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