From a640c7c0c77199ef12b880a3de583cede5435691 Mon Sep 17 00:00:00 2001 From: Kenneth Russel Date: Tue, 13 May 2008 11:17:23 +0000 Subject: Refactorings to support building JOGL and supporting libraries on Java ME / CDC / FP git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/gluegen/trunk@75 a78bb65f-1512-4460-ba86-f6dc96a7bf27 --- .../gluegen/opengl/BuildComposablePipeline.java | 47 +++- .../com/sun/gluegen/runtime/BufferFactory.java | 277 --------------------- .../runtime/BufferFactory.java.javame_cdc_fp | 223 +++++++++++++++++ .../sun/gluegen/runtime/BufferFactory.java.javase | 277 +++++++++++++++++++++ .../com/sun/gluegen/runtime/StructAccessor.java | 191 -------------- .../runtime/StructAccessor.java.javame_cdc_fp | 135 ++++++++++ .../sun/gluegen/runtime/StructAccessor.java.javase | 191 ++++++++++++++ 7 files changed, 861 insertions(+), 480 deletions(-) delete mode 100644 src/java/com/sun/gluegen/runtime/BufferFactory.java create mode 100755 src/java/com/sun/gluegen/runtime/BufferFactory.java.javame_cdc_fp create mode 100755 src/java/com/sun/gluegen/runtime/BufferFactory.java.javase delete mode 100644 src/java/com/sun/gluegen/runtime/StructAccessor.java create mode 100755 src/java/com/sun/gluegen/runtime/StructAccessor.java.javame_cdc_fp create mode 100755 src/java/com/sun/gluegen/runtime/StructAccessor.java.javase (limited to 'src/java') diff --git a/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java b/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java index ff15027..818f0ce 100644 --- a/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java +++ b/src/java/com/sun/gluegen/opengl/BuildComposablePipeline.java @@ -50,7 +50,13 @@ public class BuildComposablePipeline { private String outputDirectory; private Class classToComposeAround; - + + // Only desktop OpenGL has immediate mode glBegin / glEnd + private boolean hasImmediateMode; + + // Desktop OpenGL and GLES1 have GL_STACK_OVERFLOW and GL_STACK_UNDERFLOW errors + private boolean hasStackOverflow; + public static void main(String[] args) { String nameOfClassToComposeAround = args[0]; @@ -88,6 +94,18 @@ public class BuildComposablePipeline throw new IllegalArgumentException( classToComposeAround.getName() + " is not an interface class"); } + + try { + hasImmediateMode = + (classToComposeAround.getMethod("glBegin", new Class[] { Integer.TYPE }) != null); + } catch (Exception e) { + } + + try { + hasStackOverflow = + (classToComposeAround.getField("GL_STACK_OVERFLOW") != null); + } catch (Exception e) { + } } /** @@ -110,7 +128,7 @@ public class BuildComposablePipeline * Emits a Java source file that represents one element of the composable * pipeline. */ - protected static abstract class PipelineEmitter + protected abstract class PipelineEmitter { private File file; private String basePackage; @@ -364,10 +382,12 @@ public class BuildComposablePipeline { output.println(" private void checkGLGetError(String caller)"); output.println(" {"); - output.println(" if (insideBeginEndPair) {"); - output.println(" return;"); - output.println(" }"); - output.println(); + if (hasImmediateMode) { + output.println(" if (insideBeginEndPair) {"); + output.println(" return;"); + output.println(" }"); + output.println(); + } output.println(" // Debug code to make sure the pipeline is working; leave commented out unless testing this class"); output.println(" //System.err.println(\"Checking for GL errors " + "after call to \" + caller + \"()\");"); @@ -389,8 +409,10 @@ public class BuildComposablePipeline output.println(" case GL_INVALID_ENUM: buf.append(\"GL_INVALID_ENUM \"); break;"); output.println(" case GL_INVALID_VALUE: buf.append(\"GL_INVALID_VALUE \"); break;"); output.println(" case GL_INVALID_OPERATION: buf.append(\"GL_INVALID_OPERATION \"); break;"); - output.println(" case GL_STACK_OVERFLOW: buf.append(\"GL_STACK_OVERFLOW \"); break;"); - output.println(" case GL_STACK_UNDERFLOW: buf.append(\"GL_STACK_UNDERFLOW \"); break;"); + if (hasStackOverflow) { + output.println(" case GL_STACK_OVERFLOW: buf.append(\"GL_STACK_OVERFLOW \"); break;"); + output.println(" case GL_STACK_UNDERFLOW: buf.append(\"GL_STACK_UNDERFLOW \"); break;"); + } output.println(" case GL_OUT_OF_MEMORY: buf.append(\"GL_OUT_OF_MEMORY \"); break;"); output.println(" case GL_NO_ERROR: throw new InternalError(\"Should not be treating GL_NO_ERROR as error\");"); output.println(" default: throw new InternalError(\"Unknown glGetError() return value: \" + err);"); @@ -400,10 +422,11 @@ public class BuildComposablePipeline ".glGetError()) != GL_NO_ERROR);"); output.println(" throw new GLException(buf.toString());"); output.println(" }"); - - output.println(" /** True if the pipeline is inside a glBegin/glEnd pair.