Mercurial > octave
annotate libinterp/corefcn/ls-oct-text.cc @ 21724:aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
* configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc,
ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc,
GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc,
MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc,
ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc,
PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc,
ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc,
octave-txt-lexer.cc, main-window.cc, octave-cmd.cc,
octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc,
workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc,
__lin_interpn__.cc, __luinc__.cc, __magick_read__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc,
bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc,
error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc,
file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc,
gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc,
help.cc, hess.cc, hex2num.cc, input.cc, 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-save.cc, lookup.cc, ls-ascii-helper.cc,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h,
mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc,
oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll,
oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc,
pinv.cc, pr-output.cc, procstream.cc, profiler.cc, 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, siglist.c,
siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc,
sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc,
time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc,
urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc,
xpow.cc, zfstream.cc, zfstream.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, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc,
ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc,
ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc,
ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc,
ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc,
ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc,
ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc,
ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, 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-cdm-cm.cc, op-cdm-dm.cc,
op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc,
op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.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-cdm.cc, op-dm-cm.cc,
op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc,
op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc,
op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.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-fcdm.cc, op-fdm-fcm.cc,
op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.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-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc,
op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.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,
lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc,
pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc,
pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc,
pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc,
pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc,
pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc,
version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc,
Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc,
Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc,
CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc,
CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc,
MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc,
MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc,
Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc,
chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc,
dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc,
dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc,
fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc,
int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc,
uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc,
f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h,
liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc,
chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc,
lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc,
oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc,
randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk,
mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc,
mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc,
kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc,
oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h,
oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h,
oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc,
statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc,
acinclude.m4, display-available.c, display-available.h, main-cli.cc,
main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc,
octave-config.in.cc, shared-fcns.h:
Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 17 May 2016 12:09:30 -0400 |
parents | 40de9f8f23a6 |
children | b571fc85953f |
rev | line source |
---|---|
4634 | 1 /* |
2 | |
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3 Copyright (C) 1996-2015 John W. Eaton |
4634 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
4634 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
4634 | 20 |
21 */ | |
22 | |
23 // Author: John W. Eaton. | |
24 | |
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25 #if defined (HAVE_CONFIG_H) |
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26 # include "config.h" |
4634 | 27 #endif |
28 | |
29 #include <cstring> | |
30 #include <cctype> | |
31 | |
32 #include <fstream> | |
33 #include <iomanip> | |
34 #include <iostream> | |
5765 | 35 #include <sstream> |
4634 | 36 #include <string> |
37 | |
38 #include "byte-swap.h" | |
39 #include "data-conv.h" | |
40 #include "file-ops.h" | |
41 #include "glob-match.h" | |
42 #include "lo-mappers.h" | |
43 #include "mach-info.h" | |
44 #include "oct-env.h" | |
