Пример #1
0
  /**
   * Searches a string in a file.
   *
   * @param path file path
   * @param search codepoints of search string
   * @return success flag
   */
  private static boolean filterContent(final String path, final int[] search) {
    final int cl = search.length;
    if (cl == 0) return true;

    try (final TextInput ti = new TextInput(new IOFile(path))) {
      final IntList il = new IntList(cl - 1);
      int c = 0;
      while (true) {
        if (!il.isEmpty()) {
          if (il.remove(0) == search[c++]) continue;
          c = 0;
        }
        while (true) {
          final int cp = ti.read();
          if (cp == -1 || !XMLToken.valid(cp)) return false;
          final int lc = Token.lc(cp);
          if (c > 0) il.add(lc);
          if (lc == search[c]) {
            if (++c == cl) return true;
          } else {
            c = 0;
            break;
          }
        }
      }
    } catch (final IOException ex) {
      // file may not be accessible
      Util.debug(ex);
      return false;
    }
  }
Пример #2
0
  /**
   * Extracts entries from the archive.
   *
   * @param ctx query context
   * @return text entries
   * @throws QueryException query exception
   */
  private TokenList extract(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    TokenSet hs = null;
    if (expr.length > 1) {
      // filter result to specified entries
      hs = new TokenSet();
      final Iter names = ctx.iter(expr[1]);
      for (Item en; (en = names.next()) != null; ) {
        hs.add(checkElmStr(en).string(info));
      }
    }

    final TokenList tl = new TokenList();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        if (hs == null || hs.delete(token(ze.getName())) != 0) tl.add(in.read());
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
    return tl;
  }
Пример #3
0
  /**
   * Returns the entries of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private Iter entries(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);

    final ValueBuilder vb = new ValueBuilder();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        final FElem e = new FElem(Q_ENTRY, NS);
        long s = ze.getSize();
        if (s != -1) e.add(Q_SIZE, token(s));
        s = ze.getTime();
        if (s != -1) e.add(Q_LAST_MOD, new Dtm(s, info).string(info));
        s = ze.getCompressedSize();
        if (s != -1) e.add(Q_COMP_SIZE, token(s));
        e.add(ze.getName());
        vb.add(e);
      }
      return vb;
    } catch (final IOException ex) {
      Util.debug(ex);
      throw ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
  }
Пример #4
0
  /**
   * Returns the options of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private FElem options(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    String format = null;
    int level = -1;

    final ArchiveIn arch = ArchiveIn.get(archive.input(info), info);
    try {
      format = arch.format();
      while (arch.more()) {
        final ZipEntry ze = arch.entry();
        if (ze.isDirectory()) continue;
        level = ze.getMethod();
        break;
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      arch.close();
    }

    // create result element
    final FElem e = new FElem(Q_OPTIONS, NS);
    if (format != null) e.add(new FElem(Q_FORMAT).add(Q_VALUE, format));
    if (level >= 0) {
      final byte[] lvl = level == 8 ? DEFLATE : level == 0 ? STORED : UNKNOWN;
      e.add(new FElem(Q_ALGORITHM).add(Q_VALUE, lvl));
    }
    return e;
  }
Пример #5
0
  /**
   * Scans an external ID.
   *
   * @param f full flag
   * @param r root flag
   * @return id
   * @throws IOException I/O exception
   */
  private byte[] externalID(final boolean f, final boolean r) throws IOException {
    byte[] cont = null;
    final boolean pub = consume(PUBLIC);
    if (pub || consume(SYSTEM)) {
      checkS();
      if (pub) {
        pubidLit();
        if (f) checkS();
      }
      final int qu = consume(); // [11]
      if (qu == '\'' || qu == '"') {
        int ch;
        final TokenBuilder tok = new TokenBuilder();
        while ((ch = nextChar()) != qu) tok.add(ch);
        if (!f) return null;
        final String name = string(tok.finish());
        if (!dtd && r) return cont;

