X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fb52c2b67139da20b026475aa48d73522e6afe2b..7708a267207473783f88cae047b78adaecf83675:/include/wx/string.h diff --git a/include/wx/string.h b/include/wx/string.h index 73a09e30cc..208f343912 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -1,6 +1,6 @@ /////////////////////////////////////////////////////////////////////////////// // Name: wx/string.h -// Purpose: wxString and wxArrayString classes +// Purpose: wxString class // Author: Vadim Zeitlin // Modified by: // Created: 29/01/98 @@ -15,8 +15,8 @@ missing from string.h. */ -#ifndef _WX_WXSTRINGH__ -#define _WX_WXSTRINGH__ +#ifndef _WX_WXSTRING_H__ +#define _WX_WXSTRING_H__ // ---------------------------------------------------------------------------- // headers @@ -52,10 +52,11 @@ #endif #include "wx/wxchar.h" // for wxChar, wxStrlen() etc. -#include "wx/unichar.h" #include "wx/strvararg.h" #include "wx/buffer.h" // for wxCharBuffer #include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes +#include "wx/stringimpl.h" +#include "wx/unichar.h" class WXDLLIMPEXP_BASE wxString; @@ -70,10 +71,6 @@ class WXDLLIMPEXP_BASE wxString; #define wxMBSTRINGCAST (char *)(const char *) #define wxWCSTRINGCAST (wchar_t *)(const wchar_t *) -// implementation only -#define wxASSERT_VALID_INDEX(i) \ - wxASSERT_MSG( (size_t)(i) <= length(), _T("invalid index in wxString") ) - // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -83,17 +80,10 @@ class WXDLLIMPEXP_BASE wxString; // deprecated in favour of wxString::npos, don't use in new code // // maximum possible length for a string means "take all string" everywhere -#define wxSTRING_MAXLEN wxStringBase::npos +#define wxSTRING_MAXLEN wxString::npos #endif // WXWIN_COMPATIBILITY_2_6 -// ---------------------------------------------------------------------------- -// global data -// ---------------------------------------------------------------------------- - -// global pointer to empty string -extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxEmptyString; - // --------------------------------------------------------------------------- // global functions complementing standard C string library replacements for // strlen() and portable strcasecmp() @@ -173,599 +163,6 @@ inline int Stricmp(const char *psz1, const char *psz2) #endif // WXWIN_COMPATIBILITY_2_8 -// ---------------------------------------------------------------------------- -// deal with STL/non-STL/non-STL-but-wxUSE_STD_STRING -// ---------------------------------------------------------------------------- - -// FIXME-UTF8: using std::string as wxString base class is currently broken, -// so we use the standard wxString with std::string conversion -// enabled, this is API-compatible. -#define wxUSE_STL_BASED_WXSTRING 0 -#if wxUSE_STL - #undef wxUSE_STD_STRING - #define wxUSE_STD_STRING 1 -#endif -//#define wxUSE_STL_BASED_WXSTRING wxUSE_STL - -// in both cases we need to define wxStdString -#if wxUSE_STL_BASED_WXSTRING || wxUSE_STD_STRING - -#include "wx/beforestd.h" -#include -#include "wx/afterstd.h" - -#if wxUSE_UNICODE - #ifdef HAVE_STD_WSTRING - typedef std::wstring wxStdString; - #else - typedef std::basic_string wxStdString; - #endif -#else - typedef std::string wxStdString; -#endif - -#endif // need - -#if wxUSE_STL_BASED_WXSTRING - - // we don't need an extra ctor from std::string when copy ctor already does - // the work - #undef wxUSE_STD_STRING - #define wxUSE_STD_STRING 0 - - #if (defined(__GNUG__) && (__GNUG__ < 3)) || \ - (defined(_MSC_VER) && (_MSC_VER <= 1200)) - #define wxSTRING_BASE_HASNT_CLEAR - #endif - - typedef wxStdString wxStringBase; -#else // if !wxUSE_STL_BASED_WXSTRING - -#if !defined(HAVE_STD_STRING_COMPARE) && \ - (!defined(__WX_SETUP_H__) || wxUSE_STL_BASED_WXSTRING == 0) - #define HAVE_STD_STRING_COMPARE -#endif - -// --------------------------------------------------------------------------- -// string data prepended with some housekeeping info (used by wxString class), -// is never used directly (but had to be put here to allow inlining) -// --------------------------------------------------------------------------- - -struct WXDLLIMPEXP_BASE wxStringData -{ - int nRefs; // reference count - size_t nDataLength, // actual string length - nAllocLength; // allocated memory size - - // 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); } - - // 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 - void Validate(bool b) { nRefs = (b ? 1 : 0); } - bool IsValid() const { return (nRefs != 0); } -}; - -class WXDLLIMPEXP_BASE wxStringBase -{ -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; - - // 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 *)wxEmptyString; } - // initializes the string with (a part of) C-string - void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = npos); - // as Init, but also frees old data - void Reinit() { GetStringData()->Unlock(); Init(); } - - // 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 *); - - // 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); } - - // 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); - - // compatibility with wxString - bool Alloc(size_t nLen); -public: - // standard types - typedef wxUniChar value_type; - typedef wxUniChar char_type; - typedef wxUniCharRef reference; - typedef wxChar* pointer; - typedef const wxChar* const_pointer; - - typedef size_t size_type; - typedef wxUniChar const_reference; - - #define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, \ - reference_type, reference_ctor) \ - public: \ - typedef wxUniChar value_type; \ - typedef reference_type reference; \ - typedef pointer_type pointer; \ - \ - iterator_name(const iterator_name& i) : m_cur(i.m_cur) {} \ - \ - reference operator*() const { return reference_ctor; } \ - \ - iterator_name& operator++() \ - { ++m_cur; return *this; } \ - iterator_name operator++(int) \ - { iterator_name tmp = *this; ++m_cur; return tmp; } \ - iterator_name& operator--() \ - { --m_cur; return *this; } \ - iterator_name operator--(int) \ - { iterator_name tmp = *this; --m_cur; return tmp; } \ - \ - iterator_name operator+(int n) const \ - { return iterator_name(m_cur + n); } \ - iterator_name operator+(size_t n) const \ - { return iterator_name(m_cur + n); } \ - iterator_name operator-(int n) const \ - { return iterator_name(m_cur - n); } \ - iterator_name operator-(size_t n) const \ - { return iterator_name(m_cur - n); } \ - iterator_name operator+=(int n) \ - { m_cur += n; return *this; } \ - iterator_name operator+=(size_t n) \ - { m_cur += n; return *this; } \ - iterator_name operator-=(int n) \ - { m_cur -= n; return *this; } \ - iterator_name operator-=(size_t n) \ - { m_cur -= n; return *this; } \ - \ - unsigned operator-(const iterator_name& i) const \ - { return m_cur - i.m_cur; } \ - \ - bool operator==(const iterator_name&i) const \ - { return m_cur == i.m_cur; } \ - bool operator!=(const iterator_name& i) const \ - { return m_cur != i.m_cur; } \ - \ - bool operator<(const iterator_name& i) const \ - { return m_cur < i.m_cur; } \ - bool operator>(const iterator_name& i) const \ - { return m_cur > i.m_cur; } \ - bool operator<=(const iterator_name& i) const \ - { return m_cur <= i.m_cur; } \ - bool operator>=(const iterator_name& i) const \ - { return m_cur >= i.m_cur; } \ - \ - protected: \ - /* for internal wxString use only: */ \ - iterator_name(pointer ptr) : m_cur(ptr) {} \ - operator pointer() const { return m_cur; } \ - \ - friend class WXDLLIMPEXP_BASE wxString; \ - friend class WXDLLIMPEXP_BASE wxStringBase; \ - friend class WXDLLIMPEXP_BASE wxCStrData; \ - \ - protected: \ - pointer m_cur; - - class const_iterator; - - class iterator - { - WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef, - wxUniCharRef::CreateForString(m_cur)) - - friend class const_iterator; - }; - - class const_iterator - { - // NB: reference_type is intentionally value, not reference, the character - // may be encoded differently in wxString data: - WX_STR_ITERATOR_IMPL(const_iterator, const wxChar*, wxUniChar, - wxUniChar(*m_cur)) - - public: - const_iterator(const iterator& i) : m_cur(i.m_cur) {} - }; - - #undef WX_STR_ITERATOR - - template - class reverse_iterator_impl - { - public: - typedef T iterator_type; - typedef typename T::value_type value_type; - typedef typename T::reference reference; - typedef typename T::pointer *pointer; - - reverse_iterator_impl(iterator_type i) : m_cur(i) {} - reverse_iterator_impl(const reverse_iterator_impl& ri) - : m_cur(ri.m_cur) {} - - iterator_type base() const { return m_cur; } - - reference operator*() const { return *(m_cur-1); } - - reverse_iterator_impl& operator++() - { --m_cur; return *this; } - reverse_iterator_impl operator++(int) - { reverse_iterator_impl tmp = *this; --m_cur; return tmp; } - reverse_iterator_impl& operator--() - { ++m_cur; return *this; } - reverse_iterator_impl operator--(int) - { reverse_iterator_impl tmp = *this; ++m_cur; return tmp; } - - bool operator==(const reverse_iterator_impl& ri) const - { return m_cur == ri.m_cur; } - bool operator!=(const reverse_iterator_impl& ri) const - { return !(*this == ri); } - - private: - iterator_type m_cur; - }; - - typedef reverse_iterator_impl reverse_iterator; - typedef reverse_iterator_impl const_reverse_iterator; - - - // 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, wxUniChar ch); - // ctor takes first nLength characters from C string - // (default value of npos means take all the string) - wxStringBase(const wxChar *psz) - { InitWith(psz, 0, npos); } - wxStringBase(const wxChar *psz, size_t nLength) - { InitWith(psz, 0, nLength); } - wxStringBase(const wxChar *psz, - const wxMBConv& WXUNUSED(conv), - size_t nLength = npos) - { InitWith(psz, 0, nLength); } - // take nLen chars starting at nPos - wxStringBase(const wxStringBase& str, size_t nPos, size_t nLen) - { - wxASSERT_MSG( str.GetStringData()->IsValid(), - _T("did you forget to call UngetWriteBuf()?") ); - Init(); - size_t strLen = str.length() - nPos; nLen = strLen < nLen ? strLen : nLen; - InitWith(str.c_str(), nPos, nLen); - } - // take all characters from pStart to pEnd - wxStringBase(const void *pStart, const void *pEnd); - - // dtor is not virtual, this class must not be inherited from! - ~wxStringBase() - { -#if defined(__VISUALC__) && (__VISUALC__ >= 1200) - //RN - according to the above VC++ does indeed inline this, - //even though it spits out two warnings - #pragma warning (disable:4714) -#endif - - GetStringData()->Unlock(); - } - -#if defined(__VISUALC__) && (__VISUALC__ >= 1200) - //re-enable inlining warning - #pragma warning (default:4714) -#endif - // overloaded assignment - // from another wxString - wxStringBase& operator=(const wxStringBase& stringSrc); - // from a character - wxStringBase& operator=(wxUniChar ch); - // from a C string - wxStringBase& operator=(const wxChar *psz); - - // return the length of the string - size_type length() const { return GetStringData()->nDataLength; } - // return the length of the string - size_type size() const { return length(); } - // return the maximum size of the string - size_type max_size() const { return npos; } - // resize the string, filling the space with c if c != 0 - void resize(size_t nSize, wxUniChar ch = wxT('\0')); - // delete the contents of the string - void