X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c606a9a4010b859981b99e4699b61f63f9ba037d..b5a7cdc076ec7a35990b2da37a4b7b81a9cc8f85:/include/wx/string.h diff --git a/include/wx/string.h b/include/wx/string.h index fbe3c9e36d..b9319c6b7a 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -9,89 +9,137 @@ // Licence: wxWindows license /////////////////////////////////////////////////////////////////////////////// +/* + 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" + #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 - -#ifndef WX_PRECOMP - #include "wx/defs.h" +#ifdef __EMX__ + #include +#endif - #ifdef WXSTRING_IS_WXOBJECT - #include "wx/object.h" - #endif -#endif // !PCH +#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 -#include "wx/debug.h" +#ifdef HAVE_STRINGS_H + #include // for strcasecmp() +#endif // HAVE_STRINGS_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) -#define STRING_MAXLEN (UINT_MAX - 100) +// (as sizeof(StringData) is unknown here, we substract 100) +const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100; -// 'naughty' cast -#define WXSTRINGCAST (char *)(const char *) +#endif -// implementation only -#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) < Len() ) +// ---------------------------------------------------------------------------- +// global data +// ---------------------------------------------------------------------------- + +// global pointer to empty string +WXDLLEXPORT_DATA(extern 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 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__) +#if 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(_MSC_VER) +#elif defined(__MWERKS__) && !defined(__INTEL__) register char c1, c2; do { c1 = tolower(*psz1++); @@ -117,44 +165,53 @@ inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) #endif // OS/compiler } -// ---------------------------------------------------------------------------- -// global data -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(extern const char*) wxEmptyString; +// wxSnprintf() is like snprintf() if it's available and sprintf() (always +// available, but dangerous!) if not +extern int WXDLLEXPORT wxSnprintf(wxChar *buf, size_t len, + const wxChar *format, + ...) ATTRIBUTE_PRINTF_3; -// global pointer to empty string -WXDLLEXPORT_DATA(extern const char*) g_szNul; +// and wxVsnprintf() is like vsnprintf() or vsprintf() +extern int WXDLLEXPORT wxVsnprintf(wxChar *buf, size_t len, + const wxChar *format, + va_list argptr); // return an empty wxString class WXDLLEXPORT wxString; // not yet defined -inline const wxString& wxGetEmptyString() { return *(wxString *)&g_szNul; } +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 { int nRefs; // reference count size_t nDataLength, // actual string length nAllocLength; // allocated memory size - // mimics declaration 'char data[nAllocLength]' - char* data() const { return (char*)(this + 1); } + // mimics declaration 'wxChar data[nAllocLength]' + wxChar* data() const { return (wxChar*)(this + 1); } // empty string has a special ref count so it's never deleted - bool IsEmpty() const { return nRefs == -1; } - bool IsShared() const { return nRefs > 1; } + bool IsEmpty() const { return (nRefs == -1); } + bool IsShared() const { return (nRefs > 1); } // lock/unlock void Lock() { if ( !IsEmpty() ) nRefs++; } + + // VC++ will refuse to inline this function but profiling shows that it + // is wrong +#if defined(__VISUALC__) && (__VISUALC__ >= 1200) + __forceinline +#endif void Unlock() { if ( !IsEmpty() && --nRefs == 0) free(this); } // if we had taken control over string memory (GetWriteBuf), it's // intentionally put in invalid state - void Validate(bool b) { nRefs = b ? 1 : 0; } - bool IsValid() const { return nRefs != 0; } + void Validate(bool b) { nRefs = (b ? 1 : 0); } + bool IsValid() const { return (nRefs != 0); } }; // --------------------------------------------------------------------------- @@ -180,15 +237,8 @@ struct WXDLLEXPORT wxStringData // - regular expressions support // --------------------------------------------------------------------------- -#ifdef WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString : public wxObject -{ - DECLARE_DYNAMIC_CLASS(wxString) -#else //WXSTRING_IS_WXOBJECT class WXDLLEXPORT wxString { -#endif //WXSTRING_IS_WXOBJECT - friend class WXDLLEXPORT wxArrayString; // NB: special care was taken in arranging the member functions in such order @@ -196,7 +246,7 @@ friend class WXDLLEXPORT wxArrayString; // performace critical functions are still inlined if you change order! private: // points to data preceded by wxStringData structure