Myriad tool is back, mostly works!

1 files changed, 280 insertions, 0 deletions

diff --git a/src/tools/myriad.cpp b/src/tools/myriad.cpp
new file mode 100644
index 0000000..1dc73ec
--- /dev/null
+++ b/src/tools/myriad.cpp
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 2007-2023 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#include "bu/sio.h"
+#include "bu/file.h"
+#include "bu/myriad.h"
+#include "bu/myriadstream.h"
+#include "bu/optparser.h"
+
+#include <stdlib.h>
+
+using namespace Bu;
+
+enum Mode
+{
+    modeCreate,
+    modeInfo,
+    modeStreamNew,
+    modeStreamDump,
+    modeStreamPut,
+    modeStreamGet,
+    modeBlockMap,
+
+    modeNone
+};
+
+class Options : public OptParser
+{
+public:
+    Options( int argc, char *argv[] ) :
+        eMode( modeNone ),
+        iBlockSize( 64 ),
+        iPreallocate( 0 ),
+        iStream( 0 )
+    {
+        addHelpBanner("Mode of operation:");
+        addOption( eMode, 'c', "create",
+                "Create a new Myriad file." );
+        addOption( eMode, 'i', "info",
+                "Display some info about a Myriad file." );
+        addOption( eMode, 'n', "new",
+                "Create a new sub-stream in a Myriad file.");
+        addOption( eMode, 'd', "dump",
+                "Display a hexdump of a stream from a Myriad file.");
+        addOption( eMode, "get",
+                "Get a file out of a Myriad stream (use --dst).");
+        addOption( eMode, "put",
+                "Put a file into a Myriad stream (usr --src).");
+        addOption( eMode, 'm', "block-map",
+                "Visualize block usage.");
+        addHelpOption();
+
+        addHelpBanner("\nGeneral options:");
+        addOption( iBlockSize, 'b', "block-size", "Set the block size." );
+        addOption( iPreallocate, 'p', "preallocate",
+            "Number of blocks to preallocate." );
+        addOption( sFile, 'f', "file", "Set the Myriad filename." );
+        addOption( iStream, 's', "stream", "Substream to work with.");
+        addOption( sSrc, "src", "Source file for copying into a Myriad file.");
+        addOption( sDst, "dst",
+                "Destination file for copying out of a Myriad file.");
+
+        setOverride( "create", modeCreate );
+        setOverride( "info", modeInfo );
+        setOverride( "new", modeStreamNew );
+        setOverride( "dump", modeStreamDump );
+        setOverride( "put", modeStreamPut );
+        setOverride( "get", modeStreamGet );
+        setOverride( "block-map", modeBlockMap );
+
+        parse( argc, argv );
+    }
+
+    Mode eMode;
+    int iBlockSize;
+    int iPreallocate;
+    int iStream;
+    Bu::String sFile;
+    Bu::String sSrc;
+    Bu::String sDst;
+};
+
+Bu::Formatter &operator>>( Bu::Formatter &f, Mode & /*e*/ )
+{
+    sio << "Uh oh, the formatter was called..." << sio.nl;
+    return f;
+}
+
+int main( int argc, char *argv[] )
+{
+    Options opts( argc, argv );
+
+    switch( opts.eMode )
+    {
+        case modeCreate:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file to create." << sio.nl;
+                return 0;
+            }
+            else
+            {
+                File fOut( opts.sFile, File::WriteNew|File::Read );
+                Myriad m( fOut, opts.iBlockSize, opts.iPreallocate );
+            }
+            break;
+
+        case modeInfo:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file to display info about." << sio.nl;
+                return 0;
+            }
+            else
+            {
+                File fIn( opts.sFile, File::Read );
+                Myriad m( fIn );
+                sio << "Myriad info:" << sio.nl
+                    << "  Block size:   " << m.getBlockSize() << sio.nl
+                    << "  Block count:  " << m.getTotalBlocks() << sio.nl
+                    << "  Blocks used:  " << m.getUsedBlocks() << " ("
+                    << m.getUsedBlocks()*100/m.getTotalBlocks() << "%)"
+                    << sio.nl
+                    << "  Stream count: " << m.getTotalStreams() << sio.nl
+                    << "  Used space:   " << m.getTotalUsedBytes() << sio.nl
+                    << "  Unused space: " << m.getTotalUnusedBytes() << sio.nl
+                    << "  % of files:   " << (double)(m.getTotalBlocks()*m.getBlockSize())/(double)(m.getTotalUsedBytes() + m.getTotalUnusedBytes( 4096 ))*100.0 << sio.nl;
+/*              Bu::Array<int> aStreams = m.getStreamIds();
+                sio << "  Stream info:" << sio.nl;
+                for( Bu::Array<int>::iterator i = aStreams.begin(); i; i++ )
+                {
+                    sio << "    " << Fmt(4) << *i << ") "
