/usr/lib/R/site-library/dplyr/include/dplyr/visitor_impl.h is in r-cran-dplyr 0.7.4-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #ifndef dplyr_visitor_impl_H
#define dplyr_visitor_impl_H
#include <dplyr/VectorVisitorImpl.h>
#include <dplyr/DataFrameColumnVisitor.h>
#include <dplyr/MatrixColumnVisitor.h>
namespace dplyr {
inline VectorVisitor* visitor_matrix(SEXP vec);
inline VectorVisitor* visitor_vector(SEXP vec);
inline VectorVisitor* visitor(SEXP vec) {
if (Rf_isMatrix(vec)) {
return visitor_matrix(vec);
}
else {
return visitor_vector(vec);
}
}
inline VectorVisitor* visitor_matrix(SEXP vec) {
switch (TYPEOF(vec)) {
case CPLXSXP:
return new MatrixColumnVisitor<CPLXSXP>(vec);
case INTSXP:
return new MatrixColumnVisitor<INTSXP>(vec);
case REALSXP:
return new MatrixColumnVisitor<REALSXP>(vec);
case LGLSXP:
return new MatrixColumnVisitor<LGLSXP>(vec);
case STRSXP:
return new MatrixColumnVisitor<STRSXP>(vec);
case VECSXP:
return new MatrixColumnVisitor<VECSXP>(vec);
default:
break;
}
stop("unsupported matrix type %s", Rf_type2char(TYPEOF(vec)));
}
inline VectorVisitor* visitor_vector(SEXP vec) {
switch (TYPEOF(vec)) {
case CPLXSXP:
return new VectorVisitorImpl<CPLXSXP>(vec);
case INTSXP:
if (Rf_inherits(vec, "factor"))
return new FactorVisitor(vec);
return new VectorVisitorImpl<INTSXP>(vec);
case REALSXP:
return new VectorVisitorImpl<REALSXP>(vec);
case LGLSXP:
return new VectorVisitorImpl<LGLSXP>(vec);
case STRSXP:
return new VectorVisitorImpl<STRSXP>(vec);
case VECSXP: {
if (Rf_inherits(vec, "data.frame")) {
return new DataFrameColumnVisitor(vec);
}
if (Rf_inherits(vec, "POSIXlt")) {
stop("POSIXlt not supported");
}
return new VectorVisitorImpl<VECSXP>(vec);
}
default:
break;
}
// should not happen, safeguard against segfaults anyway
stop("is of unsupported type %s", Rf_type2char(TYPEOF(vec)));
}
}
#endif
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