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redistribution of code for different library parts

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23142 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor 2003-08-23 19:40:04 +00:00
parent 9d5f4fbbd4
commit 9c8046dded
7 changed files with 727 additions and 552 deletions
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104
include/wx/flags.h
View File

@ -16,101 +16,147 @@
#pragma interface "flags.h"
#endif
#include <bitset>
// wxFlags should be applied to an enum, then this can be used like
// bitwise operators but keeps the type safety and information, the
// enums must be in a sequence , their value determines the bit position
// that they represent
// The api is made as close as possible to <bitset>
template <class T> class wxFlags
{
friend class wxEnumData ;
public:
wxFlags(long val) { m_data = val ; }
// creates a wxFlags<> object with all flags initialized to 0
wxFlags() { m_data = 0; }
// created a wxFlags<> object initialized according to the bits of the
// integral value val
wxFlags(unsigned long val) { m_data = val ; }
// copies the content in the new wxFlags<> object from another one
wxFlags(const wxFlags &src) { m_data = src.m_data; }
// creates a wxFlags<> object that has the specific flag set
wxFlags(const T el) { m_data |= 1 << el; }
operator long() const { return m_data ; }
// returns the integral value that the bits of this object represent
unsigned long to_ulong() const { return m_data ; }
// assignment
wxFlags &operator =(const wxFlags &rhs)
{
m_data = rhs.m_data;
return *this;
}
wxFlags &operator +=(const wxFlags &rhs) // union
// bitwise or operator, sets all bits that are in rhs and leaves
// the rest unchanged
wxFlags &operator |=(const wxFlags &rhs)
{
m_data |= rhs.m_data;
return *this;
}
wxFlags &operator -=(const wxFlags &rhs) // difference
// bitwsie exclusive-or operator, toggles the value of all bits
// that are set in bits and leaves all others unchanged
wxFlags &operator ^=(const wxFlags &rhs) // difference
{
m_data ^= rhs.m_data;
return *this;
}
wxFlags &operator *=(const wxFlags &rhs) // intersection
// bitwise and operator, resets all bits that are not in rhs and leaves
// all others unchanged
wxFlags &operator &=(const wxFlags &rhs) // intersection
{
m_data &= rhs.m_data;
return *this;
}
wxFlags operator +(const wxFlags &rhs) const // union
// bitwise or operator, returns a new bitset that has all bits set that set are in
// bitset2 or in this bitset
wxFlags operator |(const wxFlags &bitset2) const // union
{
wxFlags<T> s;
s.m_data = m_data | rhs.m_data;
return s;
}
wxFlags operator -(const wxFlags &rhs) const // difference
{
wxFlags<T> s;
s.m_data = m_data ^ rhs.m_data;
return s;
}
wxFlags operator *(const wxFlags &rhs) const // intersection
{
wxFlags<T> s;
s.m_data = m_data & rhs.m_data;
s.m_data = m_data | bitset2.m_data;
return s;
}
wxFlags& Set(const T el) //Add element
// bitwise exclusive-or operator, returns a new bitset that has all bits set that are set either in
// bitset2 or in this bitset but not in both
wxFlags operator ^(const wxFlags &bitset2) const // difference
{
wxFlags<T> s;
s.m_data = m_data ^ bitset2.m_data;
return s;
}
// bitwise and operator, returns a new bitset that has all bits set that are set both in
// bitset2 and in this bitset
wxFlags operator &(const wxFlags &bitset2) const // intersection
{
wxFlags<T> s;
s.m_data = m_data & bitset2.m_data;
return s;
}
// sets appropriate the bit to true
wxFlags& set(const T el) //Add element
{
m_data |= 1 << el;
return *this;
}
wxFlags& Clear(const T el) //remove element
// clears the appropriate flag to false
wxFlags& reset(const T el) //remove element
{
m_data &= ~(1 << el);
return *this;
}
bool Contains(const T el) const
{
return (m_data & (1 << el)) ? true : false;
}
wxFlags &Clear()
// clear all flags
wxFlags& reset()
{
m_data = 0;
return *this;
}
bool Empty() const
// true if this flag is set
bool test(const T el) const
{
return (m_data & (1 << el)) ? true : false;
}
// true if no flag is set
bool none() const
{
return m_data == 0;
}
// true if any flag is set
bool any() const
{
return m_data != 0;
}
// true if both have the same flags
bool operator ==(const wxFlags &rhs) const
{
return m_data == rhs.m_data;
}
// true if both differ in their flags set
bool operator !=(const wxFlags &rhs) const
{
return !operator==(rhs);
}
bool operator[] (const T el) const { return test(el) ; }
private :
int m_data;
unsigned long m_data;
};

58
include/wx/xti.h
View File

@ -167,7 +167,7 @@ template<typename e>
void wxSetFromString(const wxString &s , wxFlags<e> &data )
{
wxEnumData* edata = wxGetEnumData((e) 0) ;
data.Clear() ;
data.reset() ;
wxArrayString array ;
wxSetStringToArray( s , array ) ;
@ -178,7 +178,7 @@ void wxSetFromString(const wxString &s , wxFlags<e> &data )
int ivalue ;
if ( edata->HasEnumMemberValue( flag , &ivalue ) )
{
data.Set( (e) ivalue ) ;
data.set( (e) ivalue ) ;
}
}
}
@ -193,7 +193,7 @@ void wxSetToString( wxString &s , const wxFlags<e> &data )
for ( i = 0 ; i < count ; i++ )
{
