X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f33fee2ae6f5b5a2e8403fb037bd79072e973542..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/include/wx/string.h?ds=sidebyside diff --git a/include/wx/string.h b/include/wx/string.h index 471681315b..2d79486f83 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -1,99 +1,135 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: string.h -// Purpose: wxString and wxArrayString classes +// Name: wx/string.h +// Purpose: wxString class // Author: Vadim Zeitlin // Modified by: // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifndef _WX_WXSTRINGH__ -#define _WX_WXSTRINGH__ +/* + Efficient string class [more or less] compatible with MFC CString, + wxWidgets version 1 wxString and std::string and some handy functions + missing from string.h. +*/ -#ifdef __GNUG__ -#pragma interface "string.h" -#endif +#ifndef _WX_WXSTRING_H__ +#define _WX_WXSTRING_H__ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- -#ifdef __WXMAC__ +#include "wx/defs.h" // everybody should include this + +#if defined(__WXMAC__) || defined(__VISAGECPP__) #include #endif -#ifdef __EMX__ - #include +#if defined(__VISAGECPP__) && __IBMCPP__ >= 400 + // problem in VACPP V4 with including stdlib.h multiple times + // strconv includes it anyway +# include +# include +# include +# include +#else +# include +# include +# include +# include +# include #endif -#include -#include -#include -#include -#include - -#ifdef HAVE_STRINGS_H +#ifdef HAVE_STRCASECMP_IN_STRINGS_H #include // for strcasecmp() -#endif // AIX +#endif // HAVE_STRCASECMP_IN_STRINGS_H -#ifndef WX_PRECOMP - #include "wx/defs.h" +#ifdef __WXPALMOS__ + #include +#endif - #ifdef WXSTRING_IS_WXOBJECT - #include "wx/object.h" - #endif -#endif // !PCH +#include "wx/wxcrtbase.h" // for wxChar, wxStrlen() etc. +#include "wx/strvararg.h" +#include "wx/buffer.h" // for wxCharBuffer +#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes +#include "wx/stringimpl.h" +#include "wx/stringops.h" +#include "wx/unichar.h" -#include "wx/debug.h" -#include "wx/wxchar.h" -#include "wx/buffer.h" +class WXDLLIMPEXP_FWD_BASE wxString; -/* - Efficient string class [more or less] compatible with MFC CString, - wxWindows version 1 wxString and std::string and some handy functions - missing from string.h. -*/ +// unless this symbol is predefined to disable the compatibility functions, do +// use them +#ifndef WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + #define WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER 1 +#endif // --------------------------------------------------------------------------- // macros // --------------------------------------------------------------------------- -// compile the std::string compatibility functions if defined -#define wxSTD_STRING_COMPATIBILITY - -// define to derive wxString from wxObject -#ifdef WXSTRING_IS_WXOBJECT -#undef WXSTRING_IS_WXOBJECT +// casts [unfortunately!] needed to call some broken functions which require +// "char *" instead of "const char *" +#define WXSTRINGCAST (wxChar *)(const wxChar *) +#define wxCSTRINGCAST (wxChar *)(const wxChar *) +#define wxMBSTRINGCAST (char *)(const char *) +#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *) + +// like _T(), but for literals in wxString's internal representation, i.e. +// char* in UTF-8 build and wxChar* otherwise: +#if wxUSE_UNICODE_UTF8 + #define wxSTRING_TEXT(str) str +#else + #define wxSTRING_TEXT(str) _T(str) #endif -// 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; +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -// 'naughty' cast -#define WXSTRINGCAST (wxChar *)(const wxChar *) -#define WXCSTRINGCAST (wxChar *)(const wxChar *) -#define MBSTRINGCAST (char *)(const char *) -#define WCSTRINGCAST (wchar_t *)(const wchar_t *) +#if WXWIN_COMPATIBILITY_2_6 + +// deprecated in favour of wxString::npos, don't use in new code +// +// maximum possible length for a string means "take all string" everywhere +#define wxSTRING_MAXLEN wxString::npos -// implementation only -#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() ) +#endif // WXWIN_COMPATIBILITY_2_6 // --------------------------------------------------------------------------- -// Global functions complementing standard C string library replacements for +// global functions complementing standard C string library replacements for // strlen() and portable strcasecmp() //--------------------------------------------------------------------------- -// USE wx* FUNCTIONS IN wx/wxchar.h INSTEAD - THIS IS ONLY FOR BINARY COMPATIBILITY + +#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 -inline bool WXDLLEXPORT IsEmpty(const char *p) { return (!p || !*p); } +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) -inline size_t WXDLLEXPORT Strlen(const char *psz) +wxDEPRECATED( inline size_t Strlen(const char *psz) ); +inline size_t Strlen(const char *psz) { return psz ? strlen(psz) : 0; } // portable strcasecmp/_stricmp -inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) +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); @@ -103,9 +139,16 @@ inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) return stricmp(psz1, psz2); #elif defined(__WATCOMC__) return stricmp(psz1, psz2); +#elif defined(__DJGPP__) + return stricmp(psz1, psz2); #elif defined(__EMX__) return stricmp(psz1, psz2); -#elif defined(__UNIX__) || defined(__GNUWIN32__) +#elif defined(__WXPM__) + return stricmp(psz1, psz2); +#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; @@ -133,284 +176,968 @@ inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) #endif // OS/compiler } +#endif // WXWIN_COMPATIBILITY_2_8 + // ---------------------------------------------------------------------------- -// global data +// wxCStrData // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; - -// global pointer to empty string -WXDLLEXPORT_DATA(extern const wxChar*) g_szNul; - -// return an empty wxString -class WXDLLEXPORT wxString; // not yet defined -inline const wxString& wxGetEmptyString() { return *(wxString *)&g_szNul; } - -// --------------------------------------------------------------------------- -// 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 +// Lightweight object returned by wxString::c_str() and implicitly convertible +// to either const char* or const wchar_t*. +class WXDLLIMPEXP_BASE wxCStrData { - int nRefs; // reference count - size_t nDataLength, // actual string length - nAllocLength; // allocated memory size +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* + inline wxCStrData(char *buf); + inline wxCStrData(wchar_t *buf); + inline wxCStrData(const wxCStrData& data); + + inline ~wxCStrData(); + + // methods defined inline below must be declared inline or mingw32 3.4.5 + // warns about " defined locally after being referenced with + // dllimport linkage" +#if wxUSE_UNICODE_WCHAR + inline +#endif + const wchar_t* AsWChar() const; + operator const wchar_t*() const { return AsWChar(); } - // mimics declaration 'wxChar data[nAllocLength]' - wxChar* data() const { return (wxChar*)(this + 1); } +#if !wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY + inline +#endif + const char* AsChar() const; + const unsigned char* AsUnsignedChar() const + { return (const unsigned char *) AsChar(); } + operator const char*() const { return AsChar(); } + operator const unsigned char*() const { return AsUnsignedChar(); } + + operator const void*() const { return AsChar(); } + + inline const wxCharBuffer AsCharBuf() const; + inline const wxWCharBuffer AsWCharBuf() const; + + inline wxString AsString() const; + + // returns the value as C string in internal representation (equivalent + // to AsString().wx_str(), but more efficient) + const wxStringCharType *AsInternal() const; + + // allow expressions like "c_str()[0]": + inline wxUniChar operator[](size_t n) const; + wxUniChar operator[](int n) const { return operator[](size_t(n)); } + 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); } + + // and these for "str.c_str() + n - 2": + wxCStrData operator-(int n) const + { + wxASSERT_MSG( n <= (int)m_offset, + _T("attempt to construct address before the beginning of the string") ); + return wxCStrData(m_str, m_offset - n, m_owned); + } + wxCStrData operator-(long n) const + { + wxASSERT_MSG( n <= (int)m_offset, + _T("attempt to construct address before the beginning of the string") ); + return wxCStrData(m_str, m_offset - n, m_owned); + } + wxCStrData operator-(size_t n) const + { + wxASSERT_MSG( n <= m_offset, + _T("attempt to construct address before the beginning of the string") ); + return wxCStrData(m_str, m_offset - n, m_owned); + } - // empty string has a special ref count so it's never deleted - bool IsEmpty() const { return (nRefs == -1); } - bool IsShared() const { return (nRefs > 1); } + // this operator is needed to make expressions like "*c_str()" or + // "*(c_str() + 2)" work + inline wxUniChar operator*() const; - // lock/unlock - void Lock() { if ( !IsEmpty() ) nRefs++; } - void Unlock() { if ( !IsEmpty() && --nRefs == 0) free(this); } +private: + const wxString *m_str; + size_t m_offset; + bool m_owned; - // if we had taken control over string memory (GetWriteBuf), it's - // intentionally put in invalid state - void Validate(bool b) { nRefs = (b ? 1 : 0); } - bool IsValid() const { return (nRefs != 0); } + friend class WXDLLIMPEXP_FWD_BASE wxString; }; +// ---------------------------------------------------------------------------- +// wxStringPrintfMixin // --------------------------------------------------------------------------- -// types of multibyte<->Unicode conversions -// --------------------------------------------------------------------------- -#if wxUSE_WCHAR_T -class WXDLLEXPORT wxMBConv -{ - public: - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; - // No longer inline since BC++ complains. - const wxWCharBuffer cMB2WC(const char *psz) const; - const wxCharBuffer cWC2MB(const wchar_t *psz) const; -#if wxUSE_UNICODE - const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); } - const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); } - const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; } - const wchar_t* cMB2WC(const wchar_t *psz) const { return psz; } -#else - const char* cMB2WX(const char *psz) const { return psz; } - const char* cWX2MB(const char *psz) const { return psz; } - const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); } - const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); } -#endif -}; -WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc; -#define wxANOTHER_MBCONV(type) \ -class type : public wxMBConv { \ - public: \ - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; \ - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; \ -} +// 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. -WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvFile)) wxConvFile; -WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvUTF7)) wxConvUTF7; -WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvUTF8)) wxConvUTF8; -#ifdef __WXGTK12__ - WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvGdk)) wxConvGdk; +#if defined(__VISUALC__) && __VISUALC__ < 1300 + #define wxNEEDS_WXSTRING_PRINTF_MIXIN #endif -class wxCharacterSet; -class WXDLLEXPORT wxCSConv : public wxMBConv +#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN +// this class contains implementation of wxString's vararg methods, it's +// exported from wxBase DLL +class WXDLLIMPEXP_BASE wxStringPrintfMixinBase { - private: - wxChar *m_name; - wxCharacterSet *m_cset; - bool m_deferred; - void SetName(const wxChar *charset); - public: - wxCSConv(const wxChar *charset); - virtual ~wxCSConv(); - void LoadNow(); - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; +protected: + wxStringPrintfMixinBase() {} + +#if !wxUSE_UTF8_LOCALE_ONLY + int DoPrintfWchar(const wxChar *format, ...); + static wxString DoFormatWchar(const wxChar *format, ...); +#endif +#if wxUSE_UNICODE_UTF8 + int DoPrintfUtf8(const char *format, ...); + static wxString DoFormatUtf8(const char *format, ...); +#endif }; -WXDLLEXPORT_DATA(extern wxCSConv) wxConvLocal; -#define wxConv_local wxConvLocal +// 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; + }; -WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; -#define wxConv_current wxConvCurrent +public: + // these are duplicated wxString methods, they're also declared below + // if !wxNEEDS_WXSTRING_PRINTF_MIXIN: + + // static wxString Format(const wString& format, ...) ATTRIBUTE_PRINTF_1; + WX_DEFINE_VARARG_FUNC_SANS_N0(static typename StringReturnType::type, + Format, 1, (const wxFormatString&), + DoFormatWchar, DoFormatUtf8) + // We have to implement the version without template arguments manually + // because of the StringReturnType<> hack, although WX_DEFINE_VARARG_FUNC + // normally does it itself. It has to be a template so that we can use + // the hack, even though there's no real template parameter. We can't move + // it to wxStrig, because it would shadow these versions of Format() then. + template + inline static typename StringReturnType::type + Format(const T& fmt) + { + // NB: this doesn't compile if T is not (some form of) a string; + // this makes Format's prototype equivalent to + // Format(const wxFormatString& fmt) + return DoFormatWchar(wxFormatString(fmt)); + } -// filenames are multibyte on Unix and probably widechar on Windows? -#if defined(__UNIX__) || defined(__BORLANDC__) -#define wxMBFILES 1 -#else -#define wxMBFILES 0 -#endif + // int Printf(const wxString& format, ...); + WX_DEFINE_VARARG_FUNC(int, Printf, 1, (const wxFormatString&), + DoPrintfWchar, DoPrintfUtf8) + // int sprintf(const wxString& format, ...) ATTRIBUTE_PRINTF_2; + WX_DEFINE_VARARG_FUNC(int, sprintf, 1, (const wxFormatString&), + DoPrintfWchar, DoPrintfUtf8) -#if wxMBFILES -#define wxFNCONV(name) wxConvFile.cWX2MB(name) -#define FNSTRINGCAST MBSTRINGCAST -#else -#define wxFNCONV(name) name -#define FNSTRINGCAST WXSTRINGCAST -#endif -#else//!wxUSE_WCHAR_T -class WXDLLEXPORT wxMBConv { -public: - const char* cMB2WX(const char *psz) const { return psz; } - const char* cWX2MB(const char *psz) const { return psz; } +protected: + wxStringPrintfMixin() : wxStringPrintfMixinBase() {} }; -WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile; -WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; -#define wxFNCONV(name) name -#define FNSTRINGCAST WXSTRINGCAST -#endif//wxUSE_WCHAR_T +#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN -// --------------------------------------------------------------------------- -// 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 + +// ---------------------------------------------------------------------------- +// wxString: string