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