X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b1ac3b56e6b5b7342d69aa3b33744c345edb3d1e..6580df1b72539453610530247a0b3bea8dad172a:/include/wx/string.h diff --git a/include/wx/string.h b/include/wx/string.h index b285cdefb6..71d0b84807 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -1,34 +1,23 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: string.h +// Name: wx/string.h // Purpose: wxString and wxArrayString classes // Author: Vadim Zeitlin // Modified by: // 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 + wxWidgets 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" -#endif - -// ---------------------------------------------------------------------------- -// conditinal compilation -// ---------------------------------------------------------------------------- - -// compile the std::string compatibility functions if defined -#define wxSTD_STRING_COMPATIBILITY - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- @@ -39,10 +28,6 @@ #include #endif -#ifdef __EMX__ - #include -#endif - #if defined(__VISAGECPP__) && __IBMCPP__ >= 400 // problem in VACPP V4 with including stdlib.h multiple times // strconv includes it anyway @@ -58,14 +43,22 @@ # include #endif -#ifdef HAVE_STRINGS_H +#ifdef HAVE_STRCASECMP_IN_STRINGS_H #include // for strcasecmp() -#endif // HAVE_STRINGS_H +#endif // HAVE_STRCASECMP_IN_STRINGS_H + +#ifdef __WXPALMOS__ + #include +#endif -#include "wx/wxchar.h" // for wxChar +#include "wx/wxchar.h" // for wxChar, wxStrlen() etc. +#include "wx/unichar.h" +#include "wx/strvararg.h" #include "wx/buffer.h" // for wxCharBuffer #include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes +class WXDLLIMPEXP_BASE wxString; + // --------------------------------------------------------------------------- // macros // --------------------------------------------------------------------------- @@ -79,49 +72,59 @@ // implementation only #define wxASSERT_VALID_INDEX(i) \ - wxASSERT_MSG( (size_t)(i) <= Len(), _T("invalid index in wxString") ) + wxASSERT_MSG( (size_t)(i) <= length(), _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; +#if WXWIN_COMPATIBILITY_2_6 -#else +// deprecated in favour of wxString::npos, don't use in new code +// // maximum possible length for a string means "take all string" everywhere -// (as sizeof(StringData) is unknown here, we substract 100) -const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100; +#define wxSTRING_MAXLEN wxStringBase::npos -#endif +#endif // WXWIN_COMPATIBILITY_2_6 // ---------------------------------------------------------------------------- // global data // ---------------------------------------------------------------------------- // global pointer to empty string -WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; +extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxEmptyString; // --------------------------------------------------------------------------- // global functions complementing standard C string library replacements for // strlen() and portable strcasecmp() //--------------------------------------------------------------------------- -// Use wxXXX() functions from wxchar.h instead! These functions are for +#if WXWIN_COMPATIBILITY_2_8 +// Use wxXXX() functions from wxcrt.h instead! These functions are for // backwards compatibility only. // checks whether the passed in pointer is NULL and if the string is empty +wxDEPRECATED( inline bool IsEmpty(const char *p) ); inline bool IsEmpty(const char *p) { return (!p || !*p); } // safe version of strlen() (returns 0 if passed NULL pointer) +wxDEPRECATED( inline size_t Strlen(const char *psz) ); inline size_t Strlen(const char *psz) { return psz ? strlen(psz) : 0; } // portable strcasecmp/_stricmp +wxDEPRECATED( inline int 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__) return _stricmp(psz1, psz2); @@ -137,7 +140,10 @@ inline int Stricmp(const char *psz1, const char *psz2) return stricmp(psz1, psz2); #elif defined(__WXPM__) return stricmp(psz1, psz2); -#elif defined(__UNIX__) || defined(__GNUWIN32__) +#elif defined(__WXPALMOS__) || \ + defined(HAVE_STRCASECMP_IN_STRING_H) || \ + defined(HAVE_STRCASECMP_IN_STRINGS_H) || \ + defined(__GNUWIN32__) return strcasecmp(psz1, psz2); #elif defined(__MWERKS__) && !defined(__INTEL__) register char c1, c2; @@ -165,43 +171,57 @@ inline int Stricmp(const char *psz1, const char *psz2) #endif // OS/compiler } -#ifndef wxSnprintf -// 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; -#else -// GNU libc 2.2 only has for wxSnprintf for Unicode called swprintf -// so we imitate wxSprintf using it. -extern int WXDLLEXPORT wxSprintf(wxChar *buf, - const wxChar *format, - ...) ATTRIBUTE_PRINTF_2; -#endif +#endif // WXWIN_COMPATIBILITY_2_8 + +// ---------------------------------------------------------------------------- +// deal with STL/non-STL/non-STL-but-wxUSE_STD_STRING +// ---------------------------------------------------------------------------- + +// in both cases we need to define wxStdString +#if wxUSE_STL || wxUSE_STD_STRING -#ifndef wxVsnprintf -// and wxVsnprintf() is like vsnprintf() or vsprintf() -extern int WXDLLEXPORT wxVsnprintf(wxChar *buf, size_t len, - const wxChar *format, - va_list argptr); +#include "wx/beforestd.h" +#include +#include "wx/afterstd.h" + +#if wxUSE_UNICODE + #ifdef HAVE_STD_WSTRING + typedef std::wstring wxStdString; + #else + typedef std::basic_string wxStdString; + #endif #else -// GNU libc 2.2 only has for wxVsnprintf for Unicode called vswprintf -// so we imitate wxVsprintf using it. -extern int WXDLLEXPORT wxVsprintf(wxChar *buf, - const wxChar *format, - va_list argptr); + typedef std::string wxStdString; #endif -// return an empty wxString -class WXDLLEXPORT wxString; // not yet defined -inline const wxString& wxGetEmptyString() { return *(wxString *)&wxEmptyString; } +#endif // need + +#if wxUSE_STL + + // we don't need an extra ctor from std::string when copy ctor already does + // the work + #undef wxUSE_STD_STRING + #define wxUSE_STD_STRING 0 + + #if (defined(__GNUG__) && (__GNUG__ < 3)) || \ + (defined(_MSC_VER) && (_MSC_VER <= 1200)) + #define wxSTRING_BASE_HASNT_CLEAR + #endif + + typedef wxStdString wxStringBase; +#else // if !wxUSE_STL + +#if !defined(HAVE_STD_STRING_COMPARE) && \ + (!defined(__WX_SETUP_H__) || wxUSE_STL == 0) + #define HAVE_STD_STRING_COMPARE +#endif // --------------------------------------------------------------------------- // 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 @@ -217,12 +237,19 @@ struct WXDLLEXPORT wxStringData // lock/unlock void Lock() { if ( !IsEmpty() ) nRefs++; } - // VC++ will refuse to inline this function but profiling shows that it - // is wrong + // 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 @@ -230,37 +257,12 @@ struct WXDLLEXPORT wxStringData bool IsValid() const { return (nRefs != 0); } }; -// --------------------------------------------------------------------------- -// This is (yet another one) String class for C++ programmers. It doesn't use -// any of "advanced" C++ features (i.e. templates, exceptions, namespaces...) -// thus you should be able to compile it with practicaly any C++ compiler. -// This class uses copy-on-write technique, i.e. identical strings share the -// same memory as long as neither of them is changed. -// -// This class aims to be as compatible as possible with the new standard -// std::string class, but adds some additional functions and should be at -// least as efficient than the standard implementation. -// -// Performance note: it's more efficient to write functions which take "const -// String&" arguments than "const char *" if you assign the argument to -// another string. -// -// It was compiled and tested under Win32, Linux (libc 5 & 6), Solaris 5.5. -// -// To do: -// - ressource support (string tables in ressources) -// - more wide character (UNICODE) support -// - regular expressions support -// --------------------------------------------------------------------------- - -class WXDLLEXPORT wxString +class WXDLLIMPEXP_BASE wxStringBase { -friend class WXDLLEXPORT wxArrayString; - - // NB: special care was taken in arranging the member functions in such order - // that all inline functions can be effectively inlined, verify that all - // performace critical functions are still inlined if you change order! -private: +public : + // an 'invalid' value for string index, moved to this place due to a CW bug + static const size_t npos; +protected: // points to data preceded by wxStringData structure with ref count info wxChar *m_pchData; @@ -271,8 +273,8 @@ private: // initializes the string to the empty value (must be called only from // ctors, use Reinit() otherwise) 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); + // initializes the string with (a part of) C-string + void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = npos); // as Init, but also frees old data void Reinit() { GetStringData()->Unlock(); Init(); } @@ -285,39 +287,166 @@ private: bool AssignCopy(size_t, const wxChar *); // append a (sub)string - bool ConcatSelf(int nLen, const wxChar *src); + bool ConcatSelf(size_t nLen, const wxChar *src, size_t nMaxLen); + bool ConcatSelf(size_t nLen, const wxChar *src) + { return ConcatSelf(nLen, src, nLen); } // 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) 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); + // compatibility with wxString + bool Alloc(size_t nLen); +public: + // standard types + typedef wxUniChar value_type; + typedef wxUniChar char_type; + typedef wxUniCharRef reference; + typedef wxChar* pointer; + typedef const wxChar* const_pointer; + + typedef size_t size_type; + typedef wxUniChar const_reference; + + #define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, \ + reference_type, reference_ctor) \ + public: \ + typedef wxUniChar value_type; \ + typedef reference_type reference; \ + typedef pointer_type pointer; \ + \ + iterator_name(const iterator_name& i) : m_cur(i.m_cur) {} \ + \ + reference operator*() const { return reference_ctor; } \ + \ + iterator_name& operator++() \ + { ++m_cur; return *this; } \ + iterator_name operator++(int) \ + { iterator_name tmp = *this; ++m_cur; return tmp; } \ + iterator_name& operator--() \ + { --m_cur; return *this; } \ + iterator_name operator--(int) \ + { iterator_name tmp = *this; --m_cur; return tmp; } \ + \ + iterator_name operator+(int n) const \ + { return iterator_name(m_cur + n); } \ + iterator_name operator+(size_t n) const \ + { return iterator_name(m_cur + n); } \ + iterator_name operator-(int n) const \ + { return iterator_name(m_cur - n); } \ + iterator_name operator-(size_t n) const \ + { return iterator_name(m_cur - n); } \ + iterator_name operator+=(int n) \ + { m_cur += n; return *this; } \ + iterator_name operator+=(size_t n) \ + { m_cur += n; return *this; } \ + iterator_name operator-=(int n) \ + { m_cur -= n; return *this; } \ + iterator_name operator-=(size_t n) \ + { m_cur -= n; return *this; } \ + \ + unsigned operator-(const iterator_name& i) const \ + { return m_cur - i.m_cur; } \ + \ + bool operator==(const iterator_name&i) const \ + { return m_cur == i.m_cur; } \ + bool operator!