Mercurial > octave
annotate src/DLD-FUNCTIONS/dlmread.cc @ 9512:56e850e3b06f
dlmread: perform tilde expansion to filename argument
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 10 Aug 2009 15:18:41 -0400 |
parents | 16f53d29049f |
children | 40dfc0c99116 |
rev | line source |
---|---|
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
1 /* |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
2 |
9245 | 3 Copyright (C) 2008, 2009 Jonathan Stickel |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
4 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
5 This file is part of Octave. |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
6 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
7 Octave is free software; you can redistribute it and/or modify it |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
8 under the terms of the GNU General Public License as published by the |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
9 Free Software Foundation; either version 3 of the License, or (at your |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
10 option) any later version. |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
11 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
15 for more details. |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
16 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
17 You should have received a copy of the GNU General Public License |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
18 along with Octave; see the file COPYING. If not, see |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
19 <http://www.gnu.org/licenses/>. |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
20 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
21 */ |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
22 |
7581 | 23 // Adapted from previous version of dlmread.occ as authored by Kai |
24 // Habel, but core code has been completely re-written. | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
25 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
26 #ifdef HAVE_CONFIG_H |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
27 #include <config.h> |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
28 #endif |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
29 |
7581 | 30 #include <cctype> |
31 #include <fstream> | |
32 | |
9512
56e850e3b06f
dlmread: perform tilde expansion to filename argument
John W. Eaton <jwe@octave.org>
parents:
9245
diff
changeset
|
33 #include "file-ops.h" |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
34 #include "lo-ieee.h" |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
35 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
36 #include "defun-dld.h" |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
37 #include "error.h" |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
38 #include "oct-obj.h" |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
39 #include "utils.h" |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
40 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
41 static bool |
7581 | 42 read_cell_spec (std::istream& is, unsigned long& row, unsigned long& col) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
43 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
44 bool stat = false; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
45 |
7581 | 46 if (is.peek () == std::istream::traits_type::eof ()) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
47 stat = true; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
48 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
49 { |
7581 | 50 if (::isalpha (is.peek ())) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
51 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
52 col = 0; |
7581 | 53 while (is && ::isalpha (is.peek ())) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
54 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
55 char ch = is.get (); |
7581 | 56 col *= 26; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
57 if (ch >= 'a') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
58 col += ch - 'a'; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
59 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
60 col += ch - 'A'; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
61 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
62 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
63 if (is) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
64 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
65 is >> row; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
66 row --; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
67 if (is) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
68 stat = true; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
69 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
70 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
71 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
72 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
73 return stat; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
74 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
75 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
76 static bool |
7581 | 77 parse_range_spec (const octave_value& range_spec, |
78 unsigned long& rlo, unsigned long& clo, | |
79 unsigned long& rup, unsigned long& cup) | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
80 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
81 bool stat = true; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
82 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
83 if (range_spec.is_string ()) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
84 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
85 std::istringstream is (range_spec.string_value ()); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
86 char ch = is.peek (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
87 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
88 if (ch == '.' || ch == ':') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
89 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
90 rlo = 0; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
91 clo = 0; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
92 ch = is.get (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
93 if (ch == '.') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
94 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
95 ch = is.get (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
96 if (ch != '.') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
97 stat = false; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
98 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
99 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
100 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
101 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
102 stat = read_cell_spec (is, rlo, clo); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
103 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
