/bundles/plugins-trunk/XML/xml/parser/javacc/XmlParser.java

/* Generated By:JavaCC: Do not edit this line. XmlParser.java */
package xml.parser.javacc;

import java.text.MessageFormat;
import java.util.*;
import java.util.regex.*;
import sidekick.util.*;
import java.io.Reader;

public class XmlParser implements XmlParserConstants {

  static String NL = System.getProperty("line.separator");

  private List<ParseError> parseErrors = new ArrayList<ParseError>();

  public void setLineSeparator(String ls) {
    NL = ls;
  }

  private static String getTokenText(Token first, Token cur) {
    Token t;
    StringBuffer sb = new StringBuffer();

    for (t=first; t != cur.next; t = t.next) {
      if (t.specialToken != null) {
        Token tt=t.specialToken;
        while (tt.specialToken != null)
          tt = tt.specialToken;
        for (; tt != null; tt = tt.next)
          sb.append(tt.image);
      };
      sb.append(t.image);
    };
    return sb.toString();
  }

  /**
  * The line offset is used when the XML to be parsed is only part of a file,
  * @param lineOffset The line number of the first line of the fragment.
  * @param columnOffset The column number of the first character of the fragment.
  */
  public XmlParser(Reader in, int lineOffset, int columnOffset){
        this(in);
        jj_input_stream.ReInit(in,lineOffset,columnOffset);
  }

  public static void main(String[] args) throws ParseException {
    XmlParser parser = new XmlParser(System.in);
    XmlDocument doc = parser.XmlDocument();
    doc.accept(new XmlDebugDumper(System.out));
    System.exit(0);
  }

   public void setTabSize(int size) {
        jj_input_stream.setTabSize(size);
   }

   public int getTabSize() {
        return jj_input_stream.getTabSize(0);
   }

    private void addException(ParseException pe) {
        Range range = getExceptionLocation( pe );
        parseErrors.add(new ParseError(pe.getMessage(), range));
        pe.printStackTrace();
    }

    public List<ParseError> getParseErrors() {
       System.out.println("getParserErrors, there are " + parseErrors.size() + " errors");
       return parseErrors;
    }

    // regex to extract line and colun from a ParseException message
    // ParseException message look like: "Parse error at line 116, column 5.  Encountered: }"
    private Pattern pePattern = Pattern.compile( "(.*?)(\\d+)(.*?)(\\d+)(.*?)" );

    /**
     * @return attempts to return a Location indicating the location of a parser
     * exception.  If the ParseException contains a Token reference, all is well,
     * otherwise, this method attempts to parse the message string for the
     * exception.
     */
    private Range getExceptionLocation( ParseException pe ) {
        Token t = pe.currentToken;
        if ( t != null ) {
            return new Range( new Location( t.next.beginLine - 1, t.next.beginColumn ), new Location( t.next.endLine - 1, t.next.endColumn ) );
        }

        // ParseException message look like: "Parse error at line 116, column 5.  Encountered: }"
        try {
            Matcher m = pePattern.matcher( pe.getMessage() );
            if ( m.matches() ) {
                String ln = m.group( 2 );
                String cn = m.group( 4 );
                int line_number = -1;
                int column_number = 0;
                if ( ln != null )
                    line_number = Integer.parseInt( ln );
                if ( cn != null )
                    column_number = Integer.parseInt( cn );
                return line_number > -1 ? new Range( new Location( line_number - 1, column_number - 1 ), new Location( line_number - 1, column_number ) ) : null;
            }
            return new Range();
        }
        catch ( Exception e ) {
            //e.printStackTrace();
            return new Range();
        }
    }

    // regex pattern for a valid non-quoted attribute.
    // Attributes can be single or double quoted, or consist solely of
    // letters in the range A-Z and a-z, digits (0-9), hyphens ("-"),
    // and periods (".")
    private Pattern attributePattern = Pattern.compile( "([a-zA-Z0-9.-])*" );
    private boolean isProperAttribute(String s) {
        // could have double quotes
        if (s.startsWith("\"") && s.endsWith("\"")) {
            return true;
        }
        // or single quotes
        else if (s.startsWith("'") && s.endsWith("'")) {
            return true;
        }
        // or might be jsp
        else if (s.startsWith("<%") && (s.endsWith("%>") || s.endsWith("%")) ) {
            return true;
        }
        boolean rtn = attributePattern.matcher(s).matches();
        if (rtn == false) {
            System.out.println("bad attribute: " + s);
        }
        return rtn;
    }