clear() { erase(0, npos); } - // returns true if the string is empty - bool empty() const { return length() == 0; } - // inform string about planned change in size - void reserve(size_t sz) { Alloc(sz); } - size_type capacity() const { return GetStringData()->nAllocLength; } - - // lib.string.access - // return the character at position n - value_type at(size_type n) const - { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } - // returns the writable character at position n - reference at(size_type n) - { - wxASSERT_VALID_INDEX( n ); - CopyBeforeWrite(); - return wxUniCharRef::CreateForString(&m_pchData[n]); - } - - // lib.string.modifiers - // append elements str[pos], ..., str[pos+n] - wxStringBase& append(const wxStringBase& str, size_t pos, size_t n) - { - wxASSERT(pos <= str.length()); - ConcatSelf(n, str.c_str() + pos, str.length() - pos); - return *this; - } - // append a string - wxStringBase& append(const wxStringBase& str) - { ConcatSelf(str.length(), str.c_str()); return *this; } - // append first n (or all if n == npos) characters of sz - wxStringBase& append(const wxChar *sz) - { ConcatSelf(wxStrlen(sz), sz); return *this; } - wxStringBase& append(const wxChar *sz, size_t n) - { ConcatSelf(n, sz); return *this; } - // append n copies of ch - wxStringBase& append(size_t n, wxUniChar ch); - // append from first to last - wxStringBase& append(const_iterator first, const_iterator last) - { ConcatSelf(last - first, first); return *this; } - - // same as `this_string = str' - wxStringBase& assign(const wxStringBase& str) - { return *this = str; } - // same as ` = str[pos..pos + n] - wxStringBase& assign(const wxStringBase& str, size_t pos, size_t n) - { clear(); return append(str, pos, n); } - // same as `= first n (or all if n == npos) characters of sz' - wxStringBase& assign(const wxChar *sz) - { clear(); return append(sz, wxStrlen(sz)); } - wxStringBase& assign(const wxChar *sz, size_t n) - { clear(); return append(sz, n); } - // same as `= n copies of ch' - wxStringBase& assign(size_t n, wxUniChar ch) - { clear(); return append(n, ch); } - // assign from first to last - wxStringBase& assign(const_iterator first, const_iterator last) - { clear(); return append(first, last); } - - // first valid index position - const_iterator begin() const { return m_pchData; } - iterator begin(); - // position one after the last valid one - const_iterator end() const { return m_pchData + length(); } - iterator end(); - - // first element of the reversed string - const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); } - reverse_iterator rbegin() { return reverse_iterator(end()); } - // one beyond the end of the reversed string - const_reverse_iterator rend() const { return const_reverse_iterator(begin()); } - reverse_iterator rend() { return reverse_iterator(begin()); } - - // insert another string - wxStringBase& insert(size_t nPos, const wxStringBase& str) - { - wxASSERT( str.GetStringData()->IsValid() ); - return insert(nPos, str.c_str(), str.length()); - } - // insert n chars of str starting at nStart (in str) - wxStringBase& insert(size_t nPos, const wxStringBase& str, size_t nStart, size_t n) - { - wxASSERT( str.GetStringData()->IsValid() ); - wxASSERT( nStart < str.length() ); - size_t strLen = str.length() - nStart; - n = strLen < n ? strLen : n; - return insert(nPos, str.c_str() + nStart, n); - } - // insert first n (or all if n == npos) characters of sz - wxStringBase& insert(size_t nPos, const wxChar *sz, size_t n = npos); - // insert n copies of ch - wxStringBase& insert(size_t nPos, size_t n, wxUniChar ch) - { return insert(nPos, wxStringBase(n, ch)); } - iterator insert(iterator it, wxUniChar ch) - { size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; } - void insert(iterator it, const_iterator first, const_iterator last) - { insert(it - begin(), first, last - first); } - void insert(iterator it, size_type n, wxUniChar ch) - { insert(it - begin(), n, ch); } - - // delete characters from nStart to nStart + nLen - wxStringBase& erase(size_type pos = 0, size_type n = npos); - iterator erase(iterator first, iterator last) - { - size_t idx = first - begin(); - erase(idx, last - first); - return begin() + idx; - } - iterator erase(iterator first); - - // explicit conversion to C string (use this with printf()!) - const wxChar* c_str() const { return m_pchData; } - const wxChar* data() const { return m_pchData; } - - // replaces the substring of length nLen starting at nStart - wxStringBase& replace(size_t nStart, size_t nLen, const wxChar* sz); - // replaces the substring of length nLen starting at nStart - wxStringBase& replace(size_t nStart, size_t nLen, const wxStringBase& str) - { return replace(nStart, nLen, str.c_str()); } - // replaces the substring with nCount copies of ch - wxStringBase& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch); - // replaces a substring with another substring - wxStringBase& replace(size_t nStart, size_t nLen, - const wxStringBase& str, size_t nStart2, size_t nLen2); - // replaces the substring with first nCount chars of sz - wxStringBase& replace(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount); - wxStringBase& replace(iterator first, iterator last, const_pointer s) - { return replace(first - begin(), last - first, s); } - wxStringBase& replace(iterator first, iterator last, const_pointer s, - size_type n) - { return replace(first - begin(), last - first, s, n); } - wxStringBase& replace(iterator first, iterator last, const wxStringBase& s) - { return replace(first - begin(), last - first, s); } - wxStringBase& replace(iterator first, iterator last, size_type n, wxUniChar c) - { return replace(first - begin(), last - first, n, c); } - wxStringBase& replace(iterator first, iterator last, - const_iterator first1, const_iterator last1) - { return replace(first - begin(), last - first, first1, last1 - first1); } - - // swap two strings - void swap(wxStringBase& str); - - // All find() functions take the nStart argument which specifies the - // position to start the search on, the default value is 0. All functions - // return npos if there were no match. - - // find a substring - size_t find(const wxStringBase& str, size_t nStart = 0) const; - - // find first n characters of sz - size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const; - - // find the first occurence of character ch after nStart - size_t find(wxUniChar ch, size_t nStart = 0) const; - - // rfind() family is exactly like find() but works right to left - - // as find, but from the end - size_t rfind(const wxStringBase& str, size_t nStart = npos) const; - - // as find, but from the end - size_t rfind(const wxChar* sz, size_t nStart = npos, - size_t n = npos) const; - // as find, but from the end - size_t rfind(wxUniChar ch, size_t nStart = npos) const; - - // find first/last occurence of any character in the set - - // as strpbrk() but starts at nStart, returns npos if not found - size_t find_first_of(const wxStringBase& str, size_t nStart = 0) const - { return find_first_of(str.c_str(), nStart); } - // same as above - size_t find_first_of(const wxChar* sz, size_t nStart = 0) const; - size_t find_first_of(const wxChar* sz, size_t nStart, size_t n) const; - // same as find(char, size_t) - size_t find_first_of(wxUniChar c, size_t nStart = 0) const - { return find(c, nStart); } - // find the last (starting from nStart) char from str in this string - size_t find_last_of (const wxStringBase& str, size_t nStart = npos) const - { return find_last_of(str.c_str(), nStart); } - // same as above - size_t find_last_of (const wxChar* sz, size_t nStart = npos) const; - size_t find_last_of(const wxChar* sz, size_t nStart, size_t n) const; - // same as above - size_t find_last_of(wxUniChar c, size_t nStart = npos) const - { return rfind(c, nStart); } - - // find first/last occurence of any character not in the set - - // as strspn() (starting from nStart), returns npos on failure - size_t find_first_not_of(const wxStringBase& str, size_t nStart = 0) const - { return find_first_not_of(str.c_str(), nStart); } - // same as above - size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const; - size_t find_first_not_of(const wxChar* sz, size_t nStart, size_t n) const; - // same as above - size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const; - // as strcspn() - size_t find_last_not_of(const wxStringBase& str, size_t nStart = npos) const - { return find_last_not_of(str.c_str(), nStart); } - // same as above - size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const; - size_t find_last_not_of(const wxChar* sz, size_t nStart, size_t n) const; - // same as above - size_t find_last_not_of(wxUniChar ch, size_t nStart = npos) const; - - // All compare functions return -1, 0 or 1 if the [sub]string is less, - // equal or greater than the compare() argument. - - // comparison with another string - int compare(const wxStringBase& str) const; - // comparison with a substring - int compare(size_t nStart, size_t nLen, const wxStringBase& str) const; - // comparison of 2 substrings - int compare(size_t nStart, size_t nLen, - const wxStringBase& str, size_t nStart2, size_t nLen2) const; - // comparison with a c string - int compare(const wxChar* sz) const; - // substring comparison with first nCount characters of sz - int compare(size_t nStart, size_t nLen, - const wxChar* sz, size_t nCount = npos) const; - - size_type copy(wxChar* s, size_type n, size_type pos = 0); - - // substring extraction - wxStringBase substr(size_t nStart = 0, size_t nLen = npos) const; - - // string += string - wxStringBase& operator+=(const wxStringBase& s) { return append(s); } - // string += C string - wxStringBase& operator+=(const wxChar *psz) { return append(psz); } - // string += char - wxStringBase& operator+=(wxUniChar ch) { return append(1, ch); } - wxStringBase& operator+=(wxUniCharRef ch) { return append(1, ch); } - wxStringBase& operator+=(char ch) { return append(1, ch); } - wxStringBase& operator+=(wchar_t ch) { return append(1, ch); } -}; - -// don't pollute the library user's name space -#undef wxASSERT_VALID_INDEX - -#endif // !wxUSE_STL_BASED_WXSTRING - // ---------------------------------------------------------------------------- // wxCStrData // ---------------------------------------------------------------------------- @@ -785,29 +182,35 @@ public: wxCStrData(char *buf); wxCStrData(wchar_t *buf); - ~wxCStrData(); + inline ~wxCStrData(); - // FIXME: we'll need convertors for both char* and wchar_t* and NONE - // for wxChar*, but that's after completing the transition to - // "smart" wxUniChar class. For now, just have conversion to - // char* in ANSI build and wchar_t in Unicode build. -#if wxUSE_UNICODE + // methods defined inline below must be declared inline or mingw32 3.4.5 + // warns about " defined locally after being referenced with + // dllimport linkage" +#if wxUSE_UNICODE_WCHAR + inline +#endif const wchar_t* AsWChar() const; operator const wchar_t*() const { return AsWChar(); } -#else + + inline operator bool() const; + +#if !wxUSE_UNICODE + inline +#endif const char* AsChar() const; const unsigned char* AsUnsignedChar() const { return (const unsigned char *) AsChar(); } operator const char*() const { return AsChar(); } operator const unsigned char*() const { return AsUnsignedChar(); } -#endif - wxString AsString() const; - operator wxString() const; + operator const void*() const { return AsChar(); } + + inline wxString AsString() const; // allow expressions like "c_str()[0]": + inline wxUniChar operator[](size_t n) const; wxUniChar operator[](int n) const { return operator[](size_t(n)); } - wxUniChar operator[](size_t n) const; wxUniChar operator[](long n) const { return operator[](size_t(n)); } #ifndef wxSIZE_T_IS_UINT wxUniChar operator[](unsigned int n) const { return operator[](size_t(n)); } @@ -823,9 +226,29 @@ public: wxCStrData operator+(size_t n) const { return wxCStrData(m_str, m_offset + n, m_owned); } + // and these for "str.c_str() + n - 2": + wxCStrData operator-(int n) const + { + wxASSERT_MSG( n <= (int)m_offset, + _T("attempt to construct address before the beginning of the string") ); + return wxCStrData(m_str, m_offset - n, m_owned); + } + wxCStrData operator-(long n) const + { + wxASSERT_MSG( n <= (int)m_offset, + _T("attempt to construct address before the beginning of the string") ); + return wxCStrData(m_str, m_offset - n, m_owned); + } + wxCStrData operator-(size_t n) const + { + wxASSERT_MSG( n <= m_offset, + _T("attempt to construct address before the beginning of the string") ); + return wxCStrData(m_str, m_offset - n, m_owned); + } + // this operator is needed to make expressions like "*c_str()" or // "*(c_str() + 2)" work - wxUniChar operator*() const; + inline wxUniChar operator*() const; private: const wxString *m_str; @@ -910,14 +333,18 @@ protected: #pragma warning (disable:4275) #endif -class WXDLLIMPEXP_BASE wxString : public wxStringBase +class WXDLLIMPEXP_BASE wxString #ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN - ,public wxStringPrintfMixin + : public wxStringPrintfMixin #endif { // NB: special care was taken in arranging the member functions in such order // that all inline functions can be effectively inlined, verify that all // performance critical functions are still inlined if you change order! +public: + // an 'invalid' value for string index, moved to this place due to a CW bug + static const size_t npos; + private: // if we hadn't made these operators private, it would be possible to // compile "wxString s; s = 17;" without any warnings as 17 is implicitly @@ -934,88 +361,469 @@ private: // try `s << i' or `s.Printf("%d", i)' instead wxString(int); + + // buffer for holding temporary substring when using any of the methods + // that take (char*,size_t) or (wchar_t*,size_t) arguments: + // FIXME-UTF8: This will need changes when UTF8 build is introduced + template + struct SubstrBufFromType + { + T data; + size_t len; + + SubstrBufFromType() {} + SubstrBufFromType(const T& data_, size_t len_) + : data(data_), len(len_) {} + }; + +#if wxUSE_UNICODE_UTF8 + // FIXME-UTF8: this will have to use slightly different type +#elif wxUSE_UNICODE_WCHAR + typedef SubstrBufFromType SubstrBufFromWC; + typedef SubstrBufFromType SubstrBufFromMB; +#else + typedef SubstrBufFromType SubstrBufFromMB; + typedef SubstrBufFromType SubstrBufFromWC; +#endif + + + // Functions implementing primitive operations on string data; wxString + // methods and iterators are implemented in terms of it. The differences + // between UTF-8 and wchar_t* representations of the string are mostly + // contained here. + +#if wxUSE_UNICODE + // FIXME-UTF8: This will need changes when UTF8 build is introduced + static SubstrBufFromMB ConvertStr(const char *psz, size_t nLength, + const wxMBConv& conv); +#else + static SubstrBufFromWC ConvertStr(const wchar_t *pwz, size_t nLength, + const wxMBConv& conv); +#endif + +#if !wxUSE_UNICODE_UTF8 // wxUSE_UNICODE_WCHAR or !wxUSE_UNICODE + // returns C string encoded as the implementation expects: + #if wxUSE_UNICODE + static const wchar_t* ImplStr(const wchar_t* str) + { return str ? str : wxT(""); } + static const SubstrBufFromWC ImplStr(const wchar_t* str, size_t n) + { return SubstrBufFromWC(str, (str && n == npos) ? wxWcslen(str) : n); } + static wxWCharBuffer ImplStr(const char* str, + const wxMBConv& conv = wxConvLibc) + { return ConvertStr(str, npos, conv).data; } + static SubstrBufFromMB ImplStr(const char* str, size_t n, + const wxMBConv& conv = wxConvLibc) + { return ConvertStr(str, n, conv); } + #else + static const char* ImplStr(const char* str, + const wxMBConv& WXUNUSED(conv) = wxConvLibc) + { return str ? str : ""; } + static const SubstrBufFromMB ImplStr(const char* str, size_t n, + const wxMBConv& WXUNUSED(conv) = wxConvLibc) + { return SubstrBufFromMB(str, (str && n == npos) ? wxStrlen(str) : n); } + static wxCharBuffer ImplStr(const wchar_t* str) + { return ConvertStr(str, npos, wxConvLibc).data; } + static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n) + { return ConvertStr(str, n, wxConvLibc); } + #endif + + // moves the iterator to the next Unicode character + static void IncIter(wxStringImpl::iterator& i) { ++i; } + static void IncIter(wxStringImpl::const_iterator& i) { ++i; } + // moves the iterator to the previous Unicode character + static void DecIter(wxStringImpl::iterator& i) { --i; } + static void DecIter(wxStringImpl::const_iterator& i) { --i; } + // moves the iterator by n Unicode characters + static wxStringImpl::iterator AddToIter(wxStringImpl::iterator i, int n) + { return i + n; } + static wxStringImpl::const_iterator AddToIter(wxStringImpl::const_iterator i, int n) + { return i + n; } + // returns distance of the two iterators in Unicode characters + static int DiffIters(wxStringImpl::iterator i1, wxStringImpl::iterator i2) + { return i1 - i2; } + static int DiffIters(wxStringImpl::const_iterator i1, wxStringImpl::const_iterator i2) + { return i1 - i2; } + + // encodes the character to a form used to represent it in internal + // representation (returns a string in UTF8 version) + static wxChar EncodeChar(wxUniChar ch) { return (wxChar)ch; } + + // translates position index in wxString to/from index in underlying + // wxStringImpl: + static size_t PosToImpl(size_t pos) { return pos; } + static void PosLenToImpl(size_t pos, size_t len, + size_t *implPos, size_t *implLen) + { *implPos = pos; *implLen = len; } + static size_t LenToImpl(size_t len) { return len; } + static size_t PosFromImpl(size_t pos) { return pos; } + +#else // wxUSE_UNICODE_UTF8 + + typedef char Utf8CharBuffer[5]; + static Utf8CharBuffer EncodeChar(wxUniChar ch); + // returns n copies of ch encoded in UTF-8 string + static wxCharBuffer EncodeNChars(size_t n, wxUniChar ch); + + size_t PosToImpl(size_t pos) const + { + if ( pos == 0 || pos == npos ) + return pos; + else + return wxStringImpl::const_iterator(begin() + pos) - m_impl.begin(); + } + + size_t PosFromImpl(size_t pos) const + { + if ( pos == 0 || pos == npos ) + return pos; + else + return const_iterator(m_impl.begin() + pos) - begin(); + } + + // FIXME: return as-is without copying under UTF8 locale, return + // converted string under other locales - needs wxCharBuffer + // changes + static wxCharBuffer ImplStr(const char* str); + + static wxCharBuffer ImplStr(const wchar_t* str) + { return wxConvUTF8.cWC2MB(str); } +#endif // !wxUSE_UNICODE_UTF8/wxUSE_UNICODE_UTF8 + + public: // constructors and destructor // ctor for an empty string - wxString() : wxStringBase() { } + wxString() {} + // copy ctor - wxString(const wxStringBase& stringSrc) : wxStringBase(stringSrc) { } - wxString(const wxString& stringSrc) : wxStringBase(stringSrc) { } + wxString(const wxStringImpl& stringSrc) : m_impl(stringSrc) { } + wxString(const wxString& stringSrc) : m_impl(stringSrc.m_impl) { } + // string containing nRepeat copies of ch wxString(wxUniChar ch, size_t nRepeat = 1) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(size_t nRepeat, wxUniChar ch) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(wxUniCharRef ch, size_t nRepeat = 1) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(size_t nRepeat, wxUniCharRef ch) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(char ch, size_t nRepeat = 1) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(size_t nRepeat, char ch) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(wchar_t ch, size_t nRepeat = 1) - : wxStringBase(nRepeat, ch) { } + { assign(nRepeat, ch); } wxString(size_t nRepeat, wchar_t ch) - : wxStringBase(nRepeat, ch) { } - // ctor takes first nLength characters from C string - // (default value of npos means take all the string) - wxString(const wxChar *psz) - : wxStringBase(psz ? psz : wxT("")) { } - wxString(const wxChar *psz, size_t nLength) - : wxStringBase(psz, nLength) { } - wxString(const wxChar *psz, - const wxMBConv& WXUNUSED(conv), - size_t nLength = npos) - : wxStringBase(psz, nLength == npos ? wxStrlen(psz) : nLength) { } - - // even if we're not built with wxUSE_STL == 1 it is very convenient to allow - // implicit conversions from std::string to wxString as this allows to use - // the same strings in non-GUI and GUI code, however we don't want to - // unconditionally add this ctor as it would make wx lib dependent on - // libstdc++ on some Linux versions which is bad, so instead we ask the - // client code to define this wxUSE_STD_STRING symbol if they need it -#if wxUSE_STD_STRING - wxString(const wxStdString& s) - : wxStringBase(s.c_str()) { } -#endif // wxUSE_STD_STRING + { assign(nRepeat, ch); } + + // ctors from char* strings: + wxString(const char *psz) + : m_impl(ImplStr(psz)) {} + wxString(const char *psz, const wxMBConv& conv) + : m_impl(ImplStr(psz, conv)) {} + wxString(const char *psz, size_t nLength) + { assign(psz, nLength); } + wxString(const char *psz, const wxMBConv& conv, size_t nLength) + { + SubstrBufFromMB str(ImplStr(psz, nLength, conv)); + m_impl.assign(str.data, str.len); + } + + // and unsigned char*: + wxString(const unsigned char *psz) + : m_impl(ImplStr((const char*)psz)) {} + wxString(const unsigned char *psz, const wxMBConv& conv) + : m_impl(ImplStr((const char*)psz, conv)) {} + wxString(const unsigned char *psz, size_t nLength) + { assign((const char*)psz, nLength); } + wxString(const unsigned char *psz, const wxMBConv& conv, size_t nLength) + { + SubstrBufFromMB str(ImplStr((const char*)psz, nLength, conv)); + m_impl.assign(str.data, str.len); + } + + // ctors from wchar_t* strings: + wxString(const wchar_t *pwz) + : m_impl(ImplStr(pwz)) {} + wxString(const wchar_t *pwz, const wxMBConv& WXUNUSED(conv)) + : m_impl(ImplStr(pwz)) {} + wxString(const wchar_t *pwz, size_t nLength) + { assign(pwz, nLength); } + wxString(const wchar_t *pwz, const wxMBConv& WXUNUSED(conv), size_t nLength) + { assign(pwz, nLength); } + + wxString(const wxCharBuffer& buf) + { assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length + wxString(const wxWCharBuffer& buf) + { assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length + + wxString(const wxCStrData& cstr) + : m_impl(cstr.AsString().m_impl) { } + + // as we provide both ctors with this signature for both char and unsigned + // char string, we need to provide one for wxCStrData to resolve ambiguity + wxString(const wxCStrData& cstr, size_t nLength) + : m_impl(cstr.AsString().Mid(0, nLength).m_impl) {} + + // and because wxString is convertible to wxCStrData and const wxChar * + // we also need to provide this one + wxString(const wxString& str, size_t nLength) + : m_impl(str.Mid(0, nLength).m_impl) {} + + ~wxString(); + +public: + // standard types + typedef wxUniChar value_type; + typedef wxUniChar char_type; + typedef wxUniCharRef reference; + typedef wxChar* pointer; + typedef const wxChar* const_pointer; + + typedef size_t size_type; + typedef wxUniChar const_reference; + +#if wxUSE_STL + #define WX_STR_ITERATOR_TAG std::random_access_iterator_tag +#else + #define WX_STR_ITERATOR_TAG void /* dummy type */ +#endif + + #define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, \ + reference_type, reference_ctor) \ + private: \ + typedef wxStringImpl::iterator_name underlying_iterator; \ + public: \ + typedef WX_STR_ITERATOR_TAG iterator_category; \ + typedef wxUniChar value_type; \ + typedef int difference_type; \ + typedef reference_type reference; \ + typedef pointer_type pointer; \ + \ + iterator_name(const iterator_name& i) : m_cur(i.m_cur) {} \ + \ + reference operator*() const { return reference_ctor; } \ + reference operator[](size_t n) const { return *(*this + n); } \ + \ + iterator_name& operator++() \ + { wxString::IncIter(m_cur); return *this; } \ + iterator_name& operator--() \ + { wxString::DecIter(m_cur); return *this; } \ + iterator_name operator++(int) \ + { \ + iterator_name tmp = *this; \ + wxString::IncIter(m_cur); \ + return tmp; \ + } \ + iterator_name operator--(int) \ + { \ + iterator_name tmp = *this; \ + wxString::DecIter(m_cur); \ + return tmp; \ + } \ + \ + iterator_name operator+(int n) const \ + { return iterator_name(wxString::AddToIter(m_cur, n)); } \ + iterator_name operator+(size_t n) const \ + { return iterator_name(wxString::AddToIter(m_cur, (int)n)); } \ + iterator_name operator-(int n) const \ + { return iterator_name(wxString::AddToIter(m_cur, -n)); } \ + iterator_name operator-(size_t n) const \ + { return iterator_name(wxString::AddToIter(m_cur, -(int)n)); } \ + iterator_name& operator+=(int n) \ + { m_cur = wxString::AddToIter(m_cur, n); return *this; } \ + iterator_name& operator+=(size_t n) \ + { m_cur = wxString::AddToIter(m_cur, (int)n); return *this; } \ + iterator_name& operator-=(int n) \ + { m_cur = wxString::AddToIter(m_cur, -n); return *this; } \ + iterator_name& operator-=(size_t n) \ + { m_cur = wxString::AddToIter(m_cur, -(int)n); return *this; } \ + \ + unsigned operator-(const iterator_name& i) const \ + { return wxString::DiffIters(m_cur, i.m_cur); } \ + \ + bool operator==(const iterator_name& i) const \ + { return m_cur == i.m_cur; } \ + bool operator!=(const iterator_name& i) const \ + { return m_cur != i.m_cur; } \ + \ + bool operator<(const iterator_name& i) const \ + { return m_cur < i.m_cur; } \ + bool operator>(const iterator_name& i) const \ + { return m_cur > i.m_cur; } \ + bool operator<=(const iterator_name& i) const \ + { return m_cur <= i.m_cur; } \ + bool operator>=(const iterator_name& i) const \ + { return m_cur >= i.m_cur; } \ + \ + private: \ + /* for internal wxString use only: */ \ + iterator_name(underlying_iterator ptr) : m_cur(ptr) {} \ + operator underlying_iterator() const { return m_cur; } \ + \ + friend class WXDLLIMPEXP_BASE wxString; \ + friend class WXDLLIMPEXP_BASE wxCStrData; \ + \ + private: \ + underlying_iterator m_cur; + + class const_iterator; + + class iterator + { + WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef, + wxUniCharRef::CreateForString(m_cur)) + + friend class const_iterator; + }; + + class const_iterator + { + // NB: reference_type is intentionally value, not reference, the character + // may be encoded differently in wxString data: + WX_STR_ITERATOR_IMPL(const_iterator, const wxChar*, wxUniChar, + wxUniChar(*m_cur)) + + public: + const_iterator(const iterator& i) : m_cur(i.m_cur) {} + }; + + #undef WX_STR_ITERATOR_TAG + #undef WX_STR_ITERATOR_IMPL + + friend class iterator; + friend class const_iterator; + + template + class reverse_iterator_impl + { + public: + typedef T iterator_type; + + typedef typename T::iterator_category iterator_category; + typedef typename T::value_type value_type; + typedef typename T::difference_type difference_type; + typedef typename T::reference reference; + typedef typename T::pointer *pointer; + + reverse_iterator_impl(iterator_type i) : m_cur(i) {} + reverse_iterator_impl(const reverse_iterator_impl& ri) + : m_cur(ri.m_cur) {} + + iterator_type base() const { return m_cur; } + + reference operator*() const { return *(m_cur-1); } + reference operator[](size_t n) const { return *(*this + n); } + + reverse_iterator_impl& operator++() + { --m_cur; return *this; } + reverse_iterator_impl operator++(int) + { reverse_iterator_impl tmp = *this; --m_cur; return tmp; } + reverse_iterator_impl& operator--() + { ++m_cur; return *this; } + reverse_iterator_impl operator--(int) + { reverse_iterator_impl tmp = *this; ++m_cur; return tmp; } + + // NB: explicit in the functions below is to keep BCC 5.5 happy + reverse_iterator_impl operator+(int n) const + { return reverse_iterator_impl(m_cur - n); } + reverse_iterator_impl operator+(size_t n) const + { return reverse_iterator_impl(m_cur - n); } + reverse_iterator_impl operator-(int n) const + { return reverse_iterator_impl(m_cur + n); } + reverse_iterator_impl operator-(size_t n) const + { return reverse_iterator_impl(m_cur + n); } + reverse_iterator_impl operator+=(int n) + { m_cur -= n; return *this; } + reverse_iterator_impl operator+=(size_t n) + { m_cur -= n; return *this; } + reverse_iterator_impl operator-=(int n) + { m_cur += n; return *this; } + reverse_iterator_impl operator-=(size_t n) + { m_cur += n; return *this; } + + unsigned operator-(const reverse_iterator_impl& i) const + { return i.m_cur - m_cur; } + + bool operator==(const reverse_iterator_impl& ri) const + { return m_cur == ri.m_cur; } + bool operator!=(const reverse_iterator_impl& ri) const + { return !(*this == ri); } + + bool operator<(const reverse_iterator_impl& i) const + { return m_cur > i.m_cur; } + bool operator>(const reverse_iterator_impl& i) const + { return m_cur < i.m_cur; } + bool operator<=(const reverse_iterator_impl& i) const + { return m_cur >= i.m_cur; } + bool operator>=(const reverse_iterator_impl& i) const + { return m_cur <= i.m_cur; } + + private: + iterator_type m_cur; + }; + + typedef reverse_iterator_impl reverse_iterator; + typedef reverse_iterator_impl const_reverse_iterator; -#if wxUSE_UNICODE - // from multibyte string - wxString(const char *psz, - const wxMBConv& conv = wxConvLibc, - size_t nLength = npos); - // from wxWCharBuffer (i.e. return from wxGetString) - wxString(const wxWCharBuffer& psz) : wxStringBase(psz.data()) { } -#else // ANSI - // from C string (for compilers using unsigned char) - wxString(const unsigned char* psz) - : wxStringBase((const char*)psz) { } - // from part of C string (for compilers using unsigned char) - wxString(const unsigned char* psz, size_t nLength) - : wxStringBase((const char*)psz, nLength) { } + // first valid index position + const_iterator begin() const { return const_iterator(m_impl.begin()); } + iterator begin() { return iterator(m_impl.begin()); } + // position one after the last valid one + const_iterator end() const { return const_iterator(m_impl.end()); } + iterator end() { return iterator(m_impl.end()); } + + // first element of the reversed string + const_reverse_iterator rbegin() const + { return const_reverse_iterator(end()); } + reverse_iterator rbegin() + { return reverse_iterator(end()); } + // one beyond the end of the reversed string + const_reverse_iterator rend() const + { return const_reverse_iterator(begin()); } + reverse_iterator rend() + { return reverse_iterator(begin()); } + + // std::string methods: +#if wxUSE_UNICODE_UTF8 + size_t length() const { return end() - begin(); } // FIXME-UTF8: optimize! +#else + size_t length() const { return m_impl.length(); } +#endif - // as we provide both ctors with this signature for both char and unsigned - // char string, we need to provide one for wxCStrData to resolve ambiguity - wxString(const wxCStrData& cstr, size_t nLength) - : wxStringBase(cstr.AsChar(), nLength) { } + size_type size() const { return length(); } + size_type max_size() const { return npos; } - // and because wxString is convertible to wxCStrData and const wxChar * - // we also need to provide this one - wxString(const wxString& str, size_t nLength) - : wxStringBase(str, 0, nLength) { } + bool empty() const { return m_impl.empty(); } -#if wxUSE_WCHAR_T - // from wide (Unicode) string - wxString(const wchar_t *pwz, - const wxMBConv& conv = wxConvLibc, - size_t nLength = npos); -#endif // !wxUSE_WCHAR_T + size_type capacity() const { return m_impl.capacity(); } // FIXME-UTF8 + void reserve(size_t sz) { m_impl.reserve(sz); } // FIXME-UTF8 - // from wxCharBuffer - wxString(const wxCharBuffer& psz) - : wxStringBase(psz) { } -#endif // Unicode/ANSI + void resize(size_t nSize, wxUniChar ch = wxT('\0')) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + { + size_t len = length(); + if ( nSize == len) + return; + else if ( nSize < len ) + erase(nSize); + else + append(nSize - len, ch); + } + else +#endif + m_impl.resize(nSize, (wxStringCharType)ch); + } + + wxString substr(size_t nStart = 0, size_t nLen = npos) const + { + size_t pos, len; + PosLenToImpl(nStart, nLen, &pos, &len); + return m_impl.substr(pos, len); + } // generic attributes & operations // as standard strlen() @@ -1050,9 +858,13 @@ public: // data access (all indexes are 0 based) // read access + wxUniChar at(size_t n) const + { return *(begin() + n); } // FIXME-UTF8: optimize? wxUniChar GetChar(size_t n) const { return at(n); } // read/write access + wxUniCharRef at(size_t n) + { return *(begin() + n); } // FIXME-UTF8: optimize? wxUniCharRef GetWritableChar(size_t n) { return at(n); } // write access @@ -1060,7 +872,7 @@ public: { at(n) = ch; } // get last character - wxUniChar Last() const + wxUniChar Last() const { wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") ); @@ -1079,41 +891,49 @@ public: ambiguity when using str[0]. */ wxUniChar operator[](int n) const - { return wxStringBase::at(n); } + { return at(n); } wxUniChar operator[](long n) const - { return wxStringBase::at(n); } + { return at(n); } wxUniChar operator[](size_t n) const - { return wxStringBase::at(n); } + { return at(n); } #ifndef wxSIZE_T_IS_UINT wxUniChar operator[](unsigned int n) const - { return wxStringBase::at(n); } + { return at(n); } #endif // size_t != unsigned int // operator versions of GetWriteableChar() wxUniCharRef operator[](int n) - { return wxStringBase::at(n); } + { return at(n); } wxUniCharRef operator[](long n) - { return wxStringBase::at(n); } + { return at(n); } wxUniCharRef operator[](size_t n) - { return wxStringBase::at(n); } + { return at(n); } #ifndef wxSIZE_T_IS_UINT wxUniCharRef operator[](unsigned int n) - { return wxStringBase::at(n); } + { return at(n); } #endif // size_t != unsigned int // explicit conversion to C string (use this with printf()!) wxCStrData c_str() const { return wxCStrData(this); } + wxCStrData data() const { return c_str(); } // implicit conversion to C string operator wxCStrData() const { return c_str(); } - operator const wxChar*() const { return c_str(); } + operator const char*() const { return c_str(); } + operator const wchar_t*() const { return c_str(); } // identical to c_str(), for MFC compatibility const wxCStrData GetData() const { return c_str(); } // explicit