1/*
2 * Copyright (C) 2017 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#pragma once
26
27#if USE(HARFBUZZ)
28
29#include <hb.h>
30
31namespace WebCore {
32
33template<typename T>
34struct HbPtrDeleter {
35 void operator()(T* ptr) const = delete;
36};
37
38template<typename T>
39using HbUniquePtr = std::unique_ptr<T, HbPtrDeleter<T>>;
40
41template<> struct HbPtrDeleter<hb_font_t> {
42 void operator()(hb_font_t* ptr) const
43 {
44 hb_font_destroy(ptr);
45 }
46};
47
48template<> struct HbPtrDeleter<hb_buffer_t> {
49 void operator()(hb_buffer_t* ptr) const
50 {
51 hb_buffer_destroy(ptr);
52 }
53};
54
55template<> struct HbPtrDeleter<hb_face_t> {
56 void operator()(hb_face_t* ptr) const
57 {
58 hb_face_destroy(ptr);
59 }
60};
61
62} // namespace WebCore
63
64using WebCore::HbUniquePtr;
65
66#endif // USE(HARFBUZZ)
67