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1276 lines
38 KiB
1276 lines
38 KiB
// Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1993 Microsoft Corporation,
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// All rights reserved.
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and Microsoft
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// QuickHelp and/or WinHelp documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#ifndef __AFX_H__
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#define __AFX_H__
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#ifndef __cplusplus
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#error Microsoft Foundation Classes require C++ compilation (use a .cpp suffix)
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#endif
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/////////////////////////////////////////////////////////////////////////////
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#include <afxver_.h> // Target version control
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/////////////////////////////////////////////////////////////////////////////
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// Classes declared in this file
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// in addition to standard primitive data types and various helper macros
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struct CRuntimeClass; // object type information
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class CObject; // the root of all objects classes
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class CException; // the root of all exceptions
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class CMemoryException; // out-of-memory exception
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class CNotSupportedException; // feature not supported exception
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class CArchiveException;// archive exception
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class CFileException; // file exception
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class CFile; // raw binary file
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class CStdioFile; // buffered stdio text/binary file
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class CMemFile; // memory based file
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// Non CObject classes
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class CString; // growable string type
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class CTimeSpan; // time/date difference
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class CTime; // absolute time/date
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struct CFileStatus; // file status information
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struct CMemoryState; // diagnostic memory support
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class CArchive; // object persistence tool
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class CDumpContext; // object diagnostic dumping
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/////////////////////////////////////////////////////////////////////////////
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// Other includes from standard "C" runtimes
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#ifndef NOSTRICT
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#define STRICT // default is to use STRICT interfaces
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#endif
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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/////////////////////////////////////////////////////////////////////////////
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// Basic types (from Windows)
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typedef unsigned char BYTE; // 8-bit unsigned entity
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typedef unsigned short WORD; // 16-bit unsigned number
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typedef unsigned int UINT; // machine sized unsigned number (preferred)
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typedef long LONG; // 32-bit signed number
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typedef unsigned long DWORD; // 32-bit unsigned number
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typedef int BOOL; // BOOLean (0 or !=0)
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typedef char FAR* LPSTR; // far pointer to a string
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typedef const char FAR* LPCSTR; // far pointer to a read-only string
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typedef void* POSITION; // abstract iteration position
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// Standard constants
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#undef FALSE
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#undef TRUE
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#undef NULL
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#define FALSE 0
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#define TRUE 1
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#define NULL 0
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/////////////////////////////////////////////////////////////////////////////
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// Diagnostic support
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#ifdef _DEBUG
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extern "C"
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{
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void CDECL AfxTrace(LPCSTR pszFormat, ...);
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void AFXAPI AfxAssertFailedLine(LPCSTR lpszFileName, int nLine);
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void AFXAPI AfxAssertValidObject(const CObject* pOb,
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LPCSTR lpszFileName, int nLine);
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void AFXAPI AfxDump(const CObject* pOb); // Dump an object from CodeView
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}
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#define TRACE ::AfxTrace
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#define THIS_FILE __FILE__
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#define ASSERT(f) ((f) ? (void)0 : \
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::AfxAssertFailedLine(THIS_FILE, __LINE__))
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#define VERIFY(f) ASSERT(f)
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#define ASSERT_VALID(pOb) (::AfxAssertValidObject(pOb, THIS_FILE, __LINE__))
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// The following trace macros put the trace string in a code segment
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// so that it will not impact DGROUP
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#define TRACE0(sz) \
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do { \
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static char BASED_DEBUG _sz[] = sz; \
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::AfxTrace(_sz); \
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} while (0)
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#define TRACE1(sz, p1) \
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do { \
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static char BASED_DEBUG _sz[] = sz; \
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::AfxTrace(_sz, p1); \
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} while (0)
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#define TRACE2(sz, p1, p2) \
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do { \
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static char BASED_DEBUG _sz[] = sz; \
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::AfxTrace(_sz, p1, p2); \
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} while (0)