conversion to C string in internal representation (char*, // wchar_t*, UTF-8-encoded char*, depending on the build): - const_pointer wx_str() const { return data(); } + const_pointer wx_str() const { return m_impl.c_str(); } + + // conversion to *non-const* multibyte or widestring buffer; modifying + // returned buffer won't affect the string, these methods are only useful + // for passing values to const-incorrect functions + wxWritableCharBuffer char_str() const { return mb_str(); } + wxWritableWCharBuffer wchar_str() const { return wc_str(); } // conversion to/from plain (i.e. 7 bit) ASCII: this is useful for // converting numbers or strings which are certain not to contain special @@ -1164,7 +984,7 @@ public: const wxWX2MBbuf mbc_str() const { return mb_str(); } #if wxUSE_WCHAR_T - const wxWCharBuffer wc_str(const wxMBConv& conv) const; + const wxWCharBuffer wc_str(const wxMBConv& conv = wxConvLibc) const; #endif // wxUSE_WCHAR_T #ifdef __WXOSX__ const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLocal ) ); } @@ -1175,46 +995,43 @@ public: // overloaded assignment // from another wxString - wxString& operator=(const wxStringBase& stringSrc) - { return (wxString&)wxStringBase::operator=(stringSrc); } - wxString& operator=(const wxCStrData& cstr); + wxString& operator=(const wxString& stringSrc) + { m_impl = stringSrc.m_impl; return *this; } + wxString& operator=(const wxCStrData& cstr) + { return *this = cstr.AsString(); } // from a character wxString& operator=(wxUniChar ch) - { return (wxString&)wxStringBase::operator=(ch); } + { m_impl = EncodeChar(ch); return *this; } wxString& operator=(wxUniCharRef ch) - { return (wxString&)wxStringBase::operator=((wxUniChar)ch); } + { return operator=((wxUniChar)ch); } wxString& operator=(char ch) - { return (wxString&)wxStringBase::operator=(wxUniChar(ch)); } + { return operator=(wxUniChar(ch)); } + wxString& operator=(unsigned char ch) + { return operator=(wxUniChar(ch)); } wxString& operator=(wchar_t ch) - { return (wxString&)wxStringBase::operator=(wxUniChar(ch)); } + { return operator=(wxUniChar(ch)); } // from a C string - STL probably will crash on NULL, // so we need to compensate in that case #if wxUSE_STL_BASED_WXSTRING - wxString& operator=(const wxChar *psz) - { if(psz) wxStringBase::operator=(psz); else Clear(); return *this; } + wxString& operator=(const char *psz) + { if (psz) m_impl = ImplStr(psz); else Clear(); return *this; } + wxString& operator=(const wchar_t *pwz) + { if (pwz) m_impl = ImplStr(pwz); else Clear(); return *this; } #else - wxString& operator=(const wxChar *psz) - { return (wxString&)wxStringBase::operator=(psz); } + wxString& operator=(const char *psz) + { m_impl = ImplStr(psz); return *this; } + wxString& operator=(const wchar_t *pwz) + { m_impl = ImplStr(pwz); return *this; } #endif + wxString& operator=(const unsigned char *psz) + { return operator=((const char*)psz); } -#if wxUSE_UNICODE // from wxWCharBuffer - wxString& operator=(const wxWCharBuffer& psz) - { (void) operator=((const wchar_t *)psz); return *this; } - // from C string - wxString& operator=(const char* psz) - { return operator=(wxString(psz)); } -#else // ANSI - // from another kind of C string - wxString& operator=(const unsigned char* psz); -#if wxUSE_WCHAR_T - // from a wide string - wxString& operator=(const wchar_t *pwz); -#endif + wxString& operator=(const wxWCharBuffer& s) + { return operator=(s.data()); } // FIXME-UTF8: fix for embedded NULs // from wxCharBuffer - wxString& operator=(const wxCharBuffer& psz) - { (void) operator=((const char *)psz); return *this; } -#endif // Unicode/ANSI + wxString& operator=(const wxCharBuffer& s) + { return operator=(s.data()); } // FIXME-UTF8: fix for embedded NULs // string concatenation // in place concatenation @@ -1226,8 +1043,8 @@ public: // string += string wxString& operator<<(const wxString& s) { -#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL - wxASSERT_MSG( s.GetStringData()->IsValid(), +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 + wxASSERT_MSG( s.IsValid(), _T("did you forget to call UngetWriteBuf()?") ); #endif @@ -1235,36 +1052,29 @@ public: return *this; } // string += C string - wxString& operator<<(const wxChar *psz) + wxString& operator<<(const char *psz) { append(psz); return *this; } + wxString& operator<<(const wchar_t *pwz) + { append(pwz); return *this; } wxString& operator<<(const wxCStrData& psz) - { append(psz); return *this; } + { append(psz.AsString()); return *this; } // string += char wxString& operator<<(wxUniChar ch) { append(1, ch); return *this; } wxString& operator<<(wxUniCharRef ch) { append(1, ch); return *this; } wxString& operator<<(char ch) { append(1, ch); return *this; } + wxString& operator<<(unsigned char ch) { append(1, ch); return *this; } wxString& operator<<(wchar_t ch) { append(1, ch); return *this; } // string += buffer (i.e. from wxGetString) -#if wxUSE_UNICODE wxString& operator<<(const wxWCharBuffer& s) { return operator<<((const wchar_t *)s); } wxString& operator+=(const wxWCharBuffer& s) { return operator<<((const wchar_t *)s); } -#else // !wxUSE_UNICODE + wxString& operator<<(const wxCharBuffer& s) { return operator<<((const char *)s); } wxString& operator+=(const wxCharBuffer& s) { return operator<<((const char *)s); } -#endif // wxUSE_UNICODE/!wxUSE_UNICODE - -#if wxUSE_UNICODE - // string += C string in Unicode build (with conversion) - wxString& operator<<(const char *s) - { return operator<<(wxString(s)); } - wxString& operator+=(const char *s) - { return operator+=(wxString(s)); } -#endif // wxUSE_UNICODE // string += C string wxString& Append(const wxString& s) @@ -1278,8 +1088,10 @@ public: } wxString& Append(const wxCStrData& psz) { append(psz); return *this; } - wxString& Append(const wxChar* psz) + wxString& Append(const char* psz) { append(psz); return *this; } + wxString& Append(const wchar_t* pwz) + { append(pwz); return *this; } // append count copies of given character wxString& Append(wxUniChar ch, size_t count = 1u) { append(count, ch); return *this; } @@ -1287,10 +1099,14 @@ public: { append(count, ch); return *this; } wxString& Append(char ch, size_t count = 1u) { append(count, ch); return *this; } + wxString& Append(unsigned char ch, size_t count = 1u) + { append(count, ch); return *this; } wxString& Append(wchar_t ch, size_t count = 1u) { append(count, ch); return *this; } - wxString& Append(const wxChar* psz, size_t nLen) + wxString& Append(const char* psz, size_t nLen) { append(psz, nLen); return *this; } + wxString& Append(const wchar_t* pwz, size_t nLen) + { append(pwz, nLen); return *this; } // prepend a string, return the string itself wxString& Prepend(const wxString& str) @@ -1306,9 +1122,13 @@ public: friend wxString WXDLLIMPEXP_BASE operator+(wxUniChar ch, const wxString& string); // string with C string friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, - const wxChar *psz); + const char *psz); + friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, + const wchar_t *pwz); // C string with string - friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, + friend wxString WXDLLIMPEXP_BASE operator+(const char *psz, + const wxString& string); + friend wxString WXDLLIMPEXP_BASE operator+(const wchar_t *pwz, const wxString& string); // stream-like functions @@ -1347,21 +1167,43 @@ public: // string comparison // case-sensitive comparison (returns a value < 0, = 0 or > 0) - int Cmp(const wxChar *psz) const; - int Cmp(const wxString& s) const; + int Cmp(const char *psz) const + { return compare(psz); } + int Cmp(const wchar_t *pwz) const + { return compare(pwz); } + int Cmp(const wxString& s) const + { return compare(s); } // same as Cmp() but not case-sensitive - int CmpNoCase(const wxChar *psz) const; int CmpNoCase(const wxString& s) const; + int CmpNoCase(const char *psz) const + { return CmpNoCase(wxString(psz)); } + int CmpNoCase(const wchar_t *pwz) const + { return CmpNoCase(wxString(pwz)); } // 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; } + bool IsSameAs(const wxString& str, bool compareWithCase = true) const + { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; } + bool IsSameAs(const char *str, bool compareWithCase = true) const + { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; } + bool IsSameAs(const wchar_t *str, bool compareWithCase = true) const + { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; } // comparison with a single character: returns true if equal bool IsSameAs(wxUniChar c, bool compareWithCase = true) const { return (length() == 1) && (compareWithCase ? GetChar(0u) == c : wxToupper(GetChar(0u)) == wxToupper(c)); } + // FIXME-UTF8: remove these overloads + bool IsSameAs(wxUniCharRef c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(char c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(unsigned char c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(wchar_t c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } + bool IsSameAs(int c, bool compareWithCase = true) const + { return IsSameAs(wxUniChar(c), compareWithCase); } // simple sub-string extraction // return substring starting at nFirst of length nCount (or till the end @@ -1422,16 +1264,40 @@ public: // searching and replacing // searching (return starting index, or -1 if not found) int Find(wxUniChar ch, bool bFromEnd = false) const; // like strchr/strrchr + int Find(wxUniCharRef ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } + int Find(char ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } + int Find(unsigned char ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } + int Find(wchar_t ch, bool bFromEnd = false) const + { return Find(wxUniChar(ch), bFromEnd); } // searching (return starting index, or -1 if not found) - int Find(const wxChar *pszSub) const; // like strstr + // FIXME-UTF8: keep wxString overload only + int Find(const wxString& sub) const // like strstr + { + size_type idx = find(sub); + return (idx == npos) ? wxNOT_FOUND : (int)idx; + } + int Find(const char *sub) const // like strstr + { + size_type idx = find(sub); + return (idx == npos) ? wxNOT_FOUND : (int)idx; + } + int Find(const wchar_t *sub) const // like strstr + { + size_type idx = find(sub); + return (idx == npos) ? wxNOT_FOUND : (int)idx; + } + // replace first (or all of bReplaceAll) occurences of substring with // another string, returns the number of replacements made - size_t Replace(const wxChar *szOld, - const wxChar *szNew, + size_t Replace(const wxString& strOld, + const wxString& strNew, bool bReplaceAll = true); // check if the string contents matches a mask containing '*' and '?' - bool Matches(const wxChar *szMask) const; + bool Matches(const wxString& mask) const; // conversion to numbers: all functions return true only if the whole // string is a number and put the value of this number into the pointer @@ -1477,7 +1343,7 @@ public: // minimize the string's memory // only works if the data of this string is not shared bool Shrink(); -#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 // These are deprecated, use wxStringBuffer or wxStringBufferLength instead // // get writable buffer of at least nLen bytes. Unget() *must* be called @@ -1486,7 +1352,7 @@ public: // call this immediately after GetWriteBuf() has been used wxDEPRECATED( void UngetWriteBuf() ); wxDEPRECATED( void