1 /*
2  *      cook - file construction tool
3  *      Copyright (C) 1994, 1997-1999, 2006, 2007 Peter Miller;
4  *      All rights reserved.
5  *
6  *      This program is free software; you can redistribute it and/or modify
7  *      it under the terms of the GNU General Public License as published by
8  *      the Free Software Foundation; either version 3 of the License, or
9  *      (at your option) any later version.
10  *
11  *      This program is distributed in the hope that it will be useful,
12  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *      GNU General Public License for more details.
15  *
16  *      You should have received a copy of the GNU General Public License
17  *      along with this program. If not, see
18  *      <http://www.gnu.org/licenses/>.
19  */
20 
21 #include <cook/builtin/split.h>
22 #include <common/error_intl.h>
23 #include <cook/expr/position.h>
24 #include <common/str_list.h>
25 #include <common/trace.h>
26 
27 
28 static int
interpret(string_list_ty * result,const string_list_ty * arg,const expr_position_ty * pp,const struct opcode_context_ty * ocp)29 interpret(string_list_ty *result, const string_list_ty *arg,
30     const expr_position_ty *pp, const struct opcode_context_ty *ocp)
31 {
32     size_t          j;
33 
34     trace(("split\n"));
35     (void)ocp;
36     if (arg->nstrings < 2)
37     {
38         sub_context_ty  *scp;
39 
40         scp = sub_context_new();
41         sub_var_set_string(scp, "Name", arg->string[0]);
42         error_with_position
43             (pp, scp, i18n("$name: requires one or more arguments"));
44         sub_context_delete(scp);
45         return -1;
46     }
47     for (j = 2; j < arg->nstrings; ++j)
48     {
49         string_list_ty  wl;
50         size_t          k;
51 
52         str2wl(&wl, arg->string[j], arg->string[1]->str_text, 0);
53         for (k = 0; k < wl.nstrings; ++k)
54             string_list_append(result, wl.string[k]);
55         string_list_destructor(&wl);
56     }
57     return 0;
58 }
59 
60 
61 builtin_ty builtin_split =
62 {
63     "split",
64     interpret,
65     interpret,                  /* script */
66 };
67