| /* -*- 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 |
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| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| /* XPTI_PUBLIC_API and XPTI_GetInterfaceInfoManager declarations. */ |
| |
| #ifndef xptiinfo_h___ |
| #define xptiinfo_h___ |
| |
| #include "prtypes.h" |
| #include "nscore.h" |
| #include "xpt_struct.h" |
| |
| class nsIInterfaceInfoManager; |
| |
| // Flyweight wrapper classes for xpt_struct.h structs. |
| // Everything here is dependent upon - and sensitive to changes in - |
| // xpcom/typelib/xpt/public/xpt_struct.h! |
| |
| class nsXPTType : public XPTTypeDescriptorPrefix |
| { |
| // NO DATA - this a flyweight wrapper |
| public: |
| nsXPTType() |
| {} // random contents |
| nsXPTType(const XPTTypeDescriptorPrefix& prefix) |
| {*(XPTTypeDescriptorPrefix*)this = prefix;} |
| |
| nsXPTType(const uint8& prefix) |
| {*(uint8*)this = prefix;} |
| |
| nsXPTType& operator=(uint8 val) |
| {flags = val; return *this;} |
| |
| nsXPTType& operator=(const nsXPTType& other) |
| {flags = other.flags; return *this;} |
| |
| operator uint8() const |
| {return flags;} |
| |
| PRBool IsPointer() const |
| {return 0 != (XPT_TDP_IS_POINTER(flags));} |
| |
| PRBool IsUniquePointer() const |
| {return 0 != (XPT_TDP_IS_UNIQUE_POINTER(flags));} |
| |
| PRBool IsReference() const |
| {return 0 != (XPT_TDP_IS_REFERENCE(flags));} |
| |
| PRBool IsArithmetic() const // terminology from Harbison/Steele |
| {return flags <= T_WCHAR;} |
| |
| PRBool IsInterfacePointer() const |
| { switch (TagPart()) { |
| default: |
| return PR_FALSE; |
| case T_INTERFACE: |
| case T_INTERFACE_IS: |
| return PR_TRUE; |
| } |
| } |
| |
| PRBool IsArray() const |
| {return TagPart() == T_ARRAY;} |
| |
| // 'Dependent' means that params of this type are dependent upon other |
| // params. e.g. an T_INTERFACE_IS is dependent upon some other param at |
| // runtime to say what the interface type of this param really is. |
| PRBool IsDependent() const |
| { switch (TagPart()) { |
| default: |
| return PR_FALSE; |
| case T_INTERFACE_IS: |
| case TD_ARRAY: |
| case T_PSTRING_SIZE_IS: |
| case T_PWSTRING_SIZE_IS: |
| return PR_TRUE; |
| } |
| } |
| |
| uint8 TagPart() const |
| {return (uint8) (flags & XPT_TDP_TAGMASK);} |
| |
| enum |
| { |
| T_I8 = TD_INT8 , |
| T_I16 = TD_INT16 , |
| T_I32 = TD_INT32 , |
| T_I64 = TD_INT64 , |
| T_U8 = TD_UINT8 , |
| T_U16 = TD_UINT16 , |
| T_U32 = TD_UINT32 , |
| T_U64 = TD_UINT64 , |
| T_FLOAT = TD_FLOAT , |
| T_DOUBLE = TD_DOUBLE , |
| T_BOOL = TD_BOOL , |
| T_CHAR = TD_CHAR , |
| T_WCHAR = TD_WCHAR , |
| T_VOID = TD_VOID , |
| T_IID = TD_PNSIID , |
| T_DOMSTRING = TD_DOMSTRING , |
| T_CHAR_STR = TD_PSTRING , |
| T_WCHAR_STR = TD_PWSTRING , |
| T_INTERFACE = TD_INTERFACE_TYPE , |
| T_INTERFACE_IS = TD_INTERFACE_IS_TYPE, |
| T_ARRAY = TD_ARRAY , |
| T_PSTRING_SIZE_IS = TD_PSTRING_SIZE_IS , |
| T_PWSTRING_SIZE_IS = TD_PWSTRING_SIZE_IS , |