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#define TRACE3(sz, p1, p2, p3) \
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do { \
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static char BASED_DEBUG _sz[] = sz; \
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::AfxTrace(_sz, p1, p2, p3); \
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} while (0)
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// Use this in Dump to put the string literals in a code segment and
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// out of DGROUP.
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#define AFX_DUMP0(dc, sz) \
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do { \
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static char BASED_DEBUG _sz[] = sz; \
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dc << _sz; \
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} while (0)
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#define AFX_DUMP1(dc, sz, p1) \
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do { \
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static char BASED_DEBUG _sz[] = sz; \
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dc << _sz << p1; \
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} while (0)
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#else
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#define ASSERT(f) ((void)0)
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#define VERIFY(f) ((void)(f))
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#define ASSERT_VALID(pOb) ((void)0)
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inline void CDECL AfxTrace(LPCSTR /* pszFormat */, ...) { }
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#define TRACE 1 ? (void)0 : ::AfxTrace
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#define TRACE0 1 ? (void)0 : ::AfxTrace
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#define TRACE1 1 ? (void)0 : ::AfxTrace
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#define TRACE2 1 ? (void)0 : ::AfxTrace
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#define TRACE3 1 ? (void)0 : ::AfxTrace
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#endif // _DEBUG
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/////////////////////////////////////////////////////////////////////////////
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// Turn off warnings for /W4
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// To resume any of these warning: #pragma warning(default: 4xxx)
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// which should be placed after the AFX include files
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#ifndef ALL_WARNINGS
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#pragma warning(disable: 4001) // nameless unions are part of C++
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#pragma warning(disable: 4061) // allow enums in switch with default
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#pragma warning(disable: 4127) // constant expression for TRACE/ASSERT
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#pragma warning(disable: 4134) // message map member fxn casts
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#pragma warning(disable: 4505) // optimize away locals
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#pragma warning(disable: 4510) // default constructors are bad to have
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#pragma warning(disable: 4511) // private copy constructors are good to have
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#pragma warning(disable: 4512) // private operator= are good to have
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#ifdef STRICT
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#pragma warning(disable: 4305) // STRICT handles are near*, integer truncation
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#endif
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#if (_MSC_VER >= 800)
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// turn off code generator warnings for information lost in normal optimizations
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#pragma warning(disable: 4705) // TRACE turned into statement with no effect
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#pragma warning(disable: 4710) // private constructors are disallowed
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#pragma warning(disable: 4791) // loss of debugging info in retail version
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#endif
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#endif //ALL_WARNINGS
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/////////////////////////////////////////////////////////////////////////////
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// Other implementation helpers
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#define BEFORE_START_POSITION ((void*)-1L)
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#define _AFX_FP_OFF(thing) (*((UINT*)&(thing)))
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#define _AFX_FP_SEG(lp) (*((UINT*)&(lp)+1))
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/////////////////////////////////////////////////////////////////////////////
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// Explicit extern for version API/Windows 3.0 loader problem
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#ifdef _WINDOWS
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extern "C" int AFXAPI _export _afx_version();
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#else
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extern "C" int AFXAPI _afx_version();
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Basic object model
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struct CRuntimeClass
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{
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// Attributes
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LPCSTR m_lpszClassName;
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int m_nObjectSize;
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UINT m_wSchema; // schema number of the loaded class
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void (PASCAL* m_pfnConstruct)(void* p); // NULL => abstract class
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CRuntimeClass* m_pBaseClass;
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// Operations
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CObject* CreateObject();
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// Implementation
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BOOL ConstructObject(void* pThis);
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void Store(CArchive& ar);
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static CRuntimeClass* PASCAL Load(CArchive& ar, UINT* pwSchemaNum);
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// CRuntimeClass objects linked together in simple list
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static CRuntimeClass* AFXAPI_DATA pFirstClass; // start of class list
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CRuntimeClass* m_pNextClass; // linked list of registered classes
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};
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/////////////////////////////////////////////////////////////////////////////
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// class CObject is the root of all compliant objects
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#if defined(_M_I86MM) && !defined(_PORTABLE)
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// force vtables to be in far code segments for medium model
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class FAR CObjectRoot
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{
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protected:
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virtual CRuntimeClass* GetRuntimeClass() NEAR const = 0;
