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Diffstat (limited to 'src/libs/xpcom18a4/xpcom/reflect/xptcall/public/xptcall.h')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/reflect/xptcall/public/xptcall.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/reflect/xptcall/public/xptcall.h b/src/libs/xpcom18a4/xpcom/reflect/xptcall/public/xptcall.h new file mode 100644 index 00000000..73042ce6 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/reflect/xptcall/public/xptcall.h @@ -0,0 +1,264 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* Public declarations for xptcall. */ + +#ifndef xptcall_h___ +#define xptcall_h___ + +#include "prtypes.h" +#include "nscore.h" +#include "nsISupports.h" +#include "xpt_struct.h" +#include "xptinfo.h" +#include "nsIInterfaceInfo.h" + +#ifdef VBOX_WITH_XPCOM_NAMESPACE_CLEANUP +#define XPTC_InvokeByIndex VBoxNsxpXPTC_InvokeByIndex +#endif /* VBOX_WITH_XPCOM_NAMESPACE_CLEANUP */ + +/***************************************************************************/ +/* + * The linkage of XPTC API functions differs depending on whether the file is + * used within the XPTC library or not. Any source file within the XPTC + * library should define EXPORT_XPTC_API whereas any client of the library + * should not. + */ +#ifdef EXPORT_XPTC_API +#define XPTC_PUBLIC_API(t) PR_IMPLEMENT(t) +#define XPTC_PUBLIC_DATA(t) PR_IMPLEMENT_DATA(t) +#if defined(_WIN32) +# define XPTC_EXPORT __declspec(dllexport) +#elif defined(XP_OS2) && defined(__declspec) +# define XPTC_EXPORT __declspec(dllexport) +#elif defined(XP_OS2_VACPP) +# define XPTC_EXPORT extern +#else +# ifdef VBOX_HAVE_VISIBILITY_HIDDEN +# define XPTC_EXPORT __attribute__((visibility("default"))) +# else +# define XPTC_EXPORT +# endif +#endif +#else +#if defined(_WIN32) +# define XPTC_PUBLIC_API(t) __declspec(dllimport) t +# define XPTC_PUBLIC_DATA(t) __declspec(dllimport) t +# define XPTC_EXPORT __declspec(dllimport) +#elif defined(XP_OS2) && defined(__declspec) +# define XPTC_PUBLIC_API(t) __declspec(dllimport) t +# define XPTC_PUBLIC_DATA(t) __declspec(dllimport) t +# define XPTC_EXPORT __declspec(dllimport) +#elif defined(XP_OS2_VACPP) +# define XPTC_PUBLIC_API(t) extern t +# define XPTC_PUBLIC_DATA(t) extern t +# define XPTC_EXPORT extern +#else +# define XPTC_PUBLIC_API(t) PR_IMPLEMENT(t) +# define XPTC_PUBLIC_DATA(t) t +# define XPTC_EXPORT +#endif +#endif +#define XPTC_FRIEND_API(t) XPTC_PUBLIC_API(t) +#define XPTC_FRIEND_DATA(t) XPTC_PUBLIC_DATA(t) +/***************************************************************************/ + +struct nsXPTCMiniVariant +{ +// No ctors or dtors so that we can use arrays of these on the stack +// with no penalty. + union + { + PRInt8 i8; + PRInt16 i16; + PRInt32 i32; + PRInt64 i64; + PRUint8 u8; + PRUint16 u16; + PRUint32 u32; + PRUint64 u64; + float f; + double d; + PRBool b; + char c; + PRUnichar wc; + void* p; + } val; +}; + +struct nsXPTCVariant : public nsXPTCMiniVariant +{ +// No ctors or dtors so that we can use arrays of these on the stack +// with no penalty. + + // inherits 'val' here + void* ptr; + nsXPTType type; + PRUint8 flags; + + enum + { + // these are bitflags! + PTR_IS_DATA = 0x1, // ptr points to 'real' data in val + VAL_IS_ALLOCD = 0x2, // val.p holds alloc'd ptr that must be freed + VAL_IS_IFACE = 0x4, // val.p holds interface ptr that must be released + VAL_IS_ARRAY = 0x8, // val.p holds a pointer to an array needing cleanup + VAL_IS_DOMSTR = 0x10, // val.p holds a pointer to domstring needing cleanup + VAL_IS_UTF8STR = 0x20, // val.p holds a pointer to utf8string needing cleanup + VAL_IS_CSTR = 0x40 // val.p holds a pointer to cstring needing cleanup + }; + + void ClearFlags() {flags = 0;} + void SetPtrIsData() {flags |= PTR_IS_DATA;} + void SetValIsAllocated() {flags |= VAL_IS_ALLOCD;} + void SetValIsInterface() {flags |= VAL_IS_IFACE;} + void SetValIsArray() {flags |= VAL_IS_ARRAY;} + void SetValIsDOMString() {flags |= VAL_IS_DOMSTR;} + void