UngetWriteBuf(size_t nLen) ); -#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING +#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && wxUSE_UNICODE_UTF8 // wxWidgets version 1 compatibility functions @@ -1509,7 +1375,7 @@ public: inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const { return cmp == exact ? Cmp(psz) : CmpNoCase(psz); } - // use Len + // use length() size_t Length() const { return length(); } // Count the number of characters int Freq(wxUniChar ch) const; @@ -1531,12 +1397,14 @@ public: { return (wxString&)erase( nStart, nLen ); } // use Find() - int First( const wxUniChar ch ) const { return Find(ch); } + int First( wxUniChar ch ) const { return Find(ch); } + int First( wxUniCharRef ch ) const { return Find(ch); } int First( char ch ) const { return Find(ch); } + int First( unsigned char ch ) const { return Find(ch); } int First( wchar_t ch ) const { return Find(ch); } int First( const wxChar* psz ) const { return Find(psz); } - int First( const wxString &str ) const { return Find(str); } - int Last( const wxUniChar ch ) const { return Find(ch, true); } + int First( const wxString& str ) const { return Find(str); } + int Last( wxUniChar ch ) const { return Find(ch, true); } bool Contains(const wxString& str) const { return Find(str) != wxNOT_FOUND; } // use empty() @@ -1546,177 +1414,627 @@ public: // take nLen chars starting at nPos wxString(const wxString& str, size_t nPos, size_t nLen) - : wxStringBase(str, nPos, nLen) { } - // take all characters from pStart to pEnd - wxString(const void *pStart, const void *pEnd) - : wxStringBase((const wxChar*)pStart, (const wxChar*)pEnd) { } + : m_impl(str.m_impl, nPos, nLen) { } + // take all characters from first to last wxString(const_iterator first, const_iterator last) - : wxStringBase(first, last) { } - wxString(iterator first, iterator last) - : wxStringBase(first, last) { } + : m_impl(first, last) { } + wxString(const char *first, const char *last) + { + SubstrBufFromMB str(ImplStr(first, last - first)); + m_impl.assign(str.data, str.len); + } + wxString(const wchar_t *first, const wchar_t *last) + { + SubstrBufFromWC str(ImplStr(first, last - first)); + m_impl.assign(str.data, str.len); + } // lib.string.modifiers // append elements str[pos], ..., str[pos+n] wxString& append(const wxString& str, size_t pos, size_t n) - { return (wxString&)wxStringBase::append(str, pos, n); } + { + size_t from, len; + str.PosLenToImpl(pos, n, &from, &len); + m_impl.append(str.m_impl, from, len); + return *this; + } // append a string wxString& append(const wxString& str) - { return (wxString&)wxStringBase::append(str); } + { m_impl.append(str.m_impl); return *this; } wxString& append(const wxCStrData& str) - { return (wxString&)wxStringBase::append(str.AsString()); } + { m_impl.append(str.AsString().m_impl); return *this; } // append first n (or all if n == npos) characters of sz - wxString& append(const wxChar *sz) - { return (wxString&)wxStringBase::append(sz); } - wxString& append(const wxChar *sz, size_t n) - { return (wxString&)wxStringBase::append(sz, n); } + wxString& append(const char *sz) + { m_impl.append(ImplStr(sz)); return *this; } + wxString& append(const wchar_t *sz) + { m_impl.append(ImplStr(sz)); return *this; } + wxString& append(const char *sz, size_t n) + { + SubstrBufFromMB str(ImplStr(sz, n)); + m_impl.append(str.data, str.len); + return *this; + } + wxString& append(const wchar_t *sz, size_t n) + { + SubstrBufFromWC str(ImplStr(sz, n)); + m_impl.append(str.data, str.len); + return *this; + } // append n copies of ch wxString& append(size_t n, wxUniChar ch) - { return (wxString&)wxStringBase::append(n, ch); } + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.append(EncodeNChars(n, ch)); + else +#endif + m_impl.append(n, (wxStringCharType)ch); + return *this; + } // append from first to last wxString& append(const_iterator first, const_iterator last) - { return (wxString&)wxStringBase::append(first, last); } + { m_impl.append(first, last); return *this; } + wxString& append(const char *first, const char *last) + { return append(first, last - first); } + wxString& append(const wchar_t *first, const wchar_t *last) + { return append(first, last - first); } // same as `this_string = str' wxString& assign(const wxString& str) - { return (wxString&)wxStringBase::assign(str); } + { m_impl = str.m_impl; return *this; } + wxString& assign(const wxString& str, size_t len) + { + m_impl.assign(str.m_impl, 0, str.LenToImpl(len)); + return *this; + } // same as ` = str[pos..pos + n] wxString& assign(const wxString& str, size_t pos, size_t n) - { return (wxString&)wxStringBase::assign(str, pos, n); } + { + size_t from, len; + str.PosLenToImpl(pos, n, &from, &len); + m_impl.assign(str.m_impl, from, len); + return *this; + } // same as `= first n (or all if n == npos) characters of sz' - wxString& assign(const wxChar *sz) - { return (wxString&)wxStringBase::assign(sz); } - wxString& assign(const wxChar *sz, size_t n) - { return (wxString&)wxStringBase::assign(sz, n); } + wxString& assign(const char *sz) + { m_impl.assign(ImplStr(sz)); return *this; } + wxString& assign(const wchar_t *sz) + { m_impl.assign(ImplStr(sz)); return *this; } + wxString& assign(const char *sz, size_t n) + { + SubstrBufFromMB str(ImplStr(sz, n)); + m_impl.assign(str.data, str.len); + return *this; + } + wxString& assign(const wchar_t *sz, size_t n) + { + SubstrBufFromWC str(ImplStr(sz, n)); + m_impl.assign(str.data, str.len); + return *this; + } // same as `= n copies of ch' wxString& assign(size_t n, wxUniChar ch) - { return (wxString&)wxStringBase::assign(n, ch); } + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.assign(EncodeNChars(n, ch)); + else +#endif + m_impl.assign(n, (wxStringCharType)ch); + return *this; + } + + wxString& assign(size_t n, wxUniCharRef ch) + { return assign(n, wxUniChar(ch)); } + wxString& assign(size_t n, char ch) + { return assign(n, wxUniChar(ch)); } + wxString& assign(size_t n, unsigned char ch) + { return assign(n, wxUniChar(ch)); } + wxString& assign(size_t n, wchar_t ch) + { return assign(n, wxUniChar(ch)); } + // assign from first to last wxString& assign(const_iterator first, const_iterator last) - { return (wxString&)wxStringBase::assign(first, last); } + { m_impl.assign(first, last); return *this; } + wxString& assign(const char *first, const char *last) + { return assign(first, last - first); } + wxString& assign(const wchar_t *first, const wchar_t *last) + { return assign(first, last - first); } // string comparison -#if !defined(HAVE_STD_STRING_COMPARE) - int compare(const wxStringBase& str) const; + int compare(const wxString& str) const; // comparison with a substring - int compare(size_t nStart, size_t nLen, const wxStringBase& str) const; + 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 wxStringBase& str, size_t nStart2, size_t nLen2) const; + const wxString& str, size_t nStart2, size_t nLen2) const; // just like strcmp() - int compare(const wxChar* sz) const; + int compare(const char* sz) const; + int compare(const wchar_t* 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 + const char* sz, size_t nCount = npos) const; + int compare(size_t nStart, size_t nLen, + const wchar_t* sz, size_t nCount = npos) const; // insert another string wxString& insert(size_t nPos, const wxString& str) - { return (wxString&)wxStringBase::insert(nPos, str); } + { insert(begin() + nPos, str.begin(), str.end()); return *this; } // insert n chars of str starting at nStart (in str) wxString& insert(size_t nPos, const wxString& str, size_t nStart, size_t n) - { return (wxString&)wxStringBase::insert(nPos, str, nStart, n); } + { + size_t from, len; + str.PosLenToImpl(nStart, n, &from, &len); + m_impl.insert(PosToImpl(nPos), str.m_impl, from, len); + return *this; + } // insert first n (or all if n == npos) characters of sz - wxString& insert(size_t nPos, const wxChar *sz) - { return (wxString&)wxStringBase::insert(nPos, sz); } - wxString& insert(size_t nPos, const wxChar *sz, size_t n) - { return (wxString&)wxStringBase::insert(nPos, sz, n); } + wxString& insert(size_t nPos, const char *sz) + { m_impl.insert(PosToImpl(nPos), ImplStr(sz)); return *this; } + wxString& insert(size_t nPos, const wchar_t *sz) + { m_impl.insert(PosToImpl(nPos), ImplStr(sz)); return *this; } + wxString& insert(size_t nPos, const char *sz, size_t n) + { + SubstrBufFromMB str(ImplStr(sz, n)); + m_impl.insert(PosToImpl(nPos), str.data, str.len); + return *this; + } + wxString& insert(size_t nPos, const wchar_t *sz, size_t n) + { + SubstrBufFromWC str(ImplStr(sz, n)); + m_impl.insert(PosToImpl(nPos), str.data, str.len); + return *this; + } // insert n copies of ch wxString& insert(size_t nPos, size_t n, wxUniChar ch) - { return (wxString&)wxStringBase::insert(nPos, n, ch); } + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.insert(begin() + nPos, EncodeNChars(n, ch)); + else +#endif + m_impl.insert(begin() + nPos, n, (wxStringCharType)ch); + return *this; + } iterator insert(iterator it, wxUniChar ch) - { return wxStringBase::insert(it, ch); } + { return iterator(m_impl.insert(it, EncodeChar(ch))); } void insert(iterator it, const_iterator first, const_iterator last) - { wxStringBase::insert(it, first, last); } + { m_impl.insert(it, first, last); } + void insert(iterator it, const char *first, const char *last) + { insert(it - begin(), first, last - first); } + void append(iterator it, const wchar_t *first, const wchar_t *last) + { insert(it - begin(), first, last - first); } void insert(iterator it, size_type n, wxUniChar ch) - { wxStringBase::insert(it, n, ch); } + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.insert(it, EncodeNChars(n, ch)); + else +#endif + m_impl.insert(it, n, (wxStringCharType)ch); + } // delete characters from nStart to nStart + nLen wxString& erase(size_type pos = 0, size_type n = npos) - { return (wxString&)wxStringBase::erase(pos, n); } + { + size_t from, len; + PosLenToImpl(pos, n, &from, &len); + m_impl.erase(from, len); + return *this; + } + // delete characters from first up to last iterator erase(iterator first, iterator last) - { return wxStringBase::erase(first, last); } + { return iterator(m_impl.erase(first, last)); } iterator erase(iterator first) - { return wxStringBase::erase(first); } + { return iterator(m_impl.erase(first)); } #ifdef wxSTRING_BASE_HASNT_CLEAR void clear() { erase(); } +#else + void clear() { m_impl.clear(); } #endif // replaces the substring of length nLen starting at nStart - wxString& replace(size_t nStart, size_t nLen, const wxChar* sz) - { return (wxString&)wxStringBase::replace(nStart, nLen, sz); } + wxString& replace(size_t nStart, size_t nLen, const char* sz) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, ImplStr(sz)); + return *this; + } + wxString& replace(size_t nStart, size_t nLen, const wchar_t* sz) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, ImplStr(sz)); + return *this; + } // replaces the substring of length nLen starting at nStart wxString& replace(size_t nStart, size_t nLen, const wxString& str) - { return (wxString&)wxStringBase::replace(nStart, nLen, str); } + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, str.m_impl); + return *this; + } // replaces the substring with nCount copies of ch wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch) - { return (wxString&)wxStringBase::replace(nStart, nLen, nCount, ch); } + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.replace(from, len, EncodeNChars(nCount, ch)); + else +#endif + m_impl.replace(from, len, nCount, (wxStringCharType)ch); + return *this; + } // replaces a substring with another substring wxString& replace(size_t nStart, size_t nLen, const wxString& str, size_t nStart2, size_t nLen2) - { return (wxString&)wxStringBase::replace(nStart, nLen, str, - nStart2, nLen2); } + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + + size_t from2, len2; + str.PosLenToImpl(nStart2, nLen2, &from2, &len2); + + m_impl.replace(from, len, str.m_impl, from2, len2); + return *this; + } // replaces the substring with first nCount chars of sz wxString& replace(size_t nStart, size_t nLen, - const 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); } + const char* sz, size_t nCount) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + + SubstrBufFromMB str(ImplStr(sz, nCount)); + + m_impl.replace(from, len, str.data, str.len); + return *this; + } + wxString& replace(size_t nStart, size_t nLen, + const wchar_t* sz, size_t nCount) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + + SubstrBufFromWC str(ImplStr(sz, nCount)); + + m_impl.replace(from, len, str.data, str.len); + return *this; + } + wxString& replace(size_t nStart, size_t nLen, + const wxString& s, size_t nCount) + { + size_t from, len; + PosLenToImpl(nStart, nLen, &from, &len); + m_impl.replace(from, len, s.m_impl.c_str(), s.LenToImpl(nCount)); + return *this; + } + + wxString& replace(iterator first, iterator last, const char* s) + { m_impl.replace(first, last, ImplStr(s)); return *this; } + wxString& replace(iterator first, iterator last, const wchar_t* s) + { m_impl.replace(first, last, ImplStr(s)); return *this; } + wxString& replace(iterator first, iterator last, const char* s, size_type n) + { + SubstrBufFromMB str(ImplStr(s, n)); + m_impl.replace(first, last, str.data, str.len); + return *this; + } + wxString& replace(iterator first, iterator last, const wchar_t* s, size_type n) + { + SubstrBufFromWC str(ImplStr(s, n)); + m_impl.replace(first, last, str.data, str.len); + return *this; + } wxString& replace(iterator first, iterator last, const wxString& s) - { return (wxString&)wxStringBase::replace(first, last, s); } - wxString& replace(iterator first, iterator last, size_type n, wxUniChar c) - { return (wxString&)wxStringBase::replace(first, last, n, c); } + { m_impl.replace(first, last, s.m_impl); return *this; } + wxString& replace(iterator first, iterator last, size_type n, wxUniChar ch) + { +#if wxUSE_UNICODE_UTF8 + if ( !ch.IsAscii() ) + m_impl.replace(first, last, EncodeNChars(n, ch)); + else +#endif + m_impl.replace(first, last, n, (wxStringCharType)ch); + return *this; + } wxString& replace(iterator first, iterator last, const_iterator first1, const_iterator last1) - { return (wxString&)wxStringBase::replace(first, last, first1, last1); } + { m_impl.replace(first, last, first1, last1); return *this; } + wxString& replace(iterator first, iterator last, + const char *first1, const char *last1) + { replace(first, last, first1, last1 - first1); return *this; } + wxString& replace(iterator first, iterator last, + const wchar_t *first1, const wchar_t *last1) + { replace(first, last, first1, last1 - first1); return *this; } + + // swap two strings + void swap(wxString& str) + { m_impl.swap(str.m_impl); } + + // find a substring + size_t find(const wxString& str, size_t nStart = 0) const + { return PosFromImpl(m_impl.find(str.m_impl, PosToImpl(nStart))); } + + // find first n characters of sz + size_t find(const char* sz, size_t nStart = 0, size_t n = npos) const + { + SubstrBufFromMB str(ImplStr(sz, n)); + return PosFromImpl(m_impl.find(str.data, PosToImpl(nStart), str.len)); + } + size_t find(const wchar_t* sz, size_t nStart = 0, size_t n = npos) const + { + SubstrBufFromWC str(ImplStr(sz, n)); + return PosFromImpl(m_impl.find(str.data, PosToImpl(nStart), str.len)); + } + + // find the first occurence of character ch after nStart + size_t find(wxUniChar ch, size_t nStart = 0) const + { return PosFromImpl(m_impl.find(EncodeChar(ch), PosToImpl(nStart))); } + size_t find(wxUniCharRef ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + size_t find(char ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + size_t find(unsigned char ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + size_t find(wchar_t ch, size_t nStart = 0) const + { return find(wxUniChar(ch), nStart); } + + // rfind() family is exactly like find() but works right to left + + // as find, but from the end + size_t rfind(const wxString& str, size_t nStart = npos) const + { return PosFromImpl(m_impl.rfind(str.m_impl, PosToImpl(nStart))); } + + // as find, but from the end + size_t rfind(const char* sz, size_t nStart = npos, size_t n = npos) const + { + SubstrBufFromMB str(ImplStr(sz, n)); + return PosFromImpl(m_impl.rfind(str.data, PosToImpl(nStart), str.len)); + } + size_t rfind(const wchar_t* sz, size_t nStart = npos, size_t n = npos) const + { + SubstrBufFromWC str(ImplStr(sz, n)); + return PosFromImpl(m_impl.rfind(str.data, PosToImpl(nStart), str.len)); + } + // as find, but from the end + size_t rfind(wxUniChar ch, size_t nStart = npos) const + { return PosFromImpl(m_impl.rfind(EncodeChar(ch), PosToImpl(nStart))); } + size_t rfind(wxUniCharRef ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + size_t rfind(char ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + size_t rfind(unsigned char ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + size_t rfind(wchar_t ch, size_t nStart = npos) const + { return rfind(wxUniChar(ch), nStart); } + + // find first/last occurence of any character (not) in the set: +#if wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 + // FIXME-UTF8: this is not entirely correct, because it doesn't work if + // sizeof(wchar_t)==2 and surrogates are present in the string; + // should we care? Probably not. + size_t find_first_of(const wxString& str, size_t nStart = 0) const + { return m_impl.find_first_of(str.m_impl, nStart); } + size_t find_first_of(const char* sz, size_t nStart = 0) const + { return m_impl.find_first_of(ImplStr(sz), nStart); } + size_t find_first_of(const wchar_t* sz, size_t nStart = 0) const + { return m_impl.find_first_of(ImplStr(sz), nStart); } + size_t find_first_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_first_of(ImplStr(sz), nStart, n); } + size_t find_first_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_first_of(ImplStr(sz), nStart, n); } + size_t find_first_of(wxUniChar c, size_t nStart = 0) const + { return m_impl.find_first_of((wxChar)c, nStart); } + + size_t find_last_of(const wxString& str, size_t nStart = npos) const + { return m_impl.find_last_of(str.m_impl, nStart); } + size_t find_last_of(const char* sz, size_t nStart = npos) const + { return m_impl.find_last_of(ImplStr(sz), nStart); } + size_t find_last_of(const wchar_t* sz, size_t nStart = npos) const + { return m_impl.find_last_of(ImplStr(sz), nStart); } + size_t find_last_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_last_of(ImplStr(sz), nStart, n); } + size_t find_last_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_last_of(ImplStr(sz), nStart, n); } + size_t find_last_of(wxUniChar c, size_t nStart = npos) const + { return m_impl.find_last_of((wxChar)c, nStart); } + + size_t find_first_not_of(const wxString& str, size_t nStart = 0) const + { return m_impl.find_first_not_of(str.m_impl, nStart); } + size_t find_first_not_of(const char* sz, size_t nStart = 0) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart); } + size_t find_first_not_of(const wchar_t* sz, size_t nStart = 0) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart); } + size_t find_first_not_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart, n); } + size_t find_first_not_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_first_not_of(ImplStr(sz), nStart, n); } + size_t find_first_not_of(wxUniChar c, size_t nStart = 0) const + { return m_impl.find_first_not_of((wxChar)c, nStart); } + + size_t find_last_not_of(const wxString& str, size_t nStart = npos) const + { return m_impl.find_last_not_of(str.m_impl, nStart); } + size_t find_last_not_of(const char* sz, size_t nStart = npos) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart); } + size_t find_last_not_of(const wchar_t* sz, size_t nStart = npos) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart); } + size_t find_last_not_of(const char* sz, size_t nStart, size_t n) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart, n); } + size_t find_last_not_of(const wchar_t* sz, size_t nStart, size_t n) const + { return m_impl.find_last_not_of(ImplStr(sz), nStart, n); } + size_t find_last_not_of(wxUniChar c, size_t nStart = npos) const + { return m_impl.find_last_not_of((wxChar)c, nStart); } +#else + // we can't use std::string implementation in UTF-8 build, because the + // character sets would be interpreted wrongly: + + // as strpbrk() but starts at nStart, returns npos if not found + size_t find_first_of(const wxString& str, size_t nStart = 0) const + { return find_first_of((const wxChar*)str.c_str(), nStart); } + // same as above + size_t find_first_of(const char* sz, size_t nStart = 0) const; + size_t find_first_of(const wchar_t* sz, size_t nStart = 0) const; + size_t find_first_of(const char* sz, size_t nStart, size_t n) const; + size_t find_first_of(const wchar_t* sz, size_t nStart, size_t n) const; + // same as find(char, size_t) + size_t find_first_of(wxUniChar c, size_t nStart = 0) const + { return find(c, nStart); } + // find the last (starting from nStart) char from str in this string + size_t find_last_of (const wxString& str, size_t nStart = npos) const + { return find_last_of((const wxChar*)str.c_str(), nStart); } + // same as above + size_t find_last_of (const char* sz, size_t nStart = npos) const; + size_t find_last_of (const wchar_t* sz, size_t nStart = npos) const; + size_t find_last_of(const char* sz, size_t nStart, size_t n) const; + size_t find_last_of(const wchar_t* sz, size_t nStart, size_t n) const; + // same as above + size_t find_last_of(wxUniChar c, size_t nStart = npos) const + { return rfind(c, nStart); } + + // find first/last occurence of any character not in the set + + // as strspn() (starting from nStart), returns npos on failure + size_t find_first_not_of(const wxString& str, size_t nStart = 0) const + { return find_first_not_of((const wxChar*)str.c_str(), nStart); } + // same as above + size_t find_first_not_of(const char* sz, size_t nStart = 0) const; + size_t find_first_not_of(const wchar_t* sz, size_t nStart = 0) const; + size_t find_first_not_of(const char* sz, size_t nStart, size_t n) const; + size_t find_first_not_of(const wchar_t* sz, size_t nStart, size_t n) const; + // same as above + size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const; + // as strcspn() + size_t find_last_not_of(const wxString& str, size_t nStart = npos) const + { return find_last_not_of((const wxChar*)str.c_str(), nStart); } + // same as above + size_t find_last_not_of(const char* sz, size_t nStart = npos) const; + size_t find_last_not_of(const wchar_t* sz, size_t nStart = npos) const; + size_t find_last_not_of(const char* sz, size_t