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};
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#pragma warning(disable: 4149) // don't warn for medium model change
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class NEAR CObject : public CObjectRoot
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#else
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class CObject
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#endif
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{
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public:
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// Object model (types, destruction, allocation)
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virtual CRuntimeClass* GetRuntimeClass() const;
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virtual ~CObject(); // virtual destructors are necessary
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// Diagnostic allocations
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void* operator new(size_t, void* p);
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void* operator new(size_t nSize);
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void operator delete(void* p);
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#ifdef _DEBUG
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// for file name/line number tracking using DEBUG_NEW
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void* operator new(size_t nSize, LPCSTR lpszFileName, int nLine);
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#endif
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// Disable the copy constructor and assignment by default so you will get
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// compiler errors instead of unexpected behaviour if you pass objects
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// by value or assign objects.
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protected:
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CObject();
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private:
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CObject(const CObject& objectSrc); // no implementation
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void operator=(const CObject& objectSrc); // no implementation
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// Attributes
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public:
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BOOL IsSerializable() const;
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BOOL IsKindOf(const CRuntimeClass* pClass) const;
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// Overridables
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virtual void Serialize(CArchive& ar);
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// Diagnostic Support
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virtual void AssertValid() const;
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virtual void Dump(CDumpContext& dc) const;
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// Implementation
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public:
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static CRuntimeClass AFXAPI_DATA classCObject;
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};
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#if defined(_M_I86MM)
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#pragma warning(default: 4149) // base class now ambient
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#endif
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// CObject::Serialize is always inline to avoid duplicate definitions
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inline void CObject::Serialize(CArchive&)
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{ /* CObject does not serialize anything by default */ }
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// Helper macros
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#define RUNTIME_CLASS(class_name) \
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(&class_name::class##class_name)
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//////////////////////////////////////////////////////////////////////////////
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// Helper macros for declaring compliant classes
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// AFXAPP_DATA will be NEAR for app classes but AFXAPI_DATA for library classes
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#define AFXAPP_DATA AFXAPI_DATA
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#define DECLARE_DYNAMIC(class_name) \
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public: \
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static CRuntimeClass AFXAPP_DATA class##class_name; \
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virtual CRuntimeClass* GetRuntimeClass() const;
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// not serializable, but dynamically constructable
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#define DECLARE_DYNCREATE(class_name) \
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DECLARE_DYNAMIC(class_name) \
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static void PASCAL Construct(void* p);
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#define DECLARE_SERIAL(class_name) \
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DECLARE_DYNCREATE(class_name) \
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friend CArchive& AFXAPI operator>>(CArchive& ar, class_name* &pOb);
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// generate static object constructor for class registration
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#ifdef AFX_CLASS_MODEL
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struct NEAR AFX_CLASSINIT
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#else
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struct AFX_CLASSINIT
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#endif
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{ AFX_CLASSINIT(CRuntimeClass* pNewClass); };
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#define _IMPLEMENT_RUNTIMECLASS(class_name, base_class_name, wSchema, pfnNew) \
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static char BASED_CODE _lpsz##class_name[] = #class_name; \
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CRuntimeClass AFXAPP_DATA class_name::class##class_name = { \
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_lpsz##class_name, sizeof(class_name), wSchema, pfnNew, \
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RUNTIME_CLASS(base_class_name), NULL }; \
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static AFX_CLASSINIT _init_##class_name(&class_name::class##class_name); \
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CRuntimeClass* class_name::GetRuntimeClass() const \
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{ return &class_name::class##class_name; } \
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// end of _IMPLEMENT_RUNTIMECLASS
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#define IMPLEMENT_DYNAMIC(class_name, base_class_name) \
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_IMPLEMENT_RUNTIMECLASS(class_name, base_class_name, 0xFFFF, NULL)
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#define IMPLEMENT_DYNCREATE(class_name, base_class_name) \
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void PASCAL class_name::Construct(void* p) \
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{ new(p) class_name; } \
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_IMPLEMENT_RUNTIMECLASS(class_name, base_class_name, 0xFFFF, \
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class_name::Construct)
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#define IMPLEMENT_SERIAL(class_name, base_class_name, wSchema) \
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void PASCAL class_name::Construct(void* p) \
