Exemple #1
1
  int process(CharSequence org, int index, char begin, char end, StringBuilder result, Link link) {
    StringBuilder line = new StringBuilder(org);
    int nesting = 1;

    StringBuilder variable = new StringBuilder();
    outer:
    while (index < line.length()) {
      char c1 = line.charAt(index++);
      if (c1 == end) {
        if (--nesting == 0) {
          result.append(replace(variable.toString(), link));
          return index;
        }
      } else if (c1 == begin) nesting++;
      else if (c1 == '\\' && index < line.length() - 1 && line.charAt(index) == '$') {
        // remove the escape backslash and interpret the dollar
        // as a
        // literal
        index++;
        variable.append('$');
        continue outer;
      } else if (c1 == '$' && index < line.length() - 2) {
        char c2 = line.charAt(index);
        char terminator = getTerminator(c2);
        if (terminator != 0) {
          index = process(line, index + 1, c2, terminator, variable, link);
          continue outer;
        }
      } else if (c1 == '.' && index < line.length() && line.charAt(index) == '/') {
        // Found the sequence ./
        if (index == 1 || Character.isWhitespace(line.charAt(index - 2))) {
          // make sure it is preceded by whitespace or starts at begin
          index++;
          variable.append(domain.getBase().getAbsolutePath());
          variable.append('/');
          continue outer;
        }
      }
      variable.append(c1);
    }
    result.append(variable);
    return index;
  }
Exemple #2
0
  /**
   * System command. Execute a command and insert the result.
   *
   * @param args
   * @param help
   * @param patterns
   * @param low
   * @param high
   */
  public String system_internal(boolean allowFail, String args[]) throws Exception {
    verifyCommand(
        args,
        "${"
            + (allowFail ? "system-allow-fail" : "system")
            + ";<command>[;<in>]}, execute a system command",
        null,
        2,
        3);
    String command = args[1];
    String input = null;

    if (args.length > 2) {
      input = args[2];
    }

    Process process = Runtime.getRuntime().exec(command, null, domain.getBase());
    if (input != null) {
      process.getOutputStream().write(input.getBytes("UTF-8"));
    }
    process.getOutputStream().close();

    String s = IO.collect(process.getInputStream(), "UTF-8");
    int exitValue = process.waitFor();
    if (exitValue != 0) return exitValue + "";

    if (!allowFail && (exitValue != 0)) {
      domain.error("System command " + command + " failed with " + exitValue);
    }
    return s.trim();
  }