/** * Removes comments from the specified string and returns the first characters of a query. * * @param qu query string * @param max maximum length of string to return * @return result */ public static String removeComments(final String qu, final int max) { final StringBuilder sb = new StringBuilder(); int m = 0; boolean s = false; final int cl = qu.length(); for (int c = 0; c < cl && sb.length() < max; ++c) { final char ch = qu.charAt(c); if (ch == 0x0d) continue; if (ch == '(' && c + 1 < cl && qu.charAt(c + 1) == ':') { if (m == 0 && !s) { sb.append(' '); s = true; } ++m; ++c; } else if (m != 0 && ch == ':' && c + 1 < cl && qu.charAt(c + 1) == ')') { --m; ++c; } else if (m == 0) { if (ch > ' ') sb.append(ch); else if (!s) sb.append(' '); s = ch <= ' '; } } if (sb.length() >= max) sb.append("..."); return sb.toString().trim(); }
@Override public String getHeaderField(final String field) { final List<String> values = headers.get(field); final StringBuilder sb = new StringBuilder(); for (final String v : values) sb.append(v).append(';'); return sb.substring(0, sb.length() - 1); }
/** * Returns a map with variable bindings. * * @param opts main options * @return bindings */ public static HashMap<String, String> bindings(final MainOptions opts) { final HashMap<String, String> bindings = new HashMap<>(); final String bind = opts.get(MainOptions.BINDINGS).trim(); final StringBuilder key = new StringBuilder(); final StringBuilder val = new StringBuilder(); boolean first = true; final int sl = bind.length(); for (int s = 0; s < sl; s++) { final char ch = bind.charAt(s); if (first) { if (ch == '=') { first = false; } else { key.append(ch); } } else { if (ch == ',') { if (s + 1 == sl || bind.charAt(s + 1) != ',') { bindings.put(key.toString().trim(), val.toString()); key.setLength(0); val.setLength(0); first = true; continue; } // literal commas are escaped by a second comma s++; } val.append(ch); } } if (key.length() != 0) bindings.put(key.toString().trim(), val.toString()); return bindings; }
/** * Returns a string representation of all found arguments. * * @param args array with arguments * @return string representation */ static String foundArgs(final Value[] args) { // compose found arguments final StringBuilder sb = new StringBuilder(); for (final Value v : args) { if (sb.length() != 0) sb.append(", "); sb.append(v instanceof Jav ? Util.className(((Jav) v).toJava()) : v.seqType()); } return sb.toString(); }
@Override public final String toString() { final StringBuilder sb = new StringBuilder(); if (root != null) sb.append(root); for (final Expr s : steps) { if (sb.length() != 0) sb.append(s instanceof Bang ? " ! " : "/"); sb.append(s); } return sb.toString(); }
/** * Splits the string and returns an array. * * @param str string to be split * @return array */ private static String[] split(final String str) { final int l = str.length(); final String[] split = new String[l]; int s = 0; char delim = 0; final StringBuilder sb = new StringBuilder(); for (int i = 0; i < l; ++i) { final char c = str.charAt(i); if (delim == 0) { if (c == '\'' || c == '"') { delim = c; } else if (!XMLToken.isChar(c) && c != '@' && c != '=' && c != '<' && c != '>' && c != '~') { if (sb.length() != 0) { split[s++] = sb.toString(); sb.setLength(0); } } else { sb.append(c); } } else { if (c == delim) { delim = 0; if (sb.length() != 0) { split[s++] = sb.toString(); sb.setLength(0); } } else { if (c != '\'' && c != '"') sb.append(c); } } } if (sb.length() != 0) split[s++] = sb.toString(); return Array.copyOf(split, s); }
@Override public void action(final Object cmp) { final StringBuilder bind = new StringBuilder(); final int cl = context.length; for (int c = 0; c < cl; c += 2) { final String key = context[c].getText().replaceAll("^\\$", ""); if (key.isEmpty()) continue; if (bind.length() != 0) bind.append(','); bind.append(key.replaceAll(",", ",,")).append('='); bind.append(context[c + 1].getText().replaceAll(",", ",,")); } gui.context.options.set(MainOptions.BINDINGS, bind.toString()); }
/** Tests the internal parser (Option {@link MainOptions#INTPARSE}). */ @Test public void intParse() { set(MainOptions.CHOP, false); final StringBuilder sb = new StringBuilder(); final String[] docs = { "<x/>", " <x/> ", "<x></x>", "<x>A</x>", "<x><x>", "<x/><x/>", "<x></x><x/>", "<x>", "</x>", "<x></x></x>", "x<x>", "<x>x", "<x><![CDATA[ ]]></x>", }; for (final String doc : docs) { // parse document with default parser (expected to yield correct result) set(MainOptions.INTPARSE, false); boolean def = true; try { new CreateDB(NAME, doc).execute(context); } catch (final BaseXException ex) { def = false; } // parse document with internal parser set(MainOptions.INTPARSE, true); boolean cust = true; try { new CreateDB(NAME, doc).execute(context); } catch (final BaseXException ex) { cust = false; } // compare results if (def != cust) { sb.append('\n').append(def ? "- not accepted: " : "- not rejected: ").append(doc); } } // list all errors if (sb.length() != 0) fail(sb.toString()); set(MainOptions.MAINMEM, false); }