SetValIsUTF8String() {flags |= VAL_IS_UTF8STR;} + void SetValIsCString() {flags |= VAL_IS_CSTR;} + + PRBool IsPtrData() const {return 0 != (flags & PTR_IS_DATA);} + PRBool IsValAllocated() const {return 0 != (flags & VAL_IS_ALLOCD);} + PRBool IsValInterface() const {return 0 != (flags & VAL_IS_IFACE);} + PRBool IsValArray() const {return 0 != (flags & VAL_IS_ARRAY);} + PRBool IsValDOMString() const {return 0 != (flags & VAL_IS_DOMSTR);} + PRBool IsValUTF8String() const {return 0 != (flags & VAL_IS_UTF8STR);} + PRBool IsValCString() const {return 0 != (flags & VAL_IS_CSTR);} +#ifdef VBOX + PRBool MustFreeVal() const {return 0 != (flags & ( VAL_IS_ALLOCD + | VAL_IS_IFACE + | VAL_IS_DOMSTR + | VAL_IS_UTF8STR + | VAL_IS_CSTR)); } +#endif + + void Init(const nsXPTCMiniVariant& mv, const nsXPTType& t, PRUint8 f) + { + type = t; + flags = f; + + if(f & PTR_IS_DATA) + { + ptr = mv.val.p; + val.p = nsnull; + } + else + { + ptr = nsnull; + switch(t.TagPart()) { + case nsXPTType::T_I8: val.i8 = mv.val.i8; break; + case nsXPTType::T_I16: val.i16 = mv.val.i16; break; + case nsXPTType::T_I32: val.i32 = mv.val.i32; break; + case nsXPTType::T_I64: val.i64 = mv.val.i64; break; + case nsXPTType::T_U8: val.u8 = mv.val.u8; break; + case nsXPTType::T_U16: val.u16 = mv.val.u16; break; + case nsXPTType::T_U32: val.u32 = mv.val.u32; break; + case nsXPTType::T_U64: val.u64 = mv.val.u64; break; + case nsXPTType::T_FLOAT: val.f = mv.val.f; break; + case nsXPTType::T_DOUBLE: val.d = mv.val.d; break; + case nsXPTType::T_BOOL: val.b = mv.val.b; break; + case nsXPTType::T_CHAR: val.c = mv.val.c; break; + case nsXPTType::T_WCHAR: val.wc = mv.val.wc; break; + case nsXPTType::T_VOID: /* fall through */ + case nsXPTType::T_IID: /* fall through */ + case nsXPTType::T_DOMSTRING: /* fall through */ + case nsXPTType::T_CHAR_STR: /* fall through */ + case nsXPTType::T_WCHAR_STR: /* fall through */ + case nsXPTType::T_INTERFACE: /* fall through */ + case nsXPTType::T_INTERFACE_IS: /* fall through */ + case nsXPTType::T_ARRAY: /* fall through */ + case nsXPTType::T_PSTRING_SIZE_IS: /* fall through */ + case nsXPTType::T_PWSTRING_SIZE_IS: /* fall through */ + case nsXPTType::T_UTF8STRING: /* fall through */ + case nsXPTType::T_CSTRING: /* fall through */ + default: val.p = mv.val.p; break; + } + } + } +}; + +/***************************************************************************/ + +#undef IMETHOD_VISIBILITY +#define IMETHOD_VISIBILITY NS_VISIBILITY_DEFAULT + +class XPTC_EXPORT nsXPTCStubBase : public nsISupports +{ +public: + // We are going to implement this to force the compiler to generate a + // vtbl for this class. Since this is overridden in the inheriting class + // we expect it to never be called. + // *This is needed by the Irix implementation.* + NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr); + + // Implement dummy constructor, destructor to workaround Solaris gcc 4.8.2 + // linking issue (see @bugref{5838}). + nsXPTCStubBase() {} + ~nsXPTCStubBase() {} + + // Include generated vtbl stub declarations. + // These are virtual and *also* implemented by this class.. +#include "xptcstubsdecl.inc" + + // The following methods must be provided by inheritor of this class. + + // return a refcounted pointer to the InterfaceInfo for this object + // NOTE: on some platforms this MUST not fail or we crash! + NS_IMETHOD GetInterfaceInfo(nsIInterfaceInfo** info) = 0; + + // call this method and return result + NS_IMETHOD CallMethod(PRUint16 methodIndex, + const nsXPTMethodInfo* info, + nsXPTCMiniVariant* params) = 0; +}; + +#undef IMETHOD_VISIBILITY +#define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN + +PR_BEGIN_EXTERN_C + +XPTC_PUBLIC_API(nsresult) +XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex, + PRUint32 paramCount, nsXPTCVariant* params); + +// Used to force linking of these obj for the static library into the dll +extern void xptc_dummy(); +extern void xptc_dummy2(); + +PR_END_EXTERN_C + +#endif /* xptcall_h___ */ |