mirror of
https://github.com/mpv-player/mpv
synced 2024-11-14 22:48:35 +01:00
e4dc453ea0
allowing all kind of options to be used. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26440 b3059339-0415-0410-9bf9-f77b7e298cf2
287 lines
6.6 KiB
C
287 lines
6.6 KiB
C
|
|
/// \defgroup ConfigParsers Config parsers
|
|
///
|
|
/// The \ref ConfigParsers make use of the \ref Config to setup the config variables,
|
|
/// the command line parsers also build the playlist.
|
|
///@{
|
|
|
|
/// \file
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
|
|
#ifdef MP_DEBUG
|
|
#include <assert.h>
|
|
#endif
|
|
|
|
#include "parser-cfg.h"
|
|
#include "mp_msg.h"
|
|
#include "m_option.h"
|
|
#include "m_config.h"
|
|
|
|
/// Maximal include depth.
|
|
#define MAX_RECURSION_DEPTH 8
|
|
|
|
/// Current include depth.
|
|
static int recursion_depth = 0;
|
|
|
|
/// Setup the \ref Config from a config file.
|
|
/** \param config The config object.
|
|
* \param conffile Path to the config file.
|
|
* \return 1 on sucess, -1 on error.
|
|
*/
|
|
int m_config_parse_config_file(m_config_t* config, char *conffile)
|
|
{
|
|
#define PRINT_LINENUM mp_msg(MSGT_CFGPARSER,MSGL_V,"%s(%d): ", conffile, line_num)
|
|
#define MAX_LINE_LEN 10000
|
|
#define MAX_OPT_LEN 1000
|
|
#define MAX_PARAM_LEN 1500
|
|
FILE *fp;
|
|
char *line;
|
|
char opt[MAX_OPT_LEN + 1];
|
|
char param[MAX_PARAM_LEN + 1];
|
|
char c; /* for the "" and '' check */
|
|
int tmp;
|
|
int line_num = 0;
|
|
int line_pos; /* line pos */
|
|
int opt_pos; /* opt pos */
|
|
int param_pos; /* param pos */
|
|
int ret = 1;
|
|
int errors = 0;
|
|
int prev_mode = config->mode;
|
|
m_profile_t* profile = NULL;
|
|
|
|
#ifdef MP_DEBUG
|
|
assert(config != NULL);
|
|
// assert(conf_list != NULL);
|
|
#endif
|
|
mp_msg(MSGT_CFGPARSER,MSGL_V,"Reading config file %s", conffile);
|
|
|
|
if (recursion_depth > MAX_RECURSION_DEPTH) {
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,": too deep 'include'. check your configfiles\n");
|
|
ret = -1;
|
|
goto out;
|
|
} else
|
|
|
|
config->mode = M_CONFIG_FILE;
|
|
|
|
if ((line = malloc(MAX_LINE_LEN + 1)) == NULL) {
|
|
mp_msg(MSGT_CFGPARSER,MSGL_FATAL,"\ncan't get memory for 'line': %s", strerror(errno));
|
|
ret = -1;
|
|
goto out;
|
|
} else
|
|
|
|
mp_msg(MSGT_CFGPARSER,MSGL_V,"\n");
|
|
|
|
if ((fp = fopen(conffile, "r")) == NULL) {
|
|
mp_msg(MSGT_CFGPARSER,MSGL_V,": %s\n", strerror(errno));
|
|
free(line);
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
while (fgets(line, MAX_LINE_LEN, fp)) {
|
|
if (errors >= 16) {
|
|
mp_msg(MSGT_CFGPARSER,MSGL_FATAL,"too many errors\n");
|
|
goto out;
|
|
}
|
|
|
|
line_num++;
|
|
line_pos = 0;
|
|
|
|
/* skip whitespaces */
|
|
while (isspace(line[line_pos]))
|
|
++line_pos;
|
|
|
|
/* EOL / comment */
|
|
if (line[line_pos] == '\0' || line[line_pos] == '#')
|
|
continue;
|
|
|
|
/* read option. */
|
|
for (opt_pos = 0; isprint(line[line_pos]) &&
|
|
line[line_pos] != ' ' &&
|
|
line[line_pos] != '#' &&
|
|
line[line_pos] != '='; /* NOTHING */) {
|
|
opt[opt_pos++] = line[line_pos++];
|
|
if (opt_pos >= MAX_OPT_LEN) {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"too long option at line %d\n",line_num);
|
|
errors++;
|
|
ret = -1;
|
|
goto nextline;
|
|
}
|
|
}
|
|
if (opt_pos == 0) {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"parse error at line %d\n",line_num);
|
|
ret = -1;
|
|
errors++;
|
|
continue;
|
|
}
|
|
opt[opt_pos] = '\0';
|
|
|
|
/* Profile declaration */
|
|
if(opt_pos > 2 && opt[0] == '[' && opt[opt_pos-1] == ']') {
|
|
opt[opt_pos-1] = '\0';
|
|
if(strcmp(opt+1,"default"))
|
|
profile = m_config_add_profile(config,opt+1);
|
|
else
|
|
profile = NULL;
|
|
continue;
|
|
}
|
|
|
|
#ifdef MP_DEBUG
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_V,"option: %s\n", opt);
