X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3a309a64d74bd04d9be4799f28c34b69d06a06d8..f888d61444c1549c5e8a593055f0159dd07eca86:/include/wx/string.h?ds=sidebyside diff --git a/include/wx/string.h b/include/wx/string.h index 6ba40254f7..a1840aa728 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -6,99 +6,146 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// +/* + Efficient string class [more or less] compatible with MFC CString, + wxWindows version 1 wxString and std::string and some handy functions + missing from string.h. +*/ + #ifndef _WX_WXSTRINGH__ #define _WX_WXSTRINGH__ -#ifdef __GNUG__ -#pragma interface "string.h" +#if defined(__GNUG__) && !defined(__APPLE__) + #pragma interface "string.h" #endif -#ifdef __WXMAC__ +// ---------------------------------------------------------------------------- +// conditinal compilation +// ---------------------------------------------------------------------------- + +// compile the std::string compatibility functions if defined +#define wxSTD_STRING_COMPATIBILITY + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#include "wx/defs.h" // everybody should include this + +#if defined(__WXMAC__) || defined(__VISAGECPP__) #include #endif -#include -#include -#include -#include -#include +#ifdef __EMX__ + #include +#endif + +#if defined(__VISAGECPP__) && __IBMCPP__ >= 400 + // problem in VACPP V4 with including stdlib.h multiple times + // strconv includes it anyway +# include +# include +# include +# include +#else +# include +# include +# include +# include +# include +#endif #ifdef HAVE_STRINGS_H #include // for strcasecmp() -#endif // AIX - -#ifndef WX_PRECOMP - #include "wx/defs.h" +#endif // HAVE_STRINGS_H - #ifdef WXSTRING_IS_WXOBJECT - #include "wx/object.h" - #endif -#endif // !PCH - -#include "wx/debug.h" -#include "wx/wxchar.h" -#include "wx/buffer.h" - -/* - Efficient string class [more or less] compatible with MFC CString, - wxWindows version 1 wxString and std::string and some handy functions - missing from string.h. -*/ +#include "wx/wxchar.h" // for wxChar +#include "wx/buffer.h" // for wxCharBuffer +#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes // --------------------------------------------------------------------------- // macros // --------------------------------------------------------------------------- -// compile the std::string compatibility functions if defined -#define wxSTD_STRING_COMPATIBILITY +// casts [unfortunately!] needed to call some broken functions which require +// "char *" instead of "const char *" +#define WXSTRINGCAST (wxChar *)(const wxChar *) +#define wxCSTRINGCAST (wxChar *)(const wxChar *) +#define wxMBSTRINGCAST (char *)(const char *) +#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *) -// define to derive wxString from wxObject -#ifdef WXSTRING_IS_WXOBJECT -#undef WXSTRING_IS_WXOBJECT -#endif +// implementation only +#define wxASSERT_VALID_INDEX(i) \ + wxASSERT_MSG( (size_t)(i) <= Len(), _T("invalid index in wxString") ) + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- +#if defined(__VISAGECPP__) && __IBMCPP__ >= 400 +// must define this static for VA or else you get multiply defined symbols everywhere +extern const unsigned int wxSTRING_MAXLEN; + +#else // maximum possible length for a string means "take all string" everywhere -// (as sizeof(StringData) is unknown here we substract 100) +// (as sizeof(StringData) is unknown here, we substract 100) const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100; -// 'naughty' cast -#define WXSTRINGCAST (wxChar *)(const wxChar *) -#define MBSTRINGCAST (char *)(const char *) -#define WCSTRINGCAST (wchar_t *)(const wchar_t *) +#endif -// implementation only -#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() ) +// ---------------------------------------------------------------------------- +// global data +// ---------------------------------------------------------------------------- + +// global pointer to empty string +extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxEmptyString; // --------------------------------------------------------------------------- -// Global functions complementing standard C string library replacements for +// global functions complementing standard C string library replacements for // strlen() and portable strcasecmp() //--------------------------------------------------------------------------- -// USE wx* FUNCTIONS IN wx/wxchar.h INSTEAD - THIS IS ONLY FOR BINARY COMPATIBILITY + +// Use wxXXX() functions from wxchar.h instead! These functions are for +// backwards compatibility only. // checks whether the passed in pointer is NULL and if the string is empty -inline bool WXDLLEXPORT IsEmpty(const char *p) { return (!p || !*p); } +inline bool IsEmpty(const char *p) { return (!p || !*p); } // safe version of strlen() (returns 0 if passed NULL pointer) -inline size_t WXDLLEXPORT Strlen(const char *psz) +inline size_t Strlen(const char *psz) { return psz ? strlen(psz) : 0; } // portable strcasecmp/_stricmp -inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) +inline int Stricmp(const char *psz1, const char *psz2) { -#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) ) +#if defined(__VISUALC__) && defined(__WXWINCE__) + register char c1, c2; + do { + c1 = tolower(*psz1++); + c2 = tolower(*psz2++); + } while ( c1 && (c1 == c2) ); + + return c1 - c2; +#elif defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) ) return _stricmp(psz1, psz2); -#elif defined(__SC__) +#elif defined(__SC__) return _stricmp(psz1, psz2); -#elif defined(__SALFORDC__) +#elif defined(__SALFORDC__) return stricmp(psz1, psz2); #elif defined(__BORLANDC__) return stricmp(psz1, psz2); #elif defined(__WATCOMC__) return stricmp(psz1, psz2); -#elif defined(__UNIX__) || defined(__GNUWIN32__) +#elif defined(__DJGPP__) + return stricmp(psz1, psz2); +#elif defined(__EMX__) + return stricmp(psz1, psz2); +#elif defined(__WXPM__) + return stricmp(psz1, psz2); +#elif defined(__UNIX__) || defined(__GNUWIN32__) return strcasecmp(psz1, psz2); #elif defined(__MWERKS__) && !defined(__INTEL__) register char c1, c2; @@ -126,24 +173,16 @@ inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) #endif // OS/compiler } -// ---------------------------------------------------------------------------- -// global data -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; - -// global pointer to empty string -WXDLLEXPORT_DATA(extern const wxChar*) g_szNul; - // return an empty wxString -class WXDLLEXPORT wxString; // not yet defined -inline const wxString& wxGetEmptyString() { return *(wxString *)&g_szNul; } +class WXDLLIMPEXP_BASE wxString; // not yet defined +inline const wxString& wxGetEmptyString() { return *(wxString *)&wxEmptyString; } // --------------------------------------------------------------------------- // string data prepended with some housekeeping info (used by wxString class), // is never used directly (but had to be put here to allow inlining) // --------------------------------------------------------------------------- -struct WXDLLEXPORT wxStringData + +struct WXDLLIMPEXP_BASE wxStringData { int nRefs; // reference count size_t nDataLength, // actual string length @@ -158,7 +197,20 @@ struct WXDLLEXPORT wxStringData // lock/unlock void Lock() { if ( !IsEmpty() ) nRefs++; } + + // VC++ will refuse to inline Unlock but profiling shows that it is wrong +#if defined(__VISUALC__) && (__VISUALC__ >= 1200) + __forceinline +#endif + // VC++ free must take place in same DLL as allocation when using non dll + // run-time library (e.g. Multithreaded instead of Multithreaded DLL) +#if defined(__VISUALC__) && defined(_MT) && !defined(_DLL) + void Unlock() { if ( !IsEmpty() && --nRefs == 0) Free(); } + // we must not inline deallocation since allocation is not inlined + void Free(); +#else void Unlock() { if ( !IsEmpty() && --nRefs == 0) free(this); } +#endif // if we had taken control over string memory (GetWriteBuf), it's // intentionally put in invalid state @@ -166,87 +218,6 @@ struct WXDLLEXPORT wxStringData bool IsValid() const { return (nRefs != 0); } }; -// --------------------------------------------------------------------------- -// types of multibyte<->Unicode conversions -// --------------------------------------------------------------------------- -class WXDLLEXPORT wxMBConv -{ - public: - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; - const wxWCharBuffer cMB2WC(const char *psz) const - { - size_t nLen = MB2WC((wchar_t *) NULL, psz, 0); - wxWCharBuffer buf(nLen); - MB2WC(WCSTRINGCAST buf, psz, nLen); - return buf; - } - const wxCharBuffer cWC2MB(const wchar_t *psz) const - { - size_t nLen = WC2MB((char *) NULL, psz, 0); - wxCharBuffer buf(nLen); - WC2MB(MBSTRINGCAST buf, psz, nLen); - return buf; - } -#if wxUSE_UNICODE - const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); } - const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); } - const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; } - const wchar_t* cMB2WC(const wchar_t *psz) const { return psz; } -#else - const char* cMB2WX(const char *psz) const { return psz; } - const char* cWX2MB(const char *psz) const { return psz; } - const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); } - const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); } -#endif -}; -WXDLLEXPORT_DATA(extern wxMBConv) wxConv_libc; - -#define wxANOTHER_MBCONV(type) \ -class type : public wxMBConv { \ - public: \ - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; \ - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; \ -} - -WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConv_file)) wxConv_file; -WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConv_UTF7)) wxConv_UTF7; -WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConv_UTF8)) wxConv_UTF8; -#if defined(__WXGTK__) && (GTK_MINOR_VERSION > 0) - WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConv_gdk)) wxConv_gdk; -#endif // GTK > 1.0 - -class wxCharacterSet; -class WXDLLEXPORT wxCSConv : public wxMBConv -{ - private: - wxCharacterSet *cset; - public: - wxCSConv(const wxChar *charset); - virtual ~wxCSConv(void); - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; -}; - -WXDLLEXPORT_DATA(extern wxCSConv) wxConv_local; - -WXDLLEXPORT_DATA(extern wxMBConv *) wxConv_current; - -// filenames are multibyte on Unix and probably widechar on Windows? -#ifdef __UNIX__ -#define wxMBFILES 1 -#else -#define wxMBFILES 0 -#endif - -#if wxMBFILES -#define wxFNCONV(name) wxConv_file.cWX2MB(name) -#define FNSTRINGCAST MBSTRINGCAST -#else -#define wxFNCONV(name) name -#define FNSTRINGCAST WXSTRINGCAST -#endif - // --------------------------------------------------------------------------- // This is (yet another one) String class for C++ programmers. It doesn't use // any of "advanced" C++ features (i.e. templates, exceptions, namespaces...) @@ -270,16 +241,11 @@ WXDLLEXPORT_DATA(extern wxMBConv *) wxConv_current; // - regular expressions support // --------------------------------------------------------------------------- -#ifdef WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString : public wxObject +class WXDLLIMPEXP_BASE wxString { - DECLARE_DYNAMIC_CLASS(wxString) -#else //WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString -{ -#endif //WXSTRING_IS_WXOBJECT - -friend class WXDLLEXPORT wxArrayString; +#if !wxUSE_STL +friend class WXDLLIMPEXP_BASE wxArrayString; +#endif // NB: special care was taken in arranging the member functions in such order // that all inline functions can be effectively inlined, verify that all @@ -294,43 +260,52 @@ private: // string (re)initialization functions // initializes the string to the empty value (must be called only from // ctors, use Reinit() otherwise) - void Init() { m_pchData = (wxChar *)g_szNul; } + void Init() { m_pchData = (wxChar *)wxEmptyString; } // initializaes the string with (a part of) C-string void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = wxSTRING_MAXLEN); // as Init, but also frees old data void Reinit() { GetStringData()->Unlock(); Init(); } // memory allocation - // allocates memory for string of lenght nLen - void AllocBuffer(size_t nLen); + // allocates memory for string of length nLen + bool AllocBuffer(size_t nLen); // copies data to another string - void AllocCopy(wxString&, int, int) const; + bool AllocCopy(wxString&, int, int) const; // effectively copies data to string - void AssignCopy(size_t, const wxChar *); + bool AssignCopy(size_t, const wxChar *); // append a (sub)string - void ConcatSelf(int nLen, const wxChar *src); + bool ConcatSelf(size_t nLen, const wxChar *src); // functions called before writing to the string: they copy it if there // are other references to our data (should be the only owner when writing) - void CopyBeforeWrite(); - void AllocBeforeWrite(size_t); + bool CopyBeforeWrite(); + bool AllocBeforeWrite(size_t); + + // if we hadn't made these operators private, it would be possible to + // compile "wxString s; s = 17;" without any warnings as 17 is implicitly + // converted to char in C and we do have operator=(char) + // + // NB: we don't need other versions (short/long and unsigned) as attempt + // to assign another numeric type to wxString will now result in + // ambiguity between operator=(char) and operator=(int) + wxString& operator=(int); - // this method is not implemented - there is _no_ conversion from int to + // these methods are not implemented - there is _no_ conversion from int to // string, you're doing something wrong if the compiler wants to call it! // // try `s << i' or `s.Printf("%d", i)' instead wxString(int); - wxString(long); public: // constructors and destructor // ctor for an empty string - wxString() { Init(); } + wxString() : m_pchData(NULL) { Init(); } // copy ctor - wxString(const wxString& stringSrc) + wxString(const wxString& stringSrc) : m_pchData(NULL) { - wxASSERT( stringSrc.GetStringData()->IsValid() ); + wxASSERT_MSG( stringSrc.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); if ( stringSrc.IsEmpty() ) { // nothing to do for an empty string @@ -346,28 +321,37 @@ public: // ctor takes first nLength characters from C string // (default value of wxSTRING_MAXLEN means take all the string) wxString(const wxChar *psz, size_t nLength = wxSTRING_MAXLEN) - { InitWith(psz, 0, nLength); } + : m_pchData(NULL) + { InitWith(psz, 0, nLength); } + wxString(const wxChar *psz, wxMBConv& WXUNUSED(conv), size_t nLength = wxSTRING_MAXLEN) + : m_pchData(NULL) + { InitWith(psz, 0, nLength); } + #if wxUSE_UNICODE // from multibyte string // (NB: nLength is right now number of Unicode characters, not // characters in psz! So try not to use it yet!) - wxString(const char *psz, wxMBConv& conv = wxConv_libc, size_t nLength = wxSTRING_MAXLEN); + wxString(const char *psz, wxMBConv& conv, size_t nLength = wxSTRING_MAXLEN); // from wxWCharBuffer (i.e. return from wxGetString) wxString(const wxWCharBuffer& psz) { InitWith(psz, 0, wxSTRING_MAXLEN); } -#else +#else // ANSI // from C string (for compilers using unsigned char) wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN) - { InitWith((const char*)psz, 0, nLength); } - // from multibyte string - wxString(const char *psz, wxMBConv& WXUNUSED(conv), size_t nLength = wxSTRING_MAXLEN) - { InitWith(psz, 0, nLength); } + : m_pchData(NULL) + { InitWith((const char*)psz, 0, nLength); } + +#if wxUSE_WCHAR_T // from wide (Unicode) string - wxString(const wchar_t *pwz); + wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc, size_t nLength = wxSTRING_MAXLEN); +#endif // !wxUSE_WCHAR_T + // from wxCharBuffer wxString(const wxCharBuffer& psz) - { InitWith(psz, 0, wxSTRING_MAXLEN); } -#endif + : m_pchData(NULL) + { InitWith(psz, 0, wxSTRING_MAXLEN); } +#endif // Unicode/ANSI + // dtor is not virtual, this class must not be inherited from! ~wxString() { GetStringData()->Unlock(); } @@ -378,14 +362,14 @@ public: bool IsEmpty() const { return Len() == 0; } // empty string is "FALSE", so !str will return TRUE bool operator!() const { return IsEmpty(); } + // truncate the string to given length + wxString& Truncate(size_t uiLen); // empty string contents void Empty() { - if ( !IsEmpty() ) - Reinit(); + Truncate(0); - // should be empty - wxASSERT( GetStringData()->nDataLength == 0 ); + wxASSERT_MSG( IsEmpty(), _T("string not empty after call to Empty()?") ); } // empty the string and free memory void Clear() @@ -393,8 +377,9 @@ public: if ( !GetStringData()->IsEmpty() ) Reinit(); - wxASSERT( GetStringData()->nDataLength == 0 ); // should be empty - wxASSERT( GetStringData()->nAllocLength == 0 ); // and not own any memory + wxASSERT_MSG( !GetStringData()->nDataLength && + !GetStringData()->nAllocLength, + _T("string should be empty after Clear()") ); } // contents test @@ -408,58 +393,140 @@ public: // data access (all indexes are 0 based) // read access wxChar GetChar(size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } // read/write access wxChar& GetWritableChar(size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } // write access void SetChar(size_t n, wxChar ch) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } // get last character wxChar Last() const - { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; } + { + wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); + + return m_pchData[Len() - 1]; + } + // get writable last character wxChar& Last() - { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; } + { + wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); + CopyBeforeWrite(); + return m_pchData[Len()-1]; + } + + /* + So why do we have all these overloaded operator[]s? A bit of history: + initially there was only one of them, taking size_t. Then people + started complaining because they wanted to use ints as indices (I + wonder why) and compilers were giving warnings about it, so we had to + add the operator[](int). Then it became apparent that you couldn't + write str[0] any longer because there was ambiguity between two + overloads and so you now had to write str[0u] (or, of course, use the + explicit casts to either int or size_t but nobody did this). + + Finally, someone decided to compile wxWin on an Alpha machine and got + a surprize: str[0u] didn't compile there because it is of type + unsigned int and size_t is unsigned _long_ on Alpha and so there was + ambiguity between converting uint to int or ulong. To fix this one we + now add operator[](uint) for the machines where size_t is not already + the same as unsigned int - hopefully this fixes the problem (for some + time) + + The only real fix is, of course, to remove all versions but the one + taking size_t... + */ - // under