nsisupportsimpl.h

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/**
 *
 * Threadsafe implementations of the ISupports convenience macros
 *
 */

/**
 * Use this macro to implement the AddRef method for a given <i>_class</i>
 * @param _class The name of the class implementing the method
 */

#define NS_IMPL_THREADSAFE_ADDREF(_class)                                     \
NS_IMETHODIMP_(nsrefcnt) _class::AddRef(void)                                 \
{                                                                             \
  NS_PRECONDITION(PRInt32(mRefCnt) >= 0, "illegal refcnt");                   \
  nsrefcnt count;                                                             \
  count = PR_AtomicIncrement((PRInt32*)&mRefCnt);                             \
  NS_LOG_ADDREF(this, count, #_class, sizeof(*this));                         \
  return count;                                                               \
}

/**
 * Use this macro to implement the Release method for a given <i>_class</i>
 * @param _class The name of the class implementing the method
 */

#define NS_IMPL_THREADSAFE_RELEASE(_class)                                    \
NS_IMETHODIMP_(nsrefcnt) _class::Release(void)                                \
{                                                                             \
  nsrefcnt count;                                                             \
  NS_PRECONDITION(0 != mRefCnt, "dup release");                               \
  count = PR_AtomicDecrement((PRInt32 *)&mRefCnt);                            \
  NS_LOG_RELEASE(this, count, #_class);                                       \
  if (0 == count) {                                                           \
    mRefCnt = 1; /* stabilize */                                              \
    /* enable this to find non-threadsafe destructors: */                     \
    /* NS_ASSERT_OWNINGTHREAD(_class); */                                     \
    NS_DELETEXPCOM(this);                                                     \
    return 0;                                                                 \
  }                                                                           \
  return count;                                                               \
}

#define NS_IMPL_THREADSAFE_ISUPPORTS0(_class)                                 \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE0(_class)

#define NS_IMPL_THREADSAFE_ISUPPORTS1(_class, _interface)                     \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE1(_class, _interface)

#define NS_IMPL_THREADSAFE_ISUPPORTS2(_class, _i1, _i2)                       \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE2(_class, _i1, _i2)

#define NS_IMPL_THREADSAFE_ISUPPORTS3(_class, _i1, _i2, _i3)                  \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE3(_class, _i1, _i2, _i3)

#define NS_IMPL_THREADSAFE_ISUPPORTS4(_class, _i1, _i2, _i3, _i4)             \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE4(_class, _i1, _i2, _i3, _i4)

#define NS_IMPL_THREADSAFE_ISUPPORTS5(_class, _i1, _i2, _i3, _i4, _i5)        \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE5(_class, _i1, _i2, _i3, _i4, _i5)

#define NS_IMPL_THREADSAFE_ISUPPORTS6(_class, _i1, _i2, _i3, _i4, _i5, _i6)   \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE6(_class, _i1, _i2, _i3, _i4, _i5, _i6)

#define NS_IMPL_THREADSAFE_ISUPPORTS7(_class, _i1, _i2, _i3, _i4, _i5, _i6,   \
                                      _i7)                                    \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE7(_class, _i1, _i2, _i3, _i4, _i5, _i6,   \
                                      _i7)

#define NS_IMPL_THREADSAFE_ISUPPORTS8(_class, _i1, _i2, _i3, _i4, _i5, _i6,   \
                                      _i7, _i8)                               \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE8(_class, _i1, _i2, _i3, _i4, _i5, _i6,   \
                                      _i7, _i8)

#define NS_IMPL_THREADSAFE_ISUPPORTS9(_class, _i1, _i2, _i3, _i4, _i5, _i6,   \
                                      _i7, _i8, _i9)                          \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE9(_class, _i1, _i2, _i3, _i4, _i5, _i6,   \
                                      _i7, _i8, _i9)