=(const iterator_name& i) const \ + { return m_cur != i.m_cur; } \ + \ + bool operator<(const iterator_name& i) const \ + { return m_cur < i.m_cur; } \ + bool operator>(const iterator_name& i) const \ + { return m_cur > i.m_cur; } \ + bool operator<=(const iterator_name& i) const \ + { return m_cur <= i.m_cur; } \ + bool operator>=(const iterator_name& i) const \ + { return m_cur >= i.m_cur; } \ + \ + protected: \ + /* for internal wxString use only: */ \ + iterator_name(pointer ptr) : m_cur(ptr) {} \ + operator pointer() const { return m_cur; } \ + \ + friend class WXDLLIMPEXP_BASE wxString; \ + friend class WXDLLIMPEXP_BASE wxStringBase; \ + friend class WXDLLIMPEXP_BASE wxCStrData; \ + \ + protected: \ + pointer m_cur; + + class const_iterator; + + class iterator + { + WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef, + wxUniCharRef::CreateForString(m_cur)) + + friend class const_iterator; + }; + + class const_iterator + { + // NB: reference_type is intentionally value, not reference, the character + // may be encoded differently in wxString data: + WX_STR_ITERATOR_IMPL(const_iterator, const wxChar*, wxUniChar, + wxUniChar(*m_cur)) + + public: + const_iterator(const iterator& i) : m_cur(i.m_cur) {} + }; + + #undef WX_STR_ITERATOR + + template + class reverse_iterator_impl + { + public: + typedef T iterator_type; + typedef typename T::value_type value_type; + typedef typename T::reference reference; + typedef typename T::pointer *pointer; + + reverse_iterator_impl(iterator_type i) : m_cur(i) {} + reverse_iterator_impl(const reverse_iterator_impl& ri) + : m_cur(ri.m_cur) {} + + iterator_type base() const { return m_cur; } + + reference operator*() const { return *(m_cur-1); } + + reverse_iterator_impl& operator++() + { --m_cur; return *this; } + reverse_iterator_impl operator++(int) + { reverse_iterator_impl tmp = *this; --m_cur; return tmp; } + reverse_iterator_impl& operator--() + { ++m_cur; return *this; } + reverse_iterator_impl operator--(int) + { reverse_iterator_impl tmp = *this; ++m_cur; return tmp; } + + bool operator==(const reverse_iterator_impl& ri) const + { return m_cur == ri.m_cur; } + bool operator!=(const reverse_iterator_impl& ri) const + { return !(*this == ri); } + + private: + iterator_type m_cur; + }; + + typedef reverse_iterator_impl reverse_iterator; + typedef reverse_iterator_impl const_reverse_iterator; - // 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); -public: // constructors and destructor // ctor for an empty string - wxString() : m_pchData(NULL) { Init(); } + wxStringBase() { Init(); } // copy ctor - wxString(const wxString& stringSrc) : m_pchData(NULL) + wxStringBase(const wxStringBase& stringSrc) { wxASSERT_MSG( stringSrc.GetStringData()->IsValid(), _T("did you forget to call UngetWriteBuf()?") ); - if ( stringSrc.IsEmpty() ) { + if ( stringSrc.empty() ) { // nothing to do for an empty string Init(); } @@ -327,51 +456,548 @@ public: } } // string containing nRepeat copies of ch - wxString(wxChar ch, size_t nRepeat = 1); + wxStringBase(size_type nRepeat, wxUniChar ch); + // ctor takes first nLength characters from C string + // (default value of npos means take all the string) + wxStringBase(const wxChar *psz) + { InitWith(psz, 0, npos); } + wxStringBase(const wxChar *psz, size_t nLength) + { InitWith(psz, 0, nLength); } + wxStringBase(const wxChar *psz, + const wxMBConv& WXUNUSED(conv), + size_t nLength = npos) + { InitWith(psz, 0, nLength); } + // take nLen chars starting at nPos + wxStringBase(const wxStringBase& str, size_t nPos, size_t nLen) + { + wxASSERT_MSG( str.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); + Init(); + size_t strLen = str.length() - nPos; nLen = strLen < nLen ? strLen : nLen; + InitWith(str.c_str(), nPos, nLen); + } + // take all characters from pStart to pEnd + wxStringBase(const void *pStart, const void *pEnd); + + // dtor is not virtual, this class must not be inherited from! + ~wxStringBase() + { +#if defined(__VISUALC__) && (__VISUALC__ >= 1200) + //RN - according to the above VC++ does indeed inline this, + //even though it spits out two warnings + #pragma warning (disable:4714) +#endif + + GetStringData()->Unlock(); + } + +#if defined(__VISUALC__) && (__VISUALC__ >= 1200) + //re-enable inlining warning + #pragma warning (default:4714) +#endif + // overloaded assignment + // from another wxString + wxStringBase& operator=(const wxStringBase& stringSrc); + // from a character + wxStringBase& operator=(wxUniChar ch); + // from a C string + wxStringBase& operator=(const wxChar *psz); + + // return the length of the string + size_type length() const { return GetStringData()->nDataLength; } + // return the length of the string + size_type size() const { return length(); } + // return the maximum size of the string + size_type max_size() const { return npos; } + // resize the string, filling the space with c if c != 0 + void resize(size_t nSize, wxUniChar ch = wxT('\0')); + // delete the contents of the string + void clear() { erase(0, npos); } + // returns true if the string is empty + bool empty() const { return length() == 0; } + // inform string about planned change in size + void reserve(size_t sz) { Alloc(sz); } + size_type capacity() const { return GetStringData()->nAllocLength; } + + // lib.string.access + // return the character at position n + value_type at(size_type n) const + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + // returns the writable character at position n + reference at(size_type n) + { + wxASSERT_VALID_INDEX( n ); + CopyBeforeWrite(); + return wxUniCharRef::CreateForString(&m_pchData[n]); + } + + // lib.string.modifiers + // append elements str[pos], ..., str[pos+n] + wxStringBase& append(const wxStringBase& str, size_t pos, size_t n) + { + wxASSERT(pos <= str.length()); + ConcatSelf(n, str.c_str() + pos, str.length() - pos); + return *this; + } + // append a string + wxStringBase& append(const wxStringBase& str) + { ConcatSelf(str.length(), str.c_str()); return *this; } + // append first n (or all if n == npos) characters of sz + wxStringBase& append(const wxChar *sz) + { ConcatSelf(wxStrlen(sz), sz); return *this; } + wxStringBase& append(const wxChar *sz, size_t n) + { ConcatSelf(n, sz); return *this; } + // append n copies of ch + wxStringBase& append(size_t n, wxUniChar ch); + // append from first to last + wxStringBase& append(const_iterator first, const_iterator last) + { ConcatSelf(last - first, first); return *this; } + + // same as `this_string = str' + wxStringBase& assign(const wxStringBase& str) + { return *this = str; } + // same as ` = str[pos..pos + n] + wxStringBase& assign(const wxStringBase& str, size_t pos, size_t n) + { clear(); return append(str, pos, n); } + // same as `= first n (or all if n == npos) characters of sz' + wxStringBase& assign(const wxChar *sz) + { clear(); return append(sz, wxStrlen(sz)); } + wxStringBase& assign(const wxChar *sz, size_t n) + { clear(); return append(sz, n); } + // same as `= n copies of ch' + wxStringBase& assign(size_t n, wxUniChar ch) + { clear(); return append(n, ch); } + // assign from first to last + wxStringBase& assign(const_iterator first, const_iterator last) + { clear(); return append(first, last); } + + // first valid index position + const_iterator begin() const { return m_pchData; } + iterator begin(); + // position one after the last valid one + const_iterator end() const { return m_pchData + length(); } + iterator end(); + + // first element of the reversed string + const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); } + reverse_iterator rbegin() { return reverse_iterator(end()); } + // one beyond the end of the reversed string + const_reverse_iterator rend() const { return const_reverse_iterator(begin()); } + reverse_iterator rend() { return reverse_iterator(begin()); } + + // insert another string + wxStringBase& insert(size_t nPos, const wxStringBase& str) + { + wxASSERT( str.GetStringData()->IsValid() ); + return insert(nPos, str.c_str(), str.length()); + } + // insert n chars of str starting at nStart (in str) + wxStringBase& insert(size_t nPos, const wxStringBase& str, size_t nStart, size_t n) + { + wxASSERT( str.GetStringData()->IsValid() ); + wxASSERT( nStart < str.length() ); + size_t strLen = str.length() - nStart; + n = strLen < n ? strLen : n; + return insert(nPos, str.c_str() + nStart, n); + } + // insert first n (or all if n == npos) characters of sz + wxStringBase& insert(size_t nPos, const wxChar *sz, size_t n = npos); + // insert n copies of ch + wxStringBase& insert(size_t nPos, size_t n, wxUniChar ch) + { return insert(nPos, wxStringBase(n, ch)); } + iterator insert(iterator it, wxUniChar ch) + { size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; } + void insert(iterator it, const_iterator first, const_iterator last) + { insert(it - begin(), first, last - first); } + void insert(iterator it, size_type n, wxUniChar ch) + { insert(it - begin(), n, ch); } + + // delete characters from nStart to nStart + nLen + wxStringBase& erase(size_type pos = 0, size_type n = npos); + iterator erase(iterator first, iterator last) + { + size_t idx = first - begin(); + erase(idx, last - first); + return begin() + idx; + } + iterator erase(iterator first); + + // explicit conversion to C string (use this with printf()!) + const wxChar* c_str() const { return m_pchData; } + const wxChar* data() const { return m_pchData; } + + // replaces the substring of length nLen starting at nStart + wxStringBase& replace(size_t nStart, size_t nLen, const wxChar* sz); + // replaces the substring of length nLen starting at nStart + wxStringBase& replace(size_t nStart, size_t nLen, const wxStringBase& str) + { return replace(nStart, nLen, str.c_str()); } + // replaces the substring with nCount copies of ch + wxStringBase& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch); + // replaces a substring with another substring + wxStringBase& replace(size_t nStart, size_t nLen, + const wxStringBase& str, size_t nStart2, size_t nLen2); + // replaces the substring with first nCount chars of sz + wxStringBase& replace(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount); + wxStringBase& replace(iterator first, iterator last, const_pointer s) + { return replace(first - begin(), last - first, s); } + wxStringBase& replace(iterator first, iterator last, const_pointer s, + size_type n) + { return replace(first - begin(), last - first, s, n); } + wxStringBase& replace(iterator first, iterator last, const wxStringBase& s) + { return replace(first - begin(), last - first, s); } + wxStringBase& replace(iterator first, iterator last, size_type n, wxUniChar c) + { return replace(first - begin(), last - first, n, c); } + wxStringBase& replace(iterator first, iterator last, + const_iterator first1, const_iterator last1) + { return replace(first - begin(), last - first, first1, last1 - first1); } + + // swap two strings + void swap(wxStringBase& str); + + // All find() functions take the nStart argument which specifies the + // position to start the search on, the default value is 0. All functions + // return npos if there were no match. + + // find a substring + size_t find(const wxStringBase& str, size_t nStart = 0) const; + + // find first n characters of sz + size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; + + // find the first occurence of character ch after nStart + size_t find(wxUniChar ch, size_t nStart = 0) const; + + // rfind() family is exactly like find() but works right to left + + // as find, but from the end + size_t rfind(const wxStringBase& str, size_t nStart = npos) const; + + // as find, but from the end + size_t rfind(const wxChar* sz, size_t nStart = npos, + size_t n = npos) const; + // as find, but from the end + size_t rfind(wxUniChar ch, size_t nStart = npos) const; + + // find first/last occurence of any character in the set + + // as strpbrk() but starts at nStart, returns npos if not found + size_t find_first_of(const wxStringBase& 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; + size_t find_first_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as find(char, size_t) + size_t find_first_of(wxUniChar 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 wxStringBase& 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; + size_t find_last_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as above + size_t find_last_of(wxUniChar c, size_t nStart = npos) const + { return rfind(c, nStart); } + + // find first/last occurence of any character not in the set + + // as strspn() (starting from nStart), returns npos on failure + size_t find_first_not_of(const wxStringBase& 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; + size_t find_first_not_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as above + size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const; + // as strcspn() + size_t find_last_not_of(const wxStringBase& str, size_t nStart = npos) const + { return find_last_not_of(str.c_str(), nStart); } + // same as above + size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; + size_t find_last_not_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as above + size_t find_last_not_of(wxUniChar 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. + + // comparison with another string + int compare(const wxStringBase& str) const; + // comparison with a substring + int compare(size_t nStart, size_t nLen, const wxStringBase& str) const; + // comparison of 2 substrings + int compare(size_t nStart, size_t nLen, + const wxStringBase& str, size_t nStart2, size_t nLen2) const; + // comparison with a c string + int compare(const wxChar* sz) const; + // substring comparison with first nCount characters of sz + int compare(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount = npos) const; + + size_type copy(wxChar* s, size_type n, size_type pos = 0); + + // substring extraction + wxStringBase substr(size_t nStart = 0, size_t nLen = npos) const; + + // string += string + wxStringBase& operator+=(const wxStringBase& s) { return append(s); } + // string += C string + wxStringBase& operator+=(const wxChar *psz) { return append(psz); } + // string += char + wxStringBase& operator+=(wxUniChar ch) { return append(1, ch); } + wxStringBase& operator+=(wxUniCharRef ch) { return append(1, ch); } + wxStringBase& operator+=(char ch) { return append(1, ch); } + wxStringBase& operator+=(wchar_t ch) { return append(1, ch); } +}; + +#endif // !wxUSE_STL + +// ---------------------------------------------------------------------------- +// wxCStrData +// ---------------------------------------------------------------------------- + +// Lightweight object returned by wxString::c_str() and implicitly convertible +// to either const char* or const wchar_t*. +class WXDLLIMPEXP_BASE wxCStrData +{ +private: + // Ctors; for internal use by wxString and wxCStrData only + wxCStrData(const wxString *str, size_t offset = 0, bool owned = false) + : m_str(str), m_offset(offset), m_owned(owned) {} + +public: + // Ctor constructs the object from char literal; they are needed to make + // operator?: compile and they intentionally take char*, not const char* + wxCStrData(char *buf); + wxCStrData(wchar_t *buf); + + ~wxCStrData(); + + // FIXME: we'll need convertors for both char* and wchar_t* and NONE + // for wxChar*, but that's after completing the transition to + // "smart" wxUniChar class. For now, just have conversion to + // char* in ANSI build and wchar_t in Unicode build. +#if wxUSE_UNICODE + const wchar_t* AsWChar() const; + operator const wchar_t*() const { return AsWChar(); } +#else + const char* AsChar() const; + operator const char*() const { return AsChar(); } +#endif + + wxString AsString() const; + operator wxString() const; + + // allow expressions like "c_str()[0]": + wxUniChar operator[](int n) const { return operator[](size_t(n)); } + wxUniChar operator[](size_t n) const; + wxUniChar operator[](long n) const { return operator[](size_t(n)); } +#ifndef wxSIZE_T_IS_UINT + wxUniChar operator[](unsigned int n) const { return operator[](size_t(n)); } +#endif // size_t != unsigned int + + // these operators are needed to emulate the pointer semantics of c_str(): + // expressions like "wxChar *p = str.c_str() + 1;" should continue to work + // (we need both versions to resolve ambiguities): + wxCStrData operator+(int n) const + { return wxCStrData(m_str, m_offset + n, m_owned); } + wxCStrData operator+(long n) const + { return wxCStrData(m_str, m_offset + n, m_owned); } + wxCStrData operator+(size_t n) const + { return wxCStrData(m_str, m_offset + n, m_owned); } + + // this operator is need to make expressions like "*c_str()" or + // "*(c_str() + 2)" work + wxUniChar operator*() const; + +private: + const wxString *m_str; + size_t m_offset; + bool m_owned; + + friend class WXDLLIMPEXP_BASE wxString; +}; + +// ---------------------------------------------------------------------------- +// wxStringPrintfMixin +// --------------------------------------------------------------------------- + +// NB: VC6 has a bug that causes linker errors if you have template methods +// in a class using __declspec(dllimport). The solution is to split such +// class into two classes, one that contains the template methods and does +// *not* use WXDLLIMPEXP_BASE and another class that contains the rest +// (with DLL linkage). +// +// We only do this for VC6 here, because the code is less efficient +// (Printf() has to use dynamic_cast<>) and because OpenWatcom compiler +// cannot compile this code. + +#if defined(__VISUALC__) && __VISUALC__ < 1300 + #define wxNEEDS_WXSTRING_PRINTF_MIXIN +#endif + +#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN +// this class contains implementation of wxString's vararg methods, it's +// exported from wxBase DLL +class WXDLLIMPEXP_BASE wxStringPrintfMixinBase +{ +protected: + wxStringPrintfMixinBase() {} + + int DoPrintf(const wxChar *format, ...) ATTRIBUTE_PRINTF_2; + static wxString DoFormat(const wxChar *format, ...) ATTRIBUTE_PRINTF_1; +}; + +// this class