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view libinterp/corefcn/ls-mat-ascii.cc @ 22407:34ce5be04942
maint: Style check C++ code in libinterp/.
* build-env.h, build-env.in.cc, builtins.h, Cell.cc, Cell.h, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.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, cdisplay.c, cdisplay.h,
cellfun.cc, coct-hdf5-types.c, comment-list.cc, comment-list.h, conv2.cc,
daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, debug.h, defaults.cc,
defaults.in.h, defun-dld.h, defun-int.h, defun.h, det.cc, dirfns.cc, dirfns.h,
display.cc, display.h, dlmread.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
error.cc, error.h, errwarn.h, event-queue.cc, event-queue.h, fft.cc, fft2.cc,
fftn.cc, file-io.cc, file-io.h, filter.cc, find.cc, ft-text-renderer.cc,
ft-text-renderer.h, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc,
gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics.cc,
graphics.in.h, gripes.h, gsvd.cc, hash.cc, help.cc, help.h, hess.cc,
hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter.cc,
interpreter.h, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h,
jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-path.h, load-save.cc,
load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-hdf5.cc,
ls-hdf5.h, ls-mat-ascii.cc, ls-mat-ascii.h, ls-mat4.cc, ls-mat4.h, ls-mat5.h,
ls-oct-binary.cc, ls-oct-binary.h, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h,
mgorth.cc, mxarray.in.h, nproc.cc, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc,
oct-fstrm.h, oct-handle.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hdf5.h,
oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-lvalue.cc,
oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.cc,
oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc,
oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct.h, octave-default-image.h,
octave-link.h, octave-preserve-stream-state.h, ordschur.cc, pager.cc, pager.h,
pinv.cc, pr-output.cc, pr-output.h, procstream.cc, procstream.h, profiler.h,
psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, sparse-xdiv.cc,
sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc,
str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-renderer.cc,
text-renderer.h, time.cc, toplev.cc, toplev.h, tril.cc, tsearch.cc, txt-eng.cc,
txt-eng.h, typecast.cc, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, workspace-element.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc,
xpow.h, zfstream.cc, zfstream.h, deprecated-config.h, __delaunayn__.cc,
__eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc,
audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc,
dmperm.cc, fftw.cc, gzip.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.h, liboctinterp-build-info.in.cc, ov-base-diag.h,
ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.h,
ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h,
ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc, ov-ch-mat.h,
ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-colon.cc,
ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h, ov-cx-diag.cc,
ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h,
ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h,
ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc,
ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc,
ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc,
ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int-traits.h,
ov-int16.cc, ov-int16.h, ov-int32.cc, ov-int32.h, ov-int64.cc, ov-int64.h,
ov-int8.cc, ov-int8.h, ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc,
ov-lazy-idx.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-null-mat.h,
ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc,
ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h,
ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc,
ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-typeinfo.cc, ov-typeinfo.h,
ov-uint16.cc, ov-uint16.h, ov-uint32.cc, ov-uint32.h, ov-uint64.cc,
ov-uint64.h, ov-uint8.cc, ov-uint8.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.h,
ovl.cc, ovl.h, octave.cc, octave.h, 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-pm.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-fcm-pm.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-fm-pm.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-int.h,
op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-pm.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-cm.cc, op-pm-fcm.cc, op-pm-fm.cc, op-pm-m.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, options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.cc,
pt-arg-list.h, 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.cc,
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-funcall.cc, pt-funcall.h,
pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.cc, 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-stmt.cc, pt-stmt.h, pt-unop.cc,
pt-unop.h, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Array-jit.cc,
Array-tc.cc, version.cc, version.in.h:
Style check C++ code in libinterp/
author | Rik <rik@octave.org> |
---|---|
date | Tue, 30 Aug 2016 21:46:47 -0700 |
parents | d0562b3159c7 |
children | 3a2b891d0b33 e9a0469dedd9 |
