#ifndef HB_OT_NAME_TABLE_HH
#define HB_OT_NAME_TABLE_HH
-#include "hb-open-type.hh"
-#include "hb-ot-name-language.hh"
-#include "hb-aat-layout.hh"
-
-
-namespace OT {
-
-
-#define entry_score var.u16[0]
-#define entry_index var.u16[1]
-
-
-/*
- * name -- Naming
- * https://docs.microsoft.com/en-us/typography/opentype/spec/name
- */
-#define HB_OT_TAG_name HB_TAG('n','a','m','e')
-
-#define UNSUPPORTED 42
-
-struct NameRecord
-{
- hb_language_t language (hb_face_t *face) const
- {
-#ifndef HB_NO_OT_NAME_LANGUAGE
- unsigned int p = platformID;
- unsigned int l = languageID;
-
- if (p == 3)
- return _hb_ot_name_language_for_ms_code (l);
-
- if (p == 1)
- return _hb_ot_name_language_for_mac_code (l);
-
-#ifndef HB_NO_OT_NAME_LANGUAGE_AAT
- if (p == 0)
- return face->table.ltag->get_language (l);
-#endif
-
-#endif
- return HB_LANGUAGE_INVALID;
- }
-
- uint16_t score () const
- {
- /* Same order as in cmap::find_best_subtable(). */
- unsigned int p = platformID;
- unsigned int e = encodingID;
-
- /* 32-bit. */
- if (p == 3 && e == 10) return 0;
- if (p == 0 && e == 6) return 1;
- if (p == 0 && e == 4) return 2;
-
- /* 16-bit. */
- if (p == 3 && e == 1) return 3;
- if (p == 0 && e == 3) return 4;
- if (p == 0 && e == 2) return 5;
- if (p == 0 && e == 1) return 6;
- if (p == 0 && e == 0) return 7;
-
- /* Symbol. */
- if (p == 3 && e == 0) return 8;
-
- /* We treat all Mac Latin names as ASCII only. */
- if (p == 1 && e == 0) return 10; /* 10 is magic number :| */
-
- return UNSUPPORTED;
- }
-
- NameRecord* copy (hb_serialize_context_t *c, const void *base) const
- {
- TRACE_SERIALIZE (this);
- auto *out = c->embed (this);
- if (unlikely (!out)) return_trace (nullptr);
- out->offset.serialize_copy (c, offset, base, 0, hb_serialize_context_t::Tail, length);
- return_trace (out);
- }
-
- bool isUnicode () const
- {
- unsigned int p = platformID;
- unsigned int e = encodingID;
-
- return (p == 0 ||
- (p == 3 && (e == 0 || e == 1 || e == 10)));
- }
-
- static int cmp (const void *pa, const void *pb)
- {
- const NameRecord *a = (const NameRecord *)pa;
- const NameRecord *b = (const NameRecord *)pb;
-
- if (a->platformID != b->platformID)
- return a->platformID - b->platformID;
-
- if (a->encodingID != b->encodingID)
- return a->encodingID - b->encodingID;
-
- if (a->languageID != b->languageID)
- return a->languageID - b->languageID;
-
- if (a->nameID != b->nameID)
- return a->nameID - b->nameID;
-
- if (a->length != b->length)
- return a->length - b->length;
-
- return 0;
- }
-
- bool sanitize (hb_sanitize_context_t *c, const void *base) const
- {
- TRACE_SANITIZE (this);
- return_trace (c->check_struct (this) && offset.sanitize (c, base, length));
- }
-
- HBUINT16 platformID; /* Platform ID. */
- HBUINT16 encodingID; /* Platform-specific encoding ID. */
- HBUINT16 languageID; /* Language ID. */
- HBUINT16 nameID; /* Name ID. */
- HBUINT16 length; /* String length (in bytes). */
- NNOffset16To<UnsizedArrayOf<HBUINT8>>
- offset; /* String offset from start of storage area (in bytes). */
- public:
- DEFINE_SIZE_STATIC (12);
-};
-
-static int
-_hb_ot_name_entry_cmp_key (const void *pa, const void *pb)
-{
- const hb_ot_name_entry_t *a = (const hb_ot_name_entry_t *) pa;
- const hb_ot_name_entry_t *b = (const hb_ot_name_entry_t *) pb;
-
- /* Compare by name_id, then language. */
-
- if (a->name_id != b->name_id)
- return a->name_id - b->name_id;
-
- if (a->language == b->language) return 0;
- if (!a->language) return -1;
- if (!b->language) return +1;
- return strcmp (hb_language_to_string (a->language),
- hb_language_to_string (b->language));
-}
-
-static int
-_hb_ot_name_entry_cmp (const void *pa, const void *pb)
-{
- /* Compare by name_id, then language, then score, then index. */
-
- int v = _hb_ot_name_entry_cmp_key (pa, pb);
- if (v)
- return v;
-
- const hb_ot_name_entry_t *a = (const hb_ot_name_entry_t *) pa;
- const hb_ot_name_entry_t *b = (const hb_ot_name_entry_t *) pb;
-
- if (a->entry_score != b->entry_score)
- return a->entry_score - b->entry_score;
-
- if (a->entry_index != b->entry_index)
- return a->entry_index - b->entry_index;
-
- return 0;
-}
-
-struct name
-{
- static constexpr hb_tag_t tableTag = HB_OT_TAG_name;
-
- unsigned int get_size () const
- { return min_size + count * nameRecordZ.item_size; }
-
- template <typename Iterator,
- hb_requires (hb_is_source_of (Iterator, const NameRecord &))>
- bool serialize (hb_serialize_context_t *c,
- Iterator it,
- const void *src_string_pool)
- {
- TRACE_SERIALIZE (this);
-
- if (unlikely (!c->extend_min ((*this)))) return_trace (false);
-
- this->format = 0;
- this->count = it.len ();
-
- NameRecord *name_records = (NameRecord *) hb_calloc (it.len (), NameRecord::static_size);
