|
517
|
1 /* |
|
|
2 |
|
2847
|
3 Copyright (C) 1996, 1997 John W. Eaton |
|
517
|
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 |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
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 |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
1315
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
517
|
20 |
|
|
21 */ |
|
|
22 |
|
1297
|
23 #if defined (__GNUG__) |
|
|
24 #pragma implementation |
|
|
25 #endif |
|
|
26 |
|
517
|
27 #ifdef HAVE_CONFIG_H |
|
1192
|
28 #include <config.h> |
|
517
|
29 #endif |
|
|
30 |
|
1968
|
31 #include "error.h" |
|
1742
|
32 #include "oct-obj.h" |
|
517
|
33 |
|
2970
|
34 octave_allocator |
|
|
35 octave_value_list::allocator (sizeof (octave_value_list)); |
|
|
36 |
|
2872
|
37 octave_value_list& |
|
|
38 octave_value_list::prepend (const octave_value& val) |
|
|
39 { |
|
|
40 int n = length (); |
|
|
41 |
|
|
42 resize (n + 1); |
|
|
43 |
|
|
44 while (n > 0) |
|
|
45 { |
|
|
46 elem (n) = elem (n - 1); |
|
|
47 n--; |
|
|
48 } |
|
|
49 |
|
|
50 elem (0) = val; |
|
|
51 |
|
|
52 return *this; |
|
|
53 } |
|
|
54 |
|
|
55 octave_value_list& |
|
|
56 octave_value_list::append (const octave_value& val) |
|
|
57 { |
|
|
58 int n = length (); |
|
|
59 |
|
|
60 resize (n + 1); |
|
|
61 |
|
|
62 elem (n) = val; |
|
|
63 |
|
|
64 return *this; |
|
|
65 } |
|
|
66 |
|
|
67 octave_value_list& |
|
|
68 octave_value_list::append (const octave_value_list& lst) |
|
|
69 { |
|
|
70 int len = length (); |
|
|
71 int lst_len = lst.length (); |
|
|
72 |
|
|
73 resize (len + lst_len); |
|
|
74 |
|
|
75 for (int i = 0; i < lst_len; i++) |
|
|
76 elem (len + i) = lst (i); |
|
|
77 |
|
|
78 return *this; |
|
|
79 } |
|
|
80 |
|
|
81 octave_value_list& |
|
|
82 octave_value_list::reverse (void) |
|
|
83 { |
|
|
84 int n = length (); |
|
|
85 |
|
|
86 for (int i = 0; i < n / 2; i++) |
|
|
87 { |
|
|
88 octave_value tmp = elem (i); |
|
|
89 elem (i) = elem (n - i - 1); |
|
|
90 elem (n - i - 1) = tmp; |
|
|
91 } |
|
|
92 |
|
|
93 return *this; |
|
|
94 } |
|
|
95 |
|
|
96 bool |
|
|
97 octave_value_list::all_strings_p (void) const |
|
1968
|
98 { |
|
|
99 int n = length (); |
|
517
|
100 |
|
1968
|
101 for (int i = 0; i < n; i++) |
|
|
102 if (! elem(i).is_string ()) |
|
|
103 return 0; |
|
1746
|
104 |
|
1968
|
105 return 1; |
|
517
|
106 } |
|
|
107 |
|
1968
|
108 string_vector |
|
2086
|
109 octave_value_list::make_argv (const string& fcn_name) const |
|
517
|
110 { |
|
1968
|
111 string_vector argv; |
|
|
112 |
|
2872
|
113 if (all_strings_p ()) |
|
1968
|
114 { |
|
|
115 int n = length (); |
|
|
116 argv.resize (n+1); |
|
|
117 argv[0] = fcn_name; |
|
517
|
118 |
|
1968
|
119 for (int i = 0; i < n; i++) |
|
|
120 argv[i+1] = elem(i).string_value (); |
|
|
121 } |
|
|
122 else |
|
|
123 error ("%s: expecting all arguments to be strings", fcn_name.c_str ()); |
|
517
|
124 |
|
1968
|
125 return argv; |
|
517
|
126 } |
|
|
127 |
|
|
128 /* |
|
|
129 ;;; Local Variables: *** |
|
|
130 ;;; mode: C++ *** |
|
|
131 ;;; End: *** |
|
|
132 */ |