e value = (e) edata->GetEnumMemberValueByIndex(i) ;
if ( data.Contains( value ) )
if ( data.test( value ) )
{
// this could also be done by the templated calls
if ( !s.IsEmpty() )
@ -215,8 +215,8 @@ void wxSetToString( wxString &s , const wxFlags<e> &data )
{ \
wxSetToString( s , data ) ; \
} \
void FromLong##SetName( long data , wxxVariant& result ) { result = wxxVariant(SetName(data)) ;} \
void ToLong##SetName( const wxxVariant& data , long &result ) { result = (long) data.Get<SetName>() ;} \
void FromLong##SetName( long data , wxxVariant& result ) { result = wxxVariant(SetName((unsigned long)data)) ;} \
void ToLong##SetName( const wxxVariant& data , long &result ) { result = (long) data.Get<SetName>().to_ulong() ;} \
template<> const wxTypeInfo* wxGetTypeInfo( SetName * ) \
{ \
static wxEnumTypeInfo s_typeInfo(wxT_SET , &s_enumData##e , &wxToStringConverter<SetName> , &wxFromStringConverter<SetName> , &ToLong##SetName , &FromLong##SetName, #SetName ) ; return &s_typeInfo ; \
@ -749,6 +749,8 @@ enum {
wxPROP_OBJECT_GRAPH = 0x00000002 ,
// this will only be streamed out and in as enum/set, the internal representation is still a long
wxPROP_ENUM_STORE_LONG = 0x00000004 ,
// don't stream out this property, needed eg to avoid streaming out children that are always created by their parents
wxPROP_DONT_STREAM = 0x00000008 ,
} ;
class WXDLLIMPEXP_BASE wxPropertyInfo
@ -838,7 +840,8 @@ WX_DECLARE_EXPORTED_STRING_HASH_MAP( wxPropertyInfo* , wxPropertyInfoMap ) ;
#define WX_END_PROPERTIES_TABLE() \
return first ; }
#define WX_HIDE_PROPERTY( name ) \
static wxPropertyInfo _propertyInfo##name( first , class_t::GetClassInfoStatic() , #name , wxGetTypeInfo( (void*) NULL ) ,NULL , wxxVariant() , wxPROP_DONT_STREAM , wxEmptyString , wxEmptyString ) ;
#define WX_PROPERTY( name , type , setter , getter ,defaultValue , flags , help , group) \
WX_SETTER( name , class_t , type , setter ) \
@ -1192,6 +1195,9 @@ struct wxConstructorBridge_8 : public wxConstructorBridge
typedef wxObject *(*wxObjectConstructorFn)(void);
typedef wxObject* (*wxVariantToObjectConverter)( wxxVariant &data ) ;
typedef wxxVariant (*wxObjectToVariantConverter)( wxObject* ) ;
class wxWriter ;
class wxPersister ;
typedef bool (*wxObjectStreamingCallback) ( const wxObject *, wxWriter * , wxPersister * , wxxVariantArray & ) ;
class WXDLLIMPEXP_BASE wxClassInfo
{
@ -1208,11 +1214,13 @@ public:
const int _ConstructorPropertiesCount ,
wxVariantToObjectConverter _PtrConverter1 ,
wxVariantToObjectConverter _Converter2 ,
wxObjectToVariantConverter _Converter3
wxObjectToVariantConverter _Converter3 ,
wxObjectStreamingCallback _streamingCallback = NULL
) : m_parents(_Parents) , m_unitName(_UnitName) ,m_className(_ClassName),
m_objectSize(size), m_objectConstructor(ctor) , m_firstProperty(_Props ) , m_firstHandler(_Handlers ) , m_constructor( _Constructor ) ,
m_constructorProperties(_ConstructorProperties) , m_constructorPropertiesCount(_ConstructorPropertiesCount),
m_variantOfPtrToObjectConverter( _PtrConverter1 ) , m_variantToObjectConverter( _Converter2 ) , m_objectToVariantConverter( _Converter3 ) , m_next(sm_first)
m_variantOfPtrToObjectConverter( _PtrConverter1 ) , m_variantToObjectConverter( _Converter2 ) , m_objectToVariantConverter( _Converter3 ) ,
m_next(sm_first) , m_streamingCallback( _streamingCallback )
{
sm_first = this;
Register() ;
@ -1221,7 +1229,8 @@ public:
wxClassInfo(const wxChar *_UnitName, const wxChar *_ClassName, const wxClassInfo **_Parents) : m_parents(_Parents) , m_unitName(_UnitName) ,m_className(_ClassName),
m_objectSize(0), m_objectConstructor(NULL) , m_firstProperty(NULL ) , m_firstHandler(NULL ) , m_constructor( NULL ) ,
m_constructorProperties(NULL) , m_constructorPropertiesCount(NULL),
m_variantOfPtrToObjectConverter( NULL ) , m_variantToObjectConverter( NULL ) , m_objectToVariantConverter( NULL ) , m_next(sm_first)
m_variantOfPtrToObjectConverter( NULL ) , m_variantToObjectConverter( NULL ) , m_objectToVariantConverter( NULL ) , m_next(sm_first) ,
m_streamingCallback( NULL )
{
sm_first = this;
Register() ;
@ -1237,6 +1246,7 @@ public:
wxObject *CreateObject() const { return AllocateObject() ; }
const wxChar *GetClassName() const { return m_className; }
const wxChar *GetIncludeName() const { return m_unitName ; }
const wxClassInfo **GetParents() const { return m_parents; }
int GetSize() const { return m_objectSize; }
@ -1264,6 +1274,15 @@ public:
return false ;
}
// if there is a callback registered with that class it will be called before this
// object will be written to disk, it can veto streaming out this object by returning
// false, if this class has not registered a callback, the search will go up the inheritance tree
// if no callback has been registered true will be returned by default
bool BeforeWriteObject( const wxObject *obj, wxWriter *streamer , wxPersister *persister , wxxVariantArray &metadata) const ;
// gets the streaming callback from this class or any superclass
wxObjectStreamingCallback GetStreamingCallback() const ;
#ifdef WXWIN_COMPATIBILITY_2_4
// Initializes parent pointers and hash table for fast searching.