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{ new(p) class_name; } \
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_IMPLEMENT_RUNTIMECLASS(class_name, base_class_name, wSchema, \
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class_name::Construct) \
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CArchive& AFXAPI operator>>(CArchive& ar, class_name* &pOb) \
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{ pOb = (class_name*) ar.ReadObject(RUNTIME_CLASS(class_name)); \
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return ar; } \
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// end of IMPLEMENT_SERIAL
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/////////////////////////////////////////////////////////////////////////////
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// other helpers
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// zero fill everything after the VTable pointer
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#define AFX_ZERO_INIT_OBJECT(base_class) \
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memset(((base_class*)this)+1, 0, sizeof(*this) - sizeof(base_class));
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// Windows compatible setjmp for C++
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#ifndef _AFX_JBLEN
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// use default Window C++ calling convention
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#define _AFX_JBLEN 9
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extern "C" int FAR PASCAL Catch(int FAR*);
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Exceptions
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class CException : public CObject
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{
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// abstract class for dynamic type checking
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DECLARE_DYNAMIC(CException)
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};
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// out-of-line routines for smaller code
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BOOL AFXAPI AfxCatchProc(CRuntimeClass* pClass);
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void AFXAPI AfxThrow(CException* pException, BOOL bShared);
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void AFXAPI AfxThrowLast();
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void AFXAPI AfxTryCleanupProc();
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// Placed on frame for EXCEPTION linkage
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struct AFX_STACK_DATA AFX_EXCEPTION_LINK
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{
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AFX_EXCEPTION_LINK* m_pLinkPrev; // previous top, next in handler chain
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CException* m_pException; // current exception (NULL in TRY block)
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BOOL m_bAutoDelete; // m_pException is "auto-delete", if TRUE
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UINT m_nType; // 0 for setjmp, !=0 for user extension
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union
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{
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int m_jumpBuf[_AFX_JBLEN]; // arg for Catch/Throw (nType = 0)
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struct
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{
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void (PASCAL* pfnCleanup)(AFX_EXCEPTION_LINK* pLink);
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void* pvData; // extra data follows
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} m_callback; // callback for cleanup (nType != 0)
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};
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AFX_EXCEPTION_LINK(); // for initialization and linking
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~AFX_EXCEPTION_LINK() // for cleanup and unlinking
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{ AfxTryCleanupProc(); };
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};
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// Exception global state - never access directly
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struct AFX_EXCEPTION_CONTEXT
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{
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AFX_EXCEPTION_LINK* m_pLinkTop;
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// Note: most of the exception context is now in the AFX_EXCEPTION_LINK
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};
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void AFXAPI AfxAbort();
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// Obsolete and non-portable: setting terminate handler
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// use CWinApp::ProcessWndProcException for Windows apps instead
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void AFXAPI AfxTerminate();
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#ifndef _AFXDLL
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typedef void (AFXAPI* AFX_TERM_PROC)();
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AFX_TERM_PROC AFXAPI AfxSetTerminate(AFX_TERM_PROC);
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#endif //!_AFXDLL
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/////////////////////////////////////////////////////////////////////////////
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// Exception helper macros
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#define TRY \
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{ AFX_EXCEPTION_LINK _afxExceptionLink; \
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if (::Catch(_afxExceptionLink.m_jumpBuf) == 0)
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#define CATCH(class, e) \
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else if (::AfxCatchProc(RUNTIME_CLASS(class))) \
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{ class* e = (class*)_afxExceptionLink.m_pException;
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#define AND_CATCH(class, e) \
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} else if (::AfxCatchProc(RUNTIME_CLASS(class))) \
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{ class* e = (class*)_afxExceptionLink.m_pException;
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#define END_CATCH \
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} else { ::AfxThrowLast(); } }
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#define THROW(e) ::AfxThrow(e, FALSE)
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#define THROW_LAST() ::AfxThrowLast()
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// Advanced macros for smaller code
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#define CATCH_ALL(e) \
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else { CException* e = _afxExceptionLink.m_pException;
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#define AND_CATCH_ALL(e) \
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} else { CException* e = _afxExceptionLink.m_pException;
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#define END_CATCH_ALL } }
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#define END_TRY }
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/////////////////////////////////////////////////////////////////////////////
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// Standard Exception classes
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class CMemoryException : public CException
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{
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DECLARE_DYNAMIC(CMemoryException)
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public:
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CMemoryException();
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};