Unix it is tested with configure, assume it works on other - // platforms (there might be overloading problems if size_t and int are - // the same type) -#if !defined(__UNIX__) || wxUSE_SIZE_T_STRING_OPERATOR // operator version of GetChar wxChar operator[](size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } -#endif + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } // operator version of GetChar wxChar operator[](int n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } - // operator version of GetWritableChar + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + + // operator version of GetWriteableChar wxChar& operator[](size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + +#ifndef wxSIZE_T_IS_UINT + // operator version of GetChar + wxChar operator[](unsigned int n) const + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + + // operator version of GetWriteableChar + wxChar& operator[](unsigned int n) + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } +#endif // size_t != unsigned int // implicit conversion to C string operator const wxChar*() const { return m_pchData; } + // explicit conversion to C string (use this with printf()!) const wxChar* c_str() const { return m_pchData; } - // + // identical to c_str(), for wxWin 1.6x compatibility + const wxChar* wx_str() const { return m_pchData; } + // identical to c_str(), for MFC compatibility const wxChar* GetData() const { return m_pchData; } + + // conversion to/from plain (i.e. 7 bit) ASCII: this is useful for + // converting numbers or strings which are certain not to contain special + // chars (typically system functions, X atoms, environment variables etc.) + // + // the behaviour of these functions with the strings containing anything + // else than 7 bit ASCII characters is undefined, use at your own risk. +#if wxUSE_UNICODE + static wxString FromAscii(const char *ascii); // string + static wxString FromAscii(const char ascii); // char + const wxCharBuffer ToAscii() const; +#else // ANSI + static wxString FromAscii(const char *ascii) { return wxString( ascii ); } + static wxString FromAscii(const char ascii) { return wxString( ascii ); } + const char *ToAscii() const { return c_str(); } +#endif // Unicode/!Unicode + + // conversions with (possible) format conversions: have to return a + // buffer with temporary data + // + // the functions defined (in either Unicode or ANSI) mode are mb_str() to + // return an ANSI (multibyte) string, wc_str() to return a wide string and + // fn_str() to return a string which should be used with the OS APIs + // accepting the file names. The return value is always the same, but the + // type differs because a function may either return pointer to the buffer + // directly or have to use intermediate buffer for translation. #if wxUSE_UNICODE - const wxCharBuffer mb_str(wxMBConv& conv = wxConv_libc) const { return conv.cWC2MB(m_pchData); } - const wxChar* wc_str(wxMBConv& WXUNUSED(conv) = wxConv_libc) const { return m_pchData; } + const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const + { return conv.cWC2MB(m_pchData); } + + const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } + + const wxChar* wc_str() const { return m_pchData; } + + // for compatibility with !wxUSE_UNICODE version + const wxChar* wc_str(wxMBConv& WXUNUSED(conv)) const { return m_pchData; } + #if wxMBFILES - const wxCharBuffer fn_str() const { return mb_str(wxConv_file); } -#else + const wxCharBuffer fn_str() const { return mb_str(wxConvFile); } +#else // !wxMBFILES const wxChar* fn_str() const { return m_pchData; } -#endif -#else - const wxChar* mb_str(wxMBConv& WXUNUSED(conv) = wxConv_libc ) const { return m_pchData; } - const wxWCharBuffer wc_str(wxMBConv& conv) const { return conv.cMB2WC(m_pchData); } +#endif // wxMBFILES/!wxMBFILES +#else // ANSI + const wxChar* mb_str() const { return m_pchData; } + + // for compatibility with wxUSE_UNICODE version + const wxChar* mb_str(wxMBConv& WXUNUSED(conv)) const { return m_pchData; } + + const wxWX2MBbuf mbc_str() const { return mb_str(); } + +#if wxUSE_WCHAR_T + const wxWCharBuffer wc_str(wxMBConv& conv) const + { return conv.cMB2WC(m_pchData); } +#endif // wxUSE_WCHAR_T + const wxChar* fn_str() const { return m_pchData; } -#endif - // for convenience - const wxWX2MBbuf mbc_str() const { return mb_str(*wxConv_current); } +#endif // Unicode/ANSI // overloaded assignment // from another wxString @@ -470,15 +537,19 @@ public: wxString& operator=(const wxChar *psz); #if wxUSE_UNICODE // from wxWCharBuffer - wxString& operator=(const wxWCharBuffer& psz) { return operator=((const wchar_t *)psz); } -#else + wxString& operator=(const wxWCharBuffer& psz) + { (void) operator=((const wchar_t *)psz); return *this; } +#else // ANSI // from another kind of C string wxString& operator=(const unsigned char* psz); +#if wxUSE_WCHAR_T // from a wide string wxString& operator=(const wchar_t *pwz); - // from wxCharBuffer - wxString& operator=(const wxCharBuffer& psz) { return operator=((const char *)psz); } #endif + // from wxCharBuffer + wxString& operator=(const wxCharBuffer& psz) + { (void) operator=((const char *)psz); return *this; } +#endif // Unicode/ANSI // string concatenation // in place concatenation @@ -490,7 +561,8 @@ public: // string += string wxString& operator<<(const wxString& s) { - wxASSERT( s.GetStringData()->IsValid() ); + wxASSERT_MSG( s.