kc3-lang/harfbuzz/src/hb-ot-name-table.hh

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• Hash : ec8d2494
  Author :
  Date : 2012-07-24T15:40:37
  

  Make data members of various OpenType structs protected instead of private
  
  Should fix warnings generated when building with -Wunused-private-field.
  Based on patch from Jonathan Kew.
  

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• src/hb-ot-name-table.hh

• /*
   * 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"
  
  
  
  /*
   * 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 TRACE_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 TRACE_RETURN (false);
      return TRACE_RETURN (true);
    }
  
    inline bool sanitize (hb_sanitize_context_t *c) {
      TRACE_SANITIZE ();
      return TRACE_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. */
    protected:
    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 */
  

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