nStart, size_t n) const; + size_t find_last_not_of(const wchar_t* sz, size_t nStart, size_t n) const; + // same as above + size_t find_last_not_of(wxUniChar ch, size_t nStart = npos) const; +#endif // wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 or not + + // provide char/wchar_t/wxUniCharRef overloads for char-finding functions + // above to resolve ambiguities: + size_t find_first_of(wxUniCharRef ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_first_of(char ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_first_of(unsigned char ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_first_of(wchar_t ch, size_t nStart = 0) const + { return find_first_of(wxUniChar(ch), nStart); } + size_t find_last_of(wxUniCharRef ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_last_of(char ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_last_of(unsigned char ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_last_of(wchar_t ch, size_t nStart = npos) const + { return find_last_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(wxUniCharRef ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(char ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(unsigned char ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_first_not_of(wchar_t ch, size_t nStart = 0) const + { return find_first_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(wxUniCharRef ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(char ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(unsigned char ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } + size_t find_last_not_of(wchar_t ch, size_t nStart = npos) const + { return find_last_not_of(wxUniChar(ch), nStart); } // string += string wxString& operator+=(const wxString& s) - { return (wxString&)wxStringBase::operator+=(s); } + { m_impl += s.m_impl; return *this; } // string += C string - wxString& operator+=(const wxChar *psz) - { return (wxString&)wxStringBase::operator+=(psz); } + wxString& operator+=(const char *psz) + { m_impl += ImplStr(psz); return *this; } + wxString& operator+=(const wchar_t *pwz) + { m_impl += ImplStr(pwz); return *this; } wxString& operator+=(const wxCStrData& s) - { return (wxString&)wxStringBase::operator+=(s.AsString()); } + { m_impl += s.AsString().m_impl; return *this; } // string += char wxString& operator+=(wxUniChar ch) - { return (wxString&)wxStringBase::operator+=(ch); } + { m_impl += EncodeChar(ch); return *this; } wxString& operator+=(wxUniCharRef ch) { return *this += wxUniChar(ch); } + wxString& operator+=(int ch) { return *this += wxUniChar(ch); } wxString& operator+=(char ch) { return *this += wxUniChar(ch); } wxString& operator+=(unsigned char ch) { return *this += wxUniChar(ch); } wxString& operator+=(wchar_t ch) { return *this += wxUniChar(ch); } private: -#if !wxUSE_STL_BASED_WXSTRING +#if !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 // helpers for wxStringBuffer and wxStringBufferLength - wxChar *DoGetWriteBuf(size_t nLen); - void DoUngetWriteBuf(); - void DoUngetWriteBuf(size_t nLen); + wxStringCharType *DoGetWriteBuf(size_t nLen) + { return m_impl.DoGetWriteBuf(nLen); } + void DoUngetWriteBuf() + { m_impl.DoUngetWriteBuf(); } + void DoUngetWriteBuf(size_t nLen) + { m_impl.DoUngetWriteBuf(nLen); } friend class WXDLLIMPEXP_BASE wxStringBuffer; friend class WXDLLIMPEXP_BASE wxStringBufferLength; -#endif +#endif // !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 #ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN int DoPrintf(const wxChar *format, ...) ATTRIBUTE_PRINTF_2; static wxString DoFormat(const wxChar *format, ...) ATTRIBUTE_PRINTF_1; #endif + +#if !wxUSE_STL_BASED_WXSTRING + // check string's data validity + bool IsValid() const { return m_impl.GetStringData()->IsValid(); } +#endif + +private: + wxStringImpl m_impl; }; #ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN #pragma warning (default:4275) #endif +// string iterator operators that satisfy STL Random Access Iterator +// requirements: +inline wxString::iterator operator+(int n, wxString::iterator i) + { return i + n; } +inline wxString::iterator operator+(size_t n, wxString::iterator i) + { return i + n; } +inline wxString::const_iterator operator+(int n, wxString::const_iterator i) + { return i + n; } +inline wxString::const_iterator operator+(size_t n, wxString::const_iterator i) + { return i + n; } +inline wxString::reverse_iterator operator+(int n, wxString::reverse_iterator i) + { return i + n; } +inline wxString::reverse_iterator operator+(size_t n, wxString::reverse_iterator i) + { return i + n; } +inline wxString::const_reverse_iterator operator+(int n, wxString::const_reverse_iterator i) + { return i + n; } +inline wxString::const_reverse_iterator operator+(size_t n, wxString::const_reverse_iterator i) + { return i + n; } + // notice that even though for many compilers the friend declarations above are // enough, from the point of view of C++ standard we must have the declarations // here as friend ones are not injected in the enclosing namespace and without // them the code fails to compile with conforming compilers such as xlC or g++4 wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2); -wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz); -wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string); +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const char *psz); +wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wchar_t *pwz); +wxString WXDLLIMPEXP_BASE operator+(const char *psz, const wxString& string); +wxString WXDLLIMPEXP_BASE operator+(const wchar_t *pwz, const wxString& string); wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxUniChar ch); wxString WXDLLIMPEXP_BASE operator+(wxUniChar ch, const wxString& string); @@ -1750,7 +2068,7 @@ inline wxString operator+(wchar_t ch, const wxString& string) // wxStringBuffer: a tiny class allowing to get a writable pointer into string // ---------------------------------------------------------------------------- -#if wxUSE_STL_BASED_WXSTRING +#if wxUSE_STL_BASED_WXSTRING || wxUSE_UNICODE_UTF8 class WXDLLIMPEXP_BASE wxStringBuffer { @@ -1803,7 +2121,7 @@ private: DECLARE_NO_COPY_CLASS(wxStringBufferLength) }; -#else // if !wxUSE_STL_BASED_WXSTRING +#else // if !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 class WXDLLIMPEXP_BASE wxStringBuffer { @@ -1851,17 +2169,12 @@ private: DECLARE_NO_COPY_CLASS(wxStringBufferLength) }; -#endif // !wxUSE_STL_BASED_WXSTRING +#endif // !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8 // --------------------------------------------------------------------------- // wxString comparison functions: operator versions are always case sensitive // --------------------------------------------------------------------------- -// note that when wxUSE_STL_BASED_WXSTRING == 1 the comparison operators taking -// std::string are used and defining them also for wxString would only result -// in compilation ambiguities when comparing std::string and wxString -#if !wxUSE_STL_BASED_WXSTRING - #define wxCMP_WXCHAR_STRING(p, s, op) s.Cmp(p) op 0 wxDEFINE_ALL_COMPARISONS(const wxChar *, const wxString&, wxCMP_WXCHAR_STRING) @@ -1915,10 +2228,7 @@ inline wxString operator+(const wxCharBuffer& buf, const wxString& string) { return (const char *)buf + string; } #endif // wxUSE_UNICODE/!wxUSE_UNICODE -#endif // !wxUSE_STL_BASED_WXSTRING - -// comparison with char (those are not defined by std::[w]string and so should -// be always available) +// comparison with char inline bool operator==(const wxUniChar& c, const wxString& s) { return s.IsSameAs(c); } inline bool operator==(const wxUniCharRef& c, const wxString& s) { return s.IsSameAs(c); } inline bool operator==(char c, const wxString& s) { return s.IsSameAs(c); } @@ -1957,12 +2267,8 @@ wxDEFINE_ALL_COMPARISONS(const char *, const wxString&, wxCMP_CHAR_STRING) #define wxCMP_CHAR_CSTRDATA(p, s, op) p op s.AsChar() #define wxCMP_WCHAR_CSTRDATA(p, s, op) p op s.AsWChar() -// FIXME: these ifdefs must be removed when wxCStrData has both conversions -#if wxUSE_UNICODE - wxDEFINE_ALL_COMPARISONS(const wchar_t *, const wxCStrData&, wxCMP_WCHAR_CSTRDATA) -#else - wxDEFINE_ALL_COMPARISONS(const char *, const wxCStrData&, wxCMP_CHAR_CSTRDATA) -#endif +wxDEFINE_ALL_COMPARISONS(const wchar_t *, const wxCStrData&, wxCMP_WCHAR_CSTRDATA) +wxDEFINE_ALL_COMPARISONS(const char *, const wxCStrData&, wxCMP_CHAR_CSTRDATA) #undef wxCMP_CHAR_CSTRDATA #undef wxCMP_WCHAR_CSTRDATA @@ -1977,6 +2283,10 @@ wxDEFINE_ALL_COMPARISONS(const char *, const wxString&, wxCMP_CHAR_STRING) WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCStrData&); +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCharBuffer&); +#ifndef __BORLANDC__ +WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxWCharBuffer&); +#endif #endif // wxSTD_STRING_COMPATIBILITY @@ -1995,17 +2305,26 @@ inline wxCStrData::~wxCStrData() delete m_str; } -#if wxUSE_UNICODE +inline wxCStrData::operator bool() const +{ + return !m_str->empty(); +}; + +// simple cases for AsChar() and AsWChar(), the complicated ones are +// in string.cpp +#if wxUSE_UNICODE_WCHAR inline const wchar_t* wxCStrData::AsWChar() const -#else +{ + return m_str->wx_str() + m_offset; +} +#endif // wxUSE_UNICODE_WCHAR + +#if !wxUSE_UNICODE inline const char* wxCStrData::AsChar() const -#endif { - if ( m_offset == 0 ) - return m_str->wx_str(); // FIXME - else - return (const wxChar*)(m_str->begin() + m_offset); + return m_str->wx_str() + m_offset; } +#endif // !wxUSE_UNICODE inline wxString wxCStrData::AsString() const { @@ -2015,8 +2334,6 @@ inline wxString wxCStrData::AsString() const return m_str->Mid(m_offset); } -inline wxCStrData::operator wxString() const { return AsString(); } - inline wxUniChar wxCStrData::operator*() const { if ( m_str->empty() ) @@ -2031,32 +2348,34 @@ inline wxUniChar wxCStrData::operator[](size_t n) const } // ---------------------------------------------------------------------------- -// implementation of wxString inline methods using wxCStrData +// more wxCStrData operators // ---------------------------------------------------------------------------- -inline wxString& wxString::operator=(const wxCStrData& cstr) +// we need to define those to allow "size_t pos = p - s.c_str()" where p is +// some pointer into the string +inline size_t operator-(const char *p, const wxCStrData& cs) +{ + return p - cs.AsChar(); +} + +inline size_t operator-(const wchar_t *p, const wxCStrData& cs) { - return *this = cstr.AsString(); + return p - cs.AsWChar(); } // ---------------------------------------------------------------------------- // implementation of wx[W]CharBuffer inline methods using wxCStrData // ---------------------------------------------------------------------------- -#if wxUSE_UNICODE - -inline wxWCharBuffer::wxWCharBuffer(const wxCStrData& cstr) - : m_str(wxStrdupW(cstr)) +// FIXME-UTF8: move this to buffer.h +inline wxCharBuffer::wxCharBuffer(const wxCStrData& cstr) + : wxCharTypeBufferBase(cstr.AsChar()) { } -#else // !wxUSE_UNICODE - -inline wxCharBuffer::wxCharBuffer(const wxCStrData& cstr) - : m_str(wxStrdupA(cstr)) +inline wxWCharBuffer::wxWCharBuffer(const wxCStrData& cstr) + : wxCharTypeBufferBase(cstr.AsWChar()) { } -#endif // wxUSE_UNICODE/!wxUSE_UNICODE - -#endif // _WX_WXSTRINGH__ +#endif // _WX_WXSTRING_H_