/** * Checks the specified template and adds a variable. * * @param tmp template string * @param type allowed type * @param declared variable declaration flags * @return resulting variable * @throws QueryException query exception */ private QNm checkVariable(final String tmp, final Type type, final boolean[] declared) throws QueryException { final Var[] args = function.args; final Matcher m = TEMPLATE.matcher(tmp); if (!m.find()) error(INV_TEMPLATE, tmp); final byte[] vn = token(m.group(1)); if (!XMLToken.isQName(vn)) error(INV_VARNAME, vn); final QNm qnm = new QNm(vn, context); int r = -1; while (++r < args.length && !args[r].name.eq(qnm)) ; if (r == args.length) error(UNKNOWN_VAR, vn); if (declared[r]) error(VAR_ASSIGNED, vn); final SeqType st = args[r].declaredType(); if (args[r].checksType() && !st.type.instanceOf(type)) error(INV_VARTYPE, vn, type); declared[r] = true; return qnm; }
/** * Checks if the specified XQuery string is a library module. * * @param qu query string * @return result of check */ public static boolean isLibrary(final String qu) { return LIBMOD_PATTERN.matcher(removeComments(qu, 80)).matches(); }
/** * Binds the annotated variables. * * @param http http context * @param arg argument array * @throws QueryException query exception * @throws IOException I/O exception */ void bind(final HTTPContext http, final Expr[] arg) throws QueryException, IOException { // bind variables from segments for (int s = 0; s < path.size; s++) { final Matcher m = TEMPLATE.matcher(path.segment[s]); if (!m.find()) continue; final QNm qnm = new QNm(token(m.group(1)), context); bind(qnm, arg, new Atm(http.segment(s))); } // cache request body final String ct = http.contentType(); IOContent body = null; if (requestBody != null) { body = cache(http, null); try { // bind request body in the correct format body.name(http.method + IO.XMLSUFFIX); bind(requestBody, arg, Parser.item(body, context.context.prop, ct)); } catch (final IOException ex) { error(INPUT_CONV, ex); } } // bind query parameters final Map<String, String[]> params = http.params(); for (final RestXqParam rxp : queryParams) bind(rxp, arg, params.get(rxp.key)); // bind form parameters if (!formParams.isEmpty()) { if (MimeTypes.APP_FORM.equals(ct)) { // convert parameters encoded in a form body = cache(http, body); addParams(body.toString(), params); } for (final RestXqParam rxp : formParams) bind(rxp, arg, params.get(rxp.key)); } // bind header parameters for (final RestXqParam rxp : headerParams) { final StringList sl = new StringList(); final Enumeration<?> en = http.req.getHeaders(rxp.key); while (en.hasMoreElements()) { for (final String s : en.nextElement().toString().split(", *")) sl.add(s); } bind(rxp, arg, sl.toArray()); } // bind cookie parameters final Cookie[] ck = http.req.getCookies(); for (final RestXqParam rxp : cookieParams) { String v = null; if (ck != null) { for (final Cookie c : ck) { if (rxp.key.equals(c.getName())) v = c.getValue(); } } if (v == null) bind(rxp, arg); else bind(rxp, arg, v); } }