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); ConcatSelf(s.Len(), s); return *this; @@ -510,19 +582,34 @@ public: // string += buffer (i.e. from wxGetString) #if wxUSE_UNICODE - wxString& operator<<(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); return *this; } - void operator+=(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); } -#else - wxString& operator<<(const wxCharBuffer& s) { (void)operator<<((const char *)s); return *this; } - void operator+=(const wxCharBuffer& s) { (void)operator<<((const char *)s); } -#endif + wxString& operator<<(const wxWCharBuffer& s) + { (void)operator<<((const wchar_t *)s); return *this; } + void operator+=(const wxWCharBuffer& s) + { (void)operator<<((const wchar_t *)s); } +#else // !wxUSE_UNICODE + wxString& operator<<(const wxCharBuffer& s) + { (void)operator<<((const char *)s); return *this; } + void operator+=(const wxCharBuffer& s) + { (void)operator<<((const char *)s); } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE // string += C string + wxString& Append(const wxString& s) + { + // test for IsEmpty() to share the string if possible + if ( IsEmpty() ) + *this = s; + else + ConcatSelf(s.Length(), s.c_str()); + return *this; + } wxString& Append(const wxChar* psz) { ConcatSelf(wxStrlen(psz), psz); return *this; } // append count copies of given character wxString& Append(wxChar ch, size_t count = 1u) { wxString str(ch, count); return *this << str; } + wxString& Append(const wxChar* psz, size_t nLen) + { ConcatSelf(nLen, psz); return *this; } // prepend a string, return the string itself wxString& Prepend(const wxString& str) @@ -530,48 +617,71 @@ public: // non-destructive concatenation // - friend wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2); // - friend wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch); // - friend wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); + friend wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string); // - friend wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz); // - friend wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); + friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string); // stream-like functions // insert an int into string - wxString& operator<<(int i); + wxString& operator<<(int i) + { return (*this) << Format(_T("%d"), i); } + // insert an unsigned int into string + wxString& operator<<(unsigned int ui) + { return (*this) << Format(_T("%u"), ui); } + // insert a long into string + wxString& operator<<(long l) + { return (*this) << Format(_T("%ld"), l); } + // insert an unsigned long into string + wxString& operator<<(unsigned long ul) + { return (*this) << Format(_T("%lu"), ul); } // insert a float into string - wxString& operator<<(float f); + wxString& operator<<(float f) + { return (*this) << Format(_T("%f"), f); } // insert a double into string - wxString& operator<<(double d); + wxString& operator<<(double d) + { return (*this) << Format(_T("%g"), d); } // string comparison // case-sensitive comparison (returns a value < 0, = 0 or > 0) - int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } + int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } // same as Cmp() but not case-sensitive - int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } + int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } // test for the string equality, either considering case or not // (if compareWithCase then the case matters) bool IsSameAs(const wxChar *psz, bool compareWithCase = TRUE) const { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; } + // comparison with a signle character: returns TRUE if equal + bool IsSameAs(wxChar c, bool compareWithCase = TRUE) const + { + return (Len() == 1) && (compareWithCase ? GetChar(0u) == c + : wxToupper(GetChar(0u)) == wxToupper(c)); + } // simple sub-string extraction // return substring starting at nFirst of length nCount (or till the end // if nCount = default value) wxString Mid(size_t nFirst, size_t nCount = wxSTRING_MAXLEN) const; - // operator version of Mid() + // operator version of Mid() wxString operator()(size_t start, size_t len) const { return Mid(start, len); } + // check that the string starts with prefix and return the rest of the + // string in the provided pointer if it is not NULL, otherwise return + // FALSE + bool StartsWith(const wxChar *prefix, wxString *rest = NULL) const; + // get first nCount characters wxString Left(size_t nCount) const; // get last nCount characters wxString Right(size_t nCount) const; - // get all characters before the first occurence of ch + // get all characters before the first occurance of ch // (returns the whole string if ch not found) wxString BeforeFirst(wxChar ch) const; // get all characters before the last occurence of ch @@ -603,9 +713,7 @@ public: // remove spaces from left or from right (default) side wxString& Trim(bool bFromRight = TRUE); // add nCount copies chPad in the beginning or at the end (default) - wxString& Pad(size_t nCount, wxChar chPad = _T(' '), bool bFromRight = TRUE); - // truncate string to given length - wxString& Truncate(size_t uiLen); + wxString& Pad(size_t nCount, wxChar chPad = wxT(' '), bool bFromRight = TRUE); // searching and replacing // searching (return starting index, or -1 if not found) @@ -621,24 +729,43 @@ public: // check if the string contents matches a mask containing '*' and '?' bool Matches(const wxChar *szMask) const; + // conversion to numbers: all functions return TRUE only if the whole + // string is a number and put the value of this number into the pointer + // provided, the base is the numeric base in which the conversion should be + // done and must be comprised between 2 and 36 or be 0 in which case the + // standard C rules apply (leading '0' => octal, "0x" => hex) + // convert to a signed integer + bool ToLong(long *val, int base = 10) const; + // convert to an unsigned integer + bool ToULong(unsigned long *val, int base = 10) const; + // convert to a double + bool ToDouble(double *val) const; + // formated input/output // as sprintf(), returns the number of characters written or < 0 on error - int Printf(const wxChar *pszFormat, ...); + // (take 'this' into account in attribute parameter count) + int Printf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; // as vprintf(), returns the number of characters written or < 0 on error int PrintfV(const wxChar* pszFormat, va_list argptr); + // returns the string containing the result of Printf() to it + static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1; + // the same as above, but takes a va_list + static wxString FormatV(const wxChar *pszFormat, va_list argptr); + // raw access to string memory // ensure that string has space for at least nLen characters // only works if the data of this string is not shared - void Alloc(size_t nLen); + bool Alloc(size_t nLen); // minimize the string's memory // only works if the data of this string is not shared - void Shrink(); + bool Shrink(); // get writable buffer of at least nLen bytes. Unget() *must* be