wxDEPRECATED( static void InitializeClasses() );
@ -1353,7 +1372,7 @@ private:
wxVariantToObjectConverter m_variantOfPtrToObjectConverter ;
wxVariantToObjectConverter m_variantToObjectConverter ;
wxObjectToVariantConverter m_objectToVariantConverter ;
wxObjectStreamingCallback m_streamingCallback ;
const wxPropertyAccessor *FindAccessor (const wxChar *propertyName) const ;
@ -1441,7 +1460,7 @@ public :
// Single inheritance with one base class
#define _IMPLEMENT_DYNAMIC_CLASS(name, basename, unit) \
#define _IMPLEMENT_DYNAMIC_CLASS(name, basename, unit , callback) \
wxObject* wxConstructorFor##name() \
{ return new name; } \
const wxClassInfo* name::sm_classParents##name[] = { &basename::sm_class##basename ,NULL } ; \
@ -1451,7 +1470,7 @@ public :
(int) sizeof(name), \
(wxObjectConstructorFn) wxConstructorFor##name , \
name::GetPropertiesStatic(),name::GetHandlersStatic(),name::sm_constructor##name , name::sm_constructorProperties##name , \
name::sm_constructorPropertiesCount##name , wxVariantOfPtrToObjectConverter##name , NULL , wxObjectToVariantConverter##name); \
name::sm_constructorPropertiesCount##name , wxVariantOfPtrToObjectConverter##name , NULL , wxObjectToVariantConverter##name , callback); \
template<> void wxStringReadValue(const wxString & , name & ){wxASSERT_MSG( 0 , wxT("Illegal Spezialication Called") ) ;}\
template<> void wxStringWriteValue(wxString & , name const & ){wxASSERT_MSG( 0 , wxT("Illegal Spezialication Called") );}\
template<> void wxStringReadValue(const wxString & , name * & ){wxASSERT_MSG( 0 , wxT("Illegal Spezialication Called") ) ;}\
@ -1462,7 +1481,7 @@ public :
template<> const wxTypeInfo* wxGetTypeInfo( name * ){ static wxClassTypeInfo s_typeInfo(wxT_OBJECT , &name::sm_class##name) ; return &s_typeInfo ; } \
template<> const wxTypeInfo* wxGetTypeInfo( name ** ){ static wxClassTypeInfo s_typeInfo(wxT_OBJECT_PTR , &name::sm_class##name) ; return &s_typeInfo ; }
#define _IMPLEMENT_DYNAMIC_CLASS_WITH_COPY(name, basename, unit) \
#define _IMPLEMENT_DYNAMIC_CLASS_WITH_COPY(name, basename, unit, callback ) \
wxObject* wxConstructorFor##name() \
{ return new name; } \
const wxClassInfo* name::sm_classParents##name[] = { &basename::sm_class##basename ,NULL } ; \
@ -1473,7 +1492,7 @@ public :
(int) sizeof(name), \
(wxObjectConstructorFn) wxConstructorFor##name , \
name::GetPropertiesStatic(),name::GetHandlersStatic(),name::sm_constructor##name , name::sm_constructorProperties##name , \
name::sm_constructorPropertiesCount##name , wxVariantOfPtrToObjectConverter##name , wxVariantToObjectConverter##name , wxObjectToVariantConverter##name); \
name::sm_constructorPropertiesCount##name , wxVariantOfPtrToObjectConverter##name , wxVariantToObjectConverter##name , wxObjectToVariantConverter##name, callback); \
template<> void wxStringReadValue(const wxString & , name & ){wxASSERT_MSG( 0 , wxT("Illegal Spezialication Called") ) ;}\
template<> void wxStringWriteValue(wxString & , name const & ){wxASSERT_MSG( 0 , wxT("Illegal Spezialication Called") );}\
template<> void wxStringReadValue(const wxString & , name * & ){wxASSERT_MSG( 0 , wxT("Illegal Spezialication Called") ) ;}\
@ -1485,22 +1504,25 @@ public :
template<> const wxTypeInfo* wxGetTypeInfo( name ** ){ static wxClassTypeInfo s_typeInfo(wxT_OBJECT_PTR , &name::sm_class##name) ; return &s_typeInfo ; }
#define IMPLEMENT_DYNAMIC_CLASS_WITH_COPY( name , basename ) \
_IMPLEMENT_DYNAMIC_CLASS_WITH_COPY( name , basename , "" ) \
_IMPLEMENT_DYNAMIC_CLASS_WITH_COPY( name , basename , "" , NULL ) \
const wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; } \
const wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
WX_CONSTRUCTOR_DUMMY( name )
#define IMPLEMENT_DYNAMIC_CLASS( name , basename ) \
_IMPLEMENT_DYNAMIC_CLASS( name , basename , "" ) \
_IMPLEMENT_DYNAMIC_CLASS( name , basename , "" , NULL ) \
wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; } \
wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
WX_CONSTRUCTOR_DUMMY( name )
#define IMPLEMENT_DYNAMIC_CLASS_XTI( name , basename , unit ) \
_IMPLEMENT_DYNAMIC_CLASS( name , basename , unit )
_IMPLEMENT_DYNAMIC_CLASS( name , basename , unit , NULL )
#define IMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK( name , basename , unit , callback ) \
_IMPLEMENT_DYNAMIC_CLASS( name , basename , unit , &callback )
#define IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI( name , basename , unit ) \
_IMPLEMENT_DYNAMIC_CLASS_WITH_COPY( name , basename , unit )
_IMPLEMENT_DYNAMIC_CLASS_WITH_COPY( name , basename , unit , NULL )
// this is for classes that do not derive from wxobject, there are no creators for these

82
include/wx/xtistrm.h
View File

@ -144,64 +144,9 @@ private :
void WriteAllProperties( const wxObject * obj , const wxClassInfo* ci , wxPersister *persister, wxWriterInternalPropertiesData * data ) ;
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 wxWindow * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler) ;
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 , wxxVariantArray &metadata ) ;
// 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
@ -235,31 +180,6 @@ 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++

110
include/wx/xtixml.h Normal file
View File

@ -0,0 +1,110 @@
/////////////////////////////////////////////////////////////////////////////
// Name: wx/xtixml.h
// Purpose: xml streaming runtime metadata information (extended class info)
// Author: Stefan Csomor
// Modified by:
// Created: 27/07/03
// RCS-ID: $Id$
// Copyright: (c) 2003 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_XTIXMLH__
#define _WX_XTIXMLH__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "xtixml.h"
#endif
#include "wx/wx.h"
#if wxUSE_EXTENDED_RTTI
#include "wx/xtistrm.h"
class wxXmlNode ;
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 , wxxVariantArray &metadata ) ;
// 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 ;
} ;
/*
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 ;
};
#endif // wxUSE_EXTENDED_RTTI
#endif

26
src/common/xti.cpp
View File

