--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/software/eXist/mpdl-modules/src/de/mpg/mpiwg/berlin/mpdl/lt/analyzer/lang/MpdlNormalizerLexNL.java	Tue Feb 22 16:03:45 2011 +0100
@@ -0,0 +1,576 @@
+/* The following code was generated by JFlex 1.4.3 on 22.02.11 12:04 */
+
+/*
+ * Normalization rules for Dutch text
+ * [this is a JFlex specification]
+ *
+ * Wolfgang Schmidle 
+ * version 0.96
+ * 2011-02-21
+ *
+ */
+
+package de.mpg.mpiwg.berlin.mpdl.lt.analyzer.lang;
+
+
+/**
+ * This class is a scanner generated by 
+ * <a href="http://www.jflex.de/">JFlex</a> 1.4.3
+ * on 22.02.11 12:04 from the specification file
+ * <tt>MpdlNormalizerLexNL.lex</tt>
+ */
+public class MpdlNormalizerLexNL {
+
+  /** This character denotes the end of file */
+  public static final int YYEOF = -1;
+
+  /** initial size of the lookahead buffer */
+  private static final int ZZ_BUFFERSIZE = 16384;
+
+  /** lexical states */
+  public static final int SEARCH = 6;
+  public static final int DICT = 4;
+  public static final int YYINITIAL = 0;
+  public static final int DISP = 2;
+
+  /**
+   * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
+   * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
+   *                  at the beginning of a line
+   * l is of the form l = 2*k, k a non negative integer
+   */
+  private static final int ZZ_LEXSTATE[] = { 
+     0,  0,  1,  1,  2,  2,  1, 1
+  };
+
+  /** 
+   * Translates characters to character classes
+   */
+  private static final String ZZ_CMAP_PACKED = 
+    "\12\0\1\1\65\0\1\3\u013e\0\1\2\ufe80\0";
+
+  /** 
+   * Translates characters to character classes
+   */
+  private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);
+
+  /** 
+   * Translates DFA states to action switch labels.
+   */
+  private static final int [] ZZ_ACTION = zzUnpackAction();
+
+  private static final String ZZ_ACTION_PACKED_0 =
+    "\3\0\1\1\1\2\1\3\1\4\1\5";
+
+  private static int [] zzUnpackAction() {
+    int [] result = new int[8];
+    int offset = 0;
+    offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
+    return result;
+  }
+
+  private static int zzUnpackAction(String packed, int offset, int [] result) {
+    int i = 0;       /* index in packed string  */
+    int j = offset;  /* index in unpacked array */
+    int l = packed.length();
+    while (i < l) {
+      int count = packed.charAt(i++);
+      int value = packed.charAt(i++);
+      do result[j++] = value; while (--count > 0);
+    }
+    return j;
+  }
+
+
+  /** 
+   * Translates a state to a row index in the transition table
+   */
+  private static final int [] ZZ_ROWMAP = zzUnpackRowMap();
+
+  private static final String ZZ_ROWMAP_PACKED_0 =
+    "\0\0\0\4\0\10\0\14\0\14\0\14\0\14\0\14";
+
+  private static int [] zzUnpackRowMap() {
+    int [] result = new int[8];
+    int offset = 0;
+    offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
+    return result;
+  }
+
+  private static int zzUnpackRowMap(String packed, int offset, int [] result) {
+    int i = 0;  /* index in packed string  */
+    int j = offset;  /* index in unpacked array */
+    int l = packed.length();
+    while (i < l) {
+      int high = packed.charAt(i++) << 16;
+      result[j++] = high | packed.charAt(i++);
+    }
+    return j;
+  }
+
+  /** 
+   * The transition table of the DFA
+   */
+  private static final int [] ZZ_TRANS = zzUnpackTrans();
+
+  private static final String ZZ_TRANS_PACKED_0 =
+    "\1\4\1\0\1\4\1\5\1\4\1\6\1\7\1\5"+
+    "\1\4\1\10\1\7\1\5\4\0";
+
+  private static int [] zzUnpackTrans() {
+    int [] result = new int[16];
+    int offset = 0;
+    offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
+    return result;
+  }
+
+  private static int zzUnpackTrans(String packed, int offset, int [] result) {
+    int i = 0;       /* index in packed string  */
+    int j = offset;  /* index in unpacked array */
+    int l = packed.length();
+    while (i < l) {
+      int count = packed.charAt(i++);
+      int value = packed.charAt(i++);
+      value--;
