LIB instead of Static, better aligned

[wxWidgets.git] / src / common / string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 1107cc55cf71076e97376dea15bc6de2a86ea9a6..f02faad0daf1418a207fb04c078812b530b986cd 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -6,11 +6,11 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation "string.h"
+  #pragma implementation "string.h"

 #endif
 
 /*
 #endif
 
 /*


@@ -28,13 +28,14 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+  #pragma hdrstop

 #endif
 
 #ifndef WX_PRECOMP
   #include "wx/defs.h"
   #include "wx/string.h"
   #include "wx/intl.h"
 #endif
 
 #ifndef WX_PRECOMP
   #include "wx/defs.h"
   #include "wx/string.h"
   #include "wx/intl.h"

+  #include "wx/thread.h"

 #endif
 
 #include <ctype.h>
 #endif
 
 #include <ctype.h>


@@ -42,17 +43,9 @@
 #include <stdlib.h>
 
 #ifdef __SALFORDC__
 #include <stdlib.h>
 
 #ifdef __SALFORDC__

-#include <clib.h>
+  #include <clib.h>

 #endif
 
 #endif
 

-#if wxUSE_WCSRTOMBS
-  #include <wchar.h>    // for wcsrtombs(), see comments where it's used
-#endif // GNU
-
-#ifdef  WXSTRING_IS_WXOBJECT
-  IMPLEMENT_DYNAMIC_CLASS(wxString, wxObject)
-#endif  //WXSTRING_IS_WXOBJECT
-

 // allocating extra space for each string consumes more memory but speeds up
 // the concatenation operations (nLen is the current string's length)
 // NB: EXTRA_ALLOC must be >= 0!
 // allocating extra space for each string consumes more memory but speeds up
 // the concatenation operations (nLen is the current string's length)
 // NB: EXTRA_ALLOC must be >= 0!


@@ -62,65 +55,52 @@
 // static class variables definition
 // ---------------------------------------------------------------------------
 
 // static class variables definition
 // ---------------------------------------------------------------------------
 

-#ifdef  wxSTD_STRING_COMPATIBILITY
-  const size_t wxString::npos = STRING_MAXLEN;
-#endif // wxSTD_STRING_COMPATIBILITY
+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+// must define this static for VA or else you get multiply defined symbols
+// everywhere
+const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100;
+#endif // Visual Age
+
+#if !wxUSE_STL
+  const size_t wxStringBase::npos = wxSTRING_MAXLEN;
+#endif

 
 // ----------------------------------------------------------------------------
 // static data
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // static data
 // ----------------------------------------------------------------------------
 

+#if wxUSE_STL
+
+extern const wxChar WXDLLIMPEXP_BASE *wxEmptyString = _T("");
+
+#else
+

 // for an empty string, GetStringData() will return this address: this
 // structure has the same layout as wxStringData and it's data() method will
 // return the empty string (dummy pointer)
 static const struct
 {
   wxStringData data;
 // for an empty string, GetStringData() will return this address: this
 // structure has the same layout as wxStringData and it's data() method will
 // return the empty string (dummy pointer)
 static const struct
 {
   wxStringData data;

-  char dummy;
-} g_strEmpty = { {-1, 0, 0}, '\0' };
+  wxChar dummy;
+} g_strEmpty = { {-1, 0, 0}, wxT('\0') };

 
 // empty C style string: points to 'string data' byte of g_strEmpty
 
 // empty C style string: points to 'string data' byte of g_strEmpty

-extern const char WXDLLEXPORT *g_szNul = &g_strEmpty.dummy;
+extern const wxChar WXDLLIMPEXP_BASE *wxEmptyString = &g_strEmpty.dummy;

 
 

-// ----------------------------------------------------------------------------
-// conditional compilation
-// ----------------------------------------------------------------------------
-
-// we want to find out if the current platform supports vsnprintf()-like
-// function: for Unix this is done with configure, for Windows we test the
-// compiler explicitly.
-#ifdef __WXMSW__
-    #ifdef __VISUALC__
-        #define wxVsprintf     _vsnprintf
-    #endif
-#else   // !Windows
-    #ifdef HAVE_VSNPRINTF
-        #define wxVsprintf       vsnprintf
-    #endif
-#endif  // Windows/!Windows
-
-#ifndef wxVsprintf
-    // in this case we'll use vsprintf() (which is ANSI and thus should be
-    // always available), but it's unsafe because it doesn't check for buffer
-    // size - so give a warning
-    #define wxVsprintf(buffer,len,format,argptr) vsprintf(buffer,format, argptr)
-#ifndef __SC__
-    #pragma message("Using sprintf() because no snprintf()-like function defined")

 #endif
 #endif

-#endif // no vsnprintf

 
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
 

-#ifdef  wxSTD_STRING_COMPATIBILITY
+#if wxUSE_STD_IOSTREAM

 
 // MS Visual C++ version 5.0 provides the new STL headers as well as the old
 // iostream ones.
 //
 // ATTN: you can _not_ use both of these in the same program!
 
 
 // MS Visual C++ version 5.0 provides the new STL headers as well as the old
 // iostream ones.
 //
 // ATTN: you can _not_ use both of these in the same program!
 

-istream& operator>>(istream& is, wxString& WXUNUSED(str))
+wxSTD istream& operator>>(wxSTD istream& is, wxString& WXUNUSED(str))

 {
 #if 0
   int w = is.width(0);
 {
 #if 0
   int w = is.width(0);


@@ -151,7 +131,13 @@ istream& operator>>(istream& is, wxString& WXUNUSED(str))
   return is;
 }
 
   return is;
 }
 

-#endif  //std::string compatibility
+wxSTD ostream& operator<<(wxSTD ostream& os, const wxString& str)
+{
+  os << str.c_str();
+  return os;
+}
+
+#endif // wxUSE_STD_IOSTREAM

 
 // ----------------------------------------------------------------------------
 // private classes
 
 // ----------------------------------------------------------------------------
 // private classes


@@ -163,15 +149,15 @@ istream& operator>>(istream& is, wxString& WXUNUSED(str))
   class Averager
   {
   public:
   class Averager
   {
   public:

-    Averager(const char *sz) { m_sz = sz; m_nTotal = m_nCount = 0; }
+    Averager(const wxChar *sz) { m_sz = sz; m_nTotal = m_nCount = 0; }

    ~Averager()
    ~Averager()

-   { printf("wxString: average %s = %f\n", m_sz, ((float)m_nTotal)/m_nCount); }
+   { wxPrintf("wxString: average %s = %f\n", m_sz, ((float)m_nTotal)/m_nCount); }

 
     void Add(size_t n) { m_nTotal += n; m_nCount++; }
 
   private:
     size_t m_nCount, m_nTotal;
 
     void Add(size_t n) { m_nTotal += n; m_nCount++; }
 
   private:
     size_t m_nCount, m_nTotal;

-    const char *m_sz;
+    const wxChar *m_sz;

   } g_averageLength("allocation size"),
     g_averageSummandLength("summand length"),
     g_averageConcatHit("hit probability in concat"),
   } g_averageLength("allocation size"),
     g_averageSummandLength("summand length"),
     g_averageConcatHit("hit probability in concat"),


@@ -183,87 +169,58 @@ istream& operator>>(istream& is, wxString& WXUNUSED(str))
 #endif // WXSTRING_STATISTICS
 
 // ===========================================================================
 #endif // WXSTRING_STATISTICS
 
 // ===========================================================================

-// wxString class core
+// wxStringData class deallocation

 // ===========================================================================
 
 // ===========================================================================
 

-// ---------------------------------------------------------------------------
-// construction
-// ---------------------------------------------------------------------------
-
-// constructs string of <nLength> copies of character <ch>
-wxString::wxString(char ch, size_t nLength)
+#if defined(__VISUALC__) && defined(_MT) && !defined(_DLL)
+#  pragma message (__FILE__ ": building with Multithreaded non DLL runtime has a performance impact on wxString!")
+void wxStringData::Free()

 {
 {

-  Init();
-
-  if ( nLength > 0 ) {
-    AllocBuffer(nLength);
+    free(this);
+}
+#endif

 
 

-    wxASSERT( sizeof(char) == 1 );  // can't use memset if not
+#if !wxUSE_STL

 
 

-    memset(m_pchData, ch, nLength);
-  }
-}
+// ===========================================================================
+// wxStringBase
+// ===========================================================================

 
 // takes nLength elements of psz starting at nPos
 
 // takes nLength elements of psz starting at nPos

-void wxString::InitWith(const char *psz, size_t nPos, size_t nLength)
+void wxStringBase::InitWith(const wxChar *psz, size_t nPos, size_t nLength)

 {
   Init();
 
 {
   Init();
 

-  wxASSERT( nPos <= Strlen(psz) );
+  // if the length is not given, assume the string to be NUL terminated
+  if ( nLength == npos ) {
+    wxASSERT_MSG( nPos <= wxStrlen(psz), _T("index out of bounds") );

 
 

-  if ( nLength == STRING_MAXLEN )
-    nLength = Strlen(psz + nPos);
+    nLength = wxStrlen(psz + nPos);
+  }

 
   STATISTICS_ADD(InitialLength, nLength);
 
   if ( nLength > 0 ) {
     // trailing '\0' is written in AllocBuffer()
 
   STATISTICS_ADD(InitialLength, nLength);
 
   if ( nLength > 0 ) {
     // trailing '\0' is written in AllocBuffer()

-    AllocBuffer(nLength);
-    memcpy(m_pchData, psz + nPos, nLength*sizeof(char));
+    if ( !AllocBuffer(nLength) ) {
+      wxFAIL_MSG( _T("out of memory in wxStringBase::InitWith") );
+      return;
+    }
+    memcpy(m_pchData, psz + nPos, nLength*sizeof(wxChar));

   }
 }
 
   }
 }
 

-// the same as previous constructor, but for compilers using unsigned char
-wxString::wxString(const unsigned char* psz, size_t nLength)
-{
-  InitWith((const char *)psz, 0, nLength);
-}
-
-#ifdef  wxSTD_STRING_COMPATIBILITY
-

 // poor man's iterators are "void *" pointers
 // poor man's iterators are "void *" pointers

-wxString::wxString(const void *pStart, const void *pEnd)
+wxStringBase::wxStringBase(const void *pStart, const void *pEnd)

 {
 {

-  InitWith((const char *)pStart, 0,
-           (const char *)pEnd - (const char *)pStart);
+  InitWith((const wxChar *)pStart, 0,
+           (const wxChar *)pEnd - (const wxChar *)pStart);

 }
 
 }
 

-#endif  //std::string compatibility
-
-// from wide string
-wxString::wxString(const wchar_t *pwz)
-{
-  // first get necessary size
-
-  // NB: GNU libc5 wcstombs() is completely broken, don't use it (it doesn't
-  //     honor the 3rd parameter, thus it will happily crash here).
-#if wxUSE_WCSRTOMBS
-  // don't know if it's really needed (or if we can pass NULL), but better safe
-  // than quick
-  mbstate_t mbstate;  
-  size_t nLen = wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
-#else  // !GNU libc
-  size_t nLen = wcstombs((char *) NULL, pwz, 0);
-#endif // GNU
-
-  // empty?
-  if ( nLen != 0 ) {
-    AllocBuffer(nLen);
-    wcstombs(m_pchData, pwz, nLen);
-  }
-  else {
-    Init();
-  }
+wxStringBase::wxStringBase(size_type n, wxChar ch)
+{
+  Init();
+  append(n, ch);

 }
 
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------


@@ -271,10 +228,15 @@ wxString::wxString(const wchar_t *pwz)
 // ---------------------------------------------------------------------------
 
 // allocates memory needed to store a C string of length nLen
 // ---------------------------------------------------------------------------
 
 // allocates memory needed to store a C string of length nLen

-void wxString::AllocBuffer(size_t nLen)
+bool wxStringBase::AllocBuffer(size_t nLen)

 {
 {

-  wxASSERT( nLen >  0         );    //
-  wxASSERT( nLen <= INT_MAX-1 );    // max size (enough room for 1 extra)
+  // allocating 0 sized buffer doesn't make sense, all empty strings should
+  // reuse g_strEmpty
+  wxASSERT( nLen >  0 );
+
+  // make sure that we don't overflow
+  wxASSERT( nLen < (INT_MAX / sizeof(wxChar)) -
+                   (sizeof(wxStringData) + EXTRA_ALLOC + 1) );

