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+/*
+ * Copyright © 2018 Google, Inc.
+ *
+ * This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger, Roderick Sheeter
+ */
+
+#ifndef HB_SUBSET_INPUT_HH
+#define HB_SUBSET_INPUT_HH
+
+
+#include "hb.hh"
+
+#include "hb-subset.h"
+#include "hb-map.hh"
+#include "hb-set.hh"
+#include "hb-cplusplus.hh"
+#include "hb-font.hh"
+
+struct hb_ot_name_record_ids_t
+{
+ hb_ot_name_record_ids_t () = default;
+ hb_ot_name_record_ids_t (unsigned platform_id_,
+ unsigned encoding_id_,
+ unsigned language_id_,
+ unsigned name_id_)
+ :platform_id (platform_id_),
+ encoding_id (encoding_id_),
+ language_id (language_id_),
+ name_id (name_id_) {}
+
+ bool operator != (const hb_ot_name_record_ids_t o) const
+ { return !(*this == o); }
+
+ inline bool operator == (const hb_ot_name_record_ids_t& o) const
+ {
+ return platform_id == o.platform_id &&
+ encoding_id == o.encoding_id &&
+ language_id == o.language_id &&
+ name_id == o.name_id;
+ }
+
+ inline uint32_t hash () const
+ {
+ uint32_t current = 0;
+ current = current * 31 + hb_hash (platform_id);
+ current = current * 31 + hb_hash (encoding_id);
+ current = current * 31 + hb_hash (language_id);
+ current = current * 31 + hb_hash (name_id);
+ return current;
+ }
+
+ unsigned platform_id;
+ unsigned encoding_id;
+ unsigned language_id;
+ unsigned name_id;
+};
+
+typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
+
+
+HB_MARK_AS_FLAG_T (hb_subset_flags_t);
+
+struct hb_subset_input_t
+{
+ HB_INTERNAL hb_subset_input_t ();
+
+ ~hb_subset_input_t ()
+ {
+ sets.~sets_t ();
+
+#ifdef HB_EXPERIMENTAL_API
+ for (auto _ : name_table_overrides.values ())
+ _.fini ();
+#endif
+ }
+
+ hb_object_header_t header;
+
+ struct sets_t {
+ hb::shared_ptr<hb_set_t> glyphs;
+ hb::shared_ptr<hb_set_t> unicodes;
+ hb::shared_ptr<hb_set_t> no_subset_tables;
+ hb::shared_ptr<hb_set_t> drop_tables;
+ hb::shared_ptr<hb_set_t> name_ids;
+ hb::shared_ptr<hb_set_t> name_languages;
+ hb::shared_ptr<hb_set_t> layout_features;
+ hb::shared_ptr<hb_set_t> layout_scripts;
+ };
+
+ union {
+ sets_t sets;
+ hb::shared_ptr<hb_set_t> set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)];
+ };
+
+ unsigned flags;
+ bool attach_accelerator_data = false;
+
+ // If set loca format will always be the long version.
+ bool force_long_loca = false;
+
+ hb_hashmap_t<hb_tag_t, float> axes_location;
+ hb_map_t glyph_map;
+#ifdef HB_EXPERIMENTAL_API
+ hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> name_table_overrides;
+#endif
+
+ inline unsigned num_sets () const
+ {
+ return sizeof (set_ptrs) / sizeof (hb_set_t*);
+ }
+
+ inline hb_array_t<hb::shared_ptr<hb_set_t>> sets_iter ()
+ {
+ return hb_array (set_ptrs);
+ }
+
+ bool in_error () const
+ {
+ for (unsigned i = 0; i < num_sets (); i++)
+ {
+ if (unlikely (set_ptrs[i]->in_error ()))
+ return true;
+ }
+
+ return axes_location.in_error ()
+#ifdef HB_EXPERIMENTAL_API
+ || name_table_overrides.in_error ()
+#endif
+ ;
+ }
+};
+
+
+#endif /* HB_SUBSET_INPUT_HH */