Mercurial > octave
annotate libinterp/corefcn/oct-stream.h @ 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 | af38813e5b89 |
children | aac27ad79be6 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2022 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
2117 | 25 |
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26 #if ! defined (octave_oct_stream_h) |
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27 #define octave_oct_stream_h 1 |
2117 | 28 |
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29 #include "octave-config.h" |
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30 |
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31 #include <ios> |
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32 #include <iosfwd> |
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33 #include <list> |
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34 #include <map> |
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35 #include <memory> |
2877 | 36 #include <string> |
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38 #include "oct-string.h" |
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39 |
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40 // These only appear as reference arguments or return values. |
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41 |
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42 class Cell; |
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43 class octave_value; |
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44 class octave_value_list; |
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45 class string_vector; |
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46 |
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47 #include "Array-fwd.h" |
2317 | 48 #include "data-conv.h" |
49 #include "mach-info.h" | |
2117 | 50 |
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51 OCTAVE_BEGIN_NAMESPACE(octave) |
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52 |
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53 class interpreter; |
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54 |
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55 // These are only needed as arguments to private functions, so they |
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56 // are also treated as private. |
2117 | 57 |
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58 class scanf_format_elt; |
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59 class scanf_format_list; |
2117 | 60 |
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61 class printf_format_elt; |
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62 class printf_format_list; |
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63 |
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64 // Provide an interface for Octave streams. |
2117 | 65 |
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66 class |
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67 OCTINTERP_API |
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68 base_stream |
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69 { |
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70 friend class stream; |
2117 | 71 |
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72 public: |
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74 base_stream (std::ios::openmode arg_md = std::ios::in | std::ios::out, |
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75 mach_info::float_format ff = mach_info::native_float_format (), |
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76 const std::string& encoding = "utf-8") |
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77 : m_mode (arg_md), m_flt_fmt (ff), m_encoding (encoding), |
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78 m_conv_ostream (nullptr), m_fail (false), m_open_state (true), |
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79 m_errmsg () |
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80 { } |
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82 // No copying! |
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84 base_stream (const base_stream&) = delete; |
2117 | 85 |
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86 base_stream& operator = (const base_stream&) = delete; |
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88 virtual ~base_stream (void) = default; |
2117 | 89 |
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90 // The remaining functions are not specific to input or output only, |
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91 // and must be provided by the derived classes. |
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93 // Position a stream at OFFSET relative to ORIGIN. |
2117 | 94 |
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95 virtual int seek (off_t offset, int origin) = 0; |
2117 | 96 |
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97 // Return current stream position. |
2117 | 98 |
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99 virtual off_t tell (void) = 0; |
2117 | 100 |
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101 // Return TRUE if EOF has been reached on this stream. |
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102 |
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103 virtual bool eof (void) const = 0; |
2117 | 104 |
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105 // The name of the file. |
2117 | 106 |
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107 virtual std::string name (void) const = 0; |
2117 | 108 |
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109 // If the derived class provides this function and it returns a |
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110 // pointer to a valid istream, scanf(), read(), getl(), and gets() |
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111 // will automatically work for this stream. |
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113 virtual std::istream * input_stream (void) { return nullptr; } |
3340 | 114 |
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115 // If the derived class provides this function and it returns a |
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116 // pointer to a valid ostream, flush(), write(), and printf() will |
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117 // automatically work for this stream. |
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119 virtual std::ostream * output_stream (void) { return nullptr; } |
3652 | 120 |
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121 // Return either the original output stream or one wrapped with the |
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122 // encoding facet. |
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123 |
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124 std::ostream * preferred_output_stream (void) |
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125 { |
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126 if (! m_encoding.compare ("utf-8")) |
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127 return output_stream (); |
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128 |
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129 if (m_conv_ostream) |
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130 return m_conv_ostream; |
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131 |
