X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dcf924a345ea8ffbc1cf6b40b5f75c6005e504c0..28e5e577e4d26332a7ebdf7d1dc7492807fa1601:/include/wx/string.h diff --git a/include/wx/string.h b/include/wx/string.h index 2f25942e18..45e8aa0384 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -6,94 +6,119 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// +/* + Efficient string class [more or less] compatible with MFC CString, + wxWindows version 1 wxString and std::string and some handy functions + missing from string.h. +*/ + #ifndef _WX_WXSTRINGH__ #define _WX_WXSTRINGH__ -#ifdef __GNUG__ -#pragma interface "string.h" +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma interface "string.h" #endif -#ifdef __WXMAC__ +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#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 #include // for strcasecmp() -#endif // AIX +#endif // HAVE_STRINGS_H -#ifndef WX_PRECOMP - #include "wx/defs.h" - - #ifdef WXSTRING_IS_WXOBJECT - #include "wx/object.h" - #endif -#endif // !PCH - -#include "wx/debug.h" -#include "wx/wxchar.h" -#include "wx/buffer.h" - -/* - Efficient string class [more or less] compatible with MFC CString, - wxWindows version 1 wxString and std::string and some handy functions - missing from string.h. -*/ +#include "wx/wxchar.h" // for wxChar +#include "wx/buffer.h" // for wxCharBuffer +#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes // --------------------------------------------------------------------------- // macros // --------------------------------------------------------------------------- -// compile the std::string compatibility functions if defined -#define wxSTD_STRING_COMPATIBILITY +// casts [unfortunately!] needed to call some broken functions which require +// "char *" instead of "const char *" +#define WXSTRINGCAST (wxChar *)(const wxChar *) +#define wxCSTRINGCAST (wxChar *)(const wxChar *) +#define wxMBSTRINGCAST (char *)(const char *) +#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *) -// define to derive wxString from wxObject -#ifdef WXSTRING_IS_WXOBJECT -#undef WXSTRING_IS_WXOBJECT -#endif +// implementation only +#define wxASSERT_VALID_INDEX(i) \ + wxASSERT_MSG( (size_t)(i) <= length(), _T("invalid index in wxString") ) + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- +#if defined(__VISAGECPP__) && __IBMCPP__ >= 400 +// must define this static for VA or else you get multiply defined symbols everywhere +extern const unsigned int wxSTRING_MAXLEN; + +#else // maximum possible length for a string means "take all string" everywhere -// (as sizeof(StringData) is unknown here we substract 100) +// (as sizeof(StringData) is unknown here, we substract 100) const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100; -// 'naughty' cast -#define WXSTRINGCAST (wxChar *)(const wxChar *) -#define WXCSTRINGCAST (wxChar *)(const wxChar *) -#define MBSTRINGCAST (char *)(const char *) -#define WCSTRINGCAST (wchar_t *)(const wchar_t *) +#endif -// implementation only -#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() ) +// ---------------------------------------------------------------------------- +// global data +// ---------------------------------------------------------------------------- + +// global pointer to empty string +extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxEmptyString; // --------------------------------------------------------------------------- -// Global functions complementing standard C string library replacements for +// global functions complementing standard C string library replacements for // strlen() and portable strcasecmp() //--------------------------------------------------------------------------- -// USE wx* FUNCTIONS IN wx/wxchar.h INSTEAD - THIS IS ONLY FOR BINARY COMPATIBILITY + +// Use wxXXX() functions from wxchar.h instead! These functions are for +// backwards compatibility only. // checks whether the passed in pointer is NULL and if the string is empty -inline bool WXDLLEXPORT IsEmpty(const char *p) { return (!p || !*p); } +inline bool IsEmpty(const char *p) { return (!p || !*p); } // safe version of strlen() (returns 0 if passed NULL pointer) -inline size_t WXDLLEXPORT Strlen(const char *psz) +inline size_t Strlen(const char *psz) { return psz ? strlen(psz) : 0; } // portable strcasecmp/_stricmp -inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) +inline int Stricmp(const char *psz1, const char *psz2) { -#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) ) +#if defined(__VISUALC__) && defined(__WXWINCE__) + register char c1, c2; + do { + c1 = tolower(*psz1++); + c2 = tolower(*psz2++); + } while ( c1 && (c1 == c2) ); + + return c1 - c2; +#elif defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) ) return _stricmp(psz1, psz2); #elif defined(__SC__) return _stricmp(psz1, psz2); @@ -103,8 +128,12 @@ 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(__WXPM__) + return stricmp(psz1, psz2); #elif defined(__UNIX__) || defined(__GNUWIN32__) return strcasecmp(psz1, psz2); #elif defined(__MWERKS__) && !defined(__INTEL__) @@ -133,24 +162,43 @@ inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) #endif // OS/compiler } -// ---------------------------------------------------------------------------- -// global data -// ---------------------------------------------------------------------------- +// return an empty wxString +class WXDLLIMPEXP_BASE wxString; // not yet defined +inline const wxString& wxGetEmptyString() { return *(wxString *)&wxEmptyString; } -WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; +#if wxUSE_STL -// global pointer to empty string -WXDLLEXPORT_DATA(extern const wxChar*) g_szNul; +#include "wx/beforestd.h" +#include +#include "wx/afterstd.h" -// return an empty wxString -class WXDLLEXPORT wxString; // not yet defined -inline const wxString& wxGetEmptyString() { return *(wxString *)&g_szNul; } +#if wxUSE_UNICODE + #ifdef HAVE_STD_WSTRING + typedef std::wstring wxStringBase; + #else + typedef std::basic_string wxStringBase; + #endif +#else + typedef std::string wxStringBase; +#endif + +#if (defined(__GNUG__) && (__GNUG__ < 3)) || \ + (defined(_MSC_VER) && (_MSC_VER <= 1100)) + #define wxSTRING_BASE_HASNT_CLEAR +#endif + +#else // if !wxUSE_STL + +#ifndef HAVE_STD_STRING_COMPARE + #define HAVE_STD_STRING_COMPARE +#endif // --------------------------------------------------------------------------- // string data prepended with some housekeeping info (used by wxString class), // is never used directly (but had to be put here to allow inlining) // --------------------------------------------------------------------------- -struct WXDLLEXPORT wxStringData + +struct WXDLLIMPEXP_BASE wxStringData { int nRefs; // reference count size_t nDataLength, // actual string length @@ -165,7 +213,20 @@ struct WXDLLEXPORT wxStringData // lock/unlock void Lock() { if ( !IsEmpty() ) nRefs++; } + + // VC++ will refuse to inline Unlock but profiling shows that it is wrong +#if defined(__VISUALC__) && (__VISUALC__ >= 1200) + __forceinline +#endif + // VC++ free must take place in same DLL as allocation when using non dll + // run-time library (e.g. Multithreaded instead of Multithreaded DLL) +#if defined(__VISUALC__) && defined(_MT) && !defined(_DLL) + void Unlock() { if ( !IsEmpty() && --nRefs == 0) Free(); } + // we must not inline deallocation since allocation is not inlined + void Free(); +#else void Unlock() { if ( !IsEmpty() && --nRefs == 0) free(this); } +#endif // if we had taken control over string memory (GetWriteBuf), it's // intentionally put in invalid state @@ -173,93 +234,360 @@ struct WXDLLEXPORT wxStringData bool IsValid() const { return (nRefs != 0); } }; -// --------------------------------------------------------------------------- -// types of multibyte<->Unicode conversions -// --------------------------------------------------------------------------- -#if wxUSE_WCHAR_T -class WXDLLEXPORT wxMBConv +class WXDLLIMPEXP_BASE wxStringBase { - 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); } +#if !wxUSE_STL +friend class WXDLLIMPEXP_BASE wxArrayString; #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; \ -} +public : + // an 