@ -316,10 +316,6 @@ WX_ILLEGAL_TYPE_SPECIALIZATION( bool * )
WX_ILLEGAL_TYPE_SPECIALIZATION( long * )
WX_ILLEGAL_TYPE_SPECIALIZATION( wxString * )
//
// make wxWindowList known
WX_COLLECTION_TYPE_INFO( wxString , wxArrayString ) ;
template<> void wxCollectionToVariantArray( wxArrayString const &theArray, wxxVariantArray &value)
@ -445,6 +441,28 @@ const wxHandlerInfo *wxClassInfo::FindHandlerInfo (const char *PropertyName) con
return 0;
}
wxObjectStreamingCallback wxClassInfo::GetStreamingCallback() const
{
if ( m_streamingCallback )
return m_streamingCallback ;
wxObjectStreamingCallback retval = NULL ;
const wxClassInfo** parents = GetParents() ;
for ( int i = 0 ; parents[i] && retval == NULL ; ++ i )
{
retval = parents[i]->GetStreamingCallback() ;
}
return retval ;
}
bool wxClassInfo::BeforeWriteObject( const wxObject *obj, wxWriter *streamer , wxPersister *persister , wxxVariantArray &metadata) const
{
wxObjectStreamingCallback sb = GetStreamingCallback() ;
if ( sb )
return (*sb)(obj , streamer , persister , metadata ) ;
return true ;
}
void wxClassInfo::SetProperty(wxObject *object, const char *propertyName, const wxxVariant &value) const
{

444
src/common/xtistrm.cpp
View File

@ -25,10 +25,10 @@
#include "wx/object.h"
#endif
#include "wx/xml/xml.h"
#include "wx/tokenzr.h"
#include "wx/xtistrm.h"
#include "wx/txtstrm.h"
#include "wx/event.h"
#if wxUSE_EXTENDED_RTTI
@ -78,11 +78,7 @@ void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo
void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo , wxPersister *persister , bool isEmbedded, wxxVariantArray &metadata )
{
// hack to avoid writing out embedded windows, these are windows that are constructed as part of other windows, they would
// doubly constructed afterwards
const wxWindow * win = dynamic_cast<const wxWindow*>(object) ;
if ( win && win->GetId() < 0 )
if ( !classInfo->BeforeWriteObject( object , this , persister , metadata) )
return ;
if ( persister->BeforeWriteObject( this , object , classInfo , metadata) )
@ -112,7 +108,7 @@ void wxWriter::WriteObject(const wxObject *object, const wxClassInfo *classInfo
}
}
void wxWriter::FindConnectEntry(const wxWindow * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler)
void wxWriter::FindConnectEntry(const wxEvtHandler * evSource,const wxDelegateTypeInfo* dti, const wxObject* &sink , const wxHandlerInfo *&handler)
{
wxList *dynamicEvents = evSource->GetDynamicEventTable() ;
@ -124,13 +120,10 @@ void wxWriter::FindConnectEntry(const wxWindow * evSource,const wxDelegateTypeIn
wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
// find the match
if ( entry->m_fn && (dti->GetEventType() == entry->m_eventType) &&
(entry->m_id == -1 ||
(entry->m_lastId == -1 && evSource->GetId() == entry->m_id) ||
(entry->m_lastId != -1 &&
(evSource->GetId() >= entry->m_id && evSource->GetId() <= entry->m_lastId) ) ) &&
entry->m_eventSink
)
if ( entry->m_fn &&
(dti->GetEventType() == entry->m_eventType) &&
(entry->m_id == -1 ) &&
(entry->m_eventSink != NULL ) )
{
sink = entry->m_eventSink ;
const wxClassInfo* sinkClassInfo = sink->GetClassInfo() ;
@ -182,8 +175,11 @@ void wxWriter::WriteAllProperties( const wxObject * obj , const wxClassInfo* ci
}
}
void wxWriter::WriteOneProperty( const wxObject *obj , const wxClassInfo* ci , const wxPropertyInfo* pi , wxPersister *persister , wxWriterInternalPropertiesData *data )
void wxWriter::WriteOneProperty( const wxObject *obj , const wxClassInfo* ci , const wxPropertyInfo* pi , wxPersister *persister , wxWriterInternalPropertiesData *WXUNUSED(data) )
{
if ( pi->GetFlags() & wxPROP_DONT_STREAM )
return ;
// make sure that we are picking the correct object for accessing the property
const wxDynamicObject* dynobj = dynamic_cast< const wxDynamicObject* > (obj ) ;
if ( dynobj && (dynamic_cast<const wxDynamicClassInfo*>(ci) == NULL) )
@ -225,8 +221,8 @@ void wxWriter::WriteOneProperty( const wxObject *obj , const wxClassInfo* ci , c
const wxObject* sink = NULL ;
const wxHandlerInfo *handler = NULL ;
const wxWindow * evSource = dynamic_cast<const wxWindow *>(obj) ;
wxASSERT_MSG( evSource , wxT("Illegal Object Class (Non-Window) as Event Source") ) ;
const wxEvtHandler * evSource = dynamic_cast<const wxEvtHandler *>(obj) ;
wxASSERT_MSG( evSource , wxT("Illegal Object Class (Non-wxEvtHandler) as Event Source") ) ;
FindConnectEntry( evSource , dti , sink , handler ) ;
if ( persister->BeforeWriteDelegate( this , obj , ci , pi , sink , handler ) )
@ -281,152 +277,6 @@ bool wxWriter::IsObjectKnown( const wxObject *obj )
return m_data->m_writtenObjects.find( obj ) != m_data->m_writtenObjects.end() ;
}
//
// XML Streaming
//
// convenience functions
void wxXmlAddContentToNode( wxXmlNode* node , const wxString& data )
{
node->AddChild(new wxXmlNode(wxXML_TEXT_NODE, "value", data ) );
}
wxString wxXmlGetContentFromNode( wxXmlNode *node )
{
if ( node->GetChildren() )
return node->GetChildren()->GetContent() ;
else
return wxEmptyString ;
}
struct wxXmlWriter::wxXmlWriterInternal
{
wxXmlNode *m_root ;
wxXmlNode *m_current ;
vector< wxXmlNode * > m_objectStack ;
void Push( wxXmlNode *newCurrent )
{
m_objectStack.push_back( m_current ) ;
m_current = newCurrent ;
}
void Pop()
{
m_current = m_objectStack.back() ;
m_objectStack.pop_back() ;
}
} ;
wxXmlWriter::wxXmlWriter( wxXmlNode * rootnode )
{
m_data = new wxXmlWriterInternal() ;
m_data->m_root = rootnode ;
m_data->m_current = rootnode ;
}
wxXmlWriter::~wxXmlWriter()
{
delete m_data ;
}
void wxXmlWriter::DoBeginWriteTopLevelEntry( const wxString &name )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("entry"));
pnode->AddProperty(wxString("name"), name);
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
void wxXmlWriter::DoEndWriteTopLevelEntry( const wxString &WXUNUSED(name) )
{
m_data->Pop() ;
}
void wxXmlWriter::DoBeginWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
pnode->AddProperty(wxT("class"), wxString(classInfo->GetClassName()));
pnode->AddProperty(wxT("id"), wxString::Format( "%d" , objectID ) );
for ( size_t i = 0 ; i < metadata.GetCount() ; ++i )