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/* Copyright (C) 1996-2016 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/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cfloat> #include <cstring> #include <cctype> #include <fstream> #include <iomanip> #include <iostream> #include <sstream> #include <string> #include "byte-swap.h" #include "data-conv.h" #include "file-ops.h" #include "glob-match.h" #include "lo-mappers.h" #include "mach-info.h" #include "oct-env.h" #include "oct-time.h" #include "quit.h" #include "str-vec.h" #include "Cell.h" #include "defun.h" #include "error.h" #include "errwarn.h" #include "interpreter.h" #include "lex.h" #include "load-save.h" #include "ls-ascii-helper.h" #include "ls-mat-ascii.h" #include "ovl.h" #include "oct-map.h" #include "ov-cell.h" #include "pager.h" #include "pt-exp.h" #include "sysdep.h" #include "unwind-prot.h" #include "utils.h" #include "variables.h" #include "version.h" #include "dMatrix.h" static std::string get_mat_data_input_line (std::istream& is) { std::string retval; bool have_data = false; do { retval = ""; char c; while (is.get (c)) { if (c == '\n' || c == '\r') { is.putback (c); skip_preceeding_newline (is); break; } if (c == '%' || c == '#') { skip_until_newline (is, false); break; } if (! is.eof ()) { if (! have_data && c != ' ' && c != '\t') have_data = true; retval += c; } } } while (! (have_data || is.eof ())); return retval; } static void get_lines_and_columns (std::istream& is, octave_idx_type& nr, octave_idx_type& nc, const std::string& filename = "", bool quiet = false, bool check_numeric = false) { std::streampos pos = is.tellg (); int file_line_number = 0; nr = 0; nc = 0; while (is) { octave_quit (); std::string buf = get_mat_data_input_line (is); file_line_number++; size_t beg = buf.find_first_not_of (", \t"); // If we see a CR as the last character in the buffer, we had a // CRLF pair as the line separator. Any other CR in the text // will not be considered as whitespace. if (beg != std::string::npos && buf[beg] == '\r' && beg == buf.length () - 1) { // We had a blank line ending with a CRLF. Handle it the // same as an empty line. beg = std::string::npos; } octave_idx_type tmp_nc = 0; while (beg != std::string::npos) { tmp_nc++; size_t end = buf.find_first_of (", \t", beg); if (end != std::string::npos) { if (check_numeric) { std::istringstream tmp_stream (buf.substr (beg, end-beg)); octave_read_double (tmp_stream); if (tmp_stream.fail ()) { if (! quiet) error ("load: %s: non-numeric data found near line %d", filename.c_str (), file_line_number); nr = 0; nc = 0; goto done; } } beg = buf.find_first_not_of (", \t", end); if (beg == std::string::npos || (buf[beg] == '\r' && beg == buf.length () - 1)) { // We had a line with trailing spaces and // ending with a CRLF, so this should look like EOL, // not a new colum. break; } } else break; } if (tmp_nc > 0) { if (nc == 0) { nc = tmp_nc; nr++; } else if (nc == tmp_nc) nr++; else { if (! quiet) error ("load: %s: inconsistent number of columns near line %d", filename.c_str (), file_line_number); nr = 0; nc = 0; goto done; } } } if (! quiet && (nr == 0 || nc == 0)) error ("load: file '%s' seems to be empty!", filename.c_str ()); done: is.clear (); is.seekg (pos); } // Extract a matrix from a file of numbers only. // // Comments are not allowed. The file should only have numeric values. // // Reads the file twice. Once to find the number of rows and columns, // and once to extract the matrix. // // FILENAME is used for error messages. // // This format provides no way to tag the data as global. std::string read_mat_ascii_data (std::istream& is, const std::string& filename, octave_value& tc) { std::string varname; size_t pos = filename.rfind ('/'); if (pos != std::string::npos) varname = filename.substr (pos+1); else varname = filename; pos = varname.rfind ('.'); if (pos != std::string::npos) varname = varname.substr (0, pos); size_t len = varname.length (); for (size_t i = 0; i < len; i++) { char c = varname[i]; if (! (isalnum (c) || c == '_')) varname[i] = '_'; } if (octave::is_keyword (varname) || ! isalpha (varname[0])) varname.insert (0, "X"); if (! valid_identifier (varname)) error ("load: unable to convert filename '%s' to valid identifier", filename.c_str ()); octave_idx_type nr = 0; octave_idx_type nc = 0; int total_count = 0; get_lines_and_columns (is, nr, nc, filename); octave_quit (); if (nr <= 0 || nc <= 0) error ("load: unable to extract matrix size from file '%s'", filename.c_str ()); Matrix tmp (nr, nc); if (nr < 1 || nc < 1) is.clear (std::ios::badbit); else { double d; for (octave_idx_type i = 0; i < nr; i++) { std::string buf = get_mat_data_input_line (is); std::istringstream tmp_stream (buf); for (octave_idx_type j = 0; j < nc; j++) { octave_quit (); d = octave_read_value<double> (tmp_stream); if (! tmp_stream && ! tmp_stream.eof ()) error ("load: failed to read matrix from file '%s'", filename.c_str ()); tmp.elem (i, j) = d; total_count++; // Skip whitespace and commas. char c; while (1) { tmp_stream >> c; if (! tmp_stream) break; if (! (c == ' ' || c == '\t' || c == ',')) { tmp_stream.putback (c); break; } } if (tmp_stream.eof ()) break; } } } if (! is && ! is.eof ()) error ("load: failed to read matrix from file '%s'", filename.c_str ()); // FIXME: not sure this is best, but it works. if (is.eof ()) is.clear (); octave_idx_type expected = nr * nc; if (expected != total_count) error ("load: expected %d elements, found %d", expected, total_count); tc = tmp; return varname; } bool save_mat_ascii_data (std::ostream& os, const octave_value& val, int precision, bool tabs) { bool success = true; if (val.is_complex_type ()) warning ("save: omitting imaginary part for ASCII file"); Matrix m; try { m = val.matrix_value (true); } catch (const octave::execution_exception& e) { recover_from_exception (); success = false; } if (success) { long old_precision = os.precision (); os.precision (precision); std::ios::fmtflags oflags = os.flags (static_cast<std::ios::fmtflags> (std::ios::scientific)); if (tabs) { for (octave_idx_type i = 0; i < m.rows (); i++) { for (octave_idx_type j = 0; j < m.cols (); j++) { // Omit leading tabs. if (j != 0) os << '\t'; octave_write_double (os, m (i, j)); } os << "\n"; } } else os << m; os.flags (oflags); os.precision (old_precision); } return (os && success); } bool looks_like_mat_ascii_file (std::istream& is, const std::string& filename) { bool retval = false; octave_idx_type nr = 0; octave_idx_type nc = 0; get_lines_and_columns (is, nr, nc, filename, true, true); retval = (nr != 0 && nc != 0); return retval; }