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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 Config
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#ifdef MP_DEBUG
#include <assert.h>
#endif
#include "m_config.h"
#include "m_option.h"
#include "mp_msg.h"
#include "help_mp.h"
#define MAX_PROFILE_DEPTH 20
static int parse_profile(const m_option_t *opt, const char *name,
const char *param, void *dst, int src)
{
m_config_t *config = opt->priv;
char **list = NULL;
int i, r;
if (param && !strcmp(param, "help")) {
m_profile_t *p;
if (!config->profiles) {
mp_msg(MSGT_CFGPARSER, MSGL_INFO, MSGTR_NoProfileDefined);
return M_OPT_EXIT-1;
}
mp_msg(MSGT_CFGPARSER, MSGL_INFO, MSGTR_AvailableProfiles);
for (p = config->profiles; p; p = p->next)
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\t%s\t%s\n", p->name,
p->desc ? p->desc : "");
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\n");
return M_OPT_EXIT-1;
}
r = m_option_type_string_list.parse(opt, name, param, &list,src);
if (r < 0)
return r;
if (!list || !list[0])
return M_OPT_INVALID;
for (i = 0; list[i]; i++)
if (!m_config_get_profile(config,list[i])) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, MSGTR_UnknownProfile, list[i]);
r = M_OPT_INVALID;
}
if (dst)
m_option_copy(opt, dst, &list);
else
m_option_free(opt, &list);
return r;
}
static void
set_profile(const m_option_t *opt, void *dst, const void *src)
{
m_config_t *config = opt->priv;
m_profile_t *p;
char **list = NULL;
int i;
if (!src || !*(char***)src)
return;
m_option_copy(opt,&list,src);
for (i = 0; list[i]; i++) {
p = m_config_get_profile(config, list[i]);
if (!p)
continue;
m_config_set_profile(config, p);
}
m_option_free(opt, &list);
}
static int show_profile(m_option_t *opt, char* name, char *param)
{
m_config_t *config = opt->priv;
m_profile_t *p;
int i, j;
if (!param)
return M_OPT_MISSING_PARAM;
if (!(p = m_config_get_profile(config, param))) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR, MSGTR_UnknownProfile, param);
return M_OPT_EXIT - 1;
}
if (!config->profile_depth)
mp_msg(MSGT_CFGPARSER, MSGL_INFO, MSGTR_Profile, param,
p->desc ? p->desc : "");
config->profile_depth++;
for (i = 0; i < p->num_opts; i++) {
char spc[config->profile_depth + 1];
for (j = 0; j < config->profile_depth; j++)
spc[j] = ' ';
spc[config->profile_depth] = '\0';
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "%s%s=%s\n", spc,
p->opts[2 * i], p->opts[2 * i + 1]);
if (config->profile_depth < MAX_PROFILE_DEPTH &&
!strcmp(p->opts[2*i],"profile")) {
char *e, *list = p->opts[2 * i + 1];
while ((e = strchr(list, ','))) {
int l = e-list;
char tmp[l+1];
if (!l)
continue;
memcpy(tmp, list, l);
tmp[l] = '\0';
show_profile(opt, name, tmp);
list = e+1;
}
if (list[0] != '\0')
show_profile(opt, name, list);
}
}
config->profile_depth--;
if (!config->profile_depth)
mp_msg(MSGT_CFGPARSER, MSGL_INFO, "\n");
return M_OPT_EXIT - 1;
}
static int list_options(m_option_t *opt, char* name, char *param)
{
m_config_t *config = opt->priv;
m_config_print_option_list(config);
return M_OPT_EXIT;
}
m_config_t*
m_config_new(void) {
m_config_t* config;
static int initialized = 0;
static m_option_type_t profile_opt_type;
static m_option_t ref_opts[] = {
{ "profile", NULL, &profile_opt_type, CONF_NOSAVE, 0, 0, NULL },
{ "show-profile", show_profile, CONF_TYPE_PRINT_FUNC, CONF_NOCFG, 0, 0, NULL },
{ "list-options", list_options, CONF_TYPE_PRINT_FUNC, CONF_NOCFG, 0, 0, NULL },
{ NULL, NULL, NULL, 0, 0, 0, NULL }
};
int i;
config = calloc(1,sizeof(m_config_t));
if (!config) return NULL;
config->lvl = 1; // 0 Is the defaults
if(!initialized) {
initialized = 1;
profile_opt_type = m_option_type_string_list;
profile_opt_type.parse = parse_profile;
