Package org.jruby.util.io

Examples of org.jruby.util.io.OpenFile

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        try {
            if (context.getRuntime().getSafeLevel() >= 4 && isTaint()) {
                throw context.getRuntime().newSecurityError("Insecure: can't close");
            }
           
            OpenFile myOpenFile = getOpenFileChecked();
           
            if (myOpenFile.getPipeStream() == null && myOpenFile.isReadable()) {
                throw context.getRuntime().newIOError("closing non-duplex IO for writing");
            }
           
            if (myOpenFile.getPipeStream() == null) {
                close();
            } else{
                myOpenFile.getPipeStream().fclose();
                myOpenFile.setPipeStream(null);
                myOpenFile.setMode(myOpenFile.getMode() & ~OpenFile.WRITABLE);
                // TODO
                // n is result of fclose; but perhaps having a SysError below is enough?
                // if (n != 0) rb_sys_fail(fptr->path);
            }
        } catch (IOException ioe) {
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        try {
            if (runtime.getSafeLevel() >= 4 && isTaint()) {
                throw runtime.newSecurityError("Insecure: can't close");
            }
           
            OpenFile myOpenFile = getOpenFileChecked();
           
            if (myOpenFile.getPipeStream() == null && myOpenFile.isWritable()) {
                throw runtime.newIOError("closing non-duplex IO for reading");
            }
           
            if (myOpenFile.getPipeStream() == null) {
                close();
            } else{
                myOpenFile.getMainStream().fclose();
                myOpenFile.setMode(myOpenFile.getMode() & ~OpenFile.READABLE);
                myOpenFile.setMainStream(myOpenFile.getPipeStream());
                myOpenFile.setPipeStream(null);
                // TODO
                // n is result of fclose; but perhaps having a SysError below is enough?
                // if (n != 0) rb_sys_fail(fptr->path);
            }
        } catch (IOException ioe) {
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            nArg = 1;
        } else {
            throw runtime.newNotImplementedError("JRuby does not support string for second fcntl/ioctl argument yet");
        }
       
        OpenFile myOpenFile = getOpenFileChecked();

        // Fixme: Only F_SETFL is current supported
        if (realCmd == 1L) {  // cmd is F_SETFL
            boolean block = true;
           
            if ((nArg & ModeFlags.NONBLOCK) == ModeFlags.NONBLOCK) {
                block = false;
            }

            try {
                myOpenFile.getMainStream().setBlocking(block);
            } catch (IOException e) {
                throw runtime.newIOError(e.getMessage());
            }
        } else {
            throw runtime.newNotImplementedError("JRuby only supports F_SETFL for fcntl/ioctl currently");
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     *
     */
    @JRubyMethod(name = "getc")
    public IRubyObject getc() {
        try {
            OpenFile myOpenFile = getOpenFileChecked();

            myOpenFile.checkReadable(getRuntime());
            myOpenFile.setReadBuffered();

            Stream stream = myOpenFile.getMainStream();
           
            readCheck(stream);
            stream.clearerr();
       
            int c = myOpenFile.getMainStream().fgetc();
           
            if (c == -1) {
                // TODO: check for ferror, clear it, and try once more up above readCheck
//                if (ferror(f)) {
//                    clearerr(f);
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     */
    @JRubyMethod(name = "ready?")
    public static IRubyObject ready(ThreadContext context, IRubyObject obj) {
        RubyIO io = (RubyIO)obj;
        try {
            OpenFile openFile = io.getOpenFile();
            ChannelDescriptor descriptor = openFile.getMainStream().getDescriptor();
            if (!descriptor.isOpen() || !openFile.getMainStream().getModes().isReadable() || openFile.getMainStream().feof()) {
                return context.getRuntime().getFalse();
            }

            int avail = openFile.getMainStream().ready();
            if (avail > 0) {
                return context.getRuntime().newFixnum(avail);
            }
        } catch (Exception anyEx) {
            return context.getRuntime().getFalse();
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     */
    @JRubyMethod
    public static IRubyObject io_wait(ThreadContext context, IRubyObject obj) {
        RubyIO io = (RubyIO)obj;
        try {
            OpenFile openFile = io.getOpenFile();
            ChannelDescriptor descriptor = openFile.getMainStream().getDescriptor();
            if (openFile.getMainStream().feof()) {
                return context.getRuntime().getNil();
            }
            openFile.getMainStream().waitUntilReady();
        } catch (Exception anyEx) {
            return context.getRuntime().getNil();
        }
        return obj;
    }
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     */
    @JRubyMethod(name = "ready?")
    public static IRubyObject ready(ThreadContext context, IRubyObject obj) {
        RubyIO io = (RubyIO)obj;
        try {
            OpenFile openFile = io.getOpenFile();
            ChannelDescriptor descriptor = openFile.getMainStreamSafe().getDescriptor();
            if (!descriptor.isOpen() || !openFile.getMainStreamSafe().getModes().isReadable() || openFile.getMainStreamSafe().feof()) {
                return context.getRuntime().getFalse();
            }

            int avail = openFile.getMainStreamSafe().ready();
            if (avail > 0) {
                return context.getRuntime().newFixnum(avail);
            }
        } catch (BadDescriptorException e) {
            throw context.runtime.newErrnoEBADFError();
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     */
    @JRubyMethod
    public static IRubyObject io_wait(ThreadContext context, IRubyObject obj) {
        RubyIO io = (RubyIO)obj;
        try {
            OpenFile openFile = io.getOpenFile();
            if (openFile.getMainStreamSafe().feof()) {
                return context.getRuntime().getNil();
            }
            openFile.getMainStreamSafe().waitUntilReady();
        } catch (BadDescriptorException e) {
            throw context.runtime.newErrnoEBADFError();
        } catch (Exception anyEx) {
            return context.getRuntime().getNil();
        }
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    // This should only be called by this and RubyFile.
    // It allows this object to be created without a IOHandler.
    public RubyIO(Ruby runtime, RubyClass type) {
        super(runtime, type);
       
        openFile = new OpenFile();
    }
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        // We only want IO objects with valid streams (better to error now).
        if (outputStream == null) {
            throw runtime.newRuntimeError("Opening null stream");
        }
       
        openFile = new OpenFile();
       
        try {
            openFile.setMainStream(ChannelStream.open(runtime, new ChannelDescriptor(Channels.newChannel(outputStream))));
        } catch (InvalidValueException e) {
            throw getRuntime().newErrnoEINVALError();
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Related Classes of org.jruby.util.io.OpenFile

  • jnr.posix.FileStat
  • org.jcodings.Encoding
  • org.jcodings.Ptr
  • org.jcodings.transcode.EConvResult
  • org.jruby.ext.ffi.IOModule
  • org.jruby.ext.io.wait.IOWaitLibrary
  • org.jruby.ext.net.protocol.NetProtocolBufferedIO
  • org.jruby.ext.NetProtocolBufferedIO
  • org.jruby.ext.socket.RubyBasicSocket
  • org.jruby.libraries.IOWaitLibrary
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