X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/13f071c06b446aa8de9d0e14f2f799f251485c5f..01101e2da6f4493ce8cfcf4d9509163b9c264d58:/include/wx/unichar.h diff --git a/include/wx/unichar.h b/include/wx/unichar.h index 36c4b13587..6ce0789215 100644 --- a/include/wx/unichar.h +++ b/include/wx/unichar.h @@ -15,32 +15,8 @@ #include "wx/chartype.h" #include "wx/stringimpl.h" -// wint_t is just a typedef for wchar_t for many old compilers but for modern -// ones it's a separate type and we must provide a conversion to it to allow -// passing wxUniChar[Ref] to functions taking wint_t such as iswalnum() &c -#if (defined(__GNUC__) && \ - !defined(__DARWIN__) && !defined(__OS2__) && !defined(__DOS__)) || \ - (defined(__VISUALC__) && defined(_NATIVE_WCHAR_T_DEFINED)) || \ - wxCHECK_SUNCC_VERSION(5, 9) - #define wxWINT_T_IS_SEPARATE_TYPE -#endif - -// helper macro for doing something dependent on whether wint_t is or isn't a -// typedef inside another macro -#ifdef wxWINT_T_IS_SEPARATE_TYPE - #define wxIF_WINT_T_TYPE(x) x -#else // !wxWINT_T_IS_SEPARATE_TYPE - #define wxIF_WINT_T_TYPE(x) -#endif // wxWINT_T_IS_SEPARATE_TYPE/!wxWINT_T_IS_SEPARATE_TYPE - -// wchar_t seems to be defined as unsigned short by all Windows compilers but -// unsigned int everywhere else -#ifndef __WIN32__ - #define wxWCHAR_T_IS_UINT -#endif - -class WXDLLIMPEXP_BASE wxUniCharRef; -class WXDLLIMPEXP_BASE wxStringIteratorNode; +class WXDLLIMPEXP_FWD_BASE wxUniCharRef; +class WXDLLIMPEXP_FWD_BASE wxStringIteratorNode; // This class represents single Unicode character. It can be converted to // and from char or wchar_t and implements commonly used character operations. @@ -60,13 +36,16 @@ public: wxUniChar(unsigned char c) { m_value = From8bit((char)c); } // Create the character from a wchar_t character value. +#if wxWCHAR_T_IS_REAL_TYPE wxUniChar(wchar_t c) { m_value = c; } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - wxUniChar(wint_t c) { m_value = c; } #endif wxUniChar(int c) { m_value = c; } + wxUniChar(unsigned int c) { m_value = c; } wxUniChar(long int c) { m_value = c; } + wxUniChar(unsigned long int c) { m_value = c; } + wxUniChar(short int c) { m_value = c; } + wxUniChar(unsigned short int c) { m_value = c; } wxUniChar(const wxUniCharRef& c); @@ -93,22 +72,16 @@ public: // able to pass wxUniChars to verious standard narrow and wide character // functions operator char() const { return To8bit(m_value); } - operator wchar_t() const { return m_value; } - operator int() const { return m_value; } - operator long int() const { return m_value; } -#ifndef wxWCHAR_T_IS_UINT - operator unsigned int() const { return m_value; } -#endif - - // More conversions needed for other standard functions: uchar is for VC++ - // _mbxxx() ones (to which toxxx/isxxx() are mapped when _MBCS is defined) - // and some wide character functions take wint_t which happens to be the - // same as wchar_t for Windows compilers but not for g++ (except for the - // special Apple version) operator unsigned char() const { return (unsigned char)To8bit(m_value); } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - operator wint_t() const { return m_value; } +#if wxWCHAR_T_IS_REAL_TYPE + operator wchar_t() const { return (wchar_t)m_value; } #endif + operator int() const { return (int)m_value; } + operator unsigned int() const { return (unsigned int)m_value; } + operator long int() const { return (long int)m_value; } + operator unsigned long int() const { return (unsigned long)m_value; } + operator short int() const { return (short int)m_value; } + operator unsigned short int() const { return (unsigned short int)m_value; } // We need this operator for the "*p" part of expressions like "for ( // const_iterator p = begin() + nStart; *p; ++p )". In this case, @@ -124,14 +97,18 @@ public: // Assignment operators: wxUniChar& operator=(const wxUniChar& c) { m_value = c.m_value; return *this; } + wxUniChar& operator=(const wxUniCharRef& c); wxUniChar& operator=(char c) { m_value = From8bit(c); return *this; } wxUniChar& operator=(unsigned char c) { m_value = From8bit((char)c); return *this; } +#if wxWCHAR_T_IS_REAL_TYPE wxUniChar& operator=(wchar_t c) { m_value = c; return *this; } +#endif wxUniChar& operator=(int c) { m_value = c; return *this; } + wxUniChar& operator=(unsigned int c) { m_value = c; return *this; } wxUniChar& operator=(long int c) { m_value = c; return *this; } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - wxUniChar& operator=(wint_t c) { m_value = c; return *this; } -#endif + wxUniChar& operator=(unsigned long int c) { m_value = c; return *this; } + wxUniChar& operator=(short int c) { m_value = c; return *this; } + wxUniChar& operator=(unsigned short int c) { m_value = c; return *this; } // Comparison operators: @@ -140,10 +117,13 @@ public: bool operator op(const wxUniChar& c) const { return m_value op c.m_value; }\ bool operator op(char c) const { return m_value op From8bit(c); } \ bool operator op(unsigned char c) const { return m_value op From8bit((char)c); } \ - bool operator op(wchar_t c) const { return m_value op (value_type)c; } \ + wxIF_WCHAR_T_TYPE( bool operator op(wchar_t c) const { return m_value op (value_type)c; } ) \ bool operator op(int c) const { return m_value op (value_type)c; } \ + bool operator op(unsigned int c) const { return m_value op (value_type)c; } \ + bool operator op(short int c) const { return m_value op (value_type)c; } \ + bool operator op(unsigned short int c) const { return m_value op (value_type)c; } \ bool operator op(long int c) const { return m_value op (value_type)c; } \ - wxIF_WINT_T_TYPE( bool operator op(wint_t c) const { return m_value op (value_type)c; } ) + bool operator op(unsigned long int c) const { return m_value op (value_type)c; } wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHAR_OPERATOR) @@ -154,13 +134,30 @@ public: int operator-(char c) const { return m_value - From8bit(c); } int operator-(unsigned char c) const { return m_value - From8bit((char)c); } int operator-(wchar_t c) const { return m_value - (value_type)c; } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - int operator-(wint_t c) const { return m_value - (value_type)c; } -#endif + private: - static value_type From8bit(char c); - static char To8bit(value_type c); + // notice that we implement these functions inline for 7-bit ASCII + // characters purely for performance reasons + static value_type From8bit(char c) + { + if ( (unsigned char)c < 0x80 ) + return c; + + return FromHi8bit(c); + } + + static char To8bit(value_type c) + { + if ( c < 0x80 ) + return c; + + return ToHi8bit(c); + } + + // helpers of the functions above called to deal with non-ASCII chars + static value_type FromHi8bit(char c); + static char ToHi8bit(value_type c); private: value_type m_value; @@ -217,25 +214,28 @@ public: wxUniCharRef& operator=(char c) { return *this = wxUniChar(c); } wxUniCharRef& operator=(unsigned char c) { return *this = wxUniChar(c); } +#if wxWCHAR_T_IS_REAL_TYPE wxUniCharRef& operator=(wchar_t c) { return *this = wxUniChar(c); } +#endif wxUniCharRef& operator=(int c) { return *this = wxUniChar(c); } + wxUniCharRef& operator=(unsigned int c) { return *this = wxUniChar(c); } + wxUniCharRef& operator=(short int c) { return *this = wxUniChar(c); } + wxUniCharRef& operator=(unsigned short int c) { return *this = wxUniChar(c); } wxUniCharRef& operator=(long int c) { return *this = wxUniChar(c); } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - wxUniCharRef& operator=(wint_t c) { return *this = wxUniChar(c); } -#endif + wxUniCharRef& operator=(unsigned long int