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132 // wrap the output stream with encoding conversion facet |
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133 std::ostream *os = output_stream (); |
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134 if (os && *os) |
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135 { |
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136 convfacet_u8 *facet = new convfacet_u8 (m_encoding); |
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137 std::wbuffer_convert<convfacet_u8, char> *converter |
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138 = new std::wbuffer_convert<convfacet_u8, char> (os->rdbuf (), |
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139 facet); |
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140 m_conv_ostream = new std::ostream (converter); |
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141 } |
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142 |
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143 return (m_conv_ostream ? m_conv_ostream : output_stream ()); |
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144 } |
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145 |
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146 // Return TRUE if this stream is open. |
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147 |
27172 | 148 bool is_open (void) const { return m_open_state; } |
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149 |
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150 virtual void do_close (void) { } |
3340 | 151 |
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152 void close (void) |
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153 { |
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154 if (is_open ()) |
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155 { |
27172 | 156 m_open_state = false; |
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157 do_close (); |
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158 } |
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159 } |
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160 |
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161 virtual int file_number (void) const |
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162 { |
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163 // Kluge alert! |
3145 | 164 |
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165 if (name () == "stdin") |
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166 return 0; |
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167 else if (name () == "stdout") |
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168 return 1; |
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169 else if (name () == "stderr") |
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170 return 2; |
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171 else |
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172 return -1; |
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173 } |
2117 | 174 |
27172 | 175 bool ok (void) const { return ! m_fail; } |
2117 | 176 |
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177 // Return current error message for this stream. |
2117 | 178 |
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179 std::string error (bool clear, int& err_num); |
2117 | 180 |
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181 protected: |
2117 | 182 |
27172 | 183 int mode (void) const { return m_mode; } |
2117 | 184 |
27172 | 185 mach_info::float_format float_format (void) const { return m_flt_fmt; } |
2117 | 186 |
27172 | 187 std::string encoding (void) const { return m_encoding; } |
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188 |
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189 // Set current error state and set fail to TRUE. |
4889 | 190 |
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191 OCTINTERP_API void error (const std::string& msg); |
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192 OCTINTERP_API void error (const std::string& who, const std::string& msg); |
2117 | 193 |
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194 // Clear any error message and set fail to FALSE. |
3340 | 195 |
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196 OCTINTERP_API void clear (void); |
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197 |
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198 // Clear stream state. |
2117 | 199 |
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200 OCTINTERP_API void clearerr (void); |
2117 | 201 |
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202 private: |
2117 | 203 |
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204 // The permission bits for the file. Should be some combination of |
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205 // std::ios::open_mode bits. |
27172 | 206 int m_mode; |
2117 | 207 |
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208 // Data format. |
27172 | 209 mach_info::float_format m_flt_fmt; |
2117 | 210 |
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211 // Code page |
27172 | 212 std::string m_encoding; |
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213 |
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214 // encoding conversion facet |
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215 typedef string::deletable_facet<string::codecvt_u8> convfacet_u8; |
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216 |
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217 // FIXME: Identified by compiler as unused private field. |
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218 // Commented out 10/29/2022. |
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219 // If there are no repercussions, delete entirely. |
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220 // std::wbuffer_convert<convfacet_u8, char> *m_converter; |
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221 |
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222 // wrappers for encoding conversion |
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223 // std::istream *m_conv_istream; |
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224 |
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225 std::ostream *m_conv_ostream; |
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226 |
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227 // TRUE if an error has occurred. |
27172 | 228 bool m_fail; |
2117 | 229 |
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230 // TRUE if this stream is open. |
27172 | 231 bool m_open_state; |
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232 |
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233 // Should contain error message if fail is TRUE. |
27172 | 234 std::string m_errmsg; |
2117 | 235 |
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236 // Functions that are defined for all input streams (input streams |
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237 // are those that define is). |
2117 | 238 |
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239 OCTINTERP_API std::string |
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240 do_gets (octave_idx_type max_len, bool& err, bool strip_newline, |
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241 const std::string& who /* = "gets" */); |
2117 | 242 |
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243 OCTINTERP_API std::string |
