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   m_entry_t *lst = NULL, *entry = NULL;
  55
  56 #ifdef MP_DEBUG
  57   assert(config != NULL);
  58   assert(argv != NULL);
  59   assert(argc >= 1);
  60 #endif
  61
  62   config->mode = M_COMMAND_LINE;
  63
  64   lst = calloc(1,sizeof(m_entry_t));
  65
  66   for (i = 1; i < argc; i++) {
  67     //next:
  68     opt = argv[i];
  69     /* check for -- (no more options id.) except --help! */
  70     if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) != 'h'))
  71       {
  72         no_more_opts = 1;
  73         if (i+1 >= argc)
  74           {
  75             mp_msg(MSGT_CFGPARSER, MSGL_ERR, "'--' indicates no more options, but no filename was given on the command line.\n");
  76             goto err_out;
  77           }
  78         continue;
  79       }
  80
  81     if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
  82       {
  83         m_option_t* mp_opt = NULL;
  84         /* remove trailing '-' */
  85         opt++;
  86         mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
  87         mp_opt = m_config_get_option(config,opt);
  88         if(!mp_opt) {
  89           tmp = M_OPT_UNKNOWN;
  90           mp_msg(MSGT_CFGPARSER, MSGL_ERR, "%s is not an MEncoder option\n",opt);
  91           goto err_out;
  92         }
  93         if(!entry || (mp_opt->flags & M_OPT_GLOBAL)){
  94           tmp = m_config_set_option(config, opt, argv[i + 1]);
  95           if(tmp < 0){
  96 //          mp_msg(MSGT_CFGPARSER, MSGL_ERR, "m_config_set_option() failed (%d)\n",tmp);
  97             goto err_out;
  98           }
  99         } else {
 100           tmp = m_config_check_option(config, opt, argv[i + 1]);
 101           if(tmp >= 0) {
 102             entry->opts = realloc(entry->opts,(no+2)*2*sizeof(char*));
 103             entry->opts[2*no] = strdup(opt);
 104             entry->opts[2*no+1] = argv[i + 1] ? strdup(argv[i + 1]) : NULL;
 105             entry->opts[2*no+2] =  entry->opts[2*no+3] = NULL;
 106             no++;
 107           } else {
 108 //          mp_msg(MSGT_CFGPARSER, MSGL_ERR, "m_config_set_option() failed (%d)\n",tmp);
 109             if(tmp == M_OPT_EXIT)
 110               exit(0);
 111             goto err_out;
 112           }
 113         }
 114         i += tmp;
 115       } else  {/* filename */
 116         mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
 117         lst = realloc(lst,(nf+2)*sizeof(m_entry_t));
 118         lst[nf].name = strdup(argv[i]);
 119         lst[nf].opts = calloc(2,sizeof(char*));
 120         entry = &lst[nf];
 121         no = 0;
 122         memset(&lst[nf+1],0,sizeof(m_entry_t));
 123         nf++;
 124       }
 125   }
 126
 127   if(nf == 0) {
 128     m_entry_list_free(lst);
 129     mp_msg(MSGT_CFGPARSER, MSGL_ERR, "No file given\n");
 130     return NULL;
 131   }
 132   return lst;
 133
 134  err_out:
 135    m_entry_list_free(lst);
 136   return NULL;
 137 }