        final XMLInput tin = input;
        try {
          final IO file = input.io().merge(name);
          cont = file.read();
        } catch (final IOException ex) {
          Util.debug(ex);
          // skip unknown DTDs/entities
          cont = new byte[] {'?'};
        }
        input = new XMLInput(new IOContent(cont, name));

        if (consume(XDECL)) {
          check(XML);
          s();
          if (version()) checkS();
          s();
          if (encoding() == null) error(TEXTENC);
          ch = nextChar();
          if (s(ch)) ch = nextChar();
          if (ch != '?') error(WRONGCHAR, '?', ch);
          ch = nextChar();
          if (ch != '>') error(WRONGCHAR, '>', ch);
          cont = Arrays.copyOfRange(cont, input.pos(), cont.length);
        }

        s();
        if (r) {
          extSubsetDecl();
          if (!consume((char) 0)) error(INVEND);
        }
        input = tin;
      } else {
        if (f) error(SCANQUOTE, (char) qu);
        prev(1);
      }
    }
    return cont;
  }
Пример #6
0
 /**
  * Returns the clipboard text.
  *
  * @return text
  */
 private static String clip() {
   // copy selection to clipboard
   final Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
   final Transferable tr = clip.getContents(null);
   if (tr != null) {
     final ArrayList<Object> contents = BaseXLayout.contents(tr);
     if (!contents.isEmpty()) return contents.get(0).toString();
   } else {
     Util.debug("Clipboard has no contents.");
   }
   return null;
 }
Пример #7
0
  /**
   * Creates a new archive.
   *
   * @param ctx query context
   * @return archive
   * @throws QueryException query exception
   */
  private B64 create(final QueryContext ctx) throws QueryException {
    final Iter entr = ctx.iter(expr[0]);
    final Iter cont = ctx.iter(expr[1]);
    final Item opt = expr.length > 2 ? expr[2].item(ctx, info) : null;
    final TokenMap map = new FuncParams(Q_OPTIONS, info).parse(opt);

    final byte[] f = map.get(FORMAT);
    final String format = f != null ? string(lc(f)) : "zip";
    final ArchiveOut out = ArchiveOut.get(format, info);
    // check algorithm
    final byte[] alg = map.get(ALGORITHM);
    int level = ZipEntry.DEFLATED;
    if (alg != null) {
      if (format.equals("zip") && !eq(alg, STORED, DEFLATE)
          || format.equals("gzip") && !eq(alg, DEFLATE)) {
        ARCH_SUPP.thrw(info, ALGORITHM, alg);
      }
      if (eq(alg, STORED)) level = ZipEntry.STORED;
      else if (eq(alg, DEFLATE)) level = ZipEntry.DEFLATED;
    }
    out.level(level);

    try {
      int e = 0;
      int c = 0;
      Item en, cn;
      while (true) {
        en = entr.next();
        cn = cont.next();
        if (en == null || cn == null) break;
        if (out instanceof GZIPOut && c > 0)
          ARCH_ONE.thrw(info, format.toUpperCase(Locale.ENGLISH));
        add(checkElmStr(en), cn, out, level);
        e++;
        c++;
      }
      // count remaining entries
      if (cn != null) do c++; while (cont.next() != null);
      if (en != null) do e++; while (entr.next() != null);
      if (e != c) throw ARCH_DIFF.thrw(info, e, c);
    } catch (final IOException ex) {
      Util.debug(ex);
      throw ARCH_FAIL.thrw(info, ex);
    } finally {
      out.close();
    }
    return new B64(out.toArray());
  }
Пример #8
0
  /**
   * Updates an archive.
   *
   * @param ctx query context
   * @return updated archive
   * @throws QueryException query exception
   */
  private B64 update(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    // entries to be updated
    final TokenObjMap<Item[]> hm = new TokenObjMap<Item[]>();