*/"); - output.println(" private boolean insideBeginEndPair = false;"); - output.println(); + if (hasImmediateMode) { + output.println(" /** True if the pipeline is inside a glBegin/glEnd pair.*/"); + output.println(" private boolean insideBeginEndPair = false;"); + output.println(); + } output.println(" private void checkContext() {"); output.println(" GLContext currentContext = GLContext.getCurrent();"); output.println(" if (currentContext == null) {"); diff --git a/src/java/com/sun/gluegen/runtime/BufferFactory.java b/src/java/com/sun/gluegen/runtime/BufferFactory.java deleted file mode 100644 index 4f095f4..0000000 --- a/src/java/com/sun/gluegen/runtime/BufferFactory.java +++ /dev/null @@ -1,277 +0,0 @@ -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package com.sun.gluegen.runtime; - -import java.nio.*; - -public class BufferFactory { - public static final int SIZEOF_BYTE = 1; - public static final int SIZEOF_SHORT = 2; - public static final int SIZEOF_CHAR = 2; - public static final int SIZEOF_INT = 4; - public static final int SIZEOF_FLOAT = 4; - public static final int SIZEOF_LONG = 8; - public static final int SIZEOF_DOUBLE = 8; - - public static ByteBuffer newDirectByteBuffer(int size) { - ByteBuffer buf = ByteBuffer.allocateDirect(size); - buf.order(ByteOrder.nativeOrder()); - return buf; - } - - /** Helper routine to tell whether a buffer is direct or not. Null - pointers are considered direct. isDirect() should really be - public in Buffer and not replicated in all subclasses. */ - public static boolean isDirect(Buffer buf) { - if (buf == null) { - return true; - } - if (buf instanceof ByteBuffer) { - return ((ByteBuffer) buf).isDirect(); - } else if (buf instanceof FloatBuffer) { - return ((FloatBuffer) buf).isDirect(); - } else if (buf instanceof DoubleBuffer) { - return ((DoubleBuffer) buf).isDirect(); - } else if (buf instanceof CharBuffer) { - return ((CharBuffer) buf).isDirect(); - } else if (buf instanceof ShortBuffer) { - return ((ShortBuffer) buf).isDirect(); - } else if (buf instanceof IntBuffer) { - return ((IntBuffer) buf).isDirect(); - } else if (buf instanceof LongBuffer) { - return ((LongBuffer) buf).isDirect(); - } - throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName()); - } - - - /** Helper routine to get the Buffer byte offset by taking into - account the Buffer position and the underlying type. This is - the total offset for Direct Buffers. */ - - public static int getDirectBufferByteOffset(Buffer buf) { - if(buf == null) { - return 0; - } - if(buf instanceof ByteBuffer) { - return (buf.position()); - } else if (buf instanceof FloatBuffer) { - return (buf.position() * SIZEOF_FLOAT); - } else if (buf instanceof IntBuffer) { - return (buf.position() * SIZEOF_INT); - } else if (buf instanceof ShortBuffer) { - return (buf.position() * SIZEOF_SHORT); - } else if (buf instanceof DoubleBuffer) { - return (buf.position() * SIZEOF_DOUBLE); - } else if (buf instanceof LongBuffer) { - return (buf.position() * SIZEOF_LONG); - } else if (buf instanceof CharBuffer) { - return (buf.position() * SIZEOF_CHAR); - } - - throw new RuntimeException("Disallowed array backing store type in buffer " - + buf.getClass().getName()); - } - - - /** Helper routine to return the array backing store reference from - a Buffer object. */ - - public static Object getArray(Buffer buf) { - if (buf == null) { - return null; - } - if(buf instanceof ByteBuffer) { - return ((ByteBuffer) buf).array(); - } else if (buf instanceof FloatBuffer) { - return ((FloatBuffer) buf).array(); - } else if (buf instanceof IntBuffer) { - return ((IntBuffer) buf).array(); - } else if (buf instanceof ShortBuffer) { - return ((ShortBuffer) buf).array(); - } else if (buf instanceof DoubleBuffer) { - return ((DoubleBuffer) buf).array(); - } else if (buf instanceof LongBuffer) { - return ((LongBuffer) buf).array(); - } else if (buf instanceof CharBuffer) { - return ((CharBuffer) buf).array(); - } - - throw new RuntimeException("Disallowed array backing store type in buffer " - + buf.getClass().getName()); - } - - - /** Helper routine to get the full byte offset from the beginning of - the array that is the storage for the indirect Buffer - object. The array offset also includes the position offset - within the buffer, in addition to any array offset. */ - - public static int getIndirectBufferByteOffset(Buffer buf) { - if(buf == null) { - return 0; - } - int pos = buf.position(); - if(buf instanceof ByteBuffer) { - return (((ByteBuffer)buf).arrayOffset() + pos); - } else if(buf instanceof FloatBuffer) { - return (SIZEOF_FLOAT*(((FloatBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof IntBuffer) { - return (SIZEOF_INT*(((IntBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof ShortBuffer) { - return (SIZEOF_SHORT*(((ShortBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof DoubleBuffer) { - return (SIZEOF_DOUBLE*(((DoubleBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof LongBuffer) { - return (SIZEOF_LONG*(((LongBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof CharBuffer) { - return (SIZEOF_CHAR*(((CharBuffer)buf).arrayOffset() + pos)); - } - - throw new RuntimeException("Unknown buffer type " + buf.getClass().getName()); - } - - public static void rangeCheck(byte[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(char[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(short[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(int[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(long[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(float[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(double[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } - - public static void rangeCheck(Buffer buffer, int minElementsRemaining) { - if (buffer == null) { - return; - } - - if (buffer.remaining() < minElementsRemaining) { - throw new IndexOutOfBoundsException("Required " + minElementsRemaining + " remaining elements in buffer, only had " + buffer.remaining()); - } - } - - public static void rangeCheckBytes(Buffer buffer, int minBytesRemaining) { - if (buffer == null) { - return; - } - - int elementsRemaining = buffer.remaining(); - int bytesRemaining = 0; - if (buffer instanceof ByteBuffer) { - bytesRemaining = elementsRemaining; - } else if (buffer instanceof FloatBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_FLOAT; - } else if (buffer instanceof IntBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_INT; - } else if (buffer instanceof ShortBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_SHORT; - } else if (buffer instanceof DoubleBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_DOUBLE; - } else if (buffer instanceof LongBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_LONG; - } else if (buffer instanceof CharBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_CHAR; - } - if (bytesRemaining < minBytesRemaining) { - throw new IndexOutOfBoundsException("Required " + minBytesRemaining + " remaining bytes in buffer, only had " + bytesRemaining); - } - } -} diff --git a/src/java/com/sun/gluegen/runtime/BufferFactory.java.javame_cdc_fp b/src/java/com/sun/gluegen/runtime/BufferFactory.java.javame_cdc_fp new file mode 100755 index 0000000..16c1494 --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/BufferFactory.java.javame_cdc_fp @@ -0,0 +1,223 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.runtime; + +import java.nio.