class trying to be compatible with std::string, MFC +// CString and wxWindows 1.x wxString all at once // --------------------------------------------------------------------------- -#ifdef WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString : public wxObject -{ - DECLARE_DYNAMIC_CLASS(wxString) -#else //WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString +#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 + +#if wxUSE_UNICODE_UTF8 +// see the comment near wxString::iterator for why we need this +class WXDLLIMPEXP_BASE wxStringIteratorNode { -#endif //WXSTRING_IS_WXOBJECT +public: + wxStringIteratorNode() + : m_str(NULL), m_citer(NULL), m_iter(NULL), m_prev(NULL), m_next(NULL) {} + wxStringIteratorNode(const wxString *str, + wxStringImpl::const_iterator *citer) + { DoSet(str, citer, NULL); } + wxStringIteratorNode(const wxString *str, wxStringImpl::iterator *iter) + { DoSet(str, NULL, iter); } + ~wxStringIteratorNode() + { clear(); } + + inline void set(const wxString *str, wxStringImpl::const_iterator *citer) + { clear(); DoSet(str, citer, NULL); } + inline void set(const wxString *str, wxStringImpl::iterator *iter) + { clear(); DoSet(str, NULL, iter); } + + const wxString *m_str; + wxStringImpl::const_iterator *m_citer; + wxStringImpl::iterator *m_iter; + wxStringIteratorNode *m_prev, *m_next; -friend class WXDLLEXPORT wxArrayString; +private: + inline void clear(); + inline void DoSet(const wxString *str, + wxStringImpl::const_iterator *citer, + wxStringImpl::iterator *iter); + + // the node belongs to a particular iterator instance, it's not copied + // when a copy of the iterator is made + DECLARE_NO_COPY_CLASS(wxStringIteratorNode) +}; +#endif // wxUSE_UNICODE_UTF8 +class WXDLLIMPEXP_BASE wxString +#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 - // performace critical functions are still inlined if you change order! + // performance critical functions are still inlined if you change order! +public: + // an 'invalid' value for string index, moved to this place due to a CW bug + static const size_t npos; + private: - // points to data preceded by wxStringData structure with ref count info - wxChar *m_pchData; - - // accessor to string data - wxStringData* GetStringData() const { return (wxStringData*)m_pchData - 1; } - - // string (re)initialization functions - // initializes the string to the empty value (must be called only from - // ctors, use Reinit() otherwise) - void Init() { m_pchData = (wxChar *)g_szNul; } - // initializaes the string with (a part of) C-string - void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = wxSTRING_MAXLEN); - // as Init, but also frees old data - void Reinit() { GetStringData()->Unlock(); Init(); } - - // memory allocation - // allocates memory for string of lenght nLen - void AllocBuffer(size_t nLen); - // copies data to another string - void AllocCopy(wxString&, int, int) const; - // effectively copies data to string - void AssignCopy(size_t, const wxChar *); - - // append a (sub)string - void ConcatSelf(int nLen, const wxChar *src); - - // functions called before writing to the string: they copy it if there - // are other references to our data (should be the only owner when writing) - void CopyBeforeWrite(); - void AllocBeforeWrite(size_t); - - // this method is not implemented - there is _no_ conversion from int to + // if we hadn't made these operators private, it would be possible to + // compile "wxString s; s = 17;" without any warnings as 17 is implicitly + // converted to char in C and we do have operator=(char) + // + // NB: we don't need other versions (short/long and unsigned) as attempt + // to assign another numeric type to wxString will now result in + // ambiguity between operator=(char) and operator=(int) + wxString& operator=(int); + + // these methods are not implemented - there is _no_ conversion from int to // string, you're doing something wrong if the compiler wants to call it! // // try `s << i' or `s.Printf("%d", i)' instead wxString(int); - wxString(long); + + + // buffer for holding temporary substring when using any of the methods + // that take (char*,size_t) or (wchar_t*,size_t) arguments: + template + struct SubstrBufFromType + { + T data; + size_t len; + + SubstrBufFromType(const T& data_, size_t len_) + : data(data_), len(len_) {} + }; + +#if wxUSE_UNICODE_UTF8 + // even char* -> char* needs conversion, from locale charset to UTF-8 + typedef SubstrBufFromType SubstrBufFromWC; + typedef SubstrBufFromType SubstrBufFromMB; +#elif wxUSE_UNICODE_WCHAR + typedef SubstrBufFromType SubstrBufFromWC; + typedef SubstrBufFromType SubstrBufFromMB; +#else + typedef SubstrBufFromType SubstrBufFromMB; + typedef SubstrBufFromType SubstrBufFromWC; +#endif + + + // Functions implementing primitive operations on string data; wxString + // methods and iterators are implemented in terms of it. The differences + // between UTF-8 and wchar_t* representations of the string are mostly + // contained here. + +#if wxUSE_UNICODE_UTF8 + static SubstrBufFromMB ConvertStr(const char *psz, size_t nLength, + const wxMBConv& conv); + static SubstrBufFromWC ConvertStr(const wchar_t *pwz, size_t nLength, + const wxMBConv& conv); +#elif wxUSE_UNICODE_WCHAR + static SubstrBufFromMB ConvertStr(const char *psz, size_t nLength, + const wxMBConv& conv); +#else + static SubstrBufFromWC ConvertStr(const wchar_t *pwz, size_t nLength, + const wxMBConv& conv); +#endif + +#if !wxUSE_UNICODE_UTF8 // wxUSE_UNICODE_WCHAR or !wxUSE_UNICODE + // returns C string encoded as the implementation expects: + #if wxUSE_UNICODE + static const wchar_t* ImplStr(const wchar_t* str) + { return str ? str : wxT(""); } + static const SubstrBufFromWC ImplStr(const wchar_t* str, size_t n) + { return SubstrBufFromWC(str, (str && n == npos) ? wxWcslen(str) : n); } + static wxWCharBuffer ImplStr(const char* str, + const wxMBConv& conv = wxConvLibc) + { return ConvertStr(str, npos, conv).data; } + static SubstrBufFromMB ImplStr(const char* str, size_t n, + const wxMBConv& conv = wxConvLibc) + { return ConvertStr(str, n, conv); } + #else + static const char* ImplStr(const char* str, + const wxMBConv& WXUNUSED(conv) = wxConvLibc) + { return str ? str : ""; } + static const SubstrBufFromMB ImplStr(const char* str, size_t n, + const wxMBConv& WXUNUSED(conv) = wxConvLibc) + { return SubstrBufFromMB(str, (str && n == npos) ? wxStrlen(str) : n); } + static wxCharBuffer ImplStr(const wchar_t* str) + { return ConvertStr(str, npos, wxConvLibc).data; } + static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n) + { return ConvertStr(str, n, wxConvLibc); } + #endif + + // translates position index in wxString to/from index in underlying + // wxStringImpl: + static size_t PosToImpl(size_t pos) { return pos; } + static void PosLenToImpl(size_t pos, size_t len, + size_t *implPos, size_t *implLen) + { *implPos = pos; *implLen = len; } + static size_t LenToImpl(size_t len) { return len; } + static size_t PosFromImpl(size_t pos) { return pos; } + +#else // wxUSE_UNICODE_UTF8 + + static wxCharBuffer ImplStr(const char* str, + const wxMBConv& conv = wxConvLibc) + { return ConvertStr(str, npos, conv).data; } + static SubstrBufFromMB ImplStr(const char* str, size_t n, + const wxMBConv& conv = wxConvLibc) + { return ConvertStr(str, n, conv); } + + static wxCharBuffer ImplStr(const wchar_t* str) + { return ConvertStr(str, npos, wxMBConvUTF8()).data; } + static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n) + { return ConvertStr(str, n, wxMBConvUTF8()); } + + size_t PosToImpl(size_t pos) const + { + if ( pos == 0 || pos == npos ) + return pos; + else + return (begin() + pos).impl() - m_impl.begin(); + } + + void PosLenToImpl(size_t pos, size_t len, size_t *implPos, size_t *implLen) const; + + size_t LenToImpl(size_t len) const + { + size_t pos, len2; + PosLenToImpl(0, len, &pos, &len2); + return len2; + } + + size_t PosFromImpl(size_t pos) const + { + if ( pos == 0 || pos == npos ) + return pos; + else + return const_iterator(this, m_impl.begin() + pos) - begin(); + } +#endif // !wxUSE_UNICODE_UTF8/wxUSE_UNICODE_UTF8 + +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; + +#if wxUSE_STL + #if wxUSE_UNICODE_UTF8 + // random access is not O(1), as required by Random Access Iterator + #define WX_STR_ITERATOR_TAG std::bidirectional_iterator_tag + #else + #define WX_STR_ITERATOR_TAG std::random_access_iterator_tag + #endif +#else + #define WX_STR_ITERATOR_TAG void /* dummy type */ +#endif + + #define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, reference_type) \ + private: \ + typedef wxStringImpl::iterator_name underlying_iterator; \ + public: \ + typedef WX_STR_ITERATOR_TAG iterator_category; \ + typedef wxUniChar value_type; \ + typedef int difference_type; \ + typedef reference_type reference; \ + typedef pointer_type pointer; \ + \ + reference operator[](size_t n) const { return *(*this + n); } \ + \ + iterator_name& operator++() \ + { wxStringOperations::IncIter(m_cur); return *this; } \ + iterator_name& operator--() \ + { wxStringOperations::DecIter(m_cur); return *this; } \ + iterator_name operator++(int) \ + { \ + iterator_name tmp = *this; \ + wxStringOperations::IncIter(m_cur); \ + return tmp; \ + } \ + iterator_name operator--(int) \ + { \ + iterator_name tmp = *this; \ + wxStringOperations::DecIter(m_cur); \ + return tmp; \ + } \ + \ + iterator_name& operator+=(int n) \ + { \ + m_cur = wxStringOperations::AddToIter(m_cur, n); \ + return *this; \ + } \ + iterator_name& operator+=(size_t n) \ + { \ + m_cur = wxStringOperations::AddToIter(m_cur, (int)n); \ + return *this; \ + } \ + iterator_name& operator-=(int n) \ + { \ + m_cur = wxStringOperations::AddToIter(m_cur, -n); \ + return *this; \ + } \ + iterator_name& operator-=(size_t n) \ + { \ + m_cur = wxStringOperations::AddToIter(m_cur, -(int)n); \ + return *this; \ + } \ + \ + difference_type operator-(const iterator_name& i) const \ + { return wxStringOperations::DiffIters(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; } \ + \ + private: \ + /* for internal wxString use only: */ \ + underlying_iterator impl() const { return m_cur; } \ + \ + friend class wxString; \ + friend class wxCStrData; \ + \ + private: \ + underlying_iterator m_cur + + class WXDLLIMPEXP_FWD_BASE const_iterator; + +#if wxUSE_UNICODE_UTF8 + // NB: In UTF-8 build, (non-const) iterator needs to keep reference + // to the underlying wxStringImpl, because UTF-8 is variable-length + // encoding and changing the value pointer to by an iterator (using + // its operator*) requires calling wxStringImpl::replace() if the old + // and new values differ in their encoding's length. + // + // Furthermore, the replace() call may invalid all iterators for the + // string, so we have to keep track of outstanding iterators and update + // them if replace() happens. + // + // This is implemented by maintaining linked list of iterators for every + // string and traversing it in wxUniCharRef::operator=(). Head of the + // list is stored in wxString. (FIXME-UTF8) + + class WXDLLIMPEXP_BASE iterator + { + WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef); + + public: + iterator() {} + iterator(const iterator& i) + : m_cur(i.m_cur), m_node(i.str(), &m_cur) {} + iterator& operator=(const iterator& i) + { m_cur = i.m_cur; m_node.set(i.str(), &m_cur); return *this; } + + reference operator*() + { return wxUniCharRef::CreateForString(m_node, m_cur); } + + iterator operator+(int n) const + { return iterator(str(), wxStringOperations::AddToIter(m_cur, n)); } + iterator operator+(size_t n) const + { return iterator(str(), wxStringOperations::AddToIter(m_cur, (int)n)); } + iterator operator-(int n) const + { return iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); } + iterator operator-(size_t n) const + { return iterator(str(), wxStringOperations::AddToIter(m_cur, -(int)n)); } + + private: + iterator(wxString *str, underlying_iterator ptr) + : m_cur(ptr), m_node(str, &m_cur) {} + + wxString* str() const { return wx_const_cast(wxString*, m_node.m_str); } + + wxStringIteratorNode m_node; + + friend class const_iterator; + }; + + class WXDLLIMPEXP_BASE 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); + + public: + const_iterator() {} + const_iterator(const const_iterator& i) + : m_cur(i.m_cur), m_node(i.str(), &m_cur) {} + const_iterator(const iterator& i) + : m_cur(i.m_cur), m_node(i.str(), &m_cur) {} + + const_iterator& operator=(const const_iterator& i) + { m_cur = i.m_cur; m_node.set(i.str(), &m_cur); return *this; } + const_iterator& operator=(const iterator& i) + { m_cur = i.m_cur; m_node.set(i.str(), &m_cur); return *this; } + + reference operator*() const + { return wxStringOperations::DecodeChar(m_cur); } + + const_iterator operator+(int n) const + { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, n)); } + const_iterator operator+(size_t n) const + { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, (int)n)); } + const_iterator operator-(int n) const + { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); } + const_iterator operator-(size_t n) const + { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, -(int)n)); } + + private: + // for internal wxString use only: + const_iterator(const wxString *str, underlying_iterator ptr) + : m_cur(ptr), m_node(str, &m_cur) {} + + const wxString* str() const { return m_node.m_str; } + + wxStringIteratorNode m_node; + }; + + size_t IterToImplPos(wxString::iterator i) const + { return wxStringImpl::const_iterator(i.impl()) - m_impl.begin(); } + +#else // !wxUSE_UNICODE_UTF8 + + class WXDLLIMPEXP_BASE iterator + { + WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef); + + public: + iterator() {} + iterator(const iterator& i) : m_cur(i.m_cur) {} + + reference operator*() + { return wxUniCharRef::CreateForString(m_cur); } + + iterator operator+(int n) const + { return iterator(wxStringOperations::AddToIter(m_cur, n)); } + iterator operator+(size_t n) const + { return iterator(wxStringOperations::AddToIter(m_cur, (int)n)); } + iterator operator-(int n) const + { return iterator(wxStringOperations::AddToIter(m_cur, -n)); } + iterator operator-(size_t n) const + { return iterator(wxStringOperations::AddToIter(m_cur, -(int)n)); } + + private: + // for internal wxString use only: + iterator(underlying_iterator ptr) : m_cur(ptr) {} + iterator(wxString *WXUNUSED(str), underlying_iterator ptr) : m_cur(ptr) {} + + friend class const_iterator; + }; + + class WXDLLIMPEXP_BASE 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); + + public: + const_iterator() {} + const_iterator(const const_iterator& i) : m_cur(i.m_cur) {} + const_iterator(const iterator& i) : m_cur(i.m_cur) {} + + reference operator*() const + { return wxStringOperations::DecodeChar(m_cur); } + + const_iterator operator+(int n) const + { return const_iterator(wxStringOperations::AddToIter(m_cur, n)); } + const_iterator operator+(size_t n) const + { return const_iterator(wxStringOperations::AddToIter(m_cur, (int)n)); } + const_iterator operator-(int n) const + { return const_iterator(wxStringOperations::AddToIter(m_cur, -n)); } + const_iterator operator-(size_t n) const + { return const_iterator(wxStringOperations::AddToIter(m_cur, -(int)n)); } + + private: + // for internal wxString use only: + const_iterator(underlying_iterator ptr) : m_cur(ptr) {} + const_iterator(const wxString *WXUNUSED(str), underlying_iterator ptr) + : m_cur(ptr) {} + }; +#endif // wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8 + + #undef WX_STR_ITERATOR_TAG + #undef WX_STR_ITERATOR_IMPL + + friend class iterator; + friend class const_iterator; + + template + class reverse_iterator_impl + { + public: + typedef T iterator_type; + + typedef typename T::iterator_category iterator_category; + typedef typename T::value_type value_type; + typedef typename T::difference_type difference_type; + typedef typename T::reference reference; + typedef typename T::pointer *pointer; + + reverse_iterator_impl() {} + 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); } + reference operator[](size_t n) const { return *(*this + n); } + + 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; } + + // NB: explicit in the functions below is to keep BCC 5.5 happy + reverse_iterator_impl operator+(int n) const + { return reverse_iterator_impl(m_cur - n); } + reverse_iterator_impl operator+(size_t n) const + { return reverse_iterator_impl(m_cur - n); } + reverse_iterator_impl operator-(int n) const + { return reverse_iterator_impl(m_cur + n); } + reverse_iterator_impl operator-(size_t n) const + { return reverse_iterator_impl(m_cur + n); } + reverse_iterator_impl operator+=(int n) + { m_cur -= n; return *this; } + reverse_iterator_impl operator+=(size_t n) + { m_cur -= n; return *this; } + reverse_iterator_impl operator-=(int n) + { m_cur += n; return *this; } + reverse_iterator_impl operator-=(size_t n) + { m_cur += n; return *this; } + + unsigned operator-(const reverse_iterator_impl& i) const + { return i.m_cur - m_cur; } + + 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); } + + bool operator<(const reverse_iterator_impl& i) const + { return m_cur > i.m_cur; } + bool operator>(const reverse_iterator_impl& i) const + { return m_cur < i.m_cur; } + bool operator<=(const reverse_iterator_impl& i) const + { return m_cur >= i.m_cur; } + bool operator>=(const reverse_iterator_impl& i) const + { return m_cur <= i.m_cur; } + + private: + iterator_type m_cur; + }; + + typedef reverse_iterator_impl reverse_iterator; + typedef reverse_iterator_impl const_reverse_iterator; + +private: + // used to transform an expression built using c_str() (and hence of type + // wxCStrData) to an iterator into the string + static const_iterator CreateConstIterator(const wxCStrData& data) + { + return const_iterator(data.m_str, + (data.m_str->begin() + data.m_offset).impl()); + } + + // in UTF-8 STL build, creation from std::string requires conversion under + // non-UTF8 locales, so we can't have and use wxString(wxStringImpl) ctor; + // instead we define dummy type that lets us have wxString ctor for creation + // from wxStringImpl that couldn't be used by user code (in all other builds, + // "standard" ctors can be used): +#if wxUSE_UNICODE_UTF8 && wxUSE_STL_BASED_WXSTRING + struct CtorFromStringImplTag {}; + + wxString(CtorFromStringImplTag* WXUNUSED(dummy), const wxStringImpl& src) + : m_impl(src) {} + + static wxString FromImpl(const wxStringImpl& src) + { return wxString((CtorFromStringImplTag*)NULL, src); } +#else + #if !wxUSE_STL_BASED_WXSTRING + wxString(const wxStringImpl& src) : m_impl(src) { } + // else: already defined as wxString(wxStdString) below + #endif + static wxString FromImpl(const wxStringImpl& src) { return wxString(src); } +#endif public: // constructors and destructor // ctor for an empty string - wxString() { Init(); } + wxString() {} + // copy ctor - wxString(const wxString& stringSrc) + wxString(const wxString& stringSrc) : m_impl(stringSrc.m_impl) { } + + // string containing nRepeat copies of ch + wxString(wxUniChar ch, size_t nRepeat = 1 ) + { assign(nRepeat, ch); } + wxString(size_t nRepeat, wxUniChar ch) + { assign(nRepeat, ch); } + wxString(wxUniCharRef ch, size_t nRepeat = 1) + { assign(nRepeat, ch); } + wxString(size_t nRepeat, wxUniCharRef ch) + { assign(nRepeat, ch); } + wxString(char ch, size_t nRepeat = 1) + { assign(nRepeat, ch); } + wxString(size_t nRepeat, char ch) + { assign(nRepeat, ch); } + wxString(wchar_t ch, size_t nRepeat = 1) + { assign(nRepeat, ch); } + wxString(size_t nRepeat, wchar_t ch) + { assign(nRepeat, ch); } + + // ctors from char* strings: + wxString(const char *psz) + : m_impl(ImplStr(psz)) {} + wxString(const char *psz, const wxMBConv& conv) + : m_impl(ImplStr(psz, conv)) {} + wxString(const char *psz, size_t nLength) + { assign(psz, nLength); } + wxString(const char *psz, const wxMBConv& conv, size_t nLength) { - wxASSERT( stringSrc.GetStringData()->IsValid() ); + SubstrBufFromMB str(ImplStr(psz, nLength, conv)); + m_impl.assign(str.data, str.len); + } - if ( stringSrc.IsEmpty() ) { - // nothing to do for an empty string - Init(); - } - else { - m_pchData = stringSrc.m_pchData; // share same data - GetStringData()->Lock(); // => one more copy - } + // and unsigned char*: + wxString(const unsigned char *psz) + : m_impl(ImplStr((const char*)psz)) {} + wxString(const unsigned char *psz, const wxMBConv& conv) + : m_impl(ImplStr((const char*)psz, conv)) {} + wxString(const unsigned char *psz, size_t nLength) + { assign((const char*)psz, nLength); } + wxString(const unsigned char *psz, const wxMBConv& conv, size_t nLength) + { + SubstrBufFromMB str(ImplStr((const char*)psz, nLength, conv)); + m_impl.assign(str.data, str.len); } - // string containing nRepeat copies of ch - wxString(wxChar ch, size_t nRepeat = 1); - // ctor takes first nLength characters from C string - // (default value of wxSTRING_MAXLEN means take all the string) - wxString(const wxChar *psz, size_t nLength = wxSTRING_MAXLEN) - { InitWith(psz, 0, nLength); } -#if wxUSE_UNICODE - // from multibyte string - // (NB: nLength is right now number of Unicode characters, not - // characters in psz! So try not to use it yet!) - wxString(const char *psz, wxMBConv& conv = wxConvLibc, size_t nLength = wxSTRING_MAXLEN); - // from wxWCharBuffer (i.e. return from wxGetString) - wxString(const wxWCharBuffer& psz) - { InitWith(psz, 0, wxSTRING_MAXLEN); } + + // ctors from wchar_t* strings: + wxString(const wchar_t *pwz) + : m_impl(ImplStr(pwz)) {} + wxString(const wchar_t *pwz, const wxMBConv& WXUNUSED(conv)) + : m_impl(ImplStr(pwz)) {} + wxString(const wchar_t *pwz, size_t nLength) + { assign(pwz, nLength); } + wxString(const wchar_t *pwz, const wxMBConv& WXUNUSED(conv), size_t nLength) + { assign(pwz, nLength); } + + wxString(const wxCharBuffer& buf) + { assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length + wxString(const wxWCharBuffer& buf) + { assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length + + wxString(const wxCStrData& cstr) + : m_impl(cstr.AsString().m_impl) { } + + // as we provide both ctors with this signature for both char and unsigned + // char string, we need to provide one for wxCStrData to resolve ambiguity + wxString(const wxCStrData& cstr, size_t nLength) + : m_impl(cstr.AsString().Mid(0, nLength).m_impl) {} + + // and because wxString is convertible to wxCStrData and const wxChar * + // we also need to provide this one + wxString(const wxString& str, size_t nLength) + { assign(str, nLength); } + + // even if we're not built with wxUSE_STL == 1 it is very convenient to allow + // implicit conversions from std::string to wxString and vice verse 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 + #if wxUSE_UNICODE_WCHAR + wxString(const wxStdWideString& str) : m_impl(str) {} + #else // UTF-8 or ANSI + wxString(const wxStdWideString& str) + { assign(str.c_str(), str.length()); } + #endif + + #if !wxUSE_UNICODE // ANSI build + // FIXME-UTF8: do this in UTF8 build #if wxUSE_UTF8_LOCALE_ONLY, too + wxString(const std::string& str) : m_impl(str) {} + #else // Unicode + wxString(const std::string& str) + { assign(str.c_str(), str.length()); } + #endif +#endif // wxUSE_STD_STRING + + // Unlike ctor from std::string, we provide conversion to std::string only + // if wxUSE_STL and not merely wxUSE_STD_STRING (which is on by default), + // because it conflicts with operator const char/wchar_t*: +#if wxUSE_STL + #if wxUSE_UNICODE_WCHAR && wxUSE_STL_BASED_WXSTRING + // wxStringImpl is std::string in the encoding we want + operator const wxStdWideString&() const { return m_impl; } + #else + // wxStringImpl is either not std::string or needs conversion + operator wxStdWideString() const + // FIXME-UTF8: broken for embedded NULs + { return wxStdWideString(wc_str()); } + #endif + + #if (!wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY) && wxUSE_STL_BASED_WXSTRING + // wxStringImpl is std::string in the encoding we want + operator const std::string&() const { return m_impl; } + #else + // wxStringImpl is either not std::string or needs conversion + operator std::string() const + // FIXME-UTF8: broken for embedded NULs + { return std::string(mb_str()); } + #endif +#endif // wxUSE_STL + + // first valid index position + const_iterator begin() const { return const_iterator(this, m_impl.begin()); } + iterator begin() { return iterator(this, m_impl.begin()); } + // position one after the last valid one + const_iterator end() const { return const_iterator(this, m_impl.end()); } + iterator end() { return iterator(this, m_impl.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()); } + + // std::string methods: +#if wxUSE_UNICODE_UTF8 + size_t length() const { return end() - begin(); } // FIXME-UTF8: optimize! #else - // from C string (for compilers using unsigned char) - wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN) - { InitWith((const char*)psz, 0, nLength); } - // from multibyte string - wxString(const char *psz, wxMBConv& WXUNUSED(conv), size_t nLength = wxSTRING_MAXLEN) - { InitWith(psz, 0, nLength); } -#if wxUSE_WCHAR_T - // from wide (Unicode) string - wxString(const wchar_t *pwz); -#endif - // from wxCharBuffer - wxString(const wxCharBuffer& psz) - { InitWith(psz, 0, wxSTRING_MAXLEN); } + size_t length() const { return m_impl.length(); } #endif - // dtor is not virtual, this class must not be inherited from! - ~wxString() { GetStringData()->Unlock(); } + + size_type size() const { return length(); } + size_type max_size() const { return npos; } + + bool empty() const { return m_impl.empty(); } + + size_type capacity() const { return m_impl.capacity(); } // FIXME-UTF8 + void reserve(size_t sz) { m_impl.reserve(sz); } // FIXME-UTF8 + + void resize(size_t nSize, wxUniChar ch = wxT('\0')) + { + const size_t len = length(); + if ( nSize == len) + return; + +#if wxUSE_UNICODE_UTF8 + if ( nSize < len ) + { + // we can't use wxStringImpl::resize() for truncating the string as it + // counts in bytes, not characters + erase(nSize); + return; + } + + // we also can't use (presumably more efficient) resize() if we have to + // append characters taking more than one byte + if ( !ch.IsAscii() ) + append(nSize - len, ch); + else +#endif // wxUSE_UNICODE_UTF8 + m_impl.resize(nSize, (wxStringCharType)ch); + } + + wxString substr(size_t nStart = 0, size_t nLen = npos) const + { + size_t pos, len; + PosLenToImpl(nStart, nLen, &pos, &len); + return FromImpl(m_impl.substr(pos, len)); + } // 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 void Empty() { - if ( !IsEmpty() ) - Reinit(); + Truncate(0); - // should be empty - wxASSERT( GetStringData()->nDataLength == 0 ); + wxASSERT_MSG( empty(), _T("string not empty after call to Empty()?") ); } // empty the string and free memory void Clear() { - if ( !GetStringData()->IsEmpty() ) - Reinit(); - - wxASSERT( GetStringData()->nDataLength == 0 ); // should be empty - wxASSERT( GetStringData()->nAllocLength == 0 ); // and not own any memory + wxString tmp(wxEmptyString); + swap(tmp); } // contents test @@ -423,84 +1150,270 @@ public: // data access (all indexes are 0 based) // read access - wxChar GetChar(size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } + wxUniChar at(size_t n) const + { return *(begin() + n); } // FIXME-UTF8: optimize? + wxUniChar GetChar(size_t n) const + { return at(n); } // read/write access - wxChar& GetWritableChar(size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + wxUniCharRef at(size_t n) + { return *(begin() + n); } // FIXME-UTF8: optimize? + wxUniCharRef GetWritableChar(size_t n) + { return at(n); } // write access - void SetChar(size_t n, wxChar ch) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } + void SetChar(size_t n, wxUniChar ch) + { at(n) = ch; } // get last character - wxChar Last() const - { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; } + wxUniChar Last() const + { + wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") ); + return *rbegin(); + } + // get writable last character - wxChar& Last() - { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; } - - // under Unix it is tested with configure, assume it works on other - // platforms (there might be overloading problems if size_t and int are - // the same type) -#if !defined(__UNIX__) || wxUSE_SIZE_T_STRING_OPERATOR - // operator version of GetChar - wxChar operator[](size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } -#endif + wxUniCharRef Last() + { + wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") ); + return *rbegin(); + } + + /* + Note that we we must define all of the overloads below to avoid + ambiguity when using str[0]. + */ + wxUniChar operator[](int n) const + { return at(n); } + wxUniChar operator[](long n) const + { return at(n); } + wxUniChar operator[](size_t n) const + { return at(n); } +#ifndef wxSIZE_T_IS_UINT + wxUniChar operator[](unsigned int n) const + { return at(n); } +#endif // size_t != unsigned int + + // operator versions of GetWriteableChar() + wxUniCharRef operator[](int n) + { return at(n); } + wxUniCharRef operator[](long n) + { return at(n); } + wxUniCharRef operator[](size_t n) + { return at(n); } +#ifndef wxSIZE_T_IS_UINT + wxUniCharRef operator[](unsigned int n) + { return at(n); } +#endif // size_t != unsigned int - // operator version of GetChar - wxChar operator[](int n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } - // operator version of GetWritableChar - wxChar& operator[](size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + // explicit conversion to C string (use this with printf()!) + wxCStrData c_str() const { return wxCStrData(this); } + wxCStrData data() const { return c_str(); } // 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; } - // (and this with [wx]Printf()!) - const wxChar* wx_str() const { return m_pchData; } + operator wxCStrData() const { return c_str(); } + + // the first two operators conflict with operators for conversion to + // std::string and they must be disabled in STL build; the next one only + // makes sense if conversions to char* are also defined and not defining it + // in STL build also helps us to get more clear error messages for the code + // which relies on implicit conversion to char* in STL build +#if !wxUSE_STL + operator const char*() const { return c_str(); } + operator const wchar_t*() const { return c_str(); } + + // implicit conversion to untyped pointer for compatibility with previous + // wxWidgets versions: this is the same as conversion to const char * so it + // may fail! + operator const void*() const { return c_str(); } +#endif // wxUSE_STL + + // identical to c_str(), for MFC compatibility + const wxCStrData GetData() const { return c_str(); } + + // explicit conversion to C string in internal representation (char*, + // wchar_t*, UTF-8-encoded char*, depending on the build): + const wxStringCharType *wx_str() const { return m_impl.c_str(); } + + // conversion to *non-const* multibyte or widestring buffer; modifying + // returned buffer won't affect the string, these methods are only useful + // for passing values to const-incorrect functions + wxWritableCharBuffer char_str(const wxMBConv& conv = wxConvLibc) const + { return mb_str(conv); } + wxWritableWCharBuffer wchar_str() const { return wc_str(); } + + // 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.) // - const wxChar* GetData() const { return m_pchData; } + // 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 - const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const { return conv.cWC2MB(m_pchData); } - const wxChar* wc_str(wxMBConv& WXUNUSED(conv) = wxConvLibc) const { return m_pchData; } -#if wxMBFILES - const wxCharBuffer fn_str() const { return mb_str(wxConvFile); } -#else - const wxChar* fn_str() const { return m_pchData; } + static wxString FromAscii(const char *ascii, size_t len); + static wxString FromAscii(const char *ascii); + static wxString FromAscii(char ascii); + const wxCharBuffer ToAscii() const; +#else // ANSI + static wxString FromAscii(const char *ascii) { return wxString( ascii ); } + static wxString FromAscii(const char *ascii, size_t len) + { return wxString( ascii, len ); } + static wxString FromAscii(char ascii) { return wxString( ascii ); } + const char *ToAscii() const { return c_str(); } +#endif // Unicode/!Unicode + + // also provide unsigned char overloads as signed/unsigned doesn't matter + // for 7 bit ASCII characters + static wxString FromAscii(const unsigned char *ascii) + { return FromAscii((const char *)ascii); } + static wxString FromAscii(const unsigned char *ascii, size_t len) + { return FromAscii((const char *)ascii, len); } + + // conversion to/from UTF-8: +#if wxUSE_UNICODE_UTF8 + static wxString FromUTF8(const char *utf8) + { + if ( !utf8 ) + return wxEmptyString; + + wxASSERT( wxStringOperations::IsValidUtf8String(utf8) ); + return FromImpl(wxStringImpl(utf8)); + } + static wxString FromUTF8(const char *utf8, size_t len) + { + if ( !utf8 ) + return wxEmptyString; + if ( len == npos ) + return FromUTF8(utf8); + + wxASSERT( wxStringOperations::IsValidUtf8String(utf8, len) ); + return FromImpl(wxStringImpl(utf8, len)); + } + const char* utf8_str() const { return wx_str(); } + const char* ToUTF8() const { return wx_str(); } +#elif wxUSE_UNICODE_WCHAR + static wxString FromUTF8(const char *utf8) + { return wxString(utf8, wxMBConvUTF8()); } + static wxString FromUTF8(const char *utf8, size_t len) + { return wxString(utf8, wxMBConvUTF8(), len); } + const wxCharBuffer utf8_str() const { return mb_str(wxMBConvUTF8()); } + const wxCharBuffer ToUTF8() const { return utf8_str(); } +#else // ANSI + static wxString FromUTF8(const char *utf8) + { return wxString(wxMBConvUTF8().cMB2WC(utf8)); } + static wxString FromUTF8(const char *utf8, size_t len) + { + size_t wlen; + wxWCharBuffer buf(wxMBConvUTF8().cMB2WC(utf8, len == npos ? wxNO_LEN : len, &wlen)); + return wxString(buf.data(), wlen); + } + const wxCharBuffer utf8_str() const + { return wxMBConvUTF8().cWC2MB(wc_str()); } + const wxCharBuffer ToUTF8() const { return utf8_str(); } #endif + + // functions for storing binary data in wxString: +#if wxUSE_UNICODE + static wxString From8BitData(const char *data, size_t len) + { return wxString(data, wxConvISO8859_1, len); } + // version for NUL-terminated data: + static wxString From8BitData(const char *data) + { return wxString(data, wxConvISO8859_1); } + const wxCharBuffer To8BitData() const { return mb_str(wxConvISO8859_1); } +#else // ANSI + static wxString From8BitData(const char *data, size_t len) + { return wxString(data, len); } + // version for NUL-terminated data: + static wxString From8BitData(const char *data) + { return wxString(data); } + const char *To8BitData() const { return c_str(); } +#endif // Unicode/ANSI + + // conversions with (possible) format conversions: have to return a + // buffer with temporary data + // + // the functions defined (in either Unicode or ANSI) mode are mb_str() to + // return an ANSI (multibyte) string, wc_str() to return a wide string and + // fn_str() to return a string which should be used with the OS APIs + // accepting the file names. The return value is always the same, but the + // type differs because a function may either return pointer to the buffer + // directly or have to use intermediate buffer for translation. +#if wxUSE_UNICODE + +#if wxUSE_UTF8_LOCALE_ONLY + const char* mb_str() const { return wx_str(); } + const wxCharBuffer mb_str(const wxMBConv& conv) const; #else - const wxChar* mb_str(wxMBConv& WXUNUSED(conv) = wxConvLibc ) const { return m_pchData; } -#if wxUSE_WCHAR_T - const wxWCharBuffer wc_str(wxMBConv& conv) const { return conv.cMB2WC(m_pchData); } + const wxCharBuffer mb_str(const wxMBConv& conv = wxConvLibc) const; #endif - const wxChar* fn_str() const { return m_pchData; } -#endif - // for convenience + const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } +#if wxUSE_UNICODE_WCHAR + const wxChar* wc_str() const { return wx_str(); } +#elif wxUSE_UNICODE_UTF8 + const wxWCharBuffer wc_str() const; +#endif + // for compatibility with !wxUSE_UNICODE version + const wxWX2WCbuf wc_str(const wxMBConv& WXUNUSED(conv)) const + { return wc_str(); } + +#if wxMBFILES + const wxCharBuffer fn_str() const { return mb_str(wxConvFile); } +#else // !wxMBFILES + const wxWX2WCbuf fn_str() const { return wc_str(); } +#endif // wxMBFILES/!wxMBFILES + +#else // ANSI + const wxChar* mb_str() const { return wx_str(); } + + // for compatibility with wxUSE_UNICODE version + const wxChar* mb_str(const wxMBConv& WXUNUSED(conv)) const { return wx_str(); } + + const wxWX2MBbuf mbc_str() const { return mb_str(); } + +#if wxUSE_WCHAR_T + const wxWCharBuffer wc_str(const wxMBConv& conv = wxConvLibc) const; +#endif // wxUSE_WCHAR_T + const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLocal ) ); } +#endif // Unicode/ANSI + // overloaded assignment // from another wxString - wxString& operator=(const wxString& stringSrc); + wxString& operator=(const wxString& stringSrc) + { m_impl = stringSrc.m_impl; return *this; } + wxString& operator=(const wxCStrData& cstr) + { return *this = cstr.AsString(); } // from a character - wxString& operator=(wxChar ch); - // from a C string - wxString& operator=(const wxChar *psz); -#if wxUSE_UNICODE - // from wxWCharBuffer - wxString& operator=(const wxWCharBuffer& psz) { return operator=((const wchar_t *)psz); } + wxString& operator=(wxUniChar ch) + { m_impl = wxStringOperations::EncodeChar(ch); return *this; } + wxString& operator=(wxUniCharRef ch) + { return operator=((wxUniChar)ch); } + wxString& operator=(char ch) + { return operator=(wxUniChar(ch)); } + wxString& operator=(unsigned char ch) + { return operator=(wxUniChar(ch)); } + wxString& operator=(wchar_t ch) + { return operator=(wxUniChar(ch)); } + // from a C string - STL probably will crash on NULL, + // so we need to compensate in that case +#if wxUSE_STL_BASED_WXSTRING + wxString& operator=(const char *psz) + { if (psz) m_impl = ImplStr(psz); else Clear(); return *this; } + wxString& operator=(const wchar_t *pwz) + { if (pwz) m_impl = ImplStr(pwz); else Clear(); return *this; } #else - // from another kind of C string - wxString& operator=(const unsigned char* psz); -#if wxUSE_WCHAR_T - // from a wide string - wxString& operator=(const wchar_t *pwz); + wxString& operator=(const char *psz) + { m_impl = ImplStr(psz); return *this; } + wxString& operator=(const wchar_t *pwz) + { m_impl = ImplStr(pwz); return *this; } #endif + wxString& operator=(const unsigned char *psz) + { return operator=((const char*)psz); } + + // from wxWCharBuffer + wxString& operator=(const wxWCharBuffer& s) + { return operator=(s.data()); } // FIXME-UTF8: fix for embedded NULs // from wxCharBuffer - wxString& operator=(const wxCharBuffer& psz) { return operator=((const char *)psz); } -#endif + wxString& operator=(const wxCharBuffer& s) + { return operator=(s.data()); } // FIXME-UTF8: fix for embedded NULs // string concatenation // in place concatenation @@ -512,109 +1425,209 @@ public: // string += string wxString& operator<<(const wxString& s) { - wxASSERT( s.GetStringData()->IsValid() ); +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 + wxASSERT_MSG( s.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); } + wxString& operator<<(const char *psz) + { append(psz); return *this; } + wxString& operator<<(const wchar_t *pwz) + { append(pwz); return *this; } + wxString& operator<<(const wxCStrData& psz) + { append(psz.AsString()); 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<<(unsigned 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); } -#else - wxString& operator<<(const wxCharBuffer& s) { (void)operator<<((const char *)s); return *this; } - void operator+=(const wxCharBuffer& s) { (void)operator<<((const char *)s); } -#endif + wxString& operator<<(const wxWCharBuffer& s) + { return operator<<((const wchar_t *)s); } + wxString& operator<<(const wxCharBuffer& s) + { return operator<<((const char *)s); } // string += C string - wxString& Append(const wxChar* psz) - { ConcatSelf(wxStrlen(psz), psz); return *this; } + wxString& Append(const wxString& s) + { + // test for empty() to share the string if possible + if ( empty() ) + *this = s; + else + append(s); + return *this; + } + wxString& Append(const char* psz) + { append(psz); return *this; } + wxString& Append(const wchar_t* pwz) + { append(pwz); return *this; } + wxString& Append(const wxCStrData& psz) + { append(psz); return *this; } + wxString& Append(const wxCharBuffer& psz) + { append(psz); return *this; } + wxString& Append(const wxWCharBuffer& psz) + { 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(unsigned 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 char* psz, size_t nLen) + { append(psz, nLen); return *this; } + wxString& Append(const wchar_t* pwz, size_t nLen) + { append(pwz, 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 char *psz); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, + const wchar_t *pwz); + // C string with string + friend wxString WXDLLIMPEXP_BASE operator+(const char *psz, + const wxString& string); + friend wxString WXDLLIMPEXP_BASE operator+(const wchar_t *pwz, + const wxString& string); // stream-like functions // insert an int into string - wxString& operator<<(int i); - // insert a float into string - wxString& operator<<(float f); - // insert a double into string - wxString& operator<<(double d); - - // string comparison + wxString& operator<<(int i) + { return (*this) << Format(_T("%d"), i); } + // insert an unsigned int into string + wxString& operator<<(unsigned int ui) + { return (*this) << Format(_T("%u"), ui); } + // insert a long into string + wxString& operator<<(long l) + { return (*this) << Format(_T("%ld"), l); } + // insert an unsigned long into string + wxString& operator<<(unsigned long ul) + { return (*this) << Format(_T("%lu"), ul); } +#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); } + // insert a double into string + wxString& operator<<(double d) + { return (*this) << Format(_T("%g"), d); } + + // string comparison // case-sensitive comparison (returns a value < 0, = 0 or > 0) - int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } + int Cmp(const char *psz) const + { return compare(psz); } + int Cmp(const wchar_t *pwz) const + { return compare(pwz); } + int Cmp(const wxString& s) const + { return compare(s); } + int Cmp(const wxCStrData& s) const + { return compare(s); } + int Cmp(const wxCharBuffer& s) const + { return compare(s); } + int Cmp(const wxWCharBuffer& s) const + { return compare(s); } // same as Cmp() but not case-sensitive - int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } + 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 - { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; } - // comparison with a signle character: returns TRUE if equal - bool IsSameAs(wxChar c, bool compareWithCase = TRUE) const - { - return (Len() == 1) && (compareWithCase ? GetChar(0u) == c - : wxToupper(GetChar(0u)) == wxToupper(c)); - } + bool IsSameAs(const wxString& str, bool compareWithCase = true) const + { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; } + bool IsSameAs(const char *str, bool compareWithCase = true) const + { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; } + bool IsSameAs(const wchar_t *str, bool compareWithCase = true) const + { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; } + bool IsSameAs(const wxCStrData& str, bool compareWithCase = true) const + { return IsSameAs(str.AsString(), compareWithCase); } + bool IsSameAs(const wxCharBuffer& str, bool compareWithCase = true) const + { return IsSameAs(str.data(), compareWithCase); } + bool IsSameAs(const wxWCharBuffer& str, bool compareWithCase = true) const + { return IsSameAs(str.data(), compareWithCase); } + // comparison with a single character: returns true if equal + bool IsSameAs(wxUniChar c, bool compareWithCase = true) const; + // FIXME-UTF8: remove these overloads + bool IsSameAs(wxUniCharRef c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(char c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(unsigned char c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(wchar_t c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(int c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } // 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() + // operator version of Mid() wxString operator()(size_t start, size_t len) const { return Mid(start, len); } + // 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 wxString& 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 wxString& suffix, wxString *rest = NULL) const; + // get first nCount characters wxString Left(size_t nCount) const; // get last nCount characters wxString Right(size_t nCount) const; - // get all characters before the first occurence of ch + // get all characters before the first occurance of ch // (returns the whole string if ch not found) - wxString BeforeFirst(wxChar ch) const; + 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 @@ -629,46 +1642,134 @@ 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 = _T(' '), bool bFromRight = TRUE); - // truncate string to given length - wxString& Truncate(size_t uiLen); + 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 + int Find(wxUniCharRef ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } + int Find(char ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } + int Find(unsigned char ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } + int Find(wchar_t ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } // searching (return starting index, or -1 if not found) - int Find(const wxChar *pszSub) const; // like strstr + int Find(const wxString& sub) const // like strstr + { + size_type idx = find(sub); + return (idx == npos) ? wxNOT_FOUND : (int)idx; + } + int Find(const char *sub) const // like strstr + { + size_type idx = find(sub); + return (idx == npos) ? wxNOT_FOUND : (int)idx; + } + int Find(const wchar_t *sub) const // like strstr + { + size_type idx = find(sub); + return (idx == npos) ? wxNOT_FOUND : (int)idx; + } + + int Find(const wxCStrData& sub) const + { return Find(sub.AsString()); } + int Find(const wxCharBuffer& sub) const + { return Find(sub.data()); } + int Find(const wxWCharBuffer& sub) const + { return Find(sub.data()); } + // 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); + size_t Replace(const wxString& strOld, + const wxString& strNew, + bool bReplaceAll = true); // check if the string contents matches a mask containing '*' and '?' - bool Matches(const wxChar *szMask) const; - - // formated input/output + bool Matches(const wxString& mask) const; + + // conversion to numbers: all functions return true only if the whole + // string is a number and put the value of this number into the pointer + // provided, the base is the numeric base in which the conversion should be + // done and must be comprised between 2 and 36 or be 0 in which case the + // standard C rules apply (leading '0' => octal, "0x" => hex) + // convert to a signed integer + bool ToLong(long *val, int base = 10) const; + // convert to an unsigned integer + bool ToULong(unsigned long *val, int base = 10) const; + // convert to 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; + + +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN + // formatted input/output // as sprintf(), returns the number of characters written or < 0 on error - int Printf(const wxChar *pszFormat, ...); + // (take 'this' into account in attribute parameter count) + // int Printf(const wxString& format, ...); + WX_DEFINE_VARARG_FUNC(int, Printf, 1, (const wxFormatString&), + DoPrintfWchar, DoPrintfUtf8) +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const wxString&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const wxCStrData&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const char*), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const wchar_t*), + (wxFormatString(f1))); +#endif +#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 wxString& format, ...) ATTRIBUTE_PRINTF_1; + WX_DEFINE_VARARG_FUNC(static wxString, Format, 1, (const wxFormatString&), + DoFormatWchar, DoFormatUtf8) +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const wxString&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const wxCStrData&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const char*), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const wchar_t*), + (wxFormatString(f1))); +#endif +#endif + // the same as above, but takes a va_list + 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 - void 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 - void Shrink(); + bool Shrink(); +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 + // 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( wxStringCharType *GetWriteBuf(size_t nLen) ); // call this immediately after GetWriteBuf() has been used - void UngetWriteBuf(); + wxDEPRECATED( void UngetWriteBuf() ); + wxDEPRECATED( void UngetWriteBuf(size_t nLen) ); +#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && wxUSE_UNICODE_UTF8 - // wxWindows version 1 compatibility functions + // wxWidgets version 1 compatibility functions // use Mid() wxString SubString(size_t from, size_t to) const @@ -678,17 +1779,33 @@ public: // values for first parameter of Strip function enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; - // use Printf() - int sprintf(const wxChar *pszFormat, ...); +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN + // use Printf() + // (take 'this' into account in attribute parameter count) + // int sprintf(const wxString& format, ...) ATTRIBUTE_PRINTF_2; + WX_DEFINE_VARARG_FUNC(int, sprintf, 1, (const wxFormatString&), + DoPrintfWchar, DoPrintfUtf8) +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const wxString&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const wxCStrData&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const char*), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const wchar_t*), + (wxFormatString(f1))); +#endif +#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(); } + // use length() + 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 @@ -698,390 +1815,1403 @@ 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() { return Truncate(Len() - 1); } + 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 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; } - - // use IsEmpty() - bool IsNull() const { return IsEmpty(); } + int First( wxUniChar ch ) const { return Find(ch); } + int First( wxUniCharRef ch ) const { return Find(ch); } + int First( char ch ) const { return Find(ch); } + int First( unsigned char ch ) const { return Find(ch); } + int First( wchar_t ch ) const { return Find(ch); } + int First( const wxString& str ) const { return Find(str); } + int Last( wxUniChar ch ) const { return Find(ch, true); } + bool Contains(const wxString& str) const { return Find(str) != wxNOT_FOUND; } + + // 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) + { assign(str, nPos, nLen); } + // take all characters from first to last + wxString(const_iterator first, const_iterator last) + : m_impl(first.impl(), last.impl()) { } +#if WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + // the 2 overloads below are for compatibility with the existing code using + // pointers instead of iterators + wxString(const char *first, const char *last) { - wxASSERT( str.GetStringData()->IsValid() ); - InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen); + SubstrBufFromMB str(ImplStr(first, last - first)); + m_impl.assign(str.data, str.len); } - // 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 = _T('\0')); - // delete the contents of the string - void clear() { Empty(); } - // returns true if the string is empty - bool empty() const { return IsEmpty(); } - - // 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 wchar_t *first, const wchar_t *last) + { + SubstrBufFromWC str(ImplStr(first, last - first)); + m_impl.assign(str.data, str.len); + } + // and this one is needed to compile code adding offsets to c_str() result + wxString(const wxCStrData& first, const wxCStrData& last) + : m_impl(CreateConstIterator(first).impl(), + CreateConstIterator(last).impl()) + { + wxASSERT_MSG( first.m_str == last.m_str, + _T("pointers must be into the same string") ); + } +#endif // WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER // 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; } + { + size_t from, len; + str.PosLenToImpl(pos, n, &from, &len); + m_impl.append(str.m_impl, from, len); + return *this; + } + // append a string + wxString& append(const wxString& str) + { m_impl.append(str.m_impl); return *this; } // 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 char *sz) + { m_impl.append(ImplStr(sz)); return *this; } + wxString& append(const wchar_t *sz) + { m_impl.append(ImplStr(sz)); return *this; } + wxString& append(const char *sz, size_t n) + { + SubstrBufFromMB str(ImplStr(sz, n)); + m_impl.append(str.data, str.len); + return *this; + } + wxString& append(const wchar_t *sz, size_t n) + { + SubstrBufFromWC str(ImplStr(sz, n)); + m_impl.append(str.data, str.len); + return *this; + } + + wxString& append(const wxCStrData& str) + { return append(str.AsString()); } + wxString& append(const wxCharBuffer& str) + { return append(str.data()); } + wxString& append(const wxWCharBuffer& str) + { return append(str.data()); } // append n copies of ch - wxString& append(size_t n, wxChar ch) { return Pad(n, ch); } + wxString& append(size_t n, wxUniChar ch) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.append(wxStringOperations::EncodeNChars(n, ch)); + else +#endif + m_impl.append(n, (wxStringCharType)ch); + return *this; + } + // append from first to last + wxString& append(const_iterator first, const_iterator last) + { m_impl.append(first.impl(), last.impl()); return *this; } +#if WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + wxString& append(const char *first, const char *last) + { return append(first, last - first); } + wxString& append(const wchar_t *first, const wchar_t *last) + { return append(first, last - first); } + wxString& append(const wxCStrData& first, const wxCStrData& last) + { return append(CreateConstIterator(first), CreateConstIterator(last)); } +#endif // WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER // same as `this_string = str' - wxString& assign(const wxString& str) { return (*this) = str; } + wxString& assign(const wxString& str) + { m_impl = str.m_impl; return *this; } + wxString& assign(const wxString& str, size_t len) + { + m_impl.assign(str.m_impl, 0, str.LenToImpl(len)); + return *this; + } // same as ` = str[pos..pos + n] wxString& assign(const wxString& str, size_t pos, size_t n) - { return *this = wxString((const wxChar *)str + pos, n); } + { + size_t from, len; + str.PosLenToImpl(pos, n, &from, &len); + m_impl.assign(str.m_impl, from, len); + return *this; + } // same as `= first n (or all if n == npos) characters of sz' - wxString& assign(const wxChar *sz, size_t n = npos) - { return *this = wxString(sz, n); } + wxString& assign(const char *sz) + { m_impl.assign(ImplStr(sz)); return *this; } + wxString& assign(const wchar_t *sz) + { m_impl.assign(ImplStr(sz)); return *this; } + wxString& assign(const char *sz, size_t n) + { + SubstrBufFromMB str(ImplStr(sz, n)); + m_impl.assign(str.data, str.len); + return *this; + } + wxString& assign(const wchar_t *sz, size_t n) + { + SubstrBufFromWC str(ImplStr(sz, n)); + m_impl.assign(str.data, str.len); + return *this; + } + + wxString& assign(const wxCStrData& str) + { return assign(str.AsString()); } + wxString& assign(const wxCharBuffer& str) + { return assign(str.data()); } + wxString& assign(const wxWCharBuffer& str) + { return assign(str.data()); } + wxString& assign(const wxCStrData& str, size_t len) + { return assign(str.AsString(), len); } + wxString& assign(const wxCharBuffer& str, size_t len) + { return assign(str.data(), len); } + wxString& assign(const wxWCharBuffer& str, size_t len) + { return assign(str.data(), len); } + // same as `= n copies of ch' - wxString& assign(size_t n, wxChar ch) - { return *this = wxString(ch, n); } + wxString& assign(size_t n, wxUniChar ch) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.assign(wxStringOperations::EncodeNChars(n, ch)); + else +#endif + m_impl.assign(n, (wxStringCharType)ch); + return *this; + } + + wxString& assign(size_t n, wxUniCharRef ch) + { return assign(n, wxUniChar(ch)); } + wxString& assign(size_t n, char ch) + { return assign(n, wxUniChar(ch)); } + wxString& assign(size_t n, unsigned char ch) + { return assign(n, wxUniChar(ch)); } + wxString& assign(size_t n, wchar_t ch) + { return assign(n, wxUniChar(ch)); } + + // assign from first to last + wxString& assign(const_iterator first, const_iterator last) + { m_impl.assign(first.impl(), last.impl()); return *this; } +#if WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + wxString& assign(const char *first, const char *last) + { return assign(first, last - first); } + wxString& assign(const wchar_t *first, const wchar_t *last) + { return assign(first, last - first); } + wxString& assign(const wxCStrData& first, const wxCStrData& last) + { return assign(CreateConstIterator(first), CreateConstIterator(last)); } +#endif // WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + + // string comparison + int compare(const wxString& str) const; + int compare(const char* sz) const; + int compare(const wchar_t* sz) const; + int compare(const wxCStrData& str) const + { return compare(str.AsString()); } + int compare(const wxCharBuffer& str) const + { return compare(str.data()); } + int compare(const wxWCharBuffer& str) const + { return compare(str.data()); } + // comparison with a substring + int compare(size_t nStart, size_t nLen, const wxString& str) const; + // comparison of 2 substrings + int compare(size_t nStart, size_t nLen, + const wxString& str, size_t nStart2, size_t nLen2) const; + // substring comparison with first nCount characters of sz + int compare(size_t nStart, size_t nLen, + const char* sz, size_t nCount = npos) const; + int compare(size_t nStart, size_t nLen, + const wchar_t* sz, size_t nCount = npos) const; // insert another string - wxString& insert(size_t nPos, const wxString& str); + wxString& insert(size_t nPos, const wxString& str) + { insert(begin() + nPos, str.begin(), str.end()); return *this; } // 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)); } - + { + size_t from, len; + str.PosLenToImpl(nStart, n, &from, &len); + m_impl.insert(PosToImpl(nPos), str.m_impl, from, len); + return *this; + } // 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 char *sz) + { m_impl.insert(PosToImpl(nPos), ImplStr(sz)); return *this; } + wxString& insert(size_t nPos, const wchar_t *sz) + { m_impl.insert(PosToImpl(nPos), ImplStr(sz)); return *this; } + wxString& insert(size_t nPos, const char *sz, size_t n) + { + SubstrBufFromMB