xti.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name:        src/common/xti.cpp
// Purpose:     runtime metadata information (extended class info
// Author:      Stefan Csomor
// Modified by:
// Created:     27/07/03
// RCS-ID:      $Id: xti.cpp,v 1.38 2005/02/02 13:57:02 ABX Exp $
// Copyright:   (c) 1997 Julian Smart
//              (c) 2003 Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "xti.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

#if wxUSE_EXTENDED_RTTI

#include "wx/xti.h"
#include "wx/xml/xml.h"
#include "wx/tokenzr.h"
#include "wx/list.h"
#include <string.h>

#include "wx/beforestd.h"
#include <map>
#include <string>
#include <list>
#include "wx/afterstd.h"

using namespace std ;

// ----------------------------------------------------------------------------
// Enum Support
// ----------------------------------------------------------------------------

wxEnumData::wxEnumData( wxEnumMemberData* data )
{
    m_members = data ;
    for ( m_count = 0; m_members[m_count].m_name ; m_count++)
    {} ;
}

bool wxEnumData::HasEnumMemberValue(const wxChar *name, int *value) const
{
    int i;
    for (i = 0; m_members[i].m_name ; i++ )
    {
        if (!wxStrcmp(name, m_members[i].m_name))
        {
            if ( value )
                *value = m_members[i].m_value;
            return true ;
        }
    }
    return false ;
}

int wxEnumData::GetEnumMemberValue(const wxChar *name) const
{
    int i;
    for (i = 0; m_members[i].m_name ; i++ )
    {
        if (!wxStrcmp(name, m_members[i].m_name))
        {
            return m_members[i].m_value;
        }
    }
    return 0 ;
}

const wxChar *wxEnumData::GetEnumMemberName(int value) const
{
    int i;
    for (i = 0; m_members[i].m_name ; i++)
        if (value == m_members[i].m_value)
            return m_members[i].m_name;

    return wxEmptyString ;
}

int wxEnumData::GetEnumMemberValueByIndex( int idx ) const
{
    // we should cache the count in order to avoid out-of-bounds errors
    return m_members[idx].m_value ;
}

const wxChar * wxEnumData::GetEnumMemberNameByIndex( int idx ) const
{
    // we should cache the count in order to avoid out-of-bounds errors
    return m_members[idx].m_name ;
}

// ----------------------------------------------------------------------------
// Type Information
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// value streaming
// ----------------------------------------------------------------------------

// streamer specializations
// for all built-in types

// bool

template<> void wxStringReadValue(const wxString &s , bool &data )
{
    int intdata ;
    wxSscanf(s, _T("%d"), &intdata ) ;
    data = (bool)intdata ;
}

template<> void wxStringWriteValue(wxString &s , const bool &data )
{
    s = wxString::Format(_T("%d"), data ) ;
}

// char

template<> void wxStringReadValue(const wxString &s , char &data )
{
    int intdata ;
    wxSscanf(s, _T("%d"), &intdata ) ;
    data = char(intdata) ;
}

template<> void wxStringWriteValue(wxString &s , const char &data )
{
    s = wxString::Format(_T("%d"), data ) ;
}

// unsigned char

template<> void wxStringReadValue(const wxString &s , unsigned char &data )
{
    int intdata ;
    wxSscanf(s, _T("%d"), &intdata ) ;
    data = (unsigned char)(intdata) ;
}

template<> void wxStringWriteValue(wxString &s , const unsigned char &data )
{
    s = wxString::Format(_T("%d"), data ) ;
}

// int

template<> void wxStringReadValue(const wxString &s , int &data )
{
    wxSscanf(s, _T("%d"), &data ) ;
}

template<> void wxStringWriteValue(wxString &s , const int &data )
{
    s = wxString::Format(_T("%d"), data ) ;
}

// unsigned int

template<> void wxStringReadValue(const wxString &s , unsigned int &data )
{
    wxSscanf(s, _T("%d"), &data ) ;
}

template<> void wxStringWriteValue(wxString &s , const unsigned int &data )
{
    s = wxString::Format(_T("%d"), data ) ;
}

