allow changing the page from keyboard in property sheet like controls even when the...

[wxWidgets.git] / src / xml / xml.cpp

diff --git a/src/xml/xml.cpp b/src/xml/xml.cpp
index 619f93ab51dffc8cf0cf82d6e9a41f2c86a2d4b7..990d6aa81fb2e44650c88fd3c1824a7ea48d2223 100644 (file)
--- a/src/xml/xml.cpp
+++ b/src/xml/xml.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        xml.cpp
+// Name:        src/xml/xml.cpp
 // Purpose:     wxXmlDocument - XML parser & data holder class
 // Author:      Vaclav Slavik
 // Created:     2000/03/05
@@ -15,21 +15,24 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_XML
+
 #include "wx/xml/xml.h"
 
-#if wxUSE_XML
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+#endif
 
 #include "wx/wfstream.h"
 #include "wx/datstrm.h"
 #include "wx/zstream.h"
-#include "wx/log.h"
-#include "wx/intl.h"
 #include "wx/strconv.h"
 
 #include "expat.h" // from Expat
 
 // DLL options compatibility check:
-#include "wx/app.h"
 WX_CHECK_BUILD_OPTIONS("wxXML")
 
 
@@ -345,12 +348,16 @@ void wxXmlDocument::DoCopy(const wxXmlDocument& doc)
 bool wxXmlDocument::Load(const wxString& filename, const wxString& encoding)
 {
     wxFileInputStream stream(filename);
+    if (!stream.Ok())
+        return false;
     return Load(stream, encoding);
 }
 
 bool wxXmlDocument::Save(const wxString& filename) const
 {
     wxFileOutputStream stream(filename);
+    if (!stream.Ok())
+        return false;
     return Save(stream);
 }
 
@@ -365,29 +372,30 @@ bool wxXmlDocument::Save(const wxString& filename) const
        - process all elements, including CDATA
  */
 
-// converts Expat-produced string in UTF-8 into wxString.
-inline static wxString CharToString(wxMBConv *conv,
+// converts Expat-produced string in UTF-8 into wxString using the specified
+// conv or keep in UTF-8 if conv is NULL
+static wxString CharToString(wxMBConv *conv,
                                     const char *s, size_t len = wxSTRING_MAXLEN)
 {
 #if wxUSE_UNICODE
-    (void)conv;
+    wxUnusedVar(conv);
+
     return wxString(s, wxConvUTF8, len);
-#else
+#else // !wxUSE_UNICODE
     if ( conv )
     {
-        size_t nLen = (len != wxSTRING_MAXLEN) ? len :
-                          wxConvUTF8.MB2WC((wchar_t*) NULL, s, 0);
+        // there can be no embedded NULs in this string so we don't need the
+        // output length, it will be NUL-terminated
+        const wxWCharBuffer wbuf(
+            wxConvUTF8.cMB2WC(s, len == wxSTRING_MAXLEN ? wxNO_LEN : len, NULL));
 
-        wchar_t *buf = new wchar_t[nLen+1];
-        wxConvUTF8.MB2WC(buf, s, nLen);
-        buf[nLen] = 0;
-        wxString str(buf, *conv, len);
-        delete[] buf;
-        return str;
+        return wxString(wbuf, *conv);
     }
-    else
+    else // already in UTF-8, no conversion needed
+    {
         return wxString(s, len != wxSTRING_MAXLEN ? len : strlen(s));
-#endif
+    }
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 }
 
 struct wxXmlParsingContext