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-rw-r--r--gfx/harfbuzz/src/OT/Layout/GPOS/PosLookupSubTable.hh79
1 files changed, 79 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/OT/Layout/GPOS/PosLookupSubTable.hh b/gfx/harfbuzz/src/OT/Layout/GPOS/PosLookupSubTable.hh
new file mode 100644
index 0000000000..c19fbc323f
--- /dev/null
+++ b/gfx/harfbuzz/src/OT/Layout/GPOS/PosLookupSubTable.hh
@@ -0,0 +1,79 @@
+#ifndef OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH
+#define OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH
+
+#include "SinglePos.hh"
+#include "PairPos.hh"
+#include "CursivePos.hh"
+#include "MarkBasePos.hh"
+#include "MarkLigPos.hh"
+#include "MarkMarkPos.hh"
+#include "ContextPos.hh"
+#include "ChainContextPos.hh"
+#include "ExtensionPos.hh"
+
+namespace OT {
+namespace Layout {
+namespace GPOS_impl {
+
+struct PosLookupSubTable
+{
+ friend struct ::OT::Lookup;
+ friend struct PosLookup;
+
+ enum Type {
+ Single = 1,
+ Pair = 2,
+ Cursive = 3,
+ MarkBase = 4,
+ MarkLig = 5,
+ MarkMark = 6,
+ Context = 7,
+ ChainContext = 8,
+ Extension = 9
+ };
+
+ template <typename context_t, typename ...Ts>
+ typename context_t::return_t dispatch (context_t *c, unsigned int lookup_type, Ts&&... ds) const
+ {
+ TRACE_DISPATCH (this, lookup_type);
+ switch (lookup_type) {
+ case Single: return_trace (u.single.dispatch (c, std::forward<Ts> (ds)...));
+ case Pair: return_trace (u.pair.dispatch (c, std::forward<Ts> (ds)...));
+ case Cursive: return_trace (u.cursive.dispatch (c, std::forward<Ts> (ds)...));
+ case MarkBase: return_trace (u.markBase.dispatch (c, std::forward<Ts> (ds)...));
+ case MarkLig: return_trace (u.markLig.dispatch (c, std::forward<Ts> (ds)...));
+ case MarkMark: return_trace (u.markMark.dispatch (c, std::forward<Ts> (ds)...));
+ case Context: return_trace (u.context.dispatch (c, std::forward<Ts> (ds)...));
+ case ChainContext: return_trace (u.chainContext.dispatch (c, std::forward<Ts> (ds)...));
+ case Extension: return_trace (u.extension.dispatch (c, std::forward<Ts> (ds)...));
+ default: return_trace (c->default_return_value ());
+ }
+ }
+
+ bool intersects (const hb_set_t *glyphs, unsigned int lookup_type) const
+ {
+ hb_intersects_context_t c (glyphs);
+ return dispatch (&c, lookup_type);
+ }
+
+ protected:
+ union {
+ SinglePos single;
+ PairPos pair;
+ CursivePos cursive;
+ MarkBasePos markBase;
+ MarkLigPos markLig;
+ MarkMarkPos markMark;
+ ContextPos context;
+ ChainContextPos chainContext;
+ ExtensionPos extension;
+ } u;
+ public:
+ DEFINE_SIZE_MIN (0);
+};
+
+}
+}
+}
+
+#endif /* HB_OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH */