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 "help_mp.h"
  35 #include "m_option.h"
  36 #include "m_config.h"
  37 #include "playtree.h"
  38 #include "parser-mpcmd.h"
  39 #include "osdep/macosx_finder_args.h"
  40
  41 static int recursion_depth = 0;
  42 static int mode = 0;
  43
  44 #define GLOBAL 0
  45 #define LOCAL 1
  46 #define DROP_LOCAL 2
  47
  48 #define dvd_range(a)  (a>0 && a<256)
  49 #define UNSET_GLOBAL (mode = LOCAL)
  50 // Use this 1 if you want to have only global option (no per file option)
  51 // #define UNSET_GLOBAL (mode = GLOBAL)
  52
  53
  54 static int is_entry_option(char *opt, char *param, play_tree_t** ret) {
  55   play_tree_t* entry = NULL;
  56
  57   *ret = NULL;
  58
  59   if(strcasecmp(opt,"playlist") == 0) { // We handle playlist here
  60     if(!param)
  61       return M_OPT_MISSING_PARAM;
  62
  63     entry = parse_playlist_file(param);
  64     if(!entry)
  65       return -1;
  66     else {
  67        *ret=entry;
  68        return 1;
  69     }
  70   }
  71     return 0;
  72 }
  73
  74 static inline void add_entry(play_tree_t **last_parentp,
  75         play_tree_t **last_entryp, play_tree_t *entry) {
  76     if(*last_entryp == NULL)
  77       play_tree_set_child(*last_parentp,entry);
  78     else
  79       play_tree_append_entry(*last_entryp,entry);
  80     *last_entryp = entry;
  81 }
  82
  83 /// Setup the \ref Config from command line arguments and build a playtree.
  84 /** \ingroup ConfigParsers
  85  */
  86 play_tree_t*
  87 m_config_parse_mp_command_line(m_config_t *config, int argc, char **argv)
  88 {
  89   int i,j,start_title=-1,end_title=-1;
  90   char *opt,*splitpos=NULL;
  91   char entbuf[15];
  92   int no_more_opts = 0;
  93   int opt_exit = 0; // flag indicating whether mplayer should exit without playing anything
  94   play_tree_t *last_parent, *last_entry = NULL, *root;
  95
  96 #ifdef MP_DEBUG
  97   assert(config != NULL);
  98   assert(argv != NULL);
  99   assert(argc >= 1);
 100 #endif
 101
 102   config->mode = M_COMMAND_LINE;
 103   mode = GLOBAL;
 104 #ifdef CONFIG_MACOSX_FINDER
 105   root=macosx_finder_args(config, argc, argv);
 106   if(root)
 107         return root;
 108 #endif
 109
 110   last_parent = root = play_tree_new();
 111   /* in order to work recursion detection properly in parse_config_file */
 112   ++recursion_depth;
 113
 114   for (i = 1; i < argc; i++) {
 115     //next:
 116     opt = argv[i];
 117     /* check for -- (no more options id.) except --help! */
 118     if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) == 0))
 119       {
 120         no_more_opts = 1;
 121         if (i+1 >= argc)
 122           {
 123             mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_NoFileGivenOnCommandLine);
 124             goto err_out;
 125           }
 126         continue;
 127       }
 128     if((opt[0] == '{') && (opt[1] == '\0'))
 129       {
 130         play_tree_t* entry = play_tree_new();
 131         UNSET_GLOBAL;
 132         if(last_parent->flags & PLAY_TREE_RND)
 133           entry->flags |= PLAY_TREE_RND;
 134         if(last_entry == NULL) {
 135           play_tree_set_child(last_parent,entry);
 136         } else {
 137           play_tree_append_entry(last_entry,entry);
 138           last_entry = NULL;
 139         }
 140         last_parent = entry;
 141         continue;
 142       }
 143
 144     if((opt[0] == '}') && (opt[1] == '\0'))
 145       {
 146         if( ! last_parent || ! last_parent->parent) {
 147           mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too much }-\n");
 148           goto err_out;
 149         }
 150         last_entry = last_parent;
 151         last_parent = last_entry->parent;
 152         continue;
 153       }
 154
 155     if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
 156       {
 157         int tmp = 0;
 158         /* remove trailing '-' */
 159         opt++;
 160
 161         mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
 162         // We handle here some specific option
 163         // Loop option when it apply to a group
 164         if(strcasecmp(opt,"loop") == 0 &&
 165                   (! last_entry || last_entry->child) ) {
 166           int l;
 167           char* end = NULL;
 168           l = (i+1<argc) ? strtol(argv[i+1],&end,0) : 0;
 169           if(!end || *end != '\0') {
 170             mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_TheLoopOptionMustBeAnInteger, argv[i+1]);
 171             tmp = ERR_OUT_OF_RANGE;
 172           } else {
 173             play_tree_t* pt = last_entry ? last_entry : last_parent;
 174             l = l <= 0 ? -1 : l;
 175             pt->loop = l;
 176             tmp = 1;
 177           }
 178         } else if(strcasecmp(opt,"shuffle") == 0) {
 179           if(last_entry && last_entry->child)
