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BEGIN LICENSE BLOCK ***** Version: CPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Common Public License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.eclipse.org/legal/cpl-v10.html Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. Copyright (C) 2002 Benoit Cerrina <b.cerrina@wanadoo.fr> Copyright (C) 2002 Jan Arne Petersen <jpetersen@uni-bonn.de> Copyright (C) 2002-2007 Anders Bengtsson <ndrsbngtssn@yahoo.se> Copyright (C) 2003 Thomas E Enebo <enebo@acm.org> Copyright (C) 2004-2005 Charles O Nutter <headius@headius.com> Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de> Alternatively, the contents of this file may be used under the terms of either of the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the CPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the CPL, the GPL or the LGPL. END LICENSE BLOCK ***
 
 package org.jruby;
 
 
 
Marshal module

Author(s):
Anders
 
 @JRubyModule(name="Marshal")
 public class RubyMarshal {
 
     public static RubyModule createMarshalModule(Ruby runtime) {
         RubyModule module = runtime.defineModule("Marshal");
         runtime.setMarshal(module);
 
         module.defineAnnotatedMethods(RubyMarshal.class);
         module.defineConstant("MAJOR_VERSION"runtime.newFixnum(.));
         module.defineConstant("MINOR_VERSION"runtime.newFixnum(.));
 
         return module;
     }
 
     @JRubyMethod(required = 1, optional = 2, module = true)
     public static IRubyObject dump(IRubyObject recvIRubyObject[] argsBlock unusedBlock) {
         Ruby runtime = recv.getRuntime();
         IRubyObject objectToDump = args[0];
         IRubyObject io = null;
         int depthLimit = -1;
 
         if (args.length >= 2) {
             if (args[1].respondsTo("write")) {
                 io = args[1];
             } else if (args[1] instanceof RubyFixnum) {
                 depthLimit = (int) ((RubyFixnumargs[1]).getLongValue();
             } else {
                 throw runtime.newTypeError("Instance of IO needed");
             }
             if (args.length == 3) {
                 depthLimit = (intargs[2].convertToInteger().getLongValue();
             }
         }
 
         try {
             if (io != null) {
                 dumpToStream(runtimeobjectToDumpoutputStream(runtime.getCurrentContext(), io), depthLimit);
                 return io;
             }
             
            ByteArrayOutputStream stringOutput = new ByteArrayOutputStream();
            boolean[] taintUntrust = dumpToStream(runtimeobjectToDumpstringOutputdepthLimit);
            RubyString result = RubyString.newString(runtimenew ByteList(stringOutput.toByteArray()));
            
            if (taintUntrust[0]) result.setTaint(true);
            if (taintUntrust[1]) result.setUntrusted(true);
            return result;
        } catch (IOException ioe) {
            throw runtime.newIOErrorFromException(ioe);
        }
    }
    private static OutputStream outputStream(ThreadContext contextIRubyObject out) {
        setBinmodeIfPossible(contextout);
        return new IOOutputStream(out);
    }
    private static void setBinmodeIfPossible(ThreadContext contextIRubyObject io) {
        if (io.respondsTo("binmode")) io.callMethod(context"binmode");
    }
    @JRubyMethod(name = {"load""restore"}, required = 1, optional = 1, module = true)
    public static IRubyObject load(ThreadContext contextIRubyObject recvIRubyObject[] argsBlock unusedBlock) {
        Ruby runtime = context.runtime;
        IRubyObject in = args[0];
        IRubyObject proc = args.length == 2 ? args[1] : null;
        
        try {
            InputStream rawInput;
            boolean tainted;
            boolean untrusted;
            IRubyObject v = in.checkStringType();
            
            if (!v.isNil()) {
                tainted = in.isTaint();
                untrusted = in.isUntrusted();
                ByteList bytes = ((RubyStringv).getByteList();
                rawInput = new ByteArrayInputStream(bytes.getUnsafeBytes(), bytes.begin(), bytes.length());
            } else if (in.respondsTo("getc") && in.respondsTo("read")) {
                tainted = true;
                untrusted = true;
                rawInput = inputStream(contextin);
            } else {
                throw runtime.newTypeError("instance of IO needed");
            }
            return new UnmarshalStream(runtimerawInputproctainteduntrusted).unmarshalObject();
        } catch (EOFException e) {
            if (in.respondsTo("to_str")) throw runtime.newArgumentError("marshal data too short");
            throw runtime.newEOFError();
        } catch (IOException ioe) {
            throw runtime.newIOErrorFromException(ioe);
        }
    }
    private static InputStream inputStream(ThreadContext contextIRubyObject in) {
        setBinmodeIfPossible(contextin);
        return new IOInputStream(in);
    }
    private static boolean[] dumpToStream(Ruby runtimeIRubyObject objectOutputStream rawOutput,
            int depthLimitthrows IOException {
        MarshalStream output = new MarshalStream(runtimerawOutputdepthLimit);
        output.dumpObject(object);
        return new boolean[] {output.isTainted(), output.isUntrusted()};
    }
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