+                        << m.getStreamSize( *i ) << "b" << sio.nl;
+                } */
+            }
+            break;
+
+        case modeStreamNew:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file manipulate." << sio.nl;
+                return 0;
+            }
+            else
+            {
+                File fOut( opts.sFile, File::Write|File::Read );
+                Myriad m( fOut );
+                m.create( Bu::Myriad::WriteNew, opts.iPreallocate );
+            }
+            break;
+
+        case modeStreamDump:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file to manipulate." << sio.nl;
+                return 0;
+            }
+            else
+            {
+                File fOut( opts.sFile, File::Read );
+                Myriad m( fOut );
+                MyriadStream s = m.open( opts.iStream, Bu::Myriad::Read );
+                sio << "Stream " << opts.iStream << ":" << sio.nl;
+                char buf[8];
+                int iPos = 0;
+                while( !s.isEos() )
+                {
+                    size_t sAmnt = s.read( buf, 8 );
+                    sio << Fmt(5) << iPos << ": ";
+                    iPos += sAmnt;
+                    for( size_t j = 0; j < sAmnt; j++ )
+                    {
+                        sio << Fmt::hex(2) << (int)((unsigned char)buf[j])
+                            << " ";
+                    }
+                    for( size_t j = sAmnt; j < 8; j++ )
+                    {
+                        sio << "-- ";
+                    }
+                    sio << "| ";
+                    for( size_t j = 0; j < sAmnt; j++ )
+                    {
+                        if( buf[j] >= 32 && buf[j] <= 126 )
+                            sio << buf[j] << " ";
+                        else
+                            sio << "  ";
+                    }
+                    sio << sio.nl;
+                }
+                sio << "Position: " << s.tell() << ", isEos()=" << s.isEos()
+                    << sio.nl;
+            }
+            break;
+
+        case modeStreamPut:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file manipulate." << sio.nl;
+                return 0;
+            }
+            else if( !opts.sSrc.isSet() )
+            {
+                sio << "Please specify a source file to read." << sio.nl;
+            }
+            else
+            {
+                File fOut( opts.sFile, File::Write|File::Read );
+                Myriad m( fOut );
+                MyriadStream sOut = m.create(
+                    Bu::Myriad::WriteNew, opts.iPreallocate
+                    );
+                File fIn( opts.sSrc, File::Read );
+                char buf[1024];
+                while( !fIn.isEos() )
+                {
+                    sOut.write( buf, fIn.read( buf, 1024 ) );
+                }
+            }
+            break;
+
+        case modeStreamGet:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file manipulate." << sio.nl;
+                return 0;
+            }
+            else if( !opts.sDst.isSet() )
+            {
+                sio << "Please specify a destination file to write." << sio.nl;
+            }
+            else
+            {
+                File fIn( opts.sFile, File::Write|File::Read );
+                Myriad m( fIn );
+                MyriadStream sIn = m.open( opts.iStream, Bu::Myriad::Read );
+                File fOut( opts.sDst, File::Write|File::Create|File::Truncate );
+                char buf[1024];
+                while( !sIn.isEos() )
+                {
+                    fOut.write( buf, sIn.read( buf, 1024 ) );
+                }
+            }
+            break;
+
+        case modeBlockMap:
+            if( !opts.sFile.isSet() )
+            {
+                sio << "Please specify a file manipulate." << sio.nl;
+                return 0;
+            }
+            {
+                File fIn( opts.sFile, File::Write|File::Read );
+                Myriad m( fIn );
+/*                Bu::BitString bs = m.getBlocksUsed();
+                for( int j = 0; j < bs.getSize(); j++ )
+                {
+                    if( j>0 && (j%50) == 0 )
+                        Bu::println("");
+                    if( bs.getBit( j ) )
+                        Bu::print("#");
+                    else
+                        Bu::print("-");
+                }*/
+                Bu::println("\n");
+            }
+            break;
+
+        case modeNone:
+            sio << "Please select a mode, for more info, try --help."
+                << sio.nl << sio.nl;
+            break;
+    }
+
+    return 0;
+}
+