mirror of
https://github.com/rn10950/RetroZilla.git
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265 lines
9.1 KiB
C++
265 lines
9.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* XPTI_PUBLIC_API and XPTI_GetInterfaceInfoManager declarations. */
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#ifndef xptiinfo_h___
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#define xptiinfo_h___
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#include "prtypes.h"
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#include "xpt_struct.h"
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/*
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* The linkage of XPTI API functions differs depending on whether the file is
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* used within the XPTI library or not. Any source file within the XPTI
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* library should define EXPORT_XPTI_API whereas any client of the library
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* should not.
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*/
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#ifdef EXPORT_XPTI_API
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#define XPTI_PUBLIC_API(t) PR_IMPLEMENT(t)
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#define XPTI_PUBLIC_DATA(t) PR_IMPLEMENT_DATA(t)
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#ifdef _WIN32
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# define XPTI_EXPORT __declspec(dllexport)
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#else
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# define XPTI_EXPORT
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#endif
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#else
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#ifdef _WIN32
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# define XPTI_PUBLIC_API(t) __declspec(dllimport) t
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# define XPTI_PUBLIC_DATA(t) __declspec(dllimport) t
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# define XPTI_EXPORT __declspec(dllimport)
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#else
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# define XPTI_PUBLIC_API(t) PR_IMPLEMENT(t)
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# define XPTI_PUBLIC_DATA(t) t
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# define XPTI_EXPORT
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#endif
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#endif
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#define XPTI_FRIEND_API(t) XPTI_PUBLIC_API(t)
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#define XPTI_FRIEND_DATA(t) XPTI_PUBLIC_DATA(t)
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class nsIInterfaceInfoManager;
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PR_BEGIN_EXTERN_C
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// Even if this is a service, it is cool to provide a direct accessor
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XPTI_PUBLIC_API(nsIInterfaceInfoManager*)
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XPTI_GetInterfaceInfoManager();
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// Even if this is a service, it is cool to provide a direct accessor
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XPTI_PUBLIC_API(void)
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XPTI_FreeInterfaceInfoManager();
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PR_END_EXTERN_C
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// Flyweight wrapper classes for xpt_struct.h structs.
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// Everything here is dependent upon - and sensitive to changes in -
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// xpcom/typelib/xpt/public/xpt_struct.h!
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class nsXPTType : public XPTTypeDescriptorPrefix
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{
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// NO DATA - this a flyweight wrapper
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public:
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nsXPTType()
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{} // random contents
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nsXPTType(const XPTTypeDescriptorPrefix& prefix)
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{*(XPTTypeDescriptorPrefix*)this = prefix;}
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nsXPTType(const uint8& prefix)
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{*(uint8*)this = prefix;}
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nsXPTType& operator=(uint8 val)
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{flags = val; return *this;}
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nsXPTType& operator=(const nsXPTType& other)
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{flags = other.flags; return *this;}
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operator uint8() const
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{return flags;}
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PRBool IsPointer() const
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{return 0 != (XPT_TDP_IS_POINTER(flags));}
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PRBool IsUniquePointer() const
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{return 0 != (XPT_TDP_IS_UNIQUE_POINTER(flags));}
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PRBool IsReference() const
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{return 0 != (XPT_TDP_IS_REFERENCE(flags));}
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PRBool IsArithmetic() const // terminology from Harbison/Steele
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{return flags <= T_WCHAR;}
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PRBool IsInterfacePointer() const
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{ switch (TagPart()) {
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default:
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return PR_FALSE;
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case T_INTERFACE:
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case T_INTERFACE_IS:
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return PR_TRUE;
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}
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}
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PRBool IsArray() const
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{return (PRBool) TagPart() == T_ARRAY;}
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// 'Dependent' means that params of this type are dependent upon other
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// params. e.g. an T_INTERFACE_IS is dependent upon some other param at
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// runtime to say what the interface type of this param really is.
