Recognize and handle raw data files in the data tool

[libs/datafile.git] / source / rawdata.cpp

diff --git a/source/rawdata.cpp b/source/rawdata.cpp
index b912a56d9b752a29439b00901d195f7b1ef04665..de4d7c22bb6e9d1a195174451a08e4817f1b2c75 100644 (file)
--- a/source/rawdata.cpp
+++ b/source/rawdata.cpp
@@ -96,5 +96,30 @@ void RawData::load_into(void *buffer)
        in = nullptr;
 }
 
+void RawData::write_io(IO::Base &io, bool compress)
+{
+       if(!data)
+               throw logic_error("no data");
+
+       io.write(signature, sizeof(signature));
+
+       for(unsigned i=56; i<64; i-=8)
+               io.put((size>>i)&0xFF);
+
+       uint16_t flags = 0;
+       if(compress)
+               flags |= COMPRESSED;
+       io.put((flags>>8)&0xFF);
+       io.put(flags&0xFF);
+
+       if(compress)
+       {
+               IO::ZlibCompressed z(io, IO::M_WRITE);
+               z.write(data, size);
+       }
+       else
+               io.write(data, size);
+}
+
 } // namespace DataFile
 } // namespace Msp