parser-mpcmd.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 /// \file
  20 /// \ingroup ConfigParsers Playtree
  21
  22 #include "config.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <errno.h>
  28
  29 #ifdef MP_DEBUG
  30 #include <assert.h>
  31 #endif
  32
  33 #include "mp_msg.h"
  34 #include "m_option.h"
  35 #include "m_config.h"
  36 #include "playtree.h"
  37 #include "parser-mpcmd.h"
  38 #include "osdep/macosx_finder_args.h"
  39
  40 static int recursion_depth = 0;
  41 static int mode = 0;
  42
  43 #define GLOBAL 0
  44 #define LOCAL 1
  45 #define DROP_LOCAL 2
  46
  47 #define dvd_range(a)  (a>0 && a<256)
  48 #define UNSET_GLOBAL (mode = LOCAL)
  49 // Use this 1 if you want to have only global option (no per file option)
  50 // #define UNSET_GLOBAL (mode = GLOBAL)
  51
  52
  53 static int is_entry_option(struct m_config *mconfig, char *opt, char *param,
  54                            play_tree_t** ret)
  55 {
  56   play_tree_t* entry = NULL;
  57
  58   *ret = NULL;
  59
  60   if(strcasecmp(opt,"playlist") == 0) { // We handle playlist here
  61     if(!param)
  62       return M_OPT_MISSING_PARAM;
  63
  64     entry = parse_playlist_file(mconfig, param);
  65     if(!entry)
  66       return -1;
  67     else {
  68        *ret=entry;
  69        return 1;
  70     }
  71   }
  72     return 0;
  73 }
  74
  75 static inline void add_entry(play_tree_t **last_parentp,
  76         play_tree_t **last_entryp, play_tree_t *entry) {
  77     if(*last_entryp == NULL)
  78       play_tree_set_child(*last_parentp,entry);
  79     else
  80       play_tree_append_entry(*last_entryp,entry);
  81     *last_entryp = entry;
  82 }
  83
  84 /// Setup the \ref Config from command line arguments and build a playtree.
  85 /** \ingroup ConfigParsers
  86  */
  87 play_tree_t*
  88 m_config_parse_mp_command_line(m_config_t *config, int argc, char **argv)
  89 {
  90   int i,j,start_title=-1,end_title=-1;
  91   char *opt,*splitpos=NULL;
  92   char entbuf[15];
  93   int no_more_opts = 0;
  94   int opt_exit = 0; // flag indicating whether mplayer should exit without playing anything
  95   play_tree_t *last_parent, *last_entry = NULL, *root;
  96
  97 #ifdef MP_DEBUG
  98   assert(config != NULL);
  99   assert(argv != NULL);
 100   assert(argc >= 1);
 101 #endif
 102
 103   config->mode = M_COMMAND_LINE;
 104   mode = GLOBAL;
 105 #ifdef CONFIG_MACOSX_FINDER
 106   root=macosx_finder_args(config, argc, argv);
 107   if(root)
 108         return root;
 109 #endif
 110
 111   last_parent = root = play_tree_new();
 112   /* in order to work recursion detection properly in parse_config_file */
 113   ++recursion_depth;
 114
 115   for (i = 1; i < argc; i++) {
 116     //next:
 117     opt = argv[i];
 118     /* check for -- (no more options id.) except --help! */
 119     if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) == 0))
 120       {
 121         no_more_opts = 1;
 122         if (i+1 >= argc)
 123           {
 124             mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "'--' indicates no more options, but no filename was given on the command line.\n");
 125             goto err_out;
 126           }
 127         continue;
 128       }
 129     if((opt[0] == '{') && (opt[1] == '\0'))
 130       {
 131         play_tree_t* entry = play_tree_new();
 132         UNSET_GLOBAL;
 133         if(last_parent->flags & PLAY_TREE_RND)
 134           entry->flags |= PLAY_TREE_RND;
 135         if(last_entry == NULL) {
 136           play_tree_set_child(last_parent,entry);
 137         } else {
 138           play_tree_append_entry(last_entry,entry);
 139           last_entry = NULL;
 140         }
 141         last_parent = entry;
 142         continue;
 143       }
 144
 145     if((opt[0] == '}') && (opt[1] == '\0'))
 146       {
 147         if( ! last_parent || ! last_parent->parent) {
 148           mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too much }-\n");
 149           goto err_out;
 150         }
 151         last_entry = last_parent;
 152         last_parent = last_entry->parent;
 153         continue;
 154       }
 155
 156     if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
 157       {
 158         int tmp = 0;
 159         /* remove trailing '-' */
 160         opt++;
 161
 162         mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
 163         // We handle here some specific option
 164         // Loop option when it apply to a group
 165         if(strcasecmp(opt,"loop") == 0 &&
 166                   (! last_entry || last_entry->child) ) {
 167           int l;
 168           char* end = NULL;
 169           l = (i+1<argc) ? strtol(argv[i+1],&end,0) : 0;
 170           if(!end || *end != '\0') {
 171             mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "The loop option must be an integer: %s\n", argv[i+1]);
 172             tmp = ERR_OUT_OF_RANGE;
 173           } else {
 174             play_tree_t* pt = last_entry ? last_entry : last_parent;
 175             l = l <= 0 ? -1 : l;
