///////////////////////////////////////////////////////////////////////////////
// Name: wx/string.h
-// Purpose: wxString and wxArrayString classes
+// Purpose: wxString class
// Author: Vadim Zeitlin
// Modified by:
// Created: 29/01/98
missing from string.h.
*/
-#ifndef _WX_WXSTRINGH__
-#define _WX_WXSTRINGH__
+#ifndef _WX_WXSTRING_H__
+#define _WX_WXSTRING_H__
// ----------------------------------------------------------------------------
// headers
#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;
#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
// ----------------------------------------------------------------------------
// 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()
#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 <string>
-#include "wx/afterstd.h"
-
-#if wxUSE_UNICODE
- #ifdef HAVE_STD_WSTRING
- typedef std::wstring wxStdString;
- #else
- typedef std::basic_string<wxChar> wxStdString;
- #endif
-#else
- typedef std::string wxStdString;
-#endif
-
-#endif // need <string>
-
-#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 <typename T>
- 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<iterator> reverse_iterator;
- typedef reverse_iterator_impl<const_iterator> 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); }
-};
-
-#endif // !wxUSE_STL_BASED_WXSTRING
-
// ----------------------------------------------------------------------------
// wxCStrData
// ----------------------------------------------------------------------------
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 "<symbol> 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(); }
-#endif
+ operator const unsigned char*() const { return AsUnsignedChar(); }
- 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)); }
wxCStrData operator+(size_t n) const
{ return wxCStrData(m_str, m_offset + n, m_owned); }
- // this operator is need to make expressions like "*c_str()" or
+ // 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;
#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
// 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<typename T>
+ 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<const wchar_t*> SubstrBufFromWC;
+ typedef SubstrBufFromType<wxWCharBuffer> SubstrBufFromMB;
+#else
+ typedef SubstrBufFromType<const char*> SubstrBufFromMB;
+ typedef SubstrBufFromType<wxCharBuffer> 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);
+ }
-#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) { }
+ // 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);
+ }
-#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
+ // 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) {}
+
+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; } \
+ \
+ difference_type 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 <typename T>
+ 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 <T> in the functions below is to keep BCC 5.5 happy
+ reverse_iterator_impl operator+(int n) const
+ { return reverse_iterator_impl<T>(m_cur - n); }
+ reverse_iterator_impl operator+(size_t n) const
+ { return reverse_iterator_impl<T>(m_cur - n); }
+ reverse_iterator_impl operator-(int n) const
+ { return reverse_iterator_impl<T>(m_cur + n); }
+ reverse_iterator_impl operator-(size_t n) const
+ { return reverse_iterator_impl<T>(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<iterator> reverse_iterator;
+ typedef reverse_iterator_impl<const_iterator> const_reverse_iterator;
+
+ // 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
+
+ size_type size() const { return length(); }
+ size_type max_size() const { return npos; }
+
+ bool empty() const { return m_impl.empty(); }
+
+ size_type capacity() const { return m_impl.capacity(); } // FIXME-UTF8
+ void reserve(size_t sz) { m_impl.reserve(sz); } // FIXME-UTF8
+
+ void resize(size_t nSize, wxUniChar ch = wxT('\0'))
+ {
+#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);
+ }
- // from wxCharBuffer
- wxString(const wxCharBuffer& psz)
- : wxStringBase(psz) { }
-#endif // Unicode/ANSI
+ 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()
// 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
{ at(n) = ch; }
// get last character
- wxUniChar Last() const
+ wxUniChar Last() const
{
wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
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
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 ) ); }
// 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
// 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
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)
}
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; }
{ 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)
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
// 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
// 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
// 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
+#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
// call this immediately after GetWriteBuf() has been used
wxDEPRECATED( void UngetWriteBuf() );
wxDEPRECATED( void UngetWriteBuf(size_t nLen) );
-#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL
+#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING && wxUSE_UNICODE_UTF8
// wxWidgets version 1 compatibility functions
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;
{ 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()
// 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;
+
+ // buffers for compatibility conversion from (char*)c_str() and
+ // (wchar_t*)c_str():
+ // FIXME-UTF8: bechmark various approaches to keeping compatibility buffers
+ template<typename T>
+ struct ConvertedBuffer
+ {
+ ConvertedBuffer() : m_buf(NULL) {}
+ ~ConvertedBuffer()
+ { free(m_buf); }
+
+ operator const T*() const { return m_buf; }