'invalid' value for string index, moved to this place due to a CW bug + static const size_t npos; +protected: + // points to data preceded by wxStringData structure with ref count info + wxChar *m_pchData; -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; -#endif + // accessor to string data + wxStringData* GetStringData() const { return (wxStringData*)m_pchData - 1; } -class wxCharacterSet; -class WXDLLEXPORT wxCSConv : public wxMBConv -{ - 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; -}; + // 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 *)wxEmptyString; } + // initializaes the string with (a part of) C-string + void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = npos); + // as Init, but also frees old data + void Reinit() { GetStringData()->Unlock(); Init(); } -WXDLLEXPORT_DATA(extern wxCSConv) wxConvLocal; -#define wxConv_local wxConvLocal + // memory allocation + // allocates memory for string of length nLen + bool AllocBuffer(size_t nLen); + // copies data to another string + bool AllocCopy(wxString&, int, int) const; + // effectively copies data to string + bool AssignCopy(size_t, const wxChar *); -WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; -#define wxConv_current wxConvCurrent + // append a (sub)string + bool ConcatSelf(size_t nLen, const wxChar *src, size_t nMaxLen); + bool ConcatSelf(size_t nLen, const wxChar *src) + { return ConcatSelf(nLen, src, nLen); } -// filenames are multibyte on Unix and probably widechar on Windows? -#if defined(__UNIX__) || defined(__BORLANDC__) -#define wxMBFILES 1 -#else -#define wxMBFILES 0 -#endif + // functions called before writing to the string: they copy it if there + // are other references to our data (should be the only owner when writing) + bool CopyBeforeWrite(); + bool AllocBeforeWrite(size_t); -#if 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 { + // compatibility with wxString + bool Alloc(size_t nLen); public: - const char* cMB2WX(const char *psz) const { return psz; } - const char* cWX2MB(const char *psz) const { return psz; } + // standard types + typedef wxChar value_type; + typedef wxChar char_type; + typedef size_t size_type; + typedef value_type& reference; + typedef const value_type& const_reference; + typedef value_type* pointer; + typedef const value_type* const_pointer; + typedef value_type *iterator; + typedef const value_type *const_iterator; + + // constructors and destructor + // ctor for an empty string + wxStringBase() { Init(); } + // copy ctor + wxStringBase(const wxStringBase& stringSrc) + { + wxASSERT_MSG( stringSrc.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); + + if ( stringSrc.empty() ) { + // nothing to do for an empty string + Init(); + } + else { + m_pchData = stringSrc.m_pchData; // share same data + GetStringData()->Lock(); // => one more copy + } + } + // string containing nRepeat copies of ch + wxStringBase(size_type nRepeat, wxChar ch); + // ctor takes first nLength characters from C string + // (default value of npos means take all the string) + wxStringBase(const wxChar *psz) + { InitWith(psz, 0, npos); } + wxStringBase(const wxChar *psz, size_t nLength) + { InitWith(psz, 0, nLength); } + wxStringBase(const wxChar *psz, wxMBConv& WXUNUSED(conv), size_t nLength = npos) + { InitWith(psz, 0, nLength); } + // take nLen chars starting at nPos + wxStringBase(const wxStringBase& str, size_t nPos, size_t nLen) + { + wxASSERT_MSG( str.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); + Init(); + size_t strLen = str.length() - nPos; nLen = strLen < nLen ? strLen : nLen; + InitWith(str.c_str(), nPos, nLen); + } + // take all characters from pStart to pEnd + wxStringBase(const void *pStart, const void *pEnd); + + // dtor is not virtual, this class must not be inherited from! + ~wxStringBase() { GetStringData()->Unlock(); } + + // overloaded assignment + // from another wxString + wxStringBase& operator=(const wxStringBase& stringSrc); + // from a character + wxStringBase& operator=(wxChar ch); + // from a C string + wxStringBase& operator=(const wxChar *psz); + + // return the length of the string + size_type size() const { return GetStringData()->nDataLength; } + // return the length of the string + size_type length() const { return size(); } + // return the maximum size of the string + size_type max_size() const { return wxSTRING_MAXLEN; } + // resize the string, filling the space with c if c != 0 + void resize(size_t nSize, wxChar ch = wxT('\0')); + // delete the contents of the string + void clear() { erase(0, npos); } + // returns true if the string is empty + bool empty() const { return size() == 0; } + // inform string about planned change in size + void reserve(size_t sz) { Alloc(sz); } + size_type capacity() const { return GetStringData()->nAllocLength; } + + // lib.string.access + // return the character at position n + value_type at(size_type n) const + { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } + value_type operator[](size_type n) const { return at(n); } + // returns the writable character at position n + reference at(size_type n) + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + reference operator[](size_type n) + { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + + // lib.string.modifiers + // append elements str[pos], ..., str[pos+n] + wxStringBase& append(const wxStringBase& str, size_t pos, size_t n) + { + wxASSERT(pos <= str.length()); + ConcatSelf(n, str.c_str() + pos, str.length() - pos); + return *this; + } + // append a string + wxStringBase& append(const wxStringBase& str) + { ConcatSelf(str.length(), str.c_str()); return *this; } + // append first n (or all if n == npos) characters of sz + wxStringBase& append(const wxChar *sz) + { ConcatSelf(wxStrlen(sz), sz); return *this; } + wxStringBase& append(const wxChar *sz, size_t n) + { ConcatSelf(n, sz); return *this; } + // append n copies of ch + wxStringBase& append(size_t n, wxChar ch); + // append from first to last + wxStringBase& append(const_iterator first, const_iterator last) + { ConcatSelf(last - first, first); return *this; } + + // same as `this_string = str' + wxStringBase& assign(const wxStringBase& str) + { return *this = str; } + // same as ` = str[pos..pos + n] + wxStringBase& assign(const wxStringBase& str, size_t pos, size_t n) + { clear(); return append(str, pos, n); } + // same as `= first n (or all if n == npos) characters of sz' + wxStringBase& assign(const wxChar *sz) + { clear(); return append(sz, wxStrlen(sz)); } + wxStringBase& assign(const wxChar *sz, size_t n) + { clear(); return append(sz, n); } + // same as `= n copies of ch' + wxStringBase& assign(size_t n, wxChar ch) + { clear(); return append(n, ch); } + // assign from first to last + wxStringBase& assign(const_iterator first, const_iterator last) + { clear(); return append(first, last); } + + // first valid index position + const_iterator begin() const { return m_pchData; } + // position one after the last valid one + const_iterator end() const { return m_pchData + length(); } + + // first valid index position + iterator begin() { CopyBeforeWrite(); return m_pchData; } + // position one after the last valid one + iterator end() { CopyBeforeWrite(); return m_pchData + length(); } + + // insert another string + wxStringBase& insert(size_t nPos, const wxStringBase& str) + { + wxASSERT( str.GetStringData()->IsValid() ); + return insert(nPos, str.c_str(), str.length()); + } + // insert n chars of str starting at nStart (in str) + wxStringBase& insert(size_t nPos, const wxStringBase& str, size_t nStart, size_t n) + { + wxASSERT( str.GetStringData()->IsValid() ); + wxASSERT( nStart < str.length() ); + size_t strLen = str.length() - nStart; + n = strLen < n ? strLen : n; + return insert(nPos, str.c_str() + nStart, n); + } + // insert first n (or all if n == npos) characters of sz + wxStringBase& insert(size_t nPos, const wxChar *sz, size_t n = npos); + // insert n copies of ch + wxStringBase& insert(size_t nPos, size_t n, wxChar ch) + { return insert(nPos, wxStringBase(n, ch)); } + iterator insert(iterator it, wxChar ch) + { size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; } + void insert(iterator it, const_iterator first, const_iterator last) + { insert(it - begin(), first, last - first); } + void insert(iterator it, size_type n, wxChar ch) + { insert(it - begin(), n, ch); } + + // delete characters from nStart to nStart + nLen + wxStringBase& erase(size_type pos = 0, size_type n = npos); + iterator erase(iterator first, iterator last) + { + size_t idx = first - begin(); + erase(idx, last - first); + return begin() + idx; + } + iterator erase(iterator first); + + // explicit conversion to C string (use this with printf()!) + const wxChar* c_str() const { return m_pchData; } + const wxChar* data() const { return m_pchData; } + + // replaces the substring of length nLen starting at nStart + wxStringBase& replace(size_t nStart, size_t nLen, const wxChar* sz); + // replaces the substring of length nLen starting at nStart + wxStringBase& replace(size_t nStart, size_t nLen, const wxStringBase& str) + { return replace(nStart, nLen, str.c_str()); } + // replaces the substring with nCount copies of ch + wxStringBase& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch); + // replaces a substring with another substring + wxStringBase& replace(size_t nStart, size_t nLen, + const wxStringBase& str, size_t nStart2, size_t nLen2); + // replaces the substring with first nCount chars of sz + wxStringBase& replace(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount); + wxStringBase& replace(iterator first, iterator last, const_pointer s) + { return replace(first - begin(), last - first, s); } + wxStringBase& replace(iterator first, iterator last, const_pointer s, + size_type n) + { return replace(first - begin(), last - first, s, n); } + wxStringBase& replace(iterator first, iterator last, const wxStringBase& s) + { return replace(first - begin(), last - first, s); } + wxStringBase& replace(iterator first, iterator last, size_type n, wxChar c) + { return replace(first - begin(), last - first, n, c); } + wxStringBase& replace(iterator first, iterator last, + const_iterator first1, const_iterator last1) + { return replace(first - begin(), last - first, first1, last1 - first1); } + + // swap two strings + void swap(wxStringBase& str); + + // All find() functions take the nStart argument which specifies the + // position to start the search on, the default value is 0. All functions + // return npos if there were no match. + + // find a substring + size_t find(const wxStringBase& str, size_t nStart = 0) const; + + // VC++ 1.5 can't cope with this syntax. +#if !defined(__VISUALC__) || defined(__WIN32__) + // find first n characters of sz + size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; +#endif // VC++ 1.5 + + // find the first occurence of character ch after nStart + size_t find(wxChar ch, size_t nStart = 0) const; + + // rfind() family is exactly like find() but works right to left + + // as find, but from the end + size_t rfind(const wxStringBase& str, size_t nStart = npos) const; + + // VC++ 1.5 can't cope with this syntax. + // as find, but from the end + size_t rfind(const wxChar* sz, size_t nStart = npos, + size_t n = npos) const; + // as find, but from the end + size_t rfind(wxChar ch, size_t nStart = npos) const; + + // find first/last occurence of any character in the set + + // as strpbrk() but starts at nStart, returns npos if not found + size_t find_first_of(const wxStringBase& str, size_t nStart = 0) const + { return find_first_of(str.c_str(), nStart); } + // same as above + size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; + size_t find_first_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as find(char, size_t) + size_t find_first_of(wxChar c, size_t nStart = 0) const + { return find(c, nStart); } + // find the last (starting from nStart) char from str in this string + size_t find_last_of (const wxStringBase& str, size_t nStart = npos) const + { return find_last_of(str.c_str(), nStart); } + // same as above + size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; + size_t find_last_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as above + size_t find_last_of(wxChar c, size_t nStart = npos) const + { return rfind(c, nStart); } + + // find first/last occurence of any character not in the set + + // as strspn() (starting from nStart), returns npos on failure + size_t find_first_not_of(const wxStringBase& str, size_t nStart = 0) const + { return find_first_not_of(str.c_str(), nStart); } + // same as above + size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const; + size_t find_first_not_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as above + size_t find_first_not_of(wxChar ch, size_t nStart = 0) const; + // as strcspn() + size_t find_last_not_of(const wxStringBase& str, size_t nStart = npos) const + { return find_last_not_of(str.c_str(), nStart); } + // same as above + size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; + size_t find_last_not_of(const wxChar* sz, size_t nStart, size_t n) const; + // same as above + size_t find_last_not_of(wxChar ch, size_t nStart = npos) const; + + // All compare functions return -1, 0 or 1 if the [sub]string is less, + // equal or greater than the compare() argument. + + // just like strcmp() + int compare(const wxStringBase& str) const + { return wxStrcmp(c_str(), str.c_str()); } + // comparison with a substring + int compare(size_t nStart, size_t nLen, const wxStringBase& str) const; + // comparison of 2 substrings + int compare(size_t nStart, size_t nLen, + const wxStringBase& str, size_t nStart2, size_t nLen2) const; + // just like strcmp() + int compare(const wxChar* sz) const + { return wxStrcmp(c_str(), 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; + + size_type copy(wxChar* s, size_type n, size_type pos = 0); + + // substring extraction + wxStringBase substr(size_t nStart = 0, size_t nLen = npos) const; + + // string += string + wxStringBase& operator+=(const wxStringBase& s) { return append(s); } + // string += C string + wxStringBase& operator+=(const wxChar *psz) { return append(psz); } + // string += char + wxStringBase& operator+=(wxChar ch) { return append(1, ch); } }; -WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc, wxConvFile; -WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; -#define wxFNCONV(name) name -#define FNSTRINGCAST WXSTRINGCAST -#endif//wxUSE_WCHAR_T + +#endif // !wxUSE_STL // --------------------------------------------------------------------------- // This is (yet another one) String class for C++ programmers. It doesn't use @@ -284,133 +612,95 @@ WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent; // - regular expressions support // --------------------------------------------------------------------------- -#ifdef WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString : public wxObject +class WXDLLIMPEXP_BASE wxString : public wxStringBase { - DECLARE_DYNAMIC_CLASS(wxString) -#else //WXSTRING_IS_WXOBJECT -class WXDLLEXPORT wxString -{ -#endif //WXSTRING_IS_WXOBJECT - -friend class WXDLLEXPORT wxArrayString; +#if !wxUSE_STL +friend class WXDLLIMPEXP_BASE wxArrayString; +#endif // NB: special care was taken in arranging the member functions in such order // that all inline functions can be effectively inlined, verify that all // performace critical functions are still inlined if you change order! 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); + // if we hadn't made these operators private, it would be possible to + // compile "wxString s; s = 17;" without any warnings as 17 is implicitly + // converted to char in C and we do have operator=(char) + // + // NB: we don't need other versions (short/long and unsigned) as attempt + // to assign another numeric type to wxString will now result in + // ambiguity between operator=(char) and operator=(int) + wxString& operator=(int); - // this method is not implemented - there is _no_ conversion from int to + // these methods are not implemented - there is _no_ conversion from int to // string, you're doing something wrong if the compiler wants to call it! // // try `s << i' or `s.Printf("%d", i)' instead wxString(int); - wxString(long); public: // constructors and destructor // ctor for an empty string - wxString() { Init(); } + wxString() : wxStringBase() { } // copy ctor - wxString(const wxString& stringSrc) - { - wxASSERT( stringSrc.GetStringData()->IsValid() ); - - 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 - } - } + wxString(const wxStringBase& stringSrc) : wxStringBase(stringSrc) { } + wxString(const wxString& stringSrc) : wxStringBase(stringSrc) { } // string containing nRepeat copies of ch - wxString(wxChar ch, size_t nRepeat = 1); + wxString(wxChar ch, size_t nRepeat = 1) + : wxStringBase(nRepeat, ch) { } + wxString(size_t nRepeat, wxChar ch) + : wxStringBase(nRepeat, ch) { } // ctor takes first nLength characters from C string - // (default value of wxSTRING_MAXLEN means take all the string) - wxString(const wxChar *psz, size_t nLength = wxSTRING_MAXLEN) - { InitWith(psz, 0, nLength); } + // (default value of npos means take all the string) + wxString(const wxChar *psz) + : wxStringBase(psz ? psz : wxT("")) { } + wxString(const wxChar *psz, size_t nLength) + : wxStringBase(psz, nLength) { } + wxString(const wxChar *psz, wxMBConv& WXUNUSED(conv), size_t nLength = npos) + : wxStringBase(psz, nLength == npos ? wxStrlen(psz) : 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); + wxString(const char *psz, wxMBConv& conv, size_t nLength = npos); // from wxWCharBuffer (i.e. return from wxGetString) - wxString(const wxWCharBuffer& psz) - { InitWith(psz, 0, wxSTRING_MAXLEN); } -#else + wxString(const wxWCharBuffer& psz) : wxStringBase(psz.data()) { } +#else // ANSI // from C string (for compilers using unsigned char) - wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN) - { 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); } + wxString(const unsigned char* psz, size_t nLength = npos) + : wxStringBase((const char*)psz, nLength) { } + #if wxUSE_WCHAR_T // from wide (Unicode) string - wxString(const wchar_t *pwz); -#endif + wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc, size_t nLength = npos); +#endif // !wxUSE_WCHAR_T + // from wxCharBuffer wxString(const wxCharBuffer& psz) - { InitWith(psz, 0, wxSTRING_MAXLEN); } -#endif - // dtor is not virtual, this class must not be inherited from! - ~wxString() { GetStringData()->Unlock(); } + : wxStringBase(psz, npos) { } +#endif // Unicode/ANSI // 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; } + bool IsEmpty() const { return empty(); } // empty string is "FALSE", so !str will return TRUE bool operator!() const { return IsEmpty(); } + // truncate the string to given length + wxString& Truncate(size_t uiLen); // empty string contents void Empty() { - if ( !IsEmpty() ) - Reinit(); + Truncate(0); - // should be empty - wxASSERT( GetStringData()->nDataLength == 0 ); + wxASSERT_MSG( IsEmpty(), _T("string not empty after call to Empty()?") ); } // empty the string and free memory void Clear() { - 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 @@ -424,74 +714,148 @@ public: // data access (all indexes are 0 based) // read access wxChar GetChar(size_t n) const - { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } + { return operator[](n); } // read/write access wxChar& GetWritableChar(size_t n) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } + { return operator[](n); } // write access void SetChar(size_t n, wxChar ch) - { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } + { operator[](n) = ch; } // get last character wxChar Last() const - { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; } + { + wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); + + return operator[](length() - 1); + } + // get writable last character wxChar& Last() - { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; } + { + wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") ); + return operator[](length() - 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 + /* + So why do we have all these overloaded operator[]s? A bit of history: + initially there was only one of them, taking size_t. Then people + started complaining because they wanted to use ints as indices (I + wonder why) and compilers were giving warnings about it, so we had to + add the operator[](int). Then it became apparent that you couldn't + write str[0] any longer because there was ambiguity between two + overloads and so you now had to write str[0u] (or, of course, use the + explicit casts to either int or size_t but nobody did this). + + Finally, someone decided to compile wxWin on an Alpha machine and got + a surprize: str[0u] didn't compile there because it is of type + unsigned int and size_t is unsigned _long_ on Alpha and so there was + ambiguity between converting uint to int or ulong. To fix this one we + now add operator[](uint) for the machines where size_t is not already + the same as unsigned int - hopefully this fixes the problem (for some + time) + + The only real fix is, of course, to remove all versions but the one + taking size_t... + */ // 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]; } + { return wxStringBase::operator[](n); } + wxChar& operator[](size_type n) + { return wxStringBase::operator[](n); } + wxChar operator[](size_type n) const + { return wxStringBase::operator[](n); } +#ifndef wxSIZE_T_IS_UINT + // operator version of GetChar + wxChar operator[](unsigned int n) const + { return wxStringBase::operator[](n); } + + // operator version of GetWriteableChar + wxChar& operator[](unsigned int n) + { return wxStringBase::operator[](n); } +#endif // size_t != unsigned int // implicit conversion to C string - operator const wxChar*() const { return m_pchData; } - // explicit conversion to C string (use this with printf()!) - const wxChar* c_str() const { return m_pchData; } - // (and this with [wx]Printf()!) - const wxChar* wx_str() const { return m_pchData; } + operator const wxChar*() const { return c_str(); } + + // identical to c_str(), for wxWin 1.6x compatibility + const wxChar* wx_str() const { return c_str(); } + // identical to c_str(), for MFC compatibility + const wxChar* GetData() const { return c_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.) + // + // the behaviour of these functions with the strings containing anything + // else than 7 bit ASCII characters is undefined, use at your own risk. +#if wxUSE_UNICODE + static wxString FromAscii(const char *ascii); // string + static wxString FromAscii(const char ascii); // char + const wxCharBuffer ToAscii() const; +#else // ANSI + static wxString FromAscii(const char *ascii) { return wxString( ascii ); } + static wxString FromAscii(const char ascii) { return wxString( ascii ); } + const char *ToAscii() const { return c_str(); } +#endif // Unicode/!Unicode + + // conversions with (possible) format conversions: have to return a + // buffer with temporary data // - const wxChar* GetData() const { return m_pchData; } + // the functions defined (in either Unicode or ANSI) mode are mb_str() to + // return an ANSI (multibyte) string, wc_str() to return a wide string and + // fn_str() to return a string which should be used with the OS APIs + // accepting the file names. The return value is always the same, but the + // type differs because a function may either return pointer to the buffer + // directly or have to use intermediate buffer for translation. #if wxUSE_UNICODE - const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const { return conv.cWC2MB(m_pchData); } - const wxChar* wc_str(wxMBConv& WXUNUSED(conv) = wxConvLibc) const { return m_pchData; } + const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const + { return conv.cWC2MB(c_str()); } + + const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } + + const wxChar* wc_str() const { return c_str(); } + + // for compatibility with !wxUSE_UNICODE version + const wxChar* wc_str(wxMBConv& WXUNUSED(conv)) const { return c_str(); } + #if wxMBFILES const wxCharBuffer fn_str() const { return mb_str(wxConvFile); } -#else - const wxChar* fn_str() const { return m_pchData; } -#endif -#else - const wxChar* mb_str(wxMBConv& WXUNUSED(conv) = wxConvLibc ) const { return m_pchData; } +#else // !wxMBFILES + const wxChar* fn_str() const { return c_str(); } +#endif // wxMBFILES/!wxMBFILES +#else // ANSI + const wxChar* mb_str() const { return c_str(); } + + // for compatibility with wxUSE_UNICODE version + const wxChar* mb_str(wxMBConv& WXUNUSED(conv)) const { return c_str(); } + + const wxWX2MBbuf mbc_str() const { return mb_str(); } + #if wxUSE_WCHAR_T - const wxWCharBuffer wc_str(wxMBConv& conv) const { return conv.cMB2WC(m_pchData); } -#endif - const wxChar* fn_str() const { return m_pchData; } -#endif - // for convenience - const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } + const wxWCharBuffer wc_str(wxMBConv& conv) const + { return conv.cMB2WC(c_str()); } +#endif // wxUSE_WCHAR_T + + const wxChar* fn_str() const { return c_str(); } +#endif // Unicode/ANSI // overloaded assignment // from another wxString - wxString& operator=(const wxString& stringSrc); + wxString& operator=(const wxStringBase& stringSrc) + { return (wxString&)wxStringBase::operator=(stringSrc); } // from a character - wxString& operator=(wxChar ch); + wxString& operator=(wxChar ch) + { return (wxString&)wxStringBase::operator=(ch); } // from a C string - wxString& operator=(const wxChar *psz); + wxString& operator=(const wxChar *psz) + { return (wxString&)wxStringBase::operator=(psz); } #if wxUSE_UNICODE // from wxWCharBuffer - wxString& operator=(const wxWCharBuffer& psz) { return operator=((const wchar_t *)psz); } -#else + wxString& operator=(const wxWCharBuffer& psz) + { (void) operator=((const wchar_t *)psz); return *this; } +#else // ANSI // from another kind of C string wxString& operator=(const unsigned char* psz); #if wxUSE_WCHAR_T @@ -499,8 +863,9 @@ public: wxString& operator=(const wchar_t *pwz); #endif // from wxCharBuffer - wxString& operator=(const wxCharBuffer& psz) { return operator=((const char *)psz); } -#endif + wxString& operator=(const wxCharBuffer& psz) + { (void) operator=((const char *)psz); return *this; } +#endif // Unicode/ANSI // string concatenation // in place concatenation @@ -512,39 +877,50 @@ public: // string += string wxString& operator<<(const wxString& s) { - wxASSERT( s.GetStringData()->IsValid() ); +#if !wxUSE_STL + wxASSERT_MSG( s.GetStringData()->IsValid(), + _T("did you forget to call UngetWriteBuf()?") ); +#endif - ConcatSelf(s.Len(), s); + append(s); return *this; } // string += C string wxString& operator<<(const wxChar *psz) - { ConcatSelf(wxStrlen(psz), psz); return *this; } - // string += char - wxString& operator<<(wxChar ch) { ConcatSelf(1, &ch); return *this; } - - // string += string - void operator+=(const wxString& s) { (void)operator<<(s); } - // string += C string - void operator+=(const wxChar *psz) { (void)operator<<(psz); } + { append(psz); return *this; } // string += char - void operator+=(wxChar ch) { (void)operator<<(ch); } + wxString& operator<<(wxChar 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) + { (void)operator<<((const wchar_t *)s); return *this; } + void operator+=(const wxWCharBuffer& s) + { (void)operator<<((const wchar_t *)s); } +#else // !wxUSE_UNICODE + wxString& operator<<(const wxCharBuffer& s) + { (void)operator<<((const char *)s); return *this; } + void operator+=(const wxCharBuffer& s) + { (void)operator<<((const char *)s); } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE // string += C string + wxString& Append(const wxString& s) + { + // test for IsEmpty() to share the string if possible + if ( IsEmpty() ) + *this = s; + else + append(s); + return *this; + } wxString& Append(const wxChar* psz) - { ConcatSelf(wxStrlen(psz), psz); return *this; } + { append(psz); return *this; } // append count copies of given character wxString& Append(wxChar ch, size_t count = 1u) - { wxString str(ch, count); return *this << str; } + { append(count, ch); return *this; } + wxString& Append(const wxChar* psz, size_t nLen) + { append(psz, nLen); return *this; } // prepend a string, return the string itself wxString& Prepend(const wxString& str) @@ -552,48 +928,71 @@ public: // non-destructive concatenation // - friend wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2); // - friend wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch); // - friend wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); + friend wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string); // - friend wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz); // - friend wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); + friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string); // stream-like functions // insert an int into string - wxString& operator<<(int i); + wxString& operator<<(int i) + { return (*this) << Format(_T("%d"), i); } + // insert an unsigned int into string + wxString& operator<<(unsigned int ui) + { return (*this) << Format(_T("%u"), ui); } + // insert a long into string + wxString& operator<<(long l) + { return (*this) << Format(_T("%ld"), l); } + // insert an unsigned long into string + wxString& operator<<(unsigned long ul) + { return (*this) << Format(_T("%lu"), ul); } // insert a float into string - wxString& operator<<(float f); + wxString& operator<<(float f) + { return (*this) << Format(_T("%f"), f); } // insert a double into string - wxString& operator<<(double d); + wxString& operator<<(double d) + { return (*this) << Format(_T("%g"), d); } // string comparison // case-sensitive comparison (returns a value < 0, = 0 or > 0) - int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } + int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } // same as Cmp() but not case-sensitive - int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } + int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } // test for the string equality, either considering case or not // (if compareWithCase then the case matters) bool IsSameAs(const wxChar *psz, bool compareWithCase = TRUE) const { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; } + // comparison with a signle character: returns TRUE if equal + bool IsSameAs(wxChar c, bool compareWithCase = TRUE) const + { + return (length() == 1) && (compareWithCase ? GetChar(0u) == c + : wxToupper(GetChar(0u)) == wxToupper(c)); + } // simple sub-string extraction // return substring starting at nFirst of length nCount (or till the end // if nCount = default value) - wxString Mid(size_t nFirst, size_t nCount = wxSTRING_MAXLEN) const; + wxString Mid(size_t nFirst, size_t nCount = npos) const; - // operator version of Mid() + // operator version of Mid() wxString operator()(size_t start, size_t len) const { return Mid(start, len); } + // check that the string starts with prefix and return the rest of the + // string in the provided pointer if it is not NULL, otherwise return + // FALSE + bool StartsWith(const wxChar *prefix, wxString *rest = NULL) const; + // get first nCount characters wxString Left(size_t nCount) const; // get last nCount characters wxString Right(size_t nCount) const; - // get all characters before the first occurence of ch + // get all characters before the first occurance of ch // (returns the whole string if ch not found) wxString BeforeFirst(wxChar ch) const; // get all characters before the last occurence of ch @@ -625,9 +1024,7 @@ public: // remove spaces from left or from right (default) side wxString& Trim(bool bFromRight = TRUE); // add nCount copies chPad in the beginning or at the end (default) - wxString& Pad(size_t nCount, wxChar chPad = _T(' '), bool bFromRight = TRUE); - // truncate string to given length - wxString& Truncate(size_t uiLen); + wxString& Pad(size_t nCount, wxChar chPad = wxT(' '), bool bFromRight = TRUE); // searching and replacing // searching (return starting index, or -1 if not found) @@ -643,24 +1040,45 @@ public: // check if the string contents matches a mask containing '*' and '?' bool Matches(const wxChar *szMask) const; + // conversion to numbers: all functions return TRUE only if the whole + // string is a number and put the value of this number into the pointer + // provided, the base is the numeric base in which the conversion should be + // done and must be comprised between 2 and 36 or be 0 in which case the + // standard C rules apply (leading '0' => octal, "0x" => hex) + // convert to a signed integer + bool ToLong(long *val, int base = 10) const; + // convert to an unsigned integer + bool ToULong(unsigned long *val, int base = 10) const; + // convert to a double + bool ToDouble(double *val) const; + // formated input/output // as sprintf(), returns the number of characters written or < 0 on error - int Printf(const wxChar *pszFormat, ...); + // (take 'this' into account in attribute parameter count) + int Printf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; // as vprintf(), returns the number of characters written or < 0 on error int PrintfV(const wxChar* pszFormat, va_list argptr); + // returns the string containing the result of Printf() to it + static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1; + // the same as above, but takes a va_list + static wxString FormatV(const wxChar *pszFormat, va_list argptr); + // raw access to string memory // ensure that string has space for at least nLen characters // only works if the data of this string is not shared - void Alloc(size_t nLen); + bool Alloc(size_t nLen) { 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 !wxUSE_STL // get writable buffer of at least nLen bytes. Unget() *must* be called // a.s.a.p. to put string back in a reasonable state! wxChar *GetWriteBuf(size_t nLen); // call this immediately after GetWriteBuf() has been used void UngetWriteBuf(); + void UngetWriteBuf(size_t nLen); +#endif // wxWindows version 1 compatibility functions @@ -672,15 +1090,16 @@ public: // values for first parameter of Strip function enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; - // use Printf() - int sprintf(const wxChar *pszFormat, ...); + // use Printf() + // (take 'this' into account in attribute parameter count) + int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2; // use Cmp() inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const { return cmp == exact ? Cmp(psz) : CmpNoCase(psz); } // use Len - size_t Length() const { return Len(); } + size_t Length() const { return length(); } // Count the number of characters int Freq(wxChar ch) const; // use MakeLower @@ -695,9 +1114,10 @@ public: size_t Index(wxChar ch) const { return Find(ch); } // use Truncate wxString& Remove(size_t pos) { return Truncate(pos); } - wxString& RemoveLast() { return Truncate(Len() - 1); } + wxString& RemoveLast(size_t n = 1) { return Truncate(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); } @@ -709,365 +1129,400 @@ public: // use IsEmpty() bool IsNull() const { return IsEmpty(); } -#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) - { - wxASSERT( str.GetStringData()->IsValid() ); - InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen); - } + : wxStringBase(str, nPos, nLen) { } // take all characters from pStart to pEnd - wxString(const void *pStart, const void *pEnd); - - // lib.string.capacity - // return the length of the string - size_t size() const { return Len(); } - // return the length of the string - size_t length() const { return Len(); } - // return the maximum size of the string - size_t max_size() const { return wxSTRING_MAXLEN; } - // resize the string, filling the space with c if c != 0 - void resize(size_t nSize, wxChar ch = _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 void *pStart, const void *pEnd) + : wxStringBase((const char*)pStart, (const char*)pEnd) { } +#if wxUSE_STL + wxString(const_iterator first, const_iterator last) + : wxStringBase(first, last) { } +#endif // lib.string.modifiers - // append a string - wxString& append(const wxString& str) - { *this += str; return *this; } // append elements str[pos], ..., str[pos+n] wxString& append(const wxString& str, size_t pos, size_t n) - { ConcatSelf(n, str.c_str() + pos); return *this; } + { return (wxString&)wxStringBase::append(str, pos, n); } + // append a string + wxString& append(const wxString& str) + { return (wxString&)wxStringBase::append(str); } // append first n (or all if n == npos) characters of sz - wxString& append(const wxChar *sz, size_t n = npos) - { ConcatSelf(n == npos ? wxStrlen(sz) : n, sz); return *this; } - + wxString& append(const wxChar *sz) + { return (wxString&)wxStringBase::append(sz); } + wxString& append(const wxChar *sz, size_t n) + { return (wxString&)wxStringBase::append(sz, n); } // append n copies of ch - wxString& append(size_t n, wxChar ch) { return Pad(n, ch); } + wxString& append(size_t n, wxChar ch) + { return (wxString&)wxStringBase::append(n, ch); } + // append from first to last + wxString& append(const_iterator first, const_iterator last) + { return (wxString&)wxStringBase::append(first, last); } // same as `this_string = str' - wxString& assign(const wxString& str) { return (*this) = str; } + wxString& assign(const wxString& str) + { return (wxString&)wxStringBase::assign(str); } // same as ` = str[pos..pos + n] wxString& assign(const wxString& str, size_t pos, size_t n) - { return *this = wxString((const wxChar *)str + pos, n); } + { return (wxString&)wxStringBase::assign(str, pos, n); } // same as `= first n (or all if n == npos) characters of sz' - wxString& assign(const wxChar *sz, size_t n = npos) - { return *this = wxString(sz, n); } + wxString& assign(const wxChar *sz) + { return (wxString&)wxStringBase::assign(sz); } + wxString& assign(const wxChar *sz, size_t n) + { return (wxString&)wxStringBase::assign(sz, n); } // same as `= n copies of ch' wxString& assign(size_t n, wxChar ch) - { return *this = wxString(ch, n); } + { return (wxString&)wxStringBase::assign(n, ch); } + // assign from first to last + wxString& assign(const_iterator first, const_iterator last) + { return (wxString&)wxStringBase::assign(first, last); } + + // string comparison +#ifndef HAVE_STD_STRING_COMPARE + int compare(const wxStringBase& str) const; + // comparison with a substring + int compare(size_t nStart, size_t nLen, const wxStringBase& str) const; + // comparison of 2 substrings + int compare(size_t nStart, size_t nLen, + const wxStringBase& str, size_t nStart2, size_t nLen2) const; + // just like strcmp() + int compare(const wxChar* sz) const; + // substring comparison with first nCount characters of sz + int compare(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount = npos) const; +#endif // !defined HAVE_STD_STRING_COMPARE // insert another string - wxString& insert(size_t nPos, const wxString& str); + wxString& insert(size_t nPos, const wxString& str) + { return (wxString&)wxStringBase::insert(nPos, str); } // insert n chars of str starting at nStart (in str) wxString& insert(size_t nPos, const wxString& str, size_t nStart, size_t n) - { return insert(nPos, wxString((const wxChar *)str + nStart, n)); } - + { return (wxString&)wxStringBase::insert(nPos, str, nStart, n); } // insert first n (or all if n == npos) characters of sz - wxString& insert(size_t nPos, const wxChar *sz, size_t n = npos) - { return insert(nPos, wxString(sz, n)); } + wxString& insert(size_t nPos, const wxChar *sz) + { return (wxString&)wxStringBase::insert(nPos, sz); } + wxString& insert(size_t nPos, const wxChar *sz, size_t n) + { return (wxString&)wxStringBase::insert(nPos, sz, n); } // insert n copies of ch wxString& insert(size_t nPos, size_t n, wxChar ch) - { return insert(nPos, wxString(ch, n)); } + { return (wxString&)wxStringBase::insert(nPos, n, ch); } + iterator insert(iterator it, wxChar ch) + { return wxStringBase::insert(it, ch); } + void insert(iterator it, const_iterator first, const_iterator last) + { wxStringBase::insert(it, first, last); } + void insert(iterator it, size_type n, wxChar ch) + { wxStringBase::insert(it, n, ch); } // delete characters from nStart to nStart + nLen - wxString& erase(size_t nStart = 0, size_t nLen = npos); + wxString& erase(size_type pos = 0, size_type n = npos) + { return (wxString&)wxStringBase::erase(pos, n); } + iterator erase(iterator first, iterator last) + { return wxStringBase::erase(first, last); } + iterator erase(iterator first) + { return wxStringBase::erase(first); } + +#ifdef wxSTRING_BASE_HASNT_CLEAR + void clear() { erase(); } +#endif // replaces the substring of length nLen starting at nStart - wxString& replace(size_t nStart, size_t nLen, const wxChar* sz); + wxString& replace(size_t nStart, size_t nLen, const wxChar* sz) + { return (wxString&)wxStringBase::replace(nStart, nLen, sz); } + // replaces the substring of length nLen starting at nStart + wxString& replace(size_t nStart, size_t nLen, const wxString& str) + { return (wxString&)wxStringBase::replace(nStart, nLen, str); } // replaces the substring with nCount copies of ch - wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch); + wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch) + { return (wxString&)wxStringBase::replace(nStart, nLen, nCount, ch); } // replaces a substring with another substring wxString& replace(size_t nStart, size_t nLen, - const wxString& str, size_t nStart2, size_t nLen2); - // replaces the substring with first nCount chars of sz - wxString& replace(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount); + const wxString& str, size_t nStart2, size_t nLen2) + { return (wxString&)wxStringBase::replace(nStart, nLen, str, + nStart2, nLen2); } + // replaces the substring with first nCount chars of sz + wxString& replace(size_t nStart, size_t nLen, + const wxChar* sz, size_t nCount) + { return (wxString&)wxStringBase::replace(nStart, nLen, sz, nCount); } + wxString& replace(iterator first, iterator last, const_pointer s) + { return (wxString&)wxStringBase::replace(first, last, s); } + wxString& replace(iterator first, iterator last, const_pointer s, + size_type n) + { return (wxString&)wxStringBase::replace(first, last, s, n); } + wxString& replace(iterator first, iterator last, const wxString& s) + { return (wxString&)wxStringBase::replace(first, last, s); } + wxString& replace(iterator first, iterator last, size_type n, wxChar c) + { return (wxString&)wxStringBase::replace(first, last, n, c); } + wxString& replace(iterator first, iterator last, + const_iterator first1, const_iterator last1) + { return (wxString&)wxStringBase::replace(first, last, first1, last1); } - // swap two strings - void swap(wxString& str); + // string += string + wxString& operator+=(const wxString& s) + { return (wxString&)wxStringBase::operator+=(s); } + // string += C string + wxString& operator+=(const wxChar *psz) + { return (wxString&)wxStringBase::operator+=(psz); } + // string += char + wxString& operator+=(wxChar ch) + { return (wxString&)wxStringBase::operator+=(ch); } +}; - // 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. +// define wxArrayString, for compatibility +#if WXWIN_COMPATIBILITY_2_4 && !wxUSE_STL + #include "wx/arrstr.h" +#endif - // find a substring - size_t find(const wxString& str, size_t nStart = 0) const; +// ---------------------------------------------------------------------------- +// wxStringBuffer: a tiny class allowing to get a writable pointer into string +// ---------------------------------------------------------------------------- - // 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 +#if wxUSE_STL - // 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; +class WXDLLIMPEXP_BASE wxStringBuffer +{ +public: + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted) + { } + + ~wxStringBuffer() { m_str.assign(m_buf.data(), wxStrlen(m_buf.data())); } + + operator wxChar*() { return m_buf.data(); } + +private: + wxString& m_str; +#if wxUSE_UNICODE + wxWCharBuffer m_buf; +#else + wxCharBuffer m_buf; #endif - // rfind() family is exactly like find() but works right to left - // as find, but from the end - size_t rfind(const wxString& str, size_t nStart = npos) const; + DECLARE_NO_COPY_CLASS(wxStringBuffer) +}; - // VC++ 1.5 can't cope with this syntax. -#if !defined(__VISUALC__) || defined(__WIN32__) - // as find, but from the end - size_t rfind(const wxChar* sz, size_t nStart = npos, - size_t n = npos) const; - // as find, but from the end - size_t rfind(wxChar ch, size_t nStart = npos) const; +class WXDLLIMPEXP_BASE wxStringBufferLength +{ +public: + wxStringBufferLength(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false) + { } + + ~wxStringBufferLength() + { + wxASSERT(m_lenSet); + m_str.assign(m_buf.data(), m_len); + } + + operator wxChar*() { return m_buf.data(); } + void SetLength(size_t length) { m_len = length; m_lenSet = true; } + +private: + wxString& m_str; +#if wxUSE_UNICODE + wxWCharBuffer m_buf; +#else + wxCharBuffer m_buf; #endif + size_t m_len; + bool m_lenSet; - // find first/last occurence of any character in the set + DECLARE_NO_COPY_CLASS(wxStringBufferLength) +}; - // as strpbrk() but starts at nStart, returns npos if not found - size_t find_first_of(const wxString& str, size_t nStart = 0) const - { return find_first_of(str.c_str(), nStart); } - // same as above - size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; - // same as find(char, size_t) - size_t find_first_of(wxChar c, size_t nStart = 0) const - { return find(c, nStart); } - // find the last (starting from nStart) char from str in this string - size_t find_last_of (const wxString& str, size_t nStart = npos) const - { return find_last_of(str.c_str(), nStart); } - // same as above - size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; - // same as above - size_t find_last_of(wxChar c, size_t nStart = npos) const - { return rfind(c, nStart); } +#else // if !wxUSE_STL - // find first/last occurence of any character not in the set +class WXDLLIMPEXP_BASE wxStringBuffer +{ +public: + wxStringBuffer(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL) + { m_buf = m_str.GetWriteBuf(lenWanted); } - // as strspn() (starting from nStart), returns npos on failure - size_t find_first_not_of(const wxString& str, size_t nStart = 0) const - { return find_first_not_of(str.c_str(), nStart); } - // same as above - size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const; - // same as above - size_t find_first_not_of(wxChar ch, size_t nStart = 0) const; - // as strcspn() - size_t find_last_not_of(const wxString& str, size_t nStart=npos) const; - // same as above - size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; - // same as above - size_t find_last_not_of(wxChar ch, size_t nStart = npos) const; + ~wxStringBuffer() { m_str.UngetWriteBuf(); } - // All compare functions return -1, 0 or 1 if the [sub]string is less, - // equal or greater than the compare() argument. + operator wxChar*() const { return m_buf; } - // 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: + wxString& m_str; + wxChar *m_buf; - // substring extraction - wxString substr(size_t nStart = 0, size_t nLen = npos) const; -#endif // wxSTD_STRING_COMPATIBILITY + DECLARE_NO_COPY_CLASS(wxStringBuffer) }; -// ---------------------------------------------------------------------------- -// The string array uses it's knowledge of internal structure of the wxString -// class to optimize string storage. Normally, we would store pointers to -// string, but as wxString is, in fact, itself a pointer (sizeof(wxString) is -// sizeof(char *)) we store these pointers instead. The cast to "wxString *" is -// really all we need to turn such pointer into a string! -// -// Of course, it can be called a dirty hack, but we use twice less memory and -// this approach is also more speed efficient, so it's probably worth it. -// -// Usage notes: when a string is added/inserted, a new copy of it is created, -// so the original string may be safely deleted. When a string is retrieved -// from the array (operator[] or Item() method), a reference is returned. -// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxArrayString +class WXDLLIMPEXP_BASE wxStringBufferLength { public: - // type of function used by wxArrayString::Sort() - typedef int (*CompareFunction)(const wxString& first, - const wxString& second); + wxStringBufferLength(wxString& str, size_t lenWanted = 1024) + : m_str(str), m_buf(NULL), m_len(0), m_lenSet(false) + { m_buf = m_str.GetWriteBuf(lenWanted); } + + ~wxStringBufferLength() + { + wxASSERT(m_lenSet); + m_str.UngetWriteBuf(m_len); + } - // 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); + operator wxChar*() 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 - - void DoSort(); // common part of all Sort() variants + wxString& m_str; + wxChar *m_buf; + size_t m_len; + bool m_lenSet; - size_t m_nSize, // current size of the array - m_nCount; // current number of elements - - wxChar **m_pItems; // pointer to data + DECLARE_NO_COPY_CLASS(wxStringBufferLength) }; +#endif // !wxUSE_STL + // --------------------------------------------------------------------------- // wxString comparison functions: operator versions are always case sensitive // --------------------------------------------------------------------------- -// -inline bool operator==(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) == 0); } -// -inline bool operator==(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) == 0); } -// -inline bool operator!