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244 getl (octave_idx_type max_len, bool& err, |
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245 const std::string& who /* = "getl" */); |
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246 OCTINTERP_API std::string |
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247 gets (octave_idx_type max_len, bool& err, |
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248 const std::string& who /* = "gets" */); |
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249 OCTINTERP_API off_t |
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250 skipl (off_t count, bool& err, const std::string& who /* = "skipl" */); |
2117 | 251 |
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252 OCTINTERP_API octave_value |
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253 do_scanf (scanf_format_list& fmt_list, octave_idx_type nr, |
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254 octave_idx_type nc, bool one_elt_size_spec, |
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255 octave_idx_type& count, const std::string& who /* = "scanf" */); |
2117 | 256 |
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257 OCTINTERP_API octave_value |
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258 scanf (const std::string& fmt, const Array<double>& size, |
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259 octave_idx_type& count, const std::string& who /* = "scanf" */); |
2215 | 260 |
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261 OCTINTERP_API bool |
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262 do_oscanf (const scanf_format_elt *elt, octave_value&, |
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263 const std::string& who /* = "scanf" */); |
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264 |
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265 OCTINTERP_API octave_value_list |
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266 oscanf (const std::string& fmt, const std::string& who /* = "scanf" */); |
2117 | 267 |
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268 OCTINTERP_API octave_value |
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269 do_textscan (const std::string& fmt, octave_idx_type ntimes, |
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270 const octave_value_list& options, |
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271 const std::string& who, octave_idx_type& count); |
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272 |
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273 // Functions that are defined for all output streams (output streams |
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274 // are those that define os). |
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275 |
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276 OCTINTERP_API int flush (void); |
2117 | 277 |
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278 OCTINTERP_API int |
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279 do_numeric_printf_conv (std::ostream& os, const printf_format_elt *elt, |
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280 int nsa, int sa_1, int sa_2, |
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281 const octave_value& val, |
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282 const std::string& who); |
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283 |
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284 OCTINTERP_API void field_width_error (const std::string& who) const; |
2117 | 285 |
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286 OCTINTERP_API int |
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287 do_printf (printf_format_list& fmt_list, const octave_value_list& args, |
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288 const std::string& who /* = "printf" */); |
2117 | 289 |
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290 OCTINTERP_API int |
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291 printf (const std::string& fmt, const octave_value_list& args, |
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292 const std::string& who /* = "printf" */); |
2117 | 293 |
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294 OCTINTERP_API int |
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295 puts (const std::string& s, const std::string& who /* = "puts" */); |
2117 | 296 |
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297 // We can always do this in terms of seek(), so the derived class |
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298 // only has to provide that. |
2117 | 299 |
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300 OCTINTERP_API void |
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301 invalid_operation (const std::string& who, const char *rw); |
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302 }; |
2117 | 303 |
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304 class |
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305 OCTINTERP_API |
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306 stream |
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307 { |
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308 public: |
2117 | 309 |
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310 // BS must be allocated with new or nullptr. |
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311 stream (base_stream *bs = nullptr) : m_rep (bs) { } |
2117 | 312 |
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313 stream (const stream&) = default; |
3340 | 314 |
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315 stream& operator = (const stream&) = default; |
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316 |
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317 ~stream (void) = default; |
2117 | 318 |
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319 OCTINTERP_API int flush (void); |
2117 | 320 |
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321 OCTINTERP_API std::string |
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322 getl (octave_idx_type max_len, bool& err, |
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323 const std::string& who /* = "getl" */); |
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324 |
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325 OCTINTERP_API std::string |
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326 getl (const octave_value& max_len, bool& err, |
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327 const std::string& who /* = "getl" */); |
2117 | 328 |
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329 OCTINTERP_API std::string |
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330 gets (octave_idx_type max_len, bool& err, |
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331 const std::string& who /* = "gets" */); |
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332 |
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333 OCTINTERP_API std::string |
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334 gets (const octave_value& max_len, bool& err, |
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335 const std::string& who /* = "gets" */); |
2117 | 336 |
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337 OCTINTERP_API off_t |
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338 skipl (off_t count, bool& err, const std::string& who /* = "skipl" */); |
9701 | 339 |
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340 OCTINTERP_API off_t |
