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-subset-input.hh" 37 #include "hb-subset-plan.hh" 38 39 struct hb_subset_context_t : 40 hb_dispatch_context_t<hb_subset_context_t, bool, HB_DEBUG_SUBSET> 41 { get_namehb_subset_context_t42 const char *get_name () { return "SUBSET"; } default_return_valuehb_subset_context_t43 static return_t default_return_value () { return true; } 44 45 private: 46 template <typename T, typename ...Ts> auto 47 _dispatch (const T &obj, hb_priority<1>, Ts&&... ds) HB_AUTO_RETURN 48 ( obj.subset (this, hb_forward<Ts> (ds)...) ) 49 template <typename T, typename ...Ts> auto 50 _dispatch (const T &obj, hb_priority<0>, Ts&&... ds) HB_AUTO_RETURN 51 ( obj.dispatch (this, hb_forward<Ts> (ds)...) ) 52 public: 53 template <typename T, typename ...Ts> auto 54 dispatch (const T &obj, Ts&&... ds) HB_AUTO_RETURN 55 ( _dispatch (obj, hb_prioritize, hb_forward<Ts> (ds)...) ) 56 57 hb_blob_t *source_blob; 58 hb_subset_plan_t *plan; 59 hb_serialize_context_t *serializer; 60 hb_tag_t table_tag; 61 hb_subset_context_thb_subset_context_t62 hb_subset_context_t (hb_blob_t *source_blob_, 63 hb_subset_plan_t *plan_, 64 hb_serialize_context_t *serializer_, 65 hb_tag_t table_tag_) : 66 source_blob (source_blob_), 67 plan (plan_), 68 serializer (serializer_), 69 table_tag (table_tag_) {} 70 }; 71 72 73 #endif /* HB_SUBSET_HH */ 74