with ref count info - char *m_pchData; + wxChar *m_pchData; // accessor to string data wxStringData* GetStringData() const { return (wxStringData*)m_pchData - 1; } @@ -204,43 +254,52 @@ 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 = (char *)g_szNul; } + void Init() { m_pchData = (wxChar *)wxEmptyString; } // initializaes the string with (a part of) C-string - void InitWith(const char *psz, size_t nPos = 0, size_t nLen = STRING_MAXLEN); + 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 char *); + bool AssignCopy(size_t, const wxChar *); // append a (sub)string - void ConcatSelf(int nLen, const char *src); + bool ConcatSelf(int 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); - // this method is not implemented - there is _no_ conversion from int to + // 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); + + // 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 @@ -252,15 +311,41 @@ public: } } // string containing nRepeat copies of ch - wxString(char ch, size_t nRepeat = 1); + wxString(wxChar ch, size_t nRepeat = 1); // ctor takes first nLength characters from C string - // (default value of STRING_MAXLEN means take all the string) - wxString(const char *psz, size_t nLength = STRING_MAXLEN) - { InitWith(psz, 0, nLength); } + // (default value of wxSTRING_MAXLEN means take all the string) + wxString(const wxChar *psz, size_t nLength = wxSTRING_MAXLEN) + : 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 = wxConvLibc, size_t nLength = wxSTRING_MAXLEN); + // from wxWCharBuffer (i.e. return from wxGetString) + wxString(const wxWCharBuffer& psz) + { InitWith(psz, 0, wxSTRING_MAXLEN); } +#else // ANSI // from C string (for compilers using unsigned char) - wxString(const unsigned char* psz, size_t nLength = STRING_MAXLEN); - // from wide (UNICODE) string - wxString(const wchar_t *pwz); + wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN) + : m_pchData(NULL) + { InitWith((const char*)psz, 0, nLength); } + +#if wxUSE_WCHAR_T + // from wide (Unicode) string + wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc, size_t nLength = wxSTRING_MAXLEN); +#endif // !wxUSE_WCHAR_T + + // from wxCharBuffer + wxString(const wxCharBuffer& psz) + : 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(); } @@ -271,14 +356,14 @@ 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() @@ -286,8 +371,9 @@ 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 @@ -300,55 +386,147 @@ public: // data access (all indexes are 0 based) // read access - char GetChar(size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } + wxChar GetChar(size_t n) const + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } // read/write access - char& GetWritableChar(size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + wxChar& GetWritableChar(size_t n) + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } // write access - void SetChar(size_t n, char ch) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } + void SetChar(size_t n, wxChar ch) + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } // get last character - char Last() const - { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; } + wxChar Last() const + { + wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); + + return m_pchData[Len() - 1]; + } + // get writable last character - char& Last() - { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; } + wxChar& Last() + { + 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... + */ - // on alpha-linux this gives overload problems: - // Also on Solaris, so removing for now (JACS) -#if ! defined(__ALPHA__) // operator version of GetChar - char operator[](size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } -#endif + wxChar operator[](size_t n) const + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } // operator version of GetChar - char operator[](int n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } - // operator version of GetWritableChar - char& operator[](size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + wxChar operator[](int n) const + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + + // operator version of GetWriteableChar + wxChar& operator[](size_t 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 char*() const { return m_pchData; } + operator const wxChar*() const { return m_pchData; } // explicit conversion to C string (use this with printf()!) - const char* c_str() const { return m_pchData; } + const wxChar* c_str() const { return m_pchData; } + // identical to c_str() + const wxChar* wx_str() const { return m_pchData; } + // identical to c_str() + const wxChar* GetData() const { return