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[HB] Finish GSUB sanitize()

This commit is contained in:
Behdad Esfahbod 2009-08-04 02:27:37 -04:00
parent cf086adca1
commit 29d8644a31
1 changed files with 20 additions and 1 deletions
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21
src/hb-ot-layout-gsub-private.hh
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@ -721,6 +721,8 @@ struct SubstLookup : Lookup
{
inline const SubstLookupSubTable& get_subtable (unsigned int i) const
{ return (const SubstLookupSubTable&) Lookup::get_subtable (i); }
inline SubstLookupSubTable& get_subtable (unsigned int i)
{ return (SubstLookupSubTable&) Lookup::get_subtable (i); }
/* Like get_type(), but looks through extension lookups.
* Never returns Extension */
@ -757,7 +759,8 @@ struct SubstLookup : Lookup
if (!_hb_ot_layout_check_glyph_property (context->face, IN_CURINFO (), lookup_flag, &property))
return false;
for (unsigned int i = 0; i < get_subtable_count (); i++)
unsigned int count = get_subtable_count ();
for (unsigned int i = 0; i < count; i++)
if (get_subtable (i).apply (APPLY_ARG, lookup_type))
return true;
@ -810,9 +813,17 @@ struct SubstLookup : Lookup
return ret;
}
inline bool sanitize (SANITIZE_ARG_DEF) {
if (Lookup::sanitize (SANITIZE_ARG)) return false;
OffsetArrayOf<SubstLookupSubTable> &list = (OffsetArrayOf<SubstLookupSubTable> &) subTable;
return SANITIZE_THIS (list);
}
};
ASSERT_SIZE (SubstLookup, 6);
typedef OffsetListOf<SubstLookup> SubstLookupList;
ASSERT_SIZE (SubstLookupList, 2);
/*
* GSUB
@ -827,6 +838,8 @@ struct GSUB : GSUBGPOS
inline const SubstLookup& get_lookup (unsigned int i) const
{ return (const SubstLookup&) GSUBGPOS::get_lookup (i); }
inline SubstLookup& get_lookup (unsigned int i)
{ return (SubstLookup&) GSUBGPOS::get_lookup (i); }
inline bool substitute_lookup (hb_ot_layout_context_t *context,
hb_buffer_t *buffer,
@ -834,6 +847,12 @@ struct GSUB : GSUBGPOS
hb_ot_layout_feature_mask_t mask) const
{ return get_lookup (lookup_index).apply_string (context, buffer, mask); }
inline bool sanitize (SANITIZE_ARG_DEF) {
if (GSUBGPOS::sanitize (SANITIZE_ARG)) return false;
OffsetTo<SubstLookupList> &list = (OffsetTo<SubstLookupList> &) lookupList;
return SANITIZE_THIS (list);
}
};
ASSERT_SIZE (GSUB, 10);