called // a.s.a.p. to put string back in a reasonable state! wxChar *GetWriteBuf(size_t nLen); // call this immediately after GetWriteBuf() has been used void UngetWriteBuf(); + void UngetWriteBuf(size_t nLen); // wxWindows version 1 compatibility functions @@ -650,8 +777,9 @@ public: // values for first parameter of Strip function enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; - // use Printf() - int sprintf(const wxChar *pszFormat, ...); + // use Printf() + // (take 'this' into account in attribute parameter count) + int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; // use Cmp() inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const @@ -673,7 +801,7 @@ public: size_t Index(wxChar ch) const { return Find(ch); } // use Truncate wxString& Remove(size_t pos) { return Truncate(pos); } - wxString& RemoveLast() { return Truncate(Len() - 1); } + wxString& RemoveLast(size_t n = 1) { return Truncate(Len() - n); } wxString& Remove(size_t nStart, size_t nLen) { return erase( nStart, nLen ); } @@ -690,14 +818,23 @@ public: #ifdef wxSTD_STRING_COMPATIBILITY // std::string compatibility functions + // standard types + typedef wxChar value_type; + typedef size_t size_type; + typedef value_type *iterator; + typedef const value_type *const_iterator; + // an 'invalid' value for string index static const size_t npos; // constructors // take nLen chars starting at nPos wxString(const wxString& str, size_t nPos, size_t nLen) + : m_pchData(NULL) { - wxASSERT( str.GetStringData()->IsValid() ); + wxASSERT_MSG( str.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); + InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen); } // take all characters from pStart to pEnd @@ -711,11 +848,13 @@ public: // return the maximum size of the string size_t max_size() const { return wxSTRING_MAXLEN; } // resize the string, filling the space with c if c != 0 - void resize(size_t nSize, wxChar ch = _T('\0')); + void resize(size_t nSize, wxChar ch = wxT('\0')); // delete the contents of the string void clear() { Empty(); } // returns true if the string is empty bool empty() const { return IsEmpty(); } + // inform string about planned change in size + void reserve(size_t sz) { Alloc(sz); } // lib.string.access // return the character at position n @@ -723,6 +862,16 @@ public: // returns the writable character at position n wxChar& at(size_t n) { return GetWritableChar(n); } + // first valid index position + const_iterator begin() const { return wx_str(); } + // position one after the last valid one + const_iterator end() const { return wx_str() + length(); } + + // first valid index position + iterator begin() { CopyBeforeWrite(); return m_pchData; } + // position one after the last valid one + iterator end() { CopyBeforeWrite(); return m_pchData + length(); } + // lib.string.modifiers // append a string wxString& append(const wxString& str) @@ -738,16 +887,17 @@ public: wxString& append(size_t n, wxChar ch) { return Pad(n, ch); } // same as `this_string = str' - wxString& assign(const wxString& str) { return (*this) = str; } + wxString& assign(const wxString& str) + { return *this = str; } // same as ` = str[pos..pos + n] wxString& assign(const wxString& str, size_t pos, size_t n) - { return *this = wxString((const wxChar *)str + pos, n); } + { Empty(); return Append(str.c_str() + pos, n); } // same as `= first n (or all if n == npos) characters of sz' wxString& assign(const wxChar *sz, size_t n = npos) - { return *this = wxString(sz, n); } + { Empty(); return Append(sz, n == npos ? wxStrlen(sz) : n); } // same as `= n copies of ch' wxString& assign(size_t n, wxChar ch) - { return *this = wxString(ch, n); } + { Empty(); return Append(ch, n); } // insert another string wxString& insert(size_t nPos, const wxString& str); @@ -773,8 +923,8 @@ public: wxString& replace(size_t nStart, size_t nLen, const wxString& str, size_t nStart2, size_t nLen2); // replaces the substring with first nCount chars of sz - wxString& replace(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount); + wxString& replace(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount); // swap two strings void swap(wxString& str); @@ -790,7 +940,7 @@ public: #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 +#endif // VC++ 1.5 // Gives a duplicate symbol (presumably a case-insensitivity problem) #if !defined(__BORLANDC__) @@ -809,36 +959,42 @@ public: size_t n = npos) const; // as find, but from the end size_t rfind(wxChar ch, size_t nStart = npos) const; -#endif +#endif // VC++ 1.5 // find first/last occurence of any character in the set - // - size_t find_first_of(const wxString& str, size_t nStart = 0) const; - // + // as strpbrk() but starts at nStart, returns npos if not found + size_t find_first_of(const wxString& str, size_t nStart = 0) const + { return find_first_of(str.c_str(), nStart); } + // same as above size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; // same as find(char, size_t) - size_t find_first_of(wxChar c, size_t nStart = 0) const; - // - size_t find_last_of (const wxString& str, size_t nStart = npos) const; - // - size_t find_last_of (const wxChar* s, size_t nStart = npos) const; - // same as rfind(char, size_t) - size_t find_last_of (wxChar c, size_t nStart = npos) const; + size_t find_first_of(wxChar c, size_t nStart = 0) const + { return find(c, nStart); } + // find the last (starting from nStart) char from str in this string + size_t find_last_of (const wxString& str, size_t nStart = npos) const + { return find_last_of(str.c_str(), nStart); } + // same as above + size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; + // same as above + size_t find_last_of(wxChar c, size_t nStart = npos) const + { return rfind(c, nStart); } // find first/last occurence of any character not in the set - // - size_t find_first_not_of(const wxString& str, size_t nStart = 0) const; - // - size_t find_first_not_of(const wxChar* s, size_t nStart = 0) const; - // + // as strspn() (starting from nStart), returns npos on failure + size_t find_first_not_of(const wxString& str, size_t nStart = 0) const + { return find_first_not_of(str.c_str(), nStart); } + // same as above + size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const; + // same