45 #include "oct-time.h" | |
46 #include "quit.h" | |
47 #include "str-vec.h" | |
48 | |
49 #include "Cell.h" | |
50 #include "defun.h" | |
51 #include "error.h" | |
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52 #include "errwarn.h" |
4634 | 53 #include "load-save.h" |
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54 #include "ls-ascii-helper.h" |
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55 #include "ls-oct-text.h" |
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56 #include "ovl.h" |
4634 | 57 #include "oct-map.h" |
58 #include "ov-cell.h" | |
59 #include "pager.h" | |
60 #include "pt-exp.h" | |
61 #include "unwind-prot.h" | |
62 #include "utils.h" | |
63 #include "variables.h" | |
64 #include "version.h" | |
65 #include "dMatrix.h" | |
66 | |
67 // The number of decimal digits to use when writing ascii data. | |
5951 | 68 static int Vsave_precision = 16; |
4634 | 69 |
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70 // Functions for reading octave format text data. |
4634 | 71 |
72 // Extract a KEYWORD and its value from stream IS, returning the | |
73 // associated value in a new string. | |
74 // | |
75 // Input should look something like: | |
76 // | |
77 // [%#][ \t]*keyword[ \t]*:[ \t]*string-value[ \t]*\n | |
78 | |
79 std::string | |
4687 | 80 extract_keyword (std::istream& is, const char *keyword, const bool next_only) |
4634 | 81 { |
82 std::string retval; | |
83 | |
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84 int ch = is.peek (); |
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85 if (next_only && ch != '%' && ch != '#') |
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86 return retval; |
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87 |
4634 | 88 char c; |
89 while (is.get (c)) | |
90 { | |
91 if (c == '%' || c == '#') | |
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92 { |
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93 std::ostringstream buf; |
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94 |
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95 while (is.get (c) && (c == ' ' || c == '\t' || c == '%' || c == '#')) |
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96 ; // Skip whitespace and comment characters. |
4634 | 97 |
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98 if (isalpha (c)) |
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99 buf << c; |
4634 | 100 |
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101 while (is.get (c) && isalpha (c)) |
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102 buf << c; |
4634 | 103 |
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104 std::string tmp = buf.str (); |
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105 bool match = (tmp.substr (0, strlen (keyword)) == keyword); |
4634 | 106 |
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107 if (match) |
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108 { |
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109 std::ostringstream value; |
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110 while (is.get (c) && (c == ' ' || c == '\t' || c == ':')) |
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111 ; // Skip whitespace and the colon. |
4634 | 112 |
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113 is.putback (c); |
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114 retval = read_until_newline (is, false); |
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115 break; |
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116 } |
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117 else if (next_only) |
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118 break; |
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119 else |
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120 skip_until_newline (is, false); |
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121 } |
4634 | 122 } |
123 | |
124 int len = retval.length (); | |
125 | |
126 if (len > 0) | |
127 { | |
128 while (len) | |
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129 { |
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130 c = retval[len-1]; |
4634 | 131 |
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132 if (c == ' ' || c == '\t') |
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133 len--; |
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134 else |
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135 { |
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136 retval.resize (len); |
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137 break; |
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138 } |
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139 } |
4634 | 140 } |
141 | |
142 return retval; | |
143 } | |
144 | |
145 // Extract one value (scalar, matrix, string, etc.) from stream IS and | |
146 // place it in TC, returning the name of the variable. If the value | |
147 // is tagged as global in the file, return TRUE in GLOBAL. | |
148 // | |
4687 | 149 // Each type supplies its own function to load the data, and so this |
150 // function is extensible. | |
151 // | |
4634 | 152 // FILENAME is used for error messages. |
153 // | |
154 // The data is expected to be in the following format: | |
155 // | |
156 // The input file must have a header followed by some data. | |
157 // | |
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158 // All lines in the header must begin with a '#' character. |
4634 | 159 // |
160 // The header must contain a list of keyword and value pairs with the | |
161 // keyword and value separated by a colon. | |
162 // | |
163 // Keywords must appear in the following order: | |
164 // | |
165 // # name: <name> | |
166 // # type: <type> | |
167 // # <info> | |
168 // | |
4687 | 169 // Where, for the built in types are: |
4634 | 170 // |
171 // <name> : a valid identifier | |
172 // | |
173 // <type> : <typename> | |
174 // | global <typename> | |
175 // | |
176 // <typename> : scalar | |
177 // | complex scalar | |
178 // | matrix | |
179 // | complex matrix | |
4687 | 180 // | bool |
181 // | bool matrix | |
4634 | 182 // | string |
183 // | range | |
184 // | |