+      do result[j++] = value; while (--count > 0);
+    }
+    return j;
+  }
+
+
+  /* error codes */
+  private static final int ZZ_UNKNOWN_ERROR = 0;
+  private static final int ZZ_NO_MATCH = 1;
+  private static final int ZZ_PUSHBACK_2BIG = 2;
+
+  /* error messages for the codes above */
+  private static final String ZZ_ERROR_MSG[] = {
+    "Unkown internal scanner error",
+    "Error: could not match input",
+    "Error: pushback value was too large"
+  };
+
+  /**
+   * ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
+   */
+  private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
+
+  private static final String ZZ_ATTRIBUTE_PACKED_0 =
+    "\3\0\5\11";
+
+  private static int [] zzUnpackAttribute() {
+    int [] result = new int[8];
+    int offset = 0;
+    offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
+    return result;
+  }
+
+  private static int zzUnpackAttribute(String packed, int offset, int [] result) {
+    int i = 0;       /* index in packed string  */
+    int j = offset;  /* index in unpacked array */
+    int l = packed.length();
+    while (i < l) {
+      int count = packed.charAt(i++);
+      int value = packed.charAt(i++);
+      do result[j++] = value; while (--count > 0);
+    }
+    return j;
+  }
+
+  /** the input device */
+  private java.io.Reader zzReader;
+
+  /** the current state of the DFA */
+  private int zzState;
+
+  /** the current lexical state */
+  private int zzLexicalState = YYINITIAL;
+
+  /** this buffer contains the current text to be matched and is
+      the source of the yytext() string */
+  private char zzBuffer[] = new char[ZZ_BUFFERSIZE];
+
+  /** the textposition at the last accepting state */
+  private int zzMarkedPos;
+
+  /** the current text position in the buffer */
+  private int zzCurrentPos;
+
+  /** startRead marks the beginning of the yytext() string in the buffer */
+  private int zzStartRead;
+
+  /** endRead marks the last character in the buffer, that has been read
+      from input */
+  private int zzEndRead;
+
+  /** number of newlines encountered up to the start of the matched text */
+  private int yyline;
+
+  /** the number of characters up to the start of the matched text */
+  private int yychar;
+
+  /**
+   * the number of characters from the last newline up to the start of the 
+   * matched text
+   */
+  private int yycolumn;
+
+  /** 
+   * zzAtBOL == true <=> the scanner is currently at the beginning of a line
+   */
+  private boolean zzAtBOL = true;
+
+  /** zzAtEOF == true <=> the scanner is at the EOF */
+  private boolean zzAtEOF;
+
+  /** denotes if the user-EOF-code has already been executed */
+  private boolean zzEOFDone;
+
+  /* user code: */
+	private String original = "";
+	private String normalized = "";
+	private int problem = 0;
+	
+	private void add (String norm) {
+		original += yytext(); 
+		normalized += norm;
+	}
+
+
+  /**
+   * Creates a new scanner
+   * There is also a java.io.InputStream version of this constructor.
+   *
+   * @param   in  the java.io.Reader to read input from.
+   */
+  public MpdlNormalizerLexNL(java.io.Reader in) {
+    this.zzReader = in;
+  }
+
+  /**
+   * Creates a new scanner.
+   * There is also java.io.Reader version of this constructor.
+   *
+   * @param   in  the java.io.Inputstream to read input from.
+   */
+  public MpdlNormalizerLexNL(java.io.InputStream in) {
+    this(new java.io.InputStreamReader(in));
+  }
+
+  /** 
+   * Unpacks the compressed character translation table.
+   *
+   * @param packed   the packed character translation table
+   * @return         the unpacked character translation table
+   */
+  private static char [] zzUnpackCMap(String packed) {
+    char [] map = new char[0x10000];
+    int i = 0;  /* index in packed string  */
+    int j = 0;  /* index in unpacked array */
+    while (i < 14) {
+      int  count = packed.charAt(i++);
+      char value = packed.charAt(i++);
+      do map[j++] = value; while (--count > 0);
+    }
+    return map;
+  }
+
+
+  /**
+   * Refills the input buffer.