 176             pt->loop = l;
 177             tmp = 1;
 178           }
 179         } else if(strcasecmp(opt,"shuffle") == 0) {
 180           if(last_entry && last_entry->child)
 181             last_entry->flags |= PLAY_TREE_RND;
 182           else
 183             last_parent->flags |= PLAY_TREE_RND;
 184         } else if(strcasecmp(opt,"noshuffle") == 0) {
 185           if(last_entry && last_entry->child)
 186             last_entry->flags &= ~PLAY_TREE_RND;
 187           else
 188             last_parent->flags &= ~PLAY_TREE_RND;
 189         } else {
 190           const m_option_t* mp_opt = NULL;
 191           play_tree_t* entry = NULL;
 192
 193           tmp = is_entry_option(config, opt,(i+1<argc) ? argv[i + 1] : NULL,&entry);
 194           if(tmp > 0)  { // It's an entry
 195             if(entry) {
 196               add_entry(&last_parent,&last_entry,entry);
 197               if((last_parent->flags & PLAY_TREE_RND) && entry->child)
 198                 entry->flags |= PLAY_TREE_RND;
 199               UNSET_GLOBAL;
 200             } else if(mode == LOCAL) // Entry is empty we have to drop his params
 201               mode = DROP_LOCAL;
 202           } else if(tmp == 0) { // 'normal' options
 203             mp_opt = m_config_get_option(config,opt);
 204             if (mp_opt != NULL) { // Option exist
 205               if(mode == GLOBAL || (mp_opt->flags & M_OPT_GLOBAL))
 206                 tmp = (i+1<argc) ? m_config_set_option(config, opt, argv[i + 1])
 207                                  : m_config_set_option(config, opt, NULL);
 208               else {
 209                 tmp = m_config_check_option(config, opt, (i+1<argc) ? argv[i + 1] : NULL);
 210                 if(tmp >= 0 && mode != DROP_LOCAL) {
 211                   play_tree_t* pt = last_entry ? last_entry : last_parent;
 212                   play_tree_set_param(pt,opt, argv[i + 1]);
 213                 }
 214               }
 215             } else {
 216               tmp = M_OPT_UNKNOWN;
 217               mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "Unknown option on the command line: -%s\n", opt);
 218             }
 219           }
 220         }
 221
 222         if (tmp <= M_OPT_EXIT) {
 223           opt_exit = 1;
 224           tmp = M_OPT_EXIT - tmp;
 225         } else
 226         if (tmp < 0) {
 227           mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL, "Error parsing option on the command line: -%s\n", opt);
 228           goto err_out;
 229         }
 230         i += tmp;
 231       }
 232     else /* filename */
 233       {
 234         int is_dvdnav = strstr(argv[i],"dvdnav://") != NULL;
 235         play_tree_t* entry = play_tree_new();
 236         mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
 237         // if required expand DVD filename entries like dvd://1-3 into component titles
 238         if ( strstr(argv[i],"dvd://") != NULL || is_dvdnav)
 239         {
 240              int offset = is_dvdnav ? 9 : 6;
 241              splitpos=strstr(argv[i]+offset,"-");
 242              if(splitpos != NULL)
 243              {
 244                start_title=strtol(argv[i]+offset,NULL,10);
 245                if (start_title<0) { //entries like dvd://-2 start title implied 1
 246                    end_title=abs(start_title);
 247                    start_title=1;
 248                } else {
 249                    end_title=strtol(splitpos+1,NULL,10);
 250                }
 251
 252                if (dvd_range(start_title) && dvd_range(end_title) && (start_title<end_title))
 253                {
 254                  for (j=start_title;j<=end_title;j++)
 255                  {
 256                   if (j!=start_title)
 257                       entry=play_tree_new();
 258                   snprintf(entbuf,sizeof(entbuf),is_dvdnav ? "dvdnav://%d" : "dvd://%d",j);
 259                   play_tree_add_file(entry,entbuf);
 260                   add_entry(&last_parent,&last_entry,entry);
 261                   last_entry = entry;
 262                  }
 263                } else {
 264                  mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "Invalid play entry %s\n", argv[i]);
 265                }
 266
 267              } else { // dvd:// or dvd://x entry
 268                 play_tree_add_file(entry,argv[i]);
 269              }
 270         } else {
 271         play_tree_add_file(entry,argv[i]);
 272         }
 273
 274         // Lock stdin if it will be used as input
 275         if(strcasecmp(argv[i],"-") == 0)
 276           m_config_set_option(config,"noconsolecontrols",NULL);
 277         add_entry(&last_parent,&last_entry,entry);
 278         UNSET_GLOBAL; // We start entry specific options
 279
 280       }
 281   }
 282
 283   if (opt_exit)
 284     goto err_out;
 285   --recursion_depth;
 286   if(last_parent != root)
 287     mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Missing }- ?\n");
 288   return root;
 289
 290  err_out:
 291   --recursion_depth;
 292   play_tree_free(root,1);
 293   return NULL;
 294 }