{
pnode->AddProperty( metadata[i].GetName() , metadata[i].GetAsString() ) ;
}
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
// end of writing the root object
void wxXmlWriter::DoEndWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *WXUNUSED(classInfo), int WXUNUSED(objectID) )
{
m_data->Pop() ;
}
// writes a property in the stream format
void wxXmlWriter::DoWriteSimpleType( wxxVariant &value )
{
wxXmlAddContentToNode( m_data->m_current ,value.GetAsString() ) ;
}
void wxXmlWriter::DoBeginWriteElement()
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "element" );
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
void wxXmlWriter::DoEndWriteElement()
{
m_data->Pop() ;
}
void wxXmlWriter::DoBeginWriteProperty(const wxPropertyInfo *pi )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "prop" );
pnode->AddProperty(wxT("name"), pi->GetName() );
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
void wxXmlWriter::DoEndWriteProperty(const wxPropertyInfo *WXUNUSED(propInfo) )
{
m_data->Pop() ;
}
// insert an object reference to an already written object
void wxXmlWriter::DoWriteRepeatedObject( int objectID )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
pnode->AddProperty(wxString("href"), wxString::Format( "%d" , objectID ) );
m_data->m_current->AddChild(pnode) ;
}
// insert a null reference
void wxXmlWriter::DoWriteNullObject()
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
m_data->m_current->AddChild(pnode) ;
}
// writes a delegate in the stream format
void wxXmlWriter::DoWriteDelegate( const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(pi) ,
const wxObject *eventSink, int sinkObjectID , const wxClassInfo* WXUNUSED(eventSinkClassInfo) , const wxHandlerInfo* handlerInfo )
{
if ( eventSink != NULL && handlerInfo != NULL )
{
wxXmlAddContentToNode( m_data->m_current ,wxString::Format(wxT("%d.%s"), sinkObjectID , handlerInfo->GetName()) ) ;
}
}
// ----------------------------------------------------------------------------
// reading objects in
@ -475,252 +325,6 @@ as properties are always sought by typeinfo over all levels
and create params are always toplevel class only
*/
int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks)
{
wxASSERT_MSG( callbacks , wxT("Does not support reading without a Depersistor") ) ;
wxString className;
wxClassInfo *classInfo;
wxxVariant *createParams ;
int *createParamOids ;
const wxClassInfo** createClassInfos ;
wxXmlNode *children;
int objectID;
wxString ObjectIdString ;
children = node->GetChildren();
if (!children)
{
// check for a null object or href
if (node->GetPropVal("href" , &ObjectIdString ) )
{
objectID = atoi( ObjectIdString.c_str() ) ;
wxASSERT_MSG( HasObjectClassInfo( objectID ) , wxT("Forward hrefs are not supported") ) ;
return objectID ;
}
if ( !node->GetPropVal("id" , &ObjectIdString ) )
{
return wxNullObjectID;
}
}
if (!node->GetPropVal("class", &className))
{
// No class name. Eek. FIXME: error handling
return wxInvalidObjectID;
}
classInfo = wxClassInfo::FindClass(className);
wxASSERT_MSG( classInfo , wxString::Format(wxT("unknown class %s"),className ) ) ;
wxASSERT_MSG( !children || children->GetType() != wxXML_TEXT_NODE , wxT("objects cannot have XML Text Nodes") ) ;
if (!node->GetPropVal("id", &ObjectIdString))
{
wxASSERT_MSG(0,wxT("Objects must have an id attribute") ) ;
// No object id. Eek. FIXME: error handling
return wxInvalidObjectID;
}
objectID = atoi( ObjectIdString.c_str() ) ;
// is this object already has been streamed in, return it here
wxASSERT_MSG( !HasObjectClassInfo( objectID ) , wxString::Format(wxT("Doubly used id : %d"), objectID ) ) ;
// new object, start with allocation
// first make the object know to our internal registry
SetObjectClassInfo( objectID , classInfo ) ;
wxxVariantArray metadata ;
wxXmlProperty *xp = node->GetProperties() ;
while ( xp )
{
if ( xp->GetName() != wxString("class") && xp->GetName() != wxString("id") )
{
metadata.Add( new wxxVariant( xp->GetValue() , xp->GetName() ) ) ;
}
xp = xp->GetNext() ;
}
callbacks->AllocateObject(objectID, classInfo, metadata);
//
// stream back the Create parameters first
createParams = new wxxVariant[ classInfo->GetCreateParamCount() ] ;
createParamOids = new int[classInfo->GetCreateParamCount() ] ;
createClassInfos = new const wxClassInfo*[classInfo->GetCreateParamCount() ] ;
typedef map<string, wxXmlNode *> PropertyNodes ;
typedef vector<string> PropertyNames ;
PropertyNodes propertyNodes ;
PropertyNames propertyNames ;
while( children )
{
wxString name ;
children->GetPropVal( wxT("name") , &name ) ;
propertyNames.push_back( name.c_str() ) ;
propertyNodes[name.c_str()] = children->GetChildren() ;
children = children->GetNext() ;
}
for ( int i = 0 ; i <classInfo->GetCreateParamCount() ; ++i )
{
const wxChar* paramName = classInfo->GetCreateParamName(i) ;
PropertyNodes::iterator propiter = propertyNodes.find( paramName ) ;
const wxPropertyInfo* pi = classInfo->FindPropertyInfo( paramName ) ;
wxASSERT_MSG(pi,wxString::Format("Unkown Property %s",paramName) ) ;
// if we don't have the value of a create param set in the xml
// we use the default value
if ( propiter != propertyNodes.end() )
{
wxXmlNode* prop = propiter->second ;
if ( pi->GetTypeInfo()->IsObjectType() )
{
createParamOids[i] = ReadComponent( prop , callbacks ) ;
createClassInfos[i] = dynamic_cast<const wxClassTypeInfo*>(pi->GetTypeInfo())->GetClassInfo() ;
}
else
{
createParamOids[i] = wxInvalidObjectID ;
createParams[i] = ReadValue( prop , pi->GetTypeInfo() ) ;
if( pi->GetFlags() & wxPROP_ENUM_STORE_LONG )
{
const wxEnumTypeInfo *eti = dynamic_cast<const wxEnumTypeInfo*>( pi->GetTypeInfo() ) ;
wxASSERT_MSG( eti , wxT("Type must have enum - long conversion") ) ;
long realval ;
eti->ConvertToLong( createParams[i] , realval ) ;
createParams[i] = wxxVariant( realval ) ;
}
createClassInfos[i] = NULL ;
}
for ( size_t j = 0 ; j < propertyNames.size() ; ++j )
{
if ( propertyNames[j] == paramName )
{
propertyNames[j] = "" ;
break ;
}
}
}
else
{
createParams[i] = pi->GetDefaultValue() ;
}
}
