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