Mercurial > octave
view liboctave/util/cmd-hist.cc @ 31605:e88a07dec498 stable
maint: Use macros to begin/end C++ namespaces.
* oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE,
OCTAVE_END_NAMESPACE) that can be used to start/end a namespace.
* mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc,
__dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc,
__ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc,
auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h,
besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc,
colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc,
defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc,
display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h,
event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc,
fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc,
ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc,
getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc,
gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc,
graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc,
help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h,
interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h,
inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc,
latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h,
lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h,
mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc,
oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h,
oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h,
oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h,
oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy,
ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc,
pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc,
qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h,
sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc,
sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h,
stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h,
text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc,
toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc,
url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h,
__delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc,
audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh,
mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc,
cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h,
cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h,
cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h,
ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc,
ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h,
ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc,
op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc,
op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc,
op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc,
op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc,
op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc,
op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc,
op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc,
op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc,
op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc,
op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc,
op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc,
op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h,
anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h,
comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc,
oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h,
pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h,
pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h,
pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h,
pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h,
pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc,
pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc,
pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc,
pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc,
pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc,
pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc,
pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h,
pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h,
range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc,
chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h,
lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h,
oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h,
oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc,
qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc,
randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc,
sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc,
child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc,
file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h,
mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h,
oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc,
oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h,
base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h,
file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc,
lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h,
oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h,
oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h,
oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h,
pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h,
url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 01 Dec 2022 14:23:45 -0800 |
parents | 6a5e4ef80a95 |
children | aac27ad79be6 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cstring> #include <fstream> #include <sstream> #include <string> #include "cmd-edit.h" #include "cmd-hist.h" #include "file-ops.h" #include "lo-error.h" #include "lo-sysdep.h" #include "singleton-cleanup.h" #include "str-vec.h" #if defined (USE_READLINE) #include <cstdlib> #include "oct-rl-hist.h" #include "file-ops.h" #include "file-stat.h" #endif OCTAVE_BEGIN_NAMESPACE(octave) command_history *command_history::s_instance = nullptr; #if defined (USE_READLINE) class gnu_history : public command_history { public: gnu_history (void) : command_history (), mark (0) { } ~gnu_history (void) = default; void do_process_histcontrol (const std::string&); std::string do_histcontrol (void) const; bool do_add (const std::string&); void do_remove (int); void do_clear (void); int do_where (void) const; int do_length (void) const; int do_max_input_history (void) const; int do_base (void) const; int do_current_number (void) const; void do_stifle (int); int do_unstifle (void); int do_is_stifled (void) const; void do_set_mark (int); int do_goto_mark (void); void do_read (const std::string&, bool); void do_read_range (const std::string&, int, int, bool); void do_write (const std::string&) const; void do_append (const std::string&); void do_truncate_file (const std::string&, int) const; string_vector do_list (int, bool) const; std::string do_get_entry (int) const; void do_replace_entry (int, const std::string&); void do_clean_up_and_save (const std::string&, int); private: int mark; }; void gnu_history::do_process_histcontrol (const std::string& control_arg) { m_history_control = 0; std::size_t len = control_arg.length (); std::size_t beg = 0; while (beg < len) { if (control_arg[beg] == ':') beg++; else { std::size_t end = control_arg.find (':', beg); if (end == std::string::npos) end = len; std::string tmp = control_arg.substr (beg, end-beg); if (tmp == "erasedups") m_history_control |= HC_ERASEDUPS; else if (tmp == "ignoreboth") m_history_control |= (HC_IGNDUPS | HC_IGNSPACE); else if (tmp == "ignoredups") m_history_control |= HC_IGNDUPS; else if (tmp == "ignorespace") m_history_control |= HC_IGNSPACE; else (*current_liboctave_warning_with_id_handler) ("Octave:history-control", "unknown histcontrol directive %s", tmp.c_str ()); if (end != std::string::npos) beg = end + 1; } } } std::string gnu_history::do_histcontrol (void) const { // FIXME: instead of reconstructing this value, should we just save // the string we were given when constructing the command_history object? std::string retval; if (m_history_control & HC_IGNSPACE) retval.append ("ignorespace"); if (m_history_control & HC_IGNDUPS) { if (retval.length () > 0) retval += ':'; retval.append ("ignoredups"); } if (m_history_control & HC_ERASEDUPS) { if (retval.length () > 0) retval += ':'; retval.append ("erasedups"); } return retval; } bool gnu_history::do_add (const std::string& s) { if (! do_ignoring_entries ()) { if (s.empty () || (s.length () == 1 && (s[0] == '\r' || s[0] == '\n'))) return false; // Strip newline before adding to list std::string stmp = s; if (stmp.back () == '\n') stmp.pop_back (); int added = ::octave_add_history (stmp.c_str (), m_history_control); m_lines_this_session += added; return added > 0 ? true : false; } return false; } void gnu_history::do_remove (int n) { ::octave_remove_history (n); } void gnu_history::do_clear (void) { ::octave_clear_history (); } int gnu_history::do_where (void) const { return ::octave_where_history (); } int gnu_history::do_length (void) const { return ::octave_history_length (); } int gnu_history::do_max_input_history (void) const { return ::octave_max_input_history (); } int gnu_history::do_base (void) const { return ::octave_history_base (); } int gnu_history::do_current_number (void) const { return m_size > 0 ? do_base () + do_where () : -1; } void gnu_history::do_stifle (int n) { ::octave_stifle_history (n); } int gnu_history::do_unstifle (void) { return ::octave_unstifle_history (); } int gnu_history::do_is_stifled (void) const { return ::octave_history_is_stifled (); } void gnu_history::do_set_mark (int n) { mark = n; } int gnu_history::do_goto_mark (void) { if (mark) { char *line = ::octave_history_goto_mark (mark); if (line) { command_editor::insert_text (line); command_editor::clear_undo_list (); } } mark = 0; // FIXME: for operate_and_get_next. command_editor::remove_startup_hook (command_history::goto_mark); return 0; } void gnu_history::do_read (const std::string& f, bool must_exist) { if (! f.empty ()) { int status = ::octave_read_history (f.c_str ()); if (status != 0 && must_exist) { std::string msg = "reading file '" + f + "'"; error (status, msg); } else { m_lines_in_file = do_where (); ::octave_using_history (); } } else error ("gnu_history::read: missing filename"); } void gnu_history::do_read_range (const std::string& f, int from, int to, bool must_exist) { if (from < 0) from = m_lines_in_file; if (! f.empty ()) { int status = ::octave_read_history_range (f.c_str (), from, to); if (status != 0 && must_exist) { std::ostringstream buf; buf << "reading