parser-mecmd.c

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