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/*
* Copyright © 2008 Christian Persch
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __TOTEM_NPVARIANT_WRAPPER_H__
#define __TOTEM_NPVARIANT_WRAPPER_H__
#include <assert.h>
#include <string.h>
#include "npapi.h"
#include "npruntime.h"
class totemNPVariantWrapper {
public:
totemNPVariantWrapper () : mOwned (false) { VOID_TO_NPVARIANT (mVariant); }
totemNPVariantWrapper (bool aValue) : mOwned (false) { BOOLEAN_TO_NPVARIANT (aValue, mVariant); }
totemNPVariantWrapper (uint32_t aValue) : mOwned (false) { INT32_TO_NPVARIANT (aValue, mVariant); }
totemNPVariantWrapper (double aValue) : mOwned (false) { DOUBLE_TO_NPVARIANT (aValue, mVariant); }
totemNPVariantWrapper (char *aValue) : mOwned (false) { STRINGZ_TO_NPVARIANT (aValue, mVariant); }
// totemNPVariantWrapper (NPString *aValue) : mOwned (false) { STRINGN_TO_NPVARIANT (aValue, mVariant); }
totemNPVariantWrapper (NPObject *aObject) : mOwned (false) { OBJECT_TO_NPVARIANT (aObject, mVariant); }
totemNPVariantWrapper (const totemNPVariantWrapper& aOther) : mVariant (aOther.mVariant), mOwned (false) { }
~totemNPVariantWrapper () { Clear (); }
bool IsVoid () const { return NPVARIANT_IS_VOID (mVariant); }
bool IsNull () const { return NPVARIANT_IS_NULL (mVariant); }
bool IsBoolean () const { return NPVARIANT_IS_BOOLEAN (mVariant); }
bool IsInt32 () const { return NPVARIANT_IS_INT32 (mVariant); }
bool IsDouble () const { return NPVARIANT_IS_DOUBLE (mVariant); }
bool IsString () const { return NPVARIANT_IS_STRING (mVariant); }
bool IsObject () const { return NPVARIANT_IS_OBJECT (mVariant); }
bool GetBoolean () const { return NPVARIANT_TO_BOOLEAN (mVariant); }
uint32_t GetInt32 () const { return NPVARIANT_TO_INT32 (mVariant); }
double GetDouble () const { return NPVARIANT_TO_DOUBLE (mVariant); }
char * GetString () const { return (char *) NPVARIANT_TO_STRING (mVariant).UTF8Characters; }
uint32_t GetStringLen() const { return NPVARIANT_TO_STRING (mVariant).UTF8Length; }
NPString GetNPString () const { return NPVARIANT_TO_STRING (mVariant); }
NPObject* GetObject () const { return NPVARIANT_TO_OBJECT (mVariant); }
void SetVoid () { Clear (); VOID_TO_NPVARIANT (mVariant); }
void SetNull () { Clear (); NULL_TO_NPVARIANT (mVariant); }
void SetBoolean (bool aValue) { Clear (); BOOLEAN_TO_NPVARIANT (aValue, mVariant); }
void SetInt32 (uint32_t aValue) { Clear (); INT32_TO_NPVARIANT (aValue, mVariant); }
void SetDouble (double aValue) { Clear (); DOUBLE_TO_NPVARIANT (aValue, mVariant); }
void SetString (char *aValue) { Clear (); STRINGZ_TO_NPVARIANT (aValue, mVariant); }
// void SetString (NPString *aValue) { Clear (); STRINGN_TO_NPVARIANT (aValue, mVariant); }
void SetObject (NPObject *aObject) { Clear (); OBJECT_TO_NPVARIANT (aObject, mVariant); }
operator char* () { return GetString (); }
operator NPString () { return GetNPString (); }
operator NPObject* () { return GetObject (); }
operator NPVariant*() { return &mVariant; }
class GetterCopies {
public:
explicit GetterCopies (totemNPVariantWrapper& aTarget) : mTarget (aTarget) { }
~GetterCopies () { }
operator NPVariant*() { return mTarget.StartAssignment (); }
private:
totemNPVariantWrapper& mTarget;
};
private:
totemNPVariantWrapper& operator= (const totemNPVariantWrapper&); // not implemented
void Clear () {
if (mOwned) {
NPN_ReleaseVariantValue (&mVariant);
mOwned = false;
} else {
VOID_TO_NPVARIANT (mVariant);
}
}
NPVariant* StartAssignment () { Clear (); mOwned = true; return &mVariant; }
protected:
NPVariant mVariant;
bool mOwned;
};
inline totemNPVariantWrapper::GetterCopies
getter_Copies (totemNPVariantWrapper &aTarget)
{
return totemNPVariantWrapper::GetterCopies (aTarget);
}
#endif /* __TOTEM_NPVARIANT_WRAPPER_H__ */
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