+   *
+   * @return      <code>false</code>, iff there was new input.
+   * 
+   * @exception   java.io.IOException  if any I/O-Error occurs
+   */
+  private boolean zzRefill() throws java.io.IOException {
+
+    /* first: make room (if you can) */
+    if (zzStartRead > 0) {
+      System.arraycopy(zzBuffer, zzStartRead,
+                       zzBuffer, 0,
+                       zzEndRead-zzStartRead);
+
+      /* translate stored positions */
+      zzEndRead-= zzStartRead;
+      zzCurrentPos-= zzStartRead;
+      zzMarkedPos-= zzStartRead;
+      zzStartRead = 0;
+    }
+
+    /* is the buffer big enough? */
+    if (zzCurrentPos >= zzBuffer.length) {
+      /* if not: blow it up */
+      char newBuffer[] = new char[zzCurrentPos*2];
+      System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
+      zzBuffer = newBuffer;
+    }
+
+    /* finally: fill the buffer with new input */
+    int numRead = zzReader.read(zzBuffer, zzEndRead,
+                                            zzBuffer.length-zzEndRead);
+
+    if (numRead > 0) {
+      zzEndRead+= numRead;
+      return false;
+    }
+    // unlikely but not impossible: read 0 characters, but not at end of stream    
+    if (numRead == 0) {
+      int c = zzReader.read();
+      if (c == -1) {
+        return true;
+      } else {
+        zzBuffer[zzEndRead++] = (char) c;
+        return false;
+      }     
+    }
+
+	// numRead < 0
+    return true;
+  }
+
+    
+  /**
+   * Closes the input stream.
+   */
+  public final void yyclose() throws java.io.IOException {
+    zzAtEOF = true;            /* indicate end of file */
+    zzEndRead = zzStartRead;  /* invalidate buffer    */
+
+    if (zzReader != null)
+      zzReader.close();
+  }
+
+
+  /**
+   * Resets the scanner to read from a new input stream.
+   * Does not close the old reader.
+   *
+   * All internal variables are reset, the old input stream 
+   * <b>cannot</b> be reused (internal buffer is discarded and lost).
+   * Lexical state is set to <tt>ZZ_INITIAL</tt>.
+   *
+   * @param reader   the new input stream 
+   */
+  public final void yyreset(java.io.Reader reader) {
+    zzReader = reader;
+    zzAtBOL  = true;
+    zzAtEOF  = false;
+    zzEOFDone = false;
+    zzEndRead = zzStartRead = 0;
+    zzCurrentPos = zzMarkedPos = 0;
+    yyline = yychar = yycolumn = 0;
+    zzLexicalState = YYINITIAL;
+  }
+
+
+  /**
+   * Returns the current lexical state.
+   */
+  public final int yystate() {
+    return zzLexicalState;
+  }
+
+
+  /**
+   * Enters a new lexical state
+   *
+   * @param newState the new lexical state
+   */
+  public final void yybegin(int newState) {
+    zzLexicalState = newState;
+  }
+
+
+  /**
+   * Returns the text matched by the current regular expression.
+   */
+  public final String yytext() {
+    return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
+  }
+
+
+  /**
+   * Returns the character at position <tt>pos</tt> from the 
+   * matched text. 
+   * 
+   * It is equivalent to yytext().charAt(pos), but faster
+   *
+   * @param pos the position of the character to fetch. 
+   *            A value from 0 to yylength()-1.
+   *
+   * @return the character at position pos
+   */
+  public final char yycharat(int pos) {
+    return zzBuffer[zzStartRead+pos];
+  }
+
+
+  /**
+   * Returns the length of the matched text region.
+   */
+  public final int yylength() {
+    return zzMarkedPos-zzStartRead;
+  }
+
+
+  /**
+   * Reports an error that occured while scanning.
+   *
+   * In a wellformed scanner (no or only correct usage of 
+   * yypushback(int) and a match-all fallback rule) this method 
+   * will only be called with things that "Can't Possibly Happen".
