/**
* Iterate over all elements in the object and find all elements for which the matching function is true.
* The match is called with the following signature:
*
* function match(arrayElement: Object, elementIndex: Number, arr: Array): Boolean
*
* @param match Matching function
* @return Returns a new array containing all matching elements.
*/
static EjsVar *findAll(Ejs *ejs, EjsArray *ap, int argc, EjsVar **argv)
{
EjsVar *funArgs[3];
EjsBoolean *result;
EjsArray *elements;
int i;
mprAssert(argc == 1 && ejsIsFunction(argv[0]));
elements = ejsCreateArray(ejs, 0);
if (elements == 0) {
ejsThrowMemoryError(ejs);
return 0;
}
for (i = 0; i < ap->length; i++) {
funArgs[0] = ap->obj.properties.slots[i]; /* Array element */
funArgs[1] = (EjsVar*) ejsCreateNumber(ejs, i); /* element index */
funArgs[2] = (EjsVar*) ap; /* Array */
result = (EjsBoolean*) ejsRunFunction(ejs, (EjsFunction*) argv[0], 0, 3, funArgs);
if (result == 0 || !ejsIsBoolean(result) || !result->value) {
setArrayProperty(ejs, elements, elements->length, ap->obj.properties.slots[i]);
}
}
return (EjsVar*) elements;
}
/*
* Clone an array.
*
* function clone(deep: Boolean = false) : Array
*/
static EjsArray *cloneArrayMethod(Ejs *ejs, EjsArray *ap, int argc, EjsVar **argv)
{
bool deep;
mprAssert(argc == 0 || ejsIsBoolean(argv[0]));
deep = (argc == 1) ? ((EjsBoolean*) argv[0])->value : 0;
return cloneArray(ejs, ap, deep);
}
/**
Get a boolean representation of a variable.
@return Returns a number variable or null if an exception is thrown.
*/
EjsBoolean *ejsToBoolean(Ejs *ejs, EjsVar *vp)
{
if (vp == 0 || ejsIsBoolean(vp)) {
return (EjsBoolean*) vp;
}
if (vp->type->helpers->castVar) {
return (EjsBoolean*) (vp->type->helpers->castVar)(ejs, vp, ejs->booleanType);
}
ejsThrowInternalError(ejs, "CastVar helper not defined for type \"%s\"", vp->type->qname.name);
return 0;
}
static EjsVar *castBooleanVar(Ejs *ejs, EjsBoolean *vp, EjsType *type)
{
mprAssert(ejsIsBoolean(vp));
switch (type->id) {
case ES_Number:
return (EjsVar*) ((vp->value) ? ejs->oneValue: ejs->zeroValue);
case ES_String:
return (EjsVar*) ejsCreateString(ejs, (vp->value) ? "true" : "false");
default:
ejsThrowTypeError(ejs, "Can't cast to this type");
return 0;
}
}