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Posted to commits@tika.apache.org by ol...@apache.org on 2011/06/08 23:00:28 UTC
svn commit: r1133554 [5/5] - in
/tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm: ./
accessor/ assertion/ core/ exception/ lzx/
Modified: tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmLzxState.java
URL: http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmLzxState.java?rev=1133554&r1=1133553&r2=1133554&view=diff
==============================================================================
--- tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmLzxState.java (original)
+++ tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmLzxState.java Wed Jun 8 21:00:27 2011
@@ -25,286 +25,286 @@ import org.apache.tika.parser.chm.core.C
import org.apache.tika.parser.chm.exception.ChmParsingException;
public class ChmLzxState {
- /* Class' members */
- private int window; /* the actual decoding window */
- private long window_size; /* window size (32Kb through 2Mb) */
- private int window_position; /* current offset within the window */
- private int main_tree_elements; /* number of main tree elements */
- private LzxState hadStarted; /* have we started decoding at all yet? */
- private int block_type; /* type of this block */
- private int block_length; /* uncompressed length of this block */
- private int block_remaining; /* uncompressed bytes still left to decode */
- private int frames_read; /* the number of CFDATA blocks processed */
- private int intel_file_size; /* magic header value used for transform */
- private long intel_current_possition; /* current offset in transform space */
- private IntelState intel_state; /* have we seen any translatable data yet? */
- private long R0; /* for the LRU offset system */
- private long R1; /* for the LRU offset system */
- private long R2; /* for the LRU offset system */
-
- // Trees - PRETREE, MAINTREE, LENGTH, ALIGNED
- protected short[] mainTreeLengtsTable;
- protected short[] mainTreeTable;
-
- protected short[] lengthTreeTable;
- protected short[] lengthTreeLengtsTable;
-
- protected short[] alignedLenTable;
- protected short[] alignedTreeTable;
-
- protected short[] getMainTreeTable() {
- return mainTreeTable;
- }
-
- protected short[] getAlignedTreeTable() {
- return alignedTreeTable;
- }
-
- protected void setAlignedTreeTable(short[] alignedTreeTable) {
- this.alignedTreeTable = alignedTreeTable;
- }
-
- protected short[] getLengthTreeTable() {
- if (lengthTreeTable != null)
- return this.lengthTreeTable;
- else
- throw new ChmParsingException("lengthTreeTable is null");
- }
-
- protected void setLengthTreeTable(short[] lengthTreeTable) {
- this.lengthTreeTable = lengthTreeTable;
- }
-
- protected void setMainTreeTable(short[] mainTreeTable) {
- this.mainTreeTable = mainTreeTable;
- }
-
- protected short[] getAlignedLenTable() {
- return this.alignedLenTable;
- }
-
- protected void setAlignedLenTable(short[] alignedLenTable) {
- this.alignedLenTable = alignedLenTable;
- }
-
- /**
- * It suits for informative outlook
- */
- public String toString() {
- StringBuilder sb = new StringBuilder();
- sb.append("actual decoding window:=" + getWindow()
- + System.getProperty("line.separator"));
- sb.append("window size (32Kb through 2Mb):=" + getWindowSize()
- + System.getProperty("line.separator"));
- sb.append("current offset within the window:=" + getWindowPosition()
- + System.getProperty("line.separator"));
- sb.append("number of main tree elements:=" + getMainTreeElements()
- + System.getProperty("line.separator"));
- sb.append("have we started decoding at all yet?:=" + getHadStarted()
