parser-mpcmd.c

   1
   2 /// \file
   3 /// \ingroup ConfigParsers Playtree
   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 "playtree.h"
  21
  22 static int recursion_depth = 0;
  23 static int mode = 0;
  24
  25 #define GLOBAL 0
  26 #define LOCAL 1
  27 #define DROP_LOCAL 2
  28
  29 #define dvd_range(a)  (a>0 && a<256)
  30 #define UNSET_GLOBAL (mode = LOCAL)
  31 // Use this 1 if you want to have only global option (no per file option)
  32 // #define UNSET_GLOBAL (mode = GLOBAL)
  33
  34
  35 static int is_entry_option(char *opt, char *param, play_tree_t** ret) {
  36   play_tree_t* entry = NULL;
  37
  38   *ret = NULL;
  39
  40   if(strcasecmp(opt,"playlist") == 0) { // We handle playlist here
  41     if(!param)
  42       return M_OPT_MISSING_PARAM;
  43
  44     entry = parse_playlist_file(param);
  45     if(!entry)
  46       return -1;
  47     else {
  48        *ret=entry;
  49        return 1;
  50     }
  51   }
  52     return 0;
  53 }
  54
  55 static inline void add_entry(play_tree_t **last_parentp,
  56         play_tree_t **last_entryp, play_tree_t *entry) {
  57     if(*last_entryp == NULL)
  58       play_tree_set_child(*last_parentp,entry);
  59     else
  60       play_tree_append_entry(*last_entryp,entry);
  61     *last_entryp = entry;
  62 }
  63
  64 /// Setup the \ref Config from command line arguments and build a playtree.
  65 /** \ingroup ConfigParsers
  66  */
  67 play_tree_t*
  68 m_config_parse_mp_command_line(m_config_t *config, int argc, char **argv)
  69 {
  70   int i,j,start_title=-1,end_title=-1;
  71   char *opt,*splitpos=NULL;
  72   char entbuf[10];
  73   int no_more_opts = 0;
  74   int opt_exit = 0; // flag indicating whether mplayer should exit without playing anything
  75   play_tree_t *last_parent, *last_entry = NULL, *root;
  76 #ifdef MACOSX_FINDER_SUPPORT
  77   extern play_tree_t *macosx_finder_args(m_config_t *, int , char **);
  78 #endif
  79
  80 #ifdef MP_DEBUG
  81   assert(config != NULL);
  82   assert(argv != NULL);
  83   assert(argc >= 1);
  84 #endif
  85
  86   config->mode = M_COMMAND_LINE;
  87   mode = GLOBAL;
  88 #ifdef MACOSX_FINDER_SUPPORT
  89   root=macosx_finder_args(config, argc, argv);
  90   if(root)
  91         return root;
  92 #endif
  93
  94   last_parent = root = play_tree_new();
  95   /* in order to work recursion detection properly in parse_config_file */
  96   ++recursion_depth;
  97
  98   for (i = 1; i < argc; i++) {
  99     //next:
 100     opt = argv[i];
 101     /* check for -- (no more options id.) except --help! */
 102     if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) == 0))
 103       {
 104         no_more_opts = 1;
 105         if (i+1 >= argc)
 106           {
 107             mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_NoFileGivenOnCommandLine);
 108             goto err_out;
 109           }
 110         continue;
 111       }
 112     if((opt[0] == '{') && (opt[1] == '\0'))
 113       {
 114         play_tree_t* entry = play_tree_new();
 115         UNSET_GLOBAL;
 116         if(last_parent->flags & PLAY_TREE_RND)
 117           entry->flags |= PLAY_TREE_RND;
 118         if(last_entry == NULL) {
 119           play_tree_set_child(last_parent,entry);
 120         } else {
 121           play_tree_append_entry(last_entry,entry);
 122           last_entry = NULL;
 123         }
 124         last_parent = entry;
 125         continue;
 126       }
 127
 128     if((opt[0] == '}') && (opt[1] == '\0'))
 129       {
 130         if( ! last_parent || ! last_parent->parent) {
 131           mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too much }-\n");
 132           goto err_out;
 133         }
 134         last_entry = last_parent;
 135         last_parent = last_entry->parent;
 136         continue;
 137       }
 138
 139     if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
 140       {
 141         int tmp = 0;
 142         /* remove trailing '-' */
 143         opt++;
 144
 145         mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
 146         // We handle here some specific option
 147         // Loop option when it apply to a group
 148         if(strcasecmp(opt,"loop") == 0 &&
 149                   (! last_entry || last_entry->child) ) {
 150           int l;
 151           char* end = NULL;
 152           l = (i+1<argc) ? strtol(argv[i+1],&end,0) : 0;
 153           if(!end || *end != '\0') {
 154             mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_TheLoopOptionMustBeAnInteger, argv[i+1]);
 155             tmp = ERR_OUT_OF_RANGE;
 156           } else {
 157             play_tree_t* pt = last_entry ? last_entry : last_parent;
 158             l = l <= 0 ? -1 : l;
 159             pt->loop = l;
 160             tmp = 1;
