/* Gamelon(tm) File I/O Library Sample Code C++ Language */
/* (C)1994 Menai Corporation(tm) Released for public use */
/* Example 10b. How to use a Cursor to scan objects */
/* within an aggregate (including nested aggregates). */
/* The sample code given in Example 10a will not */
/* affect objects contained within nested aggregates */
/* within the top level of the aggregate. The */
/* following example sets the class number for the */
/* top level aggregate and all the objects contained */
/* within the top level aggregate, including any */
/* objects nested within contained aggregates. */
#include <stdlib.h>
#include <iostream.h>
#include "gfcursor.hpp"
void CheckObjects(CURSOR *);
void CheckObjects(CURSOR *c) {
int answer;
EC0 error;
c>eCursorQueryOnObject(&answer);
while (answer) {
c>eAltModify();
c>eObjSetClass(4000000);
c>eAltCommit();
/* Function returns an error if current object */
/* is not an aggregate. */
error = c>eObjQueryAggregateEmpty(&answer);
if (!error && !answer) {
c>eCursorMoveIn();
CheckObjects(c);
c>eCursorMoveOut();
error = c>eCursorMoveNext();
if (!error) answer = 1;
}
else {
error = c>eCursorMoveNext();
if (error) answer = 0;
}
} /* end while */
}
int main(void) {
int valid;
CURSOR *c = new CURSOR("newfile");
c>eCursorQueryValid(&valid);
if (!valid)
exit(1);
CheckObjects(c);
delete c;
return 0;
}
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