profile_opt_type.set = set_profile;
}
config->self_opts = malloc(sizeof(ref_opts));
if (!config->self_opts) {
free(config);
return NULL;
}
memcpy(config->self_opts,ref_opts,sizeof(ref_opts));
for(i = 0 ; config->self_opts[i].name ; i++)
config->self_opts[i].priv = config;
m_config_register_options(config,config->self_opts);
return config;
}
void
m_config_free(m_config_t* config) {
m_config_option_t *i = config->opts, *ct;
m_config_save_slot_t *sl,*st;
m_profile_t *p,*pn;
int j;
#ifdef MP_DEBUG
assert(config != NULL);
#endif
while(i) {
if (i->flags & M_CFG_OPT_ALIAS)
sl = NULL;
else
sl = i->slots;
while(sl) {
m_option_free(i->opt,sl->data);
st = sl->prev;
free(sl);
sl = st;
}
if(i->name != i->opt->name)
free(i->name);
if(i->opt->p && (i->opt->type->flags & M_OPT_TYPE_DYNAMIC))
m_option_free(i->opt, i->opt->p);
ct = i->next;
free(i);
i = ct;
}
for(p = config->profiles ; p ; p = pn) {
pn = p->next;
free(p->name);
free(p->desc);
for(j = 0 ; j < p->num_opts ; j++) {
free(p->opts[2*j]);
free(p->opts[2*j + 1]);
}
free(p->opts);
free(p);
}
free(config->self_opts);
free(config);
}
void
m_config_push(m_config_t* config) {
m_config_option_t *co;
m_config_save_slot_t *slot;
#ifdef MP_DEBUG
assert(config != NULL);
assert(config->lvl > 0);
#endif
config->lvl++;
for(co = config->opts ; co ; co = co->next ) {
if(co->opt->type->flags & M_OPT_TYPE_HAS_CHILD)
continue;
if(co->opt->flags & (M_OPT_GLOBAL|M_OPT_NOSAVE))
continue;
if((co->opt->flags & M_OPT_OLD) && !(co->flags & M_CFG_OPT_SET))
continue;
if(co->flags & M_CFG_OPT_ALIAS)
continue;
// Update the current status
m_option_save(co->opt,co->slots->data,co->opt->p);
// Allocate a new slot
slot = calloc(1,sizeof(m_config_save_slot_t) + co->opt->type->size);
slot->lvl = config->lvl;
slot->prev = co->slots;
co->slots = slot;
m_option_copy(co->opt,co->slots->data,co->slots->prev->data);
// Reset our set flag
co->flags &= ~M_CFG_OPT_SET;
}
mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Config pushed level is now %d\n",config->lvl);
}
void
m_config_pop(m_config_t* config) {
m_config_option_t *co;
m_config_save_slot_t *slot;
#ifdef MP_DEBUG
assert(config != NULL);
assert(config->lvl > 1);
#endif
for(co = config->opts ; co ; co = co->next ) {
int pop = 0;
if(co->opt->type->flags & M_OPT_TYPE_HAS_CHILD)
continue;
if(co->opt->flags & (M_OPT_GLOBAL|M_OPT_NOSAVE))
continue;
if(co->flags & M_CFG_OPT_ALIAS)
continue;
if(co->slots->lvl > config->lvl)
mp_msg(MSGT_CFGPARSER, MSGL_WARN,MSGTR_SaveSlotTooOld,config->lvl,co->slots->lvl);
while(co->slots->lvl >= config->lvl) {
m_option_free(co->opt,co->slots->data);
slot = co->slots;
co->slots = slot->prev;
free(slot);
pop++;
}
if(pop) // We removed some ctx -> set the previous value
m_option_set(co->opt,co->opt->p,co->slots->data);
}
config->lvl--;
mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Config poped level=%d\n",config->lvl);
}
static void
m_config_add_option(m_config_t *config, const m_option_t *arg, const char* prefix) {
m_config_option_t *co;
m_config_save_slot_t* sl;
#ifdef MP_DEBUG
assert(config != NULL);
assert(config->lvl > 0);
assert(arg != NULL);
#endif
// Allocate a new entry for this option
co = calloc(1,sizeof(m_config_option_t) + arg->type->size);
co->opt = arg;
// Fill in the full name
if(prefix && strlen(prefix) > 0) {
int l = strlen(prefix) + 1 + strlen(arg->name) + 1;
co->name = malloc(l);
sprintf(co->name,"%s:%s",prefix,arg->name);
} else
co->name = arg->name;
// Option with children -> add them
if(arg->type->flags & M_OPT_TYPE_HAS_CHILD) {
const m_option_t *ol = arg->p;
int i;
co->slots = NULL;
for(i = 0 ; ol[i].name != NULL ; i++)
m_config_add_option(config,&ol[i], co->name);
} else {
m_config_option_t *i;
// Check if there is already an option pointing to this address
