Mercurial > octave
view libinterp/corefcn/strfind.cc @ 31605:e88a07dec498 stable
maint: Use macros to begin/end C++ namespaces.
* oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE,
OCTAVE_END_NAMESPACE) that can be used to start/end a namespace.
* mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc,
__dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc,
__ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc,
auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h,
besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc,
colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc,
defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc,
display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h,
event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc,
fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc,
ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc,
getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc,
gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc,
graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc,
help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h,
interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h,
inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc,
latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h,
lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h,
mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc,
oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h,
oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h,
oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h,
oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy,
ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc,
pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc,
qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h,
sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc,
sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h,
stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h,
text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc,
toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc,
url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h,
__delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc,
audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh,
mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc,
cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h,
cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h,
cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h,
ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc,
ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h,
ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc,
op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc,
op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc,
op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc,
op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc,
op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc,
op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc,
op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc,
op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc,
op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc,
op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc,
op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc,
op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h,
anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h,
comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc,
oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h,
pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h,
pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h,
pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h,
pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h,
pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc,
pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc,
pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc,
pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc,
pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc,
pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc,
pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h,
pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h,
range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc,
chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h,
lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h,
oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h,
oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc,
qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc,
randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc,
sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc,
child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc,
file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h,
mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h,
oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc,
oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h,
base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h,
file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc,
lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h,
oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h,
oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h,
oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h,
pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h,
url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 01 Dec 2022 14:23:45 -0800 |
