/*-
 * DBSQL - A SQL database engine.
 *
 * Copyright (C) 2007  DBSQL Group, Inc - All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * There are special exceptions to the terms and conditions of the GPL as it
 * is applied to this software. View the full text of the exception in file
 * LICENSE_EXCEPTIONS in the directory of this software distribution.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * http://creativecommons.org/licenses/GPL/2.0/
 *
 * $Id: api.c 7 2007-02-03 13:34:17Z gburd $
 */

/*
 * A TCL Shell, dbsql_tclsh, for testing DBSQL.
 */

#include <dbsql.h>
#include <dbsql_config.h>
#include <dbsql_int.h>

#include <tcl.h>

#include <stdlib.h>
#include <string.h>

static char main_loop[] =
  "set line {}\n"
  "while {![eof stdin]} {\n"
    "if {$line!=\"\"} {\n"
      "puts -nonewline \"> \"\n"
    "} else {\n"
      "puts -nonewline \"% \"\n"
    "}\n"
    "flush stdout\n"
    "append line [gets stdin]\n"
    "if {[info complete $line]} {\n"
      "if {[catch {uplevel #0 $line} result]} {\n"
        "puts stderr \"Error: $result\"\n"
      "} elseif {$result!=\"\"} {\n"
        "puts $result\n"
      "}\n"
      "set line {}\n"
    "} else {\n"
      "append line \\n\n"
    "}\n"
  "}\n"
;

/*
 * main --
 */
int
main(argc, argv)
	int argc;
	char **argv;
{
	int i;
	const char *info;
	Tcl_Interp *interp;
	Tcl_FindExecutable(argv[0]);
	interp = Tcl_CreateInterp();
	dbsql_init_tcl_interface(interp);
#ifdef CONFIG_TEST
	extern int __testset_1_init(Tcl_Interp*);
	extern int __testset_4_init(Tcl_Interp*);
	extern int __testset_MD5_init(Tcl_Interp*);
	__testset_1_init(interp);
	__testset_4_init(interp);
	__testset_MD5_init(interp);
#endif
	if (argc >= 2) {
		Tcl_SetVar(interp, "argv0", argv[1], TCL_GLOBAL_ONLY);
		Tcl_SetVar(interp, "argv", "", TCL_GLOBAL_ONLY);
		for (i = 2; i < argc; i++) {
			Tcl_SetVar(interp, "argv", argv[i],
				   TCL_GLOBAL_ONLY | TCL_LIST_ELEMENT |
				   TCL_APPEND_VALUE);
		}
		if (Tcl_EvalFile(interp, argv[1]) != TCL_OK) {
			info = Tcl_GetVar(interp, "errorInfo",
					  TCL_GLOBAL_ONLY);
			if (info == 0)
				info = interp->result;
			fprintf(stderr, "%s: %s\n", *argv, info);
			return 1;
		}
	} else {
		Tcl_GlobalEval(interp, main_loop);
	}
	return 0;
}