src/sourcedriver.h

   1 /*************************************************************************
   2 * Copyright (C) 2024 Francesco Palumbo <phranz.dev@gmail.com>, Naples (Italy)
   3 *
   4 * This program is free software: you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation, either version 3 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16 *************************************************************************/
  17
  18 #ifndef SOURCEDRIVER_H
  19 #define SOURCEDRIVER_H
  20
  21 typedef struct vec_sourcedata_t vec_sourcedata_t;
  22
  23 enum sources {
  24     S_NOSRC,
  25     S_SOURCE,
  26     S_CMDLINE,
  27     S_TTY,
  28     S_STDIN,
  29     S_ALL,
  30 };
  31
  32 typedef struct head_t {
  33     size_t pos;
  34     int c;
  35     int o;
  36 } head_t;
  37
  38 typedef struct sourcedata_t {
  39     int s;
  40     char* d;
  41     char* n;
  42     FILE* i;
  43     head_t h;
  44     struct sourcedata_t* p;
  45     unsigned long long lineno;
  46     int nb;
  47
  48     void (*free)(struct sourcedata_t*);
  49 } sourcedata_t;
  50
  51 sourcedata_t* sourcedata_t_init(sourcedata_t*);
  52 void sourcedata_t_free(sourcedata_t*);
  53
  54 void sourcedriver_init();
  55 void sourcedriver_free();
  56 void sinfo(const char*, unsigned long long);
  57 int new_source(int, void*);
  58 sourcedata_t* evalsrc(char*, unsigned long, char*);
  59 void push(int);
  60 head_t* pull();
  61 int source_exahusted();
  62 void next_source();
  63
  64 #define valid_source() (current && current->s != S_NOSRC)
  65
  66 #endif
  67
  68