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mpv/parser-mpcmd.c

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/// \file
/// \ingroup ConfigParsers Playtree
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef MP_DEBUG
#include <assert.h>
#endif
#include "mp_msg.h"
#include "help_mp.h"
#include "m_option.h"
#include "m_config.h"
#include "playtree.h"
#include "parser-mpcmd.h"
static int recursion_depth = 0;
static int mode = 0;
#define GLOBAL 0
#define LOCAL 1
#define DROP_LOCAL 2
#define dvd_range(a) (a>0 && a<256)
#define UNSET_GLOBAL (mode = LOCAL)
// Use this 1 if you want to have only global option (no per file option)
// #define UNSET_GLOBAL (mode = GLOBAL)
static int is_entry_option(char *opt, char *param, play_tree_t** ret) {
play_tree_t* entry = NULL;
*ret = NULL;
if(strcasecmp(opt,"playlist") == 0) { // We handle playlist here
if(!param)
return M_OPT_MISSING_PARAM;
entry = parse_playlist_file(param);
if(!entry)
return -1;
else {
*ret=entry;
return 1;
}
}
return 0;
}
static inline void add_entry(play_tree_t **last_parentp,
play_tree_t **last_entryp, play_tree_t *entry) {
if(*last_entryp == NULL)
play_tree_set_child(*last_parentp,entry);
else
play_tree_append_entry(*last_entryp,entry);
*last_entryp = entry;
}
/// Setup the \ref Config from command line arguments and build a playtree.
/** \ingroup ConfigParsers
*/
play_tree_t*
m_config_parse_mp_command_line(m_config_t *config, int argc, char **argv)
{
int i,j,start_title=-1,end_title=-1;
char *opt,*splitpos=NULL;
char entbuf[10];
int no_more_opts = 0;
int opt_exit = 0; // flag indicating whether mplayer should exit without playing anything
play_tree_t *last_parent, *last_entry = NULL, *root;
#ifdef CONFIG_MACOSX_FINDER
play_tree_t *macosx_finder_args(m_config_t *, int , char **);
#endif
#ifdef MP_DEBUG
assert(config != NULL);
assert(argv != NULL);
assert(argc >= 1);
#endif
config->mode = M_COMMAND_LINE;
mode = GLOBAL;
#ifdef CONFIG_MACOSX_FINDER
root=macosx_finder_args(config, argc, argv);
if(root)
return root;
#endif
last_parent = root = play_tree_new();
/* in order to work recursion detection properly in parse_config_file */
++recursion_depth;
for (i = 1; i < argc; i++) {
//next:
opt = argv[i];
/* check for -- (no more options id.) except --help! */
if ((*opt == '-') && (*(opt+1) == '-') && (*(opt+2) == 0))
{
no_more_opts = 1;
if (i+1 >= argc)
{
mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_NoFileGivenOnCommandLine);
goto err_out;
}
continue;
}
if((opt[0] == '{') && (opt[1] == '\0'))
{
play_tree_t* entry = play_tree_new();
UNSET_GLOBAL;
if(last_parent->flags & PLAY_TREE_RND)
entry->flags |= PLAY_TREE_RND;
if(last_entry == NULL) {
play_tree_set_child(last_parent,entry);
} else {
play_tree_append_entry(last_entry,entry);
last_entry = NULL;
}
last_parent = entry;
continue;
}
if((opt[0] == '}') && (opt[1] == '\0'))
{
if( ! last_parent || ! last_parent->parent) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too much }-\n");
goto err_out;
}
last_entry = last_parent;
last_parent = last_entry->parent;
continue;
}
if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
{
int tmp = 0;
/* remove trailing '-' */
opt++;
mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
// We handle here some specific option
// Loop option when it apply to a group
if(strcasecmp(opt,"loop") == 0 &&
(! last_entry || last_entry->child) ) {
int l;
char* end = NULL;
