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Diffstat (limited to 'libbuild/WebCat-swf/src/pt/tumba/parser/swf/InStream.java')
-rw-r--r--libbuild/WebCat-swf/src/pt/tumba/parser/swf/InStream.java474
1 files changed, 0 insertions, 474 deletions
diff --git a/libbuild/WebCat-swf/src/pt/tumba/parser/swf/InStream.java b/libbuild/WebCat-swf/src/pt/tumba/parser/swf/InStream.java
deleted file mode 100644
index 1bfaa2fc2..000000000
--- a/libbuild/WebCat-swf/src/pt/tumba/parser/swf/InStream.java
+++ /dev/null
@@ -1,474 +0,0 @@
-package pt.tumba.parser.swf;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.zip.InflaterInputStream;
-
-/**
- * Input Stream Wrapper
- *
- *@author unknown
- *@created 15 de Setembro de 2002
- */
-public class InStream {
-
- protected InputStream in;
- protected long bytesRead = 0L;
- //--Bit buffer..
- protected int bitBuf;
- protected int bitPos;
-
- /**
- * Constructor for the InStream object
- *
- *@param in Description of the Parameter
- */
- public InStream(InputStream in) {
- this.in = in;
- bitBuf = 0;
- bitPos = 0;
- }
-
- /**
- * Constructor for the InStream object
- *
- *@param bytes Description of the Parameter
- */
- public InStream(byte[] bytes) {
- this(new ByteArrayInputStream(bytes));
- }
-
- /**
- * Read a string from the input stream
- *
- * @return Description of the Return Value
- * @exception IOException Description of the Exception
- */
- public byte[] readStringBytes() throws IOException {
- synchBits();
-
- List<Byte> chars = new ArrayList();
- byte[] aChar = new byte[1];
- int num = 0;
-
- while ((num = in.read(aChar)) == 1) {
- bytesRead++;
- if (aChar[0] == 0) { //end of string
- byte[] string = new byte[chars.size()];
- int i = 0;
- for (Object b : chars) {
- string[i++] = ((Byte) b).byteValue();
- }
- return string;
- }
- chars.add(new Byte(aChar[0]));
- }
-
- throw new IOException("Unterminated string - reached end of input before null char");
- }
-
- /**
- * Read a null terminated string using the default character encoding
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public String readString() throws IOException {
- return new String(readStringBytes());
- }
-
- /**
- * Read all remaining bytes from the stream
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public byte[] read() throws IOException {
- ByteArrayOutputStream bout = new ByteArrayOutputStream();
-
- int b = 0;
- while ((b = in.read()) >= 0) {
- bout.write(b);
- }
-
- return bout.toByteArray();
- }
-
- /**
- * Read bytes from the input stream
- *
- *@param length Description of the Parameter
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public byte[] read(int length) throws IOException {
- byte[] data = new byte[length];
-
- if (length > 0) {
- int read = 0;
-
- while (read < length) {
- int count = in.read(data, read, length - read);
- if (count < 0) {
- bytesRead += read;
- throw new IOException("Unexpected end of input while reading a specified number of bytes");
- }
-
- read += count;
- }
-
- bytesRead += read;
- }
-
- return data;
- }
-
- /**
- * Reset the bit buffer
- */
- public void synchBits() {
- bitBuf = 0;
- bitPos = 0;
- }
-
- /**
- * Gets the bytesRead attribute of the InStream object
- *
- *@return The bytesRead value
- */
- public long getBytesRead() {
- return bytesRead;
- }
-
- /**
- * Sets the bytesRead attribute of the InStream object
- *
- *@param read The new bytesRead value
- */
- public void setBytesRead(long read) {
- bytesRead = read;
- }
-
- /**
- * Skip a number of bytes from the input stream
- *
- *@param length Description of the Parameter
- *@exception IOException Description of the Exception
- */
- public void skipBytes(long length) throws IOException {
- long skipped = 0;
-
- while (skipped < length) {
- int val = in.read();
-
- if (val < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- skipped++;
- }
-
- bytesRead += length;
- }
-
- /**
- * Read an unsigned value from the given number of bits
- *
- *@param numBits Description of the Parameter
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public long readUBits(int numBits) throws IOException {
- if (numBits == 0) {
- return 0;
- }
-
- int bitsLeft = numBits;
- long result = 0;
-
- if (bitPos == 0) {
- //no value in the buffer - read a byte
-
- bitBuf = in.read();
- bitPos = 8;
-
- bytesRead++;
- }
-
- while (true) {
- int shift = bitsLeft - bitPos;
- if (shift > 0) {
- // Consume the entire buffer
- result |= bitBuf << shift;
- bitsLeft -= bitPos;
-
- // Get the next byte from the input stream
- bitBuf = in.read();
- bitPos = 8;
-
- bytesRead++;
- } else {
- // Consume a portion of the buffer
- result |= bitBuf >> -shift;
- bitPos -= bitsLeft;
- bitBuf &= 0xff >> (8 - bitPos);
