/src/harfbuzz/src/hb-subset.hh
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1 | | /* |
2 | | * Copyright © 2018 Google, Inc. |
3 | | * |
4 | | * This is part of HarfBuzz, a text shaping library. |
5 | | * |
6 | | * Permission is hereby granted, without written agreement and without |
7 | | * license or royalty fees, to use, copy, modify, and distribute this |
8 | | * software and its documentation for any purpose, provided that the |
9 | | * above copyright notice and the following two paragraphs appear in |
10 | | * all copies of this software. |
11 | | * |
12 | | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
13 | | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
14 | | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
15 | | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
16 | | * DAMAGE. |
17 | | * |
18 | | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
19 | | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
20 | | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
21 | | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
22 | | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
23 | | * |
24 | | * Google Author(s): Garret Rieger, Roderick Sheeter |
25 | | */ |
26 | | |
27 | | #ifndef HB_SUBSET_HH |
28 | | #define HB_SUBSET_HH |
29 | | |
30 | | |
31 | | #include "hb.hh" |
32 | | |
33 | | #include "hb-subset.h" |
34 | | |
35 | | #include "hb-machinery.hh" |
36 | | #include "hb-serialize.hh" |
37 | | #include "hb-subset-input.hh" |
38 | | #include "hb-subset-plan.hh" |
39 | | |
40 | | struct hb_subset_context_t : |
41 | | hb_dispatch_context_t<hb_subset_context_t, bool, HB_DEBUG_SUBSET> |
42 | | { |
43 | 0 | const char *get_name () { return "SUBSET"; } |
44 | 0 | static return_t default_return_value () { return true; } |
45 | | |
46 | | private: |
47 | | template <typename T, typename ...Ts> auto |
48 | | _dispatch (const T &obj, hb_priority<1>, Ts&&... ds) HB_AUTO_RETURN |
49 | | ( obj.subset (this, std::forward<Ts> (ds)...) ) |
50 | | template <typename T, typename ...Ts> auto |
51 | | _dispatch (const T &obj, hb_priority<0>, Ts&&... ds) HB_AUTO_RETURN |
52 | | ( obj.dispatch (this, std::forward<Ts> (ds)...) ) |
53 | | public: |
54 | | template <typename T, typename ...Ts> auto |
55 | | dispatch (const T &obj, Ts&&... ds) HB_AUTO_RETURN |
56 | | ( _dispatch (obj, hb_prioritize, std::forward<Ts> (ds)...) ) |
57 | | |
58 | | hb_blob_t *source_blob; |
59 | | hb_subset_plan_t *plan; |
60 | | hb_serialize_context_t *serializer; |
61 | | hb_tag_t table_tag; |
62 | | |
63 | | hb_subset_context_t (hb_blob_t *source_blob_, |
64 | | hb_subset_plan_t *plan_, |
65 | | hb_serialize_context_t *serializer_, |
66 | | hb_tag_t table_tag_) : |
67 | | source_blob (source_blob_), |
68 | | plan (plan_), |
69 | | serializer (serializer_), |
70 | 0 | table_tag (table_tag_) {} |
71 | | }; |
72 | | |
73 | | |
74 | | #endif /* HB_SUBSET_HH */ |