185 // <info> : <matrix info> | |
186 // | <string info> | |
187 // | |
188 // <matrix info> : # rows: <integer> | |
189 // : # columns: <integer> | |
190 // | |
4687 | 191 // <string info> : # elements: <integer> |
192 // : # length: <integer> (once before each string) | |
4634 | 193 // |
4687 | 194 // For backward compatibility the type "string array" is treated as a |
195 // "string" type. Also "string" can have a single element with no elements | |
196 // line such that | |
197 // | |
198 // <string info> : # length: <integer> | |
4634 | 199 // |
200 // Formatted ASCII data follows the header. | |
201 // | |
202 // Example: | |
203 // | |
204 // # name: foo | |
205 // # type: matrix | |
206 // # rows: 2 | |
207 // # columns: 2 | |
208 // 2 4 | |
209 // 1 3 | |
210 // | |
211 // Example: | |
212 // | |
213 // # name: foo | |
4687 | 214 // # type: string |
4634 | 215 // # elements: 5 |
216 // # length: 4 | |
217 // this | |
218 // # length: 2 | |
219 // is | |
220 // # length: 1 | |
221 // a | |
222 // # length: 6 | |
223 // string | |
224 // # length: 5 | |
225 // array | |
226 // | |
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227 // FIXME: This format is fairly rigid, and doesn't allow for arbitrary comments. |
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228 // Someone should fix that. It does allow arbitrary types however. |
4634 | 229 |
230 // Ugh. The signature of the compare method is not standard in older | |
231 // versions of the GNU libstdc++. Do this instead: | |
232 | |
233 #define SUBSTRING_COMPARE_EQ(s, pos, n, t) (s.substr (pos, n) == t) | |
234 | |
235 std::string | |
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236 read_text_data (std::istream& is, const std::string& filename, bool& global, |
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237 octave_value& tc, octave_idx_type count) |
4634 | 238 { |
239 // Read name for this entry or break on EOF. | |
240 | |
241 std::string name = extract_keyword (is, "name"); | |
242 | |
243 if (name.empty ()) | |
244 { | |
245 if (count == 0) | |
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246 error ("load: empty name keyword or no data found in file '%s'", |
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247 filename.c_str ()); |
4634 | 248 |
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249 return ""; |
4634 | 250 } |
251 | |
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252 if (! (name == ".nargin." || name == ".nargout." |
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253 || name == CELL_ELT_TAG || valid_identifier (name))) |
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254 error ("load: invalid identifier '%s' found in file '%s'", |
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255 name.c_str (), filename.c_str ()); |
4634 | 256 |
257 // Look for type keyword. | |
258 | |
259 std::string tag = extract_keyword (is, "type"); | |
260 | |
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261 if (tag.empty ()) |
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262 error ("load: failed to extract keyword specifying value type"); |
4634 | 263 |
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264 std::string typ; |
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265 size_t pos = tag.rfind (' '); |
4634 | 266 |
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267 if (pos != std::string::npos) |
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268 { |
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269 global = SUBSTRING_COMPARE_EQ (tag, 0, 6, "global"); |
4634 | 270 |
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271 typ = global ? tag.substr (7) : tag; |
4634 | 272 } |
273 else | |
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274 typ = tag; |
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275 |
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276 // Special case for backward compatibility. A small bit of cruft |
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277 if (SUBSTRING_COMPARE_EQ (typ, 0, 12, "string array")) |
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278 tc = charMatrix (); |
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279 else |
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280 tc = octave_value_typeinfo::lookup_type (typ); |
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281 |
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282 if (! tc.load_ascii (is)) |
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283 error ("load: trouble reading ascii file '%s'", filename.c_str ()); |
4634 | 284 |
285 return name; | |
286 } | |
287 | |
288 // Save the data from TC along with the corresponding NAME, and global | |
289 // flag MARK_AS_GLOBAL on stream OS in the plain text format described | |
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290 // above for load_text_data. If NAME is empty, the name: line is not |
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291 // generated. PRECISION specifies the number of decimal digits to print. |
4634 | 292 // |
293 // Assumes ranges and strings cannot contain Inf or NaN values. | |
294 // | |
295 // Returns 1 for success and 0 for failure. | |
296 | |
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297 // FIXME: should probably write the help string here too. |
4634 | 298 |
299 bool | |
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300 save_text_data (std::ostream& os, const octave_value& val_arg, |
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301 const std::string& name, bool mark_as_global, |
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302 int precision) |
4634 | 303 { |
304 bool success = true; | |
305 | |
306 if (! name.empty ()) | |
307 os << "# name: " << name << "\n"; | |
308 | |
309 octave_value val = val_arg; | |
310 | |
4687 | 311 if (mark_as_global) |
312 os << "# type: global " << val.type_name () << "\n"; | |
313 else | |
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314 os << "# type: " << val.type_name () << "\n"; |
4634 | 315 |
5951 | 316 if (! precision) |
317 precision = Vsave_precision; | |
318 | |
319 long old_precision = os.precision (); | |
