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/// \file
/// \ingroup OptionsStruct
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include "m_option.h"
#include "m_struct.h"
#include "mp_msg.h"
const m_option_t*
m_struct_get_field(const m_struct_t* st,const char* f) {
int i;
for(i = 0 ; st->fields[i].name ; i++) {
if(strcasecmp(st->fields[i].name,f) == 0)
return &st->fields[i];
}
return NULL;
}
void*
m_struct_alloc(const m_struct_t* st) {
int i;
void* r;
if(!st->defaults) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Struct %s needs defaults\n",st->name);
return NULL;
}
// Check the struct fields
for(i = 0 ; st->fields[i].name ; i++) {
if(st->fields[i].type->flags & M_OPT_TYPE_INDIRECT) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Struct %s->%s: Option types with the indirect flag are forbidden.\n",st->name,st->fields[i].name);
return NULL;
}
}
r = calloc(1,st->size);
memcpy(r,st->defaults,st->size);
for(i = 0 ; st->fields[i].name ; i++) {
if(st->fields[i].type->flags & M_OPT_TYPE_DYNAMIC)
memset(M_ST_MB_P(r,st->fields[i].p),0,st->fields[i].type->size);
m_option_copy(&st->fields[i],M_ST_MB_P(r,st->fields[i].p),M_ST_MB_P(st->defaults,st->fields[i].p));
}
return r;
}
int
m_struct_set(const m_struct_t* st, void* obj, char* field, char* param) {
const m_option_t* f = m_struct_get_field(st,field);
if(!f) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Struct %s doesn't have any %s field\n",
st->name,field);
return 0;
}
if(f->type->parse(f,field,param,M_ST_MB_P(obj,f->p),M_CONFIG_FILE) < 0) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Struct %s, field %s parsing error: %s\n",
st->name,field,param);
return 0;
}
return 1;
}
void
m_struct_reset(const m_struct_t* st, void* obj, const char* field) {
const m_option_t* f;
if(!field) { // Reset all options
int i;
for(i = 0 ; st->fields[i].name ; i++)
m_option_copy(&st->fields[i],M_ST_MB_P(obj,st->fields[i].p),M_ST_MB_P(st->defaults,st->fields[i].p));
return;
}
// Only one
f = m_struct_get_field(st,field);
if(!f) {
mp_msg(MSGT_CFGPARSER, MSGL_ERR,"Struct %s doesn't have any %s field\n",
st->name,field);
return;
}
m_option_copy(f,M_ST_MB_P(obj,f->p),M_ST_MB_P(st->defaults,f->p));
}
/// Free an allocated struct
void
m_struct_free(const m_struct_t* st, void* obj) {
int i;
for(i = 0 ; st->fields[i].name ; i++)
m_option_free(&st->fields[i],M_ST_MB_P(obj,st->fields[i].p));
free(obj);
}
void*
m_struct_copy(const m_struct_t* st, void* obj) {
void* r = malloc(st->size);
int i;
memcpy(r,obj,st->size);
for(i = 0 ; st->fields[i].name ; i++) {
if(st->fields[i].type->flags & M_OPT_TYPE_DYNAMIC)
memset(M_ST_MB_P(r,st->fields[i].p),0,st->fields[i].type->size);
m_option_copy(&st->fields[i],M_ST_MB_P(r,st->fields[i].p),M_ST_MB_P(obj,st->fields[i].p));
}
return r;
}
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