#define NS_IMPL_THREADSAFE_ISUPPORTS10(_class, _i1, _i2, _i3, _i4, _i5, _i6,  \
                                       _i7, _i8, _i9, _i10)                   \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE10(_class, _i1, _i2, _i3, _i4, _i5, _i6,  \
                                       _i7, _i8, _i9, _i10)

#define NS_IMPL_THREADSAFE_ISUPPORTS11(_class, _i1, _i2, _i3, _i4, _i5, _i6,  \
                                       _i7, _i8, _i9, _i10, _i11)             \
  NS_IMPL_THREADSAFE_ADDREF(_class)                                           \
  NS_IMPL_THREADSAFE_RELEASE(_class)                                          \
  NS_IMPL_THREADSAFE_QUERY_INTERFACE11(_class, _i1, _i2, _i3, _i4, _i5, _i6,  \
                                       _i7, _i8, _i9, _i10, _i11)

///////////////////////////////////////////////////////////////////////////////
// Macros for implementing nsIClassInfo-related stuff.
///////////////////////////////////////////////////////////////////////////////

// include here instead of at the top because it requires the nsISupport decl
#include "nsIClassInfo.h"

#define NS_CLASSINFO_NAME(_class) _class##_classInfoGlobal
#define NS_CI_INTERFACE_GETTER_NAME(_class) _class##_GetInterfacesHelper

#define NS_DECL_CI_INTERFACE_GETTER(_class)                                   \
  extern NS_IMETHODIMP NS_CI_INTERFACE_GETTER_NAME(_class)(PRUint32 *,        \
                                                           nsIID ***);

#define NS_DECL_CLASSINFO(_class)                                             \
  NS_DECL_CI_INTERFACE_GETTER(_class)                                         \
  nsIClassInfo *NS_CLASSINFO_NAME(_class);

#define NS_IMPL_QUERY_CLASSINFO(_class)                                       \
  if ( aIID.Equals(NS_GET_IID(nsIClassInfo)) ) {                              \
    extern nsIClassInfo *NS_CLASSINFO_NAME(_class);                           \
    foundInterface = NS_STATIC_CAST(nsIClassInfo*, NS_CLASSINFO_NAME(_class));\
  } else

#define NS_CLASSINFO_HELPER_BEGIN(_class, _c)                                 \
NS_IMETHODIMP                                                                 \
NS_CI_INTERFACE_GETTER_NAME(_class)(PRUint32 *count, nsIID ***array)          \
{                                                                             \
    *count = _c;                                                              \
    *array = (nsIID **)nsMemory::Alloc(sizeof (nsIID *) * _c);

#define NS_CLASSINFO_HELPER_ENTRY(_i, _interface)                             \
    (*array)[_i] = (nsIID *)nsMemory::Clone(&NS_GET_IID(_interface),          \
                                            sizeof(nsIID));

#define NS_CLASSINFO_HELPER_END                                               \
    return NS_OK;                                                             \
}

#define NS_IMPL_CI_INTERFACE_GETTER1(_class, _interface)                      \
   NS_CLASSINFO_HELPER_BEGIN(_class, 1)                                       \
     NS_CLASSINFO_HELPER_ENTRY(0, _interface)                                 \
   NS_CLASSINFO_HELPER_END

#define NS_IMPL_QUERY_INTERFACE1_CI(_class, _i1)                              \
  NS_INTERFACE_MAP_BEGIN(_class)                                              \
    NS_INTERFACE_MAP_ENTRY(_i1)                                               \
    NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, _i1)                        \
    NS_IMPL_QUERY_CLASSINFO(_class)                                           \
  NS_INTERFACE_MAP_END

#define NS_IMPL_ISUPPORTS1_CI(_class, _interface)                             \
  NS_IMPL_ADDREF(_class)                                                      \
  NS_IMPL_RELEASE(_class)                                                     \
  NS_IMPL_QUERY_INTERFACE1_CI(_class, _interface)                             \
  NS_IMPL_CI_INTERFACE_GETTER1(_class, _interface)