parents | 83f9f8bda883 |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2009-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <algorithm> #include <deque> #include <limits> #include <string> #include "oct-locbuf.h" #include "Cell.h" #include "builtin-defun-decls.h" #include "defun.h" #include "errwarn.h" #include "error.h" #include "ov.h" #include "unwind-prot.h" #include "utils.h" OCTAVE_BEGIN_NAMESPACE(octave) // This allows safe indexing with char. // In C++, char may be (and often is) signed! #define ORD(ch) static_cast<unsigned char>(ch) #define TABSIZE (std::numeric_limits<unsigned char>::max () + 1) // This is the quick search algorithm, as described at // http://www-igm.univ-mlv.fr/~lecroq/string/node19.html static void qs_preprocess (const Array<char>& needle, octave_idx_type *table) { const char *x = needle.data (); octave_idx_type m = needle.numel (); for (octave_idx_type i = 0; i < TABSIZE; i++) table[i] = m + 1; for (octave_idx_type i = 0; i < m; i++) table[ORD(x[i])] = m - i; } static Array<octave_idx_type> qs_search (const Array<char>& needle, const Array<char>& haystack, const octave_idx_type *table, bool overlaps = true) { const char *x = needle.data (); octave_idx_type m = needle.numel (); const char *y = haystack.data (); octave_idx_type n = haystack.numel (); // We'll use deque because it typically has the most favorable properties for // the operation we need. std::deque<octave_idx_type> accum; if (m == 1) { // Looking for a single character. for (octave_idx_type i = 0; i < n; i++) { if (y[i] == x[0]) accum.push_back (i); } } else if (m == 2) { // Two characters. if (overlaps) { for (octave_idx_type i = 0; i < n-1; i++) { if (y[i] == x[0] && y[i+1] == x[1]) accum.push_back (i); } } else { for (octave_idx_type i = 0; i < n-1; i++) { if (y[i] == x[0] && y[i+1] == x[1]) accum.push_back (i++); } } } else if (n >= m) { // General case. octave_idx_type j = 0; if (overlaps) { while (j < n - m) { if (std::equal (x, x + m, y + j)) accum.push_back (j); j += table[ORD(y[j + m])]; } } else { while (j < n - m) { if (std::equal (x, x + m, y + j)) { accum.push_back (j); j += m; } else j += table[ORD(y[j + m])]; } } if (j == n - m && std::equal (x, x + m, y + j)) accum.push_back (j); } octave_idx_type nmatch = accum.size (); octave_idx_type one = 1; Array<octave_idx_type> result (dim_vector (std::min (one, nmatch), nmatch)); octave_idx_type k = 0; for (const auto& idx : accum) result.xelem (k++) = idx; return result; } DEFUN (strfind, args, , doc: /* -*- texinfo -*- @deftypefn {} {@var{idx} =} strfind (@var{str}, @var{pattern}) @deftypefnx {} {@var{idx} =} strfind (@var{cellstr}, @var{pattern}) @deftypefnx {} {@var{idx} =} strfind (@dots{}, "overlaps", @var{val}) @deftypefnx {} {@var{idx} =} strfind (@dots{}, "forcecelloutput", @var{val}) Search for @var{pattern} in the string @var{str} and return the starting index of every such occurrence in the vector @var{idx}. If there is no such occurrence, or if @var{pattern} is longer than @var{str}, or if @var{pattern} itself is empty, then @var{idx} is the empty array @code{[]}. The optional argument @qcode{"overlaps"} determines whether the pattern can match at every position in @var{str} (true), or only for unique occurrences of the complete pattern (false). The default is true. If a cell array of strings @var{cellstr} is specified then @var{idx} is a cell array of vectors, as specified above. The optional argument @qcode{"forcecelloutput"} forces @var{idx} to be returned as a cell array of vectors. The default is false. Examples: @example @group strfind ("abababa", "aba") @result{} [1, 3, 5] @end group @group strfind ("abababa", "aba", "overlaps", false) @result{} [1, 5] @end group @group strfind (@{"abababa", "bebebe", "ab"@}, "aba") @result{} @{ [1,1] = 1 3 5 [1,2] = [](1x0) [1,3] = [](1x0) @} @end group @group strfind ("abababa", "aba", "forcecelloutput", true) @result{} @{ [1,1] = 1 3 5 @} @end group @end example @seealso{regexp, regexpi, find} @end deftypefn */) { int nargin = args.length (); if (nargin != 4 && nargin != 2) print_usage (); bool overlaps = true; bool forcecelloutput = false; if (nargin == 4) { if (! args(2).is_string () || ! args(3).is_scalar_type ()) error ("strfind: invalid optional arguments"); std::string opt = args(2).string_value (); std::transform (opt.begin (), opt.end (), opt.begin (), tolower); if (opt == "overlaps") overlaps = args(3).bool_value (); else if (opt == "forcecelloutput") forcecelloutput = args(3).bool_value (); else error ("strfind: unknown option: %s", opt.c_str ()); } octave_value retval; octave_value argstr = args(0); octave_value argpat = args(1); if (argpat.is_string ()) { Array<char> needle = argpat.char_array_value (); OCTAVE_LOCAL_BUFFER (octave_idx_type, table, TABSIZE); qs_preprocess (needle, table); if (argstr.is_string ()) { if (argpat.isempty ()) // Return a null matrix for null pattern for MW compatibility retval = Matrix (); else retval = octave_value (qs_search (needle, argstr.char_array_value (), table, overlaps), true, true); if (forcecelloutput) retval = Cell (retval); } else if (argstr.iscell ()) { const Cell argsc = argstr.cell_value (); Cell retc (argsc.dims ()); octave_idx_type ns = argsc.numel (); for (octave_idx_type i = 0; i < ns; i++) { octave_value argse = argsc(i); if (! argse.is_string ()) error ("strfind: each element of CELLSTR must be a string"); if (argpat.isempty ()) retc(i) = Matrix (); else retc(i) = octave_value (qs_search (needle, argse.char_array_value (), table, overlaps), true, true); } retval = retc; } else error ("strfind: first argument must be a string or cell array of strings"); } else if (argpat.iscell ()) retval = do_simple_cellfun (Fstrfind, "strfind", args); else error ("strfind: PATTERN must be a string or cell array of strings"); return retval; } /* %!assert (strfind ("abababa", "aba"), [1, 3, 5]) %!assert (strfind ("abababa", "aba", "overlaps", false), [1, 5]) %!assert (strfind ("abababa", "aba", "forcecelloutput", false), [1, 3, 5]) %!assert (strfind ("abababa", "aba", "forcecelloutput", true), {[1, 3, 5]}) %!assert (strfind ({"abababa", "bla", "bla"}, "a"), {[1, 3, 5, 7], 3, 3}) %!assert (strfind ({"abababa", "bla", "bla"}, "a", "forcecelloutput", false), %! {[1, 3, 5, 7], 3, 3}) %!assert (strfind ({"abababa", "bla", "bla"}, "a", "forcecelloutput", true), %! {[1, 3, 5, 7], 3, 