#ifndef _WX_WXSTRINGH__
#define _WX_WXSTRINGH__
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "string.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#endif // OS/compiler
}
-#if wxUSE_STL
+// ----------------------------------------------------------------------------
+// deal with STL/non-STL/non-STL-but-wxUSE_STD_STRING
+// ----------------------------------------------------------------------------
+
+// in both cases we need to define wxStdString
+#if wxUSE_STL || wxUSE_STD_STRING
#include "wx/beforestd.h"
#include <string>
#if wxUSE_UNICODE
#ifdef HAVE_STD_WSTRING
- typedef std::wstring wxStringBase;
+ typedef std::wstring wxStdString;
#else
- typedef std::basic_string<wxChar> wxStringBase;
+ typedef std::basic_string<wxChar> wxStdString;
#endif
#else
- typedef std::string wxStringBase;
+ typedef std::string wxStdString;
#endif
-#if (defined(__GNUG__) && (__GNUG__ < 3)) || \
- (defined(_MSC_VER) && (_MSC_VER <= 1200))
- #define wxSTRING_BASE_HASNT_CLEAR
-#endif
+#endif // need <string>
+
+#if wxUSE_STL
+
+ // we don't need an extra ctor from std::string when copy ctor already does
+ // the work
+ #undef wxUSE_STD_STRING
+ #define wxUSE_STD_STRING 0
+ #if (defined(__GNUG__) && (__GNUG__ < 3)) || \
+ (defined(_MSC_VER) && (_MSC_VER <= 1200))
+ #define wxSTRING_BASE_HASNT_CLEAR
+ #endif
+
+ typedef wxStdString wxStringBase;
#else // if !wxUSE_STL
-#ifndef HAVE_STD_STRING_COMPARE
+#if !defined(HAVE_STD_STRING_COMPARE) && \
+ (!defined(__WX_SETUP_H__) || wxUSE_STL == 0)
#define HAVE_STD_STRING_COMPARE
#endif
// find a substring
size_t find(const wxStringBase& str, size_t nStart = 0) const;
- // VC++ 1.5 can't cope with this syntax.
-#if !defined(__VISUALC__) || defined(__WIN32__)
// find first n characters of sz
size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const;
-#endif // VC++ 1.5
// find the first occurence of character ch after nStart
size_t find(wxChar ch, size_t nStart = 0) const;
// as find, but from the end
size_t rfind(const wxStringBase& str, size_t nStart = npos) const;
- // VC++ 1.5 can't cope with this syntax.
// as find, but from the end
size_t rfind(const wxChar* sz, size_t nStart = npos,
size_t n = npos) const;
wxString(const wxChar *psz, wxMBConv& WXUNUSED(conv), size_t nLength = npos)
: wxStringBase(psz, nLength == npos ? wxStrlen(psz) : nLength) { }
+ // even we're not build with wxUSE_STL == 1 it is very convenient to allow
+ // implicit conversions from std::string to wxString as this allows to use
+ // the same strings in non-GUI and GUI code, however we don't want to
+ // unconditionally add this ctor as it would make wx lib dependent on
+ // libstdc++ on some Linux versions which is bad, so instead we ask the
+ // client code to define this wxUSE_STD_STRING symbol if they need it
+#if wxUSE_STD_STRING
+ wxString(const wxStdString& s)
+ : wxStringBase(s.c_str()) { }
+#endif // wxUSE_STD_STRING
+
#if wxUSE_UNICODE
// from multibyte string
wxString(const char *psz, wxMBConv& conv, size_t nLength = npos);
{
Truncate(0);
- wxASSERT_MSG( IsEmpty(), _T("string not empty after call to Empty()?") );
+ wxASSERT_MSG( empty(), _T("string not empty after call to Empty()?") );
}
// empty the string and free memory
void Clear()
// get last character
wxChar Last() const
{
- wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") );
+ wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
return at(length() - 1);
}
// get writable last character
wxChar& Last()
{
- wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") );
+ wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
return at(length() - 1);
}
/*
Note that we we must define all of the overloads below to avoid
- ambiguity when using str[0]. Also note that we don't need const
- version of operatorp[] at all as indexed access to const string
- is provided by implicit conversion to "const wxChar *" below.
+ ambiguity when using str[0]. Also note that for a conforming compiler we
+ don't need const version of operatorp[] at all as indexed access to
+ const string is provided by implicit conversion to "const wxChar *"
+ below and defining them would only result in ambiguities, but some other
+ compilers refuse to compile "str[0]" without them.
*/
+#if defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__MWERKS__)
+ wxChar operator[](int n) const
+ { return wxStringBase::at(n); }
+ wxChar operator[](size_type n) const
+ { return wxStringBase::at(n); }
+#ifndef wxSIZE_T_IS_UINT
+ wxChar operator[](unsigned int n) const
+ { return wxStringBase::at(n); }
+#endif // size_t != unsigned int
+#endif // broken compiler
+
+
// operator versions of GetWriteableChar()
wxChar& operator[](int n)
{ return wxStringBase::at(n); }
// from a character
wxString& operator=(wxChar ch)
{ return (wxString&)wxStringBase::operator=(ch); }
- // from a C string
+ // from a C string - STL probably will crash on NULL,
+ // so we need to compensate in that case
+#if wxUSE_STL
+ wxString& operator=(const wxChar *psz)
+ { if(psz) wxStringBase::operator=(psz); else Clear(); return *this; }
+#else
wxString& operator=(const wxChar *psz)
{ return (wxString&)wxStringBase::operator=(psz); }
+#endif
+
#if wxUSE_UNICODE
// from wxWCharBuffer
wxString& operator=(const wxWCharBuffer& psz)
// string += C string
wxString& Append(const wxString& s)
{
- // test for IsEmpty() to share the string if possible
- if ( IsEmpty() )
+ // test for empty() to share the string if possible
+ if ( empty() )
*this = s;
else
append(s);
int Last( const wxChar ch ) const { return Find(ch, true); }
bool Contains(const wxString& str) const { return Find(str) != wxNOT_FOUND; }
- // use IsEmpty()
- bool IsNull() const { return IsEmpty(); }
+ // use empty()
+ bool IsNull() const { return empty(); }
// std::string compatibility functions
{ return (wxString&)wxStringBase::assign(first, last); }
// string comparison
-#ifndef HAVE_STD_STRING_COMPARE
+#if !defined(HAVE_STD_STRING_COMPARE)
int compare(const wxStringBase& str) const;
// comparison with a substring
int compare(size_t nStart, size_t nLen, const wxStringBase& str) const;
{ return (wxString&)wxStringBase::operator+=(ch); }
};
+// IBM xlC compiler needs these operators to be declared in global scope,
+// although this shouldn't be a problem for the other compilers we prefer to
+// only do it for it in stable 2.6 branch
+#ifdef __IBMCPP__
+wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2);
+wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch);
+wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string);
+wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz);
+wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string);
+#endif // __IBMCPP__
+
// define wxArrayString, for compatibility
#if WXWIN_COMPATIBILITY_2_4 && !wxUSE_STL
#include "wx/arrstr.h"
{ return (s2.Cmp((const char *)s1) != 0); }
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
-wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2);
-wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch);
-wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string);
-wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz);
-wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string);
-
#if wxUSE_UNICODE
inline wxString operator+(const wxString& string, const wxWCharBuffer& buf)
{ return string + (const wchar_t *)buf; }