+
+ ConvertedBuffer& operator=(T *str)
+ {
+ free(m_buf);
+ m_buf = str;
+ return *this;
+ }
+
+ T *m_buf;
+ };
+#if wxUSE_UNICODE
+ ConvertedBuffer<char> m_convertedToChar;
+#endif
+#if !wxUSE_UNICODE_WCHAR
+ ConvertedBuffer<wchar_t> m_convertedToWChar;
+#endif
+ friend class WXDLLIMPEXP_BASE wxCStrData;
};
#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);
// 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
{
DECLARE_NO_COPY_CLASS(wxStringBufferLength)
};
-#else // if !wxUSE_STL_BASED_WXSTRING
+#else // if !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8
class WXDLLIMPEXP_BASE wxStringBuffer
{
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)
+#undef wxCMP_WXCHAR_STRING
+
+// note that there is an optimization in operator==() and !=(): we (quickly)
+// checks the strings length first, before comparing their data
inline bool operator==(const wxString& s1, const wxString& s2)
{ return (s1.Len() == s2.Len()) && (s1.Cmp(s2) == 0); }
-inline bool operator==(const wxString& s1, const wxChar * s2)
- { return s1.Cmp(s2) == 0; }
-inline bool operator==(const wxChar * s1, const wxString& s2)
- { return s2.Cmp(s1) == 0; }
inline bool operator!=(const wxString& s1, const wxString& s2)
{ return (s1.Len() != s2.Len()) || (s1.Cmp(s2) != 0); }
-inline bool operator!=(const wxString& s1, const wxChar * s2)
- { return s1.Cmp(s2) != 0; }
-inline bool operator!=(const wxChar * s1, const wxString& s2)
- { return s2.Cmp(s1) != 0; }
inline bool operator< (const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) < 0; }
-inline bool operator< (const wxString& s1, const wxChar * s2)
- { return s1.Cmp(s2) < 0; }
-inline bool operator< (const wxChar * s1, const wxString& s2)
- { return s2.Cmp(s1) > 0; }
inline bool operator> (const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) > 0; }
-inline bool operator> (const wxString& s1, const wxChar * s2)
- { return s1.Cmp(s2) > 0; }
-inline bool operator> (const wxChar * s1, const wxString& s2)
- { return s2.Cmp(s1) < 0; }
inline bool operator<=(const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) <= 0; }
-inline bool operator<=(const wxString& s1, const wxChar * s2)
- { return s1.Cmp(s2) <= 0; }
-inline bool operator<=(const wxChar * s1, const wxString& s2)
- { return s2.Cmp(s1) >= 0; }
inline bool operator>=(const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) >= 0; }
-inline bool operator>=(const wxString& s1, const wxChar * s2)
- { return s1.Cmp(s2) >= 0; }
-inline bool operator>=(const wxChar * s1, const wxString& s2)
- { return s2.Cmp(s1) <= 0; }
#if wxUSE_UNICODE
inline bool operator==(const wxString& s1, const wxWCharBuffer& s2)
{ 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); }
// comparison with C string in Unicode build
#if wxUSE_UNICODE
-inline bool operator==(const wxString& s1, const char* s2)
- { return s1 == wxString(s2); }
-inline bool operator==(const char* s1, const wxString& s2)
- { return wxString(s1) == s2; }
-inline bool operator!=(const wxString& s1, const char* s2)
- { return s1 != wxString(s2); }
-inline bool operator!=(const char* s1, const wxString& s2)
- { return wxString(s1) != s2; }
-inline bool operator< (const wxString& s1, const char* s2)
- { return s1 < wxString(s2); }
-inline bool operator< (const char* s1, const wxString& s2)
- { return wxString(s1) < s2; }
-inline bool operator> (const wxString& s1, const char* s2)
- { return s1 > wxString(s2); }
-inline bool operator> (const char* s1, const wxString& s2)
- { return wxString(s1) > s2; }
-inline bool operator<=(const wxString& s1, const char* s2)
- { return s1 <= wxString(s2); }
-inline bool operator<=(const char* s1, const wxString& s2)
- { return wxString(s1) <= s2; }
-inline bool operator>=(const wxString& s1, const char* s2)
- { return s1 >= wxString(s2); }
-inline bool operator>=(const char* s1, const wxString& s2)
- { return wxString(s1) >= s2; }
+
+#define wxCMP_CHAR_STRING(p, s, op) wxString(p) op s
+
+wxDEFINE_ALL_COMPARISONS(const char *, const wxString&, wxCMP_CHAR_STRING)
+
+#undef wxCMP_CHAR_STRING
+
#endif // wxUSE_UNICODE
+// we also need to provide the operators for comparison with wxCStrData to
+// resolve ambiguity between operator(const wxChar *,const wxString &) and
+// operator(const wxChar *, const wxChar *) for "p == s.c_str()"
+//
+// notice that these are (shallow) pointer comparisons, not (deep) string ones
+#define wxCMP_CHAR_CSTRDATA(p, s, op) p op s.AsChar()
+#define wxCMP_WCHAR_CSTRDATA(p, s, op) p op s.AsWChar()
+
+wxDEFINE_ALL_COMPARISONS(const wchar_t *, const wxCStrData&, wxCMP_WCHAR_CSTRDATA)
+wxDEFINE_ALL_COMPARISONS(const char *, const wxCStrData&, wxCMP_CHAR_CSTRDATA)
+
+#undef wxCMP_CHAR_CSTRDATA
+#undef wxCMP_WCHAR_CSTRDATA
+
// ---------------------------------------------------------------------------
// Implementation only from here until the end of file
// ---------------------------------------------------------------------------
-// don't pollute the library user's name space
-#undef wxASSERT_VALID_INDEX
-
#if wxUSE_STD_IOSTREAM
#include "wx/iosfwrap.h"
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&);
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCStrData&);
+WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCharBuffer&);
+#ifndef __BORLANDC__
+WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxWCharBuffer&);
+#endif
#endif // wxSTD_STRING_COMPATIBILITY
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
{
return m_str->Mid(m_offset);
}
-inline wxCStrData::operator wxString() const { return AsString(); }
-
inline wxUniChar wxCStrData::operator*() const
{
if ( m_str->empty() )
}
// ----------------------------------------------------------------------------
-// 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_
projects / wxWidgets.git / blobdiff