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-rw-r--r--core/parser-mpcmd.c358
1 files changed, 358 insertions, 0 deletions
diff --git a/core/parser-mpcmd.c b/core/parser-mpcmd.c
new file mode 100644
index 0000000000..730e4c581f
--- /dev/null
+++ b/core/parser-mpcmd.c
@@ -0,0 +1,358 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <stdbool.h>
+
+#include "mp_msg.h"
+#include "m_option.h"
+#include "m_config.h"
+#include "playlist.h"
+#include "playlist_parser.h"
+#include "parser-mpcmd.h"
+#include "osdep/macosx_finder_args.h"
+
+#define GLOBAL 0
+#define LOCAL 1
+
+#define dvd_range(a) (a > 0 && a < 256)
+
+
+struct parse_state {
+ struct m_config *config;
+ int argc;
+ char **argv;
+
+ bool no_more_opts;
+ bool error;
+
+ const struct m_option *mp_opt; // NULL <=> it's a file arg
+ struct bstr arg;
+ struct bstr param;
+};
+
+// Returns 0 if a valid option/file is available, <0 on error, 1 on end of args.
+static int split_opt_silent(struct parse_state *p)
+{
+ assert(!p->error);
+
+ if (p->argc < 1)
+ return 1;
+
+ p->mp_opt = NULL;
+ p->arg = bstr0(p->argv[0]);
+ p->param = bstr0(NULL);
+
+ p->argc--;
+ p->argv++;
+
+ if (p->no_more_opts || !bstr_startswith0(p->arg, "-") || p->arg.len == 1)
+ return 0;
+
+ if (bstrcmp0(p->arg, "--") == 0) {
+ p->no_more_opts = true;
+ return split_opt_silent(p);
+ }
+
+ bool old_syntax = !bstr_startswith0(p->arg, "--");
+ if (old_syntax) {
+ p->arg = bstr_cut(p->arg, 1);
+ } else {
+ p->arg = bstr_cut(p->arg, 2);
+ int idx = bstrchr(p->arg, '=');
+ if (idx > 0) {
+ p->param = bstr_cut(p->arg, idx + 1);
+ p->arg = bstr_splice(p->arg, 0, idx);
+ }
+ }
+
+ p->mp_opt = m_config_get_option(p->config, p->arg);
+ if (!p->mp_opt) {
+ // Automagic "no-" arguments: "--no-bla" turns into "--bla=no".
+ if (!bstr_startswith0(p->arg, "no-"))
+ return -1;
+
+ struct bstr s = bstr_cut(p->arg, 3);
+ p->mp_opt = m_config_get_option(p->config, s);
+ if (!p->mp_opt || p->mp_opt->type != &m_option_type_flag)
+ return -1;
+ // Avoid allowing "--no-no-bla".
+ if (bstr_startswith(bstr0(p->mp_opt->name), bstr0("no-")))
+ return -1;
+ // Flag options never have parameters.
+ old_syntax = false;
+ if (p->param.len)
+ return -2;
+ p->arg = s;
+ p->param = bstr0("no");
+ }
+
+ if (bstr_endswith0(p->arg, "-clr"))
+ old_syntax = false;
+
+ if (old_syntax && !(p->mp_opt->type->flags & M_OPT_TYPE_OLD_SYNTAX_NO_PARAM))
+ {
+ if (p->argc < 1)
+ return -3;
+ p->param = bstr0(p->argv[0]);
+ p->argc--;
+ p->argv++;
+ }
+
+ return 0;
+}
+
+// Returns true if more args, false if all parsed or an error occurred.
+static bool split_opt(struct parse_state *p)
+{
+ int r = split_opt_silent(p);
+ if (r >= 0)
+ return r == 0;
+ p->error = true;
+ if (r == -2)
+ mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
+ "A no-* option can't take parameters: --%.*s=%.*s\n",
+ BSTR_P(p->arg), BSTR_P(p->param));
+ else if (r == -3)
+ mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
+ "Option %.*s needs a parameter.\n", BSTR_P(p->arg));
+ else
+ mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
+ "Unknown option on the command line: %.*s\n",
+ BSTR_P(p->arg));
+ return false;
+}
+
+static bool parse_flag(bstr name, bstr f)
+{
+ struct m_option opt = {NULL, NULL, CONF_TYPE_FLAG, 0, 0, 1, NULL};
+ int val = 0;
+ m_option_parse(&opt, name, f, &val);
+ return !!val;
+}
+
+bool m_config_parse_mp_command_line(m_config_t *config, struct playlist *files,
+ int argc, char **argv)
+{
+ int mode = 0;
+ struct playlist_entry *local_start = NULL;
+ bool shuffle = false;
+
+ int local_params_count = 0;
+ struct playlist_param *local_params = 0;
+
+ assert(config != NULL);
+ assert(!config->file_local_mode);
+
+ config->mode = M_COMMAND_LINE;
+ mode = GLOBAL;
+#ifdef CONFIG_MACOSX_FINDER
+ if (macosx_finder_args(config, files, argc, argv))
+ return true;
+#endif
+
+ struct parse_state p = {config, argc, argv};
+ while (split_opt(&p)) {
+ if (p.mp_opt) {
+ int r;
+ if (mode == GLOBAL && !(p.mp_opt->flags & M_OPT_PRE_PARSE)) {
+ r = m_config_set_option(config, p.arg, p.param);
+ } else {
+ r = m_config_check_option(config, p.arg, p.param);
+ }
+ if (r <= M_OPT_EXIT)
+ goto err_out;
+ if (r < 0) {
+ char *msg = m_option_strerror(r);
+ if (!msg)
+ goto print_err;
+ mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL,
+ "Error parsing commandline option %.*s: %s\n",
+ BSTR_P(p.arg), msg);
+ goto err_out;
+ }
+
+ // Handle some special arguments outside option parser.
