/**
* Function oyStruct_IsObserved
* @memberof oyObserver_s
* @brief return object observation status
*
* Check if a object is observed by others.
*
* @param model model to ask
* @param observer which observes that model
* @return true or false
*
* @version Oyranos: 0.1.10
* @date 2009/10/28
* @since 2009/10/28 (Oyranos: 0.1.10)
*/
OYAPI int OYEXPORT
oyStruct_IsObserved ( oyStruct_s * model,
oyStruct_s * observer )
{
int observed = 0;
int i,n = 0;
oyOption_s_ * o = 0;
oyOptions_s_ * handles = (oyOptions_s_*) model->oy_->handles_;
int error = 0;
if(handles)
n = oyStructList_Count( handles->list_ );
for(i = 0; i < n; ++i)
{
o = (oyOption_s_*) oyStructList_Get_( (oyStructList_s_*)(handles->list_), i );
if( oyStrcmp_( o->registration, OY_SIGNAL_OBSERVERS ) == 0)
{
if(observer)
{
oyStructList_s * observers = 0;
int j_n,j;
observers = (oyStructList_s*)oyOption_GetStruct( (oyOption_s*) o,
oyOBJECT_STRUCT_LIST_S );
if(!error)
{
j_n = oyStructList_Count( observers );
for(j = 0; j < j_n; ++j)
{
oyObserver_s * obs;
obs = (oyObserver_s*) oyStructList_GetType( observers,
j, oyOBJECT_OBSERVER_S );
if(obs && obs->observer == observer)
{
observed = 1;
break;
}
}
}
} else
{
observed = 1;
break;
}
}
}
return observed;
}
/**
* Function oyStruct_ObservationCount
* @memberof oyObserver_s
* @brief return the number of object<->model references
*
* The function lists by default (0) models and observers. Both
* types are individually selectable in the flags.
*
* @param object which observes a model
* @param flags select:
* - 0 : all
* - 1 : show observers count
* - 2 : show models count
* @return count
*
* @version Oyranos: 0.9.7
* @date 2018/10/04
* @since 2018/09/29 (Oyranos: 0.9.7)
*/
OYAPI int OYEXPORT
oyStruct_ObservationCount ( oyStruct_s * object,
uint32_t flags )
{
int observed = 0;
int i,n = 0;
oyOption_s_ * o = NULL;
oyOptions_s_ * handles = NULL;
int error = 0;
if(object && object->oy_)
handles = (oyOptions_s_*) object->oy_->handles_;
if(handles)
n = oyStructList_Count( handles->list_ );
for(i = 0; i < n; ++i)
{
o = (oyOption_s_*) oyStructList_Get_( (oyStructList_s_*)(handles->list_), i );
if( (!flags || flags & 0x02) && oyStrcmp_( o->registration, OY_SIGNAL_MODELS ) == 0)
{
if(object)
{
oyStructList_s * models = 0;
int j_n,j;
models = (oyStructList_s*)oyOption_GetStruct( (oyOption_s*) o,
oyOBJECT_STRUCT_LIST_S );
if(!error)
{
j_n = oyStructList_Count( models );
for(j = 0; j < j_n; ++j)
{
oyObserver_s * obs;
obs = (oyObserver_s*) oyStructList_GetType( models,
j, oyOBJECT_OBSERVER_S );
if(obs && obs->observer == object)
++observed;
}
}
}
}
if( (!flags || flags & 0x01) && oyStrcmp_( o->registration, OY_SIGNAL_OBSERVERS ) == 0)
{
if(object)
{
oyStructList_s * observers = 0;
int j_n,j;
observers = (oyStructList_s*)oyOption_GetStruct( (oyOption_s*) o,
oyOBJECT_STRUCT_LIST_S );
if(!error)
{
j_n = oyStructList_Count( observers );
for(j = 0; j < j_n; ++j)
{
oyObserver_s * obs;
obs = (oyObserver_s*) oyStructList_GetType( observers,
j, oyOBJECT_OBSERVER_S );
if(obs && obs->model == object)
++observed;
}
}
}
}
}
return observed;
}
/**
* @internal