m_pchData; } + + // conversions with (possible) format convertions: have to return a + // buffer with temporary data // - const char* GetData() const { return m_pchData; } + // 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 = 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(wxConvFile); } +#else // !wxMBFILES + const wxChar* fn_str() const { return 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 // Unicode/ANSI // overloaded assignment // from another wxString wxString& operator=(const wxString& stringSrc); // from a character - wxString& operator=(char ch); + wxString& operator=(wxChar ch); // from a C string - wxString& operator=(const char *psz); + wxString& operator=(const wxChar *psz); +#if wxUSE_UNICODE + // from wxWCharBuffer + 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); +#endif + // from wxCharBuffer + wxString& operator=(const wxCharBuffer& psz) + { (void) operator=((const char *)psz); return *this; } +#endif // Unicode/ANSI // string concatenation // in place concatenation @@ -360,30 +538,55 @@ 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; } // string += C string - wxString& operator<<(const char *psz) - { ConcatSelf(Strlen(psz), psz); return *this; } + wxString& operator<<(const wxChar *psz) + { ConcatSelf(wxStrlen(psz), psz); return *this; } // string += char - wxString& operator<<(char ch) { ConcatSelf(1, &ch); return *this; } + wxString& operator<<(wxChar ch) { ConcatSelf(1, &ch); return *this; } // string += string void operator+=(const wxString& s) { (void)operator<<(s); } // string += C string - void operator+=(const char *psz) { (void)operator<<(psz); } + void operator+=(const wxChar *psz) { (void)operator<<(psz); } // string += char - void operator+=(char ch) { (void)operator<<(ch); } + void operator+=(wxChar ch) { (void)operator<<(ch); } + + // 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 // !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 char* psz) - { ConcatSelf(Strlen(psz), psz); return *this; } + 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(char ch, size_t count = 1u) + 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) @@ -393,61 +596,84 @@ public: // friend wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); // - friend wxString WXDLLEXPORT operator+(const wxString& string, char ch); + friend wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); // - friend wxString WXDLLEXPORT operator+(char ch, const wxString& string); + friend wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); // - friend wxString WXDLLEXPORT operator+(const wxString& string, const char *psz); + friend wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); // - friend wxString WXDLLEXPORT operator+(const char *psz, const wxString& string); + friend wxString WXDLLEXPORT 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: return 0 if =, +1 if > or -1 if < - int Cmp(const char *psz) const { return strcmp(c_str(), psz); } + // case-sensitive comparison (returns a value < 0, = 0 or > 0) + int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } // same as Cmp() but not case-sensitive - int CmpNoCase(const char *psz) const { return Stricmp(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 char *psz, bool compareWithCase = TRUE) const + 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 = STRING_MAXLEN) const; + 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(char ch) const; + wxString BeforeFirst(wxChar ch) const; // get all characters before the last occurence of ch // (returns empty string if ch not found) - wxString BeforeLast(char ch) const; + wxString BeforeLast(wxChar ch) const; // get all characters after the first occurence of ch // (returns empty string if ch not found) - wxString AfterFirst(char ch) const; + wxString AfterFirst(wxChar ch) const; // get all characters after the last occurence of ch // (returns the whole string if ch not found) - wxString AfterLast(char ch) const; + wxString AfterLast(wxChar ch) const; // for compatibility only, use more explicitly named functions above - wxString Before(char ch) const { return BeforeLast(ch); } - wxString After(char ch) const { return AfterFirst(ch); } + wxString Before(wxChar ch) const { return BeforeLast(ch); } + wxString After(wxChar ch) const { return AfterFirst(ch); } // case conversion // convert to upper case in place, return the string itself @@ -464,42 +690,59 @@ 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, char chPad = ' ', 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) - int Find(char ch, bool bFromEnd = FALSE) const; // like strchr/strrchr + int Find(wxChar ch, bool bFromEnd = FALSE) const; // like