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class CNotSupportedException : public CException
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{
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DECLARE_DYNAMIC(CNotSupportedException)
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public:
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CNotSupportedException();
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};
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class CArchiveException : public CException
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{
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DECLARE_DYNAMIC(CArchiveException)
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public:
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enum {
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none,
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generic,
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readOnly,
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endOfFile,
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writeOnly,
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badIndex,
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badClass,
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badSchema
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};
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// Constructor
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CArchiveException(int cause = CArchiveException::none);
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// Attributes
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int m_cause;
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#ifdef _DEBUG
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virtual void Dump(CDumpContext& dc) const;
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#endif
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};
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class CFileException : public CException
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{
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DECLARE_DYNAMIC(CFileException)
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public:
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enum {
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none,
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generic,
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fileNotFound,
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badPath,
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tooManyOpenFiles,
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accessDenied,
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invalidFile,
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removeCurrentDir,
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directoryFull,
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badSeek,
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hardIO,
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sharingViolation,
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lockViolation,
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diskFull,
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endOfFile
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};
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// Constructors
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CFileException(int cause = CFileException::none, LONG lOsError = -1);
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// Attributes
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int m_cause;
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LONG m_lOsError;
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// Operations
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// convert a OS dependent error code to a Cause
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|
static int PASCAL OsErrorToException(LONG lOsError);
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static int PASCAL ErrnoToException(int nErrno);
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// helper functions to throw exception after converting to a Cause
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|
static void PASCAL ThrowOsError(LONG lOsError);
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static void PASCAL ThrowErrno(int nErrno);
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#ifdef _DEBUG
|
|
virtual void Dump(CDumpContext&) const;
|
|
#endif
|
|
};
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Standard exception throws
|
|
|
|
void AFXAPI AfxThrowMemoryException();
|
|
void AFXAPI AfxThrowNotSupportedException();
|
|
void AFXAPI AfxThrowArchiveException(int cause);
|
|
void AFXAPI AfxThrowFileException(int cause, LONG lOsError = -1);
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// File - raw unbuffered disk file I/O
|
|
|
|
class CFile : public CObject
|
|
{
|
|
DECLARE_DYNAMIC(CFile)
|
|
|
|
public:
|
|
// Flag values
|
|
enum OpenFlags {
|
|
modeRead = 0x0000,
|
|
modeWrite = 0x0001,
|
|
modeReadWrite = 0x0002,
|
|
shareCompat = 0x0000,
|
|
shareExclusive = 0x0010,
|
|
shareDenyWrite = 0x0020,
|
|
shareDenyRead = 0x0030,
|
|
shareDenyNone = 0x0040,
|
|
modeNoInherit = 0x0080,
|
|
modeCreate = 0x1000,
|
|
typeText = 0x4000, // typeText and typeBinary are used in
|
|
typeBinary = (int)0x8000 // derived classes only
|
|
};
|
|
|
|
enum Attribute {
|
|
normal = 0x00,
|
|
readOnly = 0x01,
|
|
hidden = 0x02,
|
|
system = 0x04,
|
|
volume = 0x08,
|
|
directory = 0x10,
|
|
archive = 0x20
|
|
};
|
|
|
|
enum SeekPosition { begin = 0x0, current = 0x1, end = 0x2 };
|
|
|
|
enum {hFileNull = -1};
|
|
|
|
// Constructors
|
|
CFile();
|
|
CFile(int hFile);
|
|
CFile(const char* pszFileName, UINT nOpenFlags);
|
|
|
|
// Attributes
|
|
UINT m_hFile;
|
|
|
|
virtual DWORD GetPosition() const;
|
|
BOOL GetStatus(CFileStatus& rStatus) const;
|
|
|
|
// Operations
|
|
virtual BOOL Open(const char* pszFileName, UINT nOpenFlags,
|
|
CFileException* pError = NULL);
|
|
|
|
static void PASCAL Rename(const char* pszOldName,
|
|
const char* pszNewName);
|
|
static void PASCAL Remove(const char* pszFileName);
|
|
static BOOL PASCAL GetStatus(const char* pszFileName,
|
|
CFileStatus& rStatus);
|
|
static void PASCAL SetStatus(const char* pszFileName,
|
|
const CFileStatus& status);
|
|
|
|
DWORD SeekToEnd();
|
|
void SeekToBegin();
|
|
|
|
// Helpers for > 32K read/write operations. Use for any CFile derived class.
|
|
DWORD ReadHuge(void FAR* lpBuffer, DWORD dwCount);
|
|
void WriteHuge(const void FAR* lpBuffer, DWORD dwCount);
|
|
|
|
// Overridables
|
|
virtual CFile* Duplicate() const;
|
|
|
|
virtual LONG Seek(LONG lOff, UINT nFrom);
|
|
virtual void SetLength(DWORD dwNewLen);
|
|
virtual DWORD GetLength() const;
|
|
|
|
virtual UINT Read(void FAR* lpBuf, UINT nCount);
|
|
virtual void Write(const void FAR* lpBuf, UINT nCount);
|
|
|
|
virtual void LockRange(DWORD dwPos, DWORD dwCount);
|
|
virtual void UnlockRange(DWORD dwPos, DWORD dwCount);
|
|
|
|
virtual void Abort();
|
|
virtual void Flush();
|
|
virtual void Close();
|
|
|
|
// Implementation
|
|
public:
|
|
virtual ~CFile();
|
|
#ifdef _DEBUG
|
|
virtual void AssertValid() const;
|
|
virtual void Dump(CDumpContext& dc) const;
|
|
#endif
|
|
|
|
protected:
|
|
BOOL m_bCloseOnDelete;
|
|
};
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// STDIO file implementation
|
|
|
|
class CStdioFile : public CFile
|
|
{
|
|
DECLARE_DYNAMIC(CStdioFile)
|
|
|
|
public:
|
|
// Constructors
|
|
CStdioFile();
|
|
CStdioFile(FILE* pOpenStream);
|
|
CStdioFile(const char* pszFileName, UINT nOpenFlags);
|
|
|
|
// Attributes
|
|
FILE* m_pStream; // stdio FILE
|
|
// m_hFile from base class is _fileno(m_pStream)
|
|
|
|
// Operations
|
|
virtual void WriteString(LPCSTR lpsz);
|
|
// write a string, like "C" fputs
|
|
virtual LPSTR ReadString(LPSTR lpsz, UINT nMax);
|
|
// like "C" fgets
|
|
|
|
// Implementation
|
|
public:
|
|
virtual ~CStdioFile();
|
|
#ifdef _DEBUG
|
|
void Dump(CDumpContext& dc) const;
|
|
#endif
|
|
virtual DWORD GetPosition() const;
|