 180             last_entry->flags |= PLAY_TREE_RND;
 181           else
 182             last_parent->flags |= PLAY_TREE_RND;
 183         } else if(strcasecmp(opt,"noshuffle") == 0) {
 184           if(last_entry && last_entry->child)
 185             last_entry->flags &= ~PLAY_TREE_RND;
 186           else
 187             last_parent->flags &= ~PLAY_TREE_RND;
 188         } else {
 189           const m_option_t* mp_opt = NULL;
 190           play_tree_t* entry = NULL;
 191
 192           tmp = is_entry_option(opt,(i+1<argc) ? argv[i + 1] : NULL,&entry);
 193           if(tmp > 0)  { // It's an entry
 194             if(entry) {
 195               add_entry(&last_parent,&last_entry,entry);
 196               if((last_parent->flags & PLAY_TREE_RND) && entry->child)
 197                 entry->flags |= PLAY_TREE_RND;
 198               UNSET_GLOBAL;
 199             } else if(mode == LOCAL) // Entry is empty we have to drop his params
 200               mode = DROP_LOCAL;
 201           } else if(tmp == 0) { // 'normal' options
 202             mp_opt = m_config_get_option(config,opt);
 203             if (mp_opt != NULL) { // Option exist
 204               if(mode == GLOBAL || (mp_opt->flags & M_OPT_GLOBAL))
 205                 tmp = (i+1<argc) ? m_config_set_option(config, opt, argv[i + 1])
 206                                  : m_config_set_option(config, opt, NULL);
 207               else {
 208                 tmp = m_config_check_option(config, opt, (i+1<argc) ? argv[i + 1] : NULL);
 209                 if(tmp >= 0 && mode != DROP_LOCAL) {
 210                   play_tree_t* pt = last_entry ? last_entry : last_parent;
 211                   play_tree_set_param(pt,opt, argv[i + 1]);
 212                 }
 213               }
 214             } else {
 215               tmp = M_OPT_UNKNOWN;
 216               mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_UnknownOptionOnCommandLine, opt);
 217             }
 218           }
 219         }
 220
 221         if (tmp <= M_OPT_EXIT) {
 222           opt_exit = 1;
 223           tmp = M_OPT_EXIT - tmp;
 224         } else
 225         if (tmp < 0) {
 226           mp_msg(MSGT_CFGPARSER, MSGL_FATAL, MSGTR_ErrorParsingOptionOnCommandLine, opt);
 227           goto err_out;
 228         }
 229         i += tmp;
 230       }
 231     else /* filename */
 232       {
 233         int is_dvdnav = strstr(argv[i],"dvdnav://") != NULL;
 234         play_tree_t* entry = play_tree_new();
 235         mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
 236         // if required expand DVD filename entries like dvd://1-3 into component titles
 237         if ( strstr(argv[i],"dvd://") != NULL || is_dvdnav)
 238         {
 239              int offset = is_dvdnav ? 9 : 6;
 240              splitpos=strstr(argv[i]+offset,"-");
 241              if(splitpos != NULL)
 242              {
 243                start_title=strtol(argv[i]+offset,NULL,10);
 244                if (start_title<0) { //entries like dvd://-2 start title implied 1
 245                    end_title=abs(start_title);
 246                    start_title=1;
 247                } else {
 248                    end_title=strtol(splitpos+1,NULL,10);
 249                }
 250
 251                if (dvd_range(start_title) && dvd_range(end_title) && (start_title<end_title))
 252                {
 253                  for (j=start_title;j<=end_title;j++)
 254                  {
 255                   if (j!=start_title)
 256                       entry=play_tree_new();
 257                   snprintf(entbuf,sizeof(entbuf),is_dvdnav ? "dvdnav://%d" : "dvd://%d",j);
 258                   play_tree_add_file(entry,entbuf);
 259                   add_entry(&last_parent,&last_entry,entry);
 260                   last_entry = entry;
 261                  }
 262                } else {
 263                  mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_InvalidPlayEntry, argv[i]);
 264                }
 265
 266              } else { // dvd:// or dvd://x entry
 267                 play_tree_add_file(entry,argv[i]);
 268              }
 269         } else {
 270         play_tree_add_file(entry,argv[i]);
 271         }
 272
 273         // Lock stdin if it will be used as input
 274         if(strcasecmp(argv[i],"-") == 0)
 275           m_config_set_option(config,"noconsolecontrols",NULL);
 276         add_entry(&last_parent,&last_entry,entry);
 277         UNSET_GLOBAL; // We start entry specific options
 278
 279       }
 280   }
 281
 282   if (opt_exit)
 283     goto err_out;
 284   --recursion_depth;
 285   if(last_parent != root)
 286     mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Missing }- ?\n");
 287   return root;
 288
 289  err_out:
 290   --recursion_depth;
 291   play_tree_free(root,1);
 292   return NULL;
 293 }