// long

template<> void wxStringReadValue(const wxString &s , long &data )
{
    wxSscanf(s, _T("%ld"), &data ) ;
}

template<> void wxStringWriteValue(wxString &s , const long &data )
{
    s = wxString::Format(_T("%ld"), data ) ;
}

// unsigned long

template<> void wxStringReadValue(const wxString &s , unsigned long &data )
{
    wxSscanf(s, _T("%ld"), &data ) ;
}

template<> void wxStringWriteValue(wxString &s , const unsigned long &data )
{
    s = wxString::Format(_T("%ld"), data ) ;
}

// float

template<> void wxStringReadValue(const wxString &s , float &data )
{
    wxSscanf(s, _T("%f"), &data ) ;
}

template<> void wxStringWriteValue(wxString &s , const float &data )
{
    s = wxString::Format(_T("%f"), data ) ;
}

// double

template<> void wxStringReadValue(const wxString &s , double &data )
{
    wxSscanf(s, _T("%lf"), &data ) ;
}

template<> void wxStringWriteValue(wxString &s , const double &data )
{
    s = wxString::Format(_T("%lf"), data ) ;
}

// wxString

template<> void wxStringReadValue(const wxString &s , wxString &data )
{
    data = s ;
}

template<> void wxStringWriteValue(wxString &s , const wxString &data )
{
    s = data ;
}

// built-ins
//

#if wxUSE_FUNC_TEMPLATE_POINTER
#define wxBUILTIN_TYPE_INFO( element , type ) \
    wxBuiltInTypeInfo s_typeInfo##type(element , &wxToStringConverter<type> , &wxFromStringConverter<type> , typeid(type).name()) ;
#else
#define wxBUILTIN_TYPE_INFO( element , type ) \
    void _toString##element( const wxxVariant& data , wxString &result ) { wxToStringConverter<type>(data, result); } \
    void _fromString##element( const wxString& data , wxxVariant &result ) { wxFromStringConverter<type>(data, result); } \
    wxBuiltInTypeInfo s_typeInfo##type(element , &_toString##element , &_fromString##element , typeid(type).name()) ;
#endif

typedef unsigned char unsigned_char;
typedef unsigned int unsigned_int;
typedef unsigned long unsigned_long;

wxBuiltInTypeInfo s_typeInfovoid( wxT_VOID , NULL , NULL , typeid(void).name());
wxBUILTIN_TYPE_INFO( wxT_BOOL ,  bool);
wxBUILTIN_TYPE_INFO( wxT_CHAR ,  char);
wxBUILTIN_TYPE_INFO( wxT_UCHAR , unsigned_char);
wxBUILTIN_TYPE_INFO( wxT_INT , int);
wxBUILTIN_TYPE_INFO( wxT_UINT , unsigned_int);
wxBUILTIN_TYPE_INFO( wxT_LONG , long);
wxBUILTIN_TYPE_INFO( wxT_ULONG , unsigned_long);
wxBUILTIN_TYPE_INFO( wxT_FLOAT , float);
wxBUILTIN_TYPE_INFO( wxT_DOUBLE , double);
wxBUILTIN_TYPE_INFO( wxT_STRING , wxString);


// this are compiler induced specialization which are never used anywhere

wxILLEGAL_TYPE_SPECIALIZATION( char const * )
wxILLEGAL_TYPE_SPECIALIZATION( char * )
wxILLEGAL_TYPE_SPECIALIZATION( unsigned char * )
wxILLEGAL_TYPE_SPECIALIZATION( int * )
wxILLEGAL_TYPE_SPECIALIZATION( bool * )
wxILLEGAL_TYPE_SPECIALIZATION( long * )
wxILLEGAL_TYPE_SPECIALIZATION( wxString * )

wxCOLLECTION_TYPE_INFO( wxString , wxArrayString ) ;