- + System.getProperty("line.separator"));
- sb.append("type of this block:=" + getBlockType()
- + System.getProperty("line.separator"));
- sb.append("uncompressed length of this block:=" + getBlockLength()
- + System.getProperty("line.separator"));
- sb.append("uncompressed bytes still left to decode:="
- + getBlockRemaining() + System.getProperty("line.separator"));
- sb.append("the number of CFDATA blocks processed:=" + getFramesRead()
- + System.getProperty("line.separator"));
- sb.append("magic header value used for transform:="
- + getIntelFileSize() + System.getProperty("line.separator"));
- sb.append("current offset in transform space:="
- + getIntelCurrentPossition()
- + System.getProperty("line.separator"));
- sb.append("have we seen any translatable data yet?:=" + getIntelState()
- + System.getProperty("line.separator"));
- sb.append("R0 for the LRU offset system:=" + getR0()
- + System.getProperty("line.separator"));
- sb.append("R1 for the LRU offset system:=" + getR1()
- + System.getProperty("line.separator"));
- sb.append("R2 for the LRU offset system:=" + getR2()
- + System.getProperty("line.separator"));
- sb.append("main tree length:=" + getMainTreeLengtsTable().length
- + System.getProperty("line.separator"));
- sb.append("secondary tree length:=" + getLengthTreeLengtsTable().length
- + System.getProperty("line.separator"));
- return sb.toString();
- }
-
- public ChmLzxState(int window) {
- if (window >= 0) {
- int position_slots;
- int win = ChmCommons.getWindowSize(window);
- setWindowSize(1 << win);
- /* LZX supports window sizes of 2^15 (32Kb) through 2^21 (2Mb) */
- if (win < 15 || win > 21)
- System.err
- .println("window less than 15 or window greater than 21");
- /* Calculates required position slots */
- if (win == 20)
- position_slots = 42;
- else if (win == 21)
- position_slots = 50;
- else
- position_slots = win << 1;
-
- setR0(1);
- setR1(1);
- setR2(1);
- setMainTreeElements(512);
- setHadStarted(LzxState.NOT_STARTED_DECODING);
- setFramesRead(0);
- setBlockRemaining(0);
- setBlockType(ChmConstants.LZX_BLOCKTYPE_INVALID);
- setIntelCurrentPossition(0);
- setIntelState(IntelState.NOT_STARTED);
- setWindowPosition(0);
- setMainTreeLengtsTable(new short[getMainTreeElements()]);
- setLengthTreeLengtsTable(new short[ChmConstants.LZX_NUM_SECONDARY_LENGTHS]);
- } else
- throw new CancellationException(
- "window size should be more than zero");
- }
-
- protected void setWindow(int window) {
- this.window = window;
- }
-
- protected int getWindow() {
- return window;
- }
-
- protected void setWindowSize(long window_size) {
- this.window_size = window_size;
- }
-
- protected long getWindowSize() {
- return window_size;
- }
-
- protected void setWindowPosition(int window_position) {
- this.window_position = window_position;
- }
-
- protected int getWindowPosition() {
- return window_position;
- }
-
- protected void setMainTreeElements(int main_tree_elements) {
- this.main_tree_elements = main_tree_elements;
- }
-
- protected int getMainTreeElements() {
- return main_tree_elements;
- }
-
- protected void setHadStarted(LzxState hadStarted) {
- this.hadStarted = hadStarted;
- }
-
- protected LzxState getHadStarted() {
- return hadStarted;
- }
-
- protected void setBlockType(int block_type) {
- this.block_type = block_type;
- }
-
- public int getBlockType() {
- return block_type;
- }
-
- protected void setBlockLength(int block_length) {
- this.block_length = block_length;
- }
-
- protected int getBlockLength() {
- return block_length;
- }
-
- protected void setBlockRemaining(int block_remaining) {