  final public XmlDocument XmlDocument() throws ParseException {
  XmlDocument.ElementSequence s;
    s = ElementSequence();
    jj_consume_token(0);
    {if (true) return new XmlDocument(s);}
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.ElementSequence ElementSequence() throws ParseException {
  XmlDocument.ElementSequence s = new XmlDocument.ElementSequence();
  XmlDocument.XmlElement h;
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case EOL:
      case COMMENT_START:
      case ENDTAG_START:
      case TAG_START:
      case DECL_START:
      case PCDATA:
        ;
        break;
      default:
        jj_la1[0] = jj_gen;
        break label_1;
      }
      h = Element();
                  s.addElement(h);
    }
    {if (true) return s;}
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.XmlElement Element() throws ParseException {
  XmlDocument.XmlElement e;
  Token text;
    if (jj_2_1(2)) {
      e = Tag();
                            {if (true) return e;}
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ENDTAG_START:
        e = EndTag();
                            {if (true) return e;}
        break;
      case COMMENT_START:
        e = CommentTag();
                            {if (true) return e;}
        break;
      case DECL_START:
        e = DeclTag();
                            {if (true) return e;}
        break;
      default:
        jj_la1[1] = jj_gen;
        if (jj_2_2(2)) {
          jj_consume_token(TAG_START);
          text = jj_consume_token(LST_ERROR);
                            {if (true) return new XmlDocument.Text("<" + text.image);}
        } else {
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case PCDATA:
            text = jj_consume_token(PCDATA);
                            {if (true) return new XmlDocument.Text(text.image);}
            break;
          case EOL:
            jj_consume_token(EOL);
                            {if (true) return new XmlDocument.Newline();}
            break;
          default:
            jj_la1[2] = jj_gen;
            jj_consume_token(-1);
            throw new ParseException();
          }
        }
      }
    }
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.Attribute Attribute() throws ParseException {
  XmlDocument.Attribute a;
  Token t1, t2=null;
    try {
      t1 = jj_consume_token(ATTR_NAME);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ATTR_EQ:
        jj_consume_token(ATTR_EQ);
        t2 = jj_consume_token(ATTR_VAL);
        break;
      default:
        jj_la1[3] = jj_gen;
        ;
      }
        if (t2 == null) {
          a = new XmlDocument.Attribute(t1.image);
          a.setStartLocation(t1.beginLine, t1.beginColumn);
          a.setEndLocation(t1.endLine, t1.endColumn + 1);
      }
        else {
          a = new XmlDocument.Attribute(t1.image, t2.image);
          a.setStartLocation(t1.beginLine, t1.beginColumn);
          a.setValueStartLocation(t2.beginLine,t2.beginColumn);
          a.setEndLocation(t2.endLine, t2.endColumn + 1);
          if (!isProperAttribute(t2.image)) {
           ParseException e = new ParseException("Parse error at line " + t2.beginLine + ", column " + t2.beginColumn + ".  Attribute is improperly quoted." );
           addException(e);
          }
        }

