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+/*
+ * Copyright © 2011,2012 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"
+
+
+namespace OT {
+
+
+/*
+ * 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, const void *base) const
+ {
+ TRACE_SANITIZE (this);
+ /* We can check from base all the way up to the end of string... */
+ return_trace (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 tableTag = 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 unsigned int get_size (void) const
+ { return min_size + count * nameRecord[0].min_size; }
+
+ inline bool sanitize_records (hb_sanitize_context_t *c) const {
+ TRACE_SANITIZE (this);
+ 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_trace (false);
+ return_trace (true);
+ }
+
+ inline 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 (nameRecord, nameRecord[0].static_size, count) &&
+ sanitize_records (c));
+ }
+
+ /* We only implement format 0 for now. */
+ 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);
+};
+
+
+} /* namespace OT */
+
+
+#endif /* HB_OT_NAME_TABLE_HH */