320 os.precision (precision); | |
321 | |
6974 | 322 success = val.save_ascii (os); |
4634 | 323 |
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324 // Insert an extra pair of newline characters after the data so that |
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325 // multiple data elements may be handled separately by gnuplot (see |
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326 // the description of the index qualifier for the plot command in the |
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327 // gnuplot documentation). |
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328 os << "\n\n"; |
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329 |
4634 | 330 os.precision (old_precision); |
331 | |
332 return (os && success); | |
333 } | |
334 | |
335 bool | |
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336 save_text_data_for_plotting (std::ostream& os, const octave_value& t, |
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337 const std::string& name) |
4634 | 338 { |
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339 return save_text_data (os, t, name, false, 6); |
4634 | 340 } |
341 | |
342 // Maybe this should be a static function in tree-plot.cc? | |
343 | |
344 // If TC is matrix, save it on stream OS in a format useful for | |
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345 // making a 3-D plot with gnuplot. If PARAMETRIC is TRUE, |
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346 // assume a parametric 3-D plot will be generated. |
4634 | 347 |
348 bool | |
349 save_three_d (std::ostream& os, const octave_value& tc, bool parametric) | |
350 { | |
351 bool fail = false; | |
352 | |
5275 | 353 octave_idx_type nr = tc.rows (); |
354 octave_idx_type nc = tc.columns (); | |
4634 | 355 |
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356 if (! tc.is_real_matrix ()) |
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357 error ("for now, I can only save real matrices in 3-D format"); |
4634 | 358 |
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359 os << "# 3-D data...\n" |
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360 << "# type: matrix\n" |
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361 << "# total rows: " << nr << "\n" |
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362 << "# total columns: " << nc << "\n"; |
6171 | 363 |
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364 long old_precision = os.precision (); |
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365 os.precision (6); |
4634 | 366 |
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367 if (parametric) |
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368 { |
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369 octave_idx_type extras = nc % 3; |
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370 if (extras) |
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371 warning ("ignoring last %d columns", extras); |
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372 |
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373 Matrix tmp = tc.matrix_value (); |
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374 nr = tmp.rows (); |
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375 |
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376 for (octave_idx_type i = 0; i < nc-extras; i += 3) |
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377 { |
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378 os << tmp.extract (0, i, nr-1, i+2); |
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379 if (i+3 < nc-extras) |
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380 os << "\n"; |
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381 } |
4634 | 382 } |
383 else | |
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384 { |
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385 Matrix tmp = tc.matrix_value (); |
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386 nr = tmp.rows (); |
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387 |
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388 for (octave_idx_type i = 0; i < nc; i++) |
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389 { |
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390 os << tmp.extract (0, i, nr-1, i); |
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391 if (i+1 < nc) |
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392 os << "\n"; |
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393 } |
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394 } |
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395 |
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396 os.precision (old_precision); |
4634 | 397 |
398 return (os && ! fail); | |
399 } | |
400 | |
5794 | 401 DEFUN (save_precision, args, nargout, |
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402 "-*- texinfo -*-\n\ |
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403 @deftypefn {} {@var{val} =} save_precision ()\n\ |
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404 @deftypefnx {} {@var{old_val} =} save_precision (@var{new_val})\n\ |
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405 @deftypefnx {} {} save_precision (@var{new_val}, \"local\")\n\ |
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406 Query or set the internal variable that specifies the number of digits to\n\ |
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407 keep when saving data in text format.\n\ |
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408 \n\ |
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409 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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410 variable is changed locally for the function and any subroutines it calls.\n\ |
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411 The original variable value is restored when exiting the function.\n\ |
5794 | 412 @end deftypefn") |
4634 | 413 { |
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414 return SET_INTERNAL_VARIABLE_WITH_LIMITS (save_precision, -1, |
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415 std::numeric_limits<int>::max ()); |
4634 | 416 } |