strchr/strrchr // searching (return starting index, or -1 if not found) - int Find(const char *pszSub) const; // like strstr + int Find(const wxChar *pszSub) const; // like strstr // replace first (or all of bReplaceAll) occurences of substring with // another string, returns the number of replacements made - size_t Replace(const char *szOld, - const char *szNew, + size_t Replace(const wxChar *szOld, + const wxChar *szNew, bool bReplaceAll = TRUE); // check if the string contents matches a mask containing '*' and '?' - bool Matches(const char *szMask) const; + 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 char *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 char* pszFormat, va_list argptr); + 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! - char *GetWriteBuf(size_t nLen); + 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 @@ -511,17 +754,18 @@ public: // values for first parameter of Strip function enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; - // use Printf() - int sprintf(const char *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 char* psz, caseCompare cmp = exact) const + inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const { return cmp == exact ? Cmp(psz) : CmpNoCase(psz); } // use Len size_t Length() const { return Len(); } // Count the number of characters - int Freq(char ch) const; + int Freq(wxChar ch) const; // use MakeLower void LowerCase() { MakeLower(); } // use MakeUpper @@ -530,19 +774,19 @@ public: wxString Strip(stripType w = trailing) const; // use Find (more general variants not yet supported) - size_t Index(const char* psz) const { return Find(psz); } - size_t Index(char ch) const { return Find(ch); } + size_t Index(const wxChar* psz) const { return Find(psz); } + 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 ); } // use Find() - int First( const char ch ) const { return Find(ch); } - int First( const char* psz ) const { return Find(psz); } + int First( const wxChar ch ) const { return Find(ch); } + int First( const wxChar* psz ) const { return Find(psz); } int First( const wxString &str ) const { return Find(str); } - int Last( const char ch ) const { return Find(ch, TRUE); } + int Last( const wxChar ch ) const { return Find(ch, TRUE); } bool Contains(const wxString& str) const { return Find(str) != -1; } // use IsEmpty() @@ -551,14 +795,21 @@ public: #ifdef wxSTD_STRING_COMPATIBILITY // std::string compatibility functions + // standard types + typedef wxChar value_type; + 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 @@ -570,19 +821,26 @@ public: // return the length of the string size_t length() const { return Len(); } // return the maximum size of the string - size_t max_size() const { return STRING_MAXLEN; } + size_t max_size() const { return wxSTRING_MAXLEN; } // resize the string, filling the space with c if c != 0 - void resize(size_t nSize, char ch = '\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 size) { Alloc(size); } // lib.string.access // return the character at position n - char at(size_t n) const { return GetChar(n); } + wxChar at(size_t n) const { return GetChar(n); } // returns the writable character at position n - char& at(size_t n) { return GetWritableChar(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(); } // lib.string.modifiers // append a string @@ -592,50 +850,51 @@ public: wxString& append(const wxString& str, size_t pos, size_t n) { ConcatSelf(n, str.c_str() + pos); return *this; } // append first n (or all if n == npos) characters of sz - wxString& append(const char *sz, size_t n = npos) - { ConcatSelf(n == npos ? Strlen(sz) : n, sz); return *this; } + wxString& append(const wxChar *sz, size_t n = npos) + { ConcatSelf(n == npos ? wxStrlen(sz) : n, sz); return *this; } // append n copies of ch - wxString& append(size_t n, char ch) { return Pad(n, ch); } + 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 char *)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 char *sz, size_t n = npos) - { return *this = wxString(sz, n); } + wxString& assign(const wxChar *sz, size_t n = npos) + { Empty(); return Append(sz, n == npos ? wxStrlen(sz) : n); } // same as `= n copies of ch' - wxString& assign(size_t n, char ch) - { return *this = wxString(ch, n); } + wxString& assign(size_t n, wxChar ch) + { Empty(); return Append(ch, n); } // insert another string wxString& insert(size_t nPos, const wxString& str); // insert n chars of str starting at nStart (in str) wxString& insert(size_t nPos, const wxString& str, size_t nStart, size_t n) - { return insert(nPos, wxString((const char *)str + nStart, n)); } + { return insert(nPos, wxString((const