- this.block_remaining = block_remaining;
- }
-
- protected int getBlockRemaining() {
- return block_remaining;
- }
-
- protected void setFramesRead(int frames_read) {
- this.frames_read = frames_read;
- }
-
- protected void increaseFramesRead() {
- this.frames_read = getFramesRead() + 1;
- }
-
- protected int getFramesRead() {
- return frames_read;
- }
-
- protected void setIntelFileSize(int intel_file_size) {
- this.intel_file_size = intel_file_size;
- }
-
- protected int getIntelFileSize() {
- return intel_file_size;
- }
-
- protected void setIntelCurrentPossition(long intel_current_possition) {
- this.intel_current_possition = intel_current_possition;
- }
-
- protected long getIntelCurrentPossition() {
- return intel_current_possition;
- }
-
- protected void setIntelState(IntelState intel_state) {
- this.intel_state = intel_state;
- }
-
- protected IntelState getIntelState() {
- return intel_state;
- }
-
- protected void setR0(long r0) {
- R0 = r0;
- }
-
- protected long getR0() {
- return R0;
- }
-
- protected void setR1(long r1) {
- R1 = r1;
- }
-
- protected long getR1() {
- return R1;
- }
-
- protected void setR2(long r2) {
- R2 = r2;
- }
-
- protected long getR2() {
- return R2;
- }
-
- public static void main(String[] args) {
- }
-
- public void setMainTreeLengtsTable(short[] mainTreeLengtsTable) {
- this.mainTreeLengtsTable = mainTreeLengtsTable;
- }
-
- public short[] getMainTreeLengtsTable() {
- return mainTreeLengtsTable;
- }
-
- public void setLengthTreeLengtsTable(short[] lengthTreeLengtsTable) {
- this.lengthTreeLengtsTable = lengthTreeLengtsTable;
- }
-
- public short[] getLengthTreeLengtsTable() {
- return lengthTreeLengtsTable;
- }
+ /* Class' members */
+ private int window; /* the actual decoding window */
+ private long window_size; /* window size (32Kb through 2Mb) */
+ private int window_position; /* current offset within the window */
+ private int main_tree_elements; /* number of main tree elements */
+ private LzxState hadStarted; /* have we started decoding at all yet? */
+ private int block_type; /* type of this block */
+ private int block_length; /* uncompressed length of this block */
+ private int block_remaining; /* uncompressed bytes still left to decode */
+ private int frames_read; /* the number of CFDATA blocks processed */
+ private int intel_file_size; /* magic header value used for transform */
+ private long intel_current_possition; /* current offset in transform space */
+ private IntelState intel_state; /* have we seen any translatable data yet? */
+ private long R0; /* for the LRU offset system */
+ private long R1; /* for the LRU offset system */
+ private long R2; /* for the LRU offset system */
+
+ // Trees - PRETREE, MAINTREE, LENGTH, ALIGNED
+ protected short[] mainTreeLengtsTable;
+ protected short[] mainTreeTable;
+
+ protected short[] lengthTreeTable;
+ protected short[] lengthTreeLengtsTable;
+
+ protected short[] alignedLenTable;
+ protected short[] alignedTreeTable;
+
+ protected short[] getMainTreeTable() {
+ return mainTreeTable;
+ }
+
+ protected short[] getAlignedTreeTable() {
+ return alignedTreeTable;
+ }
+
+ protected void setAlignedTreeTable(short[] alignedTreeTable) {
+ this.alignedTreeTable = alignedTreeTable;
+ }
+
+ protected short[] getLengthTreeTable() {
+ if (lengthTreeTable != null)
+ return this.lengthTreeTable;
+ else
+ throw new ChmParsingException("lengthTreeTable is null");
+ }
+
+ protected void setLengthTreeTable(short[] lengthTreeTable) {
+ this.lengthTreeTable = lengthTreeTable;
+ }
+
+ protected void setMainTreeTable(short[] mainTreeTable) {
+ this.mainTreeTable = mainTreeTable;
+ }
+