         {if (true) return a;}
    } catch (ParseException e) {
        addException(e);
        {if (true) return null;}
    }
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.AttributeList AttributeList() throws ParseException {
  XmlDocument.AttributeList alist = new XmlDocument.AttributeList();
  XmlDocument.Attribute a;
    label_2:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ATTR_NAME:
        ;
        break;
      default:
        jj_la1[4] = jj_gen;
        break label_2;
      }
      a = Attribute();
                   alist.addAttribute(a);
    }
    {if (true) return alist;}
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.XmlElement Tag() throws ParseException {
  Token t, et;
  XmlDocument.AttributeList alist;
  Token firstToken = getToken(1);
  Token st = null;
    try {
      st = jj_consume_token(TAG_START);
      t = jj_consume_token(TAG_NAME);
      alist = AttributeList();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TAG_END:
        et = jj_consume_token(TAG_END);
        break;
      case TAG_SLASHEND:
        et = jj_consume_token(TAG_SLASHEND);
        break;
      default:
        jj_la1[5] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
        String tag_start = "<";
        String tag_name = "";
        if (st.image.startsWith("<") && st.image.endsWith(":")) {
            tag_start = "<";
            tag_name = st.image.substring(1) + t.image;
        }
        else {
            tag_name = t.image;
        }
      XmlDocument.Tag rtn_tag = new XmlDocument.Tag(tag_start, tag_name, alist, et.image);
      if (et.kind == TAG_SLASHEND) {
          rtn_tag.setEmpty(true);
      }
      rtn_tag.setStartLocation(st.beginLine, st.beginColumn);
      rtn_tag.setEndLocation(et.endLine, et.endColumn + 1);
      {if (true) return rtn_tag;}
    } catch (ParseException ex) {
      addException(ex);
    token_source.SwitchTo(DEFAULT);
    String s = getTokenText(firstToken, getNextToken());
    {if (true) return new XmlDocument.Text(s);}
    }
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.XmlElement EndTag() throws ParseException {
  Token t;
  Token firstToken = getToken(1);
  Token st, et;
    try {
      st = jj_consume_token(ENDTAG_START);
      t = jj_consume_token(TAG_NAME);
      et = jj_consume_token(TAG_END);
        String tag_name = "";
        if (st.image.startsWith("</") && st.image.endsWith(":")) {
            tag_name = st.image.substring(2) + t.image;
        }
        else
            tag_name = t.image;
        XmlDocument.EndTag b = new XmlDocument.EndTag(tag_name);
        b.setStartLocation(st.beginLine, st.beginColumn);
        b.setEndLocation(et.endLine, et.endColumn + 1);
        {if (true) return b;}
    } catch (ParseException ex) {
    addException(ex);
    token_source.SwitchTo(DEFAULT);
    String s = getTokenText(firstToken, getNextToken());
    {if (true) return new XmlDocument.Text(s);}
    }
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.Comment CommentTag() throws ParseException {
  Token t, comment_start, comment_end = null;
  StringBuffer s = new StringBuffer();
    try {
      comment_start = jj_consume_token(COMMENT_START);
      label_3:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case DASH:
        case COMMENT_EOL:
        case COMMENT_WORD:
          ;
          break;
        default:
          jj_la1[6] = jj_gen;
          break label_3;
        }
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case DASH:
          t = jj_consume_token(DASH);
                       s.append(t.image);
          break;
        case COMMENT_EOL:
          jj_consume_token(COMMENT_EOL);
                               s.append(NL);
          break;
        case COMMENT_WORD:
          t = jj_consume_token(COMMENT_WORD);
                                 s.append(t.image);
          break;
        default:
          jj_la1[7] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 0:
        jj_consume_token(0);
        break;
      case COMMENT_END:
        comment_end = jj_consume_token(COMMENT_END);
        break;
      default:
        jj_la1[8] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
            {if (true) return new XmlDocument.Comment(comment_start.image + s.toString() + (comment_end == null ? "" : comment_end.image));}
    } catch (ParseException e) {
        addException(e);
    }
    throw new Error("Missing return statement in function");
  }

  final public XmlDocument.Comment DeclTag() throws ParseException {
  Token t;
    try {
      jj_consume_token(DECL_START);
      t = jj_consume_token(DECL_ANY);
      jj_consume_token(DECL_END);
            {if (true) return new XmlDocument.Comment(t.image);}
    } catch (ParseException e) {
        addException(e);
    }
    throw new Error("Missing return statement in function");
  }

  final private boolean jj_2_1(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_1(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(0, xla); }
  }

  final private boolean jj_2_2(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_2(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(1, xla); }
  }

  final private boolean jj_3_2() {
    if (jj_scan_token(TAG_START)) return true;
    if (jj_scan_token(LST_ERROR)) return true;
    return false;
  }

  final private boolean jj_3R_4() {
    if (jj_scan_token(TAG_START)) return true;
    if (jj_scan_token(TAG_NAME)) return true;
    return false;
  }

  final private boolean jj_3_1() {
    if (jj_3R_4()) return true;
    return false;
  }

  public XmlParserTokenManager token_source;
  SimpleCharStream jj_input_stream;
  public Token token, jj_nt;
  private int jj_ntk;
  private Token jj_scanpos, jj_lastpos;
  private int jj_la;
  public boolean lookingAhead = false;
  private boolean jj_semLA;
  private int jj_gen;
  final private int[] jj_la1 = new int[9];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static {
      jj_la1_0();
      jj_la1_1();
   }
   private static void jj_la1_0() {
      jj_la1_0 = new int[] {0x1f800,0xb000,0x10800,0x1000000,0x200000,0xc00000,0x80000000,0x80000000,0x40000001,};
   }
   private static void jj_la1_1() {
      jj_la1_1 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x3,0x3,0x0,};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[2];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  public XmlParser(java.io.InputStream stream) {
     this(stream, null);
  }
  public XmlParser(java.io.InputStream stream, String encoding) {
    try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source = new XmlParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 9; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  public void ReInit(java.io.InputStream stream, String encoding) {
    try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 9; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public XmlParser(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new XmlParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 9; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(java.io.Reader stream) {
    jj_input_stream.ReInit(stream, 1, 1);
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 9; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public XmlParser(XmlParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 9; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(XmlParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 9; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  final private Token jj_consume_token(int kind) throws ParseException {
    Token oldToken;
    if ((oldToken = token).next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    if (token.kind == kind) {
      jj_gen++;
      if (++jj_gc > 100) {
        jj_gc = 0;
        for (int i = 0; i < jj_2_rtns.length; i++) {
          JJCalls c = jj_2_rtns[i];
          while (c != null) {
            if (c.gen < jj_gen) c.first = null;
            c = c.next;
          }
        }
      }
      return token;
    }
    token = oldToken;
    jj_kind = kind;
    throw generateParseException();
  }