- // mask off the consumed bits
-
- return result;
- }
- }
- }
-
- /**
- * Read an unsigned 8 bit value
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public int readUI8() throws IOException {
- synchBits();
-
- int ui8 = in.read();
- if (ui8 < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- bytesRead++;
-
- return ui8;
- }
-
- /**
- * Read an unsigned 16 bit value
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public int readUI16() throws IOException {
- synchBits();
-
- int ui16 = in.read();
- if (ui16 < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- int val = in.read();
- if (val < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- ui16 += val << 8;
-
- bytesRead += 2;
-
- return ui16;
- }
-
- /**
- * Read a signed 16 bit value
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public short readSI16() throws IOException {
- synchBits();
-
- int lowerByte = in.read();
- if (lowerByte < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- byte[] aByte = new byte[1];
- int count = in.read(aByte);
- if (count < 1) {
- throw new IOException("Unexpected end of input");
- }
-
- bytesRead += 2;
-
- return (short) ((aByte[0] * 256) + lowerByte);
- }
-
- /**
- * Read an unsigned 32 bit value
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public long readUI32() throws IOException {
- synchBits();
-
- long ui32 = in.read();
- if (ui32 < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- long val = in.read();
- if (val < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- ui32 += val << 8;
-
- val = in.read();
- if (val < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- ui32 += val << 16;
-
- val = in.read();
- if (val < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- ui32 += val << 24;
-
- bytesRead += 4;
-
- return ui32;
- }
-
- /**
- * Read a signed value from the given number of bits
- *
- *@param numBits Description of the Parameter
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public int readSBits(int numBits) throws IOException {
- // Get the number as an unsigned value.
- long uBits = readUBits(numBits);
-
- // Is the number negative?
- if ((uBits & (1L << (numBits - 1))) != 0) {
- // Yes. Extend the sign.
- uBits |= -1L << numBits;
- }
-
- return (int) uBits;
- }
-
- /**
- * Read a 32 bit signed number
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public int readSI32() throws IOException {
- synchBits();
-
- int b0 = in.read();
- if (b0 < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- int b1 = in.read();
- if (b1 < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- int b2 = in.read();
- if (b2 < 0) {
- throw new IOException("Unexpected end of input");
- }
-
- byte[] aByte = new byte[1];
- int count = in.read(aByte);
- if (count < 1) {
- throw new IOException("Unexpected end of input");
- }
-
- bytesRead += 4;
-
- return (int)
- ((aByte[0] * 256 * 256 * 256) + (b2 * 256 * 256) + (b1 * 256) + b0);
- }
-
- /**
- * Read a 32 bit floating point number
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public float readFloat() throws IOException {
- return Float.intBitsToFloat(readSI32());
- }
-
- /**
- * Read a 64 bit floating point number
- *
- *@return Description of the Return Value
- *@exception IOException Description of the Exception
- */
- public double readDouble() throws IOException {
- byte[] bytes = read(8);
-
- byte[] bytes2 = new byte[8];
-
- bytes2[0] = bytes[3];
- bytes2[1] = bytes[2];
- bytes2[2] = bytes[1];
- bytes2[3] = bytes[0];
- bytes2[4] = bytes[7];
- bytes2[5] = bytes[6];
- bytes2[6] = bytes[5];
- bytes2[7] = bytes[4];
-
- ByteArrayInputStream bin = new ByteArrayInputStream(bytes2);
-
- return new DataInputStream(bin).readDouble();
- }
-
- /**
- * Start reading compressed data - all further input is assumed to come from
- * a zip compressed stream.
- */
- public void readCompressed() {
- in = new InflaterInputStream(in);
- }
-
- /**
- * Util to convert an unsigned byte to an unsigned int
- *
- *@param b Description of the Parameter
- *@return Description of the Return Value
- */
- public static int ubyteToInt(byte b2) {
- boolean highbit = b2 < 0;
- byte b = (byte)(b2 & 0x7f);
-
- int i = (int) b;
-
- if (highbit) {
- i += 128;
- }
-
- return i;
- }
-
- /**
- * Util to convert 2 bytes to a signed value
- *
- *@param lo Description of the Parameter
- *@param hi Description of the Parameter
- *@return Description of the Return Value
- */
- public static int bytesToSigned(byte lo, byte hi) {
- int low = ubyteToInt(lo);
- int high = ubyteToInt(hi);
-
- int value = (high << 8) + low;
-
- if (value > 0x7fff) {
- value -= 65536;
- }
-
- return value;
- }
-}
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