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 #include "parser-mpcmd.h"
  22
  23 static int recursion_depth = 0;
  24 static int mode = 0;
  25
  26 #define GLOBAL 0
  27 #define LOCAL 1
  28 #define DROP_LOCAL 2
  29
  30 #define dvd_range(a)  (a>0 && a<256)
  31 #define UNSET_GLOBAL (mode = LOCAL)
  32 // Use this 1 if you want to have only global option (no per file option)
  33 // #define UNSET_GLOBAL (mode = GLOBAL)
  34
  35
  36 static int is_entry_option(struct m_config *mconfig, char *opt, char *param,
  37                            play_tree_t** ret)
  38 {
  39   play_tree_t* entry = NULL;
  40
  41   *ret = NULL;
  42
  43   if(strcasecmp(opt,"playlist") == 0) { // We handle playlist here
  44     if(!param)
  45       return M_OPT_MISSING_PARAM;
  46
  47     entry = parse_playlist_file(mconfig, param);
  48     if(!entry)
  49       return -1;
  50     else {
  51        *ret=entry;
  52        return 1;
  53     }
  54   }
  55     return 0;
  56 }
  57
  58 static inline void add_entry(play_tree_t **last_parentp,
  59         play_tree_t **last_entryp, play_tree_t *entry) {
  60     if(*last_entryp == NULL)
  61       play_tree_set_child(*last_parentp,entry);
  62     else
  63       play_tree_append_entry(*last_entryp,entry);
  64     *last_entryp = entry;
  65 }
  66
  67 /// Setup the \ref Config from command line arguments and build a playtree.
  68 /** \ingroup ConfigParsers
  69  */
  70 play_tree_t*
  71 m_config_parse_mp_command_line(m_config_t *config, int argc, char **argv)
  72 {
  73   int i,j,start_title=-1,end_title=-1;
  74   char *opt,*splitpos=NULL;
  75   char entbuf[10];
  76   int no_more_opts = 0;
  77   int opt_exit = 0; // flag indicating whether mplayer should exit without playing anything
  78   play_tree_t *last_parent, *last_entry = NULL, *root;
  79 #ifdef CONFIG_MACOSX_FINDER
  80   play_tree_t *macosx_finder_args(m_config_t *, int , char **);
  81 #endif
  82
  83 #ifdef MP_DEBUG
  84   assert(config != NULL);
  85   assert(argv != NULL);
  86   assert(argc >= 1);
  87 #endif
  88
  89   config->mode = M_COMMAND_LINE;
  90   mode = GLOBAL;
  91 #ifdef CONFIG_MACOSX_FINDER
  92   root=macosx_finder_args(config, argc, argv);
  93   if(root)
  94         return root;
  95 #endif
  96
  97   last_parent = root = play_tree_new();
  98   /* in order to work recursion detection properly in parse_config_file */
  99   ++recursion_depth;
 100
 101   for (i = 1; i < argc; i++) {
 102     //next:
 103     opt = argv[i];
 104     /* check for -- (no more options id.) except --help! */
 105     if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) == 0))
 106       {
 107         no_more_opts = 1;
 108         if (i+1 >= argc)
 109           {
 110             mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "'--' indicates no more options, but no filename was given on the command line.\n");
 111             goto err_out;
 112           }
 113         continue;
 114       }
 115     if((opt[0] == '{') && (opt[1] == '\0'))
 116       {
 117         play_tree_t* entry = play_tree_new();
 118         UNSET_GLOBAL;
 119         if(last_parent->flags & PLAY_TREE_RND)
 120           entry->flags |= PLAY_TREE_RND;
 121         if(last_entry == NULL) {
 122           play_tree_set_child(last_parent,entry);
 123         } else {
 124           play_tree_append_entry(last_entry,entry);
 125           last_entry = NULL;
 126         }
 127         last_parent = entry;
 128         continue;
 129       }
 130
 131     if((opt[0] == '}') && (opt[1] == '\0'))
 132       {
 133         if( ! last_parent || ! last_parent->parent) {
 134           mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too much }-\n");
 135           goto err_out;
 136         }
 137         last_entry = last_parent;
 138         last_parent = last_entry->parent;
 139         continue;
 140       }
 141
 142     if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
 143       {
 144         int tmp = 0;
 145         /* remove trailing '-' */
 146         opt++;
 147
 148         mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
 149         // We handle here some specific option
 150         // Loop option when it apply to a group
 151         if(strcasecmp(opt,"loop") == 0 &&
 152                   (! last_entry || last_entry->child) ) {
 153           int l;
 154           char* end = NULL;
 155           l = (i+1<argc) ? strtol(argv[i+1],&end,0) : 0;
 156           if(!end || *end != '\0') {
 157             mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "The loop option must be an integer: %s\n", argv[i+1]);
 158             tmp = ERR_OUT_OF_RANGE;
 159           } else {
 160             play_tree_t* pt = last_entry ? last_entry : last_parent;
 161             l = l <= 0 ? -1 : l;
 162             pt->loop = l;
 163             tmp = 1;
