/* ==================================================================

    FILE: "/home/joze/src/tclreadline/tclreadline.c"
    LAST MODIFICATION: "Sun Aug 22 21:26:05 1999 (joze)"
    LAST MODIFICATION: "Tue Aug 24 03:11:24 1999 (joze)"
    (C) 1998, 1999 by Johannes Zellner, <johannes@zellner.org>
    $Id$
    ---

    tclreadline -- gnu readline for tcl
    Copyright (C) 1999  Johannes Zellner

    tclrl_interp = interp;
    return Tcl_PkgProvide(interp, "tclreadline", TCLREADLINE_VERSION);
}

char*
TclReadlineInitialize(char* historyfile)
{

    rl_readline_name = "tclreadline";
    /* rl_special_prefixes = "${\""; */
    rl_special_prefixes = "${";
    using_history();
    /**
     * default is " \t\n\"\\'`@$><=;|&{("
     * removed "{(.
     * removed "{("
     * added "[]}"
     */
    rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&";
    rl_basic_word_break_characters = " \t\n\"\\'`@$><=;|&[]}";
    /* rl_completer_quote_characters = "\""; */

    using_history();
    if (!tclrl_eof_string)
        tclrl_eof_string = strdup("puts {}; exit");

    /*
     * try to read historyfile in home
     * directory. If this failes, this
     * is *not* an error.

        int objc;
        char* quoted_text = TclReadlineQuote(text, "$[]{}\"");
        char* quoted_rl_line_buffer
            = TclReadlineQuote(rl_line_buffer, "$[]{}\"");
        /*
        fprintf (stderr, "(TclReadlineCompletion) rl_line_buffer = |%s|\n",
            rl_line_buffer);
        fprintf (stderr, "(TclReadlineCompletion) quoted_rl_line_buffer = |%s|\n",
            quoted_rl_line_buffer);
        fprintf (stderr, "(TclReadlineCompletion) text = |%s|\n", text);
        fprintf (stderr, "(TclReadlineCompletion) quoted_text = |%s|\n",
            quoted_text);
        fprintf (stderr, "(TclReadlineCompletion) quoted_rl_line_buffer = |%s|\n",
            quoted_rl_line_buffer);
        */
        sprintf(start_s, "%d", start);
        sprintf(end_s, "%d", end);
        Tcl_ResetResult(tclrl_interp); /* clear result space */
        tclrl_state = Tcl_VarEval(tclrl_interp, tclrl_custom_completer,
            " \"", quoted_text, "\" ", start_s, " ", end_s,
            " \"", quoted_rl_line_buffer, "\"", (char*) NULL);