 
   STATISTICS_ADD(Length, nLen);
 
 
   STATISTICS_ADD(Length, nLen);
 


@@ -282,51 +244,117 @@ void wxString::AllocBuffer(size_t nLen)
   // 1) one extra character for '\0' termination
   // 2) sizeof(wxStringData) for housekeeping info
   wxStringData* pData = (wxStringData*)
   // 1) one extra character for '\0' termination
   // 2) sizeof(wxStringData) for housekeeping info
   wxStringData* pData = (wxStringData*)

-    malloc(sizeof(wxStringData) + (nLen + EXTRA_ALLOC + 1)*sizeof(char));
+    malloc(sizeof(wxStringData) + (nLen + EXTRA_ALLOC + 1)*sizeof(wxChar));
+
+  if ( pData == NULL ) {
+    // allocation failures are handled by the caller
+    return FALSE;
+  }
+

   pData->nRefs        = 1;
   pData->nDataLength  = nLen;
   pData->nAllocLength = nLen + EXTRA_ALLOC;
   m_pchData           = pData->data();  // data starts after wxStringData
   pData->nRefs        = 1;
   pData->nDataLength  = nLen;
   pData->nAllocLength = nLen + EXTRA_ALLOC;
   m_pchData           = pData->data();  // data starts after wxStringData

-  m_pchData[nLen]     = '\0';
+  m_pchData[nLen]     = wxT('\0');
+  return TRUE;

 }
 
 // must be called before changing this string
 }
 
 // must be called before changing this string

-void wxString::CopyBeforeWrite()
+bool wxStringBase::CopyBeforeWrite()

 {
   wxStringData* pData = GetStringData();
 
   if ( pData->IsShared() ) {
     pData->Unlock();                // memory not freed because shared
     size_t nLen = pData->nDataLength;
 {
   wxStringData* pData = GetStringData();
 
   if ( pData->IsShared() ) {
     pData->Unlock();                // memory not freed because shared
     size_t nLen = pData->nDataLength;

-    AllocBuffer(nLen);
-    memcpy(m_pchData, pData->data(), nLen*sizeof(char));
+    if ( !AllocBuffer(nLen) ) {
+      // allocation failures are handled by the caller
+      return FALSE;
+    }
+    memcpy(m_pchData, pData->data(), nLen*sizeof(wxChar));

   }
 
   wxASSERT( !GetStringData()->IsShared() );  // we must be the only owner
   }
 
   wxASSERT( !GetStringData()->IsShared() );  // we must be the only owner

+
+  return TRUE;

 }
 
 // must be called before replacing contents of this string
 }
 
 // must be called before replacing contents of this string

-void wxString::AllocBeforeWrite(size_t nLen)
+bool wxStringBase::AllocBeforeWrite(size_t nLen)

 {
   wxASSERT( nLen != 0 );  // doesn't make any sense
 
   // must not share string and must have enough space
   wxStringData* pData = GetStringData();
 {
   wxASSERT( nLen != 0 );  // doesn't make any sense
 
   // must not share string and must have enough space
   wxStringData* pData = GetStringData();

-  if ( pData->IsShared() || (nLen > pData->nAllocLength) ) {
+  if ( pData->IsShared() || pData->IsEmpty() ) {

     // can't work with old buffer, get new one
     pData->Unlock();
     // can't work with old buffer, get new one
     pData->Unlock();

-    AllocBuffer(nLen);
+    if ( !AllocBuffer(nLen) ) {
+      // allocation failures are handled by the caller
+      return FALSE;
+    }

   }
   else {
   }
   else {

-    // update the string length
+    if ( nLen > pData->nAllocLength ) {
+      // realloc the buffer instead of calling malloc() again, this is more
+      // efficient
+      STATISTICS_ADD(Length, nLen);
+
+      nLen += EXTRA_ALLOC;
+
+      pData = (wxStringData*)
+          realloc(pData, sizeof(wxStringData) + (nLen + 1)*sizeof(wxChar));
+
+      if ( pData == NULL ) {
+        // allocation failures are handled by the caller
+        // keep previous data since reallocation failed
+        return FALSE;
+      }
+
+      pData->nAllocLength = nLen;
+      m_pchData = pData->data();
+    }
+
+    // now we have enough space, just update the string length

     pData->nDataLength = nLen;
   }
 
   wxASSERT( !GetStringData()->IsShared() );  // we must be the only owner
     pData->nDataLength = nLen;
   }
 
   wxASSERT( !GetStringData()->IsShared() );  // we must be the only owner

+
+  return TRUE;
+}
+
+wxStringBase& wxStringBase::append(size_t n, wxChar ch)
+{
+    size_type len = length();
+
+    if ( !CopyBeforeWrite() || !Alloc(len + n) ) {
+      wxFAIL_MSG( _T("out of memory in wxStringBase::append") );
+    }
+    GetStringData()->nDataLength = len + n;
+    m_pchData[len + n] = '\0';
+    for ( size_t i = 0; i < n; ++i )
+        m_pchData[len + i] = ch;
+    return *this;
+}
+
+void wxStringBase::resize(size_t nSize, wxChar ch)
+{
+    size_t len = length();
+
+    if ( nSize < len )
+    {
+        erase(begin() + nSize, end());
+    }
+    else if ( nSize > len )
+    {
+        append(nSize - len, ch);
+    }
+    //else: we have exactly the specified length, nothing to do

 }
 
 // allocate enough memory for nLen characters
 }
 
 // allocate enough memory for nLen characters

-void wxString::Alloc(size_t nLen)
+bool wxStringBase::Alloc(size_t nLen)

 {
   wxStringData *pData = GetStringData();
   if ( pData->nAllocLength <= nLen ) {
 {
   wxStringData *pData = GetStringData();
   if ( pData->nAllocLength <= nLen ) {


@@ -334,99 +362,311 @@ void wxString::Alloc(size_t nLen)
       nLen += EXTRA_ALLOC;
 
       wxStringData* pData = (wxStringData*)
       nLen += EXTRA_ALLOC;
 
       wxStringData* pData = (wxStringData*)

-        malloc(sizeof(wxStringData) + (nLen + 1)*sizeof(char));
+          malloc(sizeof(wxStringData) + (nLen + 1)*sizeof(wxChar));
+
+      if ( pData == NULL ) {
+        // allocation failure handled by caller
+        return FALSE;
+      }
+

       pData->nRefs = 1;
       pData->nDataLength = 0;
       pData->nAllocLength = nLen;
       m_pchData = pData->data();  // data starts after wxStringData
       pData->nRefs = 1;
       pData->nDataLength = 0;
       pData->nAllocLength = nLen;
       m_pchData = pData->data();  // data starts after wxStringData

-      m_pchData[0u] = '\0';
+      m_pchData[0u] = wxT('\0');

     }
     else if ( pData->IsShared() ) {
       pData->Unlock();                // memory not freed because shared
       size_t nOldLen = pData->nDataLength;
     }
     else if ( pData->IsShared() ) {
       pData->Unlock();                // memory not freed because shared
       size_t nOldLen = pData->nDataLength;

-      AllocBuffer(nLen);
-      memcpy(m_pchData, pData->data(), nOldLen*sizeof(char));
+      if ( !AllocBuffer(nLen) ) {
+        // allocation failure handled by caller
+        return FALSE;
+      }
+      memcpy(m_pchData, pData->data(), nOldLen*sizeof(wxChar));

     }
     else {
       nLen += EXTRA_ALLOC;
 
     }
     else {
       nLen += EXTRA_ALLOC;
 

-      wxStringData *p = (wxStringData *)
-        realloc(pData, sizeof(wxStringData) + (nLen + 1)*sizeof(char));
+      pData = (wxStringData *)
+        realloc(pData, sizeof(wxStringData) + (nLen + 1)*sizeof(wxChar));

 
 

-      if ( p == NULL ) {
-        // @@@ what to do on memory error?
-        return;
+      if ( pData == NULL ) {
+        // allocation failure handled by caller
+        // keep previous data since reallocation failed
+        return FALSE;

       }
 
       // it's not important if the pointer changed or not (the check for this
       // is not faster than assigning to m_pchData in all cases)
       }
 
       // it's not important if the pointer changed or not (the check for this
       // is not faster than assigning to m_pchData in all cases)

-      p->nAllocLength = nLen;
-      m_pchData = p->data();
+      pData->nAllocLength = nLen;
+      m_pchData = pData->data();

     }
   }
   //else: we've already got enough
     }
   }
   //else: we've already got enough

+  return TRUE;

 }
 
 }
 

-// shrink to minimal size (releasing extra memory)
-void wxString::Shrink()
+wxStringBase::iterator wxStringBase::erase(iterator it)

 {
 {

-  wxStringData *pData = GetStringData();
+    size_type idx = it - begin();
+    erase(idx, 1);
+    return begin() + idx;
+}

 
 

-  // this variable is unused in release build, so avoid the compiler warning by
-  // just not declaring it
-#ifdef __WXDEBUG__
-  void *p =
-#endif
-  realloc(pData, sizeof(wxStringData) + (pData->nDataLength + 1)*sizeof(char));
+wxStringBase& wxStringBase::erase(size_t nStart, size_t nLen)
+{
+  wxASSERT(nStart <= length());
+  size_t strLen = length() - nStart;
+  // delete nLen or up to the end of the string characters
+  nLen = strLen < nLen ? strLen : nLen;
+  wxString strTmp(c_str(), nStart);
+  strTmp.append(c_str() + nStart + nLen, length() - nStart - nLen);

 
 

-  wxASSERT( p != NULL );  // can't free memory?
-  wxASSERT( p == pData ); // we're decrementing the size - block shouldn't move!
+  swap(strTmp);
+  return *this;

 }
 
 }
 

-// get the pointer to writable buffer of (at least) nLen bytes
-char *wxString::GetWriteBuf(size_t nLen)
+wxStringBase& wxStringBase::insert(size_t nPos, const wxChar *sz, size_t n)

 {
 {

-  AllocBeforeWrite(nLen);
+  wxASSERT( nPos <= length() );

 
 

-  wxASSERT( GetStringData()->nRefs == 1 );
-  GetStringData()->Validate(FALSE);
+  if ( n == npos ) n = wxStrlen(sz);
+  if ( n == 0 ) return *this;

 
 

-  return m_pchData;
+  if ( !CopyBeforeWrite() || !Alloc(length() + n) ) {
+    wxFAIL_MSG( _T("out of memory in wxStringBase::insert") );
+  }
+
+  memmove(m_pchData + nPos + n, m_pchData + nPos,
+          (length() - nPos) * sizeof(wxChar));
+  memcpy(m_pchData + nPos, sz, n * sizeof(wxChar));
+  GetStringData()->nDataLength = length() + n;
+  m_pchData[length()] = '\0';
+
+  return *this;

 }
 
 }
 

-// put string back in a reasonable state after GetWriteBuf
-void wxString::UngetWriteBuf()
+void wxStringBase::swap(wxStringBase& str)

 {
 {

-  GetStringData()->nDataLength = strlen(m_pchData);
-  GetStringData()->Validate(TRUE);
+    wxChar* tmp = str.m_pchData;
+    str.m_pchData = m_pchData;
+    m_pchData = tmp;

 }
 
 }
 

-// ---------------------------------------------------------------------------
-// data access
-// ---------------------------------------------------------------------------
+size_t wxStringBase::find(const wxStringBase& str, size_t nStart) const
+{
+  wxASSERT( str.GetStringData()->IsValid() );
+  wxASSERT( nStart <= length() );

 
 

-// all functions are inline in string.h
+  const wxChar *p = wxStrstr(c_str() + nStart, str.c_str());

 
 

-// ---------------------------------------------------------------------------
-// assignment operators
-// ---------------------------------------------------------------------------
+  return p == NULL ? npos : p - c_str();
+}

 
 

-// helper function: does real copy
-void wxString::AssignCopy(size_t nSrcLen, const char *pszSrcData)
+size_t wxStringBase::find(const wxChar* sz, size_t nStart, size_t n) const

