X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/208fd16ca7ed205535995a1a63672a7d26ec1ada..61873536a0cdc8011fb43142e6656647c8c99c71:/include/wx/xtistrm.h diff --git a/include/wx/xtistrm.h b/include/wx/xtistrm.h index 3c1a465696..0f62e428c7 100644 --- a/include/wx/xtistrm.h +++ b/include/wx/xtistrm.h @@ -2,7 +2,7 @@ // Name: wx/xtistrm.h // Purpose: streaming runtime metadata information (extended class info) // Author: Stefan Csomor -// Modified by: +// Modified by: // Created: 27/07/03 // RCS-ID: $Id$ // Copyright: (c) 2003 Stefan Csomor @@ -12,16 +12,12 @@ #ifndef _WX_XTISTRMH__ #define _WX_XTISTRMH__ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma interface "xtistrm.h" -#endif - #include "wx/wx.h" #if wxUSE_EXTENDED_RTTI const int wxInvalidObjectID = -2 ; -const int wxNullObjectID = -1 ; +const int wxNullObjectID = -3 ; // Filer contains the interfaces for streaming objects in and out of XML, // rendering them either to objects in memory, or to code. Note: We @@ -43,54 +39,56 @@ Main interfaces for streaming out objects. // or modify the value before it is streamed-out. // ---------------------------------------------------------------------------- -class wxWriter ; -class wxReader ; +class WXDLLIMPEXP_FWD_BASE wxWriter ; +class WXDLLIMPEXP_FWD_BASE wxReader ; -class wxPersister +class WXDLLIMPEXP_BASE wxPersister { public : + virtual ~wxPersister() {} + // will be called before an object is written, may veto by returning false - virtual bool BeforeWriteObject( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object) , const wxClassInfo *WXUNUSED(classInfo) ) { return true ; } + virtual bool BeforeWriteObject( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object) , const wxClassInfo *WXUNUSED(classInfo) , wxxVariantArray &WXUNUSED(metadata)) { return true ; } // will be called after this object has been written, may be needed for adjusting stacks virtual void AfterWriteObject( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object) , const wxClassInfo *WXUNUSED(classInfo) ) {} - // will be called before a property gets written, may change the value , eg replace a concrete wxSize by wxSize( -1 , -1 ) or veto + // will be called before a property gets written, may change the value , eg replace a concrete wxSize by wxSize( wxDefaultCoord , wxDefaultCoord ) or veto // writing that property at all by returning false - virtual bool BeforeWriteProperty( wxWriter *WXUNUSED(writer) , const wxPropertyInfo *WXUNUSED(propInfo) , wxxVariant &WXUNUSED(value) ) { return true ; } + virtual bool BeforeWriteProperty( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object), const wxPropertyInfo *WXUNUSED(propInfo) , wxxVariant &WXUNUSED(value) ) { return true ; } - // will be called before a property gets written, may change the value , eg replace a concrete wxSize by wxSize( -1 , -1 ) or veto + // will be called before a property gets written, may change the value , eg replace a concrete wxSize by wxSize( wxDefaultCoord , wxDefaultCoord ) or veto // writing that property at all by returning false - virtual bool BeforeWriteProperty( wxWriter *WXUNUSED(writer) , const wxPropertyInfo *WXUNUSED(propInfo) , wxxVariantArray &WXUNUSED(value) ) { return true ; } + virtual bool BeforeWriteProperty( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object), const wxPropertyInfo *WXUNUSED(propInfo) , wxxVariantArray &WXUNUSED(value) ) { return true ; } // will be called after a property has been written out, may be needed for adjusting stacks virtual void AfterWriteProperty( wxWriter *WXUNUSED(writer) , const wxPropertyInfo *WXUNUSED(propInfo) ) {} // will be called before this delegate gets written - virtual bool BeforeWriteDelegate( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(propInfo) , - const wxObject *&WXUNUSED(eventSink) , const wxHandlerInfo* &WXUNUSED(handlerInfo) ) { return true ; } + virtual bool BeforeWriteDelegate( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(propInfo) , + const wxObject *&WXUNUSED(eventSink) , const wxHandlerInfo* &WXUNUSED(handlerInfo) ) { return true ; } - virtual void AfterWriteDelegate( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(propInfo) , - const wxObject *&WXUNUSED(eventSink) , const wxHandlerInfo* &WXUNUSED(handlerInfo) ) { } + virtual void AfterWriteDelegate( wxWriter *WXUNUSED(writer) , const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(propInfo) , + const wxObject *&WXUNUSED(eventSink) , const wxHandlerInfo* &WXUNUSED(handlerInfo) ) { } } ; -class wxWriter : public wxObject +class WXDLLIMPEXP_BASE wxWriter : public wxObject { public : wxWriter() ; - ~wxWriter() ; + virtual ~wxWriter() ; // with this call you start writing out a new top-level object - void WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , const wxString &name ) ; + void WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , const wxString &name , wxxVariantArray &WXUNUSED(metadata)) ; // // Managing the object identity table a.k.a context // - // these methods make sure that no object gets written twice, because sometimes multiple calls to the WriteObject will be + // these methods make sure that no object gets written twice, because sometimes multiple calls to the WriteObject will be // made without wanting to have duplicate objects written, the object identity table will be reset manually virtual void ClearObjectContext() ; - + // gets the object Id for a passed in object in the context int GetObjectID(const wxObject *obj) ; @@ -109,7 +107,7 @@ public : virtual void DoEndWriteTopLevelEntry( const wxString &name ) = 0 ; // start of writing an object having the passed in ID - virtual void DoBeginWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID ) = 0 ; + virtual void DoBeginWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata ) = 0 ; // end of writing an toplevel object name param is used for unique identification within the container virtual void DoEndWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID ) = 0 ; @@ -125,14 +123,14 @@ public : virtual void DoBeginWriteElement() = 0 ; virtual void DoEndWriteElement() = 0 ; - // insert an object reference to an already written object + // insert an object reference to an already written object virtual void DoWriteRepeatedObject( int objectID ) = 0 ; // insert a null reference virtual void DoWriteNullObject() = 0 ; // writes a delegate in the stream format - virtual void DoWriteDelegate( const wxObject *object, const wxClassInfo* classInfo , const wxPropertyInfo *propInfo , + virtual void DoWriteDelegate( const wxObject *object, const wxClassInfo* classInfo , const wxPropertyInfo *propInfo , const wxObject *eventSink , int sinkObjectID , const wxClassInfo* eventSinkClassInfo , const wxHandlerInfo* handlerIndo ) = 0; private : @@ -142,91 +140,39 @@ private : struct wxWriterInternalPropertiesData ; void WriteAllProperties( const wxObject * obj , const wxClassInfo* ci , wxPersister *persister, wxWriterInternalPropertiesData * data ) ; - void WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , bool isEmbedded) ; - void FindConnectEntry(const wxWindow * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler) ; + void WriteOneProperty( const wxObject *obj , const wxClassInfo* ci , const wxPropertyInfo* pi , wxPersister *persister , wxWriterInternalPropertiesData *data ) ; + void WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , bool isEmbedded, wxxVariantArray &metadata ) ; + void FindConnectEntry(const wxEvtHandler * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler) ; } ; -class wxXmlWriter : public wxWriter -{ -public : - - wxXmlWriter( wxXmlNode * parent ) ; - ~wxXmlWriter() ; - - // - // streaming callbacks - // - // these callbacks really write out the values in the stream format - // - - // - // streaming callbacks - // - // these callbacks really write out the values in the stream format - - // begins writing out a new toplevel entry which has the indicated unique name - virtual void DoBeginWriteTopLevelEntry( const wxString &name ) ; - - // ends writing out a new toplevel entry which has the indicated unique name - virtual void DoEndWriteTopLevelEntry( const wxString &name ) ; - - // start of writing an object having the passed in ID - virtual void DoBeginWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID ) ; - - // end of writing an toplevel object name param is used for unique identification within the container - virtual void DoEndWriteObject(const wxObject *object, const wxClassInfo *classInfo, int objectID ) ; - - // writes a simple property in the stream format - virtual void DoWriteSimpleType( wxxVariant &value ) ; - - // start of writing a complex property into the stream ( - virtual void DoBeginWriteProperty( const wxPropertyInfo *propInfo ) ; - - // end of writing a complex property into the stream - virtual void DoEndWriteProperty( const wxPropertyInfo *propInfo ) ; - - virtual void DoBeginWriteElement() ; - virtual void DoEndWriteElement() ; - - // insert an object reference to an already written object - virtual void DoWriteRepeatedObject( int objectID ) ; - - // insert a null reference - virtual void DoWriteNullObject() ; - - // writes