=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) != 0); } -// -inline bool operator!=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) != 0); } -// -inline bool operator< (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) < 0); } -// -inline bool operator< (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) > 0); } -// -inline bool operator> (const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) > 0); } -// -inline bool operator> (const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) < 0); } -// -inline bool operator<=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) <= 0); } -// -inline bool operator<=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) >= 0); } -// -inline bool operator>=(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) >= 0); } -// -inline bool operator>=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); } + +#if wxUSE_STL + +inline bool operator==(const wxString& s1, const wxString& s2) + { return s1.compare(s2) == 0; } +inline bool operator==(const wxString& s1, const wxChar * s2) + { return s1.compare(s2) == 0; } +inline bool operator==(const wxChar * s1, const wxString& s2) + { return s2.compare(s1) == 0; } +inline bool operator!=(const wxString& s1, const wxString& s2) + { return s1.compare(s2) != 0; } +inline bool operator!=(const wxString& s1, const wxChar * s2) + { return s1.compare(s2) != 0; } +inline bool operator!=(const wxChar * s1, const wxString& s2) + { return s2.compare(s1) != 0; } +inline bool operator< (const wxString& s1, const wxString& s2) + { return s1.compare(s2) < 0; } +inline bool operator< (const wxString& s1, const wxChar * s2) + { return s1.compare(s2) < 0; } +inline bool operator< (const wxChar * s1, const wxString& s2) + { return s2.compare(s1) > 0; } +inline bool operator> (const wxString& s1, const wxString& s2) + { return s1.compare(s2) > 0; } +inline bool operator> (const wxString& s1, const wxChar * s2) + { return s1.compare(s2) > 0; } +inline bool operator> (const wxChar * s1, const wxString& s2) + { return s2.compare(s1) < 0; } +inline bool operator<=(const wxString& s1, const wxString& s2) + { return s1.compare(s2) <= 0; } +inline bool operator<=(const wxString& s1, const wxChar * s2) + { return s1.compare(s2) <= 0; } +inline bool operator<=(const wxChar * s1, const wxString& s2) + { return s2.compare(s1) >= 0; } +inline bool operator>=(const wxString& s1, const wxString& s2) + { return s1.compare(s2) >= 0; } +inline bool operator>=(const wxString& s1, const wxChar * s2) + { return s1.compare(s2) >= 0; } +inline bool operator>=(const wxChar * s1, const wxString& s2) + { return s2.compare(s1) <= 0; } + +#else // if !wxUSE_STL + +inline bool operator==(const wxString& s1, const wxString& s2) + { return (s1.Len() == s2.Len()) && (s1.Cmp(s2) == 0); } +inline bool operator==(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) == 0; } +inline bool operator==(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) == 0; } +inline bool operator!=(const wxString& s1, const wxString& s2) + { return (s1.Len() != s2.Len()) || (s1.Cmp(s2) != 0); } +inline bool operator!=(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) != 0; } +inline bool operator!=(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) != 0; } +inline bool operator< (const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) < 0; } +inline bool operator< (const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) < 0; } +inline bool operator< (const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) > 0; } +inline bool operator> (const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) > 0; } +inline bool operator> (const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) > 0; } +inline bool operator> (const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) < 0; } +inline bool operator<=(const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) <= 0; } +inline bool operator<=(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) <= 0; } +inline bool operator<=(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) >= 0; } +inline bool operator>=(const wxString& s1, const wxString& s2) + { return s1.Cmp(s2) >= 0; } +inline bool operator>=(const wxString& s1, const wxChar * s2) + { return s1.Cmp(s2) >= 0; } +inline bool operator>=(const wxChar * s1, const wxString& s2) + { return s2.Cmp(s1) <= 0; } + +#endif // !wxUSE_STL + +// comparison with char +inline bool operator==(wxChar c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, wxChar c) { return s.IsSameAs(c); } +inline bool operator!=(wxChar c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); } #if wxUSE_UNICODE inline bool operator==(const wxString& s1, const wxWCharBuffer& s2) -{ return (s1.Cmp((const wchar_t *)s2) == 0); } + { 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 + { return (s2.Cmp((const wchar_t *)s1) == 0); } +inline bool operator!=(const wxString& s1, const wxWCharBuffer& s2) + { return (s1.Cmp((const wchar_t *)s2) != 0); } +inline bool operator!=(const wxWCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const wchar_t *)s1) != 0); } +#else // !wxUSE_UNICODE inline bool operator==(const wxString& s1, const wxCharBuffer& s2) -{ return (s1.Cmp((const char *)s2) == 0); } + { return (s1.Cmp((const char *)s2) == 0); } inline bool operator==(const wxCharBuffer& s1, const wxString& s2) -{ return (s2.Cmp((const char *)s1) == 0); } -#endif + { return (s2.Cmp((const char *)s1) == 0); } +inline bool operator!=(const wxString& s1, const wxCharBuffer& s2) + { return (s1.Cmp((const char *)s2) != 0); } +inline bool operator!=(const wxCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const char *)s1) != 0); } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE + +#if !wxUSE_STL + +wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2); +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch); +wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string); +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz); +wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string); + +#endif // !wxUSE_STL -wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); -wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); -wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); -wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); -wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); #if wxUSE_UNICODE -inline wxString 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 +inline wxString operator+(const wxString& string, const wxWCharBuffer& buf) + { return string + (const wchar_t *)buf; } +inline wxString operator+(const wxWCharBuffer& buf, const wxString& string) + { return (const wchar_t *)buf + string; } +#else // !wxUSE_UNICODE +inline wxString operator+(const wxString& string, const wxCharBuffer& buf) + { return string + (const char *)buf; } +inline wxString operator+(const wxCharBuffer& buf, const wxString& string) + { return (const char *)buf + string; } +#endif // wxUSE_UNICODE/!wxUSE_UNICODE // --------------------------------------------------------------------------- // Implementation only from here until the end of file // --------------------------------------------------------------------------- -#ifdef wxSTD_STRING_COMPATIBILITY +// don't pollute the library user's name space +#undef wxASSERT_VALID_INDEX + +#if wxUSE_STD_IOSTREAM -#include "wx/ioswrap.h" +#include "wx/iosfwrap.h" -WXDLLEXPORT istream& operator>>(istream& is, wxString& str); +WXDLLIMPEXP_BASE wxSTD istream& operator>>(wxSTD istream&, wxString&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); #endif // wxSTD_STRING_COMPATIBILITY