+ protected short[] getAlignedLenTable() {
+ return this.alignedLenTable;
+ }
+
+ protected void setAlignedLenTable(short[] alignedLenTable) {
+ this.alignedLenTable = alignedLenTable;
+ }
+
+ /**
+ * It suits for informative outlook
+ */
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ sb.append("actual decoding window:=" + getWindow()
+ + System.getProperty("line.separator"));
+ sb.append("window size (32Kb through 2Mb):=" + getWindowSize()
+ + System.getProperty("line.separator"));
+ sb.append("current offset within the window:=" + getWindowPosition()
+ + System.getProperty("line.separator"));
+ sb.append("number of main tree elements:=" + getMainTreeElements()
+ + System.getProperty("line.separator"));
+ sb.append("have we started decoding at all yet?:=" + getHadStarted()
+ + System.getProperty("line.separator"));
+ sb.append("type of this block:=" + getBlockType()
+ + System.getProperty("line.separator"));
+ sb.append("uncompressed length of this block:=" + getBlockLength()
+ + System.getProperty("line.separator"));
+ sb.append("uncompressed bytes still left to decode:="
+ + getBlockRemaining() + System.getProperty("line.separator"));
+ sb.append("the number of CFDATA blocks processed:=" + getFramesRead()
+ + System.getProperty("line.separator"));
+ sb.append("magic header value used for transform:="
+ + getIntelFileSize() + System.getProperty("line.separator"));
+ sb.append("current offset in transform space:="
+ + getIntelCurrentPossition()
+ + System.getProperty("line.separator"));
+ sb.append("have we seen any translatable data yet?:=" + getIntelState()
+ + System.getProperty("line.separator"));
+ sb.append("R0 for the LRU offset system:=" + getR0()
+ + System.getProperty("line.separator"));
+ sb.append("R1 for the LRU offset system:=" + getR1()
+ + System.getProperty("line.separator"));
+ sb.append("R2 for the LRU offset system:=" + getR2()
+ + System.getProperty("line.separator"));
+ sb.append("main tree length:=" + getMainTreeLengtsTable().length
+ + System.getProperty("line.separator"));
+ sb.append("secondary tree length:=" + getLengthTreeLengtsTable().length
+ + System.getProperty("line.separator"));
+ return sb.toString();
+ }
+
+ public ChmLzxState(int window) {
+ if (window >= 0) {
+ int position_slots;
+ int win = ChmCommons.getWindowSize(window);
+ setWindowSize(1 << win);
+ /* LZX supports window sizes of 2^15 (32Kb) through 2^21 (2Mb) */
+ if (win < 15 || win > 21)
+ System.err
+ .println("window less than 15 or window greater than 21");
+ /* Calculates required position slots */
+ if (win == 20)
+ position_slots = 42;
+ else if (win == 21)
+ position_slots = 50;
+ else
+ position_slots = win << 1;
+
+ setR0(1);
+ setR1(1);
+ setR2(1);
+ setMainTreeElements(512);
+ setHadStarted(LzxState.NOT_STARTED_DECODING);
+ setFramesRead(0);
+ setBlockRemaining(0);
+ setBlockType(ChmConstants.LZX_BLOCKTYPE_INVALID);
+ setIntelCurrentPossition(0);
+ setIntelState(IntelState.NOT_STARTED);
+ setWindowPosition(0);
+ setMainTreeLengtsTable(new short[getMainTreeElements()]);
+ setLengthTreeLengtsTable(new short[ChmConstants.LZX_NUM_SECONDARY_LENGTHS]);
+ } else
+ throw new CancellationException(
+ "window size should be more than zero");
+ }
+
+ protected void setWindow(int window) {
+ this.window = window;
+ }
+
+ protected int getWindow() {
+ return window;
+ }
+
+ protected void setWindowSize(long window_size) {
+ this.window_size = window_size;
+ }
+
+ protected long getWindowSize() {
+ return window_size;
+ }
+
+ protected void setWindowPosition(int window_position) {
+ this.window_position = window_position;
+ }
+
+ protected int getWindowPosition() {
