X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/03647350fc7cd141953c72e0284e928847d30f44..43ff861df48f0837dac98005dd397c5f127ca136:/include/wx/string.h?ds=inline diff --git a/include/wx/string.h b/include/wx/string.h index 9ab7f3f10a..f51d3f0660 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -225,19 +225,19 @@ public: inline ~wxCStrData(); - // methods defined inline below must be declared inline or mingw32 3.4.5 - // warns about " defined locally after being referenced with - // dllimport linkage" -#if wxUSE_UNICODE_WCHAR - inline -#endif - const wchar_t* AsWChar() const; + // AsWChar() and AsChar() can't be defined here as they use wxString and so + // must come after it and because of this won't be inlined when called from + // wxString methods (without a lot of work to extract these wxString methods + // from inside the class itself). But we still define them being inline + // below to let compiler inline them from elsewhere. And because of this we + // must declare them as inline here because otherwise some compilers give + // warnings about them, e.g. mingw32 3.4.5 warns about " defined + // locally after being referenced with dllimport linkage" while IRIX + // mipsPro 7.4 warns about "function declared inline after being called". + inline const wchar_t* AsWChar() const; operator const wchar_t*() const { return AsWChar(); } -#if !wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY - inline -#endif - const char* AsChar() const; + inline const char* AsChar() const; const unsigned char* AsUnsignedChar() const { return (const unsigned char *) AsChar(); } operator const char*() const { return AsChar(); } @@ -1004,6 +1004,16 @@ public: iterator operator-(ptrdiff_t n) const { return iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); } + // Normal iterators need to be comparable with the const_iterators so + // declare the comparison operators and implement them below after the + // full const_iterator declaration. + bool operator==(const const_iterator& i) const; + bool operator!=(const const_iterator& i) const; + bool operator<(const const_iterator& i) const; + bool operator>(const const_iterator& i) const; + bool operator<=(const const_iterator& i) const; + bool operator>=(const const_iterator& i) const; + private: iterator(wxString *wxstr, underlying_iterator ptr) : m_cur(ptr), m_node(wxstr, &m_cur) {} @@ -1048,6 +1058,11 @@ public: const_iterator operator-(ptrdiff_t n) const { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); } + // Notice that comparison operators taking non-const iterator are not + // needed here because of the implicit conversion from non-const iterator + // to const ones ensure that the versions for const_iterator declared + // inside WX_STR_ITERATOR_IMPL can be used. + private: // for internal wxString use only: const_iterator(const wxString *wxstr, underlying_iterator ptr) @@ -1083,6 +1098,15 @@ public: iterator operator-(ptrdiff_t n) const { return iterator(wxStringOperations::AddToIter(m_cur, -n)); } + // As in UTF-8 case above, define comparison operators taking + // const_iterator too. + bool operator==(const const_iterator& i) const; + bool operator!=(const const_iterator& i) const; + bool operator<(const const_iterator& i) const; + bool operator>(const const_iterator& i) const; + bool operator<=(const const_iterator& i) const; + bool operator>=(const const_iterator& i) const; + private: // for internal wxString use only: iterator(underlying_iterator ptr) : m_cur(ptr) {} @@ -1110,6 +1134,11 @@ public: const_iterator operator-(ptrdiff_t n) const { return const_iterator(wxStringOperations::AddToIter(m_cur, -n)); } + // As in UTF-8 case above, we don't need comparison operators taking + // iterator because we have an implicit conversion from iterator to + // const_iterator so the operators declared by WX_STR_ITERATOR_IMPL will + // be used. + private: // for internal wxString use only: const_iterator(underlying_iterator ptr) : m_cur(ptr) {} @@ -1341,33 +1370,57 @@ public: // Unlike ctor from std::string, we provide conversion to std::string only // if wxUSE_STL and not merely wxUSE_STD_STRING (which is on by default), - // because it conflicts with operator const char/wchar_t*: -#if wxUSE_STL + // because it conflicts with operator const char/wchar_t* but we still + // provide explicit conversions to std::[w]string for convenience in any case +#if wxUSE_STD_STRING + // We can avoid a copy if we already use this string type internally, + // otherwise we create a copy on the fly: #if wxUSE_UNICODE_WCHAR && wxUSE_STL_BASED_WXSTRING - // wxStringImpl is std::string in the encoding we want - operator const wxStdWideString&() const { return m_impl; } + #define wxStringToStdWstringRetType const wxStdWideString& + const wxStdWideString& ToStdWstring() const { return m_impl; } #else // wxStringImpl is either not std::string or needs conversion - operator wxStdWideString() const + #define wxStringToStdWstringRetType wxStdWideString + wxStdWideString ToStdWstring() const { +#if wxUSE_UNICODE_WCHAR + wxScopedWCharBuffer buf = + wxScopedWCharBuffer::CreateNonOwned(m_impl.c_str(), m_impl.length()); +#else // !wxUSE_UNICODE_WCHAR wxScopedWCharBuffer buf(wc_str()); +#endif + return wxStdWideString(buf.data(), buf.length()); } #endif #if (!wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY) && wxUSE_STL_BASED_WXSTRING // wxStringImpl is std::string in the encoding we want - operator const std::string&() const { return m_impl; } + #define wxStringToStdStringRetType const std::string& + const std::string& ToStdString() const { return m_impl; } #else // wxStringImpl is either not std::string or needs conversion - operator std::string() const + #define wxStringToStdStringRetType std::string + std::string ToStdString() const { wxScopedCharBuffer buf(mb_str()); return std::string(buf.data(), buf.length()); } #endif + +#if wxUSE_STL + // In wxUSE_STL case we also provide implicit conversions as there is no + // ambiguity with the const char/wchar_t* ones as they are disabled in this + // build (for consistency with std::basic_string<>) + operator wxStringToStdStringRetType() const { return ToStdString(); } + operator wxStringToStdWstringRetType() const { return ToStdWstring(); } #endif // wxUSE_STL +#undef wxStringToStdStringRetType +#undef wxStringToStdWstringRetType + +#endif // wxUSE_STD_STRING + wxString Clone() const { // make a deep copy of the string, i.e. the returned string will have @@ -1782,7 +1835,8 @@ public: // version for NUL-terminated data: static wxString From8BitData(const char *data) { return wxString(data); } - const char *To8BitData() const { return c_str(); } + const wxScopedCharBuffer To8BitData() const + { return wxScopedCharBuffer::CreateNonOwned(wx_str(), length()); } #endif // Unicode/ANSI // conversions with (possible) format conversions: have to return a @@ -2067,20 +2121,18 @@ public: // insert an unsigned long into string wxString& operator<<(unsigned long ul) { return (*this) << Format(wxT("%lu"), ul); } -#if defined wxLongLong_t && !defined wxLongLongIsLong +#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG // insert a long long if they exist and aren't longs wxString& operator<<(wxLongLong_t ll) { - const wxChar *fmt = wxT("%") wxLongLongFmtSpec wxT("d"); - return (*this) << Format(fmt, ll); + return (*this) << Format("%" wxLongLongFmtSpec "d", ll); } // insert an unsigned long long wxString& operator<<(wxULongLong_t ull) { - const wxChar *fmt = wxT("%") wxLongLongFmtSpec wxT("u"); - return (*this) << Format(fmt , ull); + return (*this) << Format("%" wxLongLongFmtSpec "u" , ull); } -#endif // wxLongLong_t && !wxLongLongIsLong +#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG // insert a float into string wxString& operator<<(float f) { return (*this) << Format(wxT("%f"), f); } @@ -2164,11 +2216,13 @@ public: // get last nCount characters wxString Right(size_t nCount) const; // get all characters before the first occurrence of ch - // (returns the whole string if ch not found) - wxString BeforeFirst(wxUniChar ch) const; + // (returns the whole string if ch not found) and also put everything + // following the first occurrence of ch into rest if it's non-NULL + wxString BeforeFirst(wxUniChar ch, wxString *rest = NULL) const; // get all characters before the last occurrence of ch - // (returns empty string if ch not found) - wxString BeforeLast(wxUniChar ch) const; + // (returns empty string if ch not found) and also put everything + // following the last occurrence of ch into rest if it's non-NULL + wxString BeforeLast(wxUniChar ch, wxString *rest = NULL) const; // get all characters after the first occurrence of ch // (returns empty string if ch not found) wxString AfterFirst(wxUniChar ch) const; @@ -2264,7 +2318,6 @@ public: // convert to a double bool ToDouble(double *val) const; -#if wxUSE_XLOCALE // conversions to numbers using C locale // convert to a signed integer bool ToCLong(long *val, int base = 10) const; @@ -2272,7 +2325,13 @@ public: bool ToCULong(unsigned long *val, int base = 10) const; // convert to a double bool ToCDouble(double *val) const; -#endif + + // create a string representing the given floating point number + // in the current locale + static wxString FromDouble(double val) + { return wxString::Format(wxS("%g"), val); } + // in C locale + static wxString FromCDouble(double val); #ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN // formatted input/output @@ -4024,6 +4083,21 @@ inline bool operator!=(const wxString& s, const wxUniCharRef& c) { return !s.IsS inline bool operator!=(const wxString& s, char c) { return !s.IsSameAs(c); } inline bool operator!=(const wxString& s, wchar_t c) { return !s.IsSameAs(c); } + +// wxString iterators comparisons +inline bool wxString::iterator::operator==(const const_iterator& i) const + { return i == *this; } +inline bool wxString::iterator::operator!=(const const_iterator& i) const + { return i != *this; } +inline bool wxString::iterator::operator<(const const_iterator& i) const + { return i > *this; } +inline bool wxString::iterator::operator>(const const_iterator& i) const + { return i < *this; } +inline bool wxString::iterator::operator<=(const const_iterator& i) const + { return i >= *this; } +inline bool wxString::iterator::operator>=(const const_iterator& i) const + { return i <= *this; } + // comparison with C string in Unicode build #if wxUSE_UNICODE