1  /****************************************************************************
       2   *
       3   * ftotval.c
       4   *
       5   *   FreeType API for validating OpenType tables (body).
       6   *
       7   * Copyright (C) 2004-2023 by
       8   * David Turner, Robert Wilhelm, and Werner Lemberg.
       9   *
      10   * This file is part of the FreeType project, and may only be used,
      11   * modified, and distributed under the terms of the FreeType project
      12   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
      13   * this file you indicate that you have read the license and
      14   * understand and accept it fully.
      15   *
      16   */
      17  
      18  #include <freetype/internal/ftdebug.h>
      19  
      20  #include <freetype/internal/ftobjs.h>
      21  #include <freetype/internal/services/svotval.h>
      22  #include <freetype/ftotval.h>
      23  
      24  
      25    /* documentation is in ftotval.h */
      26  
      27    FT_EXPORT_DEF( FT_Error )
      28    FT_OpenType_Validate( FT_Face    face,
      29                          FT_UInt    validation_flags,
      30                          FT_Bytes  *BASE_table,
      31                          FT_Bytes  *GDEF_table,
      32                          FT_Bytes  *GPOS_table,
      33                          FT_Bytes  *GSUB_table,
      34                          FT_Bytes  *JSTF_table )
      35    {
      36      FT_Service_OTvalidate  service;
      37      FT_Error               error;
      38  
      39  
      40      if ( !face )
      41      {
      42        error = FT_THROW( Invalid_Face_Handle );
      43        goto Exit;
      44      }
      45  
      46      if ( !( BASE_table &&
      47              GDEF_table &&
      48              GPOS_table &&
      49              GSUB_table &&
      50              JSTF_table ) )
      51      {
      52        error = FT_THROW( Invalid_Argument );
      53        goto Exit;
      54      }
      55  
      56      FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE );
      57  
      58      if ( service )
      59        error = service->validate( face,
      60                                   validation_flags,
      61                                   BASE_table,
      62                                   GDEF_table,
      63                                   GPOS_table,
      64                                   GSUB_table,
      65                                   JSTF_table );
      66      else
      67        error = FT_THROW( Unimplemented_Feature );
      68  
      69    Exit:
      70      return error;
      71    }
      72  
      73  
      74    FT_EXPORT_DEF( void )
      75    FT_OpenType_Free( FT_Face   face,
      76                      FT_Bytes  table )
      77    {
      78      FT_Memory  memory;
      79  
      80  
      81      if ( !face )
      82        return;
      83  
      84      memory = FT_FACE_MEMORY( face );
      85  
      86      FT_FREE( table );
      87    }
      88  
      89  
      90  /* END */