contains template wrappers for wxString's vararg methods, it's +// intentionally *not* exported from the DLL in order to fix the VC6 bug +// described above +class wxStringPrintfMixin : public wxStringPrintfMixinBase +{ +private: + // to further complicate things, we can't return wxString from + // wxStringPrintfMixin::Format() because wxString is not yet declared at + // this point; the solution is to use this fake type trait template - this + // way the compiler won't know the return type until Format() is used + // (this doesn't compile with Watcom, but VC6 compiles it just fine): + template struct StringReturnType + { + typedef wxString type; + }; + +public: + // these are duplicated wxString methods, they're also declared below + // if !wxNEEDS_WXSTRING_PRINTF_MIXIN: + + // int Printf(const wxChar *pszFormat, ...); + WX_DEFINE_VARARG_FUNC(int, Printf, DoPrintf) + // static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1; + WX_DEFINE_VARARG_FUNC(static typename StringReturnType::type, + Format, DoFormat) + // int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; + WX_DEFINE_VARARG_FUNC(int, sprintf, DoPrintf) + +protected: + wxStringPrintfMixin() : wxStringPrintfMixinBase() {} +}; +#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN + + +// ---------------------------------------------------------------------------- +// wxString: string class trying to be compatible with std::string, MFC +// CString and wxWindows 1.x wxString all at once +// --------------------------------------------------------------------------- + +#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN + // "non dll-interface class 'wxStringPrintfMixin' used as base interface + // for dll-interface class 'wxString'" -- this is OK in our case + #pragma warning (disable:4275) +#endif + +class WXDLLIMPEXP_BASE wxString : public wxStringBase +#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN + ,public wxStringPrintfMixin +#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 + // performance critical functions are still inlined if you change order! +private: + // 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); + +public: + // constructors and destructor + // ctor for an empty string + wxString() : wxStringBase() { } + // copy ctor + wxString(const wxStringBase& stringSrc) : wxStringBase(stringSrc) { } + wxString(const wxString& stringSrc) : wxStringBase(stringSrc) { } + // string containing nRepeat copies of ch + wxString(wxUniChar ch, size_t nRepeat = 1) + : wxStringBase(nRepeat, ch) { } + wxString(size_t nRepeat, wxUniChar ch) + : wxStringBase(nRepeat, ch) { } + wxString(wxUniCharRef ch, size_t nRepeat = 1) + : wxStringBase(nRepeat, ch) { } + wxString(size_t nRepeat, wxUniCharRef ch) + : wxStringBase(nRepeat, ch) { } + wxString(char ch, size_t nRepeat = 1) + : wxStringBase(nRepeat, ch) { } + wxString(size_t nRepeat, char ch) + : wxStringBase(nRepeat, ch) { } + wxString(wchar_t ch, size_t nRepeat = 1) + : wxStringBase(nRepeat, ch) { } + wxString(size_t nRepeat, wchar_t ch) + : wxStringBase(nRepeat, ch) { } // 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) - : 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); } + // (default value of npos means take all the string) + wxString(const wxChar *psz) + : wxStringBase(psz ? psz : wxT("")) { } + wxString(const wxChar *psz, size_t nLength) + : wxStringBase(psz, nLength) { } + wxString(const wxChar *psz, + const wxMBConv& WXUNUSED(conv), + size_t nLength = npos) + : wxStringBase(psz, nLength == npos ? wxStrlen(psz) : nLength) { } + + // even if we're not built with wxUSE_STL == 1 it is very convenient to allow + // implicit conversions from std::string to wxString as this allows to use + // the same strings in non-GUI and GUI code, however we don't want to + // unconditionally add this ctor as it would make wx lib dependent on + // libstdc++ on some Linux versions which is bad, so instead we ask the + // client code to define this wxUSE_STD_STRING symbol if they need it +#if wxUSE_STD_STRING + wxString(const wxStdString& s) + : wxStringBase(s.c_str()) { } +#endif // wxUSE_STD_STRING #if wxUSE_UNICODE // from multibyte string - // (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); + wxString(const char *psz, + const wxMBConv& conv = wxConvLibc, + size_t nLength = npos); // from wxWCharBuffer (i.e. return from wxGetString) - wxString(const wxWCharBuffer& psz) - { InitWith(psz, 0, wxSTRING_MAXLEN); } + wxString(const wxWCharBuffer& psz) : wxStringBase(psz.data()) { } #else // ANSI // from C string (for compilers using unsigned char) - wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN) - : m_pchData(NULL) - { InitWith((const char*)psz, 0, nLength); } + wxString(const unsigned char* psz) + : wxStringBase((const char*)psz) { } + // from part of C string (for compilers using unsigned char) + wxString(const unsigned char* psz, size_t nLength) + : wxStringBase((const char*)psz, nLength) { } #if wxUSE_WCHAR_T // from wide (Unicode) string - wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc, size_t nLength = wxSTRING_MAXLEN); + wxString(const wchar_t *pwz, + const wxMBConv& conv = wxConvLibc, + size_t nLength = npos); #endif // !wxUSE_WCHAR_T // from wxCharBuffer wxString(const wxCharBuffer& psz) - : m_pchData(NULL) - { InitWith(psz, 0, wxSTRING_MAXLEN); } + : wxStringBase(psz) { } #endif // Unicode/ANSI - // dtor is not virtual, this class must not be inherited from! - ~wxString() { GetStringData()->Unlock(); } - // generic attributes & operations // as standard strlen() - size_t Len() const { return GetStringData()->nDataLength; } + size_t Len() const { return length(); } // string contains any characters? - bool IsEmpty() const { return Len() == 0; } - // empty string is "FALSE", so !str will return TRUE - bool operator!() const { return IsEmpty(); } + bool IsEmpty() const { return empty(); } + // empty string is "false", so !str will return true + bool operator!() const { return empty(); } // truncate the string to given length wxString& Truncate(size_t uiLen); // empty string contents @@ -379,17 +1005,13 @@ public: { Truncate(0); - wxASSERT_MSG( IsEmpty(), _T("string not empty after call to Empty()?") ); + wxASSERT_MSG( empty(), _T("string not empty after call to Empty()?") ); } // empty the string and free memory void Clear() { - if ( !GetStringData()->IsEmpty() ) - Reinit(); - - wxASSERT_MSG( !GetStringData()->nDataLength && - !GetStringData()->nAllocLength, - _T("string should be empty after Clear()") ); + wxString tmp(wxEmptyString); + swap(tmp); } // contents test @@ -402,97 +1024,88 @@ public: // data access (all indexes are 0 based) // read access - wxChar GetChar(size_t n) const - { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + wxUniChar GetChar(size_t n) const + { return at(n); } // read/write access - wxChar& GetWritableChar(size_t n) - { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + wxUniCharRef GetWritableChar(size_t n) + { return at(n); } // write access - void SetChar(size_t n, wxChar ch) - { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } + void SetChar(size_t n, wxUniChar ch) + { at(n) = ch; } // get last character - wxChar Last() const + wxUniChar Last() const { - wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); + wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") ); - return m_pchData[Len() - 1]; + return at(length() - 1); } // get writable last character - wxChar& Last() + wxUniCharRef Last() { - wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); - CopyBeforeWrite(); - return m_pchData[Len()-1]; + wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") ); + return at(length() - 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... + Note that we we must define all of the overloads below to avoid + ambiguity when using str[0]. */ + wxUniChar operator[](int n) const + { return wxStringBase::at(n); } + wxUniChar operator[](long n) const + { return wxStringBase::at(n); } + wxUniChar operator[](size_t n) const + { return wxStringBase::at(n); } +#ifndef wxSIZE_T_IS_UINT + wxUniChar operator[](unsigned int n) const + { return wxStringBase::at(n); } +#endif // size_t != unsigned int - // operator version of GetChar - wxChar operator[](size_t n) const - { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + // operator versions of GetWriteableChar() + wxUniCharRef operator[](int n) + { return wxStringBase::at(n); } + wxUniCharRef operator[](long n) + { return wxStringBase::at(n); } + wxUniCharRef operator[](size_t n) + { return wxStringBase::at(n); } +#ifndef wxSIZE_T_IS_UINT + wxUniCharRef operator[](unsigned int n) + { return wxStringBase::at(n); } +#endif // size_t != unsigned int - // operator version of GetChar - wxChar operator[](int n) const - { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + // explicit conversion to C string (use this with printf()!) + wxCStrData c_str() const { return wxCStrData(this); } - // operator version of GetWriteableChar - wxChar& operator[](size_t n) - { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + // implicit conversion to C string + operator wxCStrData() const { return c_str(); } + operator const wxChar*() const { return c_str(); } -#ifndef wxSIZE_T_IS_UINT - // operator version of GetChar - wxChar operator[](unsigned int n) const - { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + // identical to c_str(), for MFC compatibility + const wxCStrData GetData() const { return c_str(); } - // operator version of GetWriteableChar - wxChar& operator[](unsigned int n) - { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } -#endif // size_t != unsigned int + // explicit conversion to C string in internal representation (char*, + // wchar_t*, UTF-8-encoded char*, depending on the