squirrel/doc/source/reference/embedding/tables_and_arrays_manipulation.rst
2016-04-14 18:07:37 -05:00

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.. _embedding_tables_and_arrays_manipulation:
==============================
Tables and arrays manipulation
==============================
A new table is created calling sq_newtable, this function pushes a new table in the stack.::
void sq_newtable(HSQUIRRELVM v);
To create a new slot::
SQRESULT sq_newslot(HSQUIRRELVM v,SQInteger idx,SQBool bstatic);
To set or get the table delegate::
SQRESULT sq_setdelegate(HSQUIRRELVM v,SQInteger idx);
SQRESULT sq_getdelegate(HSQUIRRELVM v,SQInteger idx);
A new array is created calling sq_newarray, the function pushes a new array in the
stack; if the parameters size is bigger than 0 the elements are initialized to null.::
void sq_newarray (HSQUIRRELVM v,SQInteger size);
To append a value to the back of the array::
SQRESULT sq_arrayappend(HSQUIRRELVM v,SQInteger idx);
To remove a value from the back of the array::
SQRESULT sq_arraypop(HSQUIRRELVM v,SQInteger idx,SQInteger pushval);
To resize the array::
SQRESULT sq_arrayresize(HSQUIRRELVM v,SQInteger idx,SQInteger newsize);
To retrieve the size of a table or an array you must use sq_getsize()::
SQInteger sq_getsize(HSQUIRRELVM v,SQInteger idx);
To set a value in an array or table::
SQRESULT sq_set(HSQUIRRELVM v,SQInteger idx);
To get a value from an array or table::
SQRESULT sq_get(HSQUIRRELVM v,SQInteger idx);
To get or set a value from a table without employing delegation::
SQRESULT sq_rawget(HSQUIRRELVM v,SQInteger idx);
SQRESULT sq_rawset(HSQUIRRELVM v,SQInteger idx);
To iterate a table or an array::
SQRESULT sq_next(HSQUIRRELVM v,SQInteger idx);
Here an example of how to perform an iteration: ::
//push your table/array here
sq_pushnull(v) //null iterator
while(SQ_SUCCEEDED(sq_next(v,-2)))
{
//here -1 is the value and -2 is the key
sq_pop(v,2); //pops key and val before the nex iteration
}
sq_pop(v,1); //pops the null iterator