Mercurial > octave
view libinterp/corefcn/oct-iostrm.h @ 21017:93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
* Backend.cc, comment-list.h, debug.cc, defaults.in.h, dynamic-ld.h, error.cc,
graphics.cc, graphics.in.h, help.cc, hook-fcn.h, load-path.cc, load-path.h,
ls-ascii-helper.cc, ls-mat-ascii.cc, ls-mat5.cc, ls-mat5.h, ls-oct-text.cc,
oct-iostrm.h, oct-lvalue.h, oct-stream.cc, oct-stream.h, oct-strstrm.h,
regexp.cc, schur.cc, sqrtm.cc, strfns.cc, symtab.cc, symtab.h, sysdep.cc,
toplev.cc, urlwrite.cc, variables.cc, variables.h, ov-builtin.h, ov-cell.cc,
ov-class.cc, ov-classdef.cc, ov-classdef.h, ov-dld-fcn.h, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.h, ov-lazy-idx.cc, ov-mex-fcn.h,
ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.h,
ovl.h, octave.cc, lex.h, parse.h, pt-classdef.h, pt-exp.cc, pt-pr-code.h,
token.h, version.cc, version.in.h, oct-rand.h, dir-ops.h, file-ops.cc,
file-ops.h, file-stat.h, oct-env.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, kpse.cc,
lo-array-gripes.h, pathsearch.cc, pathsearch.h, str-vec.h, url-transfer.h:
Replace emtpy 'std::string ()' calls with "".
author | Rik <rik@octave.org> |
---|---|
date | Wed, 30 Dec 2015 12:33:33 -0800 |
parents | f7084eae3318 |
children | 1473547f50f5 |
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/* Copyright (C) 1996-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if ! defined (octave_oct_iostrm_h) #define octave_oct_iostrm_h 1 #include <iosfwd> #include "oct-stream.h" class octave_base_iostream : public octave_base_stream { public: octave_base_iostream (const std::string& n = "", std::ios::openmode m = std::ios::in|std::ios::out, oct_mach_info::float_format ff = oct_mach_info::native_float_format ()) : octave_base_stream (m, ff), nm (n) { } // Position a stream at OFFSET relative to ORIGIN. int seek (off_t offset, int origin); // Return current stream position. off_t tell (void); // Return nonzero if EOF has been reached on this stream. bool eof (void) const; // The name of the file. std::string name (void) const { return nm; } protected: ~octave_base_iostream (void) { } void invalid_operation (void) const; private: std::string nm; virtual const char *stream_type (void) const = 0; // No copying! octave_base_iostream (const octave_base_iostream&); octave_base_iostream& operator = (const octave_base_iostream&); }; class octave_istream : public octave_base_iostream { public: octave_istream (std::istream *arg = 0, const std::string& n = "") : octave_base_iostream (n, std::ios::in, oct_mach_info::native_float_format ()), is (arg) { } static octave_stream create (std::istream *arg = 0, const std::string& n = ""); // Return nonzero if EOF has been reached on this stream. bool eof (void) const; std::istream *input_stream (void) { return is; } std::ostream *output_stream (void) { return 0; } protected: ~octave_istream (void) { } private: std::istream *is; const char *stream_type (void) const { return "octave_istream"; } // No copying! octave_istream (const octave_istream&); octave_istream& operator = (const octave_istream&); }; class octave_ostream : public octave_base_iostream { public: octave_ostream (std::ostream *arg, const std::string& n = "") : octave_base_iostream (n, std::ios::out, oct_mach_info::native_float_format ()), os (arg) { } static octave_stream create (std::ostream *arg, const std::string& n = ""); // Return nonzero if EOF has been reached on this stream. bool eof (void) const; std::istream *input_stream (void) { return 0; } std::ostream *output_stream (void) { return os; } protected: ~octave_ostream (void) { } private: std::ostream *os; const char *stream_type (void) const { return "octave_ostream"; } // No copying! octave_ostream (const octave_ostream&); octave_ostream& operator = (const octave_ostream&); }; #endif