 {
 {

-  if ( nSrcLen == 0 ) {
-    Reinit();
-  }
-  else {
-    AllocBeforeWrite(nSrcLen);
-    memcpy(m_pchData, pszSrcData, nSrcLen*sizeof(char));
-    GetStringData()->nDataLength = nSrcLen;
-    m_pchData[nSrcLen] = '\0';
+  return find(wxStringBase(sz, n), nStart);
+}
+
+size_t wxStringBase::find(wxChar ch, size_t nStart) const
+{
+  wxASSERT( nStart <= length() );
+
+  const wxChar *p = wxStrchr(c_str() + nStart, ch);
+
+  return p == NULL ? npos : p - c_str();
+}
+
+size_t wxStringBase::rfind(const wxStringBase& str, size_t nStart) const
+{
+  wxASSERT( str.GetStringData()->IsValid() );
+  wxASSERT( nStart == npos || nStart <= length() );
+
+  // TODO could be made much quicker than that
+  const wxChar *p = c_str() + (nStart == npos ? length() : nStart);
+  while ( p >= c_str() + str.length() ) {
+    if ( wxStrncmp(p - str.length(), str.c_str(), str.length()) == 0 )
+      return p - str.length() - c_str();
+    p--;

   }
   }

+
+  return npos;
+}
+
+size_t wxStringBase::rfind(const wxChar* sz, size_t nStart, size_t n) const
+{
+    return rfind(wxStringBase(sz, n), nStart);
+}
+
+size_t wxStringBase::rfind(wxChar ch, size_t nStart) const
+{
+    if ( nStart == npos )
+    {
+        nStart = length();
+    }
+    else
+    {
+        wxASSERT( nStart <= length() );
+    }
+
+    const wxChar *p = wxStrrchr(c_str(), ch);
+
+    if ( p == NULL )
+        return npos;
+
+    size_t result = p - c_str();
+    return ( result > nStart ) ? npos : result;
+}
+
+size_t wxStringBase::find_first_of(const wxChar* sz, size_t nStart) const
+{
+    const wxChar *start = c_str() + nStart;
+    const wxChar *firstOf = wxStrpbrk(start, sz);
+    if ( firstOf )
+        return firstOf - c_str();
+    else
+        return npos;
+}
+
+size_t wxStringBase::find_last_of(const wxChar* sz, size_t nStart) const
+{
+    if ( nStart == npos )
+    {
+        nStart = length();
+    }
+    else
+    {
+        wxASSERT( nStart <= length() );
+    }
+
+    for ( const wxChar *p = c_str() + length() - 1; p >= c_str(); p-- )
+    {
+        if ( wxStrchr(sz, *p) )
+            return p - c_str();
+    }
+
+    return npos;
+}
+
+size_t wxStringBase::find_first_not_of(const wxChar* sz, size_t nStart) const
+{
+    if ( nStart == npos )
+    {
+        nStart = length();
+    }
+    else
+    {
+        wxASSERT( nStart <= length() );
+    }
+
+    size_t nAccept = wxStrspn(c_str() + nStart, sz);
+    if ( nAccept >= length() - nStart )
+        return npos;
+    else
+        return nAccept;
+}
+
+size_t wxStringBase::find_first_not_of(wxChar ch, size_t nStart) const
+{
+    wxASSERT( nStart <= length() );
+
+    for ( const wxChar *p = c_str() + nStart; *p; p++ )
+    {
+        if ( *p != ch )
+            return p - c_str();
+    }
+
+    return npos;
+}
+
+size_t wxStringBase::find_last_not_of(const wxChar* sz, size_t nStart) const
+{
+    if ( nStart == npos )
+    {
+        nStart = length();
+    }
+    else
+    {
+        wxASSERT( nStart <= length() );
+    }
+
+    for ( const wxChar *p = c_str() + nStart - 1; p >= c_str(); p-- )
+    {
+        if ( !wxStrchr(sz, *p) )
+            return p - c_str();
+    }
+
+    return npos;
+}
+
+size_t wxStringBase::find_last_not_of(wxChar ch, size_t nStart) const
+{
+    if ( nStart == npos )
+    {
+        nStart = length();
+    }
+    else
+    {
+        wxASSERT( nStart <= length() );
+    }
+
+    for ( const wxChar *p = c_str() + nStart - 1; p >= c_str(); p-- )
+    {
+        if ( *p != ch )
+            return p - c_str();
+    }
+
+    return npos;
+}
+
+wxStringBase& wxStringBase::replace(size_t nStart, size_t nLen,
+                                    const wxChar *sz)
+{
+  wxASSERT_MSG( nStart <= length(),
+                _T("index out of bounds in wxStringBase::replace") );
+  size_t strLen = length() - nStart;
+  nLen = strLen < nLen ? strLen : nLen;
+
+  wxStringBase strTmp;
+  strTmp.reserve(length()); // micro optimisation to avoid multiple mem allocs
+
+  if ( nStart != 0 )
+    strTmp.append(c_str(), nStart);
+  strTmp.append(sz);
+  strTmp.append(c_str() + nStart + nLen);
+
+  swap(strTmp);
+  return *this;
+}
+
+wxStringBase& wxStringBase::replace(size_t nStart, size_t nLen,
+                                    size_t nCount, wxChar ch)
+{
+  return replace(nStart, nLen, wxStringBase(ch, nCount).c_str());
+}
+
+wxStringBase& wxStringBase::replace(size_t nStart, size_t nLen,
+                                    const wxStringBase& str,
+                                    size_t nStart2, size_t nLen2)
+{
+  return replace(nStart, nLen, str.substr(nStart2, nLen2));
+}
+
+wxStringBase& wxStringBase::replace(size_t nStart, size_t nLen,
+                                    const wxChar* sz, size_t nCount)
+{
+  return replace(nStart, nLen, wxStringBase(sz, nCount).c_str());
+}
+
+wxStringBase wxStringBase::substr(size_t nStart, size_t nLen) const
+{
+  if ( nLen == npos )
+    nLen = length() - nStart;
+  return wxStringBase(*this, nStart, nLen);

 }
 
 // assigns one string to another
 }
 
 // assigns one string to another

-wxString& wxString::operator=(const wxString& stringSrc)
+wxStringBase& wxStringBase::operator=(const wxStringBase& stringSrc)

 {
   wxASSERT( stringSrc.GetStringData()->IsValid() );
 
 {
   wxASSERT( stringSrc.GetStringData()->IsValid() );
 


@@ -447,31 +687,39 @@ wxString& wxString::operator=(const wxString& stringSrc)
 }
 
 // assigns a single character
 }
 
 // assigns a single character

-wxString& wxString::operator=(char ch)
+wxStringBase& wxStringBase::operator=(wxChar ch)

 {
 {

-  AssignCopy(1, &ch);
+  if ( !AssignCopy(1, &ch) ) {
+    wxFAIL_MSG( _T("out of memory in wxStringBase::operator=(wxChar)") );
+  }

   return *this;
 }
 
 // assigns C string
   return *this;
 }
 
 // assigns C string

-wxString& wxString::operator=(const char *psz)
-{
-  AssignCopy(Strlen(psz), psz);
-  return *this;
-}
-
-// same as 'signed char' variant
-wxString& wxString::operator=(const unsigned char* psz)
+wxStringBase& wxStringBase::operator=(const wxChar *psz)

 {
 {

-  *this = (const char *)psz;
+  if ( !AssignCopy(wxStrlen(psz), psz) ) {
+    wxFAIL_MSG( _T("out of memory in wxStringBase::operator=(const wxChar *)") );
+  }

   return *this;
 }
 
   return *this;
 }
 

-wxString& wxString::operator=(const wchar_t *pwz)
+// helper function: does real copy
+bool wxStringBase::AssignCopy(size_t nSrcLen, const wxChar *pszSrcData)

 {
 {

-  wxString str(pwz);
-  *this = str;
-  return *this;
+  if ( nSrcLen == 0 ) {
+    Reinit();
+  }
+  else {
+    if ( !AllocBeforeWrite(nSrcLen) ) {
+      // allocation failure handled by caller
+      return FALSE;
+    }
+    memcpy(m_pchData, pszSrcData, nSrcLen*sizeof(wxChar));
+    GetStringData()->nDataLength = nSrcLen;
+    m_pchData[nSrcLen] = wxT('\0');
+  }
+  return TRUE;

 }
 
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------


@@ -479,10 +727,13 @@ wxString& wxString::operator=(const wchar_t *pwz)
 // ---------------------------------------------------------------------------
 
 // add something to this string
 // ---------------------------------------------------------------------------
 
 // add something to this string

-void wxString::ConcatSelf(int nSrcLen, const char *pszSrcData)
+bool wxStringBase::ConcatSelf(size_t nSrcLen, const wxChar *pszSrcData,
+                              size_t nMaxLen)

 {
   STATISTICS_ADD(SummandLength, nSrcLen);
 
 {
   STATISTICS_ADD(SummandLength, nSrcLen);
 

+  nSrcLen = nSrcLen < nMaxLen ? nSrcLen : nMaxLen;
+

   // concatenating an empty string is a NOP
   if ( nSrcLen > 0 ) {
     wxStringData *pData = GetStringData();
   // concatenating an empty string is a NOP
   if ( nSrcLen > 0 ) {
     wxStringData *pData = GetStringData();


@@ -495,15 +746,22 @@ void wxString::ConcatSelf(int nSrcLen, const char *pszSrcData)
 
       // we have to allocate another buffer
       wxStringData* pOldData = GetStringData();
 
       // we have to allocate another buffer
       wxStringData* pOldData = GetStringData();

-      AllocBuffer(nNewLen);
-      memcpy(m_pchData, pOldData->data(), nLen*sizeof(char));
+      if ( !AllocBuffer(nNewLen) ) {
+          // allocation failure handled by caller
+          return FALSE;
+      }
+      memcpy(m_pchData, pOldData->data(), nLen*sizeof(wxChar));

       pOldData->Unlock();
     }
     else if ( nNewLen > pData->nAllocLength ) {
       STATISTICS_ADD(ConcatHit, 0);
 
       pOldData->Unlock();
     }
     else if ( nNewLen > pData->nAllocLength ) {
       STATISTICS_ADD(ConcatHit, 0);
 

+      reserve(nNewLen);

       // we have to grow the buffer
       // we have to grow the buffer

-      Alloc(nNewLen);
+      if ( capacity() < nNewLen ) {
+          // allocation failure handled by caller
+          return FALSE;
+      }

     }
     else {
       STATISTICS_ADD(ConcatHit, 1);
     }
     else {
       STATISTICS_ADD(ConcatHit, 1);


@@ -515,14 +773,286 @@ void wxString::ConcatSelf(int nSrcLen, const char *pszSrcData)
     wxASSERT( nNewLen <= GetStringData()->nAllocLength );
 
     // fast concatenation - all is done in our buffer
     wxASSERT( nNewLen <= GetStringData()->nAllocLength );
 
     // fast concatenation - all is done in our buffer

-    memcpy(m_pchData + nLen, pszSrcData, nSrcLen*sizeof(char));
+    memcpy(m_pchData + nLen, pszSrcData, nSrcLen*sizeof(wxChar));

 
 

-    m_pchData[nNewLen] = '\0';              // put terminating '\0'
+    m_pchData[nNewLen] = wxT('\0');          // put terminating '\0'

     GetStringData()->nDataLength = nNewLen; // and fix the length
   }
   //else: the string to append was empty
     GetStringData()->nDataLength = nNewLen; // and fix the length
   }
   //else: the string to append was empty

