Mercurial > octave
annotate libinterp/corefcn/c-file-ptr-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 | 796f54d4ddbf |
children | dfa5d9c3ae72 aac27ad79be6 |
rev | line source |
---|---|
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2000-2022 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 //////////////////////////////////////////////////////////////////////// |
3628 | 25 |
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26 #if ! defined (octave_c_file_ptr_stream_h) |
3628 | 27 #define octave_c_file_ptr_stream_h 1 |
28 | |
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29 #include "octave-config.h" |
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30 |
3775 | 31 #include <cstdio> |
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32 #include <istream> |
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33 |
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34 #if defined (HAVE_ZLIB_H) |
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35 # include <zlib.h> |
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36 #endif |
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37 |
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38 OCTAVE_BEGIN_NAMESPACE(octave) |
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39 |
3628 | 40 class |
4310 | 41 c_file_ptr_buf : public std::streambuf |
3628 | 42 { |
43 public: | |
44 | |
4310 | 45 typedef std::streambuf::int_type int_type; |
3775 | 46 |
3716 | 47 typedef int (*close_fcn) (FILE *); |
48 | |
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49 FILE *stdiofile (void) { return m_f; } |
3628 | 50 |
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51 c_file_ptr_buf (FILE *f, close_fcn cf = file_close) |
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52 : std::streambuf (), m_f (f), m_cf (cf) |
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53 { } |
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55 // No copying! |
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56 |
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57 c_file_ptr_buf (const c_file_ptr_buf&) = delete; |
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58 |
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59 c_file_ptr_buf& operator = (const c_file_ptr_buf&) = delete; |
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60 |
3628 | 61 ~c_file_ptr_buf (void); |
62 | |
3775 | 63 int_type overflow (int_type); |
3628 | 64 |
4310 | 65 int_type underflow (void) { return underflow_common (false); } |
3628 | 66 |
4310 | 67 int_type uflow (void) { return underflow_common (true); } |
3628 | 68 |
3775 | 69 int_type pbackfail (int_type); |
3628 | 70 |
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71 std::streamsize xsputn (const char *, std::streamsize); |
3628 | 72 |
73 std::streamsize xsgetn (char *, std::streamsize); | |
74 | |
75 std::streampos seekoff (std::streamoff, std::ios::seekdir, | |
10313 | 76 std::ios::openmode = std::ios::in | std::ios::out); |
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77 |
3628 | 78 std::streampos seekpos (std::streampos, |
10313 | 79 std::ios::openmode = std::ios::in | std::ios::out); |
3628 | 80 |
81 int sync (void); | |
3644 | 82 |
3652 | 83 int flush (void); |
84 | |
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85 int buf_close (void); |
3652 | 86 |
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87 int file_number () const { return m_f ? fileno (m_f) : -1; } |
3775 | 88 |
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89 int seek (off_t offset, int origin); |
4797 | 90 |
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91 off_t tell (void); |
4797 | 92 |
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93 void clear (void) { if (m_f) clearerr (m_f); } |
4888 | 94 |
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95 static int file_close (FILE *m_f); |
3951 | 96 |
3644 | 97 protected: |
98 | |
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99 FILE *m_f; |
3716 | 100 |
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101 close_fcn m_cf; |
3775 | 102 |
103 private: | |
104 | |
4310 | 105 int_type underflow_common (bool); |
3628 | 106 }; |
107 | |
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108 // FIXME: the following three classes could probably share some code... |
5325 | 109 |
110 template <typename STREAM_T, typename FILE_T, typename BUF_T> | |
3628 | 111 class |
5325 | 112 c_file_ptr_stream : public STREAM_T |
3628 | 113 { |
3644 | 114 public: |
115 | |
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116 c_file_ptr_stream (FILE_T m_f, |
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117 typename BUF_T::close_fcn m_cf = BUF_T::file_close) |
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118 : STREAM_T (nullptr), m_buf (new BUF_T (m_f, m_cf)) |
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119 { STREAM_T::init (m_buf); } |
3644 | 120 |
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121 // No copying! |
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122 |
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123 c_file_ptr_stream (const c_file_ptr_stream&) = delete; |
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124 |
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125 c_file_ptr_stream& operator = (const c_file_ptr_stream&) = delete; |
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126 |
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127 ~c_file_ptr_stream (void) { delete m_buf; m_buf = nullptr; } |
3644 | 128 |
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129 BUF_T * rdbuf (void) { return m_buf; } |
3644 | 130 |
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131 void stream_close (void) { if (m_buf) m_buf->buf_close (); } |
3652 | 132 |
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133 int seek (off_t offset, int origin) |
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134 { return m_buf ? m_buf->seek (offset, origin) : -1; } |
4797 | 135 |
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136 off_t tell (void) { return m_buf ? m_buf->tell () : -1; } |
4797 | 137 |
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138 void clear (void) { if (m_buf) m_buf->clear (); STREAM_T::clear (); } |
4888 | 139 |
3628 | 140 private: |
141 | |
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142 BUF_T *m_buf; |
3628 | 143 }; |
144 | |
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145 typedef c_file_ptr_stream<std::istream, FILE *, c_file_ptr_buf> |
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146 i_c_file_ptr_stream; |
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147 typedef c_file_ptr_stream<std::ostream, FILE *, c_file_ptr_buf> |
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148 o_c_file_ptr_stream; |
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149 typedef c_file_ptr_stream<std::iostream, FILE *, c_file_ptr_buf> |
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150 io_c_file_ptr_stream; |
5325 | 151 |
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152 |
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153 #if defined (HAVE_ZLIB) |
5325 | 154 |
3628 | 155 class |