- if (unlikely (!name_records)) return_trace (false);
-
- hb_array_t<NameRecord> records (name_records, it.len ());
-
- for (const NameRecord& record : it)
- {
- memcpy (name_records, &record, NameRecord::static_size);
- name_records++;
- }
-
- records.qsort ();
-
- c->copy_all (records, src_string_pool);
- hb_free (records.arrayZ);
-
-
- if (unlikely (c->ran_out_of_room ())) return_trace (false);
-
- this->stringOffset = c->length ();
-
- return_trace (true);
- }
-
- bool subset (hb_subset_context_t *c) const
- {
- TRACE_SUBSET (this);
-
- name *name_prime = c->serializer->start_embed<name> ();
- if (unlikely (!name_prime)) return_trace (false);
-
- auto it =
- + nameRecordZ.as_array (count)
- | hb_filter (c->plan->name_ids, &NameRecord::nameID)
- | hb_filter (c->plan->name_languages, &NameRecord::languageID)
- | hb_filter ([&] (const NameRecord& namerecord) {
- return
- (c->plan->flags & HB_SUBSET_FLAGS_NAME_LEGACY)
- || namerecord.isUnicode ();
- })
- ;
-
- name_prime->serialize (c->serializer, it, std::addressof (this + stringOffset));
- return_trace (name_prime->count);
- }
-
- bool sanitize_records (hb_sanitize_context_t *c) const
- {
- TRACE_SANITIZE (this);
- const void *string_pool = (this+stringOffset).arrayZ;
- return_trace (nameRecordZ.sanitize (c, count, string_pool));
- }
-
- bool sanitize (hb_sanitize_context_t *c) const
- {
- TRACE_SANITIZE (this);
- return_trace (c->check_struct (this) &&
- likely (format == 0 || format == 1) &&
- c->check_array (nameRecordZ.arrayZ, count) &&
- c->check_range (this, stringOffset) &&
- sanitize_records (c));
- }
-
- struct accelerator_t
- {
- accelerator_t (hb_face_t *face)
- {
- this->table = hb_sanitize_context_t ().reference_table<name> (face);
- assert (this->table.get_length () >= this->table->stringOffset);
- this->pool = (const char *) (const void *) (this->table+this->table->stringOffset);
- this->pool_len = this->table.get_length () - this->table->stringOffset;
- const hb_array_t<const NameRecord> all_names (this->table->nameRecordZ.arrayZ,
- this->table->count);
-
- this->names.alloc (all_names.length);
-
- for (unsigned int i = 0; i < all_names.length; i++)
- {
- hb_ot_name_entry_t *entry = this->names.push ();
-
- entry->name_id = all_names[i].nameID;
- entry->language = all_names[i].language (face);
- entry->entry_score = all_names[i].score ();
- entry->entry_index = i;
- }
-
- this->names.qsort (_hb_ot_name_entry_cmp);
- /* Walk and pick best only for each name_id,language pair,
- * while dropping unsupported encodings. */
- unsigned int j = 0;
- for (unsigned int i = 0; i < this->names.length; i++)
- {
- if (this->names[i].entry_score == UNSUPPORTED ||
- this->names[i].language == HB_LANGUAGE_INVALID)
- continue;
- if (i &&
- this->names[i - 1].name_id == this->names[i].name_id &&
- this->names[i - 1].language == this->names[i].language)
- continue;
- this->names[j++] = this->names[i];
- }
- this->names.resize (j);
- }
- ~accelerator_t ()
- {
- this->table.destroy ();
- }
-
- int get_index (hb_ot_name_id_t name_id,
- hb_language_t language,
- unsigned int *width=nullptr) const
- {
- const hb_ot_name_entry_t key = {name_id, {0}, language};
- const hb_ot_name_entry_t *entry = hb_bsearch (key, (const hb_ot_name_entry_t *) this->names,
- this->names.length,
- sizeof (hb_ot_name_entry_t),
- _hb_ot_name_entry_cmp_key);
- if (!entry)
- return -1;
-
- if (width)
- *width = entry->entry_score < 10 ? 2 : 1;
-
- return entry->entry_index;
- }
-
- hb_bytes_t get_name (unsigned int idx) const
- {
- const hb_array_t<const NameRecord> all_names (table->nameRecordZ.arrayZ, table->count);
- const NameRecord &record = all_names[idx];
- const hb_bytes_t string_pool (pool, pool_len);
- return string_pool.sub_array (record.offset, record.length);
- }
-
- private:
- const char *pool;
- unsigned int pool_len;
- public:
- hb_blob_ptr_t<name> table;
- hb_vector_t<hb_ot_name_entry_t> names;
- };
-
- /* We only implement format 0 for now. */
- HBUINT16 format; /* Format selector (=0/1). */
- HBUINT16 count; /* Number of name records. */
- NNOffset16To<UnsizedArrayOf<HBUINT8>>
- stringOffset; /* Offset to start of string storage (from start of table). */
- UnsizedArrayOf<NameRecord>
- nameRecordZ; /* The name records where count is the number of records. */
- public:
- DEFINE_SIZE_ARRAY (6, nameRecordZ);
-};
-
-#undef entry_index
-#undef entry_score
-
-struct name_accelerator_t : name::accelerator_t {
- name_accelerator_t (hb_face_t *face) : name::accelerator_t (face) {}
-};
-
-} /* namespace OT */
-
+#include "OT/name/name.hh"
#endif /* HB_OT_NAME_TABLE_HH */
projects / platform / upstream / harfbuzz.git / blobdiff