| T_UTF8STRING = TD_UTF8STRING , |
| T_CSTRING = TD_CSTRING , |
| T_ASTRING = TD_ASTRING |
| }; |
| // NO DATA - this a flyweight wrapper |
| }; |
| |
| class nsXPTParamInfo : public XPTParamDescriptor |
| { |
| // NO DATA - this a flyweight wrapper |
| public: |
| nsXPTParamInfo(const XPTParamDescriptor& desc) |
| {*(XPTParamDescriptor*)this = desc;} |
| |
| |
| PRBool IsIn() const {return 0 != (XPT_PD_IS_IN(flags));} |
| PRBool IsOut() const {return 0 != (XPT_PD_IS_OUT(flags));} |
| PRBool IsRetval() const {return 0 != (XPT_PD_IS_RETVAL(flags));} |
| PRBool IsShared() const {return 0 != (XPT_PD_IS_SHARED(flags));} |
| PRBool IsDipper() const {return 0 != (XPT_PD_IS_DIPPER(flags));} |
| PRBool IsOptional() const {return 0 != (XPT_PD_IS_OPTIONAL(flags));} |
| const nsXPTType GetType() const {return type.prefix;} |
| |
| // NOTE: other activities on types are done via methods on nsIInterfaceInfo |
| |
| private: |
| nsXPTParamInfo(); // no implementation |
| // NO DATA - this a flyweight wrapper |
| }; |
| |
| class nsXPTMethodInfo : public XPTMethodDescriptor |
| { |
| // NO DATA - this a flyweight wrapper |
| public: |
| nsXPTMethodInfo(const XPTMethodDescriptor& desc) |
| {*(XPTMethodDescriptor*)this = desc;} |
| |
| PRBool IsGetter() const {return 0 != (XPT_MD_IS_GETTER(flags) );} |
| PRBool IsSetter() const {return 0 != (XPT_MD_IS_SETTER(flags) );} |
| PRBool IsNotXPCOM() const {return 0 != (XPT_MD_IS_NOTXPCOM(flags));} |
| PRBool IsConstructor() const {return 0 != (XPT_MD_IS_CTOR(flags) );} |
| PRBool IsHidden() const {return 0 != (XPT_MD_IS_HIDDEN(flags) );} |
| const char* GetName() const {return name;} |
| uint8 GetParamCount() const {return num_args;} |
| /* idx was index before I got _sick_ of the warnings on Unix, sorry jband */ |
| const nsXPTParamInfo GetParam(uint8 idx) const |
| { |
| NS_PRECONDITION(idx < GetParamCount(),"bad arg"); |
| return params[idx]; |
| } |
| const nsXPTParamInfo GetResult() const |
| {return *result;} |
| private: |
| nsXPTMethodInfo(); // no implementation |
| // NO DATA - this a flyweight wrapper |
| }; |
| |
| |
| // forward declaration |
| struct nsXPTCMiniVariant; |
| |
| class nsXPTConstant : public XPTConstDescriptor |
| { |
| // NO DATA - this a flyweight wrapper |
| public: |
| nsXPTConstant(const XPTConstDescriptor& desc) |
| {*(XPTConstDescriptor*)this = desc;} |
| |
| const char* GetName() const |
| {return name;} |
| |
| const nsXPTType GetType() const |
| {return type.prefix;} |
| |
| // XXX this is ugly. But sometimes you gotta do what you gotta do. |
| // A reinterpret_cast won't do the trick here. And this plain C cast |
| // works correctly and is safe enough. |
| // See http://bugzilla.mozilla.org/show_bug.cgi?id=49641 |
| const nsXPTCMiniVariant* GetValue() const |
| {return (nsXPTCMiniVariant*) &value;} |
| private: |
| nsXPTConstant(); // no implementation |
| // NO DATA - this a flyweight wrapper |
| }; |
| |
| #endif /* xptiinfo_h___ */ |