fixes to wint_t and wchar_t handling in unichar.h (fixes FreeBSD compilation and Mingw compilation with -pedantic)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46967 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2007-06-26 20:44:58 +00:00
parent 1f3b7817eb
commit 21f0762a1a
5 changed files with 154 additions and 69 deletions

View File

@@ -15,29 +15,22 @@
#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
#ifndef wxWCHAR_T_IS_SEPARATE_TYPE
#ifdef __GNUG__
#define wxWCHAR_T_IS_SEPARATE_TYPE
#endif
#if defined(__VISUALC__) && defined(_NATIVE_WCHAR_T_DEFINED)
#define wxWCHAR_T_IS_SEPARATE_TYPE
#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
#ifdef 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;
@@ -60,13 +53,16 @@ public:
wxUniChar(unsigned char c) { m_value = From8bit((char)c); }
// Create the character from a wchar_t character value.
#ifdef 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);
@@ -93,22 +89,16 @@ 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; }
#ifdef wxWCHAR_T_IS_SEPARATE_TYPE
operator wchar_t() const { return m_value; }
#endif
operator int() const { return m_value; }
operator unsigned int() const { return m_value; }
operator long int() const { return m_value; }
operator unsigned long int() const { return m_value; }
operator short int() const { return m_value; }
operator unsigned short int() const { return m_value; }
// We need this operator for the "*p" part of expressions like "for (
// const_iterator p = begin() + nStart; *p; ++p )". In this case,
@@ -126,12 +116,15 @@ public:
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; }
#ifdef wxWCHAR_T_IS_SEPARATE_TYPE
wxUniChar& operator=(wchar_t c) { m_value = c; return *this; }
wxUniChar& operator=(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=(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:
@@ -140,10 +133,13 @@ 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)
@@ -154,9 +150,7 @@ 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);
@@ -217,25 +211,28 @@ public:
wxUniCharRef& operator=(char c) { return *this = wxUniChar(c); }
wxUniCharRef& operator=(unsigned char c) { return *this = wxUniChar(c); }
#ifdef wxWCHAR_T_IS_SEPARATE_TYPE
wxUniCharRef& operator=(wchar_t c) { return *this = wxUniChar(c); }
wxUniCharRef& operator=(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=(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 long int() const { return UniChar(); }
operator unsigned char() const { return UniChar(); }
#ifdef 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(); }
@@ -248,10 +245,13 @@ 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 +263,6 @@ 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
@@ -300,11 +297,6 @@ 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 +305,5 @@ 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_ */