#define NS_IMPL_CI_INTERFACE_GETTER2(_class, _i1, _i2)                        \
   NS_CLASSINFO_HELPER_BEGIN(_class, 2)                                       \
     NS_CLASSINFO_HELPER_ENTRY(0, _i1)                                        \
     NS_CLASSINFO_HELPER_ENTRY(1, _i2)                                        \
   NS_CLASSINFO_HELPER_END

#define NS_IMPL_QUERY_INTERFACE2_CI(_class, _i1, _i2)                         \
  NS_INTERFACE_MAP_BEGIN(_class)                                              \
    NS_INTERFACE_MAP_ENTRY(_i1)                                               \
    NS_INTERFACE_MAP_ENTRY(_i2)                                               \
    NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, _i1)                        \
    NS_IMPL_QUERY_CLASSINFO(_class)                                           \
  NS_INTERFACE_MAP_END

#define NS_IMPL_ISUPPORTS2_CI(_class, _i1, _i2)                               \
  NS_IMPL_ADDREF(_class)                                                      \
  NS_IMPL_RELEASE(_class)                                                     \
  NS_IMPL_QUERY_INTERFACE2_CI(_class, _i1, _i2)                               \
  NS_IMPL_CI_INTERFACE_GETTER2(_class, _i1, _i2)

#define NS_IMPL_CI_INTERFACE_GETTER3(_class, _i1, _i2, _i3)                   \
   NS_CLASSINFO_HELPER_BEGIN(_class, 3)                                       \
     NS_CLASSINFO_HELPER_ENTRY(0, _i1)                                        \
     NS_CLASSINFO_HELPER_ENTRY(1, _i2)                                        \
     NS_CLASSINFO_HELPER_ENTRY(2, _i3)                                        \
   NS_CLASSINFO_HELPER_END

#define NS_IMPL_QUERY_INTERFACE3_CI(_class, _i1, _i2, _i3)                    \
  NS_INTERFACE_MAP_BEGIN(_class)                                              \
    NS_INTERFACE_MAP_ENTRY(_i1)                                               \
    NS_INTERFACE_MAP_ENTRY(_i2)                                               \
    NS_INTERFACE_MAP_ENTRY(_i3)                                               \
    NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, _i1)                        \
    NS_IMPL_QUERY_CLASSINFO(_class)                                           \
  NS_INTERFACE_MAP_END

#define NS_IMPL_ISUPPORTS3_CI(_class, _i1, _i2, _i3)                          \
  NS_IMPL_ADDREF(_class)                                                      \
  NS_IMPL_RELEASE(_class)                                                     \
  NS_IMPL_QUERY_INTERFACE3_CI(_class, _i1, _i2, _i3)                          \
  NS_IMPL_CI_INTERFACE_GETTER3(_class, _i1, _i2, _i3)

#define NS_IMPL_CI_INTERFACE_GETTER4(_class, _i1, _i2, _i3, _i4)              \
   NS_CLASSINFO_HELPER_BEGIN(_class, 4)                                       \
     NS_CLASSINFO_HELPER_ENTRY(0, _i1)                                        \
     NS_CLASSINFO_HELPER_ENTRY(1, _i2)                                        \
     NS_CLASSINFO_HELPER_ENTRY(2, _i3)                                        \
     NS_CLASSINFO_HELPER_ENTRY(3, _i4)                                        \
   NS_CLASSINFO_HELPER_END

#define NS_IMPL_QUERY_INTERFACE4_CI(_class, _i1, _i2, _i3, _i4)               \
  NS_INTERFACE_MAP_BEGIN(_class)                                              \
    NS_INTERFACE_MAP_ENTRY(_i1)                                               \
    NS_INTERFACE_MAP_ENTRY(_i2)                                               \
    NS_INTERFACE_MAP_ENTRY(_i3)                                               \