictionary) usize;
extern "c" var kCFTypeDictionaryKeyCallBacks: anyopaque;
extern "c" var kCFTypeDictionaryValueCallBacks: anyopaque;
pub fn getValue(self: *Dictionary, comptime V: type, key: ?*const anyopaque) ?*V {
return @intToPtr(?*V, @ptrToInt(c.CFDictionaryGetValue(
@ptrCast(c.CFDictionaryRef, self),
key,
)));
}
};
// Just used for a test
extern "c" var kCFURLIsPurgeableKey: *const anyopaque;
test "dictionary" {
const testing = std.testing;
const str = try foundation.String.createWithBytes("hello", .unicode, false);
defer str.release();
var keys = [_]*const anyopaque{kCFURLIsPurgeableKey};
var values = [_]*const anyopaque{str};
var keys = [_]?*const anyopaque{c.kCFURLIsPurgeableKey};
var values = [_]?*const anyopaque{str};
const dict = try Dictionary.create(&keys, &values);
defer dict.release();
try testing.expectEqual(@as(usize, 1), dict.getCount());
try testing.expect(dict.getValue(foundation.String, c.kCFURLIsPurgeableKey) != null);
try testing.expect(dict.getValue(foundation.String, c.kCFURLIsVolumeKey) == null);
}