a delegate in the stream format - virtual void DoWriteDelegate( const wxObject *object, const wxClassInfo* classInfo , const wxPropertyInfo *propInfo , - const wxObject *eventSink , int sinkObjectID , const wxClassInfo* eventSinkClassInfo , const wxHandlerInfo* handlerIndo ) ; -private : - struct wxXmlWriterInternal ; - wxXmlWriterInternal* m_data ; -} ; /* Streaming callbacks for depersisting XML to code, or running objects */ -class wxDepersister ; +class WXDLLIMPEXP_FWD_BASE wxDepersister ; /* wxReader handles streaming in a class from a arbitrary format. While walking through it issues calls out to interfaces to depersist the guts from the underlying storage format. */ -class wxReader : public wxObject +class WXDLLIMPEXP_BASE wxReader : public wxObject { public : wxReader() ; - ~wxReader() ; + virtual ~wxReader() ; // the only thing wxReader knows about is the class info by object ID wxClassInfo *GetObjectClassInfo(int objectID) ; bool HasObjectClassInfo( int objectID ) ; void SetObjectClassInfo(int objectID, wxClassInfo* classInfo); - // Reads the component the reader is pointed at from the underlying format. + // Reads the component the reader is pointed at from the underlying format. // The return value is the root object ID, which can // then be used to ask the depersister about that object + // if there was a problem you will get back wxInvalidObjectID and the current + // error log will carry the problems encoutered virtual int ReadObject( const wxString &name , wxDepersister *depersist ) = 0 ; private : @@ -234,41 +180,18 @@ private : wxReaderInternal *m_data; } ; -/* -wxXmlReader handles streaming in a class from XML -*/ - -class wxXmlReader : public wxReader -{ -public: - wxXmlReader(wxXmlNode *parent) { m_parent = parent ; } - ~wxXmlReader() {} - - // Reads a component from XML. The return value is the root object ID, which can - // then be used to ask the depersister about that object - - virtual int ReadObject( const wxString &name , wxDepersister *depersist ) ; - -private : - int ReadComponent(wxXmlNode *parent, wxDepersister *callbacks); - - // read the content of this node (simple type) and return the corresponding value - wxxVariant ReadValue(wxXmlNode *Node, - const wxTypeInfo *type ); - - wxXmlNode * m_parent ; -}; - // This abstract class matches the allocate-init/create model of creation of objects. // At runtime, these will create actual instances, and manipulate them. // When generating code, these will just create statements of C++ // code to create the objects. -class wxDepersister +class WXDLLIMPEXP_BASE wxDepersister { public : + virtual ~wxDepersister() {} + // allocate the new object on the heap, that object will have the passed in ID - virtual void AllocateObject(int objectID, wxClassInfo *classInfo) = 0; + virtual void AllocateObject(int objectID, wxClassInfo *classInfo, wxxVariantArray &metadata) = 0; // initialize the already allocated object having the ID objectID with the Create method // creation parameters which are objects are having their Ids passed in objectIDValues @@ -279,8 +202,21 @@ public : int paramCount, wxxVariant *VariantValues , int *objectIDValues , - const wxClassInfo **objectClassInfos - ) = 0; + const wxClassInfo **objectClassInfos , + wxxVariantArray &metadata) = 0; + + // construct the new object on the heap, that object will have the passed in ID (for objects that + // don't support allocate-create type of creation) + // creation parameters which are objects are having their Ids passed in objectIDValues + // having objectId <> wxInvalidObjectID + + virtual void ConstructObject(int objectID, + const wxClassInfo *classInfo, + int paramCount, + wxxVariant *VariantValues , + int *objectIDValues , + const wxClassInfo **objectClassInfos , + wxxVariantArray &metadata) = 0; // destroy the heap-allocated object having the ID objectID, this may be used if an object // is embedded in another object and set via value semantics, so the intermediate @@ -314,7 +250,7 @@ public : // sets the corresponding event handler virtual void SetConnect(int EventSourceObjectID, const wxClassInfo *EventSourceClassInfo, - const wxDelegateTypeInfo *delegateInfo , + const wxPropertyInfo *delegateInfo , const wxClassInfo *EventSinkClassInfo , const wxHandlerInfo* handlerInfo , int EventSinkObjectID ) = 0; @@ -325,19 +261,21 @@ wxRuntimeDepersister implements the callbacks that will depersist an object into a running memory image, as opposed to writing C++ initialization code to bring the object to life. */ -class wxRuntimeDepersister : public wxDepersister + +class WXDLLIMPEXP_BASE wxRuntimeDepersister : public wxDepersister { struct wxRuntimeDepersisterInternal ; wxRuntimeDepersisterInternal * m_data ; public : - wxRuntimeDepersister() ; - ~wxRuntimeDepersister() ; + wxRuntimeDepersister(); + virtual ~wxRuntimeDepersister(); - // returns the object having the corresponding ID fully constructed + // returns the object having the corresponding ID fully constructed wxObject *GetObject(int objectID) ; // allocate the new object on the heap, that object will have the passed in ID - virtual void AllocateObject(int objectID, wxClassInfo *classInfo) ; + virtual void AllocateObject(int objectID, wxClassInfo *classInfo , + wxxVariantArray &metadata) ; // initialize the already allocated object having the ID objectID with the Create method // creation parameters which are objects are having their Ids passed in objectIDValues @@ -348,9 +286,23 @@ public : int paramCount, wxxVariant *VariantValues , int *objectIDValues, - const wxClassInfo **objectClassInfos + const wxClassInfo **objectClassInfos , + wxxVariantArray &metadata ) ; + // construct the new object on the heap, that object will have the passed in ID (for objects that + // don't support allocate-create type of creation) + // creation parameters which are objects are having their Ids passed in objectIDValues + // having objectId <> wxInvalidObjectID + + virtual void ConstructObject(int objectID, + const wxClassInfo *classInfo, + int paramCount, + wxxVariant *VariantValues , + int *objectIDValues , + const wxClassInfo **objectClassInfos , + wxxVariantArray &metadata) ; + // destroy the heap-allocated object having the ID objectID, this may be used if an object // is embedded in another object and set via value semantics, so the intermediate // object can be destroyed after safely @@ -383,7 +335,7 @@ public : // sets the corresponding event handler virtual void SetConnect(int eventSourceObjectID, const wxClassInfo *eventSourceClassInfo, - const wxDelegateTypeInfo *delegateInfo , + const wxPropertyInfo *delegateInfo , const wxClassInfo *eventSinkClassInfo , const wxHandlerInfo* handlerInfo , int eventSinkObjectID ) ; @@ -391,12 +343,13 @@ public : /* wxDepersisterCode implements the callbacks that will depersist -an object into a C++ initialization function. +an object into a C++ initialization function. this will move to +a utility lib soon */ -class wxTextOutputStream ; +class WXDLLIMPEXP_FWD_BASE wxTextOutputStream ; -class wxCodeDepersister : public wxDepersister +class WXDLLIMPEXP_BASE wxCodeDepersister : public wxDepersister { private : struct wxCodeDepersisterInternal ; @@ -404,11 +357,12 @@ private : wxTextOutputStream *m_fp; wxString ValueAsCode( const wxxVariant ¶m ) ; public: - wxCodeDepersister(wxTextOutputStream *out) ; - ~wxCodeDepersister() ; + wxCodeDepersister(wxTextOutputStream *out); + virtual ~wxCodeDepersister(); // allocate the new object on the heap, that object will have the passed in ID - virtual void AllocateObject(int objectID, wxClassInfo *classInfo) ; + virtual void AllocateObject(int objectID, wxClassInfo *classInfo , + wxxVariantArray &metadata) ; // initialize the already allocated object having the ID objectID with the Create method // creation parameters which are objects are having their Ids passed in objectIDValues @@ -419,9 +373,23 @@ public: int paramCount, wxxVariant *variantValues , int *objectIDValues, - const wxClassInfo **objectClassInfos + const wxClassInfo **objectClassInfos , + wxxVariantArray &metadata ) ; + // construct the new object on the heap, that object will have the passed in ID (for objects that + // don't support allocate-create type of creation) + // creation parameters which are objects are having their Ids passed in objectIDValues + // having objectId <> wxInvalidObjectID + + virtual void ConstructObject(int objectID, + const wxClassInfo *classInfo, + int paramCount, + wxxVariant *VariantValues , + int *objectIDValues , + const wxClassInfo **objectClassInfos , + wxxVariantArray &metadata) ; + // destroy the heap-allocated object having the ID objectID, this may be used if an object // is embedded in another object and set via value semantics, so the intermediate // object can be destroyed after safely @@ -454,7 +422,7 @@ public: // sets the corresponding event handler virtual void SetConnect(int eventSourceObjectID, const wxClassInfo *eventSourceClassInfo, - const wxDelegateTypeInfo *delegateInfo , + const wxPropertyInfo *delegateInfo , const wxClassInfo *eventSinkClassInfo , const wxHandlerInfo* handlerInfo , int eventSinkObjectID ) ;