+  return TRUE;
+}
+
+// ---------------------------------------------------------------------------
+// simple sub-string extraction
+// ---------------------------------------------------------------------------
+
+// helper function: clone the data attached to this string
+bool wxStringBase::AllocCopy(wxString& dest, int nCopyLen, int nCopyIndex) const
+{
+  if ( nCopyLen == 0 ) {
+    dest.Init();
+  }
+  else {
+    if ( !dest.AllocBuffer(nCopyLen) ) {
+      // allocation failure handled by caller
+      return FALSE;
+    }
+    memcpy(dest.m_pchData, m_pchData + nCopyIndex, nCopyLen*sizeof(wxChar));
+  }
+  return TRUE;
+}
+
+#endif // !wxUSE_STL
+
+#if !wxUSE_STL || !defined(HAVE_STD_STRING_COMPARE)
+
+#if !wxUSE_STL
+    #define STRINGCLASS wxStringBase
+#else
+    #define STRINGCLASS wxString
+#endif
+
+static inline int wxDoCmp(const wxChar* s1, size_t l1,
+                          const wxChar* s2, size_t l2)
+{
+    if( l1 == l2 )
+        return wxStrncmp(s1, s2, l1);
+    else if( l1 < l2 )
+    {
+        int ret = wxStrncmp(s1, s2, l1);
+        return ret == 0 ? -1 : ret;
+    }
+    else if( l1 > l2 )
+    {
+        int ret = wxStrncmp(s1, s2, l2);
+        return ret == 0 ? +1 : ret;
+    }
+
+    wxFAIL;   // must never get there
+    return 0; // quiet compilers
+}
+
+#if wxUSE_STL
+
+int STRINGCLASS::compare(const wxStringBase& str) const
+{
+    return ::wxDoCmp(data(), length(), str.data(), str.length());
+}
+
+#endif
+
+int STRINGCLASS::compare(size_t nStart, size_t nLen,
+                         const wxStringBase& str) const
+{
+    wxASSERT(nStart <= length());
+    size_type strLen = length() - nStart;
+    nLen = strLen < nLen ? strLen : nLen;
+    return ::wxDoCmp(data() + nStart, nLen, str.data(), str.length());
+}
+
+int STRINGCLASS::compare(size_t nStart, size_t nLen,
+                         const wxStringBase& str,
+                         size_t nStart2, size_t nLen2) const
+{
+    wxASSERT(nStart <= length());
+    wxASSERT(nStart2 <= str.length());
+    size_type strLen  =     length() - nStart,
+              strLen2 = str.length() - nStart2;
+    nLen  = strLen  < nLen  ? strLen  : nLen;
+    nLen2 = strLen2 < nLen2 ? strLen2 : nLen2;
+    return ::wxDoCmp(data() + nStart, nLen, str.data() + nStart2, nLen2);
+}
+
+#if wxUSE_STL
+
+int STRINGCLASS::compare(const wxChar* sz) const
+{
+    size_t nLen = wxStrlen(sz);
+    return ::wxDoCmp(data(), length(), sz, nLen);

 }
 
 }
 

+#endif
+
+int STRINGCLASS::compare(size_t nStart, size_t nLen,
+                         const wxChar* sz, size_t nCount) const
+{
+    wxASSERT(nStart <= length());
+    size_type strLen = length() - nStart;
+    nLen = strLen < nLen ? strLen : nLen;
+    if( nCount == npos )
+        nCount = wxStrlen(sz);
+
+    return ::wxDoCmp(data() + nStart, nLen, sz, nCount);
+}
+
+#undef STRINGCLASS
+
+#endif // !wxUSE_STL || !defined(HAVE_STD_STRING_COMPARE)
+
+// ===========================================================================
+// wxString class core
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// construction
+// ---------------------------------------------------------------------------
+
+#if wxUSE_UNICODE
+
+// from multibyte string
+wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
+{
+    // first get the size of the buffer we need
+    size_t nLen;
+    if ( psz )
+    {
+        // calculate the needed size ourselves or use the provided one
+        nLen = nLength == npos ? conv.MB2WC(NULL, psz, 0) : nLength;
+    }
+    else
+    {
+        // nothing to convert
+        nLen = 0;
+    }
+
+    // anything to do?
+    if ( (nLen != 0) && (nLen != (size_t)-1) )
+    {
+        if ( !Alloc(nLen) )
+        {
+            wxFAIL_MSG( _T("out of memory in wxString::wxString") );
+        }
+        else
+        {
+            wxWCharBuffer buf(nLen + 1);
+            // MB2WC wants the buffer size, not the string length hence +1
+            nLen = conv.MB2WC(buf.data(), psz, nLen + 1);
+
+            if ( nLen != (size_t)-1 )
+            {
+                // initialized ok, set the real length as nLength specified by
+                // the caller could be greater than the real string length
+                assign(buf.data(), nLen);
+                return;
+            }
+            //else: the conversion failed -- leave the string empty (what else?)
+        }
+    }
+}
+
+#else // ANSI
+
+#if wxUSE_WCHAR_T
+// from wide string
+wxString::wxString(const wchar_t *pwz, wxMBConv& conv, size_t nLength)
+{
+    // first get the size of the buffer we need
+    size_t nLen;
+    if ( pwz )
+    {
+        // calculate the needed size ourselves or use the provided one
+        nLen = nLength == npos ? conv.WC2MB(NULL, pwz, 0) : nLength;
+    }
+    else
+    {
+        // nothing to convert
+        nLen = 0;
+    }
+
+    // anything to do?
+    if ( (nLen != 0) && (nLen != (size_t)-1) )
+    {
+        if ( !Alloc(nLen) )
+        {
+            wxFAIL_MSG( _T("out of memory in wxString::wxString") );
+        }
+        else
+        {
+            wxCharBuffer buf(nLen);
+            // WC2MB wants the buffer size, not the string length
+            if ( conv.WC2MB(buf.data(), pwz, nLen + 1) != (size_t)-1 )
+            {
+                // initialized ok
+                assign(buf.data(), nLen);
+                return;
+            }
+            //else: the conversion failed -- leave the string empty (what else?)
+        }
+    }
+
+    // leave empty
+}
+#endif // wxUSE_WCHAR_T
+
+#endif // Unicode/ANSI
+
+// shrink to minimal size (releasing extra memory)
+bool wxString::Shrink()
+{
+  wxString tmp(begin(), end());
+  swap(tmp);
+  return tmp.length() == length();
+}
+
+#if !wxUSE_STL
+// get the pointer to writable buffer of (at least) nLen bytes
+wxChar *wxString::GetWriteBuf(size_t nLen)
+{
+  if ( !AllocBeforeWrite(nLen) ) {
+    // allocation failure handled by caller
+    return NULL;
+  }
+
+  wxASSERT( GetStringData()->nRefs == 1 );
+  GetStringData()->Validate(FALSE);
+
+  return m_pchData;
+}
+
+// put string back in a reasonable state after GetWriteBuf
+void wxString::UngetWriteBuf()
+{
+  GetStringData()->nDataLength = wxStrlen(m_pchData);
+  GetStringData()->Validate(TRUE);
+}
+
+void wxString::UngetWriteBuf(size_t nLen)
+{
+  GetStringData()->nDataLength = nLen;
+  GetStringData()->Validate(TRUE);
+}
+#endif
+
+// ---------------------------------------------------------------------------
+// data access
+// ---------------------------------------------------------------------------
+
+// all functions are inline in string.h
+
+// ---------------------------------------------------------------------------
+// assignment operators
+// ---------------------------------------------------------------------------
+
+#if !wxUSE_UNICODE
+
+// same as 'signed char' variant
+wxString& wxString::operator=(const unsigned char* psz)
+{
+  *this = (const char *)psz;
+  return *this;
+}
+
+#if wxUSE_WCHAR_T
+wxString& wxString::operator=(const wchar_t *pwz)
+{
+  wxString str(pwz);
+  swap(str);
+  return *this;
+}
+#endif
+
+#endif
+

 /*
  * concatenation functions come in 5 flavours:
  *  string + string
 /*
  * concatenation functions come in 5 flavours:
  *  string + string


@@ -530,57 +1060,71 @@ void wxString::ConcatSelf(int nSrcLen, const char *pszSrcData)
  *  C str  + string      and      string + C str
  */
 
  *  C str  + string      and      string + C str
  */
 

-wxString operator+(const wxString& string1, const wxString& string2)
+wxString operator+(const wxString& str1, const wxString& str2)

 {
 {

-  wxASSERT( string1.GetStringData()->IsValid() );
-  wxASSERT( string2.GetStringData()->IsValid() );
+#if !wxUSE_STL
+  wxASSERT( str1.GetStringData()->IsValid() );
+  wxASSERT( str2.GetStringData()->IsValid() );
+#endif

 
 

-  wxString s = string1;
-  s += string2;
+  wxString s = str1;
+  s += str2;

 
   return s;
 }
 
 
   return s;
 }
 

-wxString operator+(const wxString& string, char ch)
+wxString operator+(const wxString& str, wxChar ch)

 {
 {

-  wxASSERT( string.GetStringData()->IsValid() );
+#if !wxUSE_STL
+  wxASSERT( str.GetStringData()->IsValid() );
+#endif

 
 

-  wxString s = string;
+  wxString s = str;

   s += ch;
 
   return s;
 }
 
   s += ch;
 
   return s;
 }
 

-wxString operator+(char ch, const wxString& string)
+wxString operator+(wxChar ch, const wxString& str)

 {
 {

-  wxASSERT( string.GetStringData()->IsValid() );
+#if !wxUSE_STL
+  wxASSERT( str.GetStringData()->IsValid() );
+#endif

 
   wxString s = ch;
 
   wxString s = ch;

-  s += string;
+  s += str;

 
   return s;
 }
 
 
   return s;
 }
 

-wxString operator+(const wxString& string, const char *psz)
+wxString operator+(const wxString& str, const wxChar *psz)

 {
 {

-  wxASSERT( string.GetStringData()->IsValid() );
+#if !wxUSE_STL
+  wxASSERT( str.GetStringData()->IsValid() );
+#endif

 
   wxString s;
 
   wxString s;

-  s.Alloc(Strlen(psz) + string.Len());
-  s = string;
+  if ( !s.Alloc(wxStrlen(psz) + str.Len()) ) {
+    wxFAIL_MSG( _T("out of memory in wxString::operator+") );
+  }
+  s = str;

   s += psz;
 
   return s;
 }
 
   s += psz;
 
   return s;
 }
 

-wxString operator+(const char *psz, const wxString& string)
+wxString operator+(const wxChar *psz, const wxString& str)

 {
 {

-  wxASSERT( string.GetStringData()->IsValid() );
+#if !wxUSE_STL
+  wxASSERT( str.GetStringData()->IsValid() );
+#endif

 
   wxString s;
 
   wxString s;

-  s.Alloc(Strlen(psz) + string.Len());
+  if ( !s.Alloc(wxStrlen(psz) + str.Len()) ) {
+    wxFAIL_MSG( _T("out of memory in wxString::operator+") );
+  }

   s = psz;
   s = psz;

-  s += string;
+  s += str;

 
   return s;
 }
 
   return s;
 }


@@ -589,30 +1133,72 @@ wxString operator+(const char *psz, const wxString& string)
 // other common string functions
 // ===========================================================================
 
 // other common string functions
 // ===========================================================================
 

-// ---------------------------------------------------------------------------
-// simple sub-string extraction
-// ---------------------------------------------------------------------------
+#if wxUSE_UNICODE

 
 

-// helper function: clone the data attached to this string
-void wxString::AllocCopy(wxString& dest, int nCopyLen, int nCopyIndex) const
+wxString wxString::FromAscii(const char *ascii)

 {
 {

-  if ( nCopyLen == 0 ) {
-    dest.Init();
-  }
-  else {
-    dest.AllocBuffer(nCopyLen);
-    memcpy(dest.m_pchData, m_pchData + nCopyIndex, nCopyLen*sizeof(char));
-  }
+    if (!ascii)
+       return wxEmptyString;
+
+    size_t len = strlen( ascii );
+    wxString res;
+
+    if ( len )
+    {
+        wxStringBuffer buf(res, len);
+
+        wchar_t *dest = buf;
+
+        for ( ;; )
+        {
+           if ( (*dest++ = (wchar_t)(unsigned char)*ascii++) == L'\0' )
+               break;
+        }
+    }
+
+    return res;
+}
+
+wxString wxString::FromAscii(const char ascii)
+{
+    // What do we do with '\0' ?
+
+    wxString res;
+    res += (wchar_t)(unsigned char) ascii;
+
+    return res;
+}
+
+const wxCharBuffer wxString::ToAscii() const
+{
+    // this will allocate enough space for the terminating NUL too
+    wxCharBuffer buffer(length());
+
+    signed char *dest = (signed char *)buffer.data();
+
+    const wchar_t *pwc = c_str();
+    for ( ;; )
+    {
+        *dest++ = *pwc > SCHAR_MAX ? '_' : *pwc;
+
+        // the output string can't have embedded NULs anyhow, so we can safely
+        // stop at first of them even if we do have any
+        if ( !*pwc++ )
+            break;
+    }
+
+    return buffer;

 }
 
 }
 

+#endif // Unicode
+

 // extract string of length nCount starting at nFirst
 wxString wxString::Mid(size_t nFirst, size_t nCount) const
 {
 // extract string of length nCount starting at nFirst
 wxString wxString::Mid(size_t nFirst, size_t nCount) const
 {

-  wxStringData *pData = GetStringData();
-  size_t nLen = pData->nDataLength;
+  size_t nLen = length();

 
 

