/**
* 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;
}
/*
* Append an item to an array
*
* function append(obj: Object) : Array
*/
static EjsVar *appendArray(Ejs *ejs, EjsArray *ap, int argc, EjsVar **argv)
{
if (setArrayProperty(ejs, ap, ap->length, argv[0]) < 0) {
return 0;
}
return (EjsVar*) ap;
}
static EjsVar *makeIntersection(Ejs *ejs, EjsArray *lhs, EjsArray *rhs)
{
EjsArray *result;
EjsVar **l, **r, **resultSlots;
int i, j, k;
result = ejsCreateArray(ejs, 0);
l = lhs->data;
r = rhs->data;
for (i = 0; i < lhs->length; i++) {
for (j = 0; j < rhs->length; j++) {
if (compareArrayElement(ejs, l[i], r[j])) {
resultSlots = result->data;
for (k = 0; k < result->length; k++) {
if (compareArrayElement(ejs, l[i], resultSlots[k])) {
break;
}
}
if (result->length == 0 || k == result->length) {
setArrayProperty(ejs, result, -1, l[i]);
}
}
}
}
return (EjsVar*) result;
}
PUBLIC int ejsAddItem(Ejs *ejs, EjsArray *ap, EjsAny *item)
{
int index;
index = ap->length;
if (setArrayProperty(ejs, ap, index, item) < 0) {
return MPR_ERR_MEMORY;
}
return index;
}
static int addUnique(Ejs *ejs, EjsArray *ap, EjsVar *element)
{
int i;
for (i = 0; i < ap->length; i++) {
if (compareArrayElement(ejs, ap->data[i], element)) {
break;
}
}
if (i == ap->length) {
if (setArrayProperty(ejs, ap, -1, element) < 0) {
return EJS_ERR;
}
}
return 0;
}