*; + +public class BufferFactory { + public static final int SIZEOF_BYTE = 1; + public static final int SIZEOF_SHORT = 2; + public static final int SIZEOF_INT = 4; + public static final int SIZEOF_FLOAT = 4; + + public static ByteBuffer newDirectByteBuffer(int size) { + ByteBuffer buf = ByteBuffer.allocateDirect(size); + return buf; + } + + /** Helper routine to tell whether a buffer is direct or not. Null + pointers are considered direct. isDirect() should really be + public in Buffer and not replicated in all subclasses. */ + public static boolean isDirect(Buffer buf) { + if (buf == null) { + return true; + } + if (buf instanceof ByteBuffer) { + return ((ByteBuffer) buf).isDirect(); + } else if (buf instanceof FloatBuffer) { + return ((FloatBuffer) buf).isDirect(); + } else if (buf instanceof ShortBuffer) { + return ((ShortBuffer) buf).isDirect(); + } else if (buf instanceof IntBuffer) { + return ((IntBuffer) buf).isDirect(); + } + throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName()); + } + + + /** Helper routine to get the Buffer byte offset by taking into + account the Buffer position and the underlying type. This is + the total offset for Direct Buffers. */ + + public static int getDirectBufferByteOffset(Buffer buf) { + if(buf == null) { + return 0; + } + if(buf instanceof ByteBuffer) { + return (buf.position()); + } else if (buf instanceof FloatBuffer) { + return (buf.position() * SIZEOF_FLOAT); + } else if (buf instanceof IntBuffer) { + return (buf.position() * SIZEOF_INT); + } else if (buf instanceof ShortBuffer) { + return (buf.position() * SIZEOF_SHORT); + } + + throw new RuntimeException("Disallowed array backing store type in buffer " + + buf.getClass().getName()); + } + + + /** Helper routine to return the array backing store reference from + a Buffer object. */ + + public static Object getArray(Buffer buf) { + if (buf == null) { + return null; + } + if(buf instanceof ByteBuffer) { + return ((ByteBuffer) buf).array(); + } else if (buf instanceof FloatBuffer) { + return ((FloatBuffer) buf).array(); + } else if (buf instanceof IntBuffer) { + return ((IntBuffer) buf).array(); + } else if (buf instanceof ShortBuffer) { + return ((ShortBuffer) buf).array(); + } + + throw new RuntimeException("Disallowed array backing store type in buffer " + + buf.getClass().getName()); + } + + + /** Helper routine to get the full byte offset from the beginning of + the array that is the storage for the indirect Buffer + object. The array offset also includes the position offset + within the buffer, in addition to any array offset. */ + + public static int getIndirectBufferByteOffset(Buffer buf) { + if(buf == null) { + return 0; + } + int pos = buf.position(); + if(buf instanceof ByteBuffer) { + return (((ByteBuffer)buf).arrayOffset() + pos); + } else if(buf instanceof FloatBuffer) { + return (SIZEOF_FLOAT*(((FloatBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof IntBuffer) { + return (SIZEOF_INT*(((IntBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof ShortBuffer) { + return (SIZEOF_SHORT*(((ShortBuffer)buf).arrayOffset() + pos)); + } + + throw new RuntimeException("Unknown buffer type " + buf.getClass().getName()); + } + + public static void rangeCheck(byte[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(char[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(short[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(int[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(float[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(Buffer buffer, int minElementsRemaining) { + if (buffer == null) { + return; + } + + if (buffer.remaining() < minElementsRemaining) { + throw new IndexOutOfBoundsException("Required " + minElementsRemaining + " remaining elements in buffer, only had " + buffer.remaining()); + } + } + + public static void rangeCheckBytes(Buffer buffer, int minBytesRemaining) { + if (buffer == null) { + return; + } + + int elementsRemaining = buffer.remaining(); + int bytesRemaining = 0; + if (buffer instanceof ByteBuffer) { + bytesRemaining = elementsRemaining; + } else if (buffer instanceof FloatBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_FLOAT; + } else if (buffer instanceof IntBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_INT; + } else if (buffer instanceof ShortBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_SHORT; + } + if (bytesRemaining < minBytesRemaining) { + throw new IndexOutOfBoundsException("Required " + minBytesRemaining + " remaining bytes in buffer, only had " + bytesRemaining); + } + } +} diff --git a/src/java/com/sun/gluegen/runtime/BufferFactory.java.javase b/src/java/com/sun/gluegen/runtime/BufferFactory.java.javase new file mode 100755 index 0000000..e7b7e52 --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/BufferFactory.java.javase @@ -0,0 +1,277 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.runtime; + +import java.nio.