+ return window_position;
+ }
+
+ protected void setMainTreeElements(int main_tree_elements) {
+ this.main_tree_elements = main_tree_elements;
+ }
+
+ protected int getMainTreeElements() {
+ return main_tree_elements;
+ }
+
+ protected void setHadStarted(LzxState hadStarted) {
+ this.hadStarted = hadStarted;
+ }
+
+ protected LzxState getHadStarted() {
+ return hadStarted;
+ }
+
+ protected void setBlockType(int block_type) {
+ this.block_type = block_type;
+ }
+
+ public int getBlockType() {
+ return block_type;
+ }
+
+ protected void setBlockLength(int block_length) {
+ this.block_length = block_length;
+ }
+
+ protected int getBlockLength() {
+ return block_length;
+ }
+
+ protected void setBlockRemaining(int block_remaining) {
+ this.block_remaining = block_remaining;
+ }
+
+ protected int getBlockRemaining() {
+ return block_remaining;
+ }
+
+ protected void setFramesRead(int frames_read) {
+ this.frames_read = frames_read;
+ }
+
+ protected void increaseFramesRead() {
+ this.frames_read = getFramesRead() + 1;
+ }
+
+ protected int getFramesRead() {
+ return frames_read;
+ }
+
+ protected void setIntelFileSize(int intel_file_size) {
+ this.intel_file_size = intel_file_size;
+ }
+
+ protected int getIntelFileSize() {
+ return intel_file_size;
+ }
+
+ protected void setIntelCurrentPossition(long intel_current_possition) {
+ this.intel_current_possition = intel_current_possition;
+ }
+
+ protected long getIntelCurrentPossition() {
+ return intel_current_possition;
+ }
+
+ protected void setIntelState(IntelState intel_state) {
+ this.intel_state = intel_state;
+ }
+
+ protected IntelState getIntelState() {
+ return intel_state;
+ }
+
+ protected void setR0(long r0) {
+ R0 = r0;
+ }
+
+ protected long getR0() {
+ return R0;
+ }
+
+ protected void setR1(long r1) {
+ R1 = r1;
+ }
+
+ protected long getR1() {
+ return R1;
+ }
+
+ protected void setR2(long r2) {
+ R2 = r2;
+ }
+
+ protected long getR2() {
+ return R2;
+ }
+
+ public static void main(String[] args) {
+ }
+
+ public void setMainTreeLengtsTable(short[] mainTreeLengtsTable) {
+ this.mainTreeLengtsTable = mainTreeLengtsTable;
+ }
+
+ public short[] getMainTreeLengtsTable() {
+ return mainTreeLengtsTable;
+ }
+
+ public void setLengthTreeLengtsTable(short[] lengthTreeLengtsTable) {
+ this.lengthTreeLengtsTable = lengthTreeLengtsTable;
+ }
+
+ public short[] getLengthTreeLengtsTable() {
+ return lengthTreeLengtsTable;
+ }
}
Modified: tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmSection.java
URL: http://svn.apache.org/viewvc/tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmSection.java?rev=1133554&r1=1133553&r2=1133554&view=diff
==============================================================================
--- tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmSection.java (original)
+++ tika/trunk/tika-parsers/src/main/java/org/apache/tika/parser/chm/lzx/ChmSection.java Wed Jun 8 21:00:27 2011
@@ -22,187 +22,186 @@ import java.util.Arrays;
import org.apache.tika.parser.chm.core.ChmCommons;
public class ChmSection {
- private byte[] data;
- private int swath;// kiks
- private int total;// remains
- private int buffer;// val
-
- public ChmSection(byte[] data) {
- ChmCommons.assertByteArrayNotNull(data);
- setData(data);
- }
-
- /* Utilities */
- public byte[] reverseByteOrder(byte[] toBeReversed) {
- ChmCommons.assertByteArrayNotNull(toBeReversed);
- ChmCommons.reverse(toBeReversed);
- return toBeReversed;
- }
-
- public int checkBit(int i) {
- return ((getBuffer() & (1 << (getTotal() - i))) == 0) ? 0 : 1;
- }
-
- public int getSyncBits(int bit) {
- return getDesyncBits(bit, bit);
- }
