Line data    Source code

       1             : /* Copyright 1989-2025 Free Software Foundation, Inc.
       2             :      Written by James Clark (jjc@jclark.com)
       3             : 
       4             : This file is part of groff, the GNU roff typesetting system.
       5             : 
       6             : groff is free software; you can redistribute it and/or modify it under
       7             : the terms of the GNU General Public License as published by the Free
       8             : Software Foundation, either version 3 of the License, or
       9             : (at your option) any later version.
      10             : 
      11             : groff is distributed in the hope that it will be useful, but WITHOUT ANY
      12             : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13             : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14             : 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 <http://www.gnu.org/licenses/>. */
      18             : 
      19             : #ifdef HAVE_CONFIG_H
      20             : #include <config.h>
      21             : #endif
      22             : 
      23             : #include <ctype.h>
      24             : 
      25             : #include "lib.h"
      26             : 
      27             : #include "cset.h"
      28             : #include "stringclass.h"
      29             : #include "lf.h"
      30             : 
      31             : extern void change_filename(const char *);
      32             : extern void change_lineno(int);
      33             : 
      34       48484 : bool interpret_lf_request_arguments(const char *p)
      35             : {
      36       48484 :   while (*p == ' ')
      37       24242 :     p++;
      38       24242 :   if (!csdigit(*p))
      39          10 :     return false;
      40       24232 :   int ln = 0;
      41       60982 :   do {
      42       85214 :     ln *= 10;
      43       85214 :     ln += *p++ - '0';
      44       85214 :   } while (csdigit(*p));
      45       24232 :   if (*p != ' ' && *p != '\n' && *p != '\0')
      46           0 :     return false;
      47       26249 :   while (*p == ' ')
      48        2017 :     p++;
      49       24232 :   if (*p == '\0' || *p == '\n')  {
      50       22215 :     change_lineno(ln);
      51       22215 :     return true;
      52             :   }
      53             :   const char *q;
      54       45356 :   for (q = p;
      55       45356 :        *q != '\0' && *q != ' ' && *q != '\n' && *q != '\\';
      56             :        q++)
      57             :     ;
      58        4034 :   string tem(p, q - p);
      59        2017 :   while (*q == ' ')
      60           0 :     q++;
      61        2017 :   if (*q != '\n' && *q != '\0')
      62           0 :     return false;
      63        2017 :   tem += '\0';
      64        2017 :   change_filename(tem.contents());
      65        2017 :   change_lineno(ln);
      66        2017 :   return true;
      67             : }
      68             : 
      69             : #if defined(__MSDOS__) || (defined(_WIN32) && !defined(__CYGWIN__))
      70             : void normalize_file_name_for_lf_request(string &fn)
      71             : {
      72             :   int fnlen = fn.length();
      73             :   for (int i = 0; i < fnlen; i++) {
      74             :     if (fn[i] == '\\')
      75             :       fn[i] = '/';
      76             :   }
      77             : }
      78             : #else
      79        1720 : void normalize_file_name_for_lf_request(string &)
      80             : {
      81        1720 : }
      82             : #endif
      83             : 
      84             : // Local Variables:
      85             : // fill-column: 72
      86             : // mode: C++
      87             : // End:
      88             : // vim: set cindent noexpandtab shiftwidth=2 textwidth=72: