X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a3ef5bf5045991260005634272633717c0a26174..3f3cec484dc9376e6a41faa0ac668c5439cb4bd9:/include/wx/string.h diff --git a/include/wx/string.h b/include/wx/string.h index 1073bbcfe8..993e8a9283 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -16,29 +16,35 @@ #pragma interface "string.h" #endif -/* Dependencies (should be included before this header): - * string.h - * stdio.h - * stdarg.h - * limits.h - */ #ifdef __WXMAC__ -#include + #include #endif + +#ifdef __EMX__ + #include +#endif + #include #include #include #include #include +#ifdef HAVE_STRINGS_H + #include // for strcasecmp() +#endif // AIX + #ifndef WX_PRECOMP - #include "wx/defs.h" // Robert Roebling + #include "wx/defs.h" + #ifdef WXSTRING_IS_WXOBJECT #include "wx/object.h" #endif -#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, @@ -60,21 +66,28 @@ // maximum possible length for a string means "take all string" everywhere // (as sizeof(StringData) is unknown here we substract 100) -#define STRING_MAXLEN (UINT_MAX - 100) +const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100; // 'naughty' cast -#define WXSTRINGCAST (char *)(const char *) +#define WXSTRINGCAST (wxChar *)(const wxChar *) +#define WXCSTRINGCAST (wxChar *)(const wxChar *) +#define MBSTRINGCAST (char *)(const char *) +#define WCSTRINGCAST (wchar_t *)(const wchar_t *) // implementation only -#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) < Len() ) +#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() ) + +// include conversion classes +#include "wx/strconv.h" // --------------------------------------------------------------------------- // 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 // 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 WXDLLEXPORT 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) @@ -83,19 +96,23 @@ inline size_t WXDLLEXPORT Strlen(const char *psz) // portable strcasecmp/_stricmp inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) { -#if defined(_MSC_VER) +#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) ) return _stricmp(psz1, psz2); -#elif defined(__SC__) +#elif defined(__SC__) return _stricmp(psz1, psz2); -#elif defined(__SALFORDC__) +#elif defined(__SALFORDC__) return stricmp(psz1, psz2); #elif defined(__BORLANDC__) return stricmp(psz1, psz2); #elif defined(__WATCOMC__) return stricmp(psz1, psz2); -#elif defined(__UNIX__) || defined(__GNUWIN32__) +#elif defined(__EMX__) + return stricmp(psz1, psz2); +#elif defined(__WXPM__) + return stricmp(psz1, psz2); +#elif defined(__UNIX__) || defined(__GNUWIN32__) return strcasecmp(psz1, psz2); -#elif defined(__MWERKS__) && !defined(_MSC_VER) +#elif defined(__MWERKS__) && !defined(__INTEL__) register char c1, c2; do { c1 = tolower(*psz1++); @@ -125,10 +142,10 @@ inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2) // global data // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern const char*) wxEmptyString; +WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; // global pointer to empty string -WXDLLEXPORT_DATA(extern const char*) g_szNul; +WXDLLEXPORT_DATA(extern const wxChar*) g_szNul; // return an empty wxString class WXDLLEXPORT wxString; // not yet defined @@ -144,12 +161,12 @@ struct WXDLLEXPORT wxStringData size_t nDataLength, // actual string length nAllocLength; // allocated memory size - // mimics declaration 'char data[nAllocLength]' - char* data() const { return (char*)(this + 1); } + // mimics declaration 'wxChar data[nAllocLength]' + wxChar* data() const { return (wxChar*)(this + 1); } // empty string has a special ref count so it's never deleted - bool IsEmpty() const { return nRefs == -1; } - bool IsShared() const { return nRefs > 1; } + bool IsEmpty() const { return (nRefs == -1); } + bool IsShared() const { return (nRefs > 1); } // lock/unlock void Lock() { if ( !IsEmpty() ) nRefs++; } @@ -157,8 +174,8 @@ struct WXDLLEXPORT wxStringData // if we had taken control over string memory (GetWriteBuf), it's // intentionally put in invalid state - void Validate(bool b) { nRefs = b ? 1 : 0; } - bool IsValid() const { return nRefs != 0; } + void Validate(bool b) { nRefs = (b ? 1 : 0); } + bool IsValid() const { return (nRefs != 0); } }; // --------------------------------------------------------------------------- @@ -200,7 +217,7 @@ friend class WXDLLEXPORT wxArrayString; // performace critical functions are still inlined if you change order! private: // points to data preceded by wxStringData structure with ref count info - char *m_pchData; + wxChar *m_pchData; // accessor to string data wxStringData* GetStringData() const { return (wxStringData*)m_pchData - 1; } @@ -208,9 +225,9 @@ private: // string (re)initialization functions // initializes the string to the empty value (must be called only from // ctors, use Reinit() otherwise) - void Init() { m_pchData = (char *)g_szNul; } + void Init() { m_pchData = (wxChar *)g_szNul; } // initializaes the string with (a part of) C-string - void InitWith(const char *psz, size_t nPos = 0, size_t nLen = STRING_MAXLEN); + void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = wxSTRING_MAXLEN); // as Init, but also frees old data void Reinit() { GetStringData()->Unlock(); Init(); } @@ -220,16 +237,23 @@ private: // copies data to another string void AllocCopy(wxString&, int, int) const; // effectively copies data to string - void AssignCopy(size_t, const char *); + void AssignCopy(size_t, const wxChar *); // append a (sub)string - void ConcatSelf(int nLen, const char *src); + 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 + // 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 @@ -249,15 +273,34 @@ public: } } // string containing nRepeat copies of ch - wxString(char ch, size_t nRepeat = 1); + wxString(wxChar ch, size_t nRepeat = 1); // ctor takes first nLength characters from C string - // (default value of STRING_MAXLEN means take all the string) - wxString(const char *psz, size_t nLength = STRING_MAXLEN) + // (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); } +#else // from C string (for compilers using unsigned char) - wxString(const unsigned char* psz, size_t nLength = STRING_MAXLEN); - // from wide (UNICODE) string + 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); } +#endif // dtor is not virtual, this class must not be inherited from! ~wxString() { GetStringData()->Unlock(); } @@ -266,6 +309,8 @@ public: size_t Len() const { return GetStringData()->nDataLength; } // string contains any characters? bool IsEmpty() const { return Len() == 0; } + // empty string is "FALSE", so !str will return TRUE + bool operator!() const { return IsEmpty(); } // empty string contents void Empty() { @@ -295,55 +340,84 @@ public: // data access (all indexes are 0 based) // read access - char GetChar(size_t n) const + wxChar GetChar(size_t n) const { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } // read/write access - char& GetWritableChar(size_t n) + wxChar& GetWritableChar(size_t n) { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } // write access - void SetChar(size_t n, char ch) + void SetChar(size_t n, wxChar ch) { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; } // get last character - char Last() const + wxChar Last() const { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; } // get writable last character - char& Last() + wxChar& Last() { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; } - // on alpha-linux this gives overload problems: - // Also on Solaris, so removing for now (JACS) -#if ! defined(__ALPHA__) + // 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 - char operator[](size_t n) const + wxChar operator[](size_t n) const { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } #endif // operator version of GetChar - char operator[](int n) const + wxChar operator[](int n) const { ASSERT_VALID_INDEX( n ); return m_pchData[n]; } // operator version of GetWritableChar - char& operator[](size_t n) + wxChar& operator[](size_t n) { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; } // implicit conversion to C string - operator const char*() const { return m_pchData; } + operator const wxChar*() const { return m_pchData; } // explicit conversion to C string (use this with printf()!) - const char* c_str() const { return m_pchData; } + const wxChar* c_str() const { return m_pchData; } + // (and this with [wx]Printf()!) + const wxChar* wx_str() const { return m_pchData; } // - const char* GetData() const { return m_pchData; } + const wxChar* GetData() const { return m_pchData; } +#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; } +#endif +#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); } +#endif + const wxChar* fn_str() const { return m_pchData; } +#endif + // for convenience + const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); } // overloaded assignment // from another wxString wxString& operator=(const wxString& stringSrc); // from a character - wxString& operator=(char ch); + wxString& operator=(wxChar ch); // from a C string - wxString& operator=(const char *psz); + wxString& operator=(const wxChar *psz); +#if wxUSE_UNICODE + // from wxWCharBuffer + wxString& operator=(const wxWCharBuffer& psz) { return operator=((const wchar_t *)psz); } +#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); +#endif + // from wxCharBuffer + wxString& operator=(const wxCharBuffer& psz) { return operator=((const char *)psz); } +#endif // string concatenation // in place concatenation @@ -361,23 +435,32 @@ public: return *this; } // string += C string - wxString& operator<<(const char *psz) - { ConcatSelf(Strlen(psz), psz); return *this; } + wxString& operator<<(const wxChar *psz) + { ConcatSelf(wxStrlen(psz), psz); return *this; } // string += char - wxString& operator<<(char ch) { ConcatSelf(1, &ch); return *this; } + wxString& operator<<(wxChar ch) { ConcatSelf(1, &ch); return *this; } // string += string void operator+=(const wxString& s) { (void)operator<<(s); } // string += C string - void operator+=(const char *psz) { (void)operator<<(psz); } + void operator+=(const wxChar *psz) { (void)operator<<(psz); } // string += char - void operator+=(char ch) { (void)operator<<(ch); } + void operator+=(wxChar ch) { (void)operator<<(ch); } + + // string += buffer (i.e. from wxGetString) +#if wxUSE_UNICODE + wxString& operator<<(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); return *this; } + void operator+=(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); } +#else + wxString& operator<<(const wxCharBuffer& s) { (void)operator<<((const char *)s); return *this; } + void operator+=(const wxCharBuffer& s) { (void)operator<<((const char *)s); } +#endif // string += C string - wxString& Append(const char* psz) - { ConcatSelf(Strlen(psz), psz); return *this; } + wxString& Append(const wxChar* psz) + { ConcatSelf(wxStrlen(psz), psz); return *this; } // append count copies of given character - wxString& Append(char ch, size_t count = 1u) + wxString& Append(wxChar ch, size_t count = 1u) { wxString str(ch, count); return *this << str; } // prepend a string, return the string itself @@ -388,13 +471,13 @@ public: // friend wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); // - friend wxString WXDLLEXPORT operator+(const wxString& string, char ch); + friend wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); // - friend wxString WXDLLEXPORT operator+(char ch, const wxString& string); + friend wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); // - friend wxString WXDLLEXPORT operator+(const wxString& string, const char *psz); + friend wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); // - friend wxString WXDLLEXPORT operator+(const char *psz, const wxString& string); + friend wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); // stream-like functions // insert an int into string @@ -403,21 +486,27 @@ public: wxString& operator<<(float f); // insert a double into string wxString& operator<<(double d); - + // string comparison - // case-sensitive comparison: return 0 if =, +1 if > or -1 if < - int Cmp(const char *psz) const { return strcmp(c_str(), psz); } + // case-sensitive comparison (returns a value < 0, = 0 or > 0) + int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); } // same as Cmp() but not case-sensitive - int CmpNoCase(const char *psz) const { return Stricmp(c_str(), psz); } + int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); } // test for the string equality, either considering case or not // (if compareWithCase then the case matters) - bool IsSameAs(const char *psz, bool compareWithCase = TRUE) const + bool IsSameAs(const wxChar *psz, bool compareWithCase = TRUE) const { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; } + // comparison with a signle character: returns TRUE if equal + bool IsSameAs(wxChar c, bool compareWithCase = TRUE) const + { + return (Len() == 1) && (compareWithCase ? GetChar(0u) == c + : wxToupper(GetChar(0u)) == wxToupper(c)); + } // simple sub-string extraction // return substring starting at nFirst of length nCount (or till the end // if nCount = default value) - wxString Mid(size_t nFirst, size_t nCount = STRING_MAXLEN) const; + wxString Mid(size_t nFirst, size_t nCount = wxSTRING_MAXLEN) const; // operator version of Mid() wxString operator()(size_t start, size_t len) const @@ -429,54 +518,59 @@ public: wxString Right(size_t nCount) const; // get all characters before the first occurence of ch // (returns the whole string if ch not found) - wxString BeforeFirst(char ch) const; + wxString BeforeFirst(wxChar ch) const; // get all characters before the last occurence of ch // (returns empty string if ch not found) - wxString BeforeLast(char ch) const; + wxString BeforeLast(wxChar ch) const; // get all characters after the first occurence of ch // (returns empty string if ch not found) - wxString AfterFirst(char ch) const; + wxString AfterFirst(wxChar ch) const; // get all characters after the last occurence of ch // (returns the whole string if ch not found) - wxString AfterLast(char ch) const; + wxString AfterLast(wxChar ch) const; // for compatibility only, use more explicitly named functions above - wxString Before(char ch) const { return BeforeLast(ch); } - wxString After(char ch) const { return AfterFirst(ch); } + wxString Before(wxChar ch) const { return BeforeLast(ch); } + wxString After(wxChar ch) const { return AfterFirst(ch); } // case conversion - // convert to upper case, return the string itself + // convert to upper case in place, return the string itself wxString& MakeUpper(); - // convert to lower case, return the string itself + // convert to upper case, return the copy of the string + // Here's something to remember: BC++ doesn't like returns in inlines. + wxString Upper() const ; + // convert to lower case in place, return the string itself wxString& MakeLower(); + // convert to lower case, return the copy of the string + wxString Lower() const ; // trimming/padding whitespace (either side) and truncating // remove spaces from left or from right (default) side wxString& Trim(bool bFromRight = TRUE); // add nCount copies chPad in the beginning or at the end (default) - wxString& Pad(size_t nCount, char chPad = ' ', bool bFromRight = TRUE); + wxString& Pad(size_t nCount, wxChar chPad = _T(' '), bool bFromRight = TRUE); // truncate string to given length wxString& Truncate(size_t uiLen); // searching and replacing // searching (return starting index, or -1 if not found) - int Find(char ch, bool bFromEnd = FALSE) const; // like strchr/strrchr + int Find(wxChar ch, bool bFromEnd = FALSE) const; // like strchr/strrchr // searching (return starting index, or -1 if not found) - int Find(const char *pszSub) const; // like strstr + int Find(const wxChar *pszSub) const; // like strstr // replace first (or all of bReplaceAll) occurences of substring with // another string, returns the number of replacements made - size_t Replace(const char *szOld, - const char *szNew, + size_t Replace(const wxChar *szOld, + const wxChar *szNew, bool bReplaceAll = TRUE); // check if the string contents matches a mask containing '*' and '?' - bool Matches(const char *szMask) const; + bool Matches(const wxChar *szMask) const; // formated input/output // as sprintf(), returns the number of characters written or < 0 on error - int Printf(const char *pszFormat, ...); + int Printf(const wxChar *pszFormat, ...); // as vprintf(), returns the number of characters written or < 0 on error - int PrintfV(const char* pszFormat, va_list argptr); + int PrintfV(const wxChar* pszFormat, va_list argptr); // raw access to string memory // ensure that string has space for at least nLen characters @@ -487,7 +581,7 @@ public: void Shrink(); // get writable buffer of at least nLen bytes. Unget() *must* be called // a.s.a.p. to put string back in a reasonable state! - char *GetWriteBuf(size_t nLen); + wxChar *GetWriteBuf(size_t nLen); // call this immediately after GetWriteBuf() has been used void UngetWriteBuf(); @@ -500,24 +594,18 @@ public: enum caseCompare {exact, ignoreCase}; // values for first parameter of Strip function enum stripType {leading = 0x1, trailing = 0x2, both = 0x3}; + // use Printf() - inline int sprintf(const char *pszFormat, ...) - { - va_list argptr; - va_start(argptr, pszFormat); - int iLen = PrintfV(pszFormat, argptr); - va_end(argptr); - return iLen; - } + int sprintf(const wxChar *pszFormat, ...); // use Cmp() - inline int CompareTo(const char* psz, caseCompare cmp = exact) const + inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const { return cmp == exact ? Cmp(psz) : CmpNoCase(psz); } // use Len size_t Length() const { return Len(); } // Count the number of characters - int Freq(char ch) const; + int Freq(wxChar ch) const; // use MakeLower void LowerCase() { MakeLower(); } // use MakeUpper @@ -526,8 +614,8 @@ public: wxString Strip(stripType w = trailing) const; // use Find (more general variants not yet supported) - size_t Index(const char* psz) const { return Find(psz); } - size_t Index(char ch) const { return Find(ch); } + size_t Index(const wxChar* psz) const { return Find(psz); } + size_t Index(wxChar ch) const { return Find(ch); } // use Truncate wxString& Remove(size_t pos) { return Truncate(pos); } wxString& RemoveLast() { return Truncate(Len() - 1); } @@ -535,10 +623,10 @@ public: wxString& Remove(size_t nStart, size_t nLen) { return erase( nStart, nLen ); } // use Find() - int First( const char ch ) const { return Find(ch); } - int First( const char* psz ) const { return Find(psz); } + int First( const wxChar ch ) const { return Find(ch); } + int First( const wxChar* psz ) const { return Find(psz); } int First( const wxString &str ) const { return Find(str); } - int Last( const char ch ) const { return Find(ch, TRUE); } + int Last( const wxChar ch ) const { return Find(ch, TRUE); } bool Contains(const wxString& str) const { return Find(str) != -1; } // use IsEmpty() @@ -547,6 +635,10 @@ public: #ifdef wxSTD_STRING_COMPATIBILITY // std::string compatibility functions + // standard types + typedef wxChar value_type; + typedef const value_type *const_iterator; + // an 'invalid' value for string index static const size_t npos; @@ -566,9 +658,9 @@ public: // return the length of the string size_t length() const { return Len(); } // return the maximum size of the string - size_t max_size() const { return STRING_MAXLEN; } + size_t max_size() const { return wxSTRING_MAXLEN; } // resize the string, filling the space with c if c != 0 - void resize(size_t nSize, char ch = '\0'); + void resize(size_t nSize, wxChar ch = _T('\0')); // delete the contents of the string void clear() { Empty(); } // returns true if the string is empty @@ -576,9 +668,14 @@ public: // lib.string.access // return the character at position n - char at(size_t n) const { return GetChar(n); } + wxChar at(size_t n) const { return GetChar(n); } // returns the writable character at position n - char& at(size_t n) { return GetWritableChar(n); } + wxChar& at(size_t n) { return GetWritableChar(n); } + + // first valid index position + const_iterator begin() const { return wx_str(); } + // position one after the last valid one + const_iterator end() const { return wx_str() + length(); } // lib.string.modifiers // append a string @@ -588,50 +685,50 @@ public: wxString& append(const wxString& str, size_t pos, size_t n) { ConcatSelf(n, str.c_str() + pos); return *this; } // append first n (or all if n == npos) characters of sz - wxString& append(const char *sz, size_t n = npos) - { ConcatSelf(n == npos ? Strlen(sz) : n, sz); return *this; } + wxString& append(const wxChar *sz, size_t n = npos) + { ConcatSelf(n == npos ? wxStrlen(sz) : n, sz); return *this; } // append n copies of ch - wxString& append(size_t n, char ch) { return Pad(n, ch); } + wxString& append(size_t n, wxChar ch) { return Pad(n, ch); } // same as `this_string = str' wxString& assign(const wxString& str) { return (*this) = str; } // same as ` = str[pos..pos + n] wxString& assign(const wxString& str, size_t pos, size_t n) - { return *this = wxString((const char *)str + pos, n); } + { return *this = wxString((const wxChar *)str + pos, n); } // same as `= first n (or all if n == npos) characters of sz' - wxString& assign(const char *sz, size_t n = npos) + wxString& assign(const wxChar *sz, size_t n = npos) { return *this = wxString(sz, n); } // same as `= n copies of ch' - wxString& assign(size_t n, char ch) + wxString& assign(size_t n, wxChar ch) { return *this = wxString(ch, n); } // insert another string wxString& insert(size_t nPos, const wxString& str); // insert n chars of str starting at nStart (in str) wxString& insert(size_t nPos, const wxString& str, size_t nStart, size_t n) - { return insert(nPos, wxString((const char *)str + nStart, n)); } + { return insert(nPos, wxString((const wxChar *)str + nStart, n)); } // insert first n (or all if n == npos) characters of sz - wxString& insert(size_t nPos, const char *sz, size_t n = npos) + wxString& insert(size_t nPos, const wxChar *sz, size_t n = npos) { return insert(nPos, wxString(sz, n)); } // insert n copies of ch - wxString& insert(size_t nPos, size_t n, char ch) + wxString& insert(size_t nPos, size_t n, wxChar ch) { return insert(nPos, wxString(ch, n)); } // delete characters from nStart to nStart + nLen wxString& erase(size_t nStart = 0, size_t nLen = npos); // replaces the substring of length nLen starting at nStart - wxString& replace(size_t nStart, size_t nLen, const char* sz); + wxString& replace(size_t nStart, size_t nLen, const wxChar* sz); // replaces the substring with nCount copies of ch - wxString& replace(size_t nStart, size_t nLen, size_t nCount, char ch); + wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxChar ch); // replaces a substring with another substring wxString& replace(size_t nStart, size_t nLen, const wxString& str, size_t nStart2, size_t nLen2); // replaces the substring with first nCount chars of sz wxString& replace(size_t nStart, size_t nLen, - const char* sz, size_t nCount); + const wxChar* sz, size_t nCount); // swap two strings void swap(wxString& str); @@ -644,15 +741,15 @@ public: size_t find(const wxString& str, size_t nStart = 0) const; // VC++ 1.5 can't cope with this syntax. -#if !(defined(_MSC_VER) && !defined(__WIN32__)) +#if !defined(__VISUALC__) || defined(__WIN32__) // find first n characters of sz - size_t find(const char* sz, size_t nStart = 0, size_t n = npos) const; + size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; #endif // Gives a duplicate symbol (presumably a case-insensitivity problem) #if !defined(__BORLANDC__) // find the first occurence of character ch after nStart - size_t find(char ch, size_t nStart = 0) const; + size_t find(wxChar ch, size_t nStart = 0) const; #endif // rfind() family is exactly like find() but works right to left @@ -660,43 +757,48 @@ public: size_t rfind(const wxString& str, size_t nStart = npos) const; // VC++ 1.5 can't cope with this syntax. -#if ! (defined(_MSC_VER) && !defined(__WIN32__)) +#if !defined(__VISUALC__) || defined(__WIN32__) // as find, but from the end - size_t rfind(const char* sz, size_t nStart = npos, + size_t rfind(const wxChar* sz, size_t nStart = npos, size_t n = npos) const; // as find, but from the end - size_t rfind(char ch, size_t nStart = npos) const; + size_t rfind(wxChar ch, size_t nStart = npos) const; #endif // find first/last occurence of any character in the set - // - size_t find_first_of(const wxString& str, size_t nStart = 0) const; - // - size_t find_first_of(const char* sz, size_t nStart = 0) const; + // as strpbrk() but starts at nStart, returns npos if not found + size_t find_first_of(const wxString& str, size_t nStart = 0) const + { return find_first_of(str.c_str(), nStart); } + // same as above + size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; // same as find(char, size_t) - size_t find_first_of(char c, size_t nStart = 0) const; - // - size_t find_last_of (const wxString& str, size_t nStart = npos) const; - // - size_t find_last_of (const char* s, size_t nStart = npos) const; - // same as rfind(char, size_t) - size_t find_last_of (char c, size_t nStart = npos) const; + size_t find_first_of(wxChar c, size_t nStart = 0) const + { return find(c, nStart); } + // find the last (starting from nStart) char from str in this string + size_t find_last_of (const wxString& str, size_t nStart = npos) const + { return find_last_of(str.c_str(), nStart); } + // same as above + size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; + // same as above + size_t find_last_of(wxChar c, size_t nStart = npos) const + { return rfind(c, nStart); } // find first/last occurence of any character not in the set - // - size_t find_first_not_of(const wxString& str, size_t nStart = 0) const; - // - size_t find_first_not_of(const char* s, size_t nStart = 0) const; - // - size_t find_first_not_of(char ch, size_t nStart = 0) const; - // + // 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; - // - size_t find_last_not_of(const char* s, size_t nStart = npos) const; - // - size_t find_last_not_of(char ch, size_t nStart = npos) const; + // same as above + size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; + // same as above + size_t find_last_not_of(wxChar ch, size_t nStart = npos) const; // All compare functions return -1, 0 or 1 if the [sub]string is less, // equal or greater than the compare() argument. @@ -709,10 +811,10 @@ public: int compare(size_t nStart, size_t nLen, const wxString& str, size_t nStart2, size_t nLen2) const; // just like strcmp() - int compare(const char* sz) const { return Cmp(sz); } + int compare(const wxChar* sz) const { return Cmp(sz); } // substring comparison with first nCount characters of sz int compare(size_t nStart, size_t nLen, - const char* sz, size_t nCount = npos) const; + const wxChar* sz, size_t nCount = npos) const; // substring extraction wxString substr(size_t nStart = 0, size_t nLen = npos) const; @@ -736,6 +838,10 @@ public: class WXDLLEXPORT wxArrayString { public: + // type of function used by wxArrayString::Sort() + typedef int (*CompareFunction)(const wxString& first, + const wxString& second); + // constructors and destructor // default ctor wxArrayString(); @@ -778,94 +884,118 @@ public: // bFromEnd is FALSE or from end otherwise. If bCase, comparison is case // sensitive (default). Returns index of the first item matched or // wxNOT_FOUND - int Index (const char *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const; + 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 char *sz); + void Remove(const wxChar *sz); // remove item