|
|
#endif
|
|
|
|
/* skip whitespaces */
|
|
while (isspace(line[line_pos]))
|
|
++line_pos;
|
|
|
|
/* check '=' */
|
|
if (line[line_pos++] != '=') {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"Option %s needs a parameter at line %d\n",opt,line_num);
|
|
ret = -1;
|
|
errors++;
|
|
continue;
|
|
}
|
|
|
|
/* whitespaces... */
|
|
while (isspace(line[line_pos]))
|
|
++line_pos;
|
|
|
|
/* read the parameter */
|
|
if (line[line_pos] == '"' || line[line_pos] == '\'') {
|
|
c = line[line_pos];
|
|
++line_pos;
|
|
for (param_pos = 0; line[line_pos] != c; /* NOTHING */) {
|
|
param[param_pos++] = line[line_pos++];
|
|
if (param_pos >= MAX_PARAM_LEN) {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"Option %s has a too long parameter at line %d\n",opt,line_num);
|
|
ret = -1;
|
|
errors++;
|
|
goto nextline;
|
|
}
|
|
}
|
|
line_pos++; /* skip the closing " or ' */
|
|
} else {
|
|
for (param_pos = 0; isprint(line[line_pos]) && !isspace(line[line_pos])
|
|
&& line[line_pos] != '#'; /* NOTHING */) {
|
|
param[param_pos++] = line[line_pos++];
|
|
if (param_pos >= MAX_PARAM_LEN) {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"too long parameter\n");
|
|
ret = -1;
|
|
errors++;
|
|
goto nextline;
|
|
}
|
|
}
|
|
}
|
|
param[param_pos] = '\0';
|
|
|
|
/* did we read a parameter? */
|
|
if (param_pos == 0) {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"Option %s needs a parameter at line %d\n",opt,line_num);
|
|
ret = -1;
|
|
errors++;
|
|
continue;
|
|
}
|
|
|
|
#ifdef MP_DEBUG
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_V,"parameter: %s\n", param);
|
|
#endif
|
|
|
|
/* now, check if we have some more chars on the line */
|
|
/* whitespace... */
|
|
while (isspace(line[line_pos]))
|
|
++line_pos;
|
|
|
|
/* EOL / comment */
|
|
if (line[line_pos] != '\0' && line[line_pos] != '#') {
|
|
PRINT_LINENUM;
|
|
mp_msg(MSGT_CFGPARSER,MSGL_WARN,"extra characters on line %d: %s\n",line_num, line+line_pos);
|
|
ret = -1;
|
|
}
|
|
|
|
if(profile) {
|
|
if(!strcmp(opt,"profile-desc"))
|
|
m_profile_set_desc(profile,param), tmp = 1;
|
|
else
|
|
tmp = m_config_set_profile_option(config,profile,
|
|
opt,param);
|
|
} else
|
|
tmp = m_config_set_option(config, opt, param);
|
|
if (tmp < 0) {
|
|
PRINT_LINENUM;
|
|
if(tmp == M_OPT_UNKNOWN) {
|
|
mp_msg(MSGT_CFGPARSER,MSGL_WARN,"Warning unknown option %s at line %d\n", opt,line_num);
|
|
continue;
|
|
}
|
|
mp_msg(MSGT_CFGPARSER,MSGL_ERR,"Error parsing option %s=%s at line %d\n",opt,param,line_num);
|
|
ret = -1;
|
|
errors++;
|
|
continue;
|
|
/* break */
|
|
}
|
|
nextline:
|
|
;
|
|
}
|
|
|
|
free(line);
|
|
fclose(fp);
|
|
out:
|
|
config->mode = prev_mode;
|
|
--recursion_depth;
|
|
return ret;
|
|
}
|
|
|
|
extern int mp_msg_levels[];
|
|
|
|
/// Parse the command line option that must be handled at startup.
|
|
int m_config_preparse_command_line(m_config_t *config, int argc, char **argv)
|
|
{
|
|
int msg_lvl, i, r, ret = 0;
|
|
char* arg;
|
|
m_option_t* opt;
|
|
|
|
// Hack to shutup the parser error messages.
|
|
msg_lvl = mp_msg_levels[MSGT_CFGPARSER];
|
|
mp_msg_levels[MSGT_CFGPARSER] = -11;
|
|
|
|
config->mode = M_COMMAND_LINE_PRE_PARSE;
|
|
|
|
for(i = 1 ; i < argc ; i++) {
|
|
arg = argv[i];
|
|
// Ignore non option
|
|
if(arg[0] != '-' || arg[1] == 0) continue;
|
|
arg++;
|
|
// No more options after --
|
|
if(arg[0] == '-' && arg[1] == 0) break;
|
|
|
|
opt = m_config_get_option(config,arg);
|
|
// Ignore invalid option
|
|
if(!opt) continue;
|
|
// Set, non-pre-parse options will be ignored
|
|
r = m_config_set_option(config,arg,
|
|
i+1 < argc ? argv[i+1] : NULL);
|
|
if(r < 0) ret = r;
|
|
else i += r;
|
|
}
|
|
|
|
mp_msg_levels[MSGT_CFGPARSER] = msg_lvl;
|
|
|
|
return ret;
|
|
}
|
|
|
|
///@}
|