Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches

src/blockfile/SilentBlockFile.cpp

@@ -0,0 +1,99 @@
+/**********************************************************************
+
+  Audacity: A Digital Audio Editor
+
+  SilentBlockFile.cpp
+
+  Joshua Haberman
+
+**********************************************************************/
+
+#include "SilentBlockFile.h"
+#include "../FileFormats.h"
+
+SilentBlockFile::SilentBlockFile(sampleCount sampleLen):
+   BlockFile(wxFileName(), sampleLen)
+{
+   mMin = 0.;
+   mMax = 0.;
+   mRMS = 0.;
+}
+
+SilentBlockFile::~SilentBlockFile()
+{
+}
+
+bool SilentBlockFile::ReadSummary(void *data)
+{
+   memset(data, 0, (size_t)mSummaryInfo.totalSummaryBytes);
+   return true;
+}
+
+int SilentBlockFile::ReadData(samplePtr data, sampleFormat format,
+                              sampleCount start, sampleCount len)
+{
+   ClearSamples(data, format, 0, len);
+
+   return len;
+}
+
+void SilentBlockFile::SaveXML(XMLWriter &xmlFile)
+{
+   xmlFile.StartTag(wxT("silentblockfile"));
+
+   xmlFile.WriteAttr(wxT("len"), mLen);
+
+   xmlFile.EndTag(wxT("silentblockfile"));
+}
+
+/// static
+BlockFile *SilentBlockFile::BuildFromXML(DirManager &dm, const wxChar **attrs)
+{
+   long nValue;
+   sampleCount len = 0;
+
+   while(*attrs)
+   {
+       const wxChar *attr =  *attrs++;
+       const wxChar *value = *attrs++;
+
+       if (!value)
+         break;
+
+       const wxString strValue = value;
+       if( !wxStrcmp(attr, wxT("len")) && 
+            XMLValueChecker::IsGoodInt(strValue) && strValue.ToLong(&nValue)) 
+          len = nValue;
+   }
+
+   if (len <= 0)
+      return NULL;
+
+   return new SilentBlockFile(len);
+}
+
+/// Create a copy of this BlockFile
+BlockFile *SilentBlockFile::Copy(wxFileName newFileName)
+{
+   BlockFile *newBlockFile = new SilentBlockFile(mLen);
+
+   return newBlockFile;
+}
+
+wxLongLong SilentBlockFile::GetSpaceUsage()
+{
+   return 0;
+}
+
+
+// Indentation settings for Vim and Emacs and unique identifier for Arch, a
+// version control system. Please do not modify past this point.
+//
+// Local Variables:
+// c-basic-offset: 3
+// indent-tabs-mode: nil
+// End:
+//
+// vim: et sts=3 sw=3
+// arch-tag: d7d174aa-19f1-4bc8-8bd9-c075dcd1cc1b
+