static void
gxv_just_justClassTable_validate ( FT_Bytes table,
FT_Bytes limit,
GXV_Validator valid )
{
FT_Bytes p = table;
FT_UShort length;
FT_UShort coverage;
FT_ULong subFeatureFlags;
GXV_NAME_ENTER( "just justClassTable" );
GXV_LIMIT_CHECK( 2 + 2 + 4 );
length = FT_NEXT_USHORT( p );
coverage = FT_NEXT_USHORT( p );
subFeatureFlags = FT_NEXT_ULONG( p );
GXV_TRACE(( " justClassTable: coverage = 0x%04x (%s)",
coverage,
( 0x4000 & coverage ) == 0 ? "ascending" : "descending" ));
valid->statetable.optdata = NULL;
valid->statetable.optdata_load_func = NULL;
valid->statetable.subtable_setup_func = NULL;
valid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
valid->statetable.entry_validate_func =
gxv_just_classTable_entry_validate;
gxv_StateTable_validate( p, table + length, valid );
/* subtable_length is set by gxv_LookupTable_validate() */
GXV_EXIT;
}
static void
gxv_kern_subtable_fmt1_validate( FT_Bytes table,
FT_Bytes limit,
GXV_Validator gxvalid )
{
FT_Bytes p = table;
GXV_kern_fmt1_StateOptRec vt_rec;
GXV_NAME_ENTER( "kern subtable format 1" );
gxvalid->statetable.optdata =
&vt_rec;
gxvalid->statetable.optdata_load_func =
gxv_kern_subtable_fmt1_valueTable_load;
gxvalid->statetable.subtable_setup_func =
gxv_kern_subtable_fmt1_subtable_setup;
gxvalid->statetable.entry_glyphoffset_fmt =
GXV_GLYPHOFFSET_NONE;
gxvalid->statetable.entry_validate_func =
gxv_kern_subtable_fmt1_entry_validate;
gxv_StateTable_validate( p, limit, gxvalid );
GXV_EXIT;
}
gxv_mort_subtable_type2_validate(FT_Bytes table,
FT_Bytes limit,
GXV_Validator gxvalid)
{
FT_Bytes p = table;
GXV_mort_subtable_type2_StateOptRec lig_rec;
GXV_NAME_ENTER("mort chain subtable type2 (Ligature Substitution)");
GXV_LIMIT_CHECK(GXV_MORT_SUBTABLE_TYPE2_HEADER_SIZE);
gxvalid->statetable.optdata =
&lig_rec;
gxvalid->statetable.optdata_load_func =
gxv_mort_subtable_type2_opttable_load;
gxvalid->statetable.subtable_setup_func =
gxv_mort_subtable_type2_subtable_setup;
gxvalid->statetable.entry_glyphoffset_fmt =
GXV_GLYPHOFFSET_NONE;
gxvalid->statetable.entry_validate_func =
gxv_mort_subtable_type2_entry_validate;
gxv_StateTable_validate(p, limit, gxvalid);
p += gxvalid->subtable_length;
gxv_mort_subtable_type2_ligatureTable_validate(table, gxvalid);
gxvalid->subtable_length = (FT_ULong)(p - table);
GXV_EXIT;
}
gxv_mort_subtable_type5_validate( FT_Bytes table,
FT_Bytes limit,
GXV_Validator gxvalid )
{
FT_Bytes p = table;
GXV_mort_subtable_type5_StateOptRec et_rec;
GXV_mort_subtable_type5_StateOptRecData et = &et_rec;
GXV_NAME_ENTER( "mort chain subtable type5 (Glyph Insertion)" );
GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE5_HEADER_SIZE );
gxvalid->statetable.optdata =
et;
gxvalid->statetable.optdata_load_func =
NULL;
gxvalid->statetable.subtable_setup_func =
gxv_mort_subtable_type5_subtable_setup;
gxvalid->statetable.entry_glyphoffset_fmt =
GXV_GLYPHOFFSET_ULONG;
gxvalid->statetable.entry_validate_func =
gxv_mort_subtable_type5_entry_validate;
gxv_StateTable_validate( p, limit, gxvalid );
GXV_EXIT;
}
gxv_mort_subtable_type1_validate( FT_Bytes table,
FT_Bytes limit,
GXV_Validator valid )
{
FT_Bytes p = table;
GXV_mort_subtable_type1_StateOptRec st_rec;
GXV_NAME_ENTER( "mort chain subtable type1 (Contextual Glyph Subst)" );
GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE );
valid->statetable.optdata =
&st_rec;
valid->statetable.optdata_load_func =
gxv_mort_subtable_type1_substitutionTable_load;
valid->statetable.subtable_setup_func =
gxv_mort_subtable_type1_subtable_setup;
valid->statetable.entry_glyphoffset_fmt =
GXV_GLYPHOFFSET_ULONG;
valid->statetable.entry_validate_func =
gxv_mort_subtable_type1_entry_validate;
gxv_StateTable_validate( p, limit, valid );
gxv_mort_subtable_type1_substTable_validate(
table + st_rec.substitutionTable,
table + st_rec.substitutionTable + st_rec.substitutionTable_length,
valid );
GXV_EXIT;
}
static void
gxv_just_justClassTable_validate ( FT_Bytes table,
FT_Bytes limit,
GXV_Validator gxvalid )
{
FT_Bytes p = table;
FT_UShort length;
FT_UShort coverage;
FT_ULong subFeatureFlags;
GXV_NAME_ENTER( "just justClassTable" );
GXV_LIMIT_CHECK( 2 + 2 + 4 );
length = FT_NEXT_USHORT( p );
coverage = FT_NEXT_USHORT( p );
subFeatureFlags = FT_NEXT_ULONG( p );
GXV_TRACE(( " justClassTable: coverage = 0x%04x (%s) ", coverage ));
if ( ( coverage & 0x4000 ) == 0 )
GXV_TRACE(( "ascending\n" ));
else
GXV_TRACE(( "descending\n" ));
if ( subFeatureFlags )
GXV_TRACE(( " justClassTable: nonzero value (0x%08x)"
" in unused subFeatureFlags\n", subFeatureFlags ));
gxvalid->statetable.optdata = NULL;
gxvalid->statetable.optdata_load_func = NULL;
gxvalid->statetable.subtable_setup_func = NULL;
gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
gxvalid->statetable.entry_validate_func =
gxv_just_classTable_entry_validate;
gxv_StateTable_validate( p, table + length, gxvalid );
/* subtable_length is set by gxv_LookupTable_validate() */
GXV_EXIT;
}
gxv_mort_subtable_type0_validate( FT_Bytes table,
FT_Bytes limit,
GXV_Validator valid )
{
FT_Bytes p = table;
GXV_NAME_ENTER(
"mort chain subtable type0 (Indic-Script Rearrangement)" );
GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );
valid->statetable.optdata = NULL;
valid->statetable.optdata_load_func = NULL;
valid->statetable.subtable_setup_func = NULL;
valid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
valid->statetable.entry_validate_func =
gxv_mort_subtable_type0_entry_validate;
gxv_StateTable_validate( p, limit, valid );
GXV_EXIT;
}