-  // default value of nCount is STRING_MAXLEN and means "till the end"
-  if ( nCount == STRING_MAXLEN )
+  // default value of nCount is npos and means "till the end"
+  if ( nCount == npos )

   {
     nCount = nLen - nFirst;
   }
   {
     nCount = nLen - nFirst;
   }


@@ -629,26 +1215,59 @@ wxString wxString::Mid(size_t nFirst, size_t nCount) const
     nCount = 0;
   }
 
     nCount = 0;
   }
 

-  wxString dest;
-  AllocCopy(dest, nCount, nFirst);
+  wxString dest(*this, nFirst, nCount);
+  if ( dest.length() != nCount ) {
+      wxFAIL_MSG( _T("out of memory in wxString::Mid") );
+  }
+
+  return dest;
+}
+
+// check that the string starts with prefix and return the rest of the string
+// in the provided pointer if it is not NULL, otherwise return FALSE
+bool wxString::StartsWith(const wxChar *prefix, wxString *rest) const
+{
+    wxASSERT_MSG( prefix, _T("invalid parameter in wxString::StartsWith") );
+
+    // first check if the beginning of the string matches the prefix: note
+    // that we don't have to check that we don't run out of this string as
+    // when we reach the terminating NUL, either prefix string ends too (and
+    // then it's ok) or we break out of the loop because there is no match
+    const wxChar *p = c_str();
+    while ( *prefix )
+    {
+        if ( *prefix++ != *p++ )
+        {
+            // no match
+            return FALSE;
+        }
+    }
+
+    if ( rest )
+    {
+        // put the rest of the string into provided pointer
+        *rest = p;
+    }

 
 

-  return dest;
+    return TRUE;

 }
 
 // extract nCount last (rightmost) characters
 wxString wxString::Right(size_t nCount) const
 {
 }
 
 // extract nCount last (rightmost) characters
 wxString wxString::Right(size_t nCount) const
 {

-  if ( nCount > (size_t)GetStringData()->nDataLength )
-    nCount = GetStringData()->nDataLength;
+  if ( nCount > length() )
+    nCount = length();

 
 

-  wxString dest;
-  AllocCopy(dest, nCount, GetStringData()->nDataLength - nCount);
+  wxString dest(*this, length() - nCount, nCount);
+  if ( dest.length() != nCount ) {
+    wxFAIL_MSG( _T("out of memory in wxString::Right") );
+  }

   return dest;
 }
 
 // get all characters after the last occurence of ch
 // (returns the whole string if ch not found)
   return dest;
 }
 
 // get all characters after the last occurence of ch
 // (returns the whole string if ch not found)

-wxString wxString::AfterLast(char ch) const
+wxString wxString::AfterLast(wxChar ch) const

 {
   wxString str;
   int iPos = Find(ch, TRUE);
 {
   wxString str;
   int iPos = Find(ch, TRUE);


@@ -663,28 +1282,28 @@ wxString wxString::AfterLast(char ch) const
 // extract nCount first (leftmost) characters
 wxString wxString::Left(size_t nCount) const
 {
 // extract nCount first (leftmost) characters
 wxString wxString::Left(size_t nCount) const
 {

-  if ( nCount > (size_t)GetStringData()->nDataLength )
-    nCount = GetStringData()->nDataLength;
+  if ( nCount > length() )
+    nCount = length();

 
 

-  wxString dest;
-  AllocCopy(dest, nCount, 0);
+  wxString dest(*this, 0, nCount);
+  if ( dest.length() != nCount ) {
+    wxFAIL_MSG( _T("out of memory in wxString::Left") );
+  }

   return dest;
 }
 
 // get all characters before the first occurence of ch
 // (returns the whole string if ch not found)
   return dest;
 }
 
 // get all characters before the first occurence of ch
 // (returns the whole string if ch not found)

-wxString wxString::BeforeFirst(char ch) const
+wxString wxString::BeforeFirst(wxChar ch) const

 {
 {

-  wxString str;
-  for ( const char *pc = m_pchData; *pc != '\0' && *pc != ch; pc++ )
-    str += *pc;
-
-  return str;
+  int iPos = Find(ch);
+  if ( iPos == wxNOT_FOUND ) iPos = length();
+  return wxString(*this, 0, iPos);

 }
 
 /// get all characters before the last occurence of ch
 /// (returns empty string if ch not found)
 }
 
 /// get all characters before the last occurence of ch
 /// (returns empty string if ch not found)

-wxString wxString::BeforeLast(char ch) const
+wxString wxString::BeforeLast(wxChar ch) const

 {
   wxString str;
   int iPos = Find(ch, TRUE);
 {
   wxString str;
   int iPos = Find(ch, TRUE);


@@ -696,7 +1315,7 @@ wxString wxString::BeforeLast(char ch) const
 
 /// get all characters after the first occurence of ch
 /// (returns empty string if ch not found)
 
 /// get all characters after the first occurence of ch
 /// (returns empty string if ch not found)

-wxString wxString::AfterFirst(char ch) const
+wxString wxString::AfterFirst(wxChar ch) const

 {
   wxString str;
   int iPos = Find(ch);
 {
   wxString str;
   int iPos = Find(ch);


@@ -707,17 +1326,22 @@ wxString wxString::AfterFirst(char ch) const
 }
 
 // replace first (or all) occurences of some substring with another one
 }
 
 // replace first (or all) occurences of some substring with another one

-size_t wxString::Replace(const char *szOld, const char *szNew, bool bReplaceAll)
+size_t
+wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplaceAll)

 {
 {

+    // if we tried to replace an empty string we'd enter an infinite loop below
+    wxCHECK_MSG( szOld && *szOld && szNew, 0,
+                 _T("wxString::Replace(): invalid parameter") );
+

   size_t uiCount = 0;   // count of replacements made
 
   size_t uiCount = 0;   // count of replacements made
 

-  size_t uiOldLen = Strlen(szOld);
+  size_t uiOldLen = wxStrlen(szOld);

 
   wxString strTemp;
 
   wxString strTemp;

-  const char *pCurrent = m_pchData;
-  const char *pSubstr;
-  while ( *pCurrent != '\0' ) {
-    pSubstr = strstr(pCurrent, szOld);
+  const wxChar *pCurrent = c_str();
+  const wxChar *pSubstr;
+  while ( *pCurrent != wxT('\0') ) {
+    pSubstr = wxStrstr(pCurrent, szOld);

     if ( pSubstr == NULL ) {
       // strTemp is unused if no replacements were made, so avoid the copy
       if ( uiCount == 0 )
     if ( pSubstr == NULL ) {
       // strTemp is unused if no replacements were made, so avoid the copy
       if ( uiCount == 0 )


@@ -728,7 +1352,12 @@ size_t wxString::Replace(const char *szOld, const char *szNew, bool bReplaceAll)
     }
     else {
       // take chars before match
     }
     else {
       // take chars before match

-      strTemp.ConcatSelf(pSubstr - pCurrent, pCurrent);
+      size_type len = strTemp.length();
+      strTemp.append(pCurrent, pSubstr - pCurrent);
+      if ( strTemp.length() != (size_t)(len + pSubstr - pCurrent) ) {
+        wxFAIL_MSG( _T("out of memory in wxString::Replace") );
+        return 0;
+      }

       strTemp += szNew;
       pCurrent = pSubstr + uiOldLen;  // restart after match
 
       strTemp += szNew;
       pCurrent = pSubstr + uiOldLen;  // restart after match
 


@@ -743,14 +1372,14 @@ size_t wxString::Replace(const char *szOld, const char *szNew, bool bReplaceAll)
   }
 
   // only done if there were replacements, otherwise would have returned above
   }
 
   // only done if there were replacements, otherwise would have returned above

-  *this = strTemp;
+  swap(strTemp);

 
   return uiCount;
 }
 
 bool wxString::IsAscii() const
 {
 
   return uiCount;
 }
 
 bool wxString::IsAscii() const
 {

-  const char *s = (const char*) *this;
+  const wxChar *s = (const wxChar*) *this;

   while(*s){
     if(!isascii(*s)) return(FALSE);
     s++;
   while(*s){
     if(!isascii(*s)) return(FALSE);
     s++;


@@ -760,9 +1389,9 @@ bool wxString::IsAscii() const
 
 bool wxString::IsWord() const
 {
 
 bool wxString::IsWord() const
 {

-  const char *s = (const char*) *this;
+  const wxChar *s = (const wxChar*) *this;

   while(*s){
   while(*s){

-    if(!isalpha(*s)) return(FALSE);
+    if(!wxIsalpha(*s)) return(FALSE);

     s++;
   }
   return(TRUE);
     s++;
   }
   return(TRUE);


@@ -770,9 +1399,11 @@ bool wxString::IsWord() const
 
 bool wxString::IsNumber() const
 {
 
 bool wxString::IsNumber() const
 {

-  const char *s = (const char*) *this;
+  const wxChar *s = (const wxChar*) *this;
+  if (wxStrlen(s))
+     if ((s[0] == '-') || (s[0] == '+')) s++;

   while(*s){
   while(*s){

-    if(!isdigit(*s)) return(FALSE);
+    if(!wxIsdigit(*s)) return(FALSE);

     s++;
   }
   return(TRUE);
     s++;
   }
   return(TRUE);


@@ -792,20 +1423,16 @@ wxString wxString::Strip(stripType w) const
 
 wxString& wxString::MakeUpper()
 {
 
 wxString& wxString::MakeUpper()
 {

-  CopyBeforeWrite();
-
-  for ( char *p = m_pchData; *p; p++ )
-    *p = (char)toupper(*p);
+  for ( iterator it = begin(), en = end(); it != en; ++it )
+    *it = (wxChar)wxToupper(*it);

 
   return *this;
 }
 
 wxString& wxString::MakeLower()
 {
 
   return *this;
 }
 
 wxString& wxString::MakeLower()
 {

-  CopyBeforeWrite();
-
-  for ( char *p = m_pchData; *p; p++ )
-    *p = (char)tolower(*p);
+  for ( iterator it = begin(), en = end(); it != en; ++it )
+    *it = (wxChar)wxTolower(*it);

 
   return *this;
 }
 
   return *this;
 }


@@ -814,42 +1441,45 @@ wxString& wxString::MakeLower()
 // trimming and padding
 // ---------------------------------------------------------------------------
 
 // trimming and padding
 // ---------------------------------------------------------------------------
 

+// some compilers (VC++ 6.0 not to name them) return TRUE for a call to
+// isspace('ê') in the C locale which seems to be broken to me, but we have to
+// live with this by checking that the character is a 7 bit one - even if this
+// may fail to detect some spaces (I don't know if Unicode doesn't have
+// space-like symbols somewhere except in the first 128 chars), it is arguably
+// still better than trimming away accented letters
+inline int wxSafeIsspace(wxChar ch) { return (ch < 127) && wxIsspace(ch); }
+

 // trims spaces (in the sense of isspace) from left or right side
 wxString& wxString::Trim(bool bFromRight)
 {
   // first check if we're going to modify the string at all
 // trims spaces (in the sense of isspace) from left or right side
 wxString& wxString::Trim(bool bFromRight)
 {
   // first check if we're going to modify the string at all

-  if ( !IsEmpty() && 
-       ( 
-        (bFromRight && isspace(GetChar(Len() - 1))) ||
-        (!bFromRight && isspace(GetChar(0u)))
+  if ( !IsEmpty() &&
+       (
+        (bFromRight && wxSafeIsspace(GetChar(Len() - 1))) ||
+        (!bFromRight && wxSafeIsspace(GetChar(0u)))

        )
      )
   {
        )
      )
   {

-    // ok, there is at least one space to trim
-    CopyBeforeWrite();
-

     if ( bFromRight )
     {
       // find last non-space character
     if ( bFromRight )
     {
       // find last non-space character

-      char *psz = m_pchData + GetStringData()->nDataLength - 1;
-      while ( isspace(*psz) && (psz >= m_pchData) )
+      iterator psz = begin() + length() - 1;
+      while ( wxSafeIsspace(*psz) && (psz >= begin()) )

         psz--;
 
       // truncate at trailing space start
         psz--;
 
       // truncate at trailing space start

-      *++psz = '\0';
-      GetStringData()->nDataLength = psz - m_pchData;
+      *++psz = wxT('\0');
+      erase(psz, end());

     }
     else
     {
       // find first non-space character
     }
     else
     {
       // find first non-space character

-      const char *psz = m_pchData;
-      while ( isspace(*psz) )
+      iterator psz = begin();
+      while ( wxSafeIsspace(*psz) )

         psz++;
 