c) { return *this = wxUniChar(c); } // Conversions to the same types as wxUniChar is convertible too: operator char() const { return UniChar(); } - operator int() const { return UniChar(); } - operator long int() const { return UniChar(); } operator unsigned char() const { return UniChar(); } +#if wxWCHAR_T_IS_REAL_TYPE operator wchar_t() const { return UniChar(); } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - operator wint_t() const { return UniChar(); } #endif -#ifndef wxWCHAR_T_IS_UINT + operator int() const { return UniChar(); } operator unsigned int() const { return UniChar(); } -#endif + operator short int() const { return UniChar(); } + operator unsigned short int() const { return UniChar(); } + operator long int() const { return UniChar(); } + operator unsigned long int() const { return UniChar(); } // see wxUniChar::operator bool etc. for explanation operator bool() const { return (bool)UniChar(); } @@ -248,10 +248,13 @@ public: bool operator op(const wxUniChar& c) const { return UniChar() op c; } \ bool operator op(char c) const { return UniChar() op c; } \ bool operator op(unsigned char c) const { return UniChar() op c; } \ - bool operator op(wchar_t c) const { return UniChar() op c; } \ + wxIF_WCHAR_T_TYPE( bool operator op(wchar_t c) const { return UniChar() op c; } ) \ bool operator op(int c) const { return UniChar() op c; } \ + bool operator op(unsigned int c) const { return UniChar() op c; } \ + bool operator op(short int c) const { return UniChar() op c; } \ + bool operator op(unsigned short int c) const { return UniChar() op c; } \ bool operator op(long int c) const { return UniChar() op c; } \ - wxIF_WINT_T_TYPE( bool operator op(wint_t c) const { return UniChar() op c; } ) + bool operator op(unsigned long int c) const { return UniChar() op c; } wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHARREF_OPERATOR) @@ -263,9 +266,6 @@ public: int operator-(char c) const { return UniChar() - c; } int operator-(unsigned char c) const { return UniChar() - c; } int operator-(wchar_t c) const { return UniChar() - c; } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - int operator-(wint_t c) const { return UniChar() - c; } -#endif private: #if wxUSE_UNICODE_UTF8 @@ -274,7 +274,7 @@ private: wxUniChar UniChar() const { return *m_pos; } #endif - friend class WXDLLIMPEXP_BASE wxUniChar; + friend class WXDLLIMPEXP_FWD_BASE wxUniChar; private: // reference to the string and pointer to the character in string @@ -289,6 +289,12 @@ inline wxUniChar::wxUniChar(const wxUniCharRef& c) m_value = c.UniChar().m_value; } +inline wxUniChar& wxUniChar::operator=(const wxUniCharRef& c) +{ + m_value = c.UniChar().m_value; + return *this; +} + // Comparison operators for the case when wxUniChar(Ref) is the second operand // implemented in terms of member comparison functions @@ -300,11 +306,6 @@ wxDEFINE_COMPARISONS(char, const wxUniCharRef&, wxCMP_REVERSE) wxDEFINE_COMPARISONS(wchar_t, const wxUniChar&, wxCMP_REVERSE) wxDEFINE_COMPARISONS(wchar_t, const wxUniCharRef&, wxCMP_REVERSE) -#ifdef wxWINT_T_IS_SEPARATE_TYPE -wxDEFINE_COMPARISONS(wint_t, const wxUniChar&, wxCMP_REVERSE) -wxDEFINE_COMPARISONS(wint_t, const wxUniCharRef&, wxCMP_REVERSE) -#endif - wxDEFINE_COMPARISONS(const wxUniChar&, const wxUniCharRef&, wxCMP_REVERSE) #undef wxCMP_REVERSE @@ -313,8 +314,5 @@ wxDEFINE_COMPARISONS(const wxUniChar&, const wxUniCharRef&, wxCMP_REVERSE) inline int operator-(char c1, const wxUniCharRef& c2) { return -(c2 - c1); } inline int operator-(const wxUniChar& c1, const wxUniCharRef& c2) { return -(c2 - c1); } inline int operator-(wchar_t c1, const wxUniCharRef& c2) { return -(c2 - c1); } -#ifdef wxWINT_T_IS_SEPARATE_TYPE -inline int operator-(wint_t c1, const wxUniCharRef& c2) { return -(c2 - c1); } -#endif #endif /* _WX_UNICHAR_H_ */