mirror of https://github.com/mpv-player/mpv
312 lines
11 KiB
C
312 lines
11 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <stdbool.h>
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#include "mp_msg.h"
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#include "m_option.h"
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#include "m_config.h"
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#include "playtree.h"
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#include "parser-mpcmd.h"
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#include "osdep/macosx_finder_args.h"
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#define GLOBAL 0
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#define LOCAL 1
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#define dvd_range(a) (a > 0 && a < 256)
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static inline void add_entry(play_tree_t **last_parentp,
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play_tree_t **last_entryp, play_tree_t *entry)
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{
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if (*last_entryp == NULL)
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play_tree_set_child(*last_parentp, entry);
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else
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play_tree_append_entry(*last_entryp, entry);
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*last_entryp = entry;
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}
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static bool split_opt(struct bstr *opt, struct bstr *param, bool *old_syntax)
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{
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if (!bstr_startswith0(*opt, "-") || opt->len == 1)
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return false;
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if (bstr_startswith0(*opt, "--")) {
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*old_syntax = false;
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*opt = bstr_cut(*opt, 2);
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*param = bstr(NULL);
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int idx = bstrchr(*opt, '=');
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if (idx > 0) {
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*param = bstr_cut(*opt, idx + 1);
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*opt = bstr_splice(*opt, 0, idx);
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}
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} else {
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*old_syntax = true;
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*opt = bstr_cut(*opt, 1);
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}
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return true;
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}
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// Parse command line to set up config and playtree
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play_tree_t *m_config_parse_mp_command_line(m_config_t *config, int argc,
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char **argv)
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{
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int mode = 0;
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bool no_more_opts = false;
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bool opt_exit = false; // exit immediately after parsing (help options)
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play_tree_t *last_parent, *last_entry = NULL, *root;
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struct bstr orig_opt;
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assert(config != NULL);
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assert(argv != NULL);
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assert(argc >= 1);
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config->mode = M_COMMAND_LINE;
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mode = GLOBAL;
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#ifdef CONFIG_MACOSX_FINDER
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root = macosx_finder_args(config, argc, argv);
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if (root)
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return root;
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#endif
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last_parent = root = play_tree_new();
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for (int i = 1; i < argc; i++) {
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//next:
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struct bstr opt = bstr(argv[i]);
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orig_opt = opt;
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/* check for -- (no more options id.) except --help! */
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if (!bstrcmp0(opt, "--")) {
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no_more_opts = true;
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continue;
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}
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if (!bstrcmp0(opt, "{")) {
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play_tree_t *entry = play_tree_new();
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mode = LOCAL;
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if (last_parent->flags & PLAY_TREE_RND)
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entry->flags |= PLAY_TREE_RND;
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if (last_entry == NULL)
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play_tree_set_child(last_parent, entry);
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else {
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play_tree_append_entry(last_entry, entry);
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last_entry = NULL;
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}
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last_parent = entry;
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continue;
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}
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if (!bstrcmp0(opt, "}")) {
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if (!last_parent || !last_parent->parent) {
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mp_msg(MSGT_CFGPARSER, MSGL_ERR, "too much }-\n");
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goto err_out;
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}
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last_entry = last_parent;
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last_parent = last_entry->parent;
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continue;
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}
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struct bstr param = bstr(i+1 < argc ? argv[i+1] : NULL);
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bool old_syntax;
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if (!no_more_opts && split_opt(&opt, ¶m, &old_syntax)) {
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// Handle some special arguments outside option parser.