104 if (stat) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
105 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
106 ch = is.peek (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
107 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
108 if (ch == '.' || ch == ':') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
109 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
110 ch = is.get (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
111 if (ch == '.') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
112 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
113 ch = is.get (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
114 if (!is || ch != '.') |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
115 stat = false; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
116 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
117 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
118 rup = ULONG_MAX - 1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
119 cup = ULONG_MAX - 1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
120 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
121 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
122 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
123 rup = rlo; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
124 cup = clo; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
125 if (!is || !is.eof ()) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
126 stat = false; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
127 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
128 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
129 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
130 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
131 if (stat && is && !is.eof ()) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
132 stat = read_cell_spec (is, rup, cup); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
133 |
7581 | 134 if (!is || !is.eof ()) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
135 stat = false; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
136 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
137 else if (range_spec.is_real_matrix () && range_spec.numel () == 4) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
138 { |
7581 | 139 ColumnVector range(range_spec.vector_value ()); |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
140 // double --> unsigned int |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
141 rlo = static_cast<unsigned long> (range(0)); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
142 clo = static_cast<unsigned long> (range(1)); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
143 rup = static_cast<unsigned long> (range(2)); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
144 cup = static_cast<unsigned long> (range(3)); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
145 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
146 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
147 stat = false; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
148 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
149 return stat; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
150 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
151 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
152 DEFUN_DLD (dlmread, args, , |
7581 | 153 "-*- texinfo -*-\n\ |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
154 @deftypefn {Loadable Function} {@var{data} =} dlmread (@var{file})\n\ |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
155 @deftypefnx {Loadable Function} {@var{data} =} dlmread (@var{file}, @var{sep})\n\ |
7581 | 156 @deftypefnx {Loadable Function} {@var{data} =} dlmread (@var{file}, @var{sep}, @var{r0}, @var{c0})\n\ |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
157 @deftypefnx {Loadable Function} {@var{data} =} dlmread (@var{file}, @var{sep}, @var{range})\n\ |
9039
51dc9691f23f
Cleanup documentation files errors.texi, debug.texi, io.texi
Rik <rdrider0-list@yahoo.com>
parents:
8290
diff
changeset
|
158 Read the matrix @var{data} from a text file. If not defined the separator\n\ |
51dc9691f23f
Cleanup documentation files errors.texi, debug.texi, io.texi
Rik <rdrider0-list@yahoo.com>
parents:
8290
diff
changeset
|
159 between fields is determined from the file itself. Otherwise the\n\ |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
160 separation character is defined by @var{sep}.\n\ |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
161 \n\ |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
162 Given two scalar arguments @var{r0} and @var{c0}, these define the starting\n\ |
9039
51dc9691f23f
Cleanup documentation files errors.texi, debug.texi, io.texi
Rik <rdrider0-list@yahoo.com>
parents:
8290
diff
changeset
|
163 row and column of the data to be read. These values are indexed from zero,\n\ |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
164 such that the first row corresponds to an index of zero.\n\ |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
165 \n\ |
9064
7c02ec148a3c
Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents:
9039
diff
changeset
|
166 The @var{range} parameter must be a 4 element vector containing the upper\n\ |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
167 left and lower right corner @code{[@var{R0},@var{C0},@var{R1},@var{C1}]} or\n\ |
9039
51dc9691f23f
Cleanup documentation files errors.texi, debug.texi, io.texi
Rik <rdrider0-list@yahoo.com>
parents:
8290
diff
changeset
|
168 a spreadsheet style range such as 'A2..Q15'. The lowest index value is zero.\n\ |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
169 @end deftypefn") |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
170 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
171 octave_value_list retval; |
7581 | 172 |
173 int nargin = args.length (); | |
174 | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
175 if (nargin < 1 || nargin > 4) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
176 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
177 print_usage (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
178 return retval; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
179 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
180 |
7581 | 181 if (!args(0).is_string ()) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
182 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
183 error ("dlmread: 1st argument must be a string"); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
184 return retval; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
185 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
186 |
7581 | 187 std::string fname (args(0).string_value ()); |
188 if (error_state) | |
189 return retval; | |
190 | |
9512
56e850e3b06f
dlmread: perform tilde expansion to filename argument
John W. Eaton <jwe@octave.org>
parents:
9245
diff
changeset
|
191 std::string tname = file_ops::tilde_expand (fname); |
56e850e3b06f
dlmread: perform tilde expansion to filename argument
John W. Eaton <jwe@octave.org>