*; + +public class BufferFactory { + public static final int SIZEOF_BYTE = 1; + public static final int SIZEOF_SHORT = 2; + public static final int SIZEOF_CHAR = 2; + public static final int SIZEOF_INT = 4; + public static final int SIZEOF_FLOAT = 4; + public static final int SIZEOF_LONG = 8; + public static final int SIZEOF_DOUBLE = 8; + + public static ByteBuffer newDirectByteBuffer(int size) { + ByteBuffer buf = ByteBuffer.allocateDirect(size); + buf.order(ByteOrder.nativeOrder()); + return buf; + } + + /** Helper routine to tell whether a buffer is direct or not. Null + pointers are considered direct. isDirect() should really be + public in Buffer and not replicated in all subclasses. */ + public static boolean isDirect(Buffer buf) { + if (buf == null) { + return true; + } + if (buf instanceof ByteBuffer) { + return ((ByteBuffer) buf).isDirect(); + } else if (buf instanceof FloatBuffer) { + return ((FloatBuffer) buf).isDirect(); + } else if (buf instanceof DoubleBuffer) { + return ((DoubleBuffer) buf).isDirect(); + } else if (buf instanceof CharBuffer) { + return ((CharBuffer) buf).isDirect(); + } else if (buf instanceof ShortBuffer) { + return ((ShortBuffer) buf).isDirect(); + } else if (buf instanceof IntBuffer) { + return ((IntBuffer) buf).isDirect(); + } else if (buf instanceof LongBuffer) { + return ((LongBuffer) buf).isDirect(); + } + throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName()); + } + + + /** Helper routine to get the Buffer byte offset by taking into + account the Buffer position and the underlying type. This is + the total offset for Direct Buffers. */ + + public static int getDirectBufferByteOffset(Buffer buf) { + if(buf == null) { + return 0; + } + if(buf instanceof ByteBuffer) { + return (buf.position()); + } else if (buf instanceof FloatBuffer) { + return (buf.position() * SIZEOF_FLOAT); + } else if (buf instanceof IntBuffer) { + return (buf.position() * SIZEOF_INT); + } else if (buf instanceof ShortBuffer) { + return (buf.position() * SIZEOF_SHORT); + } else if (buf instanceof DoubleBuffer) { + return (buf.position() * SIZEOF_DOUBLE); + } else if (buf instanceof LongBuffer) { + return (buf.position() * SIZEOF_LONG); + } else if (buf instanceof CharBuffer) { + return (buf.position() * SIZEOF_CHAR); + } + + throw new RuntimeException("Disallowed array backing store type in buffer " + + buf.getClass().getName()); + } + + + /** Helper routine to return the array backing store reference from + a Buffer object. */ + + public static Object getArray(Buffer buf) { + if (buf == null) { + return null; + } + if(buf instanceof ByteBuffer) { + return ((ByteBuffer) buf).array(); + } else if (buf instanceof FloatBuffer) { + return ((FloatBuffer) buf).array(); + } else if (buf instanceof IntBuffer) { + return ((IntBuffer) buf).array(); + } else if (buf instanceof ShortBuffer) { + return ((ShortBuffer) buf).array(); + } else if (buf instanceof DoubleBuffer) { + return ((DoubleBuffer) buf).array(); + } else if (buf instanceof LongBuffer) { + return ((LongBuffer) buf).array(); + } else if (buf instanceof CharBuffer) { + return ((CharBuffer) buf).array(); + } + + throw new RuntimeException("Disallowed array backing store type in buffer " + + buf.getClass().getName()); + } + + + /** Helper routine to get the full byte offset from the beginning of + the array that is the storage for the indirect Buffer + object. The array offset also includes the position offset + within the buffer, in addition to any array offset. */ + + public static int getIndirectBufferByteOffset(Buffer buf) { + if(buf == null) { + return 0; + } + int pos = buf.position(); + if(buf instanceof ByteBuffer) { + return (((ByteBuffer)buf).arrayOffset() + pos); + } else if(buf instanceof FloatBuffer) { + return (SIZEOF_FLOAT*(((FloatBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof IntBuffer) { + return (SIZEOF_INT*(((IntBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof ShortBuffer) { + return (SIZEOF_SHORT*(((ShortBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof DoubleBuffer) { + return (SIZEOF_DOUBLE*(((DoubleBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof LongBuffer) { + return (SIZEOF_LONG*(((LongBuffer)buf).arrayOffset() + pos)); + } else if(buf instanceof CharBuffer) { + return (SIZEOF_CHAR*(((CharBuffer)buf).arrayOffset() + pos)); + } + + throw new RuntimeException("Unknown buffer type " + buf.getClass().getName()); + } + + public static void rangeCheck(byte[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(char[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(short[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(int[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(long[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(float[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(double[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } + + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } + } + + public static void rangeCheck(Buffer buffer, int minElementsRemaining) { + if (buffer == null) { + return; + } + + if (buffer.remaining() < minElementsRemaining) { + throw new IndexOutOfBoundsException("Required " + minElementsRemaining + " remaining elements in buffer, only had " + buffer.remaining()); + } + } + + public static void rangeCheckBytes(Buffer buffer, int minBytesRemaining) { + if (buffer == null) { + return; + } + + int elementsRemaining = buffer.remaining(); + int bytesRemaining = 0; + if (buffer instanceof ByteBuffer) { + bytesRemaining = elementsRemaining; + } else if (buffer instanceof FloatBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_FLOAT; + } else if (buffer instanceof IntBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_INT; + } else if (buffer instanceof ShortBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_SHORT; + } else if (buffer instanceof DoubleBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_DOUBLE; + } else if (buffer instanceof LongBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_LONG; + } else if (buffer instanceof CharBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_CHAR; + } + if (bytesRemaining < minBytesRemaining) { + throw new IndexOutOfBoundsException("Required " + minBytesRemaining + " remaining bytes in buffer, only had " + bytesRemaining); + } + } +} diff --git a/src/java/com/sun/gluegen/runtime/StructAccessor.java b/src/java/com/sun/gluegen/runtime/StructAccessor.java deleted file mode 100644 index 5a0fa5d..0000000 --- a/src/java/com/sun/gluegen/runtime/StructAccessor.java +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package com.sun.gluegen.runtime; - -import java.nio.*; - -public class StructAccessor { - private ByteBuffer bb; - private CharBuffer cb; - private DoubleBuffer db; - private FloatBuffer fb; - private IntBuffer ib; - private LongBuffer lb; - private ShortBuffer sb; - - public StructAccessor(ByteBuffer bb) { - // Setting of byte order is concession to native code which needs - // to instantiate these - this.bb = bb.order(ByteOrder.nativeOrder()); - } - - public ByteBuffer getBuffer() { - return bb; - } - - /** Return a slice of the current ByteBuffer starting at the - specified byte offset and extending the specified number of - bytes. Note that this method is not thread-safe with respect to - the other methods in this class. */ - public ByteBuffer slice(int byteOffset, int byteLength) { - bb.position(byteOffset); - bb.limit(byteOffset + byteLength); - ByteBuffer newBuf = bb.slice(); - bb.position(0); - bb.limit(bb.capacity()); - return newBuf; - } - - /** Retrieves the byte at the specified slot (byte offset). */ - public byte getByteAt(int slot) { - return bb.get(slot); - } - - /** Puts a byte at the specified slot (byte offset). */ - public void setByteAt(int slot, byte v) { - bb.put(slot, v); - } - - /** Retrieves the char at the specified slot (2-byte offset). */ - public char getCharAt(int slot) { - return charBuffer().get(slot); - } - - /** Puts a char at the specified slot (2-byte offset). */ - public void setCharAt(int slot, char v) { - charBuffer().put(slot, v); - } - - /** Retrieves the double at the specified slot (8-byte offset). */ - public double getDoubleAt(int slot) { - return doubleBuffer().get(slot); - } - - /** Puts a double at the specified slot (8-byte offset). */ - public void setDoubleAt(int slot, double v) { - doubleBuffer().put(slot, v); - } - - /** Retrieves the float