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// --loop when it applies to a group of files (per-file is option)
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if (bstrcasecmp0(opt, "loop") == 0 &&
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(!last_entry || last_entry->child)) {
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struct bstr rest;
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int l = bstrtoll(param, &rest, 0);
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if (!param.len || rest.len) {
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mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
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"The loop option must be an integer: \"%.*s\"\n",
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BSTR_P(param));
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goto print_err;
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} else {
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play_tree_t *pt = last_entry ? last_entry : last_parent;
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l = l <= 0 ? -1 : l;
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pt->loop = l;
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i += old_syntax;
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}
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} else if (bstrcasecmp0(opt, "shuffle") == 0) {
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if (last_entry && last_entry->child)
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last_entry->flags |= PLAY_TREE_RND;
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else
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last_parent->flags |= PLAY_TREE_RND;
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} else if (bstrcasecmp0(opt, "noshuffle") == 0 ||
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bstrcasecmp0(opt, "no-shuffle") == 0) {
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if (last_entry && last_entry->child)
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last_entry->flags &= ~PLAY_TREE_RND;
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else
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last_parent->flags &= ~PLAY_TREE_RND;
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} else if (bstrcasecmp0(opt, "playlist") == 0) {
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if (param.len <= 0)
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goto print_err;
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struct play_tree *entry = parse_playlist_file(config, param);
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if (!entry)
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goto print_err;
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add_entry(&last_parent, &last_entry, entry);
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if ((last_parent->flags & PLAY_TREE_RND) && entry->child)
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entry->flags |= PLAY_TREE_RND;
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mode = LOCAL;
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i += old_syntax;
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} else {
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// "normal" options
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const struct m_option *mp_opt;
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mp_opt = m_config_get_option(config, opt);
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if (!mp_opt) {
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mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
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"Unknown option on the command line: --%.*s\n",
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BSTR_P(opt));
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goto print_err;
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}
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int r;
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if (mode == GLOBAL || (mp_opt->flags & M_OPT_GLOBAL)) {
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r = m_config_set_option(config, opt, param, old_syntax);
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} else {
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r = m_config_check_option(config, opt, param, old_syntax);
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if (r >= 0) {
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play_tree_t *pt = last_entry ? last_entry : last_parent;
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if (r == 0)
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param = bstr(NULL); // for old_syntax case
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play_tree_set_param(pt, opt, param);
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}
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}
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if (r <= M_OPT_EXIT) {
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opt_exit = true;
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r = M_OPT_EXIT - r;
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} else if (r < 0) {
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char *msg = m_option_strerror(r);
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if (!msg)
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goto print_err;
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mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL,
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"Error parsing commandline option \"%.*s\": %s\n",
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BSTR_P(orig_opt), msg);
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goto err_out;
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}
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if (old_syntax)
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i += r;
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}
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} else { /* filename */
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int is_dvdnav = strstr(argv[i], "dvdnav://") != NULL;
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play_tree_t *entry = play_tree_new();
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mp_msg(MSGT_CFGPARSER, MSGL_DBG2, "Adding file %s\n", argv[i]);
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// expand DVD filename entries like dvd://1-3 into component titles
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if (strstr(argv[i], "dvd://") != NULL || is_dvdnav) {
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int offset = is_dvdnav ? 9 : 6;
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char *splitpos = strstr(argv[i] + offset, "-");
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if (splitpos != NULL) {
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int start_title = strtol(argv[i] + offset, NULL, 10);
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int end_title;
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//entries like dvd://-2 imply start at title 1
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if (start_title < 0) {
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end_title = abs(start_title);
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start_title = 1;
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} else
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end_title = strtol(splitpos + 1, NULL, 10);
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if (dvd_range(start_title) && dvd_range(end_title)
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&& (start_title < end_title)) {
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for (int j = start_title; j <= end_title; j++) {
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if (j != start_title)
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entry = play_tree_new();
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char entbuf[15];
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snprintf(entbuf, sizeof(entbuf),
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is_dvdnav ? "dvdnav://%d" : "dvd://%d", j);
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play_tree_add_file(entry, entbuf);
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add_entry(&last_parent, &last_entry, entry);
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last_entry = entry;
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}
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} else
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mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
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"Invalid play entry %s\n", argv[i]);
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} else // dvd:// or dvd://x entry
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play_tree_add_file(entry, argv[i]);
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} else
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play_tree_add_file(entry, argv[i]);
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// Lock stdin if it will be used as input
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if (strcasecmp(argv[i], "-") == 0)
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m_config_set_option0(config, "consolecontrols", "no", false);
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add_entry(&last_parent, &last_entry, entry);
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mode = LOCAL; // We start entry specific options
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}
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}
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if (opt_exit)
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goto err_out;
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if (last_parent != root)
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mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Missing }- ?\n");
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return root;
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print_err:
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mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL,
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"Error parsing option on the command line: %.*s\n",
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BSTR_P(orig_opt));
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err_out:
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play_tree_free(root, 1);
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return NULL;
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}
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extern int mp_msg_levels[];
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/* Parse some command line options early before main parsing.
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* --noconfig prevents reading configuration files (otherwise done before
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* command line parsing), and --really-quiet suppresses messages printed
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* during normal options parsing.
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*/
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int m_config_preparse_command_line(m_config_t *config, int argc, char **argv)
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{
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int ret = 0;
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// Hack to shut up parser error messages
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int msg_lvl_backup = mp_msg_levels[MSGT_CFGPARSER];
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mp_msg_levels[MSGT_CFGPARSER] = -11;
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config->mode = M_COMMAND_LINE_PRE_PARSE;
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for (int i = 1 ; i < argc ; i++) {
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struct bstr opt = bstr(argv[i]);
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// No more options after --
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if (!bstrcmp0(opt, "--"))
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break;
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struct bstr param = bstr(i+1 < argc ? argv[i+1] : NULL);
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bool old_syntax;
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if (!split_opt(&opt, ¶m, &old_syntax))
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continue; // Ignore non-option arguments
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// Ignore invalid options
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if (!m_config_get_option(config, opt))
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continue;
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// Set, non-pre-parse options will be ignored
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int r = m_config_set_option(config, opt, param, old_syntax);
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if (r < 0)
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ret = r;
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else if (old_syntax)
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i += r;
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}
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mp_msg_levels[MSGT_CFGPARSER] = msg_lvl_backup;
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return ret;
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}
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