+
+ if (!bstrcmp0(p.arg, "{")) {
+ if (mode != GLOBAL) {
+ mp_msg(MSGT_CFGPARSER, MSGL_ERR,
+ "'--{' can not be nested.\n");
+ goto err_out;
+ }
+ mode = LOCAL;
+ // Needed for option checking.
+ m_config_enter_file_local(config);
+ assert(!local_start);
+ local_start = files->last;
+ continue;
+ }
+
+ if (!bstrcmp0(p.arg, "}")) {
+ if (mode != LOCAL) {
+ mp_msg(MSGT_CFGPARSER, MSGL_ERR,
+ "Too many closing '--}'.\n");
+ goto err_out;
+ }
+ if (local_params_count) {
+ // The files added between '{' and '}' are the entries from
+ // the entry _after_ local_start, until the end of the list.
+ // If local_start is NULL, the list was empty on '{', and we
+ // want all files in the list.
+ struct playlist_entry *cur
+ = local_start ? local_start->next : files->first;
+ if (!cur)
+ mp_msg(MSGT_CFGPARSER, MSGL_WARN, "Ignored options!\n");
+ while (cur) {
+ playlist_entry_add_params(cur, local_params,
+ local_params_count);
+ cur = cur->next;
+ }
+ }
+ local_params_count = 0;
+ mode = GLOBAL;
+ m_config_leave_file_local(config);
+ local_start = NULL;
+ shuffle = false;
+ continue;
+ }
+
+ if (bstrcmp0(p.arg, "shuffle") == 0) {
+ shuffle = parse_flag(p.arg, p.param);
+ continue;
+ }
+
+ if (bstrcmp0(p.arg, "playlist") == 0) {
+ // append the playlist to the local args
+ char *param0 = bstrdup0(NULL, p.param);
+ struct playlist *pl = playlist_parse_file(param0);
+ talloc_free(param0);
+ if (!pl)
+ goto print_err;
+ playlist_transfer_entries(files, pl);
+ talloc_free(pl);
+ continue;
+ }
+
+ if (bstrcmp0(p.arg, "v") == 0) {
+ verbose++;
+ continue;
+ }
+
+ if (mode == LOCAL) {
+ MP_TARRAY_APPEND(NULL, local_params, local_params_count,
+ (struct playlist_param) {p.arg, p.param});
+ }
+ } else {
+ // filename
+ bstr file = p.arg;
+ char *file0 = bstrdup0(NULL, p.arg);
+ // expand DVD filename entries like dvd://1-3 into component titles
+ if (bstr_startswith0(file, "dvd://")) {
+ int offset = 6;
+ char *splitpos = strstr(file0 + offset, "-");
+ if (splitpos != NULL) {
+ int start_title = strtol(file0 + offset, NULL, 10);
+ int end_title;
+ //entries like dvd://-2 imply start at title 1
+ if (start_title < 0) {
+ 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 (int j = start_title; j <= end_title; j++) {
+ char entbuf[15];
+ snprintf(entbuf, sizeof(entbuf), "dvd://%d", j);
+ playlist_add_file(files, entbuf);
+ }
+ } else
+ mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
+ "Invalid play entry %s\n", file0);
+
+ } else // dvd:// or dvd://x entry
+ playlist_add_file(files, file0);
+ } else
+ playlist_add_file(files, file0);
+ talloc_free(file0);
+
+ // Lock stdin if it will be used as input
+ if (bstrcmp0(file, "-") == 0)
+ m_config_set_option0(config, "consolecontrols", "no");
+ }
+ }
+
+ if (p.error)
+ goto err_out;
+
+ if (mode != GLOBAL) {
+ mp_tmsg(MSGT_CFGPARSER, MSGL_ERR,
+ "Missing closing --} on command line.\n");
+ goto err_out;
+ }
+
+ if (shuffle)
+ playlist_shuffle(files);
+
+ talloc_free(local_params);
+ assert(!config->file_local_mode);
+ return true;
+
+print_err:
+ mp_tmsg(MSGT_CFGPARSER, MSGL_FATAL,
+ "Error parsing option on the command line: %.*s\n", BSTR_P(p.arg));
+err_out:
+ talloc_free(local_params);
+ if (config->file_local_mode)
+ m_config_leave_file_local(config);
+ return false;
+}
+
+extern int mp_msg_levels[];
+
+/* Parse some command line options early before main parsing.
+ * --noconfig prevents reading configuration files (otherwise done before
+ * command line parsing), and --really-quiet suppresses messages printed
+ * during normal options parsing.
+ */
+void m_config_preparse_command_line(m_config_t *config, int argc, char **argv)
+{
+ // Hack to shut up parser error messages
+ int msg_lvl_backup = mp_msg_levels[MSGT_CFGPARSER];
+ mp_msg_levels[MSGT_CFGPARSER] = -11;
+
+ struct parse_state p = {config, argc, argv};
+ while (split_opt_silent(&p) == 0) {
+ if (p.mp_opt) {
+ // Ignore non-pre-parse options. They will be set later.
+ // Option parsing errors will be handled later as well.
+ if (p.mp_opt->flags & M_OPT_PRE_PARSE)
+ m_config_set_option(config, p.arg, p.param);
+ }
+ }
+
+ mp_msg_levels[MSGT_CFGPARSER] = msg_lvl_backup;
+}