124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
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/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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WSTRING.H
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Abstract:
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Utility string class
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History:
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a-raymcc 30-May-96 Created.
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a-dcrews 16-Mar-99 Added out-of-memory exception handling
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--*/
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#ifndef _WSTRING_H_
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#define _WSTRING_H_
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#include "corepol.h"
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#include <strutils.h>
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class POLARITY WString
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{
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private:
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wchar_t *m_pString;
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void DeleteString(wchar_t *pStr);
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public:
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enum { leading = 0x1, trailing = 0x2 };
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WString(wchar_t *pSrc, BOOL bAcquire = FALSE);
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WString(DWORD dwResourceID, HMODULE hMod); // creates from resource string
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WString(const wchar_t *pSrc);
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WString(const char *pSrc);
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// inline WString() { m_pString = g_szNullString; }
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WString();
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inline WString(const WString &Src) { m_pString = 0; *this = Src; }
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WString& operator =(const WString &);
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WString& operator =(LPCWSTR);
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inline ~WString() { DeleteString(m_pString); }
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inline int Length() const { return wcslen(m_pString); }
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WString& operator +=(const WString &Other);
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WString& operator +=(const wchar_t *);
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WString& operator +=(wchar_t);
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inline operator const wchar_t *() const { return m_pString; }
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inline operator wchar_t *() { return m_pString; }
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wchar_t operator[](int nIndex) const;
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LPSTR GetLPSTR() const;
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inline BOOL Equal(const wchar_t *pTarget) const
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{ return wcscmp(m_pString, pTarget) == 0; }
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inline BOOL EqualNoCase(const wchar_t *pTarget) const
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{ return wbem_wcsicmp(m_pString, pTarget) == 0; }
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inline BOOL operator< (LPCWSTR wszTarget) const
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{ return wcscmp(m_pString, wszTarget) < 0; }
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inline BOOL operator> (LPCWSTR wszTarget) const
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{ return wcscmp(m_pString, wszTarget) > 0; }
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inline BOOL operator<= (LPCWSTR wszTarget) const
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{ return wcscmp(m_pString, wszTarget) <= 0; }
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inline BOOL operator>= (LPCWSTR wszTarget) const
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{ return wcscmp(m_pString, wszTarget) >= 0; }
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LPWSTR UnbindPtr();
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inline void BindPtr(LPWSTR ptr) { DeleteString(m_pString); m_pString = ptr; }
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void Empty();
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WString& StripWs(int nType);
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// Strip whitespace, use with a combination
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// of leading | trailing
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WString& TruncAtRToken(wchar_t Token);
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// Truncates the string at the token starting from the
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// right end. The token itself is also wiped out.
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WString& TruncAtLToken(wchar_t Token);
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WString& StripToToken(wchar_t Token, BOOL bIncludeToken);
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// Strips leading chars until the token is encountered.
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// If bIncludeTok==TRUE, strips the token too.
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wchar_t *GetLToken(wchar_t wcToken) const;
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// Gets the first occurrence of wcToken in the string or NULL
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WString operator()(int, int) const;
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// Returns a new WString based on the slice
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BOOL ExtractToken(const wchar_t * pDelimiters, WString &Extract);
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// Extracts the leading chars up to the token delimiter,
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// Removing the token from *this, and assigning the extracted
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// part to <Extract>.
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BOOL ExtractToken(wchar_t Delimiter, WString &Extract);
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// Extracts the leading chars up to the token delimiter,
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// Removing the token from *this, and assigning the extracted
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// part to <Extract>.
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BOOL WildcardTest(const wchar_t *pTestStr) const;
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// Tests *this against the wildcard string. If a match,
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// returns TRUE, else FALSE.
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void Unquote();
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// Removes leading/trailing quotes, if any.
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// Leaves escaped quotes intact.
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WString EscapeQuotes() const;
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};
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class WSiless
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{
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public:
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inline bool operator()(const WString& ws1, const WString& ws2) const
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{return wbem_wcsicmp(ws1, ws2) < 0;}
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};
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#endif
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