Don't complain under MicroWindows if a wxDC's HDC is NULL - it happens

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

diff --git a/src/common/string.cpp b/src/common/string.cpp
index f94a551e4f75da6661f56ce660a4d40806aabeca..902b9a5af744f21f6dc53b9310b4c108f203ed42 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -86,10 +86,10 @@ static const struct
 } g_strEmpty = { {-1, 0, 0}, wxT('\0') };
 
 #if defined(__VISAGECPP__) && __IBMCPP__ >= 400
-// must define this static for VA or else you get multiply defined symbols everywhere
+// must define this static for VA or else you get multiply defined symbols
+// everywhere
 const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100;
-
-#endif
+#endif // Visual Age
 
 // empty C style string: points to 'string data' byte of g_strEmpty
 extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
@@ -116,6 +116,8 @@ extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
     #if defined(__VISUALC__) || (defined(__MINGW32__) && wxUSE_NORLANDER_HEADERS)
         #define wxVsnprintfA     _vsnprintf
     #endif
+#elif defined(__WXMAC__)
+    #define wxVsnprintfA       vsnprintf
 #else   // !Windows
     #ifdef HAVE_VSNPRINTF
         #define wxVsnprintfA       vsnprintf
@@ -130,9 +132,7 @@ extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
 
     #if defined(__VISUALC__)
         #pragma message("Using sprintf() because no snprintf()-like function defined")
-    #elif defined(__GNUG__) && !defined(__UNIX__)
-        #warning "Using sprintf() because no snprintf()-like function defined"
-    #elif defined(__MWERKS__)
+    #elif defined(__GNUG__)
         #warning "Using sprintf() because no snprintf()-like function defined"
     #endif //compiler
 #endif // no vsnprintf
@@ -153,7 +153,7 @@ extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
 //
 // 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);
@@ -184,7 +184,7 @@ istream& operator>>(istream& is, wxString& WXUNUSED(str))
   return is;
 }
 
-ostream& operator<<(ostream& os, const wxString& str)
+wxSTD ostream& operator<<(wxSTD ostream& os, const wxString& str)
 {
   os << str.c_str();
   return os;
@@ -201,7 +201,8 @@ extern int WXDLLEXPORT wxVsnprintf(wxChar *buf, size_t len,
     int iLen = s.PrintfV(format, argptr);
     if ( iLen != -1 )
     {
-        wxStrncpy(buf, s.c_str(), iLen);
+        wxStrncpy(buf, s.c_str(), len);
+        buf[len-1] = wxT('\0');
     }
 
     return iLen;
@@ -1151,7 +1152,7 @@ wxString wxString::Format(const wxChar *pszFormat, ...)
 wxString wxString::FormatV(const wxChar *pszFormat, va_list argptr)
 {
     wxString s;
-    s.Printf(pszFormat, argptr);
+    s.PrintfV(pszFormat, argptr);
     return s;
 }
 
@@ -1410,7 +1411,7 @@ int wxString::PrintfV(const wxChar* pszFormat, va_list argptr)
 
   // NB: wxVsnprintf() may return either less than the buffer size or -1 if
   //     there is not enough place depending on implementation
-  int iLen = wxVsnprintfA(szScratch, WXSIZEOF(szScratch), pszFormat, argptr);
+  int iLen = wxVsnprintfA(szScratch, WXSIZEOF(szScratch), (char *)pszFormat, argptr);
   if ( iLen != -1 ) {
     // the whole string is in szScratch
     *this = szScratch;
@@ -1455,21 +1456,34 @@ int wxString::PrintfV(const wxChar* pszFormat, va_list argptr)
 // of them)
 bool wxString::Matches(const wxChar *pszMask) const
 {
-  // check char by char
-  const wxChar *pszTxt;
-  for ( pszTxt = c_str(); *pszMask != wxT('\0'); pszMask++, pszTxt++ ) {
+  // 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 ) {
       case wxT('?'):
         if ( *pszTxt == wxT('\0') )
           return FALSE;
 
-        // pszText and pszMask will be incremented in the loop statement
+        // pszTxt and pszMask will be incremented in the loop statement
 
         break;
 
       case wxT('*'):
         {
+          // remember where we started to be able to backtrack later
+          pszLastStarInText = pszTxt;
+          pszLastStarInMask = pszMask;
+
           // ignore special chars immediately following this one
+          // (should this be an error?)
           while ( *pszMask == wxT('*') || *pszMask == wxT('?') )
             pszMask++;
 
@@ -1509,7 +1523,22 @@ bool wxString::Matches(const wxChar *pszMask) const
   }
 
   // match only if nothing left
-  return *pszTxt == wxT('\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;
 }
 
 // Count the number of chars
@@ -1853,6 +1882,8 @@ wxArrayString& wxArrayString::operator=(const wxArrayString& src)
 
   Copy(src);
 
+  m_autoSort = src.m_autoSort;
+
   return *this;
 }
 
@@ -1869,8 +1900,14 @@ void wxArrayString::Copy(const wxArrayString& src)
 void wxArrayString::Grow()
 {
   // only do it if no more place
-  if( m_nCount == m_nSize ) {
-    if( m_nSize == 0 ) {
+  if ( m_nCount == m_nSize ) {
+    // 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;
       m_pItems = new wxChar *[m_nSize];
@@ -1878,13 +1915,6 @@ void wxArrayString::Grow()
     else {
       // otherwise when it's called for the first time, nIncrement would be 0
       // and the array would never be expanded
-#if defined(__VISAGECPP__) && defined(__WXDEBUG__)
-      int array_size = ARRAY_DEFAULT_INITIAL_SIZE;
-      wxASSERT( array_size != 0 );
-#else
-      wxASSERT( ARRAY_DEFAULT_INITIAL_SIZE != 0 );
-#endif
-
       // add 50% but not too much
       size_t nIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE
                           ? ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;