at the specified slot (4-byte offset). */ - public float getFloatAt(int slot) { - return floatBuffer().get(slot); - } - - /** Puts a float at the specified slot (4-byte offset). */ - public void setFloatAt(int slot, float v) { - floatBuffer().put(slot, v); - } - - /** Retrieves the int at the specified slot (4-byte offset). */ - public int getIntAt(int slot) { - return intBuffer().get(slot); - } - - /** Puts a int at the specified slot (4-byte offset). */ - public void setIntAt(int slot, int v) { - intBuffer().put(slot, v); - } - - /** Retrieves the long at the specified slot (8-byte offset). */ - public long getLongAt(int slot) { - return longBuffer().get(slot); - } - - /** Puts a long at the specified slot (8-byte offset). */ - public void setLongAt(int slot, long v) { - longBuffer().put(slot, v); - } - - /** Retrieves the short at the specified slot (2-byte offset). */ - public short getShortAt(int slot) { - return shortBuffer().get(slot); - } - - /** Puts a short at the specified slot (2-byte offset). */ - public void setShortAt(int slot, short v) { - shortBuffer().put(slot, v); - } - - //---------------------------------------------------------------------- - // Internals only below this point - // - - private CharBuffer charBuffer() { - if (cb == null) { - cb = bb.asCharBuffer(); - } - return cb; - } - - private DoubleBuffer doubleBuffer() { - if (db == null) { - db = bb.asDoubleBuffer(); - } - return db; - } - - private FloatBuffer floatBuffer() { - if (fb == null) { - fb = bb.asFloatBuffer(); - } - return fb; - } - - private IntBuffer intBuffer() { - if (ib == null) { - ib = bb.asIntBuffer(); - } - return ib; - } - - private LongBuffer longBuffer() { - if (lb == null) { - lb = bb.asLongBuffer(); - } - return lb; - } - - private ShortBuffer shortBuffer() { - if (sb == null) { - sb = bb.asShortBuffer(); - } - return sb; - } -} diff --git a/src/java/com/sun/gluegen/runtime/StructAccessor.java.javame_cdc_fp b/src/java/com/sun/gluegen/runtime/StructAccessor.java.javame_cdc_fp new file mode 100755 index 0000000..3e3f372 --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/StructAccessor.java.javame_cdc_fp @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.runtime; + +import java.nio.*; + +public class StructAccessor { + private ByteBuffer bb; + private FloatBuffer fb; + private IntBuffer ib; + private ShortBuffer sb; + + public StructAccessor(ByteBuffer bb) { + this.bb = bb; + } + + public ByteBuffer getBuffer() { + return bb; + } + + /** Return a slice of the current ByteBuffer starting at the + specified byte offset and extending the specified number of + bytes. Note that this method is not thread-safe with respect to + the other methods in this class. */ + public ByteBuffer slice(int byteOffset, int byteLength) { + bb.position(byteOffset); + bb.limit(byteOffset + byteLength); + ByteBuffer newBuf = bb.slice(); + bb.position(0); + bb.limit(bb.capacity()); + return newBuf; + } + + /** Retrieves the byte at the specified slot (byte offset). */ + public byte getByteAt(int slot) { + return bb.get(slot); + } + + /** Puts a byte at the specified slot (byte offset). */ + public void setByteAt(int slot, byte v) { + bb.put(slot, v); + } + + /** Retrieves the float at the specified slot (4-byte offset). */ + public float getFloatAt(int slot) { + return floatBuffer().get(slot); + } + + /** Puts a float at the specified slot (4-byte offset). */ + public void setFloatAt(int slot, float v) { + floatBuffer().put(slot, v); + } + + /** Retrieves the int at the specified slot (4-byte offset). */ + public int getIntAt(int slot) { + return intBuffer().get(slot); + } + + /** Puts a int at the specified slot (4-byte offset). */ + public void setIntAt(int slot, int v) { + intBuffer().put(slot, v); + } + + /** Retrieves the short at the specified slot (2-byte offset). */ + public short getShortAt(int slot) { + return shortBuffer().get(slot); + } + + /** Puts a short at the specified slot (2-byte offset). */ + public void setShortAt(int slot, short v) { + shortBuffer().put(slot, v); + } + + //---------------------------------------------------------------------- + // Internals only below this point + // + + private FloatBuffer floatBuffer() { + if (fb == null) { + fb = bb.asFloatBuffer(); + } + return fb; + } + + private IntBuffer intBuffer() { + if (ib == null) { + ib = bb.asIntBuffer(); + } + return ib; + } + + private ShortBuffer shortBuffer() { + if (sb == null) { + sb = bb.asShortBuffer(); + } + return sb; + } +} diff --git a/src/java/com/sun/gluegen/runtime/StructAccessor.java.javase b/src/java/com/sun/gluegen/runtime/StructAccessor.java.javase new file mode 100755 index 0000000..5a0fa5d --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/StructAccessor.java.javase @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.runtime; + +import java.nio.