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341 skipl (const octave_value& count, bool& err, |
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342 const std::string& who /* = "skipl" */); |
2117 | 343 |
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344 OCTINTERP_API int seek (off_t offset, int origin); |
2117 | 345 |
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346 OCTINTERP_API int |
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347 seek (const octave_value& offset, const octave_value& origin); |
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348 |
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349 OCTINTERP_API off_t tell (void); |
2117 | 350 |
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351 OCTINTERP_API int rewind (void); |
3340 | 352 |
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353 OCTINTERP_API bool is_open (void) const; |
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354 |
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355 OCTINTERP_API void close (void); |
3340 | 356 |
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357 OCTINTERP_API octave_value |
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358 read (const Array<double>& size, octave_idx_type block_size, |
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359 oct_data_conv::data_type input_type, |
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360 oct_data_conv::data_type output_type, |
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361 octave_idx_type skip, mach_info::float_format flt_fmt, |
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362 octave_idx_type& count); |
2117 | 363 |
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364 OCTINTERP_API octave_idx_type |
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365 write (const octave_value& data, octave_idx_type block_size, |
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366 oct_data_conv::data_type output_type, |
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367 octave_idx_type skip, mach_info::float_format flt_fmt); |
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368 |
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369 OCTINTERP_API bool write_bytes (const void *data, std::size_t n_elts); |
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370 |
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371 OCTINTERP_API bool skip_bytes (std::size_t n_elts); |
4944 | 372 |
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373 template <typename T> |
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374 OCTINTERP_API octave_idx_type |
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375 write (const Array<T>& data, octave_idx_type block_size, |
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376 oct_data_conv::data_type output_type, |
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377 octave_idx_type skip, mach_info::float_format flt_fmt); |
2117 | 378 |
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379 OCTINTERP_API octave_value |
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380 scanf (const std::string& fmt, const Array<double>& size, |
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381 octave_idx_type& count, const std::string& who /* = "scanf" */); |
2117 | 382 |
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383 OCTINTERP_API octave_value |
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384 scanf (const octave_value& fmt, const Array<double>& size, |
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385 octave_idx_type& count, const std::string& who /* = "scanf" */); |
5279 | 386 |
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387 OCTINTERP_API octave_value_list |
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388 oscanf (const std::string& fmt, const std::string& who /* = "scanf" */); |
2215 | 389 |
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390 OCTINTERP_API octave_value_list |
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391 oscanf (const octave_value& fmt, const std::string& who /* = "scanf" */); |
5279 | 392 |
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393 OCTINTERP_API octave_value |
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394 textscan (const std::string& fmt, octave_idx_type ntimes, |
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395 const octave_value_list& options, |
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396 const std::string& who, octave_idx_type& count); |
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397 |
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398 OCTINTERP_API int |
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399 printf (const std::string& fmt, const octave_value_list& args, |
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400 const std::string& who /* = "printf" */); |
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401 |
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402 OCTINTERP_API int |
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403 printf (const octave_value& fmt, const octave_value_list& args, |
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404 const std::string& who /* = "printf" */); |
5279 | 405 |
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406 OCTINTERP_API int |
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407 puts (const std::string& s, const std::string& who /* = "puts" */); |
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408 OCTINTERP_API int |
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409 puts (const octave_value& s, const std::string& who /* = "puts" */); |
2117 | 410 |
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411 OCTINTERP_API bool eof (void) const; |
2117 | 412 |
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413 OCTINTERP_API std::string error (bool clear, int& err_num); |
2117 | 414 |
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415 std::string error (bool clear = false) |
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416 { |
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417 int err_num; |
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418 return error (clear, err_num); |
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419 } |
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420 |
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421 // Set the error message and state. |
2117 | 422 |
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423 void error (const std::string& msg) |
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424 { |
27172 | 425 if (m_rep) |
426 m_rep->error (msg); | |
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427 } |
4799 | 428 |
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429 void error (const char *msg) { error (std::string (msg)); } |
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430 |
27172 | 431 int file_number (void) { return m_rep ? m_rep->file_number () : -1; } |
4799 | 432 |
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433 bool is_valid (void) const { return bool (m_rep); } |
4799 | 434 |
27172 | 435 bool ok (void) const { return m_rep && m_rep->ok (); } |
3145 | 436 |
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437 operator bool () const { return ok (); } |
3340 | 438 |
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439 OCTINTERP_API std::string name (void) const; |
2117 | 440 |