 164           }
 165         } else if(strcasecmp(opt,"shuffle") == 0) {
 166           if(last_entry && last_entry->child)
 167             last_entry->flags |= PLAY_TREE_RND;
 168           else
 169             last_parent->flags |= PLAY_TREE_RND;
 170         } else if(strcasecmp(opt,"noshuffle") == 0) {
 171           if(last_entry && last_entry->child)
 172             last_entry->flags &= ~PLAY_TREE_RND;
 173           else
 174             last_parent->flags &= ~PLAY_TREE_RND;
 175         } else {
 176           const m_option_t* mp_opt = NULL;
 177           play_tree_t* entry = NULL;
 178
 179           tmp = is_entry_option(config, opt,(i+1<argc) ? argv[i + 1] : NULL,&entry);
 180           if(tmp > 0)  { // It's an entry
 181             if(entry) {
 182               add_entry(&last_parent,&last_entry,entry);
 183               if((last_parent->flags & PLAY_TREE_RND) && entry->child)
 184                 entry->flags |= PLAY_TREE_RND;
 185               UNSET_GLOBAL;
 186             } else if(mode == LOCAL) // Entry is empty we have to drop his params
 187               mode = DROP_LOCAL;
 188           } else if(tmp == 0) { // 'normal' options
 189             mp_opt = m_config_get_option(config,opt);
 190             if (mp_opt != NULL) { // Option exist
 191               if(mode == GLOBAL || (mp_opt->flags & M_OPT_GLOBAL))
 192                 tmp = (i+1<argc) ? m_config_set_option(config, opt, argv[i + 1])
 193                                  : m_config_set_option(config, opt, NULL);
 194               else {
 195                 tmp = m_config_check_option(config, opt, (i+1<argc) ? argv[i + 1] : NULL);
 196                 if(tmp >= 0 && mode != DROP_LOCAL) {
 197                   play_tree_t* pt = last_entry ? last_entry : last_parent;
 198                   play_tree_set_param(pt,opt, argv[i + 1]);
 199                 }
 200               }
 201             } else {
 202               tmp = M_OPT_UNKNOWN;
 203               mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "Unknown option on the command line: -%s\n", opt);
 204             }
 205           }
 206         }
 207
 208         if (tmp <= M_OPT_EXIT) {
 209           opt_exit = 1;
 210           tmp = M_OPT_EXIT - tmp;
 211         } else
 212         if (tmp < 0) {
 213           mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL, "Error parsing option on the command line: -%s\n", opt);
 214           goto err_out;
 215         }
 216         i += tmp;
 217       }
 218     else /* filename */
 219       {
 220         play_tree_t* entry = play_tree_new();
 221         mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
 222         // if required expand DVD filename entries like dvd://1-3 into component titles
 223         if ( strstr(argv[i],"dvd://") != NULL )
 224         {
 225              splitpos=strstr(argv[i]+6,"-");
 226              if(splitpos != NULL)
 227              {
 228                start_title=strtol(argv[i]+6,NULL,10);
 229                if (start_title<0) { //entries like dvd://-2 start title implied 1
 230                    end_title=abs(start_title);
 231                    start_title=1;
 232                } else {
 233                    end_title=strtol(splitpos+1,NULL,10);
 234                }
 235
 236                if (dvd_range(start_title) && dvd_range(end_title) && (start_title<end_title))
 237                {
 238                  for (j=start_title;j<=end_title;j++)
 239                  {
 240                   if (j!=start_title)
 241                       entry=play_tree_new();
 242                   snprintf(entbuf,9,"dvd://%d",j);
 243                   play_tree_add_file(entry,entbuf);
 244                   add_entry(&last_parent,&last_entry,entry);
 245                   last_entry = entry;
 246                  }
 247                } else {
 248                  mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "Invalid play entry %s\n", argv[i]);
 249                }
 250
 251              } else { // dvd:// or dvd://x entry
 252                 play_tree_add_file(entry,argv[i]);
 253              }
 254         } else {
 255         play_tree_add_file(entry,argv[i]);
 256         }
 257
 258         // Lock stdin if it will be used as input
 259         if(strcasecmp(argv[i],"-") == 0)
 260           m_config_set_option(config,"noconsolecontrols",NULL);
 261         add_entry(&last_parent,&last_entry,entry);
 262         UNSET_GLOBAL; // We start entry specific options
 263
 264       }
 265   }
 266
 267   if (opt_exit)
 268     goto err_out;
 269   --recursion_depth;
 270   if(last_parent != root)
 271     mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Missing }- ?\n");
 272   return root;
 273
 274  err_out:
 275   --recursion_depth;
 276   play_tree_free(root,1);
 277   return NULL;
 278 }