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PRBool IsDependent() const
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{ switch (TagPart()) {
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default:
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return PR_FALSE;
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case T_INTERFACE_IS:
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case TD_ARRAY:
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case T_PSTRING_SIZE_IS:
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case T_PWSTRING_SIZE_IS:
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return PR_TRUE;
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}
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}
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uint8 TagPart() const
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{return (uint8) (flags & XPT_TDP_TAGMASK);}
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enum
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{
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T_I8 = TD_INT8 ,
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T_I16 = TD_INT16 ,
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T_I32 = TD_INT32 ,
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T_I64 = TD_INT64 ,
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T_U8 = TD_UINT8 ,
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T_U16 = TD_UINT16 ,
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T_U32 = TD_UINT32 ,
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T_U64 = TD_UINT64 ,
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T_FLOAT = TD_FLOAT ,
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T_DOUBLE = TD_DOUBLE ,
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T_BOOL = TD_BOOL ,
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T_CHAR = TD_CHAR ,
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T_WCHAR = TD_WCHAR ,
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T_VOID = TD_VOID ,
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T_IID = TD_PNSIID ,
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T_DOMSTRING = TD_DOMSTRING ,
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T_CHAR_STR = TD_PSTRING ,
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T_WCHAR_STR = TD_PWSTRING ,
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T_INTERFACE = TD_INTERFACE_TYPE ,
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T_INTERFACE_IS = TD_INTERFACE_IS_TYPE,
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T_ARRAY = TD_ARRAY ,
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T_PSTRING_SIZE_IS = TD_PSTRING_SIZE_IS ,
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T_PWSTRING_SIZE_IS = TD_PWSTRING_SIZE_IS ,
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T_UTF8STRING = TD_UTF8STRING ,
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T_CSTRING = TD_CSTRING ,
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T_ASTRING = TD_ASTRING
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};
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// NO DATA - this a flyweight wrapper
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};
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class nsXPTParamInfo : public XPTParamDescriptor
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{
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// NO DATA - this a flyweight wrapper
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public:
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nsXPTParamInfo(const XPTParamDescriptor& desc)
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{*(XPTParamDescriptor*)this = desc;}
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PRBool IsIn() const {return 0 != (XPT_PD_IS_IN(flags));}
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PRBool IsOut() const {return 0 != (XPT_PD_IS_OUT(flags));}
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PRBool IsRetval() const {return 0 != (XPT_PD_IS_RETVAL(flags));}
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PRBool IsShared() const {return 0 != (XPT_PD_IS_SHARED(flags));}
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PRBool IsDipper() const {return 0 != (XPT_PD_IS_DIPPER(flags));}
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const nsXPTType GetType() const {return type.prefix;}
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// NOTE: other activities on types are done via methods on nsIInterfaceInfo
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private:
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nsXPTParamInfo(); // no implementation
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// NO DATA - this a flyweight wrapper
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};
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class nsXPTMethodInfo : public XPTMethodDescriptor
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{
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// NO DATA - this a flyweight wrapper
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public:
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nsXPTMethodInfo(const XPTMethodDescriptor& desc)
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{*(XPTMethodDescriptor*)this = desc;}
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PRBool IsGetter() const {return 0 != (XPT_MD_IS_GETTER(flags) );}
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PRBool IsSetter() const {return 0 != (XPT_MD_IS_SETTER(flags) );}
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PRBool IsNotXPCOM() const {return 0 != (XPT_MD_IS_NOTXPCOM(flags));}
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PRBool IsConstructor() const {return 0 != (XPT_MD_IS_CTOR(flags) );}
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PRBool IsHidden() const {return 0 != (XPT_MD_IS_HIDDEN(flags) );}
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const char* GetName() const {return name;}
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uint8 GetParamCount() const {return num_args;}
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/* idx was index before I got _sick_ of the warnings on Unix, sorry jband */
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const nsXPTParamInfo GetParam(uint8 idx) const
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{
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NS_PRECONDITION(idx < GetParamCount(),"bad arg");
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return params[idx];
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}
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const nsXPTParamInfo GetResult() const
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{return *result;}
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private:
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nsXPTMethodInfo(); // no implementation
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// NO DATA - this a flyweight wrapper
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};
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// forward declaration
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struct nsXPTCMiniVariant;
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class nsXPTConstant : public XPTConstDescriptor
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{
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// NO DATA - this a flyweight wrapper
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public:
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nsXPTConstant(const XPTConstDescriptor& desc)
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{*(XPTConstDescriptor*)this = desc;}
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const char* GetName() const
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{return name;}
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const nsXPTType GetType() const
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{return type.prefix;}
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// XXX this is ugly. But sometimes you gotta do what you gotta do.
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// A reinterpret_cast won't do the trick here. And this plain C cast
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// works correctly and is safe enough.
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// See http://bugzilla.mozilla.org/show_bug.cgi?id=49641
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const nsXPTCMiniVariant* GetValue() const
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{return (nsXPTCMiniVariant*) &value;}
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private:
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nsXPTConstant(); // no implementation
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// NO DATA - this a flyweight wrapper
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};
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#endif /* xptiinfo_h___ */
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