wxChar *)str + nStart, n)); } // insert first n (or all if n == npos) characters of sz - wxString& insert(size_t nPos, const char *sz, size_t n = npos) + wxString& insert(size_t nPos, const wxChar *sz, size_t n = npos) { return insert(nPos, wxString(sz, n)); } // insert n copies of ch - wxString& insert(size_t nPos, size_t n, char ch) + wxString& insert(size_t nPos, size_t n, wxChar ch) { return insert(nPos, wxString(ch, n)); } // delete characters from nStart to nStart + nLen wxString& erase(size_t nStart = 0, size_t nLen = npos); // replaces the substring of length nLen starting at nStart - wxString& replace(size_t nStart, size_t nLen, const char* sz); + wxString& replace(size_t nStart, size_t nLen, const wxChar* sz); // replaces the substring with nCount copies of ch - wxString& replace(size_t nStart, size_t nLen, size_t nCount, char ch); + wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch); // replaces a substring with another substring 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 char* 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); @@ -650,13 +909,13 @@ public: // VC++ 1.5 can't cope with this syntax. #if !defined(__VISUALC__) || defined(__WIN32__) // find first n characters of sz - size_t find(const char* sz, size_t nStart = 0, size_t n = npos) const; -#endif + size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; +#endif // VC++ 1.5 // Gives a duplicate symbol (presumably a case-insensitivity problem) #if !defined(__BORLANDC__) // find the first occurence of character ch after nStart - size_t find(char ch, size_t nStart = 0) const; + size_t find(wxChar ch, size_t nStart = 0) const; #endif // rfind() family is exactly like find() but works right to left @@ -666,41 +925,47 @@ public: // VC++ 1.5 can't cope with this syntax. #if !defined(__VISUALC__) || defined(__WIN32__) // as find, but from the end - size_t rfind(const char* sz, size_t nStart = npos, + size_t rfind(const wxChar* sz, size_t nStart = npos, size_t n = npos) const; // as find, but from the end - size_t rfind(char ch, size_t nStart = npos) const; -#endif + size_t rfind(wxChar ch, size_t nStart = npos) const; +#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; - // - size_t find_first_of(const char* sz, 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(char 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 char* s, size_t nStart = npos) const; - // same as rfind(char, size_t) - size_t find_last_of (char 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 char* s, size_t nStart = 0) const; - // - size_t find_first_not_of(char 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 char* s, size_t nStart = npos) const; - // - size_t find_last_not_of(char ch, size_t nStart = npos) 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; + // 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, // equal or greater than the compare() argument. @@ -708,18 +973,22 @@ 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 char* sz) const { return Cmp(sz); } + 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 char* 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 }; @@ -737,12 +1006,30 @@ public: // so the original string may be safely deleted. When a string is retrieved // from the array (operator[] or Item() method), a reference is returned. // ---------------------------------------------------------------------------- + class WXDLLEXPORT wxArrayString { public: + // type of function used by wxArrayString::Sort() + typedef int (*CompareFunction)(const wxString& first, + const wxString& second); + // constructors and destructor // default ctor - wxArrayString(); + wxArrayString() + : m_nSize(0), m_nCount(0), m_pItems(NULL), m_autoSort(FALSE) + { Init(FALSE); } + // if autoSort is TRUE, the array is always sorted (in alphabetical order) + // + // NB: the reason for using int and not bool is that like this we can avoid + // using this ctor for implicit conversions from "const char *" (which + // we'd like to be implicitly converted to wxString instead!) + // + // of course, using explicit would be even better - if all compilers + // supported it... + wxArrayString(int autoSort) + : m_nSize(0), m_nCount(0), m_pItems(NULL), m_autoSort(FALSE) + { Init(autoSort != 0); } // copy ctor wxArrayString(const wxArrayString& array); // assignment operator @@ -771,95 +1058,207 @@ public: // 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]); } + { + wxASSERT_MSG( nIndex < m_nCount, + _T("wxArrayString: index out of bounds") ); + + 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); } + wxString& Last() const + { + wxASSERT_MSG( !IsEmpty(), + _T("wxArrayString: index out of bounds") ); + return Item(Count() - 1); + } + + // return a wxString[], useful for the controls which + // take one in their ctor. You must delete[] it yourself + // once you are done with it. Will return NULL if the + // ArrayString was empty. + wxString* GetStringArray() const; // 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 char *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const; - // add new element at the end - void Add(const wxString& str); + int Index (const wxChar *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const; + // add new element at the end (if the array is not sorted), return its + // index + size_t Add(const wxString& str, size_t nInsert = 1); // add new element at given position - void Insert(const wxString& str, size_t uiIndex); + void Insert(const wxString& str, size_t uiIndex, size_t nInsert = 1); + // expand the array to have count elements + void SetCount(size_t count); // remove first item matching this value - void Remove(const char *sz); + void Remove(const wxChar *sz); // remove item by index - void Remove(size_t nIndex); - - // sort array elements - void Sort(bool bCase = TRUE, bool bReverse = FALSE); + void Remove(size_t nIndex, size_t nRemove = 1); + void RemoveAt(size_t nIndex, size_t nRemove = 1) { Remove(nIndex, nRemove); } + + // 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); + + // comparison + // compare two arrays case sensitively + bool operator==(const wxArrayString& a) const; + // compare two arrays case sensitively + bool operator!=(const wxArrayString& a) const { return !(*this == a); } + +protected: + void Init(bool autoSort); // common part of all ctors + void Copy(const wxArrayString& src); // copies the contents of another array private: - void Grow(); // makes array bigger if needed - void Free(); // free the string stored + void Grow(size_t nIncrement = 0); // makes array bigger if needed + void Free(); // free all the strings stored + + void DoSort(); // common part of all Sort() variants size_t m_nSize, // current size of the array m_nCount; // current number of elements - char **m_pItems; // pointer to data + wxChar **m_pItems; // pointer to data + + bool m_autoSort; // if TRUE, keep the array always sorted +}; + +class WXDLLEXPORT wxSortedArrayString : public wxArrayString +{ +public: + wxSortedArrayString() : wxArrayString(TRUE) + { } + wxSortedArrayString(const wxArrayString& array) : wxArrayString(TRUE) + { Copy(array); } +}; + +// ---------------------------------------------------------------------------- +// wxStringBuffer: a tiny class allowing to get a writable pointer into string +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxStringBuffer +{ + DECLARE_NO_COPY_CLASS(wxStringBuffer) + +public: + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL) + { m_buf = m_str.GetWriteBuf(lenWanted); } + + ~wxStringBuffer() { m_str.UngetWriteBuf(); } + + operator wxChar*() const { return m_buf; } + +private: + wxString& m_str; + wxChar *m_buf; }; // --------------------------------------------------------------------------- // 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 char * s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const char * 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 char * s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const char * 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 char * s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const char * 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 char * s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const char * 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 char * s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const char * 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 char * s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const char * 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.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 WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); -wxString WXDLLEXPORT operator+(const wxString& string, char ch); -wxString WXDLLEXPORT operator+(char ch, const wxString& string); -wxString WXDLLEXPORT operator+(const wxString& string, const char *psz); -wxString WXDLLEXPORT operator+(const char *psz, const wxString& string); +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); +#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" -WXDLLEXPORT istream& operator>>(istream& is, wxString& str); +WXDLLEXPORT wxSTD istream& operator>>(wxSTD istream&, wxString&); +WXDLLEXPORT wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); #endif // wxSTD_STRING_COMPATIBILITY