mcserver/squirrel_3_0_1_stable/sqplus/SquirrelObject.h

257 lines
7.2 KiB
C++

#ifndef _SQUIRREL_OBJECT_H_
#define _SQUIRREL_OBJECT_H_
class SquirrelObject
{
friend class SquirrelVM;
public:
SquirrelObject();
virtual ~SquirrelObject();
SquirrelObject(const SquirrelObject & o);
SquirrelObject(HSQOBJECT o);
#if 1
template <typename _ty>
SquirrelObject(const _ty & val) { sq_resetobject(&_o); Set((_ty &)val); } // Cast away const to avoid compiler SqPlus::Push() match issue.
template <typename _ty>
SquirrelObject(_ty & val) { sq_resetobject(&_o); Set(val); }
template <typename _ty>
SquirrelObject(_ty * val) { sq_resetobject(&_o); SetByValue(val); } // Set() would also be OK here. SetByValue() to save potential compiler overhead.
#endif
SquirrelObject & operator = (HSQOBJECT ho);
SquirrelObject & operator = (const SquirrelObject &o);
SquirrelObject & operator = (int n);
SquirrelObject & operator = (HSQUIRRELVM v);
operator HSQOBJECT& (){ return _o; }
bool operator ==(const SquirrelObject& o);
bool CompareUserPointer(const SquirrelObject& o);
void AttachToStackObject(int idx);
void Reset(void); // Release (any) reference and reset _o.
SquirrelObject Clone();
BOOL SetValue(const SquirrelObject &key,const SquirrelObject &val);
BOOL SetValue(SQInteger key,const SquirrelObject &val);
BOOL SetValue(INT key,bool b); // Compiler treats SQBool as INT.
BOOL SetValue(INT key,INT n);
BOOL SetValue(INT key,FLOAT f);
BOOL SetValue(INT key,const SQChar *s);
BOOL SetValue(const SQChar *key,const SquirrelObject &val);
BOOL SetValue(const SQChar *key,bool b);
BOOL SetValue(const SQChar *key,INT n);
BOOL SetValue(const SQChar *key,FLOAT f);
BOOL SetValue(const SQChar *key,const SQChar *s);
BOOL SetUserPointer(const SQChar * key,SQUserPointer up);
SQUserPointer GetUserPointer(const SQChar * key);
BOOL SetUserPointer(INT key,SQUserPointer up);
SQUserPointer GetUserPointer(INT key);
BOOL NewUserData(const SQChar * key,INT size,SQUserPointer * typetag=0);
BOOL GetUserData(const SQChar * key,SQUserPointer * data,SQUserPointer * typetag=0);
BOOL RawGetUserData(const SQChar * key,SQUserPointer * data,SQUserPointer * typetag=0);
// === BEGIN Arrays ===
BOOL ArrayResize(INT newSize);
BOOL ArrayExtend(INT amount);
BOOL ArrayReverse(void);
SquirrelObject ArrayPop(SQBool returnPoppedVal=SQTrue);
void ArrayAppend(const SquirrelObject &o);
template<typename T>
BOOL ArrayAppend(T item);
// === END Arrays ===
BOOL SetInstanceUP(SQUserPointer up);
BOOL IsNull() const;
int IsNumeric() const;
int Len() const;
BOOL SetDelegate(SquirrelObject &obj);
SquirrelObject GetDelegate();
const SQChar* ToString();
bool ToBool();
SQInteger ToInteger();
SQFloat ToFloat();
SQUserPointer GetInstanceUP(SQUserPointer tag) const;
SquirrelObject GetValue(const SQChar *key) const;
BOOL Exists(const SQChar *key) const;
FLOAT GetFloat(const SQChar *key) const;
INT GetInt(const SQChar *key) const;
const SQChar *GetString(const SQChar *key) const;
bool GetBool(const SQChar *key) const;
SquirrelObject GetValue(INT key) const;
FLOAT GetFloat(INT key) const;
INT GetInt(INT key) const;
const SQChar *GetString(INT key) const;
bool GetBool(INT key) const;
SquirrelObject GetAttributes(const SQChar *key = NULL);
SQObjectType GetType();
HSQOBJECT & GetObjectHandle() const {return *(HSQOBJECT*)&_o;}
BOOL BeginIteration();
BOOL Next(SquirrelObject &key,SquirrelObject &value);
void EndIteration();
BOOL GetTypeTag(SQUserPointer * typeTag);
// === Get the type name of item/object through string key in a table or class. Returns NULL if the type name is not set (not an SqPlus registered type).