|
virtual BOOL Open(const char* pszFileName, UINT nOpenFlags,
|
|
CFileException* pError = NULL);
|
|
virtual UINT Read(void FAR* lpBuf, UINT nCount);
|
|
virtual void Write(const void FAR* lpBuf, UINT nCount);
|
|
virtual LONG Seek(LONG lOff, UINT nFrom);
|
|
virtual void Abort();
|
|
virtual void Flush();
|
|
virtual void Close();
|
|
|
|
// Unsupported APIs
|
|
virtual CFile* Duplicate() const;
|
|
virtual void LockRange(DWORD dwPos, DWORD dwCount);
|
|
virtual void UnlockRange(DWORD dwPos, DWORD dwCount);
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Memory based file implementation
|
|
|
|
class CMemFile : public CFile
|
|
{
|
|
DECLARE_DYNAMIC(CMemFile)
|
|
|
|
public:
|
|
// Constructors
|
|
CMemFile(UINT nGrowBytes = 1024);
|
|
|
|
// Advanced Overridables
|
|
protected:
|
|
virtual BYTE FAR* Alloc(DWORD nBytes);
|
|
virtual BYTE FAR* Realloc(BYTE FAR* lpMem, DWORD nBytes);
|
|
virtual BYTE FAR* Memcpy(BYTE FAR* lpMemTarget, const BYTE FAR* lpMemSource, UINT nBytes);
|
|
virtual void Free(BYTE FAR* lpMem);
|
|
virtual void GrowFile(DWORD dwNewLen);
|
|
|
|
// Implementation
|
|
protected:
|
|
UINT m_nGrowBytes;
|
|
DWORD m_nPosition;
|
|
DWORD m_nBufferSize;
|
|
DWORD m_nFileSize;
|
|
BYTE FAR* m_lpBuffer;
|
|
public:
|
|
virtual ~CMemFile();
|
|
#ifdef _DEBUG
|
|
virtual void Dump(CDumpContext& dc) const;
|
|
virtual void AssertValid() const;
|
|
#endif
|
|
virtual DWORD GetPosition() const;
|
|
BOOL GetStatus(CFileStatus& rStatus) const;
|
|
virtual LONG Seek(LONG lOff, UINT nFrom);
|
|
virtual void SetLength(DWORD dwNewLen);
|
|
virtual UINT Read(void FAR* lpBuf, UINT nCount);
|
|
virtual void Write(const void FAR* lpBuf, UINT nCount);
|
|
virtual void Abort();
|
|
virtual void Flush();
|
|
virtual void Close();
|
|
|
|
// Unsupported APIs
|
|
virtual CFile* Duplicate() const;
|
|
virtual void LockRange(DWORD dwPos, DWORD dwCount);
|
|
virtual void UnlockRange(DWORD dwPos, DWORD dwCount);
|
|
};
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Strings
|
|
|
|
typedef char FAR* BSTR; // must match typedef in dispatch.h
|
|
|
|
class CString
|
|
{
|
|
public:
|
|
|
|
// Constructors
|
|
CString();
|
|
CString(const CString& stringSrc);
|
|
CString(char ch, int nRepeat = 1);
|
|
CString(const char* psz);
|
|
CString(const char* pch, int nLength);
|
|
#ifdef _NEARDATA
|
|
// Additional versions for far string data
|
|
CString(LPCSTR lpsz);
|
|
CString(LPCSTR lpch, int nLength);
|
|
#endif
|
|
~CString();
|
|
|
|
// Attributes & Operations
|
|
|
|
// as an array of characters
|
|
int GetLength() const;
|
|
BOOL IsEmpty() const;
|
|
void Empty(); // free up the data
|
|
|
|
char GetAt(int nIndex) const; // 0 based
|
|
char operator[](int nIndex) const; // same as GetAt
|
|
void SetAt(int nIndex, char ch);
|
|
operator const char*() const; // as a C string
|
|
|
|
// overloaded assignment
|
|
const CString& operator=(const CString& stringSrc);
|
|
const CString& operator=(char ch);
|
|
const CString& operator=(const char* psz);
|
|
|
|
// string concatenation
|
|
const CString& operator+=(const CString& string);
|
|
const CString& operator+=(char ch);
|
|
const CString& operator+=(const char* psz);
|
|
|
|
friend CString AFXAPI operator+(const CString& string1,
|
|
const CString& string2);
|
|
friend CString AFXAPI operator+(const CString& string, char ch);
|
|
friend CString AFXAPI operator+(char ch, const CString& string);
|
|
friend CString AFXAPI operator+(const CString& string, const char* psz);
|
|
friend CString AFXAPI operator+(const char* psz, const CString& string);
|
|
|
|
// string comparison
|
|
int Compare(const char* psz) const; // straight character
|
|
int CompareNoCase(const char* psz) const; // ignore case
|
|
int Collate(const char* psz) const; // NLS aware
|
|
|
|
// simple sub-string extraction
|
|
CString Mid(int nFirst, int nCount) const;
|
|
CString Mid(int nFirst) const;
|
|
CString Left(int nCount) const;
|
|
CString Right(int nCount) const;
|
|
|
|
CString SpanIncluding(const char* pszCharSet) const;
|
|
CString SpanExcluding(const char* pszCharSet) const;
|
|
|
|
// upper/lower/reverse conversion
|
|
void MakeUpper();
|
|
void MakeLower();
|
|
void MakeReverse();
|
|
|
|
// searching (return starting index, or -1 if not found)
|
|
// look for a single character match
|
|
int Find(char ch) const; // like "C" strchr
|
|
int ReverseFind(char ch) const;
|
|
int FindOneOf(const char* pszCharSet) const;
|
|
|
|
// look for a specific sub-string
|
|
int Find(const char* pszSub) const; // like "C" strstr
|
|
|
|
// input and output
|
|
#ifdef _DEBUG
|
|
friend CDumpContext& AFXAPI operator<<(CDumpContext& dc,
|
|
const CString& string);
|
|
#endif
|
|
friend CArchive& AFXAPI operator<<(CArchive& ar, const CString& string);
|
|
friend CArchive& AFXAPI operator>>(CArchive& ar, CString& string);
|
|
|
|
// Windows support
|
|
#ifdef _WINDOWS
|
|
BOOL LoadString(UINT nID); // load from string resource
|
|
// 255 chars max
|
|
// ANSI<->OEM support (convert string in place)
|
|
void AnsiToOem();
|
|
void OemToAnsi();
|
|
|
|
// OLE 2.0 BSTR support (use for OLE automation)
|
|
BSTR AllocSysString();
|
|
BSTR SetSysString(BSTR FAR* pbstr);
|
|
#endif //_WINDOWS
|
|
|
|
// Access to string implementation buffer as "C" character array
|
|
char* GetBuffer(int nMinBufLength);
|
|
void ReleaseBuffer(int nNewLength = -1);
|
|
char* GetBufferSetLength(int nNewLength);
|
|
|
|
// Implementation
|
|
public:
|
|
int GetAllocLength() const;
|
|
protected:
|
|
// lengths/sizes in characters
|
|
// (note: an extra character is always allocated)
|
|
char* m_pchData; // actual string (zero terminated)
|
|
int m_nDataLength; // does not include terminating 0
|
|
int m_nAllocLength; // does not include terminating 0
|
|
|
|
// implementation helpers
|
|
void Init();
|
|
void AllocCopy(CString& dest, int nCopyLen, int nCopyIndex, int nExtraLen) const;
|
|
void AllocBuffer(int nLen);
|
|
void AssignCopy(int nSrcLen, const char* pszSrcData);
|
|
void ConcatCopy(int nSrc1Len, const char* pszSrc1Data, int nSrc2Len, const char* pszSrc2Data);
|
|
void ConcatInPlace(int nSrcLen, const char* pszSrcData);
|
|
static void SafeDelete(char* pch);
|
|
static int SafeStrlen(const char* psz);
|
|
};
|
|
|
|
|
|
// Compare helpers
|
|
BOOL AFXAPI operator==(const CString& s1, const CString& s2);
|
|
BOOL AFXAPI operator==(const CString& s1, const char* s2);
|
|
BOOL AFXAPI operator==(const char* s1, const CString& s2);
|
|
BOOL AFXAPI operator!=(const CString& s1, const CString& s2);
|
|
BOOL AFXAPI operator!=(const CString& s1, const char* s2);
|
|
BOOL AFXAPI operator!=(const char* s1, const CString& s2);
|
|
BOOL AFXAPI operator<(const CString& s1, const CString& s2);
|
|
BOOL AFXAPI operator<(const CString& s1, const char* s2);
|
|
BOOL AFXAPI operator<(const char* s1, const CString& s2);
|
|
BOOL AFXAPI operator>(const CString& s1, const CString& s2);
|
|
BOOL AFXAPI operator>(const CString& s1, const char* s2);
|
|
BOOL AFXAPI operator>(const char* s1, const CString& s2);
|
|
BOOL AFXAPI operator<=(const CString& s1, const CString& s2);
|
|
BOOL AFXAPI operator<=(const CString& s1, const char* s2);
|
|
BOOL AFXAPI operator<=(const char* s1, const CString& s2);
|
|
BOOL AFXAPI operator>=(const CString& s1, const CString& s2);
|
|
BOOL AFXAPI operator>=(const CString& s1, const char* s2);
|
|
BOOL AFXAPI operator>=(const char* s1, const CString& s2);
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// CTimeSpan and CTime
|
|
|
|
class CTimeSpan
|
|
{
|
|
public:
|
|
|
|
// Constructors
|
|
CTimeSpan();
|
|
CTimeSpan(time_t time);
|
|
CTimeSpan(LONG lDays, int nHours, int nMins, int nSecs);
|
|
|
|
CTimeSpan(const CTimeSpan& timeSpanSrc);
|
|
const CTimeSpan& operator=(const CTimeSpan& timeSpanSrc);
|
|
|
|
// Attributes
|
|
// extract parts
|
|
LONG GetDays() const; // total # of days
|
|
LONG GetTotalHours() const;
|
|
int GetHours() const;
|
|
LONG GetTotalMinutes() const;
|
|
int GetMinutes() const;
|
|
LONG GetTotalSeconds() const;
|
|
int GetSeconds() const;
|
|
|
|
// Operations
|
|
// time math
|
|
CTimeSpan operator-(CTimeSpan timeSpan) const;
|
|
CTimeSpan operator+(CTimeSpan timeSpan) const;
|
|