5325 | 156 c_zfile_ptr_buf : public std::streambuf |
3628 | 157 { |
3644 | 158 public: |
159 | |
5325 | 160 typedef std::streambuf::int_type int_type; |
161 | |
162 typedef int (*close_fcn) (gzFile); | |
163 | |
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164 gzFile stdiofile (void) { return m_f; } |
5325 | 165 |
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166 c_zfile_ptr_buf (gzFile f, close_fcn cf = file_close) |
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167 : std::streambuf (), m_f (f), m_cf (cf) |
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168 { } |
5325 | 169 |
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170 // No copying! |
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171 |
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172 c_zfile_ptr_buf (const c_zfile_ptr_buf&) = delete; |
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173 |
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174 c_zfile_ptr_buf& operator = (const c_zfile_ptr_buf&) = delete; |
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175 |
5325 | 176 ~c_zfile_ptr_buf (void); |
177 | |
178 int_type overflow (int_type); | |
179 | |
180 int_type underflow (void) { return underflow_common (false); } | |
3644 | 181 |
5325 | 182 int_type uflow (void) { return underflow_common (true); } |
183 | |
184 int_type pbackfail (int_type); | |
185 | |
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186 std::streamsize xsputn (const char *, std::streamsize); |
5325 | 187 |
188 std::streamsize xsgetn (char *, std::streamsize); | |
3644 | 189 |
5325 | 190 std::streampos seekoff (std::streamoff, std::ios::seekdir, |
10313 | 191 std::ios::openmode = std::ios::in | std::ios::out); |
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192 |
5325 | 193 std::streampos seekpos (std::streampos, |
10313 | 194 std::ios::openmode = std::ios::in | std::ios::out); |
3644 | 195 |
5325 | 196 int sync (void); |
197 | |
198 int flush (void); | |
199 | |
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200 int buf_close (void); |
5325 | 201 |
202 int file_number () const { return -1; } | |
4326 | 203 |
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204 int seek (off_t offset, int origin) |
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205 { return m_f ? gzseek (m_f, offset, origin) >= 0 : -1; } |
5325 | 206 |
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207 off_t tell (void) { return m_f ? gztell (m_f) : -1; } |
5325 | 208 |
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209 void clear (void) { if (m_f) gzclearerr (m_f); } |
4797 | 210 |
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211 static int file_close (gzFile m_f) { return ::gzclose (m_f); } |
5325 | 212 |
213 protected: | |
4797 | 214 |
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215 gzFile m_f; |
5325 | 216 |
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217 close_fcn m_cf; |
4888 | 218 |
4326 | 219 private: |
220 | |
5325 | 221 int_type underflow_common (bool); |
4326 | 222 }; |
223 | |
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224 typedef c_file_ptr_stream<std::istream, gzFile, c_zfile_ptr_buf> |
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225 i_c_zfile_ptr_stream; |
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226 typedef c_file_ptr_stream<std::ostream, gzFile, c_zfile_ptr_buf> |
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227 o_c_zfile_ptr_stream; |
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228 typedef c_file_ptr_stream<std::iostream, gzFile, c_zfile_ptr_buf> |
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229 io_c_zfile_ptr_stream; |
4326 | 230 |
5325 | 231 #endif |
3628 | 232 |
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233 OCTAVE_END_NAMESPACE(octave) |
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234 |
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235 #if defined (OCTAVE_PROVIDE_DEPRECATED_SYMBOLS) |
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236 |
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237 OCTAVE_DEPRECATED (7, "use 'octave::i_c_file_ptr_stream' instead") |
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238 typedef octave::i_c_file_ptr_stream i_c_file_ptr_stream; |
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239 |
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240 OCTAVE_DEPRECATED (7, "use 'octave::o_c_file_ptr_stream' instead") |
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241 typedef octave::o_c_file_ptr_stream o_c_file_ptr_stream; |
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242 |
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243 OCTAVE_DEPRECATED (7, "use 'octave::io_c_file_ptr_stream' instead") |
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244 typedef octave::io_c_file_ptr_stream io_c_file_ptr_stream; |
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245 |
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246 // FIXME: HAVE_ZLIB is not defined here because we do not (and should |
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247 // not) include config.h in this header file. We need to find a way to |
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248 // define this interface without exposing gzFile. Should this be a |
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249 // private header that can only be used if included after config.h in an |
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250 // Octave source file and not inside another header file? |
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251 |
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252 # if defined (HAVE_ZLIB) |
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253 |
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254 OCTAVE_DEPRECATED (7, "use 'octave::i_c_zfile_ptr_stream' instead") |
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255 typedef octave::c_file_ptr_stream<std::istream, gzFile, octave::c_zfile_ptr_buf> |
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256 i_c_zfile_ptr_stream; |
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257 |
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258 OCTAVE_DEPRECATED (7, "use 'octave::o_c_zfile_ptr_stream' instead") |
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259 typedef octave::c_file_ptr_stream<std::ostream, gzFile, octave::c_zfile_ptr_buf> |
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260 o_c_zfile_ptr_stream; |
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261 |
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262 OCTAVE_DEPRECATED (7, "use 'octave::io_c_zfile_ptr_stream' instead") |
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263 typedef octave::c_file_ptr_stream<std::iostream, gzFile, octave::c_zfile_ptr_buf> |
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264 io_c_zfile_ptr_stream; |
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265 |
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266 # endif |
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267 |
3628 | 268 #endif |
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269 |
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270 #endif |