template<> void wxCollectionToVariantArray( wxArrayString const &theArray, wxxVariantArray &value)
{
    wxArrayCollectionToVariantArray( theArray , value ) ;
}

wxTypeInfoMap *wxTypeInfo::ms_typeTable = NULL ;

wxTypeInfo *wxTypeInfo::FindType(const wxChar *typeName)
{
    wxTypeInfoMap::iterator iter = ms_typeTable->find(typeName) ;
    wxASSERT_MSG( iter != ms_typeTable->end() , wxT("lookup for a non-existent type-info") ) ;
    return (wxTypeInfo *)iter->second;
}

#if wxUSE_UNICODE
wxClassTypeInfo::wxClassTypeInfo( wxTypeKind kind , wxClassInfo* classInfo , converterToString_t to , converterFromString_t from , const char *name) :
wxTypeInfo( kind , to , from , name)
{ wxASSERT_MSG( kind == wxT_OBJECT_PTR || kind == wxT_OBJECT , wxT("Illegal Kind for Enum Type")) ; m_classInfo = classInfo ;}
#endif

wxClassTypeInfo::wxClassTypeInfo( wxTypeKind kind , wxClassInfo* classInfo , converterToString_t to , converterFromString_t from , const wxString &name) :
wxTypeInfo( kind , to , from , name)
{ wxASSERT_MSG( kind == wxT_OBJECT_PTR || kind == wxT_OBJECT , wxT("Illegal Kind for Enum Type")) ; m_classInfo = classInfo ;}

wxDelegateTypeInfo::wxDelegateTypeInfo( int eventType , wxClassInfo* eventClass , converterToString_t to , converterFromString_t from ) :
wxTypeInfo ( wxT_DELEGATE , to , from , wxEmptyString )
{ m_eventClass = eventClass ; m_eventType = eventType ; m_lastEventType = -1 ;}

wxDelegateTypeInfo::wxDelegateTypeInfo( int eventType , int lastEventType , wxClassInfo* eventClass , converterToString_t to , converterFromString_t from ) :
wxTypeInfo ( wxT_DELEGATE , to , from , wxEmptyString )
{ m_eventClass = eventClass ; m_eventType = eventType ; m_lastEventType = lastEventType; }

void wxTypeInfo::Register()
{
    if ( ms_typeTable == NULL )
        ms_typeTable = new wxTypeInfoMap() ;

    if( !m_name.empty() )
        (*ms_typeTable)[m_name] = this ;
}

void wxTypeInfo::Unregister()
{
    if( !m_name.empty() )
        ms_typeTable->erase(m_name);
}

// removing header dependancy on string tokenizer

void wxSetStringToArray( const wxString &s , wxArrayString &array )
{
    wxStringTokenizer tokenizer(s, wxT("| \t\n"), wxTOKEN_STRTOK);
    wxString flag;
    array.Clear() ;
    while (tokenizer.HasMoreTokens())
    {
        array.Add(tokenizer.GetNextToken()) ;
    }
}

// ----------------------------------------------------------------------------
// wxClassInfo
// ----------------------------------------------------------------------------

wxPropertyInfo::~wxPropertyInfo()
{
    if ( this == m_itsClass->m_firstProperty )
    {
        m_itsClass->m_firstProperty = m_next;
    }
    else
    {
        wxPropertyInfo *info = m_itsClass->m_firstProperty;
        while (info)
        {
            if ( info->m_next == this )
            {
                info->m_next = m_next;
                break;
            }

            info = info->m_next;
        }
    }
}

wxHandlerInfo::~wxHandlerInfo()
{
    if ( this == m_itsClass->m_firstHandler )
    {
        m_itsClass->m_firstHandler = m_next;
    }
    else
    {
        wxHandlerInfo *info = m_itsClass->m_firstHandler;
        while (info)
        {
            if ( info->m_next == this )
            {
                info->m_next = m_next;
                break;
            }