parents:
9245
diff
changeset
|
192 |
56e850e3b06f
dlmread: perform tilde expansion to filename argument
John W. Eaton <jwe@octave.org>
parents:
9245
diff
changeset
|
193 std::ifstream file (tname.c_str ()); |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
194 if (!file) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
195 { |
7581 | 196 error ("dlmread: unable to open file `%s'", fname.c_str ()); |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
197 return retval; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
198 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
199 |
7581 | 200 // Set default separator. |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
201 std::string sep; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
202 if (nargin > 1) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
203 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
204 if (args(1).is_sq_string ()) |
7581 | 205 sep = do_string_escapes (args(1).string_value ()); |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
206 else |
7581 | 207 sep = args(1).string_value (); |
208 | |
209 if (error_state) | |
210 return retval; | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
211 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
212 |
7581 | 213 // Take a subset if a range was given. |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
214 unsigned long r0 = 0, c0 = 0, r1 = ULONG_MAX-1, c1 = ULONG_MAX-1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
215 if (nargin > 2) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
216 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
217 if (nargin == 3) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
218 { |
7581 | 219 if (!parse_range_spec (args (2), r0, c0, r1, c1)) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
220 error ("dlmread: error parsing range"); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
221 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
222 else if (nargin == 4) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
223 { |
7581 | 224 r0 = args(2).ulong_value (); |
225 c0 = args(3).ulong_value (); | |
226 | |
227 if (error_state) | |
228 return retval; | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
229 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
230 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
231 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
232 if (!error_state) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
233 { |
7581 | 234 unsigned long i = 0, j = 0, r = 1, c = 1, rmax = 0, cmax = 0; |
235 | |
236 Matrix rdata; | |
237 ComplexMatrix cdata; | |
238 | |
239 bool iscmplx = false; | |
240 bool sepflag = false; | |
241 | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
242 unsigned long maxrows = r1 - r0; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
243 |
7581 | 244 std::string line; |
245 | |
246 // Skip the r0 leading lines as these might be a header. | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
247 for (unsigned long m = 0; m < r0; m++) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
248 getline (file, line); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
249 r1 -= r0; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
250 |
7581 | 251 // Read in the data one field at a time, growing the data matrix |
252 // as needed. | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
253 while (getline (file, line)) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
254 { |
7581 | 255 // Skip blank lines for compatibility. |
8021 | 256 if (line.find_first_not_of (" \t") == std::string::npos) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
257 continue; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
258 |
7581 | 259 // To be compatible with matlab, blank separator should |
260 // correspond to whitespace as delimter. | |
261 if (!sep.length ()) | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
262 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
263 size_t n = line.find_first_of (",:; \t", |
7581 | 264 line.find_first_of ("0123456789")); |
8021 | 265 if (n == std::string::npos) |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
266 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
267 sep = " \t"; |
7581 | 268 sepflag = true; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
269 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
270 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
271 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
272 char ch = line.at (n); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
273 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
274 switch (line.at (n)) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
275 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
276 case ' ': |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
277 case '\t': |
7581 | 278 sepflag = true; |
7584 | 279 sep = " \t"; |
280 break; | |
7581 | 281 |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
282 default: |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
283 sep = ch; |
7584 | 284 break; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
285 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
286 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
287 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
288 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
289 r = (r > i + 1 ? r : i + 1); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
290 j = 0; |
7581 | 291 size_t pos1 = 0; |
292 do | |
293 { | |
294 size_t pos2 = line.find_first_of (sep, pos1); | |
295 std::string str = line.substr (pos1, pos2 - pos1); | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
296 |
8021 | 297 if (sepflag && pos2 != std::string::npos) |
7581 | 298 // Treat consecutive separators as one. |
299 pos2 = line.find_first_not_of (sep, pos2) - 1; | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
300 |
7581 | 301 c = (c > j + 1 ? c : j + 1); |
302 if (r > rmax || c > cmax) | |
303 { | |
304 // Use resize_and_fill for the case of not-equal | |
305 // length rows. | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
306 if (iscmplx) |
8290
7cbe01c21986
improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
307 cdata.resize_fill (r, c, 0); |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
308 else |
8290
7cbe01c21986
improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents:
8021
diff
changeset
|
309 rdata.resize_fill (r, c, 0); |
7581 | 310 rmax = r; |
311 cmax = c; | |
312 } | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
313 |
7581 | 314 std::istringstream tmp_stream (str); |
315 double x = octave_read_double (tmp_stream); | |
316 if (tmp_stream) | |
317 { | |
318 if (tmp_stream.eof ()) | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
319 if (iscmplx) |
7581 | 320 cdata(i,j++) = x; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
321 else |
7581 | 322 rdata(i,j++) = x; |
323 else | |
324 { | |
325 double y = octave_read_double (tmp_stream); | |
326 | |
327 if (!iscmplx && y != 0.) | |