const CTimeSpan& operator+=(CTimeSpan timeSpan);
|
|
const CTimeSpan& operator-=(CTimeSpan timeSpan);
|
|
BOOL operator==(CTimeSpan timeSpan) const;
|
|
BOOL operator!=(CTimeSpan timeSpan) const;
|
|
BOOL operator<(CTimeSpan timeSpan) const;
|
|
BOOL operator>(CTimeSpan timeSpan) const;
|
|
BOOL operator<=(CTimeSpan timeSpan) const;
|
|
BOOL operator>=(CTimeSpan timeSpan) const;
|
|
|
|
#if !defined(_AFXDLL) && !defined(_USRDLL)
|
|
CString Format(const char* pFormat) const;
|
|
#endif //! DLL variant
|
|
|
|
// serialization
|
|
#ifdef _DEBUG
|
|
friend CDumpContext& AFXAPI operator<<(CDumpContext& dc,CTimeSpan timeSpan);
|
|
#endif
|
|
friend CArchive& AFXAPI operator<<(CArchive& ar, CTimeSpan timeSpan);
|
|
friend CArchive& AFXAPI operator>>(CArchive& ar, CTimeSpan& rtimeSpan);
|
|
|
|
private:
|
|
time_t m_timeSpan;
|
|
friend class CTime;
|
|
};
|
|
|
|
class CTime
|
|
{
|
|
public:
|
|
|
|
// Constructors
|
|
static CTime PASCAL GetCurrentTime();
|
|
|
|
CTime();
|
|
CTime(time_t time);
|
|
CTime(int nYear, int nMonth, int nDay, int nHour, int nMin, int nSec);
|
|
CTime(WORD wDosDate, WORD wDosTime);
|
|
CTime(const CTime& timeSrc);
|
|
|
|
const CTime& operator=(const CTime& timeSrc);
|
|
const CTime& operator=(time_t t);
|
|
|
|
// Attributes
|
|
struct tm* GetGmtTm(struct tm* ptm = NULL) const;
|
|
struct tm* GetLocalTm(struct tm* ptm = NULL) const;
|
|
|
|
time_t GetTime() const;
|
|
int GetYear() const;
|
|
int GetMonth() const; // month of year (1 = Jan)
|
|
int GetDay() const; // day of month
|
|
int GetHour() const;
|
|
int GetMinute() const;
|
|
int GetSecond() const;
|
|
int GetDayOfWeek() const; // 1=Sun, 2=Mon, ..., 7=Sat
|
|
|
|
// Operations
|
|
// time math
|
|
CTimeSpan operator-(CTime time) const;
|
|
CTime operator-(CTimeSpan timeSpan) const;
|
|
CTime operator+(CTimeSpan timeSpan) const;
|
|
const CTime& operator+=(CTimeSpan timeSpan);
|
|
const CTime& operator-=(CTimeSpan timeSpan);
|
|
BOOL operator==(CTime time) const;
|
|
BOOL operator!=(CTime time) const;
|
|
BOOL operator<(CTime time) const;
|
|
BOOL operator>(CTime time) const;
|
|
BOOL operator<=(CTime time) const;
|
|
BOOL operator>=(CTime time) const;
|
|
|
|
// formatting using "C" strftime
|
|
#if !defined(_AFXDLL) && !defined(_USRDLL)
|
|
CString Format(const char* pFormat) const;
|
|
CString FormatGmt(const char* pFormat) const;
|
|
#endif //! DLL variant
|
|
|
|
// serialization
|
|
#ifdef _DEBUG
|
|
friend CDumpContext& AFXAPI operator<<(CDumpContext& dc, CTime time);
|
|
#endif
|
|
friend CArchive& AFXAPI operator<<(CArchive& ar, CTime time);
|
|
friend CArchive& AFXAPI operator>>(CArchive& ar, CTime& rtime);
|
|
|
|
private:
|
|
time_t m_time;
|
|
};
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// File status
|
|
|
|
struct CFileStatus
|
|
{
|
|
CTime m_ctime; // creation date/time of file
|
|
CTime m_mtime; // last modification date/time of file
|
|
CTime m_atime; // last access date/time of file
|
|
LONG m_size; // logical size of file in bytes
|
|
BYTE m_attribute; // logical OR of CFile::Attribute enum values
|
|
BYTE _m_padding; // pad the structure to a WORD
|
|
char m_szFullName[_MAX_PATH]; // absolute path name
|
|
|
|
#ifdef _DEBUG
|
|
void Dump(CDumpContext& dc) const;
|
|
#endif
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Diagnostic memory management routines
|
|
|
|
// Low level sanity checks for memory blocks
|
|
extern "C" BOOL AFXAPI AfxIsValidAddress(const void FAR* lp,
|
|
UINT nBytes, BOOL bReadWrite = TRUE);
|
|
#ifdef _NEARDATA
|
|
BOOL AFXAPI AfxIsValidAddress(const void NEAR* np, UINT nBytes,
|
|
BOOL bReadWrite = TRUE);
|
|
#endif
|
|
extern "C" BOOL AFXAPI AfxIsValidString(LPCSTR lpsz, int nLength = -1);
|
|
#ifdef _NEARDATA
|
|
BOOL AFXAPI AfxIsValidString(const char*psz, int nLength = -1);
|
|
#endif
|
|
|
|
#ifdef _DEBUG
|
|
|
|
// Memory tracking allocation
|
|
void* operator new(size_t nSize, LPCSTR lpszFileName, int nLine);
|
|
#define DEBUG_NEW new(THIS_FILE, __LINE__)
|
|
|
|
// Return TRUE if valid memory block of nBytes
|
|
BOOL AFXAPI AfxIsMemoryBlock(const void* p, UINT nBytes,
|
|
LONG* plRequestNumber = NULL);
|
|
|
|
// Return TRUE if memory is sane or print out what is wrong
|
|
BOOL AFXAPI AfxCheckMemory();
|
|
|
|
// Options for tuning the allocation diagnostics
|
|
extern "C" { extern int NEAR afxMemDF; }
|
|
|
|
enum AfxMemDF // memory debug/diagnostic flags
|
|
{
|
|
allocMemDF = 0x01, // turn on debugging allocator
|
|
delayFreeMemDF = 0x02, // delay freeing memory
|
|
checkAlwaysMemDF = 0x04 // AfxCheckMemory on every alloc/free
|
|
};
|
|
|
|
// Advanced initialization: for overriding default diagnostics
|
|
extern "C" BOOL AFXAPI AfxDiagnosticInit(void);
|
|
|
|
// turn on/off tracking for a short while
|
|
BOOL AFXAPI AfxEnableMemoryTracking(BOOL bTrack);
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|
|
|
// Memory allocator failure simulation and control (_DEBUG only)
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|
|
|
// A failure hook returns whether to permit allocation
|
|
typedef BOOL (AFXAPI* AFX_ALLOC_HOOK)(size_t nSize, BOOL bObject, LONG lRequestNumber);
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|
|
|
// Set new hook, return old (never NULL)
|
|
AFX_ALLOC_HOOK AFXAPI AfxSetAllocHook(AFX_ALLOC_HOOK pfnAllocHook);
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|
|
#ifndef _PORTABLE
|
|
// Debugger hook on specified allocation request - Obsolete
|
|
void AFXAPI AfxSetAllocStop(LONG lRequestNumber);
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|
#endif
|
|
|
|
struct CBlockHeader;
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|
|
|
// Memory state for snapshots/leak detection
|
|
struct CMemoryState
|
|
{
|
|
// Attributes
|
|
enum blockUsage
|
|
{
|
|
freeBlock, // memory not used
|
|
objectBlock, // contains a CObject derived class object
|
|
bitBlock, // contains ::operator new data
|
|
nBlockUseMax // total number of usages
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|
};
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|
|
|
struct CBlockHeader* m_pBlockHeader;
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|
LONG m_lCounts[nBlockUseMax];
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|
LONG m_lSizes[nBlockUseMax];
|
|
LONG m_lHighWaterCount;
|
|
LONG m_lTotalCount;
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|
|
|
CMemoryState();
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|
|
|
// Operations
|
|
void Checkpoint(); // fill with current state
|
|
BOOL Difference(const CMemoryState& oldState,
|
|
const CMemoryState& newState); // fill with difference
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|
|
|
// Output to afxDump
|
|
void DumpStatistics() const;
|
|
void DumpAllObjectsSince() const;
|
|
};
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|
|
|
// Enumerate allocated objects or runtime classes
|
|
void AFXAPI AfxDoForAllObjects(void (*pfn)(CObject* pObject,
|
|
void* pContext), void* pContext);
|
|
void AFXAPI AfxDoForAllClasses(void (*pfn)(const CRuntimeClass* pClass,
|
|
void* pContext), void* pContext);
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|
|
|
#else
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|
|
|
// NonDebug version that assume everything is OK
|
|
#define DEBUG_NEW new
|
|
#define AfxCheckMemory() TRUE
|
|
#define AfxIsMemoryBlock(p, nBytes) TRUE
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|
|
|
#endif // _DEBUG
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Archives for serializing CObject data
|
|
|
|
// needed for implementation
|
|
class CPtrArray;
|
|
class CMapPtrToWord;
|
|
class CDocument;
|
|
|
|
class CArchive
|
|
{
|
|
public:
|
|
// Flag values
|
|
enum Mode { store = 0, load = 1, bNoFlushOnDelete = 2 };
|
|
|
|
CArchive(CFile* pFile, UINT nMode, int nBufSize = 512, void FAR* lpBuf = NULL);
|
|
~CArchive();
|
|
|
|
// Attributes
|
|
BOOL IsLoading() const;
|
|
BOOL IsStoring() const;
|
|
BOOL IsBufferEmpty() const;
|
|
CFile* GetFile() const;
|
|
|
|
CDocument* m_pDocument; // pointer to document being serialized
|
|
// must set to serialize COleClientItems
|
|
// in a document!