by index void Remove(size_t nIndex); - // sort array elements - void Sort(bool bCase = TRUE, bool bReverse = FALSE); + // 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); private: void Grow(); // makes array bigger if needed void Free(); // free the string stored + void DoSort(); // common part of all Sort() variants + size_t m_nSize, // current size of the array m_nCount; // current number of elements - char **m_pItems; // pointer to data + wxChar **m_pItems; // pointer to data }; // --------------------------------------------------------------------------- // wxString comparison functions: operator versions are always case sensitive // --------------------------------------------------------------------------- + // inline bool operator==(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) == 0); } // -inline bool operator==(const wxString& s1, const char * s2) { return (s1.Cmp(s2) == 0); } +inline bool operator==(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) == 0); } // -inline bool operator==(const char * s1, const wxString& s2) { return (s2.Cmp(s1) == 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 char * s2) { return (s1.Cmp(s2) != 0); } +inline bool operator!=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) != 0); } // -inline bool operator!=(const char * s1, const wxString& s2) { return (s2.Cmp(s1) != 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 char * s2) { return (s1.Cmp(s2) < 0); } +inline bool operator< (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) < 0); } // -inline bool operator< (const char * s1, const wxString& s2) { return (s2.Cmp(s1) > 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 char * s2) { return (s1.Cmp(s2) > 0); } +inline bool operator> (const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) > 0); } // -inline bool operator> (const char * s1, const wxString& s2) { return (s2.Cmp(s1) < 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 char * s2) { return (s1.Cmp(s2) <= 0); } +inline bool operator<=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) <= 0); } // -inline bool operator<=(const char * s1, const wxString& s2) { return (s2.Cmp(s1) >= 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 char * s2) { return (s1.Cmp(s2) >= 0); } +inline bool operator>=(const wxString& s1, const wxChar * s2) { return (s1.Cmp(s2) >= 0); } // -inline bool operator>=(const char * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); } +inline bool operator>=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); } + +// comparison with char +inline bool operator==(wxChar c, const wxString& s) { return s.IsSameAs(c); } +inline bool operator==(const wxString& s, wxChar c) { return s.IsSameAs(c); } +inline bool operator!=(wxChar c, const wxString& s) { return !s.IsSameAs(c); } +inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); } + +#if wxUSE_UNICODE +inline bool operator==(const wxString& s1, const wxWCharBuffer& s2) + { return (s1.Cmp((const wchar_t *)s2) == 0); } +inline bool operator==(const wxWCharBuffer& s1, const wxString& s2) + { return (s2.Cmp((const wchar_t *)s1) == 0); } +#else +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 wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2); -wxString WXDLLEXPORT operator+(const wxString& string, char ch); -wxString WXDLLEXPORT operator+(char ch, const wxString& string); -wxString WXDLLEXPORT operator+(const wxString& string, const char *psz); -wxString WXDLLEXPORT operator+(const char *psz, const wxString& string); +wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch); +wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string); +wxString WXDLLEXPORT operator+(const wxString& string, const wxChar *psz); +wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string); +#if wxUSE_UNICODE +inline wxString 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 // --------------------------------------------------------------------------- // Implementation only from here until the end of file // --------------------------------------------------------------------------- -#ifdef wxSTD_STRING_COMPATIBILITY +#if defined(wxSTD_STRING_COMPATIBILITY) && wxUSE_STD_IOSTREAM -// forward declare iostream -// Known not to work with wxUSE_IOSTREAMH set to 0, so -// replacing with includes (on advice of ungod@pasdex.com.au) -// class WXDLLEXPORT istream; -#if wxUSE_IOSTREAMH -// N.B. BC++ doesn't have istream.h, ostream.h -#include -#else -#include -# ifdef _MSC_VER - using namespace std; -# endif -#endif +#include "wx/ioswrap.h" WXDLLEXPORT istream& operator>>(istream& is, wxString& str);