parser-mecmd.c

   1
   2 /// \file
   3 /// \ingroup ConfigParsers MEntry
   4
   5 #include "config.h"
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <errno.h>
  11
  12 #ifdef MP_DEBUG
  13 #include <assert.h>
  14 #endif
  15
  16 #include "mp_msg.h"
  17 #include "help_mp.h"
  18 #include "m_option.h"
  19 #include "m_config.h"
  20 #include "parser-mecmd.h"
  21
  22 void
  23 m_entry_list_free(m_entry_t* lst) {
  24   int i,j;
  25
  26   for(i = 0 ; lst[i].name != NULL ; i++){
  27     free(lst[i].name);
  28     for(j = 0 ; lst[i].opts[2*j] != NULL ; j++) {
  29       free(lst[i].opts[2*j]);
  30       free(lst[i].opts[2*j+1]);
  31     }
  32     free(lst[i].opts);
  33   }
  34   free(lst);
  35 }
  36
  37 int
  38 m_entry_set_options(m_config_t *config, m_entry_t* entry) {
  39   int i,r;
  40
  41   for(i = 0 ; entry->opts[2*i] != NULL ; i++){
  42     r = m_config_set_option(config,entry->opts[2*i],entry->opts[2*i+1]);
  43     if(r < 0)
  44       return 0;
  45   }
  46   return 1;
  47 }
  48
  49
  50
  51
  52 m_entry_t*
  53 m_config_parse_me_command_line(m_config_t *config, int argc, char **argv)
  54 {
  55   int i,nf = 0,no = 0;
  56   int tmp;
  57   char *opt;
  58   int no_more_opts = 0;
  59   int opt_exit = 0;
  60   m_entry_t *lst = NULL, *entry = NULL;
  61
  62 #ifdef MP_DEBUG
  63   assert(config != NULL);
  64   assert(argv != NULL);
  65   assert(argc >= 1);
  66 #endif
  67
  68   config->mode = M_COMMAND_LINE;
  69
  70   lst = calloc(1,sizeof(m_entry_t));
  71
  72   for (i = 1; i < argc; i++) {
  73     //next:
  74     opt = argv[i];
  75     /* check for -- (no more options id.) except --help! */
  76     if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) == 0))
  77       {
  78         no_more_opts = 1;
  79         if (i+1 >= argc)
  80           {
  81             mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "'--' indicates no more options, but no filename was given on the command line.\n");
  82             goto err_out;
  83           }
  84         continue;
  85       }
  86
  87     if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
  88       {
  89         const m_option_t* mp_opt = NULL;
  90         /* remove trailing '-' */
  91         opt++;
  92         mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
  93         mp_opt = m_config_get_option(config,opt);
  94         if(!mp_opt) {
  95           tmp = M_OPT_UNKNOWN;
  96           mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "-%s is not an MEncoder option\n", opt);
  97           goto err_out;
  98         }
  99         if(!entry || (mp_opt->flags & M_OPT_GLOBAL)){
 100           tmp = m_config_set_option(config, opt, argv[i + 1]);
 101           if (tmp <= M_OPT_EXIT) {
 102             opt_exit = 1;
 103             tmp = M_OPT_EXIT - tmp;
 104           }
 105           else
 106           if(tmp < 0){
 107 //          mp_msg(MSGT_CFGPARSER, MSGL_ERR, "m_config_set_option() failed (%d)\n",tmp);
 108             mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL, "Error parsing option on the command line: -%s\n", opt);
 109             goto err_out;
 110           }
 111         } else {
 112           tmp = m_config_check_option(config, opt, argv[i + 1]);
 113           if (tmp <= M_OPT_EXIT) {
 114             opt_exit = 1;
 115             tmp = M_OPT_EXIT - tmp;
 116           }
 117           if(tmp >= 0) {
 118             entry->opts = realloc(entry->opts,(no+2)*2*sizeof(char*));
 119             entry->opts[2*no] = strdup(opt);
 120             entry->opts[2*no+1] = argv[i + 1] ? strdup(argv[i + 1]) : NULL;
 121             entry->opts[2*no+2] =  entry->opts[2*no+3] = NULL;
 122             no++;
 123           } else {
 124 //          mp_msg(MSGT_CFGPARSER, MSGL_ERR, "m_config_set_option() failed (%d)\n",tmp);
 125             goto err_out;
 126           }
 127         }
 128         i += tmp;
 129       } else  {/* filename */
 130         mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
 131         lst = realloc(lst,(nf+2)*sizeof(m_entry_t));
 132         lst[nf].name = strdup(argv[i]);
 133         lst[nf].opts = calloc(2,sizeof(char*));
 134         entry = &lst[nf];
 135         no = 0;
 136         memset(&lst[nf+1],0,sizeof(m_entry_t));
 137         nf++;
 138       }
 139   }
 140
 141   if (opt_exit)
 142     exit(0);
 143   if(nf == 0) {
 144     m_entry_list_free(lst);
 145     mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "No file given\n");
 146     return NULL;
 147   }
 148   return lst;
 149
 150  err_out:
 151    m_entry_list_free(lst);
 152   return NULL;
 153 }