       // fix up data and length
         psz++;
 
       // fix up data and length

-      int nDataLength = GetStringData()->nDataLength - (psz - (const char*) m_pchData);
-      memmove(m_pchData, psz, (nDataLength + 1)*sizeof(char));
-      GetStringData()->nDataLength = nDataLength;
+      erase(begin(), psz);

     }
   }
 
     }
   }
 


@@ -857,7 +1487,7 @@ wxString& wxString::Trim(bool bFromRight)
 }
 
 // adds nCount characters chPad to the string from either side
 }
 
 // adds nCount characters chPad to the string from either side

-wxString& wxString::Pad(size_t nCount, char chPad, bool bFromRight)
+wxString& wxString::Pad(size_t nCount, wxChar chPad, bool bFromRight)

 {
   wxString s(chPad, nCount);
 
 {
   wxString s(chPad, nCount);
 


@@ -866,7 +1496,7 @@ wxString& wxString::Pad(size_t nCount, char chPad, bool bFromRight)
   else
   {
     s += *this;
   else
   {
     s += *this;

-    *this = s;
+    swap(s);

   }
 
   return *this;
   }
 
   return *this;


@@ -876,10 +1506,7 @@ wxString& wxString::Pad(size_t nCount, char chPad, bool bFromRight)
 wxString& wxString::Truncate(size_t uiLen)
 {
   if ( uiLen < Len() ) {
 wxString& wxString::Truncate(size_t uiLen)
 {
   if ( uiLen < Len() ) {

-    CopyBeforeWrite();
-
-    *(m_pchData + uiLen) = '\0';
-    GetStringData()->nDataLength = uiLen;
+    erase(begin() + uiLen, end());

   }
   //else: nothing to do, string is already short enough
 
   }
   //else: nothing to do, string is already short enough
 


@@ -891,52 +1518,93 @@ wxString& wxString::Truncate(size_t uiLen)
 // ---------------------------------------------------------------------------
 
 // find a character
 // ---------------------------------------------------------------------------
 
 // find a character

-int wxString::Find(char ch, bool bFromEnd) const
+int wxString::Find(wxChar ch, bool bFromEnd) const

 {
 {

-  const char *psz = bFromEnd ? strrchr(m_pchData, ch) : strchr(m_pchData, ch);
+  size_type idx = bFromEnd ? find_last_of(ch) : find_first_of(ch);

 
 

-  return (psz == NULL) ? wxNOT_FOUND : psz - (const char*) m_pchData;
+  return (idx == npos) ? wxNOT_FOUND : (int)idx;

 }
 
 // find a sub-string (like strstr)
 }
 
 // find a sub-string (like strstr)

-int wxString::Find(const char *pszSub) const
+int wxString::Find(const wxChar *pszSub) const

 {
 {

-  const char *psz = strstr(m_pchData, pszSub);
+  size_type idx = find(pszSub);

 
 

-  return (psz == NULL) ? wxNOT_FOUND : psz - (const char*) m_pchData;
+  return (idx == npos) ? wxNOT_FOUND : (int)idx;

 }
 
 }
 

-// ---------------------------------------------------------------------------
-// stream-like operators
-// ---------------------------------------------------------------------------
-wxString& wxString::operator<<(int i)
+// ----------------------------------------------------------------------------
+// conversion to numbers
+// ----------------------------------------------------------------------------
+
+bool wxString::ToLong(long *val, int base) const

 {
 {

-    wxString res;
-    res.Printf("%d", i);
+    wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToLong") );
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );

 
 

-    return (*this) << res;
+    const wxChar *start = c_str();
+    wxChar *end;
+    *val = wxStrtol(start, &end, base);
+
+    // return TRUE only if scan was stopped by the terminating NUL and if the
+    // string was not empty to start with
+    return !*end && (end != start);

 }
 
 }
 

-wxString& wxString::operator<<(float f)
+bool wxString::ToULong(unsigned long *val, int base) const

 {
 {

-    wxString res;
-    res.Printf("%f", f);
+    wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToULong") );
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );

 
 

-    return (*this) << res;
+    const wxChar *start = c_str();
+    wxChar *end;
+    *val = wxStrtoul(start, &end, base);
+
+    // return TRUE only if scan was stopped by the terminating NUL and if the
+    // string was not empty to start with
+    return !*end && (end != start);

 }
 
 }
 

-wxString& wxString::operator<<(double d)
+bool wxString::ToDouble(double *val) const

 {
 {

-    wxString res;
-    res.Printf("%g", d);
+    wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToDouble") );

 
 

-    return (*this) << res;
+    const wxChar *start = c_str();
+    wxChar *end;
+    *val = wxStrtod(start, &end);
+
+    // return TRUE only if scan was stopped by the terminating NUL and if the
+    // string was not empty to start with
+    return !*end && (end != start);

 }
 
 // ---------------------------------------------------------------------------
 // formatted output
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------
 // formatted output
 // ---------------------------------------------------------------------------

-int wxString::Printf(const char *pszFormat, ...)
+
+/* static */
+wxString wxString::Format(const wxChar *pszFormat, ...)
+{
+    va_list argptr;
+    va_start(argptr, pszFormat);
+
+    wxString s;
+    s.PrintfV(pszFormat, argptr);
+
+    va_end(argptr);
+
+    return s;
+}
+
+/* static */
+wxString wxString::FormatV(const wxChar *pszFormat, va_list argptr)
+{
+    wxString s;
+    s.PrintfV(pszFormat, argptr);
+    return s;
+}
+
+int wxString::Printf(const wxChar *pszFormat, ...)

 {
   va_list argptr;
   va_start(argptr, pszFormat);
 {
   va_list argptr;
   va_start(argptr, pszFormat);


@@ -948,77 +1616,141 @@ int wxString::Printf(const char *pszFormat, ...)
   return iLen;
 }
 
   return iLen;
 }
 

-int wxString::PrintfV(const char* pszFormat, va_list argptr)
+int wxString::PrintfV(const wxChar* pszFormat, va_list argptr)

 {
 {

-  // static buffer to avoid dynamic memory allocation each time
-  static char s_szScratch[1024];
+    int size = 1024;
+    int len;

 
 

-  // NB: wxVsprintf() may return either less than the buffer size or -1 if there
-  //     is not enough place depending on implementation
-  int iLen = wxVsprintf(s_szScratch, WXSIZEOF(s_szScratch), pszFormat, argptr);
-  char *buffer;
-  if ( iLen < (int)WXSIZEOF(s_szScratch) ) {
-    buffer = s_szScratch;
-  }
-  else {
-      int size = WXSIZEOF(s_szScratch) * 2;
-      buffer = (char *)malloc(size);
-      while ( buffer != NULL ) {
-          iLen = wxVsprintf(buffer, WXSIZEOF(s_szScratch), pszFormat, argptr);
-          if ( iLen < size ) {
-              // ok, there was enough space
-              break;
-          }
+    for ( ;; )
+    {
+        {
+            wxStringBuffer tmp(*this, size + 1);
+            wxChar* buf = tmp;

 
 

-          // still not enough, double it again
-          buffer = (char *)realloc(buffer, size *= 2);
-      }
+            if ( !buf )
+            {
+                // out of memory
+                return -1;
+            }

 
 

-      if ( !buffer ) {
-          // out of memory
-          return -1;
-      }
-  }
+            len = wxVsnprintf(buf, size, pszFormat, argptr);
+
+            // some implementations of vsnprintf() don't NUL terminate
+            // the string if there is not enough space for it so
+            // always do it manually
+            buf[size] = _T('\0');
+        }

 
 

-  AllocBeforeWrite(iLen);
-  strcpy(m_pchData, buffer);
+        if ( len >= 0 )
+        {
+            // ok, there was enough space
+            break;
+        }

 
 

-  if ( buffer != s_szScratch )
-      free(buffer);
+        // still not enough, double it again
+        size *= 2;
+    }

 
 

-  return iLen;
+    // we could have overshot
+    Shrink();
+
+    return Len();

 }
 
 // ----------------------------------------------------------------------------
 // misc other operations
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
 // misc other operations
 // ----------------------------------------------------------------------------

-bool wxString::Matches(const char *pszMask) const
-{
-  // check char by char
-  const char *pszTxt;
-  for ( pszTxt = c_str(); *pszMask != '\0'; pszMask++, pszTxt++ ) {
+
+// returns TRUE if the string matches the pattern which may contain '*' and
+// '?' metacharacters (as usual, '?' matches any character and '*' any number
+// of them)
+bool wxString::Matches(const wxChar *pszMask) const
+{
+    // I disable this code as it doesn't seem to be faster (in fact, it seems
+    // to be much slower) than the old, hand-written code below and using it
+    // here requires always linking with libregex even if the user code doesn't
+    // use it
+#if 0 // wxUSE_REGEX
+    // first translate the shell-like mask into a regex
+    wxString pattern;
+    pattern.reserve(wxStrlen(pszMask));
+
+    pattern += _T('^');
+    while ( *pszMask )
+    {
+        switch ( *pszMask )
+        {
+            case _T('?'):
+                pattern += _T('.');
+                break;
+
+            case _T('*'):
+                pattern += _T(".*");
+                break;
+
+            case _T('^'):
+            case _T('.'):
+            case _T('$'):
+            case _T('('):
+            case _T(')'):
+            case _T('|'):
+            case _T('+'):
+            case _T('\\'):
+                // these characters are special in a RE, quote them
+                // (however note that we don't quote '[' and ']' to allow
+                // using them for Unix shell like matching)
+                pattern += _T('\\');
+                // fall through
+
+            default:
+                pattern += *pszMask;
+        }
+
+        pszMask++;
+    }
+    pattern += _T('$');
+
+    // and now use it
+    return wxRegEx(pattern, wxRE_NOSUB | wxRE_EXTENDED).Matches(c_str());
+#else // !wxUSE_REGEX
+  // TODO: this is, of course, awfully inefficient...
+
+  // the char currently being checked
+  const wxChar *pszTxt = c_str();
+
+  // the last location where '*' matched
+  const wxChar *pszLastStarInText = NULL;
+  const wxChar *pszLastStarInMask = NULL;
+
+match:
+  for ( ; *pszMask != wxT('\0'); pszMask++, pszTxt++ ) {

     switch ( *pszMask ) {
     switch ( *pszMask ) {

-      case '?':
-        if ( *pszTxt == '\0' )
+      case wxT('?'):
+        if ( *pszTxt == wxT('\0') )

           return FALSE;
 
           return FALSE;
 

-        pszTxt++;
-        pszMask++;
+        // pszTxt and pszMask will be incremented in the loop statement
+

         break;
 
         break;
 

-      case '*':
+      case wxT('*'):

         {
         {

+          // remember where we started to be able to backtrack later
+          pszLastStarInText = pszTxt;
+          pszLastStarInMask = pszMask;
+

           // ignore special chars immediately following this one
           // ignore special chars immediately following this one

-          while ( *pszMask == '*' || *pszMask == '?' )
+          // (should this be an error?)
+          while ( *pszMask == wxT('*') || *pszMask == wxT('?') )

             pszMask++;
 
           // if there is nothing more, match
             pszMask++;
 
           // if there is nothing more, match

-          if ( *pszMask == '\0' )
+          if ( *pszMask == wxT('\0') )

             return TRUE;
 
           // are there any other metacharacters in the mask?
           size_t uiLenMask;
             return TRUE;
 
           // are there any other metacharacters in the mask?
           size_t uiLenMask;

-          const char *pEndMask = strpbrk(pszMask, "*?");
+          const wxChar *pEndMask = wxStrpbrk(pszMask, wxT("*?"));

 
           if ( pEndMask != NULL ) {
             // we have to match the string between two metachars
 
           if ( pEndMask != NULL ) {
             // we have to match the string between two metachars


@@ -1026,11 +1758,11 @@ bool wxString::Matches(const char *pszMask) const
           }
           else {
             // we have to match the remainder of the string
           }
           else {
             // we have to match the remainder of the string

-            uiLenMask = strlen(pszMask);
+            uiLenMask = wxStrlen(pszMask);

           }
 
           wxString strToMatch(pszMask, uiLenMask);
           }
 
           wxString strToMatch(pszMask, uiLenMask);

-          const char* pMatch = strstr(pszTxt, strToMatch);
+          const wxChar* pMatch = wxStrstr(pszTxt, strToMatch);

           if ( pMatch == NULL )
             return FALSE;
 
           if ( pMatch == NULL )
             return FALSE;
 


@@ -1048,11 +1780,27 @@ bool wxString::Matches(const char *pszMask) const
   }
 
   // match only if nothing left
   }
 
   // match only if nothing left

-  return *pszTxt == '\0';
+  if ( *pszTxt == wxT('\0') )
+    return TRUE;
+
+  // if we failed to match, backtrack if we can
+  if ( pszLastStarInText ) {
+    pszTxt = pszLastStarInText + 1;
+    pszMask = pszLastStarInMask;
+
+    pszLastStarInText = NULL;
+
+    // don't bother resetting pszLastStarInMask, it's unnecessary
+
+    goto match;
+  }
+
+  return FALSE;
+#endif // wxUSE_REGEX/!wxUSE_REGEX

 }
 
 // Count the number of chars
 }
 
 // Count the number of chars

-int wxString::Freq(char ch) const
+int wxString::Freq(wxChar ch) const

 {
     int count = 0;
     int len = Len();
 {
     int count = 0;
     int len = Len();


@@ -1071,7 +1819,7 @@ wxString wxString::Upper() const
 // convert to lower case, return the copy of the string
 wxString wxString::Lower() const { wxString s(*this); return s.MakeLower(); }
 
 // convert to lower case, return the copy of the string
 wxString wxString::Lower() const { wxString s(*this); return s.MakeLower(); }
 

-int wxString::sprintf(const char *pszFormat, ...)
+int wxString::sprintf(const wxChar *pszFormat, ...)

