Source code of Windows XP (NT5)
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//=--------------------------------------------------------------------------=
// Util.H
//=--------------------------------------------------------------------------=
// Copyright 1995-1997 Microsoft Corporation. All Rights Reserved.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//=--------------------------------------------------------------------------=
//
// contains utilities that we will find useful.
//
#ifndef _UTIL_H_
//=--------------------------------------------------------------------------=
// miscellaneous [useful] numerical constants
//=--------------------------------------------------------------------------=
//=--------------------------------------------------------------------------=
// allocates a temporary buffer that will disappear when it goes out of scope
// NOTE: be careful of that -- make sure you use the string in the same or
// nested scope in which you created this buffer. people should not use this
// class directly. use the macro(s) below.
//
class TempBuffer {
public:
TempBuffer(ULONG cBytes) {
m_pBuf = (cBytes <= 120) ? &m_szTmpBuf : lcMalloc(cBytes);
m_fHeapAlloc = (cBytes > 120);
}
~TempBuffer() {
if (m_pBuf && m_fHeapAlloc)
lcFree(m_pBuf);
}
void *GetBuffer() {
return m_pBuf;
}
private:
void *m_pBuf;
// we'll use this temp buffer for small cases.
//
char m_szTmpBuf[120];
unsigned m_fHeapAlloc:1;
};
//=--------------------------------------------------------------------------=
// string helpers.
//
// given and ANSI String, copy it into a wide buffer.
// be careful about scoping when using this macro!
//
// how to use the below two macros:
//
// ...
// LPSTR pszA;
// pszA = MyGetAnsiStringRoutine();
// MAKE_WIDEPTR_FROMANSI(pwsz, pszA);
// MyUseWideStringRoutine(pwsz);
// ...
//
// similarily for MAKE_ANSIPTR_FROMWIDE. note that the first param does not
// have to be declared, and no clean up must be done.
//
#define MAKE_WIDEPTR_FROMANSI(ptrname, ansistr) \
long __l##ptrname = (lstrlen(ansistr) + 1) * sizeof(WCHAR); \
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
MultiByteToWideChar(CP_ACP, 0, ansistr, -1, (LPWSTR)__TempBuffer##ptrname.GetBuffer(), __l##ptrname); \
LPWSTR ptrname = (LPWSTR)__TempBuffer##ptrname.GetBuffer()
#define MAKE_ANSIPTR_FROMWIDE(ptrname, widestr) \
long __l##ptrname = (lstrlenW(widestr) + 1) * sizeof(WCHAR); \
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
WideCharToMultiByte(CP_ACP, 0, widestr, -1, (LPSTR)__TempBuffer##ptrname.GetBuffer(), __l##ptrname, NULL, NULL); \
LPSTR ptrname = (LPSTR)__TempBuffer##ptrname.GetBuffer()
BOOL NoRun( void );
BOOL IsFile( LPCSTR lpszPathname );
BOOL IsDirectory( LPCSTR lpszPathname );
void __cdecl SplitPath (
register const char *path,
char *drive,
char *dir,
char *fname,
char *ext
);
// Normalize the URL by stripping off protocol, storage type, storage name goo from the URL then make sure
// we only have forward slashes.
void NormalizeUrlInPlace(LPSTR szURL) ;
// Get the moniker for the filename. For a col, its the moniker of the master chm.
bool NormalizeFileName(CStr& cszFileName) ;
void QRect(HDC hdc, INT x, INT y, INT cx, INT cy, INT color);
// To create a global window type, use the following prefix.
const char GLOBAL_WINDOWTYPE_PREFIX[] = "$global_" ;
const wchar_t GLOBAL_WINDOWTYPE_PREFIX_W[] = L"$global_" ;
// Hack for Office.
const char GLOBAL_WINDOWTYPE_PREFIX_OFFICE[] = "MSO_Small" ;
const wchar_t GLOBAL_WINDOWTYPE_PREFIX_OFFICE_W[] = L"MSO_Small" ;
// Determine if the wintype is a global wintype.
bool IsGlobalWinType(const char* szType) ;
// Determine if the wintype is a global wintype.
bool IsGlobalWinTypeW(LPCWSTR szType) ;
// Checks for the http: reference. Assumes its a URL if this exists.
inline bool
IsHttp(const char* szUrl)
{
if (szUrl)
return (stristr(szUrl, txtHttpHeader) != 0); // Is this a internet URL?
else
return false;
}
///////////////////////////////////////////////////////////
//
// NT Keyboard hidden UI support functions.
//
void UiStateInitialize(HWND hwnd) ;
void UiStateChangeOnTab(HWND hwnd) ;
void UiStateChangeOnAlt(HWND hwnd) ;
#define _UTIL_H_
#endif // _UTIL_H_