build): + const_pointer wx_str() const { return data(); } - // 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() - const wxChar* wx_str() const { return m_pchData; } - // identical to c_str() - const wxChar* GetData() const { return m_pchData; } - - // conversion to plain ascii: this is usefull for - // converting numbers or strings which are certain - // not to contain special chars (typically system - // functions, X atoms, environment variables etc.) + // 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( char *ascii ); + static wxString FromAscii(const char *ascii); // string + static wxString FromAscii(const char ascii); // char const wxCharBuffer ToAscii() const; -#else - static wxString FromAscii( char *ascii ) { return wxString( ascii ); } - const char *ToAscii() const { return m_pchData; } -#endif +#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 convertions: have to return a + // 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 @@ -502,48 +1115,69 @@ public: // 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 wxCharBuffer mb_str(const wxMBConv& conv = wxConvLibc) const; const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } - const wxChar* wc_str() const { return m_pchData; } + const wxChar* wc_str() const { return c_str(); } // for compatibility with !wxUSE_UNICODE version - const wxChar* wc_str(wxMBConv& WXUNUSED(conv)) const { return m_pchData; } + const wxChar* wc_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); } #if wxMBFILES const wxCharBuffer fn_str() const { return mb_str(wxConvFile); } #else // !wxMBFILES - const wxChar* fn_str() const { return m_pchData; } + const wxChar* fn_str() const { return c_str(); } #endif // wxMBFILES/!wxMBFILES #else // ANSI - const wxChar* mb_str() const { return m_pchData; } + const wxChar* mb_str() const { return c_str(); } // for compatibility with wxUSE_UNICODE version - const wxChar* mb_str(wxMBConv& WXUNUSED(conv)) const { return m_pchData; } + const wxChar* mb_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); } const wxWX2MBbuf mbc_str() const { return mb_str(); } #if wxUSE_WCHAR_T - const wxWCharBuffer wc_str(wxMBConv& conv) const - { return conv.cMB2WC(m_pchData); } + const wxWCharBuffer wc_str(const wxMBConv& conv) const; #endif // wxUSE_WCHAR_T - - const wxChar* fn_str() const { return m_pchData; } +#ifdef __WXOSX__ + const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLocal ) ); } +#else + const wxChar* fn_str() const { return c_str(); } +#endif #endif // Unicode/ANSI // overloaded assignment // from another wxString - wxString& operator=(const wxString& stringSrc); + wxString& operator=(const wxStringBase& stringSrc) + { return (wxString&)wxStringBase::operator=(stringSrc); } + wxString& operator=(const wxCStrData& cstr); // from a character - wxString& operator=(wxChar ch); - // from a C string - wxString& operator=(const wxChar *psz); + wxString& operator=(wxUniChar ch) + { return (wxString&)wxStringBase::operator=(ch); } + wxString& operator=(wxUniCharRef ch) + { return (wxString&)wxStringBase::operator=((wxUniChar)ch); } + wxString& operator=(char ch) + { return (wxString&)wxStringBase::operator=(wxUniChar(ch)); } + wxString& operator=(wchar_t ch) + { return (wxString&)wxStringBase::operator=(wxUniChar(ch)); } + // from a C string - STL probably will crash on NULL, + // so we need to compensate in that case +#if wxUSE_STL + wxString& operator=(const wxChar *psz) + { if(psz) wxStringBase::operator=(psz); else Clear(); return *this; } +#else + wxString& operator=(const wxChar *psz) + { return (wxString&)wxStringBase::operator=(psz); } +#endif + #if wxUSE_UNICODE // from wxWCharBuffer wxString& operator=(const wxWCharBuffer& psz) - { (void) operator=((const wchar_t *)psz); return *this; } + { (void) operator=((const wchar_t *)psz); return *this; } + // from C string + wxString& operator=(const char* psz) + { return operator=(wxString(psz)); } #else // ANSI // from another kind of C string wxString& operator=(const unsigned char* psz); @@ -553,7 +1187,7 @@ public: #endif // from wxCharBuffer wxString& operator=(const wxCharBuffer& psz) - { (void) operator=((const char *)psz); return *this; } + { (void) operator=((const char *)psz); return *this; } #endif // Unicode/ANSI // string concatenation @@ -566,71 +1200,90 @@ public: // string += string wxString& operator<<(const wxString& s) { +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL wxASSERT_MSG( s.GetStringData()->IsValid(), _T("did you forget to call UngetWriteBuf()?") ); +#endif - ConcatSelf(s.Len(), s); + append(s); return *this; } // string += C string wxString& operator<<(const wxChar *psz) - { ConcatSelf(wxStrlen(psz), psz); return *this; } - // string += char - 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 wxChar *psz) { (void)operator<<(psz); } + { append(psz); return *this; } + wxString& operator<<(const wxCStrData& psz) + { append(psz); return *this; } // string += char - void operator+=(wxChar ch) { (void)operator<<(ch); } + wxString& operator<<(wxUniChar ch) { append(1, ch); return *this; } + wxString& operator<<(wxUniCharRef ch) { append(1, ch); return *this; } + wxString& operator<<(char ch) { append(1, ch); return *this; } + wxString& operator<<(wchar_t ch) { append(1, ch); return *this; } // 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); } + { return operator<<((const wchar_t *)s); } + wxString& operator+=(const wxWCharBuffer& s) + { return 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); } + { return operator<<((const char *)s); } + wxString& operator+=(const wxCharBuffer& s) + { return operator<<((const char *)s); } #endif // wxUSE_UNICODE/!wxUSE_UNICODE +#if wxUSE_UNICODE + // string += C string in Unicode build (with conversion) + wxString& operator<<(const char *s) + { return operator<<(wxString(s)); } + wxString& operator+=(const char *s) + { return operator+=(wxString(s)); } +#endif // wxUSE_UNICODE + // string += C string wxString& Append(const wxString& s) { - // test for IsEmpty() to share the string if possible - if ( IsEmpty() ) + // test for empty() to share the string if possible + if ( empty() ) *this = s; else - ConcatSelf(s.Length(), s.c_str()); + append(s); return *this; } + wxString& Append(const wxCStrData& psz) + { append(psz); return *this; } wxString& Append(const wxChar* psz) - { ConcatSelf(wxStrlen(psz), psz); return *this; } + { append(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(wxUniChar ch, size_t count = 1u) + { append(count, ch); return *this; } + wxString& Append(wxUniCharRef ch, size_t count = 1u) + { append(count, ch); return *this; } + wxString& Append(char ch, size_t count = 1u) + { append(count, ch); return *this; } + wxString& Append(wchar_t ch, size_t count = 1u) + { append(count, ch); return *this; } wxString& Append(const wxChar* psz, size_t nLen) - { ConcatSelf(nLen, psz); return *this; } + { append(psz, nLen); return *this; } // prepend a string, return the string itself wxString& Prepend(const wxString& str) { *this = str + *this; return *this; } // non-destructive concatenation - // - friend wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); - // - friend wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); - // - friend wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); - // - friend wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); - // - friend wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); + // two strings + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, + const wxString& string2); + // string with a single char + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxUniChar ch); + // char with a string + friend wxString WXDLLIMPEXP_BASE operator+(wxUniChar ch, const wxString& string); + // string with C string + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, + const wxChar *psz); + // C string with string + friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, + const wxString& string); // stream-like functions // insert an int into string @@ -645,6 +1298,20 @@ public: // insert an unsigned long into string wxString& operator<<(unsigned long ul) { return (*this) << Format(_T("%lu"), ul); } +#if defined wxLongLong_t && !defined wxLongLongIsLong + // insert a long long if they exist and aren't longs + wxString& operator<<(wxLongLong_t ll) + { + const wxChar *fmt = _T("%") wxLongLongFmtSpec _T("d"); + return (*this) << Format(fmt, ll); + } + // insert an unsigned long long + wxString& operator<<(wxULongLong_t ull) + { + const wxChar *fmt = _T("%") wxLongLongFmtSpec _T("u"); + return (*this) << Format(fmt , ull); + } +#endif // insert a float into string wxString& operator<<(float f) { return (*this) << Format(_T("%f"), f); } @@ -654,33 +1321,39 @@ public: // 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; + int Cmp(const wxString& s) const; // same as Cmp() but not case-sensitive - int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } + int CmpNoCase(const wxChar *psz) const; + int CmpNoCase(const wxString& s) const; // 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 + 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 + // comparison with a single character: returns true if equal + bool IsSameAs(wxUniChar c, bool compareWithCase = true) const { - return (Len() == 1) && (compareWithCase ? GetChar(0u) == c + return (length() == 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; + wxString Mid(size_t nFirst, size_t nCount = npos) const; // 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 + // check if the string starts with the given 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; + // check if the string ends with the given suffix and return the + // beginning of the string before the suffix in the provided pointer if + // it is not NULL; otherwise return false + bool EndsWith(const wxChar *suffix, wxString *rest = NULL) const; // get first nCount characters wxString Left(size_t nCount) const; @@ -688,20 +1361,20 @@ public: wxString Right(size_t nCount) const; // get all characters before the first occurance of ch // (returns the whole string if ch not found) - wxString BeforeFirst(wxChar ch) const; + wxString BeforeFirst(wxUniChar ch) const; // get all characters before the last occurence of ch // (returns empty string if ch not found) - wxString BeforeLast(wxChar ch) const; + wxString BeforeLast(wxUniChar ch) const; // get all characters after the first occurence of ch // (returns empty string if ch not found) - wxString AfterFirst(wxChar ch) const; + wxString AfterFirst(wxUniChar ch) const; // get all characters after the last occurence of ch // (returns the whole string if ch not found) - wxString AfterLast(wxChar ch) const; + wxString AfterLast(wxUniChar ch) const; // for compatibility only, use more explicitly named functions above - wxString Before(wxChar ch) const { return BeforeLast(ch); } - wxString After(wxChar ch) const { return AfterFirst(ch); } + wxString Before(wxUniChar ch) const { return BeforeLast(ch); } + wxString After(wxUniChar ch) const { return AfterFirst(ch); } // case conversion // convert to upper case in place, return the string itself @@ -716,25 +1389,25 @@ public: // trimming/padding whitespace (either side) and truncating // remove spaces from left or from right (default) side - wxString& Trim(bool bFromRight = TRUE); + wxString& Trim(bool bFromRight = true); // add nCount copies chPad in the beginning or at the end (default) - wxString& Pad(size_t nCount, wxChar chPad = wxT(' '), bool bFromRight = TRUE); + wxString& Pad(size_t nCount, wxUniChar chPad = wxT(' '), bool bFromRight = true); // searching and replacing // searching (return starting index, or -1 if not found) - int Find(wxChar ch, bool bFromEnd = FALSE) const; // like strchr/strrchr + int Find(wxUniChar ch, bool bFromEnd = false) const; // like strchr/strrchr // searching (return starting index, or -1 if not found) 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 wxChar *szOld, const wxChar *szNew, - bool bReplaceAll = TRUE); + bool bReplaceAll = true); // 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 + // 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 @@ -743,36 +1416,53 @@ public: bool ToLong(long *val, int base = 10) const; // convert to an unsigned integer bool ToULong(unsigned long *val, int base = 10) const; + // convert to wxLongLong +#if defined(wxLongLong_t) + bool ToLongLong(wxLongLong_t *val, int base = 10) const; + // convert to wxULongLong + bool ToULongLong(wxULongLong_t *val, int base = 10) const; +#endif // wxLongLong_t // convert to a double bool ToDouble(double *val) const; - // formated input/output + +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN + // formatted input/output // as sprintf(), returns the number of characters written or < 0 on error // (take 'this' into account in attribute parameter count) - int Printf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; + // int Printf(const wxChar *pszFormat, ...); + WX_DEFINE_VARARG_FUNC(int, Printf, DoPrintf) +#endif // !wxNEEDS_WXSTRING_PRINTF_MIXIN // as vprintf(), returns the number of characters written or < 0 on error - int PrintfV(const wxChar* pszFormat, va_list argptr); + int PrintfV(const wxString& format, va_list argptr); +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN // returns the string containing the result of Printf() to it - static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1; + // static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1; + WX_DEFINE_VARARG_FUNC(static wxString, Format, DoFormat) +#endif // the same as above, but takes a va_list - static wxString FormatV(const wxChar *pszFormat, va_list argptr); + static wxString FormatV(const wxString& format, 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 - bool Alloc(size_t nLen); + bool Alloc(size_t nLen) { reserve(nLen); /*return capacity() >= nLen;*/ return true; } // minimize the string's memory // only works if the data of this string is not shared bool Shrink(); +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL + // These are deprecated, use wxStringBuffer or wxStringBufferLength instead + // // 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); + wxDEPRECATED( wxChar *GetWriteBuf(size_t nLen) ); // call this immediately after GetWriteBuf() has been used - void UngetWriteBuf(); - void UngetWriteBuf(size_t nLen); + wxDEPRECATED( void UngetWriteBuf() ); + wxDEPRECATED( void UngetWriteBuf(size_t nLen) ); +#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL - // wxWindows version 1 compatibility functions + // wxWidgets version 1 compatibility functions // use Mid() wxString SubString(size_t from, size_t to) const @@ -782,18 +1472,21 @@ public: // values for first parameter of Strip function enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN // use Printf() // (take 'this' into account in attribute parameter count) - int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; + // int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; + WX_DEFINE_VARARG_FUNC(int, sprintf, DoPrintf) +#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN // use Cmp() 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(); } + size_t Length() const { return length(); } // Count the number of characters - int Freq(wxChar ch) const; + int Freq(wxUniChar ch) const; // use MakeLower void LowerCase() { MakeLower(); } // use MakeUpper @@ -803,397 +1496,345 @@ public: // use Find (more general variants not yet supported) size_t Index(const wxChar* psz) const { return Find(psz); } - size_t Index(wxChar ch) const { return Find(ch); } + size_t Index(wxUniChar ch) const { return Find(ch); } // use Truncate wxString& Remove(size_t pos) { return Truncate(pos); } - wxString& RemoveLast(size_t n = 1) { return Truncate(Len() - n); } + wxString& RemoveLast(size_t n = 1) { return Truncate(length() - n); } - wxString& Remove(size_t nStart, size_t nLen) { return erase( nStart, nLen ); } + wxString& Remove(size_t nStart, size_t nLen) + { return (wxString&)erase( nStart, nLen ); } // use Find() - int First( const wxChar ch ) const { return Find(ch); } + int First( const wxUniChar ch ) const { return Find(ch); } + int First( char ch ) const { return Find(ch); } + int First( wchar_t 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 wxChar ch ) const { return Find(ch, TRUE); } - bool Contains(const wxString& str) const { return Find(str) != -1; } + int Last( const wxUniChar ch ) const { return Find(ch, true); } + bool Contains(const wxString& str) const { return Find(str) != wxNOT_FOUND; } - // use IsEmpty() - bool IsNull() const { return IsEmpty(); } + // use empty() + bool IsNull() const { return empty(); } -#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_MSG( str.GetStringData()->IsValid(), - _T("did you forget to call UngetWriteBuf()?") ); - - InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen); - } + : wxStringBase(str, nPos, nLen) { } // take all characters from pStart to pEnd - wxString(const void *pStart, const void *pEnd); - - // lib.string.capacity - // return the length of the string - size_t size() const { return Len(); } - // 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 wxSTRING_MAXLEN; } - // resize the string, filling the space with c if c != 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 - wxChar at(size_t n) const { return GetChar(n); } - // 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(); } + wxString(const void *pStart, const void *pEnd) + : wxStringBase((const wxChar*)pStart, (const wxChar*)pEnd) { } + wxString(const_iterator first, const_iterator last) + : wxStringBase(first, last) { } + wxString(iterator first, iterator last) + : wxStringBase(first, last) { } // lib.string.modifiers - // append a string - wxString& append(const wxString& str) - { *this += str; return *this; } // append elements str[pos], ..., str[pos+n] wxString& append(const wxString& str, size_t pos, size_t n) - { ConcatSelf(n, str.c_str() + pos); return *this; } + { return (wxString&)wxStringBase::append(str, pos, n); } + // append a string + wxString& append(const wxString& str) + { return (wxString&)wxStringBase::append(str); } + wxString& append(const wxCStrData& str) + { return (wxString&)wxStringBase::append(str.AsString()); } // append first n (or all if n == npos) characters of sz - wxString& append(const wxChar *sz, size_t n = npos) - { ConcatSelf(n == npos ? wxStrlen(sz) : n, sz); return *this; } - + wxString& append(const wxChar *sz) + { return (wxString&)wxStringBase::append(sz); } + wxString& append(const wxChar *sz, size_t n) + { return (wxString&)wxStringBase::append(sz, n); } // append n copies of ch - wxString& append(size_t n, wxChar ch) { return Pad(n, ch); } + wxString& append(size_t n, wxUniChar ch) + { return (wxString&)wxStringBase::append(n, ch); } + // append from first to last + wxString& append(const_iterator first, const_iterator last) + { return (wxString&)wxStringBase::append(first, last); } // same as `this_string = str' wxString& assign(const wxString& str) - { return *this = str; } + { return (wxString&)wxStringBase::assign(str); } // same as ` = str[pos..pos + n] wxString& assign(const wxString& str, size_t pos, size_t n) - { Empty(); return Append(str.c_str() + pos, n); } + { return (wxString&)wxStringBase::assign(str, pos, n); } // same as `= first n (or all if n == npos) characters of sz' - wxString& assign(const wxChar *sz, size_t n = npos) - { Empty(); return Append(sz, n == npos ? wxStrlen(sz) : n); } + wxString& assign(const