 161           }
 162         } else if(strcasecmp(opt,"shuffle") == 0) {
 163           if(last_entry && last_entry->child)
 164             last_entry->flags |= PLAY_TREE_RND;
 165           else
 166             last_parent->flags |= PLAY_TREE_RND;
 167         } else if(strcasecmp(opt,"noshuffle") == 0) {
 168           if(last_entry && last_entry->child)
 169             last_entry->flags &= ~PLAY_TREE_RND;
 170           else
 171             last_parent->flags &= ~PLAY_TREE_RND;
 172         } else {
 173           const m_option_t* mp_opt = NULL;
 174           play_tree_t* entry = NULL;
 175
 176           tmp = is_entry_option(opt,(i+1<argc) ? argv[i + 1] : NULL,&entry);
 177           if(tmp > 0)  { // It's an entry
 178             if(entry) {
 179               add_entry(&last_parent,&last_entry,entry);
 180               if((last_parent->flags & PLAY_TREE_RND) && entry->child)
 181                 entry->flags |= PLAY_TREE_RND;
 182               UNSET_GLOBAL;
 183             } else if(mode == LOCAL) // Entry is empty we have to drop his params
 184               mode = DROP_LOCAL;
 185           } else if(tmp == 0) { // 'normal' options
 186             mp_opt = m_config_get_option(config,opt);
 187             if (mp_opt != NULL) { // Option exist
 188               if(mode == GLOBAL || (mp_opt->flags & M_OPT_GLOBAL))
 189                 tmp = (i+1<argc) ? m_config_set_option(config, opt, argv[i + 1])
 190                                  : m_config_set_option(config, opt, NULL);
 191               else {
 192                 tmp = m_config_check_option(config, opt, (i+1<argc) ? argv[i + 1] : NULL);
 193                 if(tmp >= 0 && mode != DROP_LOCAL) {
 194                   play_tree_t* pt = last_entry ? last_entry : last_parent;
 195                   play_tree_set_param(pt,opt, argv[i + 1]);
 196                 }
 197               }
 198             } else {
 199               tmp = M_OPT_UNKNOWN;
 200               mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_UnknownOptionOnCommandLine, opt);
 201             }
 202           }
 203         }
 204
 205         if (tmp <= M_OPT_EXIT) {
 206           opt_exit = 1;
 207           tmp = M_OPT_EXIT - tmp;
 208         } else
 209         if (tmp < 0) {
 210           mp_msg(MSGT_CFGPARSER, MSGL_FATAL, MSGTR_ErrorParsingOptionOnCommandLine, opt);
 211           goto err_out;
 212         }
 213         i += tmp;
 214       }
 215     else /* filename */
 216       {
 217         play_tree_t* entry = play_tree_new();
 218         mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
 219         // if required expand DVD filename entries like dvd://1-3 into component titles
 220         if ( strstr(argv[i],"dvd://") != NULL )
 221         {
 222              splitpos=strstr(argv[i]+6,"-");
 223              if(splitpos != NULL)
 224              {
 225                start_title=strtol(argv[i]+6,NULL,10);
 226                if (start_title<0) { //entries like dvd://-2 start title implied 1
 227                    end_title=abs(start_title);
 228                    start_title=1;
 229                } else {
 230                    end_title=strtol(splitpos+1,NULL,10);
 231                }
 232
 233                if (dvd_range(start_title) && dvd_range(end_title) && (start_title<end_title))
 234                {
 235                  for (j=start_title;j<=end_title;j++)
 236                  {
 237                   if (j!=start_title)
 238                       entry=play_tree_new();
 239                   snprintf(entbuf,9,"dvd://%d",j);
 240                   play_tree_add_file(entry,entbuf);
 241                   add_entry(&last_parent,&last_entry,entry);
 242                   last_entry = entry;
 243                  }
 244                } else {
 245                  mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_InvalidPlayEntry, argv[i]);
 246                }
 247
 248              } else { // dvd:// or dvd://x entry
 249                 play_tree_add_file(entry,argv[i]);
 250              }
 251         } else {
 252         play_tree_add_file(entry,argv[i]);
 253         }
 254
 255         // Lock stdin if it will be used as input
 256         if(strcasecmp(argv[i],"-") == 0)
 257           m_config_set_option(config,"noconsolecontrols",NULL);
 258         add_entry(&last_parent,&last_entry,entry);
 259         UNSET_GLOBAL; // We start entry specific options
 260
 261       }
 262   }
 263
 264   if (opt_exit)
 265     goto err_out;
 266   --recursion_depth;
 267   if(last_parent != root)
 268     mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Missing }- ?\n");
 269   return root;
 270
 271  err_out:
 272   --recursion_depth;
 273   play_tree_free(root,1);
 274   return NULL;
 275 }