|
|
|
|
// Operations
|
|
UINT Read(void FAR* lpBuf, UINT nMax);
|
|
void Write(const void FAR* lpBuf, UINT nMax);
|
|
void Flush();
|
|
void Close();
|
|
void Abort();
|
|
|
|
public:
|
|
// Object I/O is pointer based to avoid added construction overhead.
|
|
// Use the Serialize member function directly for embedded objects.
|
|
friend CArchive& AFXAPI operator<<(CArchive& ar, const CObject* pOb);
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|
|
|
friend CArchive& AFXAPI operator>>(CArchive& ar, CObject*& pOb);
|
|
friend CArchive& AFXAPI operator>>(CArchive& ar, const CObject*& pOb);
|
|
|
|
// insertion operations
|
|
// NOTE: operators available only for fixed size types for portability
|
|
CArchive& operator<<(BYTE by);
|
|
CArchive& operator<<(WORD w);
|
|
CArchive& operator<<(LONG l);
|
|
CArchive& operator<<(DWORD dw);
|
|
CArchive& operator<<(float f);
|
|
CArchive& operator<<(double d);
|
|
|
|
// extraction operations
|
|
// NOTE: operators available only for fixed size types for portability
|
|
CArchive& operator>>(BYTE& by);
|
|
CArchive& operator>>(WORD& w);
|
|
CArchive& operator>>(DWORD& dw);
|
|
CArchive& operator>>(LONG& l);
|
|
CArchive& operator>>(float& f);
|
|
CArchive& operator>>(double& d);
|
|
|
|
CObject* ReadObject(const CRuntimeClass* pClass);
|
|
void WriteObject(const CObject* pOb);
|
|
|
|
// Implementation
|
|
public:
|
|
BOOL m_bForceFlat; // for COleClientItem implementation (default TRUE)
|
|
void FillBuffer(UINT nBytesNeeded);
|
|
|
|
protected:
|
|
// archive objects cannot be copied or assigned
|
|
CArchive(const CArchive& arSrc);
|
|
void operator=(const CArchive& arSrc);
|
|
|
|
BOOL m_nMode;
|
|
BOOL m_bUserBuf;
|
|
int m_nBufSize;
|
|
CFile* m_pFile;
|
|
BYTE FAR* m_lpBufCur;
|
|
BYTE FAR* m_lpBufMax;
|
|
BYTE FAR* m_lpBufStart;
|
|
|
|
UINT m_nMapCount; // count and map used when storing
|
|
union
|
|
{
|
|
CPtrArray* m_pLoadArray;
|
|
CMapPtrToWord* m_pStoreMap;
|
|
};
|
|
};
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Diagnostic dumping
|
|
|
|
class CDumpContext
|
|
{
|
|
public:
|
|
CDumpContext(CFile* pFile);
|
|
|
|
// Attributes
|
|
int GetDepth() const; // 0 => this object, 1 => children objects
|
|
void SetDepth(int nNewDepth);
|
|
|
|
// Operations
|
|
CDumpContext& operator<<(LPCSTR lpsz);
|
|
CDumpContext& operator<<(const void FAR* lp);
|
|
#ifdef _NEARDATA
|
|
CDumpContext& operator<<(const void NEAR* np);
|
|
#endif
|
|
CDumpContext& operator<<(const CObject* pOb);
|
|
CDumpContext& operator<<(const CObject& ob);
|
|
CDumpContext& operator<<(BYTE by);
|
|
CDumpContext& operator<<(WORD w);
|
|
CDumpContext& operator<<(UINT u);
|
|
CDumpContext& operator<<(LONG l);
|
|
CDumpContext& operator<<(DWORD dw);
|
|
CDumpContext& operator<<(float f);
|
|
CDumpContext& operator<<(double d);
|
|
CDumpContext& operator<<(int n);
|
|
void HexDump(const char* pszLine, BYTE* pby, int nBytes, int nWidth);
|
|
void Flush();
|
|
|
|
// Implementation
|
|
protected:
|
|
// dump context objects cannot be copied or assigned
|
|
CDumpContext(const CDumpContext& dcSrc);
|
|
void operator=(const CDumpContext& dcSrc);
|
|
void OutputString(LPCSTR lpsz);
|
|
|
|
int m_nDepth;
|
|
|
|
public:
|
|
CFile* m_pFile;
|
|
};
|
|
|
|
#ifdef _DEBUG
|
|
#ifdef _AFXCTL
|
|
extern CDumpContext& AFXAPP_DATA afxDump;
|
|
#else
|
|
extern CDumpContext& NEAR afxDump;
|
|
#endif
|
|
|
|
extern "C" { extern BOOL NEAR afxTraceEnabled; }
|
|
#endif
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Inline function declarations
|
|
|
|
// macro to get ambient pointer from far pointer
|
|
// (original pointer must have been ambient)
|
|
#define _AfxGetPtrFromFarPtr(p) ((void*)(DWORD)(LPVOID)(p))
|
|
|
|
#ifdef _AFX_ENABLE_INLINES
|
|
#define _AFX_INLINE inline
|
|
#include <afx.inl>
|
|
#endif
|
|
|
|
#undef AFXAPP_DATA
|
|
#define AFXAPP_DATA NEAR
|
|
|
|
#endif // __AFX_H__
|