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) {}
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)
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) {}
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) {}
// 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
// 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
// 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;
// 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;
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
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
projects / wxWidgets.git / blobdiff