-
- public int getDesyncBits(int bit, int removeBit) {
- while (getTotal() < 16) {
- setBuffer((getBuffer() << 16) + unmarshalUByte()
- + (unmarshalUByte() << 8));
- setTotal(getTotal() + 16);
- }
- int tmp = (getBuffer() >>> (getTotal() - bit));
- setTotal(getTotal() - removeBit);
- setBuffer(getBuffer() - ((getBuffer() >>> getTotal()) << getTotal()));
- return tmp;
- }
-
- public int unmarshalUByte() {
- return (int) (getByte() & 255);
- }
-
- public byte getByte() {
- if (getSwath() < getData().length) {
- setSwath(getSwath() + 1);
- return getData()[getSwath() - 1];
- } else
- return 0;
- }
-
- public int getLeft() {
- return (getData().length - getSwath());
- }
-
- public byte[] getData() {
- return data;
- }
-
- public BigInteger getBigInteger(int i) {
- if (getData() == null)
- return BigInteger.ZERO;
- if (getData().length - getSwath() < i)
- i = getData().length - getSwath();
- byte[] tmp = new byte[i];
- for (int j = i - 1; j >= 0; j--) {
- tmp[i - j - 1] = getData()[getSwath() + j];
- }
- setSwath(getSwath() + i);
- return new BigInteger(tmp);
- }
-
- public byte[] stringToAsciiBytes(String s) {
- char[] c = s.toCharArray();
- byte[] byteval = new byte[c.length];
- for (int i = 0; i < c.length; i++)
- byteval[i] = (byte) c[i];
- return byteval;
- }
-
- public BigInteger unmarshalUlong() {
- return getBigInteger(8);
- }
-
- public long unmarshalUInt() {
- return getBigInteger(4).longValue();
- }
-
- public int unmarshalInt() {
- return getBigInteger(4).intValue();
- }
-
- public byte[] unmarshalBytes(int i) {
- if (i == 0)
- return new byte[1];
- byte[] t = new byte[i];
- for (int j = 0; j < i; j++)
- t[j] = getData()[j + getSwath()];
- setSwath(getSwath() + i);
- return t;
- }
-
- public BigInteger getEncint() {
- byte ob;
- BigInteger bi = BigInteger.ZERO;
- byte[] nb = new byte[1];
- while ((ob = this.getByte()) < 0) {
- nb[0] = (byte) ((ob & 0x7f));
- bi = bi.shiftLeft(7).add(new BigInteger(nb));
- }
- nb[0] = (byte) ((ob & 0x7f));
- bi = bi.shiftLeft(7).add(new BigInteger(nb));
- return bi;
- }
-
- public char unmarshalUtfChar() {
- byte ob;
- int i = 1;
- byte[] ba;
- ob = this.getByte();
- if (ob < 0) {
- i = 2;
- while ((ob << (24 + i)) < 0)
- i++;
- }
- ba = new byte[i];
- ba[0] = ob;
- int j = 1;
- while (j < i) {
- ba[j] = this.getByte();
- j++;
- }
- i = ba.length;
- if (i == 1)
- return (char) ba[0];
- else {
- int n;
- n = ba[0] & 15; // 00001111b, gets last 4 bits
- j = 1;
- while (j < i)
- n = (n << 6) + (ba[j++] & 63);// 00111111b,gets last 6 bits
- return (char) n;
- }
- }
-
- private void setData(byte[] data) {
- this.data = data;
- }
-
- public int getSwath() {
- return swath;
- }
-
- public void setSwath(int swath) {
- this.swath = swath;
- }
-
- public int getTotal() {
- return total;
- }
-
- public void setTotal(int total) {
- this.total = total;
- }
-
- private int getBuffer() {
- return buffer;
- }
-
- private void setBuffer(int buffer) {
- this.buffer = buffer;
- }
-
- /**
- * @param args
- */
- public static void main(String[] args) {
- int result = 8 & 255;
- System.out.println("result " + result);
- byte[] array = { 4, 78, -67, 90, 1, -33 };
- ChmSection chmSection = new ChmSection(array);
- System.out.println("before " + Arrays.toString(array));
- System.out.println("after "
- + Arrays.toString(chmSection.reverseByteOrder(array)));
- }
+ private byte[] data;
+ private int swath;// kiks
+ private int total;// remains
+ private int buffer;// val
+
+ public ChmSection(byte[] data) {
+ ChmCommons.assertByteArrayNotNull(data);
+ setData(data);
+ }
+
+ /* Utilities */
+ public byte[] reverseByteOrder(byte[] toBeReversed) {