str(ImplStr(sz, n)); + m_impl.insert(PosToImpl(nPos), str.data, str.len); + return *this; + } + wxString& insert(size_t nPos, const wchar_t *sz, size_t n) + { + SubstrBufFromWC str(ImplStr(sz, n)); + m_impl.insert(PosToImpl(nPos), str.data, str.len); + return *this; + } // 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) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.insert(PosToImpl(nPos), wxStringOperations::EncodeNChars(n, ch)); + else +#endif + m_impl.insert(PosToImpl(nPos), n, (wxStringCharType)ch); + return *this; + } + iterator insert(iterator it, wxUniChar ch) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + { + size_t pos = IterToImplPos(it); + m_impl.insert(pos, wxStringOperations::EncodeChar(ch)); + return iterator(this, m_impl.begin() + pos); + } + else +#endif + return iterator(this, m_impl.insert(it.impl(), (wxStringCharType)ch)); + } + void insert(iterator it, const_iterator first, const_iterator last) + { m_impl.insert(it.impl(), first.impl(), last.impl()); } +#if WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + void insert(iterator it, const char *first, const char *last) + { insert(it - begin(), first, last - first); } + void insert(iterator it, const wchar_t *first, const wchar_t *last) + { insert(it - begin(), first, last - first); } + void insert(iterator it, const wxCStrData& first, const wxCStrData& last) + { insert(it, CreateConstIterator(first), CreateConstIterator(last)); } +#endif // WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER + + void insert(iterator it, size_type n, wxUniChar ch) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.insert(IterToImplPos(it), wxStringOperations::EncodeNChars(n, ch)); + else +#endif + m_impl.insert(it.impl(), n, (wxStringCharType)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) + { + size_t from, len; + PosLenToImpl(pos, n, &from, &len); + m_impl.erase(from, len); + return *this; + } + // delete characters from first up to last + iterator erase(iterator first, iterator last) + { return iterator(this, m_impl.erase(first.impl(), last.impl())); } + iterator erase(iterator first) + { return iterator(this, m_impl.erase(first.impl())); } + +#ifdef wxSTRING_BASE_HASNT_CLEAR + void clear() { erase(); } +#else + void clear() { m_impl.clear(); } +#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 char* sz) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, ImplStr(sz)); + return *this; + } + wxString& replace(size_t nStart, size_t nLen, const wchar_t* sz) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, ImplStr(sz)); + return *this; + } + // replaces the substring of length nLen starting at nStart + wxString& replace(size_t nStart, size_t nLen, const wxString& str) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, str.m_impl); + return *this; + } // 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) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.replace(from, len, wxStringOperations::EncodeNChars(nCount, ch)); + else +#endif + m_impl.replace(from, len, nCount, (wxStringCharType)ch); + return *this; + } // replaces a substring with another substring wxString& replace(size_t nStart, size_t nLen, - const wxString& str, size_t nStart2, size_t nLen2); - // replaces the substring with first nCount chars of sz - wxString& replace(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount); + const wxString& str, size_t nStart2, size_t nLen2) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + + size_t from2, len2; + str.PosLenToImpl(nStart2, nLen2, &from2, &len2); + + m_impl.replace(from, len, str.m_impl, from2, len2); + return *this; + } + // replaces the substring with first nCount chars of sz + wxString& replace(size_t nStart, size_t nLen, + const char* sz, size_t nCount) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + + SubstrBufFromMB str(ImplStr(sz, nCount)); + + m_impl.replace(from, len, str.data, str.len); + return *this; + } + wxString& replace(size_t nStart, size_t nLen, + const wchar_t* sz, size_t nCount) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + + SubstrBufFromWC str(ImplStr(sz, nCount)); + + m_impl.replace(from, len, str.data, str.len); + return *this; + } + wxString& replace(size_t nStart, size_t nLen, + const wxString& s, size_t nCount) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, s.m_impl.c_str(), s.LenToImpl(nCount)); + return *this; + } - // swap two strings - void swap(wxString& str); + wxString& replace(iterator first, iterator last, const char* s) + { m_impl.replace(first.impl(), last.impl(), ImplStr(s)); return *this; } + wxString& replace(iterator first, iterator last, const wchar_t* s) + { m_impl.replace(first.impl(), last.impl(), ImplStr(s)); return *this; } + wxString& replace(iterator first, iterator last, const char* s, size_type n) + { + SubstrBufFromMB str(ImplStr(s, n)); + m_impl.replace(first.impl(), last.impl(), str.data, str.len); + return *this; + } + wxString& replace(iterator first, iterator last, const wchar_t* s, size_type n) + { + SubstrBufFromWC str(ImplStr(s, n)); + m_impl.replace(first.impl(), last.impl(), str.data, str.len); + return *this; + } + wxString& replace(iterator first, iterator last, const wxString& s) + { m_impl.replace(first.impl(), last.impl(), s.m_impl); return *this; } + wxString& replace(iterator first, iterator last, size_type n, wxUniChar ch) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.replace(first.impl(), last.impl(), + wxStringOperations::EncodeNChars(n, ch)); + else +#endif + m_impl.replace(first.impl(), last.impl(), n, (wxStringCharType)ch); + return *this; + } + wxString& replace(iterator first, iterator last, + const_iterator first1, const_iterator last1) + { + m_impl.replace(first.impl(), last.impl(), first1.impl(), last1.impl()); + return *this; + } + wxString& replace(iterator first, iterator last, + const char *first1, const char *last1) + { replace(first, last, first1, last1 - first1); return *this; } + wxString& replace(iterator first, iterator last, + const wchar_t *first1, const wchar_t *last1) + { replace(first, last, first1, last1 - first1); return *this; } - // 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. + // swap two strings + void swap(wxString& str) + { m_impl.swap(str.m_impl); } // find a substring - size_t find(const wxString& str, size_t nStart = 0) const; + size_t find(const wxString& str, size_t nStart = 0) const + { return PosFromImpl(m_impl.find(str.m_impl, PosToImpl(nStart))); } - // 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 + size_t find(const char* sz, size_t nStart = 0, size_t n = npos) const + { + SubstrBufFromMB str(ImplStr(sz, n)); + return PosFromImpl(m_impl.find(str.data, PosToImpl(nStart), str.len)); + } + size_t find(const wchar_t* sz, size_t nStart = 0, size_t n = npos) const + { + SubstrBufFromWC str(ImplStr(sz, n)); + return PosFromImpl(m_impl.find(str.data, PosToImpl(nStart), str.len)); + } + size_t find(const wxCharBuffer& s, size_t nStart = 0, size_t n = npos) const + { return find(s.data(), nStart, n); } + size_t find(const wxWCharBuffer& s, size_t nStart = 0, size_t n = npos) const + { return find(s.data(), nStart, n); } + size_t find(const wxCStrData& s, size_t nStart = 0, size_t n = npos) const + { return find(s.AsWChar(), nStart, n); } - // 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; -#endif + size_t find(wxUniChar ch, size_t nStart = 0) const + { + return PosFromImpl(m_impl.find(wxStringOperations::EncodeChar(ch), + PosToImpl(nStart))); + } + size_t find(wxUniCharRef ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + size_t find(char ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + size_t find(unsigned char ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + size_t find(wchar_t ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + // 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; + size_t rfind(const wxString& str, size_t nStart = npos) const + { return PosFromImpl(m_impl.rfind(str.m_impl, PosToImpl(nStart))); } - // 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; + size_t rfind(const char* sz, size_t nStart = npos, size_t n = npos) const + { + SubstrBufFromMB str(ImplStr(sz, n)); + return PosFromImpl(m_impl.rfind(str.data, PosToImpl(nStart), str.len)); + } + size_t rfind(const wchar_t* sz, size_t nStart = npos, size_t n = npos) const + { + SubstrBufFromWC str(ImplStr(sz, n)); + return PosFromImpl(m_impl.rfind(str.data, PosToImpl(nStart), str.len)); + } + size_t rfind(const wxCharBuffer& s, size_t nStart = npos, size_t n = npos) const + { return rfind(s.data(), nStart, n); } + size_t rfind(const wxWCharBuffer& s, size_t nStart = npos, size_t n = npos) const + { return rfind(s.data(), nStart, n); } + size_t rfind(const wxCStrData& s, size_t nStart = npos, size_t n = npos) const + { return rfind(s.AsWChar(), nStart, n); } // as find, but from the end - size_t rfind(wxChar ch, size_t nStart = npos) const; -#endif + size_t rfind(wxUniChar ch, size_t nStart = npos) const + { + return PosFromImpl(m_impl.rfind(wxStringOperations::EncodeChar(ch), + PosToImpl(nStart))); + } + size_t rfind(wxUniCharRef ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + size_t rfind(char ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + size_t rfind(unsigned char ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + size_t rfind(wchar_t ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + + // find first/last occurence of any character (not) in the set: +#if wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 + // FIXME-UTF8: this is not entirely correct, because it doesn't work if + // sizeof(wchar_t)==2 and surrogates are present in the string; + // should we care? Probably not. + size_t find_first_of(const wxString& str, size_t nStart = 0) const + { return m_impl.find_first_of(str.m_impl, nStart); } + size_t find_first_of(const char* sz, size_t nStart = 0) const + { return m_impl.find_first_of(ImplStr(sz), nStart); } + size_t find_first_of(const wchar_t* sz, size_t nStart = 0) const + { return m_impl.find_first_of(ImplStr(sz), nStart); } + size_t find_first_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_first_of(ImplStr(sz), nStart, n); } + size_t find_first_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_first_of(ImplStr(sz), nStart, n); } + size_t find_first_of(wxUniChar c, size_t nStart = 0) const + { return m_impl.find_first_of((wxChar)c, nStart); } + + size_t find_last_of(const wxString& str, size_t nStart = npos) const + { return m_impl.find_last_of(str.m_impl, nStart); } + size_t find_last_of(const char* sz, size_t nStart = npos) const + { return m_impl.find_last_of(ImplStr(sz), nStart); } + size_t find_last_of(const wchar_t* sz, size_t nStart = npos) const + { return m_impl.find_last_of(ImplStr(sz), nStart); } + size_t find_last_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_last_of(ImplStr(sz), nStart, n); } + size_t find_last_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_last_of(ImplStr(sz), nStart, n); } + size_t find_last_of(wxUniChar c, size_t nStart = npos) const + { return m_impl.find_last_of((wxChar)c, nStart); } - // find first/last occurence of any character in the set + size_t find_first_not_of(const wxString& str, size_t nStart = 0) const + { return m_impl.find_first_not_of(str.m_impl, nStart); } + size_t find_first_not_of(const char* sz, size_t nStart = 0) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart); } + size_t find_first_not_of(const wchar_t* sz, size_t nStart = 0) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart); } + size_t find_first_not_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart, n); } + size_t find_first_not_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart, n); } + size_t find_first_not_of(wxUniChar c, size_t nStart = 0) const + { return m_impl.find_first_not_of((wxChar)c, nStart); } + + size_t find_last_not_of(const wxString& str, size_t nStart = npos) const + { return m_impl.find_last_not_of(str.m_impl, nStart); } + size_t find_last_not_of(const char* sz, size_t nStart = npos) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart); } + size_t find_last_not_of(const wchar_t* sz, size_t nStart = npos) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart); } + size_t find_last_not_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart, n); } + size_t find_last_not_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart, n); } + size_t find_last_not_of(wxUniChar c, size_t nStart = npos) const + { return m_impl.find_last_not_of((wxChar)c, nStart); } +#else + // we can't use std::string implementation in UTF-8 build, because the + // character sets would be interpreted wrongly: // 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); } +#if wxUSE_UNICODE // FIXME-UTF8: temporary + { return find_first_of(str.wc_str(), nStart); } +#else + { return find_first_of(str.mb_str(), nStart); } +#endif // same as above - size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; + size_t find_first_of(const char* sz, size_t nStart = 0) const; + size_t find_first_of(const wchar_t* sz, size_t nStart = 0) const; + size_t find_first_of(const char* sz, size_t nStart, size_t n) const; + size_t find_first_of(const wchar_t* sz, size_t nStart, size_t n) const; // same as find(char, size_t) - size_t find_first_of(wxChar c, size_t nStart = 0) const + 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 wxString& str, size_t nStart = npos) const - { return find_last_of(str.c_str(), nStart); } +#if wxUSE_UNICODE // FIXME-UTF8: temporary + { return find_last_of(str.wc_str(), nStart); } +#else + { return find_last_of(str.mb_str(), nStart); } +#endif // same as above - size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; + size_t find_last_of (const char* sz, size_t nStart = npos) const; + size_t find_last_of (const wchar_t* sz, size_t nStart = npos) const; + size_t find_last_of(const char* sz, size_t nStart, size_t n) const; + size_t find_last_of(const wchar_t* sz, size_t nStart, size_t n) const; // same as above - size_t find_last_of(wxChar c, size_t nStart = npos) const + 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 wxString& str, size_t nStart = 0) const - { return find_first_not_of(str.c_str(), nStart); } +#if wxUSE_UNICODE // FIXME-UTF8: temporary + { return find_first_not_of(str.wc_str(), nStart); } +#else + { return find_first_not_of(str.mb_str(), nStart); } +#endif // same as above - size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const; + size_t find_first_not_of(const char* sz, size_t nStart = 0) const; + size_t find_first_not_of(const wchar_t* sz, size_t nStart = 0) const; + size_t find_first_not_of(const char* sz, size_t nStart, size_t n) const; + size_t find_first_not_of(const wchar_t* sz, size_t nStart, size_t n) const; // same as above - size_t find_first_not_of(wxChar ch, size_t nStart = 