if(arg->p) {
for(i = config->opts ; i ; i = i->next ) {
if(i->opt->p == arg->p) { // So we don't save the same vars more than 1 time
co->slots = i->slots;
co->flags |= M_CFG_OPT_ALIAS;
break;
}
}
}
if(!(co->flags & M_CFG_OPT_ALIAS)) {
// Allocate a slot for the defaults
sl = calloc(1,sizeof(m_config_save_slot_t) + arg->type->size);
m_option_save(arg,sl->data,(void**)arg->p);
// Hack to avoid too much trouble with dynamically allocated data :
// We always use a dynamic version
if((arg->type->flags & M_OPT_TYPE_DYNAMIC) && arg->p && (*(void**)arg->p)) {
*(void**)arg->p = NULL;
m_option_set(arg,arg->p,sl->data);
}
sl->lvl = 0;
sl->prev = NULL;
co->slots = calloc(1,sizeof(m_config_save_slot_t) + arg->type->size);
co->slots->prev = sl;
co->slots->lvl = config->lvl;
m_option_copy(co->opt,co->slots->data,sl->data);
} // !M_OPT_ALIAS
}
co->next = config->opts;
config->opts = co;
}
int
m_config_register_options(m_config_t *config, const m_option_t *args) {
int i;
#ifdef MP_DEBUG
assert(config != NULL);
assert(config->lvl > 0);
assert(args != NULL);
#endif
for(i = 0 ; args[i].name != NULL ; i++)
m_config_add_option(config,&args[i],NULL);
return 1;
}
static m_config_option_t*
m_config_get_co(const m_config_t *config, char *arg) {
m_config_option_t *co;
for(co = config->opts ; co ; co = co->next ) {
int l = strlen(co->name) - 1;
if((co->opt->type->flags & M_OPT_TYPE_ALLOW_WILDCARD) &&
(co->name[l] == '*')) {
if(strncasecmp(co->name,arg,l) == 0)
return co;
} else if(strcasecmp(co->name,arg) == 0)
return co;
}
return NULL;
}
static int
m_config_parse_option(const m_config_t *config, char *arg, char *param, int set) {
m_config_option_t *co;
int r = 0;
#ifdef MP_DEBUG
assert(config != NULL);
assert(config->lvl > 0);
assert(arg != NULL);
#endif
co = m_config_get_co(config,arg);
if(!co){
// mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Unknown option: %s\n",arg);
return M_OPT_UNKNOWN;
}
#ifdef MP_DEBUG
// This is the only mandatory function
assert(co->opt->type->parse);
#endif
// Check if this option isn't forbidden in the current mode
if((config->mode == M_CONFIG_FILE) && (co->opt->flags & M_OPT_NOCFG)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,MSGTR_InvalidCfgfileOption,arg);
return M_OPT_INVALID;
}
if((config->mode == M_COMMAND_LINE) && (co->opt->flags & M_OPT_NOCMD)) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,MSGTR_InvalidCmdlineOption,arg);
return M_OPT_INVALID;
}
// During command line preparse set only pre-parse options
// Otherwise only set pre-parse option if they were not already set.
if(((config->mode == M_COMMAND_LINE_PRE_PARSE) &&
!(co->opt->flags & M_OPT_PRE_PARSE)) ||
((config->mode != M_COMMAND_LINE_PRE_PARSE) &&
(co->opt->flags & M_OPT_PRE_PARSE) && (co->flags & M_CFG_OPT_SET)))
set = 0;
// Option with children are a bit different to parse
if(co->opt->type->flags & M_OPT_TYPE_HAS_CHILD) {
char** lst = NULL;
int i,sr;
// Parse the child options
r = m_option_parse(co->opt,arg,param,&lst,M_COMMAND_LINE);
// Set them now
if(r >= 0)
for(i = 0 ; lst && lst[2*i] ; i++) {
int l = strlen(co->name) + 1 + strlen(lst[2*i]) + 1;
if(r >= 0) {
// Build the full name
char n[l];
sprintf(n,"%s:%s",co->name,lst[2*i]);
sr = m_config_parse_option(config,n,lst[2*i+1],set);
if(sr < 0){
if(sr == M_OPT_UNKNOWN){
mp_msg(MSGT_CFGPARSER, MSGL_ERR,MSGTR_InvalidSuboption,co->name,lst[2*i]);
r = M_OPT_INVALID;
} else
if(sr == M_OPT_MISSING_PARAM){
mp_msg(MSGT_CFGPARSER, MSGL_ERR,MSGTR_MissingSuboptionParameter,lst[2*i],co->name);
r = M_OPT_INVALID;
} else
r = sr;
}
}
free(lst[2*i]);
free(lst[2*i+1]);
}
free(lst);
} else
r = m_option_parse(co->opt,arg,param,set ? co->slots->data : NULL,config->mode);
// Parsing failed ?