+ ChmCommons.assertByteArrayNotNull(toBeReversed);
+ ChmCommons.reverse(toBeReversed);
+ return toBeReversed;
+ }
+
+ public int checkBit(int i) {
+ return ((getBuffer() & (1 << (getTotal() - i))) == 0) ? 0 : 1;
+ }
+
+ public int getSyncBits(int bit) {
+ return getDesyncBits(bit, bit);
+ }
+
+ public int getDesyncBits(int bit, int removeBit) {
+ while (getTotal() < 16) {
+ setBuffer((getBuffer() << 16) + unmarshalUByte()
+ + (unmarshalUByte() << 8));
+ setTotal(getTotal() + 16);
+ }
+ int tmp = (getBuffer() >>> (getTotal() - bit));
+ setTotal(getTotal() - removeBit);
+ setBuffer(getBuffer() - ((getBuffer() >>> getTotal()) << getTotal()));
+ return tmp;
+ }
+
+ public int unmarshalUByte() {
+ return (int) (getByte() & 255);
+ }
+
+ public byte getByte() {
+ if (getSwath() < getData().length) {
+ setSwath(getSwath() + 1);
+ return getData()[getSwath() - 1];
+ } else
+ return 0;
+ }
+
+ public int getLeft() {
+ return (getData().length - getSwath());
+ }
+
+ public byte[] getData() {
+ return data;
+ }
+
+ public BigInteger getBigInteger(int i) {
+ if (getData() == null)
+ return BigInteger.ZERO;
+ if (getData().length - getSwath() < i)
+ i = getData().length - getSwath();
+ byte[] tmp = new byte[i];
+ for (int j = i - 1; j >= 0; j--) {
+ tmp[i - j - 1] = getData()[getSwath() + j];
+ }
+ setSwath(getSwath() + i);
+ return new BigInteger(tmp);
+ }
+
+ public byte[] stringToAsciiBytes(String s) {
+ char[] c = s.toCharArray();
+ byte[] byteval = new byte[c.length];
+ for (int i = 0; i < c.length; i++)
+ byteval[i] = (byte) c[i];
+ return byteval;
+ }
+
+ public BigInteger unmarshalUlong() {
+ return getBigInteger(8);
+ }
+
+ public long unmarshalUInt() {
+ return getBigInteger(4).longValue();
+ }
+
+ public int unmarshalInt() {
+ return getBigInteger(4).intValue();
+ }
+
+ public byte[] unmarshalBytes(int i) {
+ if (i == 0)
+ return new byte[1];
+ byte[] t = new byte[i];
+ for (int j = 0; j < i; j++)
+ t[j] = getData()[j + getSwath()];
+ setSwath(getSwath() + i);
+ return t;
+ }
+
+ public BigInteger getEncint() {
+ byte ob;
+ BigInteger bi = BigInteger.ZERO;
+ byte[] nb = new byte[1];
+ while ((ob = this.getByte()) < 0) {
+ nb[0] = (byte) ((ob & 0x7f));
+ bi = bi.shiftLeft(7).add(new BigInteger(nb));
+ }
+ nb[0] = (byte) ((ob & 0x7f));
+ bi = bi.shiftLeft(7).add(new BigInteger(nb));
+ return bi;
+ }
+
+ public char unmarshalUtfChar() {
+ byte ob;
+ int i = 1;
+ byte[] ba;
+ ob = this.getByte();
+ if (ob < 0) {
+ i = 2;
+ while ((ob << (24 + i)) < 0)
+ i++;
+ }
+ ba = new byte[i];
+ ba[0] = ob;
+ int j = 1;
+ while (j < i) {
+ ba[j] = this.getByte();
+ j++;
+ }
+ i = ba.length;
+ if (i == 1)
+ return (char) ba[0];
+ else {
+ int n;
+ n = ba[0] & 15; // 00001111b, gets last 4 bits
+ j = 1;
+ while (j < i)
+ n = (n << 6) + (ba[j++] & 63);// 00111111b,gets last 6 bits
+ return (char) n;
+ }
+ }
+
+ private void setData(byte[] data) {
+ this.data = data;
+ }
+
+ public int getSwath() {
+ return swath;
+ }
+
+ public void setSwath(int swath) {
+ this.swath = swath;
+ }
+
+ public int getTotal() {
+ return total;
+ }
+
+ public void setTotal(int total) {
+ this.total = total;
+ }
+
+ private int getBuffer() {
+ return buffer;
+ }
+
+ private void setBuffer(int buffer) {
+ this.buffer = buffer;
+ }
+
+ /**
+ * @param args
+ */
+ public static void main(String[] args) {
+ int result = 8 & 255;
+ System.out.println("result " + result);
+ byte[] array = { 4, 78, -67, 90, 1, -33 };
+ ChmSection chmSection = new ChmSection(array);
+ System.out.println("before " + Arrays.toString(array));
+ System.out.println("after " + Arrays.toString(chmSection.reverseByteOrder(array)));
+ }
}