0) const; + size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const; // as strcspn() - size_t find_last_not_of(const wxString& str, size_t nStart=npos) const; + size_t find_last_not_of(const wxString& str, size_t nStart = npos) const +#if wxUSE_UNICODE // FIXME-UTF8: temporary + { return find_last_not_of(str.wc_str(), nStart); } +#else + { return find_last_not_of(str.mb_str(), nStart); } +#endif // same as above - size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; + size_t find_last_not_of(const char* sz, size_t nStart = npos) const; + size_t find_last_not_of(const wchar_t* sz, size_t nStart = npos) const; + size_t find_last_not_of(const char* sz, size_t nStart, size_t n) const; + size_t find_last_not_of(const wchar_t* sz, size_t nStart, size_t n) const; // same as above - size_t find_last_not_of(wxChar ch, size_t nStart = npos) const; + size_t find_last_not_of(wxUniChar ch, size_t nStart = npos) const; +#endif // wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 or not + + // provide char/wchar_t/wxUniCharRef overloads for char-finding functions + // above to resolve ambiguities: + size_t find_first_of(wxUniCharRef ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_first_of(char ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_first_of(unsigned char ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_first_of(wchar_t ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_last_of(wxUniCharRef ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_last_of(char ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_last_of(unsigned char ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_last_of(wchar_t ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(wxUniCharRef ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(char ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(unsigned char ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(wchar_t ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(wxUniCharRef ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(char ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(unsigned char ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(wchar_t ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + + // and additional overloads for the versions taking strings: + size_t find_first_of(const wxCStrData& sz, size_t nStart = 0) const + { return find_first_of(sz.AsString(), nStart); } + size_t find_first_of(const wxCharBuffer& sz, size_t nStart = 0) const + { return find_first_of(sz.data(), nStart); } + size_t find_first_of(const wxWCharBuffer& sz, size_t nStart = 0) const + { return find_first_of(sz.data(), nStart); } + size_t find_first_of(const wxCStrData& sz, size_t nStart, size_t n) const + { return find_first_of(sz.AsWChar(), nStart, n); } + size_t find_first_of(const wxCharBuffer& sz, size_t nStart, size_t n) const + { return find_first_of(sz.data(), nStart, n); } + size_t find_first_of(const wxWCharBuffer& sz, size_t nStart, size_t n) const + { return find_first_of(sz.data(), nStart, n); } + + size_t find_last_of(const wxCStrData& sz, size_t nStart = 0) const + { return find_last_of(sz.AsString(), nStart); } + size_t find_last_of(const wxCharBuffer& sz, size_t nStart = 0) const + { return find_last_of(sz.data(), nStart); } + size_t find_last_of(const wxWCharBuffer& sz, size_t nStart = 0) const + { return find_last_of(sz.data(), nStart); } + size_t find_last_of(const wxCStrData& sz, size_t nStart, size_t n) const + { return find_last_of(sz.AsWChar(), nStart, n); } + size_t find_last_of(const wxCharBuffer& sz, size_t nStart, size_t n) const + { return find_last_of(sz.data(), nStart, n); } + size_t find_last_of(const wxWCharBuffer& sz, size_t nStart, size_t n) const + { return find_last_of(sz.data(), nStart, n); } + + size_t find_first_not_of(const wxCStrData& sz, size_t nStart = 0) const + { return find_first_not_of(sz.AsString(), nStart); } + size_t find_first_not_of(const wxCharBuffer& sz, size_t nStart = 0) const + { return find_first_not_of(sz.data(), nStart); } + size_t find_first_not_of(const wxWCharBuffer& sz, size_t nStart = 0) const + { return find_first_not_of(sz.data(), nStart); } + size_t find_first_not_of(const wxCStrData& sz, size_t nStart, size_t n) const + { return find_first_not_of(sz.AsWChar(), nStart, n); } + size_t find_first_not_of(const wxCharBuffer& sz, size_t nStart, size_t n) const + { return find_first_not_of(sz.data(), nStart, n); } + size_t find_first_not_of(const wxWCharBuffer& sz, size_t nStart, size_t n) const + { return find_first_not_of(sz.data(), nStart, n); } + + size_t find_last_not_of(const wxCStrData& sz, size_t nStart = 0) const + { return find_last_not_of(sz.AsString(), nStart); } + size_t find_last_not_of(const wxCharBuffer& sz, size_t nStart = 0) const + { return find_last_not_of(sz.data(), nStart); } + size_t find_last_not_of(const wxWCharBuffer& sz, size_t nStart = 0) const + { return find_last_not_of(sz.data(), nStart); } + size_t find_last_not_of(const wxCStrData& sz, size_t nStart, size_t n) const + { return find_last_not_of(sz.AsWChar(), nStart, n); } + size_t find_last_not_of(const wxCharBuffer& sz, size_t nStart, size_t n) const + { return find_last_not_of(sz.data(), nStart, n); } + size_t find_last_not_of(const wxWCharBuffer& sz, size_t nStart, size_t n) const + { return find_last_not_of(sz.data(), nStart, n); } - // All compare functions return -1, 0 or 1 if the [sub]string is less, - // equal or greater than the compare() argument. + // string += string + wxString& operator+=(const wxString& s) + { m_impl += s.m_impl; return *this; } + // string += C string + wxString& operator+=(const char *psz) + { m_impl += ImplStr(psz); return *this; } + wxString& operator+=(const wchar_t *pwz) + { m_impl += ImplStr(pwz); return *this; } + wxString& operator+=(const wxCStrData& s) + { m_impl += s.AsString().m_impl; return *this; } + wxString& operator+=(const wxCharBuffer& s) + { return operator+=(s.data()); } + wxString& operator+=(const wxWCharBuffer& s) + { return operator+=(s.data()); } + // string += char + wxString& operator+=(wxUniChar ch) + { m_impl += wxStringOperations::EncodeChar(ch); return *this; } + wxString& operator+=(wxUniCharRef ch) { return *this += wxUniChar(ch); } + wxString& operator+=(int ch) { return *this += wxUniChar(ch); } + wxString& operator+=(char ch) { return *this += wxUniChar(ch); } + wxString& operator+=(unsigned char ch) { return *this += wxUniChar(ch); } + wxString& operator+=(wchar_t ch) { return *this += wxUniChar(ch); } - // 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; - // comparison of 2 substrings - int compare(size_t nStart, size_t nLen, - const wxString& str, size_t nStart2, size_t nLen2) const; - // 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; +private: +#if !wxUSE_STL_BASED_WXSTRING + // helpers for wxStringBuffer and wxStringBufferLength + wxStringCharType *DoGetWriteBuf(size_t nLen) + { return m_impl.DoGetWriteBuf(nLen); } + void DoUngetWriteBuf() + { m_impl.DoUngetWriteBuf(); } + void DoUngetWriteBuf(size_t nLen) + { m_impl.DoUngetWriteBuf(nLen); } +#endif // !wxUSE_STL_BASED_WXSTRING + +#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN + #if !wxUSE_UTF8_LOCALE_ONLY + int DoPrintfWchar(const wxChar *format, ...); + static wxString DoFormatWchar(const wxChar *format, ...); + #endif + #if wxUSE_UNICODE_UTF8 + int DoPrintfUtf8(const char *format, ...); + static wxString DoFormatUtf8(const char *format, ...); + #endif +#endif + +#if !wxUSE_STL_BASED_WXSTRING + // check string's data validity + bool IsValid() const { return m_impl.GetStringData()->IsValid(); } +#endif - // substring extraction - wxString substr(size_t nStart = 0, size_t nLen = npos) const; -#endif // wxSTD_STRING_COMPATIBILITY +private: + wxStringImpl m_impl; + +#ifdef __VISUALC__ + // "struct 'ConvertedBuffer' needs to have dll-interface to be used by + // clients of class 'wxString'" - this is private, we don't care + #pragma warning (disable:4251) +#endif + + // buffers for compatibility conversion from (char*)c_str() and + // (wchar_t*)c_str(): + // FIXME-UTF8: bechmark various approaches to keeping compatibility buffers + template + struct ConvertedBuffer + { + ConvertedBuffer() : m_buf(NULL) {} + ~ConvertedBuffer() + { free(m_buf); } + + operator T*() const { return m_buf; } + + ConvertedBuffer& operator=(T *str) + { + free(m_buf); + m_buf = str; + return *this; + } + + T *m_buf; + }; +#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY + ConvertedBuffer m_convertedToChar; +#endif +#if !wxUSE_UNICODE_WCHAR + ConvertedBuffer m_convertedToWChar; +#endif + +#ifdef __VISUALC__ + #pragma warning (default:4251) +#endif + +#if wxUSE_UNICODE_UTF8 + // FIXME-UTF8: (try to) move this elsewhere (TLS) or solve differently + // assigning to character pointer to by wxString::interator may + // change the underlying wxStringImpl iterator, so we have to + // keep track of all iterators and update them as necessary: + struct wxStringIteratorNodeHead + { + wxStringIteratorNodeHead() : ptr(NULL) {} + wxStringIteratorNode *ptr; + + // copying is disallowed as it would result in more than one pointer into + // the same linked list + DECLARE_NO_COPY_CLASS(wxStringIteratorNodeHead) + }; + + wxStringIteratorNodeHead m_iterators; + + friend class WXDLLIMPEXP_FWD_BASE wxStringIteratorNode; + friend class WXDLLIMPEXP_FWD_BASE wxUniCharRef; +#endif // wxUSE_UNICODE_UTF8 + + friend class WXDLLIMPEXP_FWD_BASE wxCStrData; + friend class wxStringInternalBuffer; + friend class wxStringInternalBufferLength; }; +#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN + #pragma warning (default:4275) +#endif + +// string iterator operators that satisfy STL Random Access Iterator +// requirements: +inline wxString::iterator operator+(int n, wxString::iterator i) + { return i + n; } +inline wxString::iterator operator+(size_t n, wxString::iterator i) + { return i + n; } +inline wxString::const_iterator operator+(int n, wxString::const_iterator i) + { return i + n; } +inline wxString::const_iterator operator+(size_t n, wxString::const_iterator i) + { return i + n; } +inline wxString::reverse_iterator operator+(int n, wxString::reverse_iterator i) + { return i + n; } +inline wxString::reverse_iterator operator+(size_t n, wxString::reverse_iterator i) + { return i + n; } +inline wxString::const_reverse_iterator operator+(int n, wxString::const_reverse_iterator i) + { return i + n; } +inline wxString::const_reverse_iterator operator+(size_t n, wxString::const_reverse_iterator i) + { return i + n; } + +// 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 char *psz); +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wchar_t *pwz); +wxString WXDLLIMPEXP_BASE operator+(const char *psz, const wxString& string); +wxString WXDLLIMPEXP_BASE operator+(const wchar_t *pwz, 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; } + + +#define wxGetEmptyString() wxString() + // ---------------------------------------------------------------------------- -// The string array uses it's knowledge of internal structure of the wxString -// class to optimize string storage. Normally, we would store pointers to -// string, but as wxString is, in fact, itself a pointer (sizeof(wxString) is -// sizeof(char *)) we store these pointers instead. The cast to "wxString *" is -// really all we need to turn such pointer into a string! -// -// Of course, it can be called a dirty hack, but we use twice less memory and -// this approach is also more speed efficient, so it's probably worth it. -// -// Usage notes: when a string is added/inserted, a new copy of it is created, -// so the original string may be safely deleted. When a string is retrieved -// from the array (operator[] or Item() method), a reference is returned. +// wxStringBuffer: a tiny class allowing to get a writable pointer into string // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxArrayString + +#if !wxUSE_STL_BASED_WXSTRING +// string buffer for direct access to string data in their native +// representation: +class wxStringInternalBuffer { public: - // type of function used by wxArrayString::Sort() - typedef int (*CompareFunction)(const wxString& first, - const wxString& second); + typedef wxStringCharType CharType; - // constructors and destructor - // default ctor - wxArrayString(); - // copy ctor - wxArrayString(const wxArrayString& array); - // assignment operator - wxArrayString& operator=(const wxArrayString& src); - // not virtual, this class should not be derived from - ~wxArrayString(); - - // memory management - // empties the list, but doesn't release memory - void Empty(); - // empties the list and releases memory - void Clear(); - // preallocates memory for given number of items - void Alloc(size_t nCount); - // minimzes the memory usage (by freeing all extra memory) - void Shrink(); - - // simple accessors - // number of elements in the array - size_t GetCount() const { return m_nCount; } - // is it empty? - bool IsEmpty() const { return m_nCount == 0; } - // number of elements in the array (GetCount is preferred API) - size_t Count() const { return m_nCount; } - - // items access (range checking is done in debug version) - // get item at position uiIndex - wxString& Item(size_t nIndex) const - { wxASSERT( nIndex < m_nCount ); return *(wxString *)&(m_pItems[nIndex]); } - // same as Item() - wxString& operator[](size_t nIndex) const { return Item(nIndex); } - // get last item - wxString& Last() const { wxASSERT( !IsEmpty() ); return Item(Count() - 1); } - - // item management - // Search the element in the array, starting from the beginning if - // bFromEnd is FALSE or from end otherwise. If bCase, comparison is case - // sensitive (default). Returns index of the first item matched or - // wxNOT_FOUND - int Index (const wxChar *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const; - // add new element at the end - void Add(const wxString& str); - // add new element at given position - void Insert(const wxString& str, size_t uiIndex); - // remove first item matching this value - void Remove(const wxChar *sz); - // remove item by index - void Remove(size_t nIndex); - - // sorting - // sort array elements in alphabetical order (or reversed alphabetical - // order if reverseOrder parameter is TRUE) - void Sort(bool reverseOrder = FALSE); - // sort array elements using specified comparaison function - void Sort(CompareFunction compareFunction); + wxStringInternalBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL) + { m_buf = m_str.DoGetWriteBuf(lenWanted); } + + ~wxStringInternalBuffer() { m_str.DoUngetWriteBuf(); } + + operator wxStringCharType*() const { return m_buf; } + +private: + wxString& m_str; + wxStringCharType *m_buf; + + DECLARE_NO_COPY_CLASS(wxStringInternalBuffer) +}; + +class wxStringInternalBufferLength +{ +public: + typedef wxStringCharType CharType; + + wxStringInternalBufferLength(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); + } + + ~wxStringInternalBufferLength() + { + wxASSERT(m_lenSet); + m_str.DoUngetWriteBuf(m_len); + } + + operator wxStringCharType*() const { return m_buf; } + void SetLength(size_t length) { m_len = length; m_lenSet = true; } private: - void Grow(); // makes array bigger if needed - void Free(); // free the string stored + wxString& m_str; + wxStringCharType *m_buf; + size_t m_len; + bool m_lenSet; + + DECLARE_NO_COPY_CLASS(wxStringInternalBufferLength) +}; + +#endif // !wxUSE_STL_BASED_WXSTRING + +template +class WXDLLIMPEXP_BASE wxStringTypeBufferBase +{ +public: + typedef T CharType; + + wxStringTypeBufferBase(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted) + { } + + + operator CharType*() { return m_buf.data(); } + +protected: + wxString& m_str; + wxCharTypeBuffer m_buf; +}; + +template +class WXDLLIMPEXP_BASE wxStringTypeBufferLengthBase +{ +public: + typedef T CharType; + + wxStringTypeBufferLengthBase(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false) + { } + + operator CharType*() { return m_buf.data(); } + void SetLength(size_t length) { m_len = length; m_lenSet = true; } + +protected: + wxString& m_str; + wxCharTypeBuffer m_buf; + size_t m_len; + bool m_lenSet; +}; + +template +class wxStringTypeBuffer : public wxStringTypeBufferBase +{ +public: + wxStringTypeBuffer(wxString& str, size_t lenWanted = 1024) + : wxStringTypeBufferBase(str, lenWanted) {} + ~wxStringTypeBuffer() + { + this->m_str.assign(this->m_buf.data()); + } + + DECLARE_NO_COPY_CLASS(wxStringTypeBuffer) +}; + +template +class wxStringTypeBufferLength : public wxStringTypeBufferLengthBase +{ +public: + wxStringTypeBufferLength(wxString& str, size_t lenWanted = 1024) + : wxStringTypeBufferLengthBase(str, lenWanted) {} + + ~wxStringTypeBufferLength() + { + wxASSERT(this->m_lenSet); + this->m_str.assign(this->m_buf.data(), this->m_len); + } + + DECLARE_NO_COPY_CLASS(wxStringTypeBufferLength) +}; + +#if wxUSE_STL_BASED_WXSTRING + +WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxStringTypeBufferBase ) + +class wxStringInternalBuffer : public wxStringTypeBufferBase +{ +public: + wxStringInternalBuffer(wxString& str, size_t lenWanted = 1024) + : wxStringTypeBufferBase(str, lenWanted) {} + ~wxStringInternalBuffer() + { m_str.m_impl.assign(m_buf.data()); } + + DECLARE_NO_COPY_CLASS(wxStringInternalBuffer) +}; + +WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( + wxStringTypeBufferLengthBase ) + +class wxStringInternalBufferLength + : public wxStringTypeBufferLengthBase +{ +public: + wxStringInternalBufferLength(wxString& str, size_t lenWanted = 1024) + : wxStringTypeBufferLengthBase(str, lenWanted) {} + + ~wxStringInternalBufferLength() + { + wxASSERT(m_lenSet); + m_str.m_impl.assign(m_buf.data(), m_len); + } + + DECLARE_NO_COPY_CLASS(wxStringInternalBufferLength) +}; +#endif // wxUSE_STL_BASED_WXSTRING + - void DoSort(); // common part of all Sort() variants +#if wxUSE_STL_BASED_WXSTRING || wxUSE_UNICODE_UTF8 +typedef wxStringTypeBuffer wxStringBuffer; +typedef wxStringTypeBufferLength wxStringBufferLength; +#else // if !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 +typedef wxStringInternalBuffer wxStringBuffer; +typedef wxStringInternalBufferLength wxStringBufferLength; +#endif // !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 - size_t m_nSize, // current size of the array - m_nCount; // current number of elements +#if wxUSE_UNICODE_UTF8 +typedef wxStringInternalBuffer wxUTF8StringBuffer; +typedef wxStringInternalBufferLength wxUTF8StringBufferLength; +#elif wxUSE_UNICODE_WCHAR - wxChar **m_pItems; // pointer to data +WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxStringTypeBufferBase ) + +class WXDLLIMPEXP_BASE wxUTF8StringBuffer : public wxStringTypeBufferBase +{ +public: + wxUTF8StringBuffer(wxString& str, size_t lenWanted = 1024) + : wxStringTypeBufferBase(str, lenWanted) {} + ~wxUTF8StringBuffer(); + + DECLARE_NO_COPY_CLASS(wxUTF8StringBuffer) }; +WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxStringTypeBufferLengthBase ) + +class WXDLLIMPEXP_BASE wxUTF8StringBufferLength + : public wxStringTypeBufferLengthBase +{ +public: + wxUTF8StringBufferLength(wxString& str, size_t lenWanted = 1024) + : wxStringTypeBufferLengthBase(str, lenWanted) {} + ~wxUTF8StringBufferLength(); + + DECLARE_NO_COPY_CLASS(wxUTF8StringBufferLength) +}; +#endif // wxUSE_UNICODE_UTF8/wxUSE_UNICODE_WCHAR + + // --------------------------------------------------------------------------- // wxString comparison functions: operator versions are always case sensitive // --------------------------------------------------------------------------- -// -inline bool operator==(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) == 0); } -// -inline bool operator!=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) != 0); } -// -inline bool operator< (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) > 0); } -// -inline bool operator> (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) < 0); } -// -inline bool operator<=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) >= 0); } -// -inline bool operator>=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); } - -// 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); } +#define wxCMP_WXCHAR_STRING(p, s, op) 0 op s.Cmp(p) + +wxDEFINE_ALL_COMPARISONS(const wxChar *, const wxString&, wxCMP_WXCHAR_STRING) + +#undef wxCMP_WXCHAR_STRING + +// note that there is an optimization in operator==() and !=(): we (quickly) +// checks the strings length first, before comparing their data +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 wxString& s2) + { return (s1.Len() != s2.Len()) || (s1.Cmp(s2) != 0); } +inline bool operator< (const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) < 0; } +inline bool operator> (const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) > 0; } +inline bool operator<=(const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) <= 0; } +inline bool operator>=(const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) >= 0; } + +inline bool operator==(const wxString& s1, const wxCStrData& s2) + { return s1 == s2.AsString(); } +inline bool operator==(const wxCStrData& s1, const wxString& s2) + { return s1.AsString() == s2; } +inline bool operator!=(const wxString& s1, const wxCStrData& s2) + { return s1 != s2.AsString(); } +inline bool operator!=(const wxCStrData& s1, const wxString& s2) + { return s1.AsString() != s2; } -#if wxUSE_UNICODE inline bool operator==(const wxString& s1, const wxWCharBuffer& s2) { return (s1.Cmp((const wchar_t *)s2) == 0); } inline bool operator==(const wxWCharBuffer& s1, const wxString& s2) { return (s2.Cmp((const wchar_t *)s1) == 0); } -#else +inline bool operator!=(const wxString& s1, const wxWCharBuffer& s2) + { return (s1.Cmp((const wchar_t *)s2) != 0); } +inline bool operator!=(const wxWCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const wchar_t *)s1) != 0); } + inline bool operator==(const wxString& s1, const wxCharBuffer& s2) { return (s1.Cmp((const char *)s2) == 0); } inline bool operator==(const wxCharBuffer& s1, const wxString& s2) { return (s2.Cmp((const char *)s1) == 0); } -#endif +inline bool operator!=(const wxString& s1, const wxCharBuffer& s2) + { return (s1.Cmp((const char *)s2) != 0); } +inline bool operator!=(const wxCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const char *)s1) != 0); } + +inline wxString operator+(const wxString& string, const wxWCharBuffer& buf) + { return string + (const wchar_t *)buf; } +inline wxString operator+(const wxWCharBuffer& buf, const wxString& string) + { return (const wchar_t *)buf + string; } + +inline wxString operator+(const wxString& string, const wxCharBuffer& buf) + { return string + (const char *)buf; } +inline wxString operator+(const wxCharBuffer& buf, const wxString& string) + { return (const char *)buf + string; } -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); +// comparison with char +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 wxString WXDLLEXPORT operator+(const wxString& string, const wxWCharBuffer& buf) -{ return string + (const wchar_t *)buf; } -inline wxString WXDLLEXPORT operator+(const wxWCharBuffer& buf, const wxString& string) -{ return (const wchar_t *)buf + string; } -#else -inline wxString WXDLLEXPORT operator+(const wxString& string, const wxCharBuffer& buf) -{ return string + (const char *)buf; } -inline wxString WXDLLEXPORT operator+(const wxCharBuffer& buf, const wxString& string) -{ return (const char *)buf + string; } -#endif + +#define wxCMP_CHAR_STRING(p, s, op) wxString(p) op s + +wxDEFINE_ALL_COMPARISONS(const char *, const wxString&, wxCMP_CHAR_STRING) + +#undef wxCMP_CHAR_STRING + +#endif // wxUSE_UNICODE + +// we also need to provide the operators for comparison with wxCStrData to +// resolve ambiguity between operator(const wxChar *,const wxString &) and +// operator(const wxChar *, const wxChar *) for "p == s.c_str()" +// +// notice that these are (shallow) pointer comparisons, not (deep) string ones +#define wxCMP_CHAR_CSTRDATA(p, s, op) p op s.AsChar() +#define wxCMP_WCHAR_CSTRDATA(p, s, op) p op s.AsWChar() + +wxDEFINE_ALL_COMPARISONS(const wchar_t *, const wxCStrData&, wxCMP_WCHAR_CSTRDATA) +wxDEFINE_ALL_COMPARISONS(const char *, const wxCStrData&, wxCMP_CHAR_CSTRDATA) + +#undef wxCMP_CHAR_CSTRDATA +#undef wxCMP_WCHAR_CSTRDATA // --------------------------------------------------------------------------- // Implementation only from here until the end of file // --------------------------------------------------------------------------- -#ifdef wxSTD_STRING_COMPATIBILITY +#if wxUSE_STD_IOSTREAM + +#include "wx/iosfwrap.h" + +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCStrData&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCharBuffer&); +#ifndef __BORLANDC__ +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxWCharBuffer&); +#endif + +#if wxUSE_UNICODE && defined(HAVE_WOSTREAM) + +WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxString&); +WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxCStrData&); +WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxWCharBuffer&); + +#endif // wxUSE_UNICODE && defined(HAVE_WOSTREAM) + +#endif // wxUSE_STD_IOSTREAM + +// --------------------------------------------------------------------------- +// 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(const wxCStrData& data) + : m_str(data.m_owned ? new wxString(*data.m_str) : data.m_str), + m_offset(data.m_offset), + m_owned(data.m_owned) +{ +} + +inline wxCStrData::~wxCStrData() +{ + if ( m_owned ) + delete wx_const_cast(wxString*, m_str); // cast to silence warnings +} -#include "wx/ioswrap.h" +// simple cases for AsChar() and AsWChar(), the complicated ones are +// in string.cpp +#if wxUSE_UNICODE_WCHAR +inline const wchar_t* wxCStrData::AsWChar() const +{ + return m_str->wx_str() + m_offset; +} +#endif // wxUSE_UNICODE_WCHAR -WXDLLEXPORT istream& operator>>(istream& is, wxString& str); +#if !wxUSE_UNICODE +inline const char* wxCStrData::AsChar() const +{ + return m_str->wx_str() + m_offset; +} +#endif // !wxUSE_UNICODE -#endif // wxSTD_STRING_COMPATIBILITY +#if wxUSE_UTF8_LOCALE_ONLY +inline const char* wxCStrData::AsChar() const +{ + return wxStringOperations::AddToIter(m_str->wx_str(), m_offset); +} +#endif // wxUSE_UTF8_LOCALE_ONLY + +inline const wxCharBuffer wxCStrData::AsCharBuf() const +{ +#if !wxUSE_UNICODE + return wxCharBuffer::CreateNonOwned(AsChar()); +#else + return AsString().mb_str(); +#endif +} + +inline const wxWCharBuffer wxCStrData::AsWCharBuf() const +{ +#if wxUSE_UNICODE_WCHAR + return wxWCharBuffer::CreateNonOwned(AsWChar()); +#else + return AsString().wc_str(); +#endif +} + +inline wxString wxCStrData::AsString() const +{ + if ( m_offset == 0 ) + return *m_str; + else + return m_str->Mid(m_offset); +} + +inline const wxStringCharType *wxCStrData::AsInternal() const +{ +#if wxUSE_UNICODE_UTF8 + return wxStringOperations::AddToIter(m_str->wx_str(), m_offset); +#else + return m_str->wx_str() + m_offset; +#endif +} + +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 +{ + // NB: we intentionally use operator[] and not at() here because the former + // works for the terminating NUL while the latter does not + return (*m_str)[m_offset + n]; +} + +// ---------------------------------------------------------------------------- +// more wxCStrData operators +// ---------------------------------------------------------------------------- + +// we need to define those to allow "size_t pos = p - s.c_str()" where p is +// some pointer into the string +inline size_t operator-(const char *p, const wxCStrData& cs) +{ + return p - cs.AsChar(); +} + +inline size_t operator-(const wchar_t *p, const wxCStrData& cs) +{ + return p - cs.AsWChar(); +} + +// ---------------------------------------------------------------------------- +// implementation of wx[W]CharBuffer inline methods using wxCStrData +// ---------------------------------------------------------------------------- + +// FIXME-UTF8: move this to buffer.h +inline wxCharBuffer::wxCharBuffer(const wxCStrData& cstr) + : wxCharTypeBufferBase(cstr.AsCharBuf()) +{ +} + +inline wxWCharBuffer::wxWCharBuffer(const wxCStrData& cstr) + : wxCharTypeBufferBase(cstr.AsWCharBuf()) +{ +} + +#if wxUSE_UNICODE_UTF8 +// ---------------------------------------------------------------------------- +// implementation of wxStringIteratorNode inline methods +// ---------------------------------------------------------------------------- + +void wxStringIteratorNode::DoSet(const wxString *str, + wxStringImpl::const_iterator *citer, + wxStringImpl::iterator *iter) +{ + m_prev = NULL; + m_iter = iter; + m_citer = citer; + m_str = str; + if ( str ) + { + m_next = str->m_iterators.ptr; + wx_const_cast(wxString*, m_str)->m_iterators.ptr = this; + if ( m_next ) + m_next->m_prev = this; + } + else + { + m_next = NULL; + } +} + +void wxStringIteratorNode::clear() +{ + if ( m_next ) + m_next->m_prev = m_prev; + if ( m_prev ) + m_prev->m_next = m_next; + else if ( m_str ) // first in the list + wx_const_cast(wxString*, m_str)->m_iterators.ptr = m_next; + + m_next = m_prev = NULL; + m_citer = NULL; + m_iter = NULL; + m_str = NULL; +} +#endif // wxUSE_UNICODE_UTF8 + +#if WXWIN_COMPATIBILITY_2_8 + // lot of code out there doesn't explicitly include wx/crt.h, but uses + // CRT wrappers that are now declared in wx/wxcrt.h and wx/wxcrtvararg.h, + // so let's include this header now that wxString is defined and it's safe + // to do it: + #include "wx/crt.h" +#endif -#endif // _WX_WXSTRINGH__ +#endif // _WX_WXSTRING_H_