328 { | |
329 iscmplx = true; | |
330 cdata = ComplexMatrix (rdata); | |
331 } | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
332 |
7581 | 333 if (iscmplx) |
334 cdata(i,j++) = Complex (x, y); | |
335 else | |
336 rdata(i,j++) = x; | |
337 } | |
338 } | |
339 else if (iscmplx) | |
340 cdata(i,j++) = 0.; | |
341 else | |
342 rdata(i,j++) = 0.; | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
343 |
8021 | 344 if (pos2 != std::string::npos) |
7581 | 345 pos1 = pos2 + 1; |
346 else | |
8021 | 347 pos1 = std::string::npos; |
7581 | 348 |
349 } | |
8021 | 350 while (pos1 != std::string::npos); |
7581 | 351 |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
352 if (nargin == 3 && i == maxrows) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
353 break; |
7581 | 354 |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
355 i++; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
356 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
357 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
358 if (nargin > 2) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
359 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
360 if (nargin == 3) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
361 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
362 if (r1 >= r) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
363 r1 = r - 1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
364 if (c1 >= c) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
365 c1 = c - 1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
366 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
367 else if (nargin == 4) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
368 { |
7581 | 369 // If r1 and c1 are not given, use what was found to be |
370 // the maximum. | |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
371 r1 = r - 1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
372 c1 = c - 1; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
373 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
374 |
7581 | 375 // Now take the subset of the matrix. |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
376 if (iscmplx) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
377 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
378 cdata = cdata.extract (0, c0, r1, c1); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
379 cdata.resize (r1 + 1, c1 - c0 + 1); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
380 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
381 else |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
382 { |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
383 rdata = rdata.extract (0, c0, r1, c1); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
384 rdata.resize (r1 + 1, c1 - c0 + 1); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
385 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
386 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
387 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
388 if (iscmplx) |
7581 | 389 retval(0) = cdata; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
390 else |
7581 | 391 retval(0) = rdata; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
392 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
393 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
394 return retval; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
395 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
396 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
397 /* |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
398 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
399 %!shared file |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
400 %! file = tmpnam (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
401 %! fid = fopen (file, "wt"); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
402 %! fwrite (fid, "1, 2, 3\n4, 5, 6\n7, 8, 9\n10, 11, 12"); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
403 %! fclose (fid); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
404 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
405 %!assert (dlmread (file), [1, 2, 3; 4, 5, 6; 7, 8, 9;10, 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
406 %!assert (dlmread (file, ","), [1, 2, 3; 4, 5, 6; 7, 8, 9; 10, 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
407 %!assert (dlmread (file, ",", [1, 0, 2, 1]), [4, 5; 7, 8]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
408 %!assert (dlmread (file, ",", "B1..C2"), [2, 3; 5, 6]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
409 %!assert (dlmread (file, ",", "B1:C2"), [2, 3; 5, 6]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
410 %!assert (dlmread (file, ",", "..C2"), [1, 2, 3; 4, 5, 6]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
411 %!assert (dlmread (file, ",", 0, 1), [2, 3; 5, 6; 8, 9; 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
412 %!assert (dlmread (file, ",", "B1.."), [2, 3; 5, 6; 8, 9; 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
413 %!error (dlmread (file, ",", [0 1])) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
414 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
415 %!test |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
416 %! unlink (file); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
417 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
418 %!shared file |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
419 %! file = tmpnam (); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
420 %! fid = fopen (file, "wt"); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
421 %! fwrite (fid, "1, 2, 3\n4+4i, 5, 6\n7, 8, 9\n10, 11, 12"); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
422 %! fclose (fid); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
423 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
424 %!assert (dlmread (file), [1, 2, 3; 4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
425 %!assert (dlmread (file, ","), [1, 2, 3; 4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
426 %!assert (dlmread (file, ",", [1, 0, 2, 1]), [4 + 4i, 5; 7, 8]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
427 %!assert (dlmread (file, ",", "A2..B3"), [4 + 4i, 5; 7, 8]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
428 %!assert (dlmread (file, ",", "A2:B3"), [4 + 4i, 5; 7, 8]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
429 %!assert (dlmread (file, ",", "..B3"), [1, 2; 4 + 4i, 5; 7, 8]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
430 %!assert (dlmread (file, ",", 1, 0), [4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
431 %!assert (dlmread (file, ",", "A2.."), [4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
432 %!error (dlmread (file, ",", [0 1])) |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
433 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
434 %!test |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
435 %! unlink (file); |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
436 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
437 */ |