   {
     va_list argptr;
     va_start(argptr, pszFormat);
   {
     va_list argptr;
     va_start(argptr, pszFormat);


@@ -1080,175 +1828,36 @@ int wxString::sprintf(const char *pszFormat, ...)
     return iLen;
   }
 
     return iLen;
   }
 

-// ---------------------------------------------------------------------------
-// standard C++ library string functions
-// ---------------------------------------------------------------------------
-#ifdef  wxSTD_STRING_COMPATIBILITY
-
-wxString& wxString::insert(size_t nPos, const wxString& str)
-{
-  wxASSERT( str.GetStringData()->IsValid() );
-  wxASSERT( nPos <= Len() );
-
-  if ( !str.IsEmpty() ) {
-    wxString strTmp;
-    char *pc = strTmp.GetWriteBuf(Len() + str.Len());
-    strncpy(pc, c_str(), nPos);
-    strcpy(pc + nPos, str);
-    strcpy(pc + nPos + str.Len(), c_str() + nPos);
-    strTmp.UngetWriteBuf();
-    *this = strTmp;
-  }
-
-  return *this;
-}
-
-size_t wxString::find(const wxString& str, size_t nStart) const
-{
-  wxASSERT( str.GetStringData()->IsValid() );
-  wxASSERT( nStart <= Len() );
-
-  const char *p = strstr(c_str() + nStart, str);
-
-  return p == NULL ? npos : p - c_str();
-}
-
-// VC++ 1.5 can't cope with the default argument in the header.
-#if !defined(__VISUALC__) || defined(__WIN32__)
-size_t wxString::find(const char* sz, size_t nStart, size_t n) const
-{
-  return find(wxString(sz, n == npos ? 0 : n), nStart);
-}
-#endif // VC++ 1.5
-
-// Gives a duplicate symbol (presumably a case-insensitivity problem)
-#if !defined(__BORLANDC__)
-size_t wxString::find(char ch, size_t nStart) const
-{
-  wxASSERT( nStart <= Len() );
-
-  const char *p = strchr(c_str() + nStart, ch);
-
-  return p == NULL ? npos : p - c_str();
-}
-#endif
-
-size_t wxString::rfind(const wxString& str, size_t nStart) const
-{
-  wxASSERT( str.GetStringData()->IsValid() );
-  wxASSERT( nStart <= Len() );
-
-  // # could be quicker than that
-  const char *p = c_str() + (nStart == npos ? Len() : nStart);
-  while ( p >= c_str() + str.Len() ) {
-    if ( strncmp(p - str.Len(), str, str.Len()) == 0 )
-      return p - str.Len() - c_str();
-    p--;
-  }
-
-  return npos;
-}
-
-// VC++ 1.5 can't cope with the default argument in the header.
-#if !defined(__VISUALC__) || defined(__WIN32__)
-size_t wxString::rfind(const char* sz, size_t nStart, size_t n) const
-{
-  return rfind(wxString(sz, n == npos ? 0 : n), nStart);
-}
-
-size_t wxString::rfind(char ch, size_t nStart) const
-{
-  wxASSERT( nStart <= Len() );
-
-  const char *p = strrchr(c_str() + nStart, ch);
-
-  return p == NULL ? npos : p - c_str();
-}
-#endif // VC++ 1.5
-
-wxString wxString::substr(size_t nStart, size_t nLen) const
-{
-  // npos means 'take all'
-  if ( nLen == npos )
-    nLen = 0;
-
-  wxASSERT( nStart + nLen <= Len() );
-
-  return wxString(c_str() + nStart, nLen == npos ? 0 : nLen);
-}
-
-wxString& wxString::erase(size_t nStart, size_t nLen)
-{
-  wxString strTmp(c_str(), nStart);
-  if ( nLen != npos ) {
-    wxASSERT( nStart + nLen <= Len() );
-
-    strTmp.append(c_str() + nStart + nLen);
-  }
-
-  *this = strTmp;
-  return *this;
-}
-
-wxString& wxString::replace(size_t nStart, size_t nLen, const char *sz)
-{
-  wxASSERT( nStart + nLen <= Strlen(sz) );
-
-  wxString strTmp;
-  if ( nStart != 0 )
-    strTmp.append(c_str(), nStart);
-  strTmp += sz;
-  strTmp.append(c_str() + nStart + nLen);
-
-  *this = strTmp;
-  return *this;
-}
-
-wxString& wxString::replace(size_t nStart, size_t nLen, size_t nCount, char ch)
-{
-  return replace(nStart, nLen, wxString(ch, nCount));
-}
-
-wxString& wxString::replace(size_t nStart, size_t nLen,
-                            const wxString& str, size_t nStart2, size_t nLen2)
-{
-  return replace(nStart, nLen, str.substr(nStart2, nLen2));
-}
-
-wxString& wxString::replace(size_t nStart, size_t nLen,
-                        const char* sz, size_t nCount)
-{
-  return replace(nStart, nLen, wxString(sz, nCount));
-}
-
-#endif  //std::string compatibility
-

 // ============================================================================
 // ArrayString
 // ============================================================================
 
 // ============================================================================
 // ArrayString
 // ============================================================================
 

-// size increment = max(50% of current size, ARRAY_MAXSIZE_INCREMENT)
+#include "wx/arrstr.h"
+
+#if !wxUSE_STL
+
+// size increment = min(50% of current size, ARRAY_MAXSIZE_INCREMENT)

 #define   ARRAY_MAXSIZE_INCREMENT       4096
 #define   ARRAY_MAXSIZE_INCREMENT       4096

+

 #ifndef   ARRAY_DEFAULT_INITIAL_SIZE    // also defined in dynarray.h
 #ifndef   ARRAY_DEFAULT_INITIAL_SIZE    // also defined in dynarray.h

-  #define   ARRAY_DEFAULT_INITIAL_SIZE    (16)
+#define   ARRAY_DEFAULT_INITIAL_SIZE    (16)

 #endif
 
 #define   STRING(p)   ((wxString *)(&(p)))
 
 // ctor
 #endif
 
 #define   STRING(p)   ((wxString *)(&(p)))
 
 // ctor

-wxArrayString::wxArrayString()
+void wxArrayString::Init(bool autoSort)

 {
   m_nSize  =
   m_nCount = 0;
 {
   m_nSize  =
   m_nCount = 0;

-  m_pItems = (char **) NULL;
+  m_pItems = (wxChar **) NULL;
+  m_autoSort = autoSort;

 }
 
 // copy ctor
 wxArrayString::wxArrayString(const wxArrayString& src)
 {
 }
 
 // copy ctor
 wxArrayString::wxArrayString(const wxArrayString& src)
 {

-  m_nSize  =
-  m_nCount = 0;
-  m_pItems = (char **) NULL;
+  Init(src.m_autoSort);

 
   *this = src;
 }
 
   *this = src;
 }


@@ -1259,45 +1868,55 @@ wxArrayString& wxArrayString::operator=(const wxArrayString& src)
   if ( m_nSize > 0 )
     Clear();
 
   if ( m_nSize > 0 )
     Clear();
 

+  Copy(src);
+
+  m_autoSort = src.m_autoSort;
+
+  return *this;
+}
+
+void wxArrayString::Copy(const wxArrayString& src)
+{

   if ( src.m_nCount > ARRAY_DEFAULT_INITIAL_SIZE )
     Alloc(src.m_nCount);
 
   if ( src.m_nCount > ARRAY_DEFAULT_INITIAL_SIZE )
     Alloc(src.m_nCount);
 

-  // we can't just copy the pointers here because otherwise we would share
-  // the strings with another array

   for ( size_t n = 0; n < src.m_nCount; n++ )
     Add(src[n]);
   for ( size_t n = 0; n < src.m_nCount; n++ )
     Add(src[n]);

-
-  if ( m_nCount != 0 )
-    memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(char *));
-
-  return *this;

 }
 
 // grow the array
 }
 
 // grow the array

-void wxArrayString::Grow()
+void wxArrayString::Grow(size_t nIncrement)

 {
   // only do it if no more place
 {
   // only do it if no more place

-  if( m_nCount == m_nSize ) {
-    if( m_nSize == 0 ) {
+  if ( (m_nSize - m_nCount) < nIncrement ) {
+    // if ARRAY_DEFAULT_INITIAL_SIZE were set to 0, the initially empty would
+    // be never resized!
+    #if ARRAY_DEFAULT_INITIAL_SIZE == 0
+      #error "ARRAY_DEFAULT_INITIAL_SIZE must be > 0!"
+    #endif
+
+    if ( m_nSize == 0 ) {

       // was empty, alloc some memory
       m_nSize = ARRAY_DEFAULT_INITIAL_SIZE;
       // was empty, alloc some memory
       m_nSize = ARRAY_DEFAULT_INITIAL_SIZE;

-      m_pItems = new char *[m_nSize];
+      if (m_nSize < nIncrement)
+          m_nSize = nIncrement;
+      m_pItems = new wxChar *[m_nSize];

     }
     else {
       // otherwise when it's called for the first time, nIncrement would be 0
       // and the array would never be expanded
     }
     else {
       // otherwise when it's called for the first time, nIncrement would be 0
       // and the array would never be expanded

-      wxASSERT( ARRAY_DEFAULT_INITIAL_SIZE != 0 );
-

       // add 50% but not too much
       // add 50% but not too much

-      size_t nIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE
+      size_t ndefIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE

                           ? ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;
                           ? ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;

-      if ( nIncrement > ARRAY_MAXSIZE_INCREMENT )
-        nIncrement = ARRAY_MAXSIZE_INCREMENT;
+      if ( ndefIncrement > ARRAY_MAXSIZE_INCREMENT )
+        ndefIncrement = ARRAY_MAXSIZE_INCREMENT;
+      if ( nIncrement < ndefIncrement )
+        nIncrement = ndefIncrement;

       m_nSize += nIncrement;
       m_nSize += nIncrement;

-      char **pNew = new char *[m_nSize];
+      wxChar **pNew = new wxChar *[m_nSize];

 
       // copy data to new location
 
       // copy data to new location

-      memcpy(pNew, m_pItems, m_nCount*sizeof(char *));
+      memcpy(pNew, m_pItems, m_nCount*sizeof(wxChar *));

 
       // delete old memory (but do not release the strings!)
       wxDELETEA(m_pItems);
 
       // delete old memory (but do not release the strings!)
       wxDELETEA(m_pItems);


@@ -1344,36 +1963,94 @@ wxArrayString::~wxArrayString()
 // pre-allocates memory (frees the previous data!)
 void wxArrayString::Alloc(size_t nSize)
 {
 // pre-allocates memory (frees the previous data!)
 void wxArrayString::Alloc(size_t nSize)
 {

-  wxASSERT( nSize > 0 );
-

   // only if old buffer was not big enough
   if ( nSize > m_nSize ) {
     Free();
     wxDELETEA(m_pItems);
   // only if old buffer was not big enough
   if ( nSize > m_nSize ) {
     Free();
     wxDELETEA(m_pItems);