* Function oyOption_GetValueText_
* @memberof oyOption_s
* @brief get value as a text dump
*
* @param obj the option
* @param allocateFunc user allocator
* @return the text
*
* @version Oyranos: 0.1.9
* @since 2008/12/05 (Oyranos: 0.1.9)
* @date 2009/08/17
*/
char * oyOption_GetValueText_( oyOption_s_ * obj,
oyAlloc_f allocateFunc )
{
int error = !obj;
char * erg = 0;
oyValue_u * v = 0;
oyStructList_s * oy_struct_list = 0;
char * text = 0;
char * save_locale = 0;
if(error <= 0)
v = obj->value;
if(!allocateFunc)
allocateFunc = oyAllocateFunc_;
error = !v;
save_locale = oyStringCopy_( setlocale(LC_NUMERIC, 0 ), oyAllocateFunc_ );
setlocale(LC_NUMERIC, "C");
if(error <= 0)
{
int n = 1, i = 0;
char * tmp = oyAllocateFunc_(1024);
const char * ct = 0;
switch(obj->value_type)
{
case oyVAL_INT_LIST: n = v->int32_list[0]; break;
case oyVAL_DOUBLE_LIST: n = (int)v->dbl_list[0]; break;
case oyVAL_STRING_LIST: n = 0; while( v->string_list[n] ) ++n; break;
case oyVAL_INT:
case oyVAL_DOUBLE:
case oyVAL_STRING:
case oyVAL_STRUCT:
n = 1; break;
case oyVAL_NONE:
case oyVAL_MAX:
n = 0; break;
}
if(obj->value_type == oyVAL_STRUCT)
{
oy_struct_list = (oyStructList_s*) v->oy_struct;
if(oy_struct_list)
{
if(oy_struct_list->type_ == oyOBJECT_STRUCT_LIST_S)
n = oyStructList_Count( oy_struct_list );
} else
WARNc2_S( "missed \"oy_struct\" member of \"%s\" [%d]",
obj->registration, oyObject_GetId(obj->oy_) );
}
for(i = 0; i < n; ++i)
{
if(obj->value_type == oyVAL_INT)
oySprintf_(tmp, "%d", v->int32);
if(obj->value_type == oyVAL_DOUBLE)
oySprintf_(tmp, "%g", v->dbl);
if(obj->value_type == oyVAL_INT_LIST)
oySprintf_(tmp, "%d", v->int32_list[i+1]);
if(obj->value_type == oyVAL_DOUBLE_LIST)
oySprintf_(tmp, "%g", v->dbl_list[i+1]);
if((obj->value_type == oyVAL_INT_LIST ||
obj->value_type == oyVAL_DOUBLE_LIST) && i)
STRING_ADD( text, "," );
switch(obj->value_type)
{
case oyVAL_INT:
case oyVAL_DOUBLE:
case oyVAL_INT_LIST:
case oyVAL_DOUBLE_LIST: STRING_ADD( text, tmp ); break;
case oyVAL_STRING: STRING_ADD( text, v->string ); break;
case oyVAL_STRING_LIST: STRING_ADD( text, v->string_list[i] ); break;
case oyVAL_STRUCT:
case oyVAL_NONE:
case oyVAL_MAX: break;
}
if(obj->value_type == oyVAL_STRUCT)
{
oyStruct_s * oy_struct = 0;
if(oy_struct_list && oy_struct_list->type_ == oyOBJECT_STRUCT_LIST_S)
oy_struct = oyStructList_Get_( ( oyStructList_s_*)oy_struct_list, i );
else if(v->oy_struct)
oy_struct = v->oy_struct;
if(oy_struct)
{
ct = 0;
/* get explicite name */
if(oy_struct->oy_)
ct = oyObject_GetName( oy_struct->oy_, oyNAME_NICK );
if(!ct)
/* fall back to oyCMMapi9_s object type lookup */
ct = oyStruct_GetText( oy_struct, oyNAME_NICK, 0 );
if(ct)
STRING_ADD( text, ct );
if(!ct)
/* fall back to plain struct type name, if known */
STRING_ADD ( text, oyStructTypeToText(oy_struct->type_) );
}
}
}
if(text)
erg = oyStringCopy_( text, allocateFunc );
oyFree_m_( tmp );
if(!text)
{
DBG_NUM2_S( "missed value in \"%s\" [%d]", obj->registration,
oyObject_GetId(obj->oy_) );
} else
oyFree_m_( text );
}
setlocale(LC_NUMERIC, save_locale);
oyFree_m_( save_locale );
return erg;
}