// got the parameters. Call the Create method
callbacks->CreateObject(objectID, classInfo,
classInfo->GetCreateParamCount(),
createParams, createParamOids, createClassInfos, metadata );
// now stream in the rest of the properties, in the sequence their properties were written in the xml
for ( size_t j = 0 ; j < propertyNames.size() ; ++j )
{
if ( propertyNames[j].length() )
{
PropertyNodes::iterator propiter = propertyNodes.find( propertyNames[j] ) ;
if ( propiter != propertyNodes.end() )
{
wxXmlNode* prop = propiter->second ;
const wxPropertyInfo* pi = classInfo->FindPropertyInfo( propertyNames[j].c_str() ) ;
if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
{
const wxCollectionTypeInfo* collType = dynamic_cast< const wxCollectionTypeInfo* >( pi->GetTypeInfo() ) ;
const wxTypeInfo * elementType = collType->GetElementType() ;
while( prop )
{
wxASSERT_MSG(prop->GetName() == wxT("element") , wxT("A non empty collection must consist of 'element' nodes")) ;
wxXmlNode* elementContent = prop->GetChildren() ;
if ( elementContent )
{
// we skip empty elements
if ( elementType->IsObjectType() )
{
int valueId = ReadComponent( elementContent , callbacks ) ;
if ( valueId != wxInvalidObjectID )
{
if ( pi->GetAccessor()->HasAdder() )
callbacks->AddToPropertyCollectionAsObject( objectID , classInfo , pi , valueId ) ;
// TODO for collections we must have a notation on taking over ownership or not
if ( elementType->GetKind() == wxT_OBJECT && valueId != wxNullObjectID )
callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ;
}
}
else
{
wxxVariant elementValue = ReadValue( elementContent , elementType ) ;
if ( pi->GetAccessor()->HasAdder() )
callbacks->AddToPropertyCollection( objectID , classInfo ,pi , elementValue ) ;
}
}
prop = prop->GetNext() ;
}
}
else if ( pi->GetTypeInfo()->IsObjectType() )
{
int valueId = ReadComponent( prop , callbacks ) ;
if ( valueId != wxInvalidObjectID )
{
callbacks->SetPropertyAsObject( objectID , classInfo , pi , valueId ) ;
if ( pi->GetTypeInfo()->GetKind() == wxT_OBJECT && valueId != wxNullObjectID )
callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ;
}
}
else if ( pi->GetTypeInfo()->IsDelegateType() )
{
if ( prop )
{
wxString resstring = prop->GetContent() ;
wxInt32 pos = resstring.Find('.') ;
assert( pos != wxNOT_FOUND ) ;
int sinkOid = atol(resstring.Left(pos)) ;
wxString handlerName = resstring.Mid(pos+1) ;
wxClassInfo* sinkClassInfo = GetObjectClassInfo( sinkOid ) ;
callbacks->SetConnect( objectID , classInfo , dynamic_cast<const wxDelegateTypeInfo*>(pi->GetTypeInfo()) , sinkClassInfo ,
sinkClassInfo->FindHandlerInfo(handlerName) , sinkOid ) ;
}
}
else
{
wxxVariant nodeval ;
callbacks->SetProperty( objectID, classInfo ,pi , ReadValue( prop , pi->GetTypeInfo() ) ) ;
}
}
}
}
delete[] createParams ;
delete[] createParamOids ;
delete[] createClassInfos ;
return objectID;
}
wxxVariant wxXmlReader::ReadValue(wxXmlNode *node,
const wxTypeInfo *type )
{
wxString content ;
if ( node )
content = node->GetContent() ;
wxxVariant result ;
type->ConvertFromString( content , result ) ;
return result ;
}
int wxXmlReader::ReadObject( const wxString &name , wxDepersister *callbacks)
{
wxXmlNode *iter = m_parent->GetChildren() ;
while ( iter )
{
wxString entryName ;
if ( iter->GetPropVal("name", &entryName) )
{
if ( entryName == name )
return ReadComponent( iter->GetChildren() , callbacks ) ;
}
iter = iter->GetNext() ;
}
return wxInvalidObjectID ;
}
// ----------------------------------------------------------------------------
// depersisting to memory
@ -756,7 +360,7 @@ wxRuntimeDepersister::~wxRuntimeDepersister()
}
void wxRuntimeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo ,
wxxVariantArray &metadata)
wxxVariantArray &WXUNUSED(metadata))
{
wxObject *O;
O = classInfo->CreateObject();
@ -769,7 +373,7 @@ void wxRuntimeDepersister::CreateObject(int objectID,
wxxVariant *params,
int *objectIdValues,
const wxClassInfo **objectClassInfos ,
wxxVariantArray &metadata)
wxxVariantArray &WXUNUSED(metadata))
{
wxObject *o;
o = m_data->GetObject(objectID);
@ -836,12 +440,12 @@ void wxRuntimeDepersister::SetConnect(int eventSourceObjectID,
const wxHandlerInfo* handlerInfo ,
int eventSinkObjectID )
{
wxWindow *ehsource = dynamic_cast< wxWindow* >( m_data->GetObject( eventSourceObjectID ) ) ;
wxEvtHandler *ehsource = dynamic_cast< wxEvtHandler* >( m_data->GetObject( eventSourceObjectID ) ) ;
wxEvtHandler *ehsink = dynamic_cast< wxEvtHandler *>(m_data->GetObject(eventSinkObjectID) ) ;
if ( ehsource && ehsink )
{
ehsource->Connect( ehsource->GetId() , delegateInfo->GetEventType() ,
ehsource->Connect( -1 , delegateInfo->GetEventType() ,
handlerInfo->GetEventFunction() , NULL /*user data*/ ,
ehsink ) ;
}
@ -920,7 +524,7 @@ wxCodeDepersister::~wxCodeDepersister()
}
void wxCodeDepersister::AllocateObject(int objectID, wxClassInfo *classInfo ,
wxxVariantArray &metadata)
wxxVariantArray &WXUNUSED(metadata))
{
wxString objectName = wxString::Format( "LocalObject_%d" , objectID ) ;
m_fp->WriteString( wxString::Format( "\t%s *%s = new %s;\n",
@ -963,7 +567,7 @@ void wxCodeDepersister::CreateObject(int objectID,
wxxVariant *params,
int *objectIDValues,
const wxClassInfo **WXUNUSED(objectClassInfos) ,
wxxVariantArray &metadata
wxxVariantArray &WXUNUSED(metadata)
)
{
int i;
@ -1011,7 +615,7 @@ void wxCodeDepersister::SetPropertyAsObject(int objectID,
}
void wxCodeDepersister::AddToPropertyCollection( int objectID ,
const wxClassInfo *classInfo,
const wxClassInfo *WXUNUSED(classInfo),
const wxPropertyInfo* propertyInfo ,
const wxxVariant &value)
{
@ -1022,10 +626,10 @@ void wxCodeDepersister::AddToPropertyCollection( int objectID ,
}
// sets the corresponding property (value is an object)
void wxCodeDepersister::AddToPropertyCollectionAsObject(int objectID,
const wxClassInfo *classInfo,
const wxPropertyInfo* propertyInfo ,
int valueObjectId)
void wxCodeDepersister::AddToPropertyCollectionAsObject(int WXUNUSED(objectID),
const wxClassInfo *WXUNUSED(classInfo),
const wxPropertyInfo* WXUNUSED(propertyInfo) ,
int WXUNUSED(valueObjectId))
{
// TODO
}

455
src/common/xtixml.cpp Normal file
View File

@ -0,0 +1,455 @@
/////////////////////////////////////////////////////////////////////////////
// Name: src/common/xtistrm.cpp
// Purpose: streaming runtime metadata information
// Author: Stefan Csomor
// Modified by:
// Created: 27/07/03
// RCS-ID: $Id$
// Copyright: (c) 2003 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "xtistrm.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/hash.h"
#include "wx/object.h"
#endif
#include "wx/xml/xml.h"
#include "wx/tokenzr.h"
#include "wx/xtistrm.h"
#include "wx/xtixml.h"
#include "wx/txtstrm.h"
#include "wx/event.h"
#if wxUSE_EXTENDED_RTTI
#include "wx/beforestd.h"
#include <map>
#include <vector>
#include <string>
#include "wx/afterstd.h"
using namespace std ;
//
// XML Streaming
//
// convenience functions
void wxXmlAddContentToNode( wxXmlNode* node , const wxString& data )
{
node->AddChild(new wxXmlNode(wxXML_TEXT_NODE, "value", data ) );
}
wxString wxXmlGetContentFromNode( wxXmlNode *node )
{
if ( node->GetChildren() )
return node->GetChildren()->GetContent() ;
else
return wxEmptyString ;
}
struct wxXmlWriter::wxXmlWriterInternal
{
wxXmlNode *m_root ;
wxXmlNode *m_current ;
vector< wxXmlNode * > m_objectStack ;
void Push( wxXmlNode *newCurrent )
{
m_objectStack.push_back( m_current ) ;
m_current = newCurrent ;
}
void Pop()
{
m_current = m_objectStack.back() ;
m_objectStack.pop_back() ;
}
} ;
wxXmlWriter::wxXmlWriter( wxXmlNode * rootnode )
{
m_data = new wxXmlWriterInternal() ;
m_data->m_root = rootnode ;
m_data->m_current = rootnode ;
}
wxXmlWriter::~wxXmlWriter()
{
delete m_data ;
}
void wxXmlWriter::DoBeginWriteTopLevelEntry( const wxString &name )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("entry"));
pnode->AddProperty(wxString("name"), name);
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
void wxXmlWriter::DoEndWriteTopLevelEntry( const wxString &WXUNUSED(name) )
{
m_data->Pop() ;
}
void wxXmlWriter::DoBeginWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *classInfo, int objectID , wxxVariantArray &metadata )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
pnode->AddProperty(wxT("class"), wxString(classInfo->GetClassName()));
pnode->AddProperty(wxT("id"), wxString::Format( "%d" , objectID ) );
for ( size_t i = 0 ; i < metadata.GetCount() ; ++i )
{
pnode->AddProperty( metadata[i].GetName() , metadata[i].GetAsString() ) ;
}
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
// end of writing the root object
void wxXmlWriter::DoEndWriteObject(const wxObject *WXUNUSED(object), const wxClassInfo *WXUNUSED(classInfo), int WXUNUSED(objectID) )
{
m_data->Pop() ;
}
// writes a property in the stream format
void wxXmlWriter::DoWriteSimpleType( wxxVariant &value )
{
wxXmlAddContentToNode( m_data->m_current ,value.GetAsString() ) ;
}
void wxXmlWriter::DoBeginWriteElement()
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "element" );
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
void wxXmlWriter::DoEndWriteElement()
{
m_data->Pop() ;
}
void wxXmlWriter::DoBeginWriteProperty(const wxPropertyInfo *pi )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, "prop" );
pnode->AddProperty(wxT("name"), pi->GetName() );
m_data->m_current->AddChild(pnode) ;
m_data->Push( pnode ) ;
}
void wxXmlWriter::DoEndWriteProperty(const wxPropertyInfo *WXUNUSED(propInfo) )
{
m_data->Pop() ;
}
// insert an object reference to an already written object
void wxXmlWriter::DoWriteRepeatedObject( int objectID )
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
pnode->AddProperty(wxString("href"), wxString::Format( "%d" , objectID ) );
m_data->m_current->AddChild(pnode) ;
}
// insert a null reference
void wxXmlWriter::DoWriteNullObject()
{
wxXmlNode *pnode;
pnode = new wxXmlNode(wxXML_ELEMENT_NODE, wxT("object"));
m_data->m_current->AddChild(pnode) ;
}
// writes a delegate in the stream format
void wxXmlWriter::DoWriteDelegate( const wxObject *WXUNUSED(object), const wxClassInfo* WXUNUSED(classInfo) , const wxPropertyInfo *WXUNUSED(pi) ,
const wxObject *eventSink, int sinkObjectID , const wxClassInfo* WXUNUSED(eventSinkClassInfo) , const wxHandlerInfo* handlerInfo )
{
if ( eventSink != NULL && handlerInfo != NULL )
{
wxXmlAddContentToNode( m_data->m_current ,wxString::Format(wxT("%d.%s"), sinkObjectID , handlerInfo->GetName()) ) ;
}
}
// ----------------------------------------------------------------------------
// reading objects in
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// reading xml in
// ----------------------------------------------------------------------------
/*
Reading components has not to be extended for components
as properties are always sought by typeinfo over all levels
and create params are always toplevel class only
*/
int wxXmlReader::ReadComponent(wxXmlNode *node, wxDepersister *callbacks)
{
wxASSERT_MSG( callbacks , wxT("Does not support reading without a Depersistor") ) ;
wxString className;
wxClassInfo *classInfo;
wxxVariant *createParams ;
int *createParamOids ;
const wxClassInfo** createClassInfos ;
wxXmlNode *children;
int objectID;
wxString ObjectIdString ;
children = node->GetChildren();
if (!children)
{
// check for a null object or href
if (node->GetPropVal("href" , &ObjectIdString ) )
{
objectID = atoi( ObjectIdString.c_str() ) ;
wxASSERT_MSG( HasObjectClassInfo( objectID ) , wxT("Forward hrefs are not supported") ) ;
return objectID ;
}
if ( !node->GetPropVal("id" , &ObjectIdString ) )
{
return wxNullObjectID;
}
}
if (!node->GetPropVal("class", &className))
{
// No class name. Eek. FIXME: error handling
return wxInvalidObjectID;
}
classInfo = wxClassInfo::FindClass(className);
wxASSERT_MSG( classInfo , wxString::Format(wxT("unknown class %s"),className ) ) ;
wxASSERT_MSG( !children || children->GetType() != wxXML_TEXT_NODE , wxT("objects cannot have XML Text Nodes") ) ;
if (!node->GetPropVal("id", &ObjectIdString))
{
wxASSERT_MSG(0,wxT("Objects must have an id attribute") ) ;
// No object id. Eek. FIXME: error handling
return wxInvalidObjectID;
}