lines " << from << " to " << to << " from file '" << f << "'"; error (status, buf.str ()); } else { m_lines_in_file = do_where (); ::octave_using_history (); } } else error ("gnu_history::read_range: missing filename"); } void gnu_history::do_write (const std::string& f_arg) const { if (m_initialized) { std::string f = f_arg; if (f.empty ()) f = m_file; if (! f.empty ()) { // Try to create the folder if it does not exist std::string hist_dir = sys::file_ops::dirname (f); if (! hist_dir.empty ()) { sys::file_stat fs (hist_dir); if (! fs.is_dir () && (sys::recursive_mkdir (hist_dir, 0777) < 0)) (*current_liboctave_error_handler) ("%s: Could not create directory \"%s\" for history", "gnu_history::do_write", hist_dir.c_str ()); } int status = ::octave_write_history (f.c_str ()); if (status != 0) { std::string msg = "writing file '" + f + "'"; error (status, msg); } } else error ("gnu_history::write: missing filename"); } } void gnu_history::do_append (const std::string& f_arg) { if (m_initialized) { if (m_lines_this_session) { if (m_lines_this_session < do_where ()) { // Create file if it doesn't already exist. std::string f = f_arg; if (f.empty ()) f = m_file; if (! f.empty ()) { sys::file_stat fs (f); if (! fs) { std::ofstream tmp = sys::ofstream (f, std::ios::out); tmp.close (); } int status = ::octave_append_history (m_lines_this_session, f.c_str ()); if (status != 0) { std::string msg = "appending to file '" + f_arg + "'"; error (status, msg); } else m_lines_in_file += m_lines_this_session; m_lines_this_session = 0; } else error ("gnu_history::append: missing filename"); } } } } void gnu_history::do_truncate_file (const std::string& f_arg, int n) const { if (m_initialized) { std::string f = f_arg; if (f.empty ()) f = m_file; if (! f.empty ()) ::octave_history_truncate_file (f.c_str (), n); else error ("gnu_history::truncate_file: missing filename"); } } string_vector gnu_history::do_list (int limit, bool number_lines) const { string_vector retval; if (limit) retval = ::octave_history_list (limit, number_lines); return retval; } std::string gnu_history::do_get_entry (int n) const { std::string retval; char *line = ::octave_history_get (do_base () + n); if (line) retval = line; return retval; } void gnu_history::do_replace_entry (int which, const std::string& line) { ::octave_replace_history_entry (which, line.c_str ()); } void gnu_history::do_clean_up_and_save (const std::string& f_arg, int n) { if (m_initialized) { std::string f = f_arg; if (f.empty ()) f = m_file; if (! f.empty ()) { if (n < 0) n = m_size; stifle (n); do_write (f.c_str ()); } else error ("gnu_history::clean_up_and_save: missing filename"); } } #endif bool command_history::instance_ok (void) { bool retval = true; if (! s_instance) { make_command_history (); if (s_instance) singleton_cleanup_list::add (cleanup_instance); } if (! s_instance) (*current_liboctave_error_handler) ("unable to create command history object!"); return retval; } void command_history::make_command_history (void) { #if defined (USE_READLINE) s_instance = new gnu_history (); #else s_instance = new command_history (); #endif } void command_history::initialize (bool read_history_file, const std::string& f_arg, int sz, const std::string & control_arg) { if (instance_ok ()) s_instance->do_initialize (read_history_file, f_arg, sz, control_arg); } bool command_history::is_initialized (void) { // We just want to check the status of an existing instance, not // create one. return s_instance && s_instance->do_is_initialized (); } void command_history::set_file (const std::string& f_arg) { if (instance_ok ()) { std::string f = sys::file_ops::tilde_expand (f_arg); s_instance->do_set_file (f); } } std::string command_history::file (void) { return instance_ok () ? s_instance->do_file () : ""; } void command_history::process_histcontrol (const std::string& control_arg) { if (instance_ok ()) s_instance->do_process_histcontrol (control_arg); } std::string command_history::histcontrol (void) { return instance_ok () ? s_instance->do_histcontrol () : ""; } void command_history::set_size (int n) { if (instance_ok ()) s_instance->do_set_size (n); } int command_history::size (void) { return instance_ok () ? s_instance->do_size () : 0; } void command_history::ignore_entries (bool flag) { if (instance_ok ()) s_instance->do_ignore_entries (flag); } bool command_history::ignoring_entries (void) { return instance_ok () ? s_instance->do_ignoring_entries () : false; } bool command_history::add (const std::string& s) { if (instance_ok ()) return s_instance->do_add (s); return false; } void command_history::remove (int n) { if (instance_ok ()) s_instance->do_remove (n); } void command_history::clear (void) { if (instance_ok ()) s_instance->do_clear (); } int command_history::where (void) { return instance_ok () ? s_instance->do_where () : 0; } int command_history::length (void) { return instance_ok () ? s_instance->do_length () : 0; } int command_history::max_input_history (void) { return instance_ok () ? s_instance->do_max_input_history () : 0; } int command_history::base (void) { return instance_ok () ? s_instance->do_base () : 0; } int command_history::current_number (void) { return instance_ok () ? s_instance->do_current_number () : 0; } void command_history::stifle (int n) { if (instance_ok ()) s_instance->do_stifle (n); } int command_history::unstifle (void) { return instance_ok () ? s_instance->do_unstifle () : 0; } int command_history::is_stifled (void) { return instance_ok () ? s_instance->do_is_stifled () : 0; } void command_history::set_mark (int n) { if (instance_ok ()) s_instance->do_set_mark (n); } int command_history::goto_mark (void) { return instance_ok () ? s_instance->do_goto_mark () : 0; } void command_history::read (bool must_exist) { read (file (), must_exist); } void command_history::read (const std::string& f, bool must_exist) { if (instance_ok ()) s_instance->do_read (f, must_exist); } void command_history::read_range (int from, int to, bool must_exist) { read_range (file (), from, to, must_exist); } void command_history::read_range (const std::string& f, int from, int to, bool must_exist) { if (instance_ok ()) s_instance->do_read_range (f, from, to, must_exist); } void command_history::write (const std::string& f) { if (instance_ok ()) s_instance->do_write (f); } void command_history::append (const std::string& f) { if (instance_ok ()) s_instance->do_append (f); } void command_history::truncate_file (const std::string& f, int n) { if (instance_ok ()) s_instance->do_truncate_file (f, n); } string_vector command_history::list (int limit, bool number_lines) { return (instance_ok () ? s_instance->do_list (limit, number_lines) : string_vector ()); } std::string command_history::get_entry (int n) { return instance_ok () ? s_instance->do_get_entry (n) : ""; } void command_history::replace_entry (int which, const std::string& line) { if (instance_ok ()) s_instance->do_replace_entry (which, line); } void command_history::clean_up_and_save (const std::string& f, int n) { if (instance_ok ()) s_instance->do_clean_up_and_save (f, n); } void command_history::do_process_histcontrol (const std::string&) { } void command_history::do_initialize (bool read_history_file, const std::string& f_arg, int sz, const std::string & control_arg) { command_history::set_file (f_arg); command_history::set_size (sz); command_history::process_histcontrol (control_arg); if (read_history_file) command_history::read (false); m_initialized = true; } bool command_history::do_is_initialized (void) const { return m_initialized; } void command_history::do_set_file (const std::string& f) { m_file = f; } std::string command_history::do_file (void) { return m_file; } void command_history::do_set_size (int n) { m_size = n; } int command_history::do_size (void) const { return m_size; } void command_history::do_ignore_entries (bool flag) { m_ignoring_additions = flag; } bool command_history::do_ignoring_entries (void) const { return m_ignoring_additions; } bool command_history::do_add (const std::string&) { return false; } void command_history::do_remove (int) { } void command_history::do_clear (void) { } int command_history::do_where (void) const { return 0; } int command_history::do_length (void) const { return 0; } int command_history::do_max_input_history (void) const { return 0; } int command_history::do_base (void) const { return 0; } int command_history::do_current_number (void) const { return m_size > 0 ? do_base () + do_where () : -1; } void command_history::do_stifle (int) { } int command_history::do_unstifle (void) { return -1; } int command_history::do_is_stifled (void) const { return 0; } void command_history::do_set_mark (int) { } int command_history::do_goto_mark (void) { return 0; } void command_history::do_read (const std::string& f, bool) { if (f.empty ()) error ("command_history::read: missing filename"); } void command_history::do_read_range (const std::string& f, int, int, bool) { if (f.empty ()) error ("command_history::read_range: missing filename"); } void command_history::do_write (const std::string& f_arg) const { if (m_initialized) { std::string f = f_arg; if (f.empty ()) f = m_file; if (f.empty ()) error ("command_history::write: missing filename"); } } void command_history::do_append (const std::string& f_arg) { if (m_initialized) { if (m_lines_this_session) { if (m_lines_this_session < do_where ()) { // Create file if it doesn't already exist. std::string f = f_arg; if (f.empty ()) f = m_file; if (f.empty ()) error ("command_history::append: missing filename"); } } } } void command_history::do_truncate_file (const std::string& f_arg, int) const { if (m_initialized) { std::string f = f_arg; if (f.empty ()) f = m_file; if (f.empty ()) error ("command_history::truncate_file: missing filename"); } } string_vector command_history::do_list (int, bool) const { return string_vector (); } std::string command_history::do_get_entry (int) const { return ""; } void command_history::do_replace_entry (int, const std::string&) { } void command_history::do_clean_up_and_save (const std::string& f_arg, int) { if (m_initialized) { std::string f = f_arg; if (f.empty ()) f = m_file; if (f.empty ()) error ("command_history::clean_up_and_save: missing filename"); } } void command_history::error (int err_num, const std::string& msg) const { if (msg.empty ()) (*current_liboctave_error_handler) ("%s", std::strerror (err_num)); else (*current_liboctave_error_handler) ("%s: %s", msg.c_str (), std::strerror (err_num)); } void command_history::error (const std::string& s) const { (*current_liboctave_error_handler) ("%s", s.c_str ()); } OCTAVE_END_NAMESPACE(octave)