wxChar *sz) + { return (wxString&)wxStringBase::assign(sz); } + wxString& assign(const wxChar *sz, size_t n) + { return (wxString&)wxStringBase::assign(sz, n); } // same as `= n copies of ch' - wxString& assign(size_t n, wxChar ch) - { Empty(); return Append(ch, n); } + wxString& assign(size_t n, wxUniChar ch) + { return (wxString&)wxStringBase::assign(n, ch); } + // assign from first to last + wxString& assign(const_iterator first, const_iterator last) + { return (wxString&)wxStringBase::assign(first, last); } + + // string comparison +#if !defined(HAVE_STD_STRING_COMPARE) + int compare(const wxStringBase& str) const; + // comparison with a substring + int compare(size_t nStart, size_t nLen, const wxStringBase& str) const; + // comparison of 2 substrings + int compare(size_t nStart, size_t nLen, + const wxStringBase& str, size_t nStart2, size_t nLen2) const; + // just like strcmp() + int compare(const wxChar* sz) const; + // substring comparison with first nCount characters of sz + int compare(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount = npos) const; +#endif // !defined HAVE_STD_STRING_COMPARE // insert another string - wxString& insert(size_t nPos, const wxString& str); + wxString& insert(size_t nPos, const wxString& str) + { return (wxString&)wxStringBase::insert(nPos, 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 wxChar *)str + nStart, n)); } - + { return (wxString&)wxStringBase::insert(nPos, str, nStart, n); } // insert first n (or all if n == npos) characters of sz - wxString& insert(size_t nPos, const wxChar *sz, size_t n = npos) - { return insert(nPos, wxString(sz, n)); } + wxString& insert(size_t nPos, const wxChar *sz) + { return (wxString&)wxStringBase::insert(nPos, sz); } + wxString& insert(size_t nPos, const wxChar *sz, size_t n) + { return (wxString&)wxStringBase::insert(nPos, sz, n); } // insert n copies of ch - wxString& insert(size_t nPos, size_t n, wxChar ch) - { return insert(nPos, wxString(ch, n)); } + wxString& insert(size_t nPos, size_t n, wxUniChar ch) + { return (wxString&)wxStringBase::insert(nPos, n, ch); } + iterator insert(iterator it, wxUniChar ch) + { return wxStringBase::insert(it, ch); } + void insert(iterator it, const_iterator first, const_iterator last) + { wxStringBase::insert(it, first, last); } + void insert(iterator it, size_type n, wxUniChar ch) + { wxStringBase::insert(it, n, ch); } // delete characters from nStart to nStart + nLen - wxString& erase(size_t nStart = 0, size_t nLen = npos); + wxString& erase(size_type pos = 0, size_type n = npos) + { return (wxString&)wxStringBase::erase(pos, n); } + iterator erase(iterator first, iterator last) + { return wxStringBase::erase(first, last); } + iterator erase(iterator first) + { return wxStringBase::erase(first); } + +#ifdef wxSTRING_BASE_HASNT_CLEAR + void clear() { erase(); } +#endif // replaces the substring of length nLen starting at nStart - wxString& replace(size_t nStart, size_t nLen, const wxChar* sz); + wxString& replace(size_t nStart, size_t nLen, const wxChar* sz) + { return (wxString&)wxStringBase::replace(nStart, nLen, sz); } + // replaces the substring of length nLen starting at nStart + wxString& replace(size_t nStart, size_t nLen, const wxString& str) + { return (wxString&)wxStringBase::replace(nStart, nLen, str); } // replaces the substring with nCount copies of ch - wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch); + wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch) + { return (wxString&)wxStringBase::replace(nStart, nLen, nCount, 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 + const wxString& str, size_t nStart2, size_t nLen2) + { return (wxString&)wxStringBase::replace(nStart, nLen, str, + nStart2, nLen2); } + // replaces the substring with first nCount chars of sz wxString& replace(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount); - - // swap two strings - void swap(wxString& str); - - // All find() functions take the nStart argument which specifies the - // position to start the search on, the default value is 0. All functions - // return npos if there were no match. + const wxChar* sz, size_t nCount) + { return (wxString&)wxStringBase::replace(nStart, nLen, sz, nCount); } + wxString& replace(iterator first, iterator last, const_pointer s) + { return (wxString&)wxStringBase::replace(first, last, s); } + wxString& replace(iterator first, iterator last, const_pointer s, + size_type n) + { return (wxString&)wxStringBase::replace(first, last, s, n); } + wxString& replace(iterator first, iterator last, const wxString& s) + { return (wxString&)wxStringBase::replace(first, last, s); } + wxString& replace(iterator first, iterator last, size_type n, wxUniChar c) + { return (wxString&)wxStringBase::replace(first, last, n, c); } + wxString& replace(iterator first, iterator last, + const_iterator first1, const_iterator last1) + { return (wxString&)wxStringBase::replace(first, last, first1, last1); } - // find a substring - size_t find(const wxString& str, size_t nStart = 0) const; + // string += string + wxString& operator+=(const wxString& s) + { return (wxString&)wxStringBase::operator+=(s); } + // string += C string + wxString& operator+=(const wxChar *psz) + { return (wxString&)wxStringBase::operator+=(psz); } + wxString& operator+=(const wxCStrData& s) + { return (wxString&)wxStringBase::operator+=(s.AsString()); } + // string += char + wxString& operator+=(wxUniChar ch) + { return (wxString&)wxStringBase::operator+=(ch); } + wxString& operator+=(wxUniCharRef ch) { return *this += wxUniChar(ch); } + wxString& operator+=(char ch) { return *this += wxUniChar(ch); } + wxString& operator+=(wchar_t ch) { return *this += wxUniChar(ch); } - // VC++ 1.5 can't cope with this syntax. -#if !defined(__VISUALC__) || defined(__WIN32__) - // find first n characters of sz - size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; -#endif // VC++ 1.5 +private: +#if !wxUSE_STL + // helpers for wxStringBuffer and wxStringBufferLength + wxChar *DoGetWriteBuf(size_t nLen); + void DoUngetWriteBuf(); + void DoUngetWriteBuf(size_t nLen); + + friend class WXDLLIMPEXP_BASE wxStringBuffer; + friend class WXDLLIMPEXP_BASE wxStringBufferLength; +#endif - // Gives a duplicate symbol (presumably a case-insensitivity problem) -#if !defined(__BORLANDC__) - // find the first occurence of character ch after nStart - size_t find(wxChar ch, size_t nStart = 0) const; +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN + int DoPrintf(const wxChar *format, ...) ATTRIBUTE_PRINTF_2; + static wxString DoFormat(const wxChar *format, ...) ATTRIBUTE_PRINTF_1; #endif - // rfind() family is exactly like find() but works right to left +}; - // as find, but from the end - size_t rfind(const wxString& str, size_t nStart = npos) const; +#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN + #pragma warning (default:4275) +#endif - // VC++ 1.5 can't cope with this syntax. -#if !defined(__VISUALC__) || defined(__WIN32__) - // as find, but from the end - size_t rfind(const wxChar* sz, size_t nStart = npos, - size_t n = npos) const; - // as find, but from the end - size_t rfind(wxChar ch, size_t nStart = npos) const; -#endif // VC++ 1.5 +// notice that even though for many compilers the friend declarations above are +// enough, from the point of view of C++ standard we must have the declarations +// here as friend ones are not injected in the enclosing namespace and without +// them the code fails to compile with conforming compilers such as xlC or g++4 +wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2); +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz); +wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string); + +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxUniChar ch); +wxString WXDLLIMPEXP_BASE operator+(wxUniChar ch, const wxString& string); + +inline wxString operator+(const wxString& string, wxUniCharRef ch) + { return string + (wxUniChar)ch; } +inline wxString operator+(const wxString& string, char ch) + { return string + wxUniChar(ch); } +inline wxString operator+(const wxString& string, wchar_t ch) + { return string + wxUniChar(ch); } +inline wxString operator+(wxUniCharRef ch, const wxString& string) + { return (wxUniChar)ch + string; } +inline wxString operator+(char ch, const wxString& string) + { return wxUniChar(ch) + string; } +inline wxString operator+(wchar_t ch, const wxString& string) + { return wxUniChar(ch) + string; } + + +#if wxUSE_STL + // return an empty wxString (not very useful with wxUSE_STL == 1) + inline const wxString wxGetEmptyString() { return wxString(); } +#else // !wxUSE_STL + // return an empty wxString (more efficient than wxString() here) + inline const wxString& wxGetEmptyString() + { + return *(wxString *)&wxEmptyString; + } +#endif // wxUSE_STL/!wxUSE_STL - // find first/last occurence of any character in the set +// ---------------------------------------------------------------------------- +// wxStringBuffer: a tiny class allowing to get a writable pointer into string +// ---------------------------------------------------------------------------- - // 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 - { 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); } +#if wxUSE_STL - // find first/last occurence of any character not in the set +class WXDLLIMPEXP_BASE wxStringBuffer +{ +public: + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted) + { } - // 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; + ~wxStringBuffer() { m_str.assign(m_buf.data(), wxStrlen(m_buf.data())); } - // All compare functions return -1, 0 or 1 if the [sub]string is less, - // equal or greater than the compare() argument. + operator wxChar*() { return m_buf.data(); } - // 