if(r < 0)
return r;
// Set the option
if(set) {
m_option_set(co->opt,co->opt->p,co->slots->data);
co->flags |= M_CFG_OPT_SET;
}
return r;
}
int
m_config_set_option(m_config_t *config, char* arg, char* param) {
mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Setting %s=%s\n",arg,param);
return m_config_parse_option(config,arg,param,1);
}
int
m_config_check_option(const m_config_t *config, char *arg, char *param) {
int r;
mp_msg(MSGT_CFGPARSER, MSGL_DBG2,"Checking %s=%s\n",arg,param);
r=m_config_parse_option(config,arg,param,0);
if(r==M_OPT_MISSING_PARAM){
mp_msg(MSGT_CFGPARSER, MSGL_ERR,MSGTR_MissingOptionParameter,arg);
return M_OPT_INVALID;
}
return r;
}
const m_option_t*
m_config_get_option(const m_config_t *config, char *arg) {
m_config_option_t *co;
#ifdef MP_DEBUG
assert(config != NULL);
assert(config->lvl > 0);
assert(arg != NULL);
#endif
co = m_config_get_co(config,arg);
if(co)
return co->opt;
else
return NULL;
}
void
m_config_print_option_list(const m_config_t *config) {
char min[50],max[50];
m_config_option_t* co;
int count = 0;
if(!config->opts) return;
mp_msg(MSGT_CFGPARSER, MSGL_INFO, MSGTR_OptionListHeader);
for(co = config->opts ; co ; co = co->next) {
const m_option_t* opt = co->opt;
if(opt->type->flags & M_OPT_TYPE_HAS_CHILD) continue;
if(opt->flags & M_OPT_MIN)
sprintf(min,"%-8.0f",opt->min);
else
strcpy(min,"No");
if(opt->flags & M_OPT_MAX)
sprintf(max,"%-8.0f",opt->max);
else
strcpy(max,"No");
mp_msg(MSGT_CFGPARSER, MSGL_INFO, " %-20.20s %-15.15s %-10.10s %-10.10s %-3.3s %-3.3s %-3.3s\n",
co->name,
co->opt->type->name,
min,
max,
opt->flags & CONF_GLOBAL ? "Yes" : "No",
opt->flags & CONF_NOCMD ? "No" : "Yes",
opt->flags & CONF_NOCFG ? "No" : "Yes");
count++;
}
mp_msg(MSGT_CFGPARSER, MSGL_INFO, MSGTR_TotalOptions,count);
}
m_profile_t*
m_config_get_profile(const m_config_t *config, char *name) {
m_profile_t* p;
for(p = config->profiles ; p ; p = p->next)
if(!strcmp(p->name,name)) return p;
return NULL;
}
m_profile_t*
m_config_add_profile(m_config_t* config, char* name) {
m_profile_t* p = m_config_get_profile(config,name);
if(p) return p;
p = calloc(1,sizeof(m_profile_t));
p->name = strdup(name);
p->next = config->profiles;
config->profiles = p;
return p;
}
void
m_profile_set_desc(m_profile_t* p, char* desc) {
free(p->desc);
p->desc = desc ? strdup(desc) : NULL;
}
int
m_config_set_profile_option(m_config_t* config, m_profile_t* p,
char* name, char* val) {
int i = m_config_check_option(config,name,val);
if(i < 0) return i;
if(p->opts) p->opts = realloc(p->opts,2*(p->num_opts+2)*sizeof(char*));
else p->opts = malloc(2*(p->num_opts+2)*sizeof(char*));
p->opts[p->num_opts*2] = strdup(name);
p->opts[p->num_opts*2+1] = val ? strdup(val) : NULL;
p->num_opts++;
p->opts[p->num_opts*2] = p->opts[p->num_opts*2+1] = NULL;
return 1;
}
void
m_config_set_profile(m_config_t* config, m_profile_t* p) {
int i;
if(config->profile_depth > MAX_PROFILE_DEPTH) {
mp_msg(MSGT_CFGPARSER, MSGL_WARN, MSGTR_ProfileInclusionTooDeep);
return;
}
config->profile_depth++;
for(i = 0 ; i < p->num_opts ; i++)
m_config_set_option(config,p->opts[2*i],p->opts[2*i+1]);
config->profile_depth--;
}