mpv/parser-mecmd.c

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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/// \file
/// \ingroup ConfigParsers MEntry
#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 "m_option.h"
#include "m_config.h"
#include "parser-mecmd.h"
void
m_entry_list_free(m_entry_t* lst) {
int i,j;
for(i = 0 ; lst[i].name != NULL ; i++){
free(lst[i].name);
for(j = 0 ; lst[i].opts[2*j] != NULL ; j++) {
free(lst[i].opts[2*j]);
free(lst[i].opts[2*j+1]);
}
free(lst[i].opts);
}
free(lst);
}
int
m_entry_set_options(m_config_t *config, m_entry_t* entry) {
int i,r;
for(i = 0 ; entry->opts[2*i] != NULL ; i++){
r = m_config_set_option(config,entry->opts[2*i],entry->opts[2*i+1]);
if(r < 0)
return 0;
}
return 1;
}
m_entry_t*
m_config_parse_me_command_line(m_config_t *config, int argc, char **argv)
{
int i,nf = 0,no = 0;
int tmp;
char *opt;
int no_more_opts = 0;
int opt_exit = 0;
m_entry_t *lst = NULL, *entry = NULL;
#ifdef MP_DEBUG
assert(config != NULL);
assert(argv != NULL);
assert(argc >= 1);
#endif
config->mode = M_COMMAND_LINE;
lst = calloc(1,sizeof(m_entry_t));
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_tmsg(MSGT_CFGPARSER, MSGL_ERR, "'--' indicates no more options, but no filename was given on the command line.\n");
goto err_out;
}
continue;
}
if ((no_more_opts == 0) && (*opt == '-') && (*(opt+1) != 0)) /* option */
{
const m_option_t* mp_opt = NULL;
/* remove trailing '-' */
opt++;
mp_msg(MSGT_CFGPARSER, MSGL_DBG3, "this_opt = option: %s\n", opt);
mp_opt = m_config_get_option(config,opt);
if(!mp_opt) {
tmp = M_OPT_UNKNOWN;
mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "-%s is not an MEncoder option\n", opt);
goto err_out;
}
if(!entry || (mp_opt->flags & M_OPT_GLOBAL)){
tmp = m_config_set_option(config, opt, argv[i + 1]);
if (tmp <= M_OPT_EXIT) {
opt_exit = 1;
tmp = M_OPT_EXIT - tmp;
}
else
if(tmp < 0){
// mp_msg(MSGT_CFGPARSER, MSGL_ERR, "m_config_set_option() failed (%d)\n",tmp);
mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL, "Error parsing option on the command line: -%s\n", opt);
goto err_out;
}
} else {
tmp = m_config_check_option(config, opt, argv[i + 1]);
if (tmp <= M_OPT_EXIT) {
opt_exit = 1;
tmp = M_OPT_EXIT - tmp;
}
if(tmp >= 0) {
entry->opts = realloc(entry->opts,(no+2)*2*sizeof(char*));
entry->opts[2*no] = strdup(opt);
entry->opts[2*no+1] = argv[i + 1] ? strdup(argv[i + 1]) : NULL;
entry->opts[2*no+2] = entry->opts[2*no+3] = NULL;
no++;
} else {
// mp_msg(MSGT_CFGPARSER, MSGL_ERR, "m_config_set_option() failed (%d)\n",tmp);
goto err_out;
}
}
i += tmp;
} else {/* filename */
mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Adding file %s\n",argv[i]);
lst = realloc(lst,(nf+2)*sizeof(m_entry_t));
lst[nf].name = strdup(argv[i]);
lst[nf].opts = calloc(2,sizeof(char*));
entry = &lst[nf];
no = 0;
memset(&lst[nf+1],0,sizeof(m_entry_t));
nf++;
}
}
if (opt_exit)
exit(0);
if(nf == 0) {
m_entry_list_free(lst);
mp_tmsg(MSGT_CFGPARSER, MSGL_ERR, "No file given\n");
return NULL;
}
return lst;
err_out:
m_entry_list_free(lst);
return NULL;
}