-    m_pItems = new char *[nSize];
+    m_pItems = new wxChar *[nSize];

     m_nSize  = nSize;
   }
 
   m_nCount = 0;
 }
 
     m_nSize  = nSize;
   }
 
   m_nCount = 0;
 }
 

-// searches the array for an item (forward or backwards)
-int wxArrayString::Index(const char *sz, bool bCase, bool bFromEnd) const
+// minimizes the memory usage by freeing unused memory
+void wxArrayString::Shrink()

 {
 {

-  if ( bFromEnd ) {
-    if ( m_nCount > 0 ) {
-      size_t ui = m_nCount;
-      do {
-        if ( STRING(m_pItems[--ui])->IsSameAs(sz, bCase) )
-          return ui;
-      }
-      while ( ui != 0 );
+  // only do it if we have some memory to free
+  if( m_nCount < m_nSize ) {
+    // allocates exactly as much memory as we need
+    wxChar **pNew = new wxChar *[m_nCount];
+
+    // copy data to new location
+    memcpy(pNew, m_pItems, m_nCount*sizeof(wxChar *));
+    delete [] m_pItems;
+    m_pItems = pNew;
+  }
+}
+
+#if WXWIN_COMPATIBILITY_2_4
+
+// return a wxString[] as required for some control ctors.
+wxString* wxArrayString::GetStringArray() const
+{
+    wxString *array = 0;
+
+    if( m_nCount > 0 )
+    {
+        array = new wxString[m_nCount];
+        for( size_t i = 0; i < m_nCount; i++ )
+            array[i] = m_pItems[i];
+    }
+
+    return array;
+}
+
+#endif // WXWIN_COMPATIBILITY_2_4
+
+// searches the array for an item (forward or backwards)
+int wxArrayString::Index(const wxChar *sz, bool bCase, bool bFromEnd) const
+{
+  if ( m_autoSort ) {
+    // use binary search in the sorted array
+    wxASSERT_MSG( bCase && !bFromEnd,
+                  wxT("search parameters ignored for auto sorted array") );
+
+    size_t i,
+           lo = 0,
+           hi = m_nCount;
+    int res;
+    while ( lo < hi ) {
+      i = (lo + hi)/2;
+
+      res = wxStrcmp(sz, m_pItems[i]);
+      if ( res < 0 )
+        hi = i;
+      else if ( res > 0 )
+        lo = i + 1;
+      else
+        return i;

     }
     }

+
+    return wxNOT_FOUND;

   }
   else {
   }
   else {

-    for( size_t ui = 0; ui < m_nCount; ui++ ) {
-      if( STRING(m_pItems[ui])->IsSameAs(sz, bCase) )
-        return ui;
+    // use linear search in unsorted array
+    if ( bFromEnd ) {
+      if ( m_nCount > 0 ) {
+        size_t ui = m_nCount;
+        do {
+          if ( STRING(m_pItems[--ui])->IsSameAs(sz, bCase) )
+            return ui;
+        }
+        while ( ui != 0 );
+      }
+    }
+    else {
+      for( size_t ui = 0; ui < m_nCount; ui++ ) {
+        if( STRING(m_pItems[ui])->IsSameAs(sz, bCase) )
+          return ui;
+      }

     }
   }
 
     }
   }
 


@@ -1381,63 +2058,220 @@ int wxArrayString::Index(const char *sz, bool bCase, bool bFromEnd) const
 }
 
 // add item at the end
 }
 
 // add item at the end

-void wxArrayString::Add(const wxString& str)
-{
-  wxASSERT( str.GetStringData()->IsValid() );
+size_t wxArrayString::Add(const wxString& str, size_t nInsert)
+{
+  if ( m_autoSort ) {
+    // insert the string at the correct position to keep the array sorted
+    size_t i,
+           lo = 0,
+           hi = m_nCount;
+    int res;
+    while ( lo < hi ) {
+      i = (lo + hi)/2;
+
+      res = wxStrcmp(str, m_pItems[i]);
+      if ( res < 0 )
+        hi = i;
+      else if ( res > 0 )
+        lo = i + 1;
+      else {
+        lo = hi = i;
+        break;
+      }
+    }
+
+    wxASSERT_MSG( lo == hi, wxT("binary search broken") );
+
+    Insert(str, lo, nInsert);
+
+    return (size_t)lo;
+  }
+  else {
+    wxASSERT( str.GetStringData()->IsValid() );
+
+    Grow(nInsert);

 
 

-  Grow();
+    for (size_t i = 0; i < nInsert; i++)
+    {
+        // the string data must not be deleted!
+        str.GetStringData()->Lock();

 
 

-  // the string data must not be deleted!
-  str.GetStringData()->Lock();
-  m_pItems[m_nCount++] = (char *)str.c_str();
+        // just append
+        m_pItems[m_nCount + i] = (wxChar *)str.c_str(); // const_cast
+    }
+    size_t ret = m_nCount;
+    m_nCount += nInsert;
+    return ret;
+  }

 }
 
 // add item at the given position
 }
 
 // add item at the given position

-void wxArrayString::Insert(const wxString& str, size_t nIndex)
+void wxArrayString::Insert(const wxString& str, size_t nIndex, size_t nInsert)

 {
   wxASSERT( str.GetStringData()->IsValid() );
 
 {
   wxASSERT( str.GetStringData()->IsValid() );
 

-  wxCHECK_RET( nIndex <= m_nCount, ("bad index in wxArrayString::Insert") );
+  wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArrayString::Insert") );
+  wxCHECK_RET( m_nCount <= m_nCount + nInsert,
+               wxT("array size overflow in wxArrayString::Insert") );
+
+  Grow(nInsert);

 
 

-  Grow();
+  memmove(&m_pItems[nIndex + nInsert], &m_pItems[nIndex],
+          (m_nCount - nIndex)*sizeof(wxChar *));

 
 

-  memmove(&m_pItems[nIndex + 1], &m_pItems[nIndex],
-          (m_nCount - nIndex)*sizeof(char *));
+  for (size_t i = 0; i < nInsert; i++)
+  {
+      str.GetStringData()->Lock();
+      m_pItems[nIndex + i] = (wxChar *)str.c_str();
+  }
+  m_nCount += nInsert;
+}

 
 

-  str.GetStringData()->Lock();
-  m_pItems[nIndex] = (char *)str.c_str();
+// expand the array
+void wxArrayString::SetCount(size_t count)
+{
+    Alloc(count);

 
 

-  m_nCount++;
+    wxString s;
+    while ( m_nCount < count )
+        m_pItems[m_nCount++] = (wxChar *)s.c_str();

 }
 
 // removes item from array (by index)
 }
 
 // removes item from array (by index)

-void wxArrayString::Remove(size_t nIndex)
+void wxArrayString::RemoveAt(size_t nIndex, size_t nRemove)

 {
 {

-  wxCHECK_RET( nIndex <= m_nCount, _("bad index in wxArrayString::Remove") );
+  wxCHECK_RET( nIndex < m_nCount, wxT("bad index in wxArrayString::Remove") );
+  wxCHECK_RET( nIndex + nRemove <= m_nCount,
+               wxT("removing too many elements in wxArrayString::Remove") );

 
   // release our lock
 
   // release our lock

-  Item(nIndex).GetStringData()->Unlock();
+  for (size_t i = 0; i < nRemove; i++)
+      Item(nIndex + i).GetStringData()->Unlock();

 
 

-  memmove(&m_pItems[nIndex], &m_pItems[nIndex + 1],
-          (m_nCount - nIndex - 1)*sizeof(char *));
-  m_nCount--;
+  memmove(&m_pItems[nIndex], &m_pItems[nIndex + nRemove],
+          (m_nCount - nIndex - nRemove)*sizeof(wxChar *));
+  m_nCount -= nRemove;

 }
 
 // removes item from array (by value)
 }
 
 // removes item from array (by value)

-void wxArrayString::Remove(const char *sz)
+void wxArrayString::Remove(const wxChar *sz)

 {
   int iIndex = Index(sz);
 
   wxCHECK_RET( iIndex != wxNOT_FOUND,
 {
   int iIndex = Index(sz);
 
   wxCHECK_RET( iIndex != wxNOT_FOUND,

-               _("removing inexistent element in wxArrayString::Remove") );
+               wxT("removing inexistent element in wxArrayString::Remove") );
+
+  RemoveAt(iIndex);
+}
+
+// ----------------------------------------------------------------------------
+// sorting
+// ----------------------------------------------------------------------------
+
+// we can only sort one array at a time with the quick-sort based
+// implementation
+#if wxUSE_THREADS
+  // need a critical section to protect access to gs_compareFunction and
+  // gs_sortAscending variables
+  static wxCriticalSection *gs_critsectStringSort = NULL;
+
+  // call this before the value of the global sort vars is changed/after
+  // you're finished with them
+  #define START_SORT()     wxASSERT( !gs_critsectStringSort );                \
+                           gs_critsectStringSort = new wxCriticalSection;     \
+                           gs_critsectStringSort->Enter()
+  #define END_SORT()       gs_critsectStringSort->Leave();                    \
+                           delete gs_critsectStringSort;                      \
+                           gs_critsectStringSort = NULL
+#else // !threads
+  #define START_SORT()
+  #define END_SORT()
+#endif // wxUSE_THREADS
+
+// function to use for string comparaison
+static wxArrayString::CompareFunction gs_compareFunction = NULL;
+
+// if we don't use the compare function, this flag tells us if we sort the
+// array in ascending or descending order
+static bool gs_sortAscending = TRUE;
+
+// function which is called by quick sort
+extern "C" int wxC_CALLING_CONV     // LINKAGEMODE
+wxStringCompareFunction(const void *first, const void *second)
+{
+  wxString *strFirst = (wxString *)first;
+  wxString *strSecond = (wxString *)second;
+
+  if ( gs_compareFunction ) {
+    return gs_compareFunction(*strFirst, *strSecond);
+  }
+  else {
+    // maybe we should use wxStrcoll
+    int result = wxStrcmp(strFirst->c_str(), strSecond->c_str());

 
 

-  Remove(iIndex);
+    return gs_sortAscending ? result : -result;
+  }

 }
 
 // sort array elements using passed comparaison function
 }
 
 // sort array elements using passed comparaison function

+void wxArrayString::Sort(CompareFunction compareFunction)
+{
+  START_SORT();
+
+  wxASSERT( !gs_compareFunction );  // must have been reset to NULL
+  gs_compareFunction = compareFunction;
+
+  DoSort();
+
+  // reset it to NULL so that Sort(bool) will work the next time
+  gs_compareFunction = NULL;
+
+  END_SORT();
+}
+
+typedef  int (wxC_CALLING_CONV * wxStringCompareFn)(const void *first, const void *second);
+
+void wxArrayString::Sort(CompareFunction2 compareFunction)
+{
+  qsort(m_pItems, m_nCount, sizeof(wxChar *), (wxStringCompareFn)compareFunction);
+}
+
+void wxArrayString::Sort(bool reverseOrder)
+{
+  Sort(reverseOrder ? wxStringSortDescending : wxStringSortAscending);
+}
+
+void wxArrayString::DoSort()
+{
+  wxCHECK_RET( !m_autoSort, wxT("can't use this method with sorted arrays") );
+
+  // just sort the pointers using qsort() - of course it only works because
+  // wxString() *is* a pointer to its data
+  qsort(m_pItems, m_nCount, sizeof(wxChar *), wxStringCompareFunction);
+}
+
+bool wxArrayString::operator==(const wxArrayString& a) const
+{
+    if ( m_nCount != a.m_nCount )
+        return FALSE;
+
+    for ( size_t n = 0; n < m_nCount; n++ )
+    {
+        if ( Item(n) != a[n] )
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+#endif // !wxUSE_STL
+
+int wxStringSortAscending(wxString* s1, wxString* s2)
+{
+    return wxStrcmp(s1->c_str(), s2->c_str());
+}

 
 

-void wxArrayString::Sort(bool WXUNUSED(bCase), bool WXUNUSED(bReverse) )
+int wxStringSortDescending(wxString* s1, wxString* s2)

 {
 {

-  //@@@@ TO DO
-  //qsort(m_pItems, m_nCount, sizeof(char *), fCmp);
+    return -wxStrcmp(s1->c_str(), s2->c_str());

 }
 }