*; + +public class StructAccessor { + private ByteBuffer bb; + private CharBuffer cb; + private DoubleBuffer db; + private FloatBuffer fb; + private IntBuffer ib; + private LongBuffer lb; + private ShortBuffer sb; + + public StructAccessor(ByteBuffer bb) { + // Setting of byte order is concession to native code which needs + // to instantiate these + this.bb = bb.order(ByteOrder.nativeOrder()); + } + + public ByteBuffer getBuffer() { + return bb; + } + + /** Return a slice of the current ByteBuffer starting at the + specified byte offset and extending the specified number of + bytes. Note that this method is not thread-safe with respect to + the other methods in this class. */ + public ByteBuffer slice(int byteOffset, int byteLength) { + bb.position(byteOffset); + bb.limit(byteOffset + byteLength); + ByteBuffer newBuf = bb.slice(); + bb.position(0); + bb.limit(bb.capacity()); + return newBuf; + } + + /** Retrieves the byte at the specified slot (byte offset). */ + public byte getByteAt(int slot) { + return bb.get(slot); + } + + /** Puts a byte at the specified slot (byte offset). */ + public void setByteAt(int slot, byte v) { + bb.put(slot, v); + } + + /** Retrieves the char at the specified slot (2-byte offset). */ + public char getCharAt(int slot) { + return charBuffer().get(slot); + } + + /** Puts a char at the specified slot (2-byte offset). */ + public void setCharAt(int slot, char v) { + charBuffer().put(slot, v); + } + + /** Retrieves the double at the specified slot (8-byte offset). */ + public double getDoubleAt(int slot) { + return doubleBuffer().get(slot); + } + + /** Puts a double at the specified slot (8-byte offset). */ + public void setDoubleAt(int slot, double v) { + doubleBuffer().put(slot, v); + } + + /** Retrieves the float at the specified slot (4-byte offset). */ + public float getFloatAt(int slot) { + return floatBuffer().get(slot); + } + + /** Puts a float at the specified slot (4-byte offset). */ + public void setFloatAt(int slot, float v) { + floatBuffer().put(slot, v); + } + + /** Retrieves the int at the specified slot (4-byte offset). */ + public int getIntAt(int slot) { + return intBuffer().get(slot); + } + + /** Puts a int at the specified slot (4-byte offset). */ + public void setIntAt(int slot, int v) { + intBuffer().put(slot, v); + } + + /** Retrieves the long at the specified slot (8-byte offset). */ + public long getLongAt(int slot) { + return longBuffer().get(slot); + } + + /** Puts a long at the specified slot (8-byte offset). */ + public void setLongAt(int slot, long v) { + longBuffer().put(slot, v); + } + + /** Retrieves the short at the specified slot (2-byte offset). */ + public short getShortAt(int slot) { + return shortBuffer().get(slot); + } + + /** Puts a short at the specified slot (2-byte offset). */ + public void setShortAt(int slot, short v) { + shortBuffer().put(slot, v); + } + + //---------------------------------------------------------------------- + // Internals only below this point + // + + private CharBuffer charBuffer() { + if (cb == null) { + cb = bb.asCharBuffer(); + } + return cb; + } + + private DoubleBuffer doubleBuffer() { + if (db == null) { + db = bb.asDoubleBuffer(); + } + return db; + } + + private FloatBuffer floatBuffer() { + if (fb == null) { + fb = bb.asFloatBuffer(); + } + return fb; + } + + private IntBuffer intBuffer() { + if (ib == null) { + ib = bb.asIntBuffer(); + } + return ib; + } + + private LongBuffer longBuffer() { + if (lb == null) { + lb = bb.asLongBuffer(); + } + return lb; + } + + private ShortBuffer shortBuffer() { + if (sb == null) { + sb = bb.asShortBuffer(); + } + return sb; + } +} -- cgit v1.2.3