X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/db18be579249298716e35521cc060bda248c0efe..d23bf09c7fbbe4f026d61043e55c81cfc4a6bef2:/include/wx/unichar.h diff --git a/include/wx/unichar.h b/include/wx/unichar.h index 03b26cca2c..e3bfb4c587 100644 --- a/include/wx/unichar.h +++ b/include/wx/unichar.h @@ -15,28 +15,23 @@ #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)) - #define wxWINT_T_IS_SEPARATE_TYPE +#ifndef wxWCHAR_T_IS_SEPARATE_TYPE + // older versions of VC++ have wchar_t as typedef by default; this is + // configurable, so we have to check which behaviour is enabled + #if defined(__VISUALC__) && !defined(_NATIVE_WCHAR_T_DEFINED) + #define wxWCHAR_T_IS_SEPARATE_TYPE 0 + #else + #define wxWCHAR_T_IS_SEPARATE_TYPE 1 + #endif #endif -// helper macro for doing something dependent on whether wint_t is or isn't a +// helper macro for doing something dependent on whether wchar_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 +#if wxWCHAR_T_IS_SEPARATE_TYPE + #define wxIF_WCHAR_T_TYPE(x) x +#else // !wxWCHAR_T_IS_SEPARATE_TYPE + #define wxIF_WCHAR_T_TYPE(x) +#endif // wxWCHAR_T_IS_SEPARATE_TYPE/!wxWCHAR_T_IS_SEPARATE_TYPE class WXDLLIMPEXP_BASE wxUniCharRef; class WXDLLIMPEXP_BASE wxStringIteratorNode; @@ -59,18 +54,35 @@ public: wxUniChar(unsigned char c) { m_value = From8bit((char)c); } // Create the character from a wchar_t character value. +#if wxWCHAR_T_IS_SEPARATE_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); // Returns Unicode code point value of the character value_type GetValue() const { return m_value; } +#if wxUSE_UNICODE_UTF8 + // buffer for single UTF-8 character + struct Utf8CharBuffer + { + char data[5]; + operator const char*() const { return data; } + }; + + // returns the character encoded as UTF-8 + // (NB: implemented in stringops.cpp) + Utf8CharBuffer AsUTF8() const; +#endif // wxUSE_UNICODE_UTF8 + // Returns true if the character is an ASCII character: bool IsAscii() const { return m_value < 0x80; } @@ -78,21 +90,16 @@ 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; } -#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_SEPARATE_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, @@ -101,22 +108,24 @@ public: // operator unspecified_bool_type() would only makes the ambiguity worse.) operator bool() const { return m_value != 0; } bool operator!() const { return !((bool)*this); } -#if (defined(__VISUALC__) && __VISUALC__ < 1400) || \ - defined(__DIGITALMARS__) || defined(__BORLANDC__) - // We need this for VC++ < 8 or DigitalMars and expressions like - // "str[0] && *p": + + // And this one is needed by some (not all, but not using ifdefs makes the + // code easier) compilers to parse "str[0] && *p" successfully bool operator&&(bool v) const { return (bool)*this && v; } -#endif // Assignment operators: wxUniChar& operator=(const wxUniChar& c) { m_value = c.m_value; return *this; } 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_SEPARATE_TYPE wxUniChar& operator=(wchar_t c) { m_value = c; return *this; } - wxUniChar& operator=(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=(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; } + 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: @@ -125,9 +134,13 @@ 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; } \ - wxIF_WINT_T_TYPE( bool operator op(wint_t 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; } \ + bool operator op(unsigned long int c) const { return m_value op (value_type)c; } wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHAR_OPERATOR) @@ -138,9 +151,7 @@ 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); @@ -182,6 +193,11 @@ public: #endif wxUniChar::value_type GetValue() const { return UniChar().GetValue(); } + +#if wxUSE_UNICODE_UTF8 + wxUniChar::Utf8CharBuffer AsUTF8() const { return UniChar().AsUTF8(); } +#endif // wxUSE_UNICODE_UTF8 + bool IsAscii() const { return UniChar().IsAscii(); } // Assignment operators: @@ -196,31 +212,33 @@ public: wxUniCharRef& operator=(char c) { return *this = wxUniChar(c); } wxUniCharRef& operator=(unsigned char c) { return *this = wxUniChar(c); } +#if wxWCHAR_T_IS_SEPARATE_TYPE wxUniCharRef& operator=(wchar_t c) { return *this = wxUniChar(c); } - wxUniCharRef& operator=(int c) { return *this = wxUniChar(c); } -#ifdef wxWINT_T_IS_SEPARATE_TYPE - wxUniCharRef& operator=(wint_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); } + 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 unsigned char() const { return UniChar(); } +#if wxWCHAR_T_IS_SEPARATE_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(); } bool operator!() const { return !UniChar(); } -#if (defined(__VISUALC__) && __VISUALC__ < 1400) || \ - defined(__DIGITALMARS__) || defined(__BORLANDC__) bool operator&&(bool v) const { return UniChar() && v; } -#endif // Comparison operators: #define wxDEFINE_UNICHARREF_OPERATOR(op) \ @@ -228,9 +246,13 @@ 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; } \ - wxIF_WINT_T_TYPE( bool operator op(wint_t 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; } \ + bool operator op(unsigned long int c) const { return UniChar() op c; } wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHARREF_OPERATOR) @@ -242,9 +264,6 @@ 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 @@ -279,11 +298,6 @@ 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 @@ -292,8 +306,5 @@ 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_ */