3}) %!assert (strfind ("Linux _is_ user-friendly. It just isn't ignorant-friendly or idiot-friendly.", "friendly"), [17, 50, 68]) %!assert (strfind ("abc", ""), []) %!assert (strfind ("abc", {"", "b", ""}), {[], 2, []}) %!assert (strfind ({"abc", "def"}, ""), {[], []}) %!error strfind () %!error strfind ("foo", "bar", 1) %!error <unknown option: foobar> strfind ("foo", 100, "foobar", 1) %!error <each element of CELLSTR must be a string> strfind ({"A", 1}, "foo") %!error <first argument must be a string> strfind (100, "foo") %!error <PATTERN must be a string> strfind ("foo", 100) */ static Array<char> qs_replace (const Array<char>& str, const Array<char>& pat, const Array<char>& rep, const octave_idx_type *table, bool overlaps = true) { Array<char> ret = str; octave_idx_type siz = str.numel (); octave_idx_type psiz = pat.numel (); octave_idx_type rsiz = rep.numel (); if (psiz != 0) { // Look up matches, without overlaps. const Array<octave_idx_type> idx = qs_search (pat, str, table, overlaps); octave_idx_type nidx = idx.numel (); if (nidx) { // Compute result size. octave_idx_type retsiz; if (overlaps) { retsiz = 0; // OMG. Is this the "right answer" MW always looks for, or // someone was just lazy? octave_idx_type k = 0; for (octave_idx_type i = 0; i < nidx; i++) { octave_idx_type j = idx(i); if (j >= k) retsiz += j - k; retsiz += rsiz; k = j + psiz; } retsiz += siz - k; } else retsiz = siz + nidx * (rsiz - psiz); if (retsiz == 0) ret.clear (dim_vector (0, 0)); else { ret.clear (dim_vector (1, retsiz)); const char *src = str.data (); const char *reps = rep.data (); char *dest = ret.fortran_vec (); octave_idx_type k = 0; for (octave_idx_type i = 0; i < nidx; i++) { octave_idx_type j = idx(i); if (j >= k) dest = std::copy (src + k, src + j, dest); dest = std::copy (reps, reps + rsiz, dest); k = j + psiz; } std::copy (src + k, src + siz, dest); } } } return ret; } DEFUN (strrep, args, , doc: /* -*- texinfo -*- @deftypefn {} {@var{newstr} =} strrep (@var{str}, @var{ptn}, @var{rep}) @deftypefnx {} {@var{newstr} =} strrep (@var{cellstr}, @var{ptn}, @var{rep}) @deftypefnx {} {@var{newstr} =} strrep (@dots{}, "overlaps", @var{val}) Replace all occurrences of the pattern @var{ptn} in the string @var{str} with the string @var{rep} and return the result. The optional argument @qcode{"overlaps"} determines whether the pattern can match at every position in @var{str} (true), or only for unique occurrences of the complete pattern (false). The default is true. @var{s} may also be a cell array of strings, in which case the replacement is done for each element and a cell array is returned. Example: @example @group strrep ("This is a test string", "is", "&%$") @result{} "Th&%$ &%$ a test string" @end group @end example @seealso{regexprep, strfind} @end deftypefn */) { int nargin = args.length (); if (nargin != 3 && nargin != 5) print_usage (); bool overlaps = true; if (nargin == 5) { if (! args(3).is_string () || ! args(4).is_scalar_type ()) error ("strrep: invalid optional argument"); std::string opt = args(3).string_value (); if (opt != "overlaps") error ("strrep: unknown option: %s", opt.c_str ()); overlaps = args(4).bool_value (); } octave_value retval; // Aliasing for better code readability octave_value argstr = args(0); octave_value argpat = args(1); octave_value argrep = args(2); if (argpat.is_string () && argrep.is_string ()) { const Array<char> pat = argpat.char_array_value (); const Array<char> rep = argrep.char_array_value (); OCTAVE_LOCAL_BUFFER (octave_idx_type, table, TABSIZE); qs_preprocess (pat, table); if (argstr.is_string ()) if (argstr.rows () == 1) // most common case of a single string retval = qs_replace (argstr.char_array_value (), pat, rep, table, overlaps); else { const charMatrix argchm = argstr.char_matrix_value (); octave_idx_type nel = argchm.rows (); octave_idx_type nc = argchm.columns (); charMatrix retchm (nel, 0); for (octave_idx_type i = 0; i < nel; i++) { charMatrix rowchm; rowchm = qs_replace (argchm.extract (i, 0, i, nc-1), pat, rep, table, overlaps); retchm.insert (rowchm, i, 0); } retval = retchm; } else if (argstr.iscell ()) { const Cell argcell = argstr.cell_value (); if (! argcell.iscellstr ()) error ("strrep: each element of S must be a string"); Cell retcell (argcell.dims ()); octave_idx_type nel = argcell.numel (); for (octave_idx_type i = 0; i < nel; i++) { retcell(i) = qs_replace (argcell(i).char_array_value (), pat, rep, table, overlaps); } retval = retcell; } else error ("strrep: S must be a string or cell array of strings"); } else if (argpat.iscell () || argrep.iscell ()) retval = do_simple_cellfun (Fstrrep, "strrep", args); else error ("strrep: PTN and REP arguments must be strings or cell arrays of strings"); return retval; } /* %!assert (strrep ("This is a test string", "is", "&%$"), %! "Th&%$ &%$ a test string") %!assert (strrep ("abababc", "abab", "xyz"), "xyzxyzc") %!assert (strrep ("abababc", "abab", "xyz", "overlaps", false), "xyzabc") %!assert (strrep ({"Hello World"; "Goodbye World"}, "World", "Jane"), %! {"Hello Jane"; "Goodbye Jane"}) %!assert (strrep (char ("Hello World", "Goodbye World"), "World", "Jane"), %! char ("Hello Jane", "Goodbye Jane")) %!assert (size (strrep ("a", "a", "")), [0 0]) %!error strrep () %!error strrep ("A") %!error strrep ("A", "B") %!error strrep ("A", "B", "C", "D") %!error strrep ("A", "B", "C", "D", "E", "F") %!error <invalid optional argument> strrep ("A", "B", "C", 3, true) %!error <invalid optional argument> strrep ("A", "B", "C", "str", ones (2,2)) %!error <unknown option: foobar> strrep ("A", "B", "C", "foobar", true) %!error <each element of S must be a string> strrep ({"A", 1.0}, "B", "C") %!error <S must be a string or cell array of strings> strrep (1.0, "B", "C") %!error <PTN and REP arguments must be strings> strrep ("A", 1.0, "C") %!error <PTN and REP arguments must be strings> strrep ("A", "B", 1.0) */ OCTAVE_END_NAMESPACE(octave)