hlxosstr.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef HLXOSSTR_H
- #define HLXOSSTR_H
- #ifdef __cplusplus
- #include "hxtypes.h"
- #include "hlxclib/stdlib.h"
- #include "hlxclib/string.h"
- /*
- * Simple class for simple in-line Unicode conversion
- * Handles conversions in both directions as well as handling mutable
- * conversions as follows:
- *
- * void f()
- * {
- * char s[100];
- * UnicodeFunctionWithSideEffect(HLXOsStrW(s));
- *
- * if (strcmp(s, "Desired output")
- * {
- * ...
- * }
- * }
- * Since HLXOsStrW() is constructed as char* rather than const char*.
- * ~HLXOsStrW() will convert the Unicode back to ascii
- *
- */
- class HLXOsStrW
- {
- public:
- HLXOsStrW() : m_isMutable(FALSE), m_toAscii(FALSE), m_size(0), m_uni(0), m_ascii(0) { }
-
- HLXOsStrW(char* ascii, size_t length = (size_t)-1);
- HLXOsStrW(const char* ascii, size_t length = (size_t)-1);
- HLXOsStrW(const unsigned char* ascii, size_t length = (size_t)-1);
- HLXOsStrW(const wchar_t* uni, size_t length = (size_t)-1);
- operator wchar_t*() { return m_uni; }
- operator const char*() { return (const char*) m_ascii; }
- operator const unsigned char*() { return (const unsigned char*) m_ascii; }
- operator char*() { return m_ascii; }
- operator unsigned char*() { return (unsigned char*) m_ascii; }
- ~HLXOsStrW();
- HLXOsStrW(const HLXOsStrW& rhs);
- HLXOsStrW& operator=(const HLXOsStrW& rhs);
- protected:
- inline void Copy(HLXOsStrW& lhs, const HLXOsStrW& rhs);
- inline void Init(const char* ascii, size_t length);
- BOOL m_isMutable;
- BOOL m_toAscii;
- int m_size;
- int m_outsize;
- wchar_t* m_uni;
- char* m_ascii;
- };
- /*
- * Pass through object for ascii strings. This allows
- * us to bypass type checking for situations where the
- * parameter we are handed is const and the OS call takes
- * something non-const.
- */
- class HLXOsStrA
- {
- public:
- HLXOsStrA() : m_str(0) {}
- HLXOsStrA(const char* str, size_t length = (size_t)-1) : m_str((char*)str) {}
- HLXOsStrA(const unsigned char* str, size_t length = (size_t)-1) : m_str((char*)str) {}
- operator char* () const { return m_str; }
- operator unsigned char* () const { return (unsigned char*)m_str; }
- operator const char* () const { return (const char*)m_str; }
- operator const unsigned char* () const { return (const unsigned char*)m_str; }
- private:
- char* m_str;
- };
- #if defined(WIN32_PLATFORM_PSPC)
- #define OS_STRING_TYPE HLXOsStrW
- #define OS_TEXT_PTR wchar_t*
- #elif defined(_SYMBIAN) && defined(_UNICODE)
- #define OS_STRING_TYPE HLXOsStrW
- #define OS_TEXT_PTR wchar_t*
- #else // default
- #define OS_STRING_TYPE HLXOsStrA
- #define OS_TEXT_PTR char*
- #endif /* defined(WIN32_PLATFORM_PSPC) */
- #define OS_STRING(str) OS_STRING_TYPE(str)
- #define OS_STRING2(str, size) OS_STRING_TYPE(str, size)
- #else /* __cplusplus */
- /* No C++?!? You're on your own. Have fun with the type checker */
- #define OS_STRING_TYPE char*
- #define OS_STRING(str) str
- #define OS_STRING2(str, size) str
- #define OS_TEXT_PTR char*
- #endif /* __cplusplus */
- #endif /* HLXOSSTR_H */