objectID = atoi( ObjectIdString.c_str() ) ;
// is this object already has been streamed in, return it here
wxASSERT_MSG( !HasObjectClassInfo( objectID ) , wxString::Format(wxT("Doubly used id : %d"), objectID ) ) ;
// new object, start with allocation
// first make the object know to our internal registry
SetObjectClassInfo( objectID , classInfo ) ;
wxxVariantArray metadata ;
wxXmlProperty *xp = node->GetProperties() ;
while ( xp )
{
if ( xp->GetName() != wxString("class") && xp->GetName() != wxString("id") )
{
metadata.Add( new wxxVariant( xp->GetValue() , xp->GetName() ) ) ;
}
xp = xp->GetNext() ;
}
callbacks->AllocateObject(objectID, classInfo, metadata);
//
// stream back the Create parameters first
createParams = new wxxVariant[ classInfo->GetCreateParamCount() ] ;
createParamOids = new int[classInfo->GetCreateParamCount() ] ;
createClassInfos = new const wxClassInfo*[classInfo->GetCreateParamCount() ] ;
typedef map<string, wxXmlNode *> PropertyNodes ;
typedef vector<string> PropertyNames ;
PropertyNodes propertyNodes ;
PropertyNames propertyNames ;
while( children )
{
wxString name ;
children->GetPropVal( wxT("name") , &name ) ;
propertyNames.push_back( name.c_str() ) ;
propertyNodes[name.c_str()] = children->GetChildren() ;
children = children->GetNext() ;
}
for ( int i = 0 ; i <classInfo->GetCreateParamCount() ; ++i )
{
const wxChar* paramName = classInfo->GetCreateParamName(i) ;
PropertyNodes::iterator propiter = propertyNodes.find( paramName ) ;
const wxPropertyInfo* pi = classInfo->FindPropertyInfo( paramName ) ;
wxASSERT_MSG(pi,wxString::Format("Unkown Property %s",paramName) ) ;
// if we don't have the value of a create param set in the xml
// we use the default value
if ( propiter != propertyNodes.end() )
{
wxXmlNode* prop = propiter->second ;
if ( pi->GetTypeInfo()->IsObjectType() )
{
createParamOids[i] = ReadComponent( prop , callbacks ) ;
createClassInfos[i] = dynamic_cast<const wxClassTypeInfo*>(pi->GetTypeInfo())->GetClassInfo() ;
}
else
{
createParamOids[i] = wxInvalidObjectID ;
createParams[i] = ReadValue( prop , pi->GetTypeInfo() ) ;
if( pi->GetFlags() & wxPROP_ENUM_STORE_LONG )
{
const wxEnumTypeInfo *eti = dynamic_cast<const wxEnumTypeInfo*>( pi->GetTypeInfo() ) ;
wxASSERT_MSG( eti , wxT("Type must have enum - long conversion") ) ;
long realval ;
eti->ConvertToLong( createParams[i] , realval ) ;
createParams[i] = wxxVariant( realval ) ;
}
createClassInfos[i] = NULL ;
}
for ( size_t j = 0 ; j < propertyNames.size() ; ++j )
{
if ( propertyNames[j] == paramName )
{
propertyNames[j] = "" ;
break ;
}
}
}
else
{
createParams[i] = pi->GetDefaultValue() ;
}
}
// got the parameters. Call the Create method
callbacks->CreateObject(objectID, classInfo,
classInfo->GetCreateParamCount(),
createParams, createParamOids, createClassInfos, metadata );
// now stream in the rest of the properties, in the sequence their properties were written in the xml
for ( size_t j = 0 ; j < propertyNames.size() ; ++j )
{
if ( propertyNames[j].length() )
{
PropertyNodes::iterator propiter = propertyNodes.find( propertyNames[j] ) ;
if ( propiter != propertyNodes.end() )
{
wxXmlNode* prop = propiter->second ;
const wxPropertyInfo* pi = classInfo->FindPropertyInfo( propertyNames[j].c_str() ) ;
if ( pi->GetTypeInfo()->GetKind() == wxT_COLLECTION )
{
const wxCollectionTypeInfo* collType = dynamic_cast< const wxCollectionTypeInfo* >( pi->GetTypeInfo() ) ;
const wxTypeInfo * elementType = collType->GetElementType() ;
while( prop )
{
wxASSERT_MSG(prop->GetName() == wxT("element") , wxT("A non empty collection must consist of 'element' nodes")) ;
wxXmlNode* elementContent = prop->GetChildren() ;
if ( elementContent )
{
// we skip empty elements
if ( elementType->IsObjectType() )
{
int valueId = ReadComponent( elementContent , callbacks ) ;
if ( valueId != wxInvalidObjectID )
{
if ( pi->GetAccessor()->HasAdder() )
callbacks->AddToPropertyCollectionAsObject( objectID , classInfo , pi , valueId ) ;
// TODO for collections we must have a notation on taking over ownership or not
if ( elementType->GetKind() == wxT_OBJECT && valueId != wxNullObjectID )
callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ;
}
}
else
{
wxxVariant elementValue = ReadValue( elementContent , elementType ) ;
if ( pi->GetAccessor()->HasAdder() )
callbacks->AddToPropertyCollection( objectID , classInfo ,pi , elementValue ) ;
}
}
prop = prop->GetNext() ;
}
}
else if ( pi->GetTypeInfo()->IsObjectType() )
{
int valueId = ReadComponent( prop , callbacks ) ;
if ( valueId != wxInvalidObjectID )
{
callbacks->SetPropertyAsObject( objectID , classInfo , pi , valueId ) ;
if ( pi->GetTypeInfo()->GetKind() == wxT_OBJECT && valueId != wxNullObjectID )
callbacks->DestroyObject( valueId , GetObjectClassInfo( valueId ) ) ;
}
}
else if ( pi->GetTypeInfo()->IsDelegateType() )
{
if ( prop )
{
wxString resstring = prop->GetContent() ;
wxInt32 pos = resstring.Find('.') ;
assert( pos != wxNOT_FOUND ) ;
int sinkOid = atol(resstring.Left(pos)) ;
wxString handlerName = resstring.Mid(pos+1) ;
wxClassInfo* sinkClassInfo = GetObjectClassInfo( sinkOid ) ;
callbacks->SetConnect( objectID , classInfo , dynamic_cast<const wxDelegateTypeInfo*>(pi->GetTypeInfo()) , sinkClassInfo ,
sinkClassInfo->FindHandlerInfo(handlerName) , sinkOid ) ;
}
}
else
{
wxxVariant nodeval ;
callbacks->SetProperty( objectID, classInfo ,pi , ReadValue( prop , pi->GetTypeInfo() ) ) ;
}
}
}
}
delete[] createParams ;
delete[] createParamOids ;
delete[] createClassInfos ;
return objectID;
}
wxxVariant wxXmlReader::ReadValue(wxXmlNode *node,
const wxTypeInfo *type )
{
wxString content ;
if ( node )
content = node->GetContent() ;
wxxVariant result ;
type->ConvertFromString( content , result ) ;
return result ;
}
int wxXmlReader::ReadObject( const wxString &name , wxDepersister *callbacks)
{
wxXmlNode *iter = m_parent->GetChildren() ;
while ( iter )
{
wxString entryName ;
if ( iter->GetPropVal("name", &entryName) )
{
if ( entryName == name )
return ReadComponent( iter->GetChildren() , callbacks ) ;
}
iter = iter->GetNext() ;
}
return wxInvalidObjectID ;
}
#endif