2 * This file is part of the GROMACS molecular simulation package.
4 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
5 * Copyright (c) 2001-2004, The GROMACS development team.
6 * Copyright (c) 2013,2014,2015,2016,2017,2018, by the GROMACS development team, led by
7 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
8 * and including many others, as listed in the AUTHORS file in the
9 * top-level source directory and at http://www.gromacs.org.
11 * GROMACS is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public License
13 * as published by the Free Software Foundation; either version 2.1
14 * of the License, or (at your option) any later version.
16 * GROMACS is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with GROMACS; if not, see
23 * http://www.gnu.org/licenses, or write to the Free Software Foundation,
24 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 * If you want to redistribute modifications to GROMACS, please
27 * consider that scientific software is very special. Version
28 * control is crucial - bugs must be traceable. We will be happy to
29 * consider code for inclusion in the official distribution, but
30 * derived work must not be called official GROMACS. Details are found
31 * in the README & COPYING files - if they are missing, get the
32 * official version at http://www.gromacs.org.
34 * To help us fund GROMACS development, we humbly ask that you cite
35 * the research papers on the package. Check out http://www.gromacs.org.
46 #include "gromacs/utility/basedefinitions.h"
47 #include "gromacs/utility/cstringutil.h"
48 #include "gromacs/utility/fatalerror.h"
49 #include "gromacs/utility/smalloc.h"
50 #include "gromacs/utility/txtdump.h"
55 static char *trim_string(const char *s, char *out, int maxlen)
57 * Returns a pointer to a static area which contains a copy
58 * of s without leading or trailing spaces. Strings are
59 * truncated to BUFSIZE positions.
61 * TODO This partially duplicates code in trim(), but perhaps
62 * replacing symtab with a std::map is a better fix.
67 if (strlen(s) > (size_t)(maxlen-1))
69 gmx_fatal(FARGS, "String '%s' (%zu) is longer than buffer (%d).\n",
70 s, strlen(s), maxlen-1);
73 for (; (*s) == ' '; s++)
77 for (len = strlen(s); (len > 0); len--)
88 for (i = 0; i < len; i++)
96 int lookup_symtab(t_symtab *symtab, char **name)
102 symbuf = symtab->symbuf;
103 while (symbuf != nullptr)
105 const int index = name-symbuf->buf;
106 if ( ( index >= 0 ) && ( index < symbuf->bufsize ) )
112 base += symbuf->bufsize;
113 symbuf = symbuf->next;
116 gmx_fatal(FARGS, "symtab lookup \"%s\" not found", *name);
119 char **get_symtab_handle(t_symtab *symtab, int name)
123 symbuf = symtab->symbuf;
124 while (symbuf != nullptr)
126 if (name < symbuf->bufsize)
128 return &(symbuf->buf[name]);
132 name -= symbuf->bufsize;
133 symbuf = symbuf->next;
136 gmx_fatal(FARGS, "symtab get_symtab_handle %d not found", name);
139 static t_symbuf *new_symbuf(void)
144 symbuf->bufsize = TABLESIZE;
145 snew(symbuf->buf, symbuf->bufsize);
146 symbuf->next = nullptr;
151 static char **enter_buf(t_symtab *symtab, char *name)
157 if (symtab->symbuf == nullptr)
159 symtab->symbuf = new_symbuf();
162 symbuf = symtab->symbuf;
165 for (i = 0; (i < symbuf->bufsize); i++)
167 if (symbuf->buf[i] == nullptr)
170 symbuf->buf[i] = gmx_strdup(name);
171 return &(symbuf->buf[i]);
173 else if (strcmp(symbuf->buf[i], name) == 0)
175 return &(symbuf->buf[i]);
178 if (symbuf->next != nullptr)
180 symbuf = symbuf->next;
190 symbuf->next = new_symbuf();
191 symbuf = symbuf->next;
194 symbuf->buf[0] = gmx_strdup(name);
195 return &(symbuf->buf[0]);
198 char **put_symtab(t_symtab *symtab, const char *name)
202 return enter_buf(symtab, trim_string(name, buf, 1023));
205 void open_symtab(t_symtab *symtab)
208 symtab->symbuf = nullptr;
211 void close_symtab(t_symtab gmx_unused *symtab)
215 void done_symtab(t_symtab *symtab)
218 t_symbuf *symbuf, *freeptr;
220 close_symtab(symtab);
221 symbuf = symtab->symbuf;
222 while (symbuf != nullptr)
224 for (i = 0; (i < symbuf->bufsize) && (i < symtab->nr); i++)
226 sfree(symbuf->buf[i]);
231 symbuf = symbuf->next;
234 symtab->symbuf = nullptr;
237 gmx_incons("Freeing symbol table (symtab) structure");
241 void free_symtab(t_symtab *symtab)
243 t_symbuf *symbuf, *freeptr;
245 close_symtab(symtab);
246 symbuf = symtab->symbuf;
247 while (symbuf != nullptr)
249 symtab->nr -= std::min(symbuf->bufsize, symtab->nr);
251 symbuf = symbuf->next;
254 symtab->symbuf = nullptr;
257 gmx_incons("Freeing symbol table (symtab) structure");
261 void pr_symtab(FILE *fp, int indent, const char *title, t_symtab *symtab)
266 if (available(fp, symtab, indent, title))
268 indent = pr_title_n(fp, indent, title, symtab->nr);
271 symbuf = symtab->symbuf;
272 while (symbuf != nullptr)
274 for (j = 0; (j < symbuf->bufsize) && (j < nr); j++)
276 pr_indent(fp, indent);
277 (void) fprintf(fp, "%s[%d]=\"%s\"\n", title, i++, symbuf->buf[j]);
280 symbuf = symbuf->next;
284 gmx_incons("Printing symbol table (symtab) structure");