Fixed a strange MSVC compile error (C2253) It thought a pure virtual

[wxWidgets.git] / src / html / htmlfilt.cpp
diff --git a/src/html/htmlfilt.cpp b/src/html/htmlfilt.cpp

index 6f30086b6021c020a062f5fb70d62dd1a7c87045..0482dc49cd0c869e8b460d88a53d093028a78d5d 100644 (file)
--- a/src/html/htmlfilt.cpp
+++ b/src/html/htmlfilt.cpp
@@ -9,7 +9,7 @@
  
  
  #ifdef __GNUG__
-#pragma implementation
+#pragma implementation "htmlfilt.h"
  #endif
  
  #include "wx/wxprec.h"
@@ -22,12 +22,42 @@
  #endif
  
  #ifndef WXPRECOMP
-#include "wx/wx.h"
+    #include "wx/log.h"
+    #include "wx/intl.h"
  #endif
  
  #include "wx/html/htmlfilt.h"
  #include "wx/html/htmlwin.h"
  
+// utility function: read a wxString from a wxInputStream
+void wxPrivate_ReadString(wxString& str, wxInputStream* s)
+{
+    size_t streamSize = s->GetSize();
+
+    if(streamSize == ~(size_t)0)
+    {
+        const size_t bufSize = 4095;
+        char buffer[bufSize+1];
+        size_t lastRead;
+
+        do
+        {
+            s->Read(buffer, bufSize);
+            lastRead = s->LastRead();
+            buffer[lastRead] = 0;
+            str.Append(buffer);
+        }
+        while(lastRead == bufSize);
+    }
+    else
+    {
+        char* src = new char[streamSize+1];
+        s->Read(src, streamSize);
+        src[streamSize] = 0;
+        str = src;
+        delete [] src;
+    }
+}
  
  /*
  
@@ -54,16 +84,12 @@ bool wxHtmlFilterPlainText::CanRead(const wxFSFile& WXUNUSED(file)) const
  wxString wxHtmlFilterPlainText::ReadFile(const wxFSFile& file) const
  {
      wxInputStream *s = file.GetStream();
-    char *src;
      wxString doc, doc2;
  
      if (s == NULL) return wxEmptyString;
-    src = new char[s->GetSize()+1];
-    src[s->GetSize()] = 0;
-    s->Read(src, s->GetSize());
-    doc = src;
-    delete [] src;
+    wxPrivate_ReadString(doc, s);
  
+    doc.Replace(wxT("&"), wxT("&amp;"), TRUE);
      doc.Replace(wxT("<"), wxT("&lt;"), TRUE);
      doc.Replace(wxT(">"), wxT("&gt;"), TRUE);
      doc2 = "<HTML><BODY><PRE>\n" + doc + "\n</PRE></BODY></HTML>";
@@ -138,26 +164,21 @@ bool wxHtmlFilterHTML::CanRead(const wxFSFile& file) const
  wxString wxHtmlFilterHTML::ReadFile(const wxFSFile& file) const
  {
      wxInputStream *s = file.GetStream();
-    char *src;
      wxString doc;
  
-    if (s == NULL) 
+    if (s == NULL)
      {
          wxLogError(_("Cannot open HTML document: %s"), file.GetLocation().c_str());
          return wxEmptyString;
      }
-    src = new char[s->GetSize() + 1];
-    src[s->GetSize()] = 0;
-    s->Read(src, s->GetSize());
-    doc = src;
-    delete[] src;
+    wxPrivate_ReadString(doc, s);
  
-    // add meta tag if we obtained this through http:    
+    // add meta tag if we obtained this through http:
      if (file.GetMimeType().Find(_T("; charset=")) == 0)
      {
          wxString s(_T("<meta http-equiv=\"Content-Type\" content=\""));
          s << file.GetMimeType() <<  _T("\">");
-        return s;
+        return s+doc;
      }
  
      return doc;