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441 OCTINTERP_API int mode (void) const; |
2117 | 442 |
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443 OCTINTERP_API mach_info::float_format float_format (void) const; |
2117 | 444 |
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445 OCTINTERP_API static std::string mode_as_string (int mode); |
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446 |
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447 std::string encoding (void) |
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448 { |
27172 | 449 return m_rep ? m_rep->encoding () : std::string (); |
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450 } |
2117 | 451 |
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452 std::istream * input_stream (void) |
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453 { |
27172 | 454 return m_rep ? m_rep->input_stream () : nullptr; |
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455 } |
2117 | 456 |
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457 std::ostream * output_stream (void) |
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458 { |
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459 return (m_rep ? m_rep->preferred_output_stream () : nullptr); |
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460 } |
2902 | 461 |
27172 | 462 void clearerr (void) { if (m_rep) m_rep->clearerr (); } |
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463 |
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464 private: |
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465 |
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466 // The actual representation of this stream. |
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467 std::shared_ptr<base_stream> m_rep; |
4889 | 468 |
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469 bool stream_ok (bool clear = true) const |
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470 { |
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471 bool retval = true; |
2117 | 472 |
27172 | 473 if (m_rep) |
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474 { |
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475 if (clear) |
27172 | 476 m_rep->clear (); |
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477 } |
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478 else |
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479 retval = false; |
2117 | 480 |
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481 return retval; |
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482 } |
5659 | 483 |
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484 void invalid_operation (const std::string& who, const char *rw) |
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485 { |
27172 | 486 if (m_rep) |
487 m_rep->invalid_operation (who, rw); | |
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488 } |
5659 | 489 |
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490 OCTINTERP_API octave_value |
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491 finalize_read (std::list<void *>& input_buf_list, |
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492 octave_idx_type input_buf_elts, |
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493 octave_idx_type elts_read, |
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494 octave_idx_type nr, octave_idx_type nc, |
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495 oct_data_conv::data_type input_type, |
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496 oct_data_conv::data_type output_type, |
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497 mach_info::float_format ffmt); |
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498 }; |
4944 | 499 |
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500 class |
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501 OCTINTERP_API |
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502 stream_list |
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503 { |
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504 public: |
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505 |
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506 OCTINTERP_API stream_list (interpreter& interp); |
2117 | 507 |
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508 stream_list (const stream_list&) = delete; |
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509 stream_list& operator = (const stream_list&) = delete; |
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510 |
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511 OCTINTERP_API ~stream_list (void); |
2117 | 512 |
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513 OCTINTERP_API int insert (stream& os); |
2117 | 514 |
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515 OCTINTERP_API stream lookup (int fid, const std::string& who = "") const; |
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516 OCTINTERP_API stream |
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517 lookup (const octave_value& fid, const std::string& who = "") const; |
2117 | 518 |
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519 OCTINTERP_API int remove (int fid, const std::string& who = ""); |
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520 OCTINTERP_API int remove (const octave_value& fid, |
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521 const std::string& who = ""); |
2117 | 522 |
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523 OCTINTERP_API void clear (bool flush = true); |
4468 | 524 |
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525 OCTINTERP_API string_vector get_info (int fid) const; |
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526 OCTINTERP_API string_vector get_info (const octave_value& fid) const; |
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527 |
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528 OCTINTERP_API std::string list_open_files (void) const; |
2117 | 529 |
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530 OCTINTERP_API octave_value open_file_numbers (void) const; |
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531 |
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532 OCTINTERP_API int get_file_number (const octave_value& fid) const; |
2117 | 533 |
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534 OCTINTERP_API octave_value stdin_file (void) const; |
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535 OCTINTERP_API octave_value stdout_file (void) const; |
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536 OCTINTERP_API octave_value stderr_file (void) const; |
2117 | 537 |
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538 private: |
2117 | 539 |
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540 typedef std::map<int, stream> ostrl_map; |
2117 | 541 |
27172 | 542 ostrl_map m_list; |
2117 | 543 |
27172 | 544 mutable ostrl_map::const_iterator m_lookup_cache; |
2609 | 545 |
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546 int m_stdin_file; |
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547 int m_stdout_file; |
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548 int m_stderr_file; |
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549 }; |
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550 |
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551 OCTAVE_END_NAMESPACE(octave) |
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552 |
2117 | 553 #endif |