wchar_t byte-swapping is not necessary if __STDC_ISO_10646__ is defined.

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

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 512206fe5742c188ac6c4d76cf6907275a1596cf..4fd4c02a1466e3212058085f0abdb56f925786f1 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -113,9 +113,11 @@ extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
 //       function wxVsnprintfA (A for ANSI), should also find one for Unicode
 //       strings in Unicode build
 #ifdef __WXMSW__
-    #if defined(__VISUALC__) || defined(__MINGW32__)
+    #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
@@ -986,14 +986,22 @@ wxString& wxString::MakeLower()
 // 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
   if ( !IsEmpty() &&
        (
-        (bFromRight && wxIsspace(GetChar(Len() - 1))) ||
-        (!bFromRight && wxIsspace(GetChar(0u)))
+        (bFromRight && wxSafeIsspace(GetChar(Len() - 1))) ||
+        (!bFromRight && wxSafeIsspace(GetChar(0u)))
        )
      )
   {
@@ -1004,7 +1012,7 @@ wxString& wxString::Trim(bool bFromRight)
     {
       // find last non-space character
       wxChar *psz = m_pchData + GetStringData()->nDataLength - 1;
-      while ( wxIsspace(*psz) && (psz >= m_pchData) )
+      while ( wxSafeIsspace(*psz) && (psz >= m_pchData) )
         psz--;
 
       // truncate at trailing space start
@@ -1015,7 +1023,7 @@ wxString& wxString::Trim(bool bFromRight)
     {
       // find first non-space character
       const wxChar *psz = m_pchData;
-      while ( wxIsspace(*psz) )
+      while ( wxSafeIsspace(*psz) )
         psz++;
 
       // fix up data and length
@@ -1402,7 +1410,7 @@ 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;
@@ -1536,8 +1544,34 @@ int wxString::sprintf(const wxChar *pszFormat, ...)
 // ---------------------------------------------------------------------------
 // standard C++ library string functions
 // ---------------------------------------------------------------------------
+
 #ifdef  wxSTD_STRING_COMPATIBILITY
 
+void wxString::resize(size_t nSize, wxChar ch)
+{
+    size_t len = length();
+
+    if ( nSize < len )
+    {
+        Truncate(nSize);
+    }
+    else if ( nSize > len )
+    {
+        *this += wxString(ch, len - nSize);
+    }
+    //else: we have exactly the specified length, nothing to do
+}
+
+void wxString::swap(wxString& str)
+{
+    // this is slightly less efficient than fiddling with m_pchData directly,
+    // but it is still quite efficient as we don't copy the string here because
+    // ref count always stays positive
+    wxString tmp = str;
+    str = *this;
+    *this = str;
+}
+
 wxString& wxString::insert(size_t nPos, const wxString& str)
 {
   wxASSERT( str.GetStringData()->IsValid() );