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#ifndef OT_GLYF_COMPOSITE_ITER_HH
#define OT_GLYF_COMPOSITE_ITER_HH
#include "../../hb.hh"
namespace OT {
namespace glyf_impl {
template <typename CompositeGlyphRecord>
struct composite_iter_tmpl : hb_iter_with_fallback_t<composite_iter_tmpl<CompositeGlyphRecord>,
const CompositeGlyphRecord &>
{
typedef const CompositeGlyphRecord *__item_t__;
composite_iter_tmpl (hb_bytes_t glyph_, __item_t__ current_) :
glyph (glyph_), current (nullptr), current_size (0)
{
set_current (current_);
}
composite_iter_tmpl () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {}
const CompositeGlyphRecord & __item__ () const { return *current; }
bool __more__ () const { return current; }
void __next__ ()
{
if (!current->has_more ()) { current = nullptr; return; }
set_current (&StructAtOffset<CompositeGlyphRecord> (current, current_size));
}
composite_iter_tmpl __end__ () const { return composite_iter_tmpl (); }
bool operator != (const composite_iter_tmpl& o) const
{ return current != o.current; }
void set_current (__item_t__ current_)
{
if (!glyph.check_range (current_, CompositeGlyphRecord::min_size))
{
current = nullptr;
current_size = 0;
return;
}
unsigned size = current_->get_size ();
if (!glyph.check_range (current_, size))
{
current = nullptr;
current_size = 0;
return;
}
current = current_;
current_size = size;
}
private:
hb_bytes_t glyph;
__item_t__ current;
unsigned current_size;
};
} /* namespace glyf_impl */
} /* namespace OT */
#endif /* OT_GLYF_COMPOSITE_ITER_HH */
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