array_clearobj.c

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/* ERASE for static arrays of objects: re-init the elements */

#include "fb.h"

void fb_hArrayCtorObj( FBARRAY *array, FB_DEFCTOR ctor, size_t base_idx )
{
        size_t i, elements, element_len;
        FBARRAYDIM *dim;
        const char *this_;

        if( array->ptr == NULL )
                return;

    dim = &array->dimTB[0];
    elements = dim->elements - base_idx;
    ++dim;

    for( i = 1; i < array->dimensions; i++, dim++ )
                elements *= dim->elements;

        /* call ctors */
        element_len = array->element_len;
        this_ = (const char *)array->ptr;

        while( elements > 0 ) {
                /* !!!FIXME!!! check exceptions (only if rewritten in C++) */
                ctor( this_ );
                this_ += element_len;
                --elements;
        }
}

FBCALL int fb_ArrayClearObj
        (
                FBARRAY *array,
                FB_DEFCTOR ctor,
                FB_DEFCTOR dtor,
                int dofill /* legacy */
        )
{
        /* destruct all objects in the array
           (dtor can be NULL if there only is a ctor) */
        if( dtor )
                fb_ArrayDestructObj( array, dtor );

        if( dofill ) {
                /* re-initialize (ctor can be NULL if there only is a dtor) */
                if( ctor )
                        /* if a ctor exists, it should handle the whole initialization */
                        fb_hArrayCtorObj( array, ctor, 0 );
                else
                        /* otherwise, just clear */
                        fb_ArrayClear( array, 0 );
        }

        return fb_ErrorSetNum( FB_RTERROR_OK );
}