    final Iter entr = ctx.iter(expr[1]);
    final Iter cont = ctx.iter(expr[2]);
    int e = 0;
    int c = 0;
    Item en, cn;
    while (true) {
      en = entr.next();
      cn = cont.next();
      if (en == null || cn == null) break;
      hm.add(checkElmStr(en).string(info), new Item[] {en, cn});
      e++;
      c++;
    }
    // count remaining entries
    if (cn != null) do c++; while (cont.next() != null);
    if (en != null) do e++; while (entr.next() != null);
    if (e != c) ARCH_DIFF.thrw(info, e, c);

    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    final ArchiveOut out = ArchiveOut.get(in.format(), info);
    try {
      if (in instanceof GZIPIn) ARCH_MODIFY.thrw(info, in.format().toUpperCase(Locale.ENGLISH));
      // delete entries to be updated
      while (in.more()) if (!hm.contains(token(in.entry().getName()))) out.write(in);
      // add new and updated entries
      for (final byte[] h : hm) {
        if (h == null) continue;
        final Item[] it = hm.get(h);
        add(it[0], it[1], out, ZipEntry.DEFLATED);
      }
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
      out.close();
    }
    return new B64(out.toArray());
  }
Пример #9
0
  /**
   * Refreshes the view after a file has been saved.
   *
   * @param root root directory
   * @param ctx database context
   * @throws InterruptedException interruption
   */
  void parse(final IOFile root, final Context ctx) throws InterruptedException {
    final long id = ++parseId;
    final HashSet<String> parsed = new HashSet<>();
    final TreeMap<String, InputInfo> errs = new TreeMap<>();

    // collect files to be parsed
    final ProjectCache pc = cache(root);
    final StringList mods = new StringList(), lmods = new StringList();
    for (final String path : pc) {
      final IOFile file = new IOFile(path);
      if (file.hasSuffix(IO.XQSUFFIXES)) (file.hasSuffix(IO.XQMSUFFIX) ? lmods : mods).add(path);
    }
    mods.add(lmods);

    // parse modules
    for (final String path : mods) {
      if (id != parseId) throw new InterruptedException();
      if (parsed.contains(path)) continue;

      final IOFile file = new IOFile(path);
      try (final TextInput ti = new TextInput(file)) {
        // parse query
        try (final QueryContext qc = new QueryContext(ctx)) {
          final String input = ti.cache().toString();
          final boolean lib = QueryProcessor.isLibrary(input);
          qc.parse(input, lib, path, null);
          // parsing was successful: remember path
          parsed.add(path);
          for (final byte[] mod : qc.modParsed) parsed.add(Token.string(mod));
        } catch (final QueryException ex) {
          // parsing failed: remember path
          final InputInfo ii = ex.info();
          errs.put(path, ii);
          parsed.add(ii.path());
        }
      } catch (final IOException ex) {
        // file may not be accessible
        Util.debug(ex);
      }
    }
    errors = errs;
  }
Пример #10
0
  /**
   * Deletes files from an archive.
   *
   * @param ctx query context
   * @return updated archive
   * @throws QueryException query exception
   */
  private B64 delete(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);
    // entries to be deleted
    final TokenObjMap<Item[]> hm = new TokenObjMap<Item[]>();
    final Iter names = ctx.iter(expr[1]);
    for (Item en; (en = names.next()) != null; ) {
      hm.add(checkElmStr(en).string(info), null);
    }

    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    final ArchiveOut out = ArchiveOut.get(in.format(), info);
    try {
      if (in instanceof GZIPIn) ARCH_MODIFY.thrw(info, in.format().toUpperCase(Locale.ENGLISH));
      while (in.more()) if (!hm.contains(token(in.entry().getName()))) out.write(in);
    } catch (final IOException ex) {
      Util.debug(ex);
      ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
      out.close();
    }
    return new B64(out.toArray());
  }