Add m-esr52 at 52.6.0

1 files changed, 136 insertions, 0 deletions

diff --git a/gfx/harfbuzz/src/hb-ot-name-table.hh b/gfx/harfbuzz/src/hb-ot-name-table.hh
new file mode 100644
index 000000000..870f12332
--- /dev/null
+++ b/gfx/harfbuzz/src/hb-ot-name-table.hh
@@ -0,0 +1,136 @@
+/*
+ * 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 */