const SQChar * GetTypeName(const SQChar * key);
// === Get the type name of item/object through INT key in a table or class. Returns NULL if the type name is not set (not an SqPlus registered type).
const SQChar * GetTypeName(INT key);
// === Get the type name of this object, else return NULL if not an SqPlus registered type.
const SQChar * GetTypeName(void);
// === Return base class of object using sq_getbase() ===
SquirrelObject GetBase();
// === BEGIN code suggestion from the Wiki ===
// Get any bound type from this SquirrelObject. Note that Squirrel's handling of references and pointers still holds here.
template<typename _ty>
_ty Get(void);
// Set any bound type to this SquirrelObject. Note that Squirrel's handling of references and pointers still holds here.
template<typename _ty>
SquirrelObject SetByValue(_ty val); // classes/structs should be passed by ref (below) to avoid an extra copy.
// Set any bound type to this SquirrelObject. Note that Squirrel's handling of references and pointers still holds here.
template<typename _ty>
SquirrelObject &Set(_ty & val);
// === END code suggestion from the Wiki ===
private:
BOOL GetSlot(const SQChar *name) const;
BOOL RawGetSlot(const SQChar *name) const;
BOOL GetSlot(INT key) const;
HSQOBJECT _o;
};
struct StackHandler {
StackHandler(HSQUIRRELVM v) {
_top = sq_gettop(v);
this->v = v;
}
SQFloat GetFloat(int idx) {
SQFloat x = 0.0f;
if(idx > 0 && idx <= _top) {
sq_getfloat(v,idx,&x);
}
return x;
}
SQInteger GetInt(int idx) {
SQInteger x = 0;
if(idx > 0 && idx <= _top) {
sq_getinteger(v,idx,&x);
}
return x;
}
HSQOBJECT GetObjectHandle(int idx) {
HSQOBJECT x;
if(idx > 0 && idx <= _top) {
sq_resetobject(&x);
sq_getstackobj(v,idx,&x);
}
return x;
}
const SQChar *GetString(int idx)
{
const SQChar *x = NULL;
if(idx > 0 && idx <= _top) {
sq_getstring(v,idx,&x);
}
return x;
}
SQUserPointer GetUserPointer(int idx)
{
SQUserPointer x = 0;
if(idx > 0 && idx <= _top) {
sq_getuserpointer(v,idx,&x);
}
return x;
}
SQUserPointer GetInstanceUp(int idx,SQUserPointer tag)
{
SQUserPointer self;
if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer*)&self,tag)))
return NULL;
return self;
}
SQUserPointer GetUserData(int idx,SQUserPointer tag=0)
{
SQUserPointer otag;
SQUserPointer up;
if(idx > 0 && idx <= _top) {
if(SQ_SUCCEEDED(sq_getuserdata(v,idx,&up,&otag))) {
if(tag == otag)
return up;
}
}
return NULL;
}
BOOL GetBool(int idx)
{
SQBool ret;
if(idx > 0 && idx <= _top) {
if(SQ_SUCCEEDED(sq_getbool(v,idx,&ret)))
return ret;
}
return FALSE;
}
int GetType(int idx)
{
if(idx > 0 && idx <= _top) {
return sq_gettype(v,idx);
}
return -1;
}
int GetParamCount() {
return _top;
}
int Return(const SQChar *s)
{
sq_pushstring(v,s,-1);
return 1;
}
int Return(FLOAT f)
{
sq_pushfloat(v,f);
return 1;
}
int Return(INT i)
{
sq_pushinteger(v,i);
return 1;
}
int Return(bool b)
{
sq_pushbool(v,b);
return 1;
}
int Return(SQUserPointer p) {
sq_pushuserpointer(v,p);
return 1;
}
int Return(SquirrelObject &o)
{
sq_pushobject(v,o.GetObjectHandle());
return 1;
}
int Return() { return 0; }
int ThrowError(const SQChar *error) {
return sq_throwerror(v,error);
}
HSQUIRRELVM GetVMPtr() { return v; }
private:
int _top;
HSQUIRRELVM v;
};
#endif //_SQUIRREL_OBJECT_H_