Mercurial > hg > octave-lojdl
changeset 7530:bb0f2353cff5
new cell array ctype mappers
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 25 Feb 2008 19:01:30 -0500 |
parents | 7e1b042c5418 |
children | c9a476b1e664 |
files | scripts/ChangeLog scripts/strings/isstrprop.m src/Cell.cc src/Cell.h src/ChangeLog src/ov-cell.h |
diffstat | 6 files changed, 187 insertions(+), 0 deletions(-) [+] |
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--- a/scripts/ChangeLog +++ b/scripts/ChangeLog @@ -1,3 +1,7 @@ +2008-02-25 John W. Eaton <jwe@octave.org> + + * strings/isstrprop.m: New file. + 2008-02-25 Ryan Hinton <rwh4s@virginia.edu> * miscellaneous/unpack.m: Use "-f -" args for tar.
new file mode 100644 --- /dev/null +++ b/scripts/strings/isstrprop.m @@ -0,0 +1,118 @@ +## Copyright (C) 2008 John W. Eaton +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Function File} {} isstrprop (@var{str}, @var{pred}) +## Test character string properties. For example, +## +## @example +## @group +## isstrprop ("abc123", "isalpha") +## @result{} [1, 1, 1, 0, 0, 0] +## @end group +## @end example +## +## If @var{str} is a cell array, @code{isstrpop} is applied recursively +## to each element of the cell array. +## +## Numeric arrays are converted to character strings. +## +## The second argument @var{pred} may be one of +## +## @table @code +## @item "alpha" +## True for characters that are alphabetic +## +## @item "alnum" +## @itemx "alphanum" +## True for characters that are alphabetic or digits. +## +## @item "ascii" +## True for characters that are in the range of ASCII encoding. +## +## @item "cntrl" +## True for control characters. +## +## @item "digit" +## True for decimal digits. +## +## @item "graph" +## @itemx "graphic" +## True for printing characters except space. +## +## @item "lower" +## True for lower-case letters. +## +## @item "print" +## True for printing characters including space. +## +## @item "punct" +## True for printing characters except space or letter or digit. +## +## @item "space" +## @itemx "wspace" +## True for whitespace characters (space, formfeed, newline, carriage +## return, tab, vertical tab). +## +## @item "upper" +## True for upper-case letters. +## +## @item "xdigit" +## True for hexadecimal digits. +## @end table +## +## @seealso{isalnum, isalpha, isascii, iscntrl, isdigit, isgraph, +## islower, isprint, ispunct, isspace, isupper, isxdigit} +## @end deftypefn + +function retval = isstrprop (str, pred) + + if (nargin == 2) + switch (pred) + case "alpha" + retval = isalpha (str); + case {"alnum", "alphanum"} + retval = isalnum (str); + case "ascii" + retval = isascii (str); + case "cntrl" + retval = iscntrl (str); + case "digit" + retval = isdigit (str); + case {"graph", "graphic"} + retval = isgraph (str); + case "lower" + retval = islower (str); + case "print" + retval = isprint (str); + case "punct" + retval = ispunct (str); + case {"space", "wspace"} + retval = isspace (str); + case "upper" + retval = isupper (str); + case "xdigit" + retval = isxdigit (str); + otherwise + error ("isstrprop: invalid predicate"); + endswitch + else + print_usage (); + endif + +endfunction
--- a/src/Cell.cc +++ b/src/Cell.cc @@ -224,6 +224,20 @@ return *this; } +Cell +Cell::map (ctype_mapper fcn) const +{ + Cell retval (dims ()); + octave_value *r = retval.fortran_vec (); + + const octave_value *p = data (); + + for (octave_idx_type i = 0; i < numel (); i++) + r[i] = ((p++)->*fcn) (); + + return retval; +} + /* ;;; Local Variables: *** ;;; mode: C++ ***
--- a/src/Cell.h +++ b/src/Cell.h @@ -114,6 +114,28 @@ bool is_true (void) const { return false; } static octave_value resize_fill_value (void) { return Matrix (); } + + Cell xisalnum (void) const { return map (&octave_value::xisalnum); } + Cell xisalpha (void) const { return map (&octave_value::xisalpha); } + Cell xisascii (void) const { return map (&octave_value::xisascii); } + Cell xiscntrl (void) const { return map (&octave_value::xiscntrl); } + Cell xisdigit (void) const { return map (&octave_value::xisdigit); } + Cell xisgraph (void) const { return map (&octave_value::xisgraph); } + Cell xislower (void) const { return map (&octave_value::xislower); } + Cell xisprint (void) const { return map (&octave_value::xisprint); } + Cell xispunct (void) const { return map (&octave_value::xispunct); } + Cell xisspace (void) const { return map (&octave_value::xisspace); } + Cell xisupper (void) const { return map (&octave_value::xisupper); } + Cell xisxdigit (void) const { return map (&octave_value::xisxdigit); } + Cell xtoascii (void) const { return map (&octave_value::xtoascii); } + Cell xtolower (void) const { return map (&octave_value::xtolower); } + Cell xtoupper (void) const { return map (&octave_value::xtoupper); } + +private: + + typedef octave_value (octave_value::*ctype_mapper) (void) const; + + Cell map (ctype_mapper) const; }; #endif
--- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,16 @@ +2008-02-25 John W. Eaton <jwe@octave.org> + + * Cell.cc (Cell::map): New function. + * Cell.h (Cell::map): Declare. + (xisalnum, xisalpha, xisascii, xiscntrl, xisdigit, + xisgraph, xislower, xisprint, xispunct, xisspace, xisupper, + xisxdigit, xtoascii, xtolower, xtoupper): New mapper functions. + (ctype_mapper): New private typedef. + + * ov-cell.h (xisalnum, xisalpha, xisascii, xiscntrl, xisdigit, + xisgraph, xislower, xisprint, xispunct, xisspace, xisupper, + xisxdigit, xtoascii, xtolower, xtoupper): New mapper functions. + 2008-02-25 Michael Goffioul <michael.goffioul@gmail.com> * ov-scalar.cc (octave_scalar::round): Use xround instead of ::round
--- a/src/ov-cell.h +++ b/src/ov-cell.h @@ -130,6 +130,22 @@ bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug); #endif + octave_value xisalnum (void) const { return matrix.xisalnum (); } + octave_value xisalpha (void) const { return matrix.xisalpha (); } + octave_value xisascii (void) const { return matrix.xisascii (); } + octave_value xiscntrl (void) const { return matrix.xiscntrl (); } + octave_value xisdigit (void) const { return matrix.xisdigit (); } + octave_value xisgraph (void) const { return matrix.xisgraph (); } + octave_value xislower (void) const { return matrix.xislower (); } + octave_value xisprint (void) const { return matrix.xisprint (); } + octave_value xispunct (void) const { return matrix.xispunct (); } + octave_value xisspace (void) const { return matrix.xisspace (); } + octave_value xisupper (void) const { return matrix.xisupper (); } + octave_value xisxdigit (void) const { return matrix.xisxdigit (); } + octave_value xtoascii (void) const { return matrix.xtoascii (); } + octave_value xtolower (void) const { return matrix.xtolower (); } + octave_value xtoupper (void) const { return matrix.xtoupper (); } + mxArray *as_mxArray (void) const; private: