geometrie/Imports/smartvars.h

#ifndef SMARTVARS_H
#define SMARTVARS_H

#include <assert.h>

#ifdef __BORLANDC__
#include <Atl/atlbase.h>
#endif

#ifdef VC71
#include <atlbase.h>
#endif

/**
*
USAGE :
                SafeBSTRArray names(1);
                SafeLongArray types(1);
                SafeBSTRArray vals(1);

                names[0] = T2BSTR(_T("ReplaceFile"));
                types[0] = swMacroFeatureParamTypeString;
                vals[0] = m_replaceFile.AllocSysString();
                
                CComVariant paramNames = names;
                CComVariant paramTypes = types;
                CComVariant paramValues = vals;
                
                LPDISPATCH outFeat = NULL;
                HRESULT hres = m_Part->InsertComFeature(T2BSTR(_T("{04B74DF2-ACBA-4218-887A-F42140F312E0}")), 
                                                 paramNames, paramTypes, paramValues, &outFeat);
                if (outFeat)
                        outFeat->Release();
  */
template <class T,int type> class SafeArray
{
public:
        SafeArray(VARIANT *input):
          m_input(input),
          m_access(false),
          m_bCreate(false),
          m_pSafeArray(NULL),
          m_arrayData(NULL),
          m_result(S_OK)

        {
                if(m_input != NULL)
                {
                        if (V_VT(m_input) != VT_EMPTY)
                        {
                                m_pSafeArray =  V_ARRAY (m_input);
                                m_result     =  SafeArrayAccessData ( m_pSafeArray, (void HUGEP**)&m_arrayData);
                                m_access = m_result == S_OK ; 
                        }
                        else
                           m_access = true;
                }
                else
                {
                        assert(FALSE);
                        m_input = &m_target;
                }
        }

        SafeArray(const VARIANT &input) :
          m_access(true), 
          m_bCreate(false),
          m_pSafeArray(NULL),
          m_arrayData(NULL),
          m_result(S_OK)
        {
                m_input = (VARIANT *) &input;
                if (V_VT(m_input) != VT_EMPTY)
                {
                        m_pSafeArray =  V_ARRAY (m_input);
                        m_result     =  SafeArrayAccessData ( m_pSafeArray, (void HUGEP**)&m_arrayData);
                        m_access = m_result == S_OK ; 
                }
                else
                   m_access = true;
        }

        SafeArray(unsigned int size,unsigned int dims = 1):
          m_input(&m_target),
          m_access(false),
          m_bCreate(true),
          m_pSafeArray(NULL),
          m_arrayData(NULL),
          m_result(S_OK)
        {
                assert(size >= 0);
                if(size > 0)
                {
                        m_rgsabound[0].lLbound          = 0;
                        m_rgsabound[0].cElements        = (int) size;
                        m_pSafeArray =  SafeArrayCreate(type, (int)dims, m_rgsabound);
                        V_VT(m_input) = VT_ARRAY | type;
                        m_result = SafeArrayAccessData( m_pSafeArray, (void HUGEP**)&m_arrayData);
                        m_access = m_result == S_OK ; 
                        if(!m_access)
                           V_VT(m_input) = VT_EMPTY;
                } 
                else
                {
                        V_VT(m_input) = VT_EMPTY;
                        m_access = true;
                }
        }

         inline HRESULT status(){return m_result;}
         inline int getSize(int index = 0) {return (m_access&&m_pSafeArray)?m_pSafeArray->rgsabound[index].cElements:0;}

        ~SafeArray(){UnaccessData();}

        operator T* ()                  {assert(m_access);return m_arrayData;}
        operator VARIANT ()             {assert(m_access);UnaccessData(); return *m_input;}
        T & operator[](int i)   {assert(m_access&&m_arrayData);return m_arrayData[i];}
private:
        void UnaccessData(){
                if(m_access){
                        m_result = SafeArrayUnaccessData( m_pSafeArray );
                        if(m_bCreate && m_result == S_OK)
                                V_ARRAY(m_input) = m_pSafeArray;
                        m_access = false;
                }
        }

        bool                    m_bCreate;
        bool                    m_access;
        VARIANT                 *m_input;
        VARIANT                 m_target;
        T                       *m_arrayData ;
        SAFEARRAY               *m_pSafeArray;
        SAFEARRAYBOUND  m_rgsabound[1]; 
        HRESULT                 m_result;
};

typedef SafeArray<double,       VT_R8>       SafeDoubleArray ;
typedef SafeArray<float,       VT_R4>       SafeFloatArray ;
typedef SafeArray<long,         VT_I4>       SafeLongArray ;
typedef SafeArray<BSTR,         VT_BSTR>     SafeBSTRArray ;
typedef SafeArray<LPDISPATCH,   VT_DISPATCH> SafeDISPATCHArray;
typedef SafeArray<LPVARIANT,    VT_VARIANT>  SafeVARIANTArray;    
typedef SafeArray<short,    VT_I2>  SafeBooleanArray;


/*

  assing SafeArrays in C++ 
Be careful when managing SafeArray memory. If you receive a SafeArray from the SolidWorks product, you are responsible for destroying it. Also, if you pass a SafeArray to the SolidWorks product, SolidWorks does not destroy the SafeArray; you are responsible for destroying it.

See:

Return Values for information and examples of handling SafeArray and VARIANT return values. 

A template class for VARIANT SafeArrays on the SolidWorks API Support Web site, http://www.solidworks.com/pages/services/APITips.html.

