Mercurial > octave
annotate liboctave/system/dir-ops.h @ 19697:4197fc428c7d
maint: Update copyright notices for 2015.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 11 Feb 2015 14:19:08 -0500 |
| parents | 49a5a4be04a1 |
| children | f7084eae3318 |
| rev | line source |
|---|---|
| 1782 | 1 /* |
| 2 | |
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19697
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
17769
diff
changeset
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3 Copyright (C) 1996-2015 John W. Eaton |
| 1782 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 1782 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 1782 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_dir_ops_h) | |
| 24 #define octave_dir_ops_h 1 | |
| 25 | |
| 26 #include <string> | |
| 27 | |
| 28 #include "str-vec.h" | |
| 29 | |
| 30 class | |
| 6108 | 31 OCTAVE_API |
| 1782 | 32 dir_entry |
| 33 { | |
| 34 public: | |
| 35 | |
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36 dir_entry (const std::string& n = std::string ()) |
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37 : name (n), dir (0), fail (false), errmsg () |
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38 { |
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39 if (! name.empty ()) |
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40 open (); |
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41 } |
| 1782 | 42 |
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43 dir_entry (const dir_entry& d) |
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44 : name (d.name), dir (d.dir), fail (d.fail), errmsg (d.errmsg) { } |
| 1782 | 45 |
| 46 dir_entry& operator = (const dir_entry& d) | |
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47 { |
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48 if (this != &d) |
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parents:
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49 { |
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50 name = d.name; |
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51 dir = d.dir; |
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52 fail = d.fail; |
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53 errmsg = d.errmsg; |
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54 } |
| 1929 | 55 |
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56 return *this; |
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57 } |
| 1782 | 58 |
| 59 ~dir_entry (void) { close (); } | |
| 60 | |
| 3504 | 61 bool open (const std::string& = std::string ()); |
| 1782 | 62 |
| 63 string_vector read (void); | |
| 64 | |
| 65 void close (void); | |
| 66 | |
| 67 bool ok (void) const { return dir && ! fail; } | |
| 68 | |
| 3145 | 69 operator bool () const { return ok (); } |
| 1782 | 70 |
| 3504 | 71 std::string error (void) const { return ok () ? std::string () : errmsg; } |
| 1782 | 72 |
| 73 private: | |
| 74 | |
| 75 // Name of the directory. | |
| 3504 | 76 std::string name; |
| 1782 | 77 |
| 1929 | 78 // A pointer to the contents of the directory. We use void here to |
| 79 // avoid possible conflicts with the way some systems declare the | |
| 80 // type DIR. | |
| 81 void *dir; | |
| 1782 | 82 |
| 83 // TRUE means the open for this directory failed. | |
| 84 bool fail; | |
| 85 | |
| 86 // If a failure occurs, this contains the system error text. | |
| 3504 | 87 std::string errmsg; |
| 1782 | 88 }; |
| 89 | |
| 90 #endif |