Index: third_party/harfbuzz-ng/src/hb-ot-name-table.hh |
diff --git a/third_party/harfbuzz-ng/src/hb-ot-name-table.hh b/third_party/harfbuzz-ng/src/hb-ot-name-table.hh |
new file mode 100644 |
index 0000000000000000000000000000000000000000..0e9f7a419f658695c4544e3f4bce213caf6e1b5b |
--- /dev/null |
+++ b/third_party/harfbuzz-ng/src/hb-ot-name-table.hh |
@@ -0,0 +1,129 @@ |
+/* |
+ * Copyright © 2011 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): Behdad Esfahbod |
+ */ |
+ |
+#ifndef HB_OT_NAME_TABLE_HH |
+#define HB_OT_NAME_TABLE_HH |
+ |
+#include "hb-open-type-private.hh" |
+ |
+ |
+ |
+/* |
+ * name -- The Naming Table |
+ */ |
+ |
+#define HB_OT_TAG_name HB_TAG('n','a','m','e') |
+ |
+ |
+struct NameRecord |
+{ |
+ static int cmp (const NameRecord *a, const NameRecord *b) |
+ { |
+ int ret; |
+ ret = b->platformID.cmp (a->platformID); |
+ if (ret) return ret; |
+ ret = b->encodingID.cmp (a->encodingID); |
+ if (ret) return ret; |
+ ret = b->languageID.cmp (a->languageID); |
+ if (ret) return ret; |
+ ret = b->nameID.cmp (a->nameID); |
+ if (ret) return ret; |
+ return 0; |
+ } |
+ |
+ inline bool sanitize (hb_sanitize_context_t *c, void *base) { |
+ TRACE_SANITIZE (); |
+ /* We can check from base all the way up to the end of string... */ |
+ return c->check_struct (this) && |
+ c->check_range ((char *) base, (unsigned int) length + offset); |
+ } |
+ |
+ USHORT platformID; /* Platform ID. */ |
+ USHORT encodingID; /* Platform-specific encoding ID. */ |
+ USHORT languageID; /* Language ID. */ |
+ USHORT nameID; /* Name ID. */ |
+ USHORT length; /* String length (in bytes). */ |
+ USHORT offset; /* String offset from start of storage area (in bytes). */ |
+ public: |
+ DEFINE_SIZE_STATIC (12); |
+}; |
+ |
+struct name |
+{ |
+ static const hb_tag_t Tag = HB_OT_TAG_name; |
+ |
+ inline unsigned int get_name (unsigned int platform_id, |
+ unsigned int encoding_id, |
+ unsigned int language_id, |
+ unsigned int name_id, |
+ void *buffer, |
+ unsigned int buffer_length) const |
+ { |
+ NameRecord key; |
+ key.platformID.set (platform_id); |
+ key.encodingID.set (encoding_id); |
+ key.languageID.set (language_id); |
+ key.nameID.set (name_id); |
+ NameRecord *match = (NameRecord *) bsearch (&key, nameRecord, count, sizeof (nameRecord[0]), (hb_compare_func_t) NameRecord::cmp); |
+ |
+ if (!match) |
+ return 0; |
+ |
+ unsigned int length = MIN (buffer_length, (unsigned int) match->length); |
+ memcpy (buffer, (char *) this + stringOffset + match->offset, length); |
+ return length; |
+ } |
+ |
+ inline bool sanitize_records (hb_sanitize_context_t *c) { |
+ TRACE_SANITIZE (); |
+ char *string_pool = (char *) this + stringOffset; |
+ unsigned int _count = count; |
+ for (unsigned int i = 0; i < _count; i++) |
+ if (!nameRecord[i].sanitize (c, string_pool)) return false; |
+ return true; |
+ } |
+ |
+ inline bool sanitize (hb_sanitize_context_t *c) { |
+ TRACE_SANITIZE (); |
+ return c->check_struct (this) && |
+ likely (format == 0 || format == 1) && |
+ c->check_array (nameRecord, nameRecord[0].static_size, count) && |
+ sanitize_records (c); |
+ } |
+ |
+ /* We only implement format 0 for now. */ |
+ private: |
+ USHORT format; /* Format selector (=0/1). */ |
+ USHORT count; /* Number of name records. */ |
+ Offset stringOffset; /* Offset to start of string storage (from start of table). */ |
+ NameRecord nameRecord[VAR]; /* The name records where count is the number of records. */ |
+ public: |
+ DEFINE_SIZE_ARRAY (6, nameRecord); |
+}; |
+ |
+ |
+ |
+#endif /* HB_OT_NAME_TABLE_HH */ |