 
*/

#endif//SMARTVARS_H
Revision:	29
Committed:	Thu Jul 5 15:47:43 2007 UTC (18 years, 1 month ago) by foucault
Content type:	text/plain
Original Path:	*magic/lib/geometrie/geometrie/Imports/smartvars.h*
File size:	4250 byte(s)
Log Message:	bug solidworks avec smartvars.h
#	User	Rev	Content
1		5	#ifndef SMARTVARS_H
2			#define SMARTVARS_H
3	foucault	29
4		5	#include <assert.h>
5	foucault	29
6			#ifdef __BORLANDC__
7		5	#include <Atl/atlbase.h>
8	foucault	29	#endif
9		5
10	foucault	29	#ifdef VC71
11			#include <atlbase.h>
12			#endif
13
14		5	/**
15			*
16			USAGE :
17			SafeBSTRArray names(1);
18			SafeLongArray types(1);
19			SafeBSTRArray vals(1);
20
21			names[0] = T2BSTR(_T("ReplaceFile"));
22			types[0] = swMacroFeatureParamTypeString;
23			vals[0] = m_replaceFile.AllocSysString();
24
25			CComVariant paramNames = names;
26			CComVariant paramTypes = types;
27			CComVariant paramValues = vals;
28
29			LPDISPATCH outFeat = NULL;
30			HRESULT hres = m_Part->InsertComFeature(T2BSTR(_T("{04B74DF2-ACBA-4218-887A-F42140F312E0}")),
31			paramNames, paramTypes, paramValues, &outFeat);
32			if (outFeat)
33			outFeat->Release();
34			*/
35			template <class T,int type> class SafeArray
36			{
37			public:
38			SafeArray(VARIANT *input):
39			m_input(input),
40			m_access(false),
41			m_bCreate(false),
42			m_pSafeArray(NULL),
43			m_arrayData(NULL),
44			m_result(S_OK)
45
46			{
47			if(m_input != NULL)
48			{
49			if (V_VT(m_input) != VT_EMPTY)
50			{
51			m_pSafeArray = V_ARRAY (m_input);
52			m_result = SafeArrayAccessData ( m_pSafeArray, (void HUGEP**)&m_arrayData);
53			m_access = m_result == S_OK ;
54			}
55			else
56			m_access = true;
57			}
58			else
59			{
60			assert(FALSE);
61			m_input = &m_target;
62			}
63			}
64
65			SafeArray(const VARIANT &input) :
66			m_access(true),
67			m_bCreate(false),
68			m_pSafeArray(NULL),
69			m_arrayData(NULL),
70			m_result(S_OK)
71			{
72			m_input = (VARIANT *) &input;
73			if (V_VT(m_input) != VT_EMPTY)
74			{
75			m_pSafeArray = V_ARRAY (m_input);
76			m_result = SafeArrayAccessData ( m_pSafeArray, (void HUGEP**)&m_arrayData);
77			m_access = m_result == S_OK ;
78			}
79			else
80			m_access = true;
81			}
82
83			SafeArray(unsigned int size,unsigned int dims = 1):
84			m_input(&m_target),
85			m_access(false),
86			m_bCreate(true),
87			m_pSafeArray(NULL),
88			m_arrayData(NULL),
89			m_result(S_OK)
90			{
91			assert(size >= 0);
92			if(size > 0)
93			{
94			m_rgsabound[0].lLbound = 0;
95			m_rgsabound[0].cElements = (int) size;
96			m_pSafeArray = SafeArrayCreate(type, (int)dims, m_rgsabound);
97			V_VT(m_input) = VT_ARRAY \| type;
98			m_result = SafeArrayAccessData( m_pSafeArray, (void HUGEP**)&m_arrayData);
99			m_access = m_result == S_OK ;
100			if(!m_access)
101			V_VT(m_input) = VT_EMPTY;
102			}
103			else
104			{
105			V_VT(m_input) = VT_EMPTY;
106			m_access = true;
107			}
108			}
109
110			inline HRESULT status(){return m_result;}
111			inline int getSize(int index = 0) {return (m_access&&m_pSafeArray)?m_pSafeArray->rgsabound[index].cElements:0;}
112
113			~SafeArray(){UnaccessData();}
114
115			operator T* () {assert(m_access);return m_arrayData;}
116			operator VARIANT () {assert(m_access);UnaccessData(); return *m_input;}
117			T & operator[](int i) {assert(m_access&&m_arrayData);return m_arrayData[i];}
118			private:
119			void UnaccessData(){
120			if(m_access){
121			m_result = SafeArrayUnaccessData( m_pSafeArray );
122			if(m_bCreate && m_result == S_OK)
123			V_ARRAY(m_input) = m_pSafeArray;
124			m_access = false;
125			}
126			}
127
128			bool m_bCreate;
129			bool m_access;
130			VARIANT *m_input;
131			VARIANT m_target;
132			T *m_arrayData ;
133			SAFEARRAY *m_pSafeArray;
134			SAFEARRAYBOUND m_rgsabound[1];
135			HRESULT m_result;
136			};
137
138			typedef SafeArray<double, VT_R8> SafeDoubleArray ;
139			typedef SafeArray<float, VT_R4> SafeFloatArray ;
140			typedef SafeArray<long, VT_I4> SafeLongArray ;
141			typedef SafeArray<BSTR, VT_BSTR> SafeBSTRArray ;
142			typedef SafeArray<LPDISPATCH, VT_DISPATCH> SafeDISPATCHArray;
143	foucault	29	typedef SafeArray<LPVARIANT, VT_VARIANT> SafeVARIANTArray;
144			typedef SafeArray<short, VT_I2> SafeBooleanArray;
145		5
146
147
148			/*
149
150			assing SafeArrays in C++
151			Be careful when managing SafeArray memory. If you receive a SafeArray from the SolidWorks product, you are responsible for destroying it. Also, if you pass a SafeArray to the SolidWorks product, SolidWorks does not destroy the SafeArray; you are responsible for destroying it.
152
153			See:
154
155			Return Values for information and examples of handling SafeArray and VARIANT return values.
156
157			A template class for VARIANT SafeArrays on the SolidWorks API Support Web site, http://www.solidworks.com/pages/services/APITips.html.
158
159
160
161			*/
162
163			#endif//SMARTVARS_H