  static private final class LookaheadSuccess extends java.lang.Error { }
  final private LookaheadSuccess jj_ls = new LookaheadSuccess();
  final private boolean jj_scan_token(int kind) {
    if (jj_scanpos == jj_lastpos) {
      jj_la--;
      if (jj_scanpos.next == null) {
        jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
      } else {
        jj_lastpos = jj_scanpos = jj_scanpos.next;
      }
    } else {
      jj_scanpos = jj_scanpos.next;
    }
    if (jj_rescan) {
      int i = 0; Token tok = token;
      while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
      if (tok != null) jj_add_error_token(kind, i);
    }
    if (jj_scanpos.kind != kind) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
    return false;
  }

  final public Token getNextToken() {
    if (token.next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    jj_gen++;
    return token;
  }

  final public Token getToken(int index) {
    Token t = lookingAhead ? jj_scanpos : token;
    for (int i = 0; i < index; i++) {
      if (t.next != null) t = t.next;
      else t = t.next = token_source.getNextToken();
    }
    return t;
  }

  final private int jj_ntk() {
    if ((jj_nt=token.next) == null)
      return (jj_ntk = (token.next=token_source.getNextToken()).kind);
    else
      return (jj_ntk = jj_nt.kind);
  }

  private java.util.Vector jj_expentries = new java.util.Vector();
  private int[] jj_expentry;
  private int jj_kind = -1;
  private int[] jj_lasttokens = new int[100];
  private int jj_endpos;

  private void jj_add_error_token(int kind, int pos) {
    if (pos >= 100) return;
    if (pos == jj_endpos + 1) {
      jj_lasttokens[jj_endpos++] = kind;
    } else if (jj_endpos != 0) {
      jj_expentry = new int[jj_endpos];
      for (int i = 0; i < jj_endpos; i++) {
        jj_expentry[i] = jj_lasttokens[i];
      }
      boolean exists = false;
      for (java.util.Enumeration e = jj_expentries.elements(); e.hasMoreElements();) {
        int[] oldentry = (int[])(e.nextElement());
        if (oldentry.length == jj_expentry.length) {
          exists = true;
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              exists = false;
              break;
            }
          }
          if (exists) break;
        }
      }
      if (!exists) jj_expentries.addElement(jj_expentry);
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[36];
    for (int i = 0; i < 36; i++) {
      la1tokens[i] = false;
    }
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 9; i++) {
      if (jj_la1[i] == jj_gen) {
        for (int j = 0; j < 32; j++) {
          if ((jj_la1_0[i] & (1<<j)) != 0) {
            la1tokens[j] = true;
          }
          if ((jj_la1_1[i] & (1<<j)) != 0) {
            la1tokens[32+j] = true;
          }
        }
      }
    }
    for (int i = 0; i < 36; i++) {
      if (la1tokens[i]) {
        jj_expentry = new int[1];
        jj_expentry[0] = i;
        jj_expentries.addElement(jj_expentry);
      }
    }
    jj_endpos = 0;
    jj_rescan_token();
    jj_add_error_token(0, 0);
    int[][] exptokseq = new int[jj_expentries.size()][];
    for (int i = 0; i < jj_expentries.size(); i++) {
      exptokseq[i] = (int[])jj_expentries.elementAt(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  final public void enable_tracing() {
  }

  final public void disable_tracing() {
  }

  final private void jj_rescan_token() {
    jj_rescan = true;
    for (int i = 0; i < 2; i++) {
    try {
      JJCalls p = jj_2_rtns[i];
      do {
        if (p.gen > jj_gen) {
          jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
          switch (i) {
            case 0: jj_3_1(); break;
            case 1: jj_3_2(); break;
          }
        }
        p = p.next;
      } while (p != null);
      } catch(LookaheadSuccess ls) { }
    }
    jj_rescan = false;
  }

  final private void jj_save(int index, int xla) {
    JJCalls p = jj_2_rtns[index];
    while (p.gen > jj_gen) {
      if (p.next == null) { p = p.next = new JJCalls(); break; }
      p = p.next;
    }
    p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
  }

  static final class JJCalls {
    int gen;
    Token first;
    int arg;
    JJCalls next;
  }

}