+   * If this method is called, something is seriously wrong
+   * (e.g. a JFlex bug producing a faulty scanner etc.).
+   *
+   * Usual syntax/scanner level error handling should be done
+   * in error fallback rules.
+   *
+   * @param   errorCode  the code of the errormessage to display
+   */
+  private void zzScanError(int errorCode) {
+    String message;
+    try {
+      message = ZZ_ERROR_MSG[errorCode];
+    }
+    catch (ArrayIndexOutOfBoundsException e) {
+      message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
+    }
+
+    throw new Error(message);
+  } 
+
+
+  /**
+   * Pushes the specified amount of characters back into the input stream.
+   *
+   * They will be read again by then next call of the scanning method
+   *
+   * @param number  the number of characters to be read again.
+   *                This number must not be greater than yylength()!
+   */
+  public void yypushback(int number)  {
+    if ( number > yylength() )
+      zzScanError(ZZ_PUSHBACK_2BIG);
+
+    zzMarkedPos -= number;
+  }
+
+
+  /**
+   * Resumes scanning until the next regular expression is matched,
+   * the end of input is encountered or an I/O-Error occurs.
+   *
+   * @return      the next token
+   * @exception   java.io.IOException  if any I/O-Error occurs
+   */
+  public java.lang.String yylex() throws java.io.IOException {
+    int zzInput;
+    int zzAction;
+
+    // cached fields:
+    int zzCurrentPosL;
+    int zzMarkedPosL;
+    int zzEndReadL = zzEndRead;
+    char [] zzBufferL = zzBuffer;
+    char [] zzCMapL = ZZ_CMAP;
+
+    int [] zzTransL = ZZ_TRANS;
+    int [] zzRowMapL = ZZ_ROWMAP;
+    int [] zzAttrL = ZZ_ATTRIBUTE;
+
+    while (true) {
+      zzMarkedPosL = zzMarkedPos;
+
+      zzAction = -1;
+
+      zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
+  
+      zzState = ZZ_LEXSTATE[zzLexicalState];
+
+
+      zzForAction: {
+        while (true) {
+    
+          if (zzCurrentPosL < zzEndReadL)
+            zzInput = zzBufferL[zzCurrentPosL++];
+          else if (zzAtEOF) {
+            zzInput = YYEOF;
+            break zzForAction;
+          }
+          else {
+            // store back cached positions
+            zzCurrentPos  = zzCurrentPosL;
+            zzMarkedPos   = zzMarkedPosL;
+            boolean eof = zzRefill();
+            // get translated positions and possibly new buffer
+            zzCurrentPosL  = zzCurrentPos;
+            zzMarkedPosL   = zzMarkedPos;
+            zzBufferL      = zzBuffer;
+            zzEndReadL     = zzEndRead;
+            if (eof) {
+              zzInput = YYEOF;
+              break zzForAction;
+            }
+            else {
+              zzInput = zzBufferL[zzCurrentPosL++];
+            }
+          }
+          int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
+          if (zzNext == -1) break zzForAction;
+          zzState = zzNext;
+
+          int zzAttributes = zzAttrL[zzState];
+          if ( (zzAttributes & 1) == 1 ) {
+            zzAction = zzState;
+            zzMarkedPosL = zzCurrentPosL;
+            if ( (zzAttributes & 8) == 8 ) break zzForAction;
+          }
+
+        }
+      }
+
+      // store back cached position
+      zzMarkedPos = zzMarkedPosL;
+
+      switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
+        case 5: 
+          { switch (problem) {
+			case 1: return "";
+			default: return normalized;
+		}
+          }
+        case 6: break;
+        case 2: 
+          { problem = 1; add(yytext());
+          }
+        case 7: break;
+        case 4: 
+          { add("s");
+          }
+        case 8: break;
+        case 3: 
+          { switch (problem) {
+			case 1: return original;
+			default: return normalized;
+		}
+          }
+        case 9: break;
+        case 1: 
+          { add(yytext());
+          }
+        case 10: break;
+        default: 
+          if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
+            zzAtEOF = true;
+            return null;
+          } 
+          else {
+            zzScanError(ZZ_NO_MATCH);
+          }
+      }
+    }
+  }
+
+
+}