as above size_t find_first_not_of(wxChar ch, size_t nStart = 0) const; - // - size_t find_last_not_of(const wxString& str, size_t nStart=npos) const; - // - size_t find_last_not_of(const wxChar* s, size_t nStart = npos) const; - // + // as strcspn() + size_t find_last_not_of(const wxString& str, size_t nStart = npos) const + { return find_first_not_of(str.c_str(), nStart); } + // same as above + size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; + // same as above size_t find_last_not_of(wxChar ch, size_t nStart = npos) const; // All compare functions return -1, 0 or 1 if the [sub]string is less, @@ -847,168 +1003,232 @@ public: // just like strcmp() int compare(const wxString& str) const { return Cmp(str); } // comparison with a substring - int compare(size_t nStart, size_t nLen, const wxString& str) const; + int compare(size_t nStart, size_t nLen, const wxString& str) const + { return Mid(nStart, nLen).Cmp(str); } // comparison of 2 substrings int compare(size_t nStart, size_t nLen, - const wxString& str, size_t nStart2, size_t nLen2) const; + const wxString& str, size_t nStart2, size_t nLen2) const + { return Mid(nStart, nLen).Cmp(str.Mid(nStart2, nLen2)); } // just like strcmp() int compare(const wxChar* sz) const { return Cmp(sz); } // substring comparison with first nCount characters of sz int compare(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount = npos) const; + const wxChar* sz, size_t nCount = npos) const + { return Mid(nStart, nLen).Cmp(wxString(sz, nCount)); } // substring extraction - wxString substr(size_t nStart = 0, size_t nLen = npos) const; + wxString substr(size_t nStart = 0, size_t nLen = npos) const + { return Mid(nStart, nLen); } #endif // wxSTD_STRING_COMPATIBILITY }; +// define wxArrayString, for compatibility +#if WXWIN_COMPATIBILITY_2_4 && !wxUSE_STL + #include "wx/arrstr.h" +#endif + // ---------------------------------------------------------------------------- -// The string array uses it's knowledge of internal structure of the wxString -// class to optimize string storage. Normally, we would store pointers to -// string, but as wxString is, in fact, itself a pointer (sizeof(wxString) is -// sizeof(char *)) we store these pointers instead. The cast to "wxString *" is -// really all we need to turn such pointer into a string! -// -// Of course, it can be called a dirty hack, but we use twice less memory and -// this approach is also more speed efficient, so it's probably worth it. -// -// Usage notes: when a string is added/inserted, a new copy of it is created, -// so the original string may be safely deleted. When a string is retrieved -// from the array (operator[] or Item() method), a reference is returned. +// wxStringBuffer: a tiny class allowing to get a writable pointer into string // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxArrayString + +#if wxUSE_STL + +class WXDLLIMPEXP_BASE wxStringBuffer { public: - // type of function used by wxArrayString::Sort() - typedef int (*CompareFunction)(const wxString& first, - const wxString& second); + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted), m_len(lenWanted) + { } - // constructors and destructor - // default ctor - wxArrayString(); - // copy ctor - wxArrayString(const wxArrayString& array); - // assignment operator - wxArrayString& operator=(const wxArrayString& src); - // not virtual, this class should not be derived from - ~wxArrayString(); - - // memory management - // empties the list, but doesn't release memory - void Empty(); - // empties the list and releases memory - void Clear(); - // preallocates memory for given number of items - void Alloc(size_t nCount); - // minimzes the memory usage (by freeing all extra memory) - void Shrink(); - - // simple accessors - // number of elements in the array - size_t GetCount() const { return m_nCount; } - // is it empty? - bool IsEmpty() const { return m_nCount == 0; } - // number of elements in the array (GetCount is preferred API) - size_t Count() const { return m_nCount; } - - // items access (range checking is done in debug version) - // get item at position uiIndex - wxString& Item(size_t nIndex) const - { wxASSERT( nIndex < m_nCount ); return *(wxString *)&(m_pItems[nIndex]); } - // same as Item() - wxString& operator[](size_t nIndex) const { return Item(nIndex); } - // get last item - wxString& Last() const { wxASSERT( !IsEmpty() ); return Item(Count() - 1); } - - // item management - // Search the element in the array, starting from the beginning if - // bFromEnd is FALSE or from end otherwise. If bCase, comparison is case - // sensitive (default). Returns index of the first item matched or - // wxNOT_FOUND - int Index (const wxChar *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const; - // add new element at the end - void Add(const wxString& str); - // add new element at given position - void Insert(const wxString& str, size_t uiIndex); - // remove first item matching this value - void Remove(const wxChar *sz); - // remove item by index - void Remove(size_t nIndex); - - // sorting - // sort array elements in alphabetical order (or reversed alphabetical - // order if reverseOrder parameter is TRUE) - void Sort(bool reverseOrder = FALSE); - // sort array elements using specified comparaison function - void Sort(CompareFunction compareFunction); + ~wxStringBuffer() { m_str.assign(m_buf.data(), wxStrlen(m_buf.data())); } + + operator wxChar*() { return m_buf.data(); } private: - void Grow(); // makes array bigger if needed - void Free(); // free the string stored + wxString& m_str; +#if wxUSE_UNICODE + wxWCharBuffer m_buf; +#else + wxCharBuffer m_buf; +#endif + size_t m_len; + + DECLARE_NO_COPY_CLASS(wxStringBuffer) +}; + +class WXDLLIMPEXP_BASE wxStringBufferLength +{ +public: + wxStringBufferLength(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false) + { } + + ~wxStringBufferLength() + { + wxASSERT(m_lenSet); + m_str.assign(m_buf.data(), m_len); + } + + operator wxChar*() { return m_buf.data(); } + void SetLength(size_t length) { m_len = length; m_lenSet = true; } + +private: + wxString& m_str; +#if wxUSE_UNICODE + wxWCharBuffer m_buf; +#else + wxCharBuffer m_buf; +#endif + size_t m_len; + bool