l = (i+1<argc) ? strtol(argv[i+1],&end,0) : 0;
if(!end || *end != '\0') {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_TheLoopOptionMustBeAnInteger, argv[i+1]);
tmp = ERR_OUT_OF_RANGE;
} else {
play_tree_t* pt = last_entry ? last_entry : last_parent;
l = l <= 0 ? -1 : l;
pt->loop = l;
tmp = 1;
}
} else if(strcasecmp(opt,"shuffle") == 0) {
if(last_entry && last_entry->child)
last_entry->flags |= PLAY_TREE_RND;
else
last_parent->flags |= PLAY_TREE_RND;
} else if(strcasecmp(opt,"noshuffle") == 0) {
if(last_entry && last_entry->child)
last_entry->flags &= ~PLAY_TREE_RND;
else
last_parent->flags &= ~PLAY_TREE_RND;
} else {
const m_option_t* mp_opt = NULL;
play_tree_t* entry = NULL;
tmp = is_entry_option(opt,(i+1<argc) ? argv[i + 1] : NULL,&entry);
if(tmp > 0) { // It's an entry
if(entry) {
add_entry(&last_parent,&last_entry,entry);
if((last_parent->flags & PLAY_TREE_RND) && entry->child)
entry->flags |= PLAY_TREE_RND;
UNSET_GLOBAL;
} else if(mode == LOCAL) // Entry is empty we have to drop his params
mode = DROP_LOCAL;
} else if(tmp == 0) { // 'normal' options
mp_opt = m_config_get_option(config,opt);
if (mp_opt != NULL) { // Option exist
if(mode == GLOBAL || (mp_opt->flags & M_OPT_GLOBAL))
tmp = (i+1<argc) ? m_config_set_option(config, opt, argv[i + 1])
: m_config_set_option(config, opt, NULL);
else {
tmp = m_config_check_option(config, opt, (i+1<argc) ? argv[i + 1] : NULL);
if(tmp >= 0 && mode != DROP_LOCAL) {
play_tree_t* pt = last_entry ? last_entry : last_parent;
play_tree_set_param(pt,opt, argv[i + 1]);
}
}
} else {
tmp = M_OPT_UNKNOWN;
mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_UnknownOptionOnCommandLine, opt);
}
}
}
if (tmp <= M_OPT_EXIT) {
opt_exit = 1;
tmp = M_OPT_EXIT - tmp;
} else
if (tmp < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_FATAL, MSGTR_ErrorParsingOptionOnCommandLine, opt);
goto err_out;
}
i += tmp;
}
else /* filename */
{
play_tree_t* entry = play_tree_new();
mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
// if required expand DVD filename entries like dvd://1-3 into component titles
if ( strstr(argv[i],"dvd://") != NULL )
{
splitpos=strstr(argv[i]+6,"-");
if(splitpos != NULL)
{
start_title=strtol(argv[i]+6,NULL,10);
if (start_title<0) { //entries like dvd://-2 start title implied 1
end_title=abs(start_title);
start_title=1;
} else {
end_title=strtol(splitpos+1,NULL,10);
}
if (dvd_range(start_title) && dvd_range(end_title) && (start_title<end_title))
{
for (j=start_title;j<=end_title;j++)
{
if (j!=start_title)
entry=play_tree_new();
snprintf(entbuf,9,"dvd://%d",j);
play_tree_add_file(entry,entbuf);
add_entry(&last_parent,&last_entry,entry);
last_entry = entry;
}
} else {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_InvalidPlayEntry, argv[i]);
}
} else { // dvd:// or dvd://x entry
play_tree_add_file(entry,argv[i]);
}
} else {
play_tree_add_file(entry,argv[i]);
}
// Lock stdin if it will be used as input
if(strcasecmp(argv[i],"-") == 0)
m_config_set_option(config,"noconsolecontrols",NULL);
add_entry(&last_parent,&last_entry,entry);
UNSET_GLOBAL; // We start entry specific options
}
}
if (opt_exit)
goto err_out;
--recursion_depth;
if(last_parent != root)
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Missing }- ?\n");
return root;
err_out:
--recursion_depth;
play_tree_free(root,1);
return NULL;
}
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