#include "otljstf.h"#include "otlcommn.h"#include "otlgpos.h"   static void  otl_jstf_extender_validate( OTL_Bytes      table,                              OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count;     OTL_CHECK( 2 );     count = OTL_NEXT_USHORT( p );     OTL_CHECK( count*2 );  }    static void  otl_jstf_gsub_mods_validate( OTL_Bytes      table,                               OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count;     OTL_CHECK( 2 );    count = OTL_NEXT_USHORT( p );    OTL_CHECK( count*2 );     /* XXX: check GSUB lookup indices */  }    static void  otl_jstf_gpos_mods_validate( OTL_Bytes      table,                               OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count;     OTL_CHECK( 2 );    count = OTL_NEXT_USHORT( p );    OTL_CHECK( count*2 );     /* XXX: check GPOS lookup indices */  }    static void  otl_jstf_max_validate( OTL_Bytes      table,                         OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count;     OTL_CHECK( 2 );     count = OTL_NEXT_USHORT( p );     OTL_CHECK( count*2 );    for ( ; count > 0; count-- )      otl_gpos_subtable_check( table + OTL_NEXT_USHORT( p ), valid );  }    static void  otl_jstf_priority_validate( OTL_Bytes      table,                              OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   offset;     OTL_CHECK( 20 );     /* shrinkage GSUB enable/disable */    val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gsub_mods_validate( table + val, valid );     val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gsub_mods_validate( table + val, valid );     /* shrinkage GPOS enable/disable */    val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gpos_mods_validate( table + val, valid );     val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gpos_mods_validate( table + val, valid );     /* shrinkage JSTF max */    val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_max_validate( table + val, valid );     /* extension GSUB enable/disable */    val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gsub_mods_validate( table + val, valid );     val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gsub_mods_validate( table + val, valid );     /* extension GPOS enable/disable */    val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gpos_mods_validate( table + val, valid );     val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_gpos_mods_validate( table + val, valid );     /* extension JSTF max */    val = OTL_NEXT_USHORT( p );    if ( val )      otl_jstf_max_validate( table + val, valid );  }   static void  otl_jstf_lang_validate( OTL_Bytes      table,                          OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count;     OTL_CHECK( 2 );     count = OTL_NEXT_USHORT( p );     OTL_CHECK( count*2 );    for ( ; count > 0; count-- )      otl_jstf_priority_validate( table + OTL_NEXT_USHORT( p ), valid );  }    static void  otl_jstf_script_validate( OTL_Bytes      table,                            OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count, extender, default_lang;     OTL_CHECK( 6 );    extender     = OTL_NEXT_USHORT( p );    default_lang = OTL_NEXT_USHORT( p );    count        = OTL_NEXT_USHORT( p );     if ( extender )      otl_jstf_extender_validate( table + extender, valid );     if ( default_lang )      otl_jstf_lang_validate( table + default_lang, valid );     OTL_CHECK( 6*count );     for ( ; count > 0; count-- )    {      p += 4;  /* ignore tag */      otl_jstf_lang_validate( table + OTL_NEXT_USHORT( p ), valid );    }  }    OTL_LOCALDEF( void )  otl_jstf_validate( OTL_Bytes      table,                     OTL_Validator  valid )  {    OTL_Bytes  p = table;    OTL_UInt   count;     OTL_CHECK( 4 );     if ( OTL_NEXT_ULONG( p ) != 0x10000UL )      OTL_INVALID_DATA;     count = OTL_NEXT_USHORT( p );    OTL_CHECK( count*6 );     for ( ; count > 0; count++ )    {      p += 4;  /* ignore tag */      otl_jstf_script_validate( table + OTL_NEXT_USHORT( p ), valid );    }  }