text: /***************************************************************************/
  /*                                                                         */
  /*  gxvmorx0.c                                                             */
  /*                                                                         */
  /*    TrueTypeGX/AAT morx table validation                                 */
  /*    body for type0 (Indic Script Rearrangement) subtable.                */
  /*                                                                         */
  /*  Copyright 2005-2017 by                                                 */
  /*  suzuki toshiya, Masatake YAMATO, Red Hat K.K.,                         */
  /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  /*                                                                         */
  /*  This file is part of the FreeType project, and may only be used,       */
  /*  modified, and distributed under the terms of the FreeType project      */
  /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  /*  this file you indicate that you have read the license and              */
  /*  understand and accept it fully.                                        */
  /*                                                                         */
  /***************************************************************************/
  
  /***************************************************************************/
  /*                                                                         */
  /* gxvalid is derived from both gxlayout module and otvalid module.        */
  /* Development of gxlayout is supported by the Information-technology      */
  /* Promotion Agency(IPA), Japan.                                           */
  /*                                                                         */
  /***************************************************************************/
  
  
  #include "gxvmorx.h"
  
  
    /*************************************************************************/
    /*                                                                       */
    /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
    /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
    /* messages during execution.                                            */
    /*                                                                       */
  #undef  FT_COMPONENT
  #define FT_COMPONENT  trace_gxvmorx
  
  
    static void
    gxv_morx_subtable_type0_entry_validate(
      FT_UShort                        state,
      FT_UShort                        flags,
      GXV_XStateTable_GlyphOffsetCPtr  glyphOffset_p,
      FT_Bytes                         table,
      FT_Bytes                         limit,
      GXV_Validator                    gxvalid )
    {
  #ifdef GXV_LOAD_UNUSED_VARS
      FT_UShort  markFirst;
      FT_UShort  dontAdvance;
      FT_UShort  markLast;
  #endif
      FT_UShort  reserved;
  #ifdef GXV_LOAD_UNUSED_VARS
      FT_UShort  verb;
  #endif
  
      FT_UNUSED( state );
      FT_UNUSED( glyphOffset_p );
      FT_UNUSED( table );
      FT_UNUSED( limit );
  
  
  #ifdef GXV_LOAD_UNUSED_VARS
      markFirst   = (FT_UShort)( ( flags >> 15 ) & 1 );
      dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
      markLast    = (FT_UShort)( ( flags >> 13 ) & 1 );
  #endif
  
      reserved = (FT_UShort)( flags & 0x1FF0 );
  #ifdef GXV_LOAD_UNUSED_VARS
      verb     = (FT_UShort)( flags & 0x000F );
  #endif
  
      if ( 0 < reserved )
      {
        GXV_TRACE(( " non-zero bits found in reserved range\n" ));
        FT_INVALID_DATA;
      }
    }
  
  
    FT_LOCAL_DEF( void )
    gxv_morx_subtable_type0_validate( FT_Bytes       table,
                                      FT_Bytes       limit,
                                      GXV_Validator  gxvalid )
    {
      FT_Bytes  p = table;
  
  
      GXV_NAME_ENTER(
        "morx chain subtable type0 (Indic-Script Rearrangement)" );
  
      GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );
  
      gxvalid->xstatetable.optdata               = NULL;
      gxvalid->xstatetable.optdata_load_func     = NULL;
      gxvalid->xstatetable.subtable_setup_func   = NULL;
      gxvalid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
      gxvalid->xstatetable.entry_validate_func =
        gxv_morx_subtable_type0_entry_validate;
  
      gxv_XStateTable_validate( p, limit, gxvalid );
  
      GXV_EXIT;
    }
  
  
  /* END */
  