/** * Parses and returns a string result. * * @param input input string or {@code null} if invalid * @param cmd referring command; if specified, the result must not be empty * @return string result or {@code null} * @throws QueryException query exception */ private String finish(final StringBuilder input, final Cmd cmd) throws QueryException { if (input != null && input.length() != 0) return input.toString(); if (cmd != null) throw help(null, cmd); return null; }
/** * Constructor. * * @param args command-line arguments * @throws IOException I/O exception */ public BaseX(final String... args) throws IOException { super(args); // create session to show optional login request session(); console = true; try { // loop through all commands final StringBuilder bind = new StringBuilder(); SerializerOptions sopts = null; boolean v = false, qi = false, qp = false; final int os = ops.size(); for (int o = 0; o < os; o++) { final int c = ops.get(o); String val = vals.get(o); if (c == 'b') { // set/add variable binding if (bind.length() != 0) bind.append(','); // commas are escaped by a second comma val = bind.append(val.replaceAll(",", ",,")).toString(); execute(new Set(MainOptions.BINDINGS, val), false); } else if (c == 'c') { // evaluate commands final IO io = IO.get(val); String base = "."; if (io.exists() && !io.isDir()) { val = io.string(); base = io.path(); } execute(new Set(MainOptions.QUERYPATH, base), false); execute(val); execute(new Set(MainOptions.QUERYPATH, ""), false); console = false; } else if (c == 'D') { // hidden option: show/hide dot query graph execute(new Set(MainOptions.DOTPLAN, null), false); } else if (c == 'i') { // open database or create main memory representation execute(new Set(MainOptions.MAINMEM, true), false); execute(new Check(val), verbose); execute(new Set(MainOptions.MAINMEM, false), false); } else if (c == 'I') { // set/add variable binding if (bind.length() != 0) bind.append(','); // commas are escaped by a second comma val = bind.append("=").append(val.replaceAll(",", ",,")).toString(); execute(new Set(MainOptions.BINDINGS, val), false); } else if (c == 'o') { // change output stream if (out != System.out) out.close(); out = new PrintOutput(val); session().setOutputStream(out); } else if (c == 'q') { // evaluate query execute(new XQuery(val), verbose); console = false; } else if (c == 'Q') { // evaluate file contents or string as query final IO io = IO.get(val); String base = "."; if (io.exists() && !io.isDir()) { val = io.string(); base = io.path(); } execute(new Set(MainOptions.QUERYPATH, base), false); execute(new XQuery(val), verbose); execute(new Set(MainOptions.QUERYPATH, ""), false); console = false; } else if (c == 'r') { // parse number of runs execute(new Set(MainOptions.RUNS, Strings.toInt(val)), false); } else if (c == 'R') { // toggle query evaluation execute(new Set(MainOptions.RUNQUERY, null), false); } else if (c == 's') { // set/add serialization parameter if (sopts == null) sopts = new SerializerOptions(); final String[] kv = val.split("=", 2); sopts.assign(kv[0], kv.length > 1 ? kv[1] : ""); execute(new Set(MainOptions.SERIALIZER, sopts), false); } else if (c == 't') { // evaluate query execute(new Test(val), verbose); console = false; } else if (c == 'u') { // (de)activate write-back for updates execute(new Set(MainOptions.WRITEBACK, null), false); } else if (c == 'v') { // show/hide verbose mode v ^= true; } else if (c == 'V') { // show/hide query info qi ^= true; execute(new Set(MainOptions.QUERYINFO, null), false); } else if (c == 'w') { // toggle chopping of whitespaces execute(new Set(MainOptions.CHOP, null), false); } else if (c == 'x') { // show/hide xml query plan execute(new Set(MainOptions.XMLPLAN, null), false); qp ^= true; } else if (c == 'X') { // show query plan before/after query compilation execute(new Set(MainOptions.COMPPLAN, null), false); } else if (c == 'z') { // toggle result serialization execute(new Set(MainOptions.SERIALIZE, null), false); } verbose = qi || qp || v; } if (console) console(); } finally { quit(); } }