m_lenSet; + + DECLARE_NO_COPY_CLASS(wxStringBufferLength) +}; + +#else // if !wxUSE_STL + +class WXDLLIMPEXP_BASE wxStringBuffer +{ +public: + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL) + { m_buf = m_str.GetWriteBuf(lenWanted); } - void DoSort(); // common part of all Sort() variants + ~wxStringBuffer() { m_str.UngetWriteBuf(); } - size_t m_nSize, // current size of the array - m_nCount; // current number of elements + operator wxChar*() const { return m_buf; } - wxChar **m_pItems; // pointer to data +private: + wxString& m_str; + wxChar *m_buf; + + DECLARE_NO_COPY_CLASS(wxStringBuffer) }; +class WXDLLIMPEXP_BASE wxStringBufferLength +{ +public: + wxStringBufferLength(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL), m_len(0), m_lenSet(false) + { m_buf = m_str.GetWriteBuf(lenWanted); } + + ~wxStringBufferLength() + { + wxASSERT(m_lenSet); + m_str.UngetWriteBuf(m_len); + } + + operator wxChar*() const { return m_buf; } + void SetLength(size_t length) { m_len = length; m_lenSet = true; } + +private: + wxString& m_str; + wxChar *m_buf; + size_t m_len; + bool m_lenSet; + + DECLARE_NO_COPY_CLASS(wxStringBufferLength) +}; + +#endif // !wxUSE_STL + // --------------------------------------------------------------------------- // wxString comparison functions: operator versions are always case sensitive // --------------------------------------------------------------------------- -// -inline bool operator==(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) == 0); } -// -inline bool operator!=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) != 0); } -// -inline bool operator< (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) > 0); } -// -inline bool operator> (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) < 0); } -// -inline bool operator<=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) >= 0); } -// -inline bool operator>=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); } -wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); -wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); -wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); -wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); -wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); +inline bool operator==(const wxString& s1, const wxString& s2) + { return (s1.Len() == s2.Len()) && (s1.Cmp(s2) == 0); } +inline bool operator==(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) == 0; } +inline bool operator==(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) == 0; } +inline bool operator!=(const wxString& s1, const wxString& s2) + { return (s1.Len() != s2.Len()) || (s1.Cmp(s2) != 0); } +inline bool operator!=(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) != 0; } +inline bool operator!=(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) != 0; } +inline bool operator< (const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) < 0; } +inline bool operator< (const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) < 0; } +inline bool operator< (const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) > 0; } +inline bool operator> (const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) > 0; } +inline bool operator> (const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) > 0; } +inline bool operator> (const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) < 0; } +inline bool operator<=(const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) <= 0; } +inline bool operator<=(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) <= 0; } +inline bool operator<=(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) >= 0; } +inline bool operator>=(const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) >= 0; } +inline bool operator>=(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) >= 0; } +inline bool operator>=(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) <= 0; } + +// comparison with char +inline bool operator==(wxChar c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, wxChar c) { return s.IsSameAs(c); } +inline bool operator!=(wxChar c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); } + +#if wxUSE_UNICODE +inline bool operator==(const wxString& s1, const wxWCharBuffer& s2) + { return (s1.Cmp((const wchar_t *)s2) == 0); } +inline bool operator==(const wxWCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const wchar_t *)s1) == 0); } +inline bool operator!=(const wxString& s1, const wxWCharBuffer& s2) + { return (s1.Cmp((const wchar_t *)s2) != 0); } +inline bool operator!=(const wxWCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const wchar_t *)s1) != 0); } +#else // !wxUSE_UNICODE +inline bool operator==(const wxString& s1, const wxCharBuffer& s2) + { return (s1.Cmp((const char *)s2) == 0); } +inline bool operator==(const wxCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const char *)s1) == 0); } +inline bool operator!=(const wxString& s1, const wxCharBuffer& s2) + { return (s1.Cmp((const char *)s2) != 0); } +inline bool operator!=(const wxCharBuffer& s1, const wxString& s2) + { 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; } +inline wxString operator+(const wxWCharBuffer& buf, const wxString& string) + { return (const wchar_t *)buf + string; } +#else // !wxUSE_UNICODE +inline wxString operator+(const wxString& string, const wxCharBuffer& buf) + { return string + (const char *)buf; } +inline wxString operator+(const wxCharBuffer& buf, const wxString& string) + { return (const char *)buf + string; } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE // --------------------------------------------------------------------------- // Implementation only from here until the end of file // --------------------------------------------------------------------------- -#ifdef wxSTD_STRING_COMPATIBILITY +// don't pollute the library user's name space +#undef wxASSERT_VALID_INDEX + +#if defined(wxSTD_STRING_COMPATIBILITY) && wxUSE_STD_IOSTREAM -#include "wx/ioswrap.h" +#include "wx/iosfwrap.h" -WXDLLEXPORT istream& operator>>(istream& is, wxString& str); +WXDLLIMPEXP_BASE wxSTD istream& operator>>(wxSTD istream&, wxString&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); #endif // wxSTD_STRING_COMPATIBILITY