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 - { 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 - { 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 - { return Mid(nStart, nLen).Cmp(wxString(sz, nCount)); } +private: + wxString& m_str; +#if wxUSE_UNICODE + wxWCharBuffer m_buf; +#else + wxCharBuffer m_buf; +#endif - // substring extraction - wxString substr(size_t nStart = 0, size_t nLen = npos) const - { return Mid(nStart, nLen); } -#endif // wxSTD_STRING_COMPATIBILITY + DECLARE_NO_COPY_CLASS(wxStringBuffer) }; -// ---------------------------------------------------------------------------- -// 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. -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxArrayString +class WXDLLIMPEXP_BASE wxStringBufferLength { public: - // type of function used by wxArrayString::Sort() - typedef int (*CompareFunction)(const wxString& first, - const wxString& second); + wxStringBufferLength(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false) + { } - // constructors and destructor - // default ctor - 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 - 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 + ~wxStringBufferLength() { - wxASSERT_MSG( nIndex < m_nCount, - _T("wxArrayString: index out of bounds") ); - - return *(wxString *)&(m_pItems[nIndex]); + wxASSERT(m_lenSet); + m_str.assign(m_buf.data(), m_len); } - // same as Item() - wxString& operator[](size_t nIndex) const { return Item(nIndex); } - // get last item - wxString& Last() const - { - wxASSERT_MSG( !IsEmpty(), - _T("wxArrayString: index out of bounds") ); - return Item(Count() - 1); - } + 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; - // 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 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, 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 wxChar *sz); - // remove item by index - 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); } + DECLARE_NO_COPY_CLASS(wxStringBufferLength) +}; -protected: - void Init(bool autoSort); // common part of all ctors - void Copy(const wxArrayString& src); // copies the contents of another array +#else // if !wxUSE_STL -private: - void Grow(size_t nIncrement = 0); // makes array bigger if needed - void Free(); // free all the strings stored +class WXDLLIMPEXP_BASE wxStringBuffer +{ +public: + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL) + { m_buf = m_str.DoGetWriteBuf(lenWanted); } - void DoSort(); // common part of all Sort() variants + ~wxStringBuffer() { m_str.DoUngetWriteBuf(); } - 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; - bool m_autoSort; // if TRUE, keep the array always sorted + DECLARE_NO_COPY_CLASS(wxStringBuffer) }; -class WXDLLEXPORT wxSortedArrayString : public wxArrayString +class WXDLLIMPEXP_BASE wxStringBufferLength { public: - wxSortedArrayString() : wxArrayString(TRUE) - { } - wxSortedArrayString(const wxArrayString& array) : wxArrayString(TRUE) - { Copy(array); } -}; + wxStringBufferLength(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL), m_len(0), m_lenSet(false) + { + m_buf = m_str.DoGetWriteBuf(lenWanted); + wxASSERT(m_buf != NULL); + } -// ---------------------------------------------------------------------------- -// wxStringBuffer: a tiny class allowing to get a writable pointer into string -// ---------------------------------------------------------------------------- + ~wxStringBufferLength() + { + wxASSERT(m_lenSet); + m_str.DoUngetWriteBuf(m_len); + } -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; } - + 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 // --------------------------------------------------------------------------- +// note that when wxUSE_STL == 1 the comparison operators taking std::string +// are used and defining them also for wxString would only result in +// compilation ambiguities when comparing std::string and wxString +#if !wxUSE_STL + 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) @@ -1231,12 +1872,6 @@ inline bool operator>=(const wxString& s1, const wxChar * s2) 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); } @@ -1257,11 +1892,6 @@ 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, 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; } @@ -1274,6 +1904,57 @@ inline wxString operator+(const wxCharBuffer& buf, const wxString& string) { return (const char *)buf + string; } #endif // wxUSE_UNICODE/!wxUSE_UNICODE +#endif // !wxUSE_STL + +// comparison with char (those are not defined by std::[w]string and so should +// be always available) +inline bool operator==(const wxUniChar& c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(const wxUniCharRef& c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(char c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(wchar_t c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(int c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, const wxUniChar& c) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, const wxUniCharRef& c) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, char c) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, wchar_t c) { return s.IsSameAs(c); } +inline bool operator!=(const wxUniChar& c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(const wxUniCharRef& c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(char c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(wchar_t c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(int c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, const wxUniChar& c) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, const wxUniCharRef& c) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, char c) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, wchar_t c) { return !s.IsSameAs(c); } + +// comparison with C string in Unicode build +#if wxUSE_UNICODE +inline bool operator==(const wxString& s1, const char* s2) + { return s1 == wxString(s2); } +inline bool operator==(const char* s1, const wxString& s2) + { return wxString(s1) == s2; } +inline bool operator!=(const wxString& s1, const char* s2) + { return s1 != wxString(s2); } +inline bool operator!=(const char* s1, const wxString& s2) + { return wxString(s1) != s2; } +inline bool operator< (const wxString& s1, const char* s2) + { return s1 < wxString(s2); } +inline bool operator< (const char* s1, const wxString& s2) + { return wxString(s1) < s2; } +inline bool operator> (const wxString& s1, const char* s2) + { return s1 > wxString(s2); } +inline bool operator> (const char* s1, const wxString& s2) + { return wxString(s1) > s2; } +inline bool operator<=(const wxString& s1, const char* s2) + { return s1 <= wxString(s2); } +inline bool operator<=(const char* s1, const wxString& s2) + { return wxString(s1) <= s2; } +inline bool operator>=(const wxString& s1, const char* s2) + { return s1 >= wxString(s2); } +inline bool operator>=(const char* s1, const wxString& s2) + { return wxString(s1) >= s2; } +#endif // wxUSE_UNICODE + // --------------------------------------------------------------------------- // Implementation only from here until the end of file // --------------------------------------------------------------------------- @@ -1281,13 +1962,92 @@ inline wxString operator+(const wxCharBuffer& buf, const wxString& string) // don't pollute the library user's name space #undef wxASSERT_VALID_INDEX -#if defined(wxSTD_STRING_COMPATIBILITY) && wxUSE_STD_IOSTREAM +#if wxUSE_STD_IOSTREAM -#include "wx/ioswrap.h" +#include "wx/iosfwrap.h" -WXDLLEXPORT wxSTD istream& operator>>(wxSTD istream&, wxString&); -WXDLLEXPORT wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCStrData&); #endif // wxSTD_STRING_COMPATIBILITY +// --------------------------------------------------------------------------- +// wxCStrData implementation +// --------------------------------------------------------------------------- + +inline wxCStrData::wxCStrData(char *buf) + : m_str(new wxString(buf)), m_offset(0), m_owned(true) {} +inline wxCStrData::wxCStrData(wchar_t *buf) + : m_str(new wxString(buf)), m_offset(0), m_owned(true) {} + +inline wxCStrData::~wxCStrData() +{ + if ( m_owned ) + delete m_str; +} + +#if wxUSE_UNICODE +inline const wchar_t* wxCStrData::AsWChar() const +#else +inline const char* wxCStrData::AsChar() const +#endif +{ + if ( m_offset == 0 ) + return m_str->wx_str(); // FIXME + else + return (const wxChar*)(m_str->begin() + m_offset); +} + +inline wxString wxCStrData::AsString() const +{ + if ( m_offset == 0 ) + return *m_str; + else + return m_str->Mid(m_offset); +} + +inline wxCStrData::operator wxString() const { return AsString(); } + +inline wxUniChar wxCStrData::operator*() const +{ + if ( m_str->empty() ) + return wxUniChar(_T('\0')); + else + return (*m_str)[m_offset]; +} + +inline wxUniChar wxCStrData::operator[](size_t n) const +{ + return m_str->at(m_offset + n); +} + +// ---------------------------------------------------------------------------- +// implementation of wxString inline methods using wxCStrData +// ---------------------------------------------------------------------------- + +inline wxString& wxString::operator=(const wxCStrData& cstr) +{ + return *this = cstr.AsString(); +} + +// ---------------------------------------------------------------------------- +// implementation of wx[W]CharBuffer inline methods using wxCStrData +// ---------------------------------------------------------------------------- + +#if wxUSE_UNICODE + +inline wxWCharBuffer::wxWCharBuffer(const wxCStrData& cstr) + : m_str(wxStrdupW(cstr)) +{ +} + +#else // !wxUSE_UNICODE + +inline wxCharBuffer::wxCharBuffer(const wxCStrData& cstr) + : m_str(wxStrdupA(cstr)) +{ +} + +#endif // wxUSE_UNICODE/!wxUSE_UNICODE + #endif // _WX_WXSTRINGH__