int main(int argc, char **argv) {

    xmlInitMemory();

    if (argc == 1) {
	int ret;
	xmlAutomataPtr am;
	xmlAutomataStatePtr start, cur;
	xmlRegexpPtr regexp;
	xmlRegExecCtxtPtr exec;

	am = xmlNewAutomata();
	start = xmlAutomataGetInitState(am);

	
	cur = xmlAutomataNewTransition(am, start, NULL, BAD_CAST"a", NULL);
	xmlAutomataNewTransition(am, cur, cur, BAD_CAST"b", NULL);
	xmlAutomataNewTransition(am, cur, cur, BAD_CAST"a", NULL);
	cur = xmlAutomataNewCountTrans(am, cur, NULL, BAD_CAST"a", 2, 3, NULL);
	xmlAutomataSetFinalState(am, cur);

	
	regexp = xmlAutomataCompile(am);
	xmlFreeAutomata(am);

	
	xmlRegexpPrint(stdout, regexp);
	exec = xmlRegNewExecCtxt(regexp, NULL, NULL);
	ret = xmlRegExecPushString(exec, BAD_CAST"a", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	ret =xmlRegExecPushString(exec, BAD_CAST"a", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	ret =xmlRegExecPushString(exec, BAD_CAST"b", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	ret =xmlRegExecPushString(exec, BAD_CAST"a", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	ret =xmlRegExecPushString(exec, BAD_CAST"a", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	ret =xmlRegExecPushString(exec, BAD_CAST"a", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	ret =xmlRegExecPushString(exec, BAD_CAST"a", NULL);
	if (ret == 1)
	    printf("final\n");
	else if (ret < 0)
	    printf("error\n");
	if (ret == 0) {
	    ret = xmlRegExecPushString(exec, NULL, NULL);
	    if (ret == 1)
		printf("final\n");
	    else if (ret < 0)
		printf("error\n");
	}
	xmlRegFreeExecCtxt(exec);

	
	xmlRegFreeRegexp(regexp);
    } else {
	int i;

	for (i = 1;i < argc;i++)
	    testRegexpFile(argv[i]);
    }

    xmlCleanupParser();
    xmlMemoryDump();
    return(0);
}
int main(int argc, char **argv) {
    xmlRegexpPtr comp = NULL;
#ifdef LIBXML_EXPR_ENABLED
    xmlExpNodePtr expr = NULL;
    int use_exp = 0;
    xmlExpCtxtPtr ctxt = NULL;
#endif
    const char *pattern = NULL;
    char *filename = NULL;
    int i;

    xmlInitMemory();

    if (argc <= 1) {
	usage(argv[0]);
	return(1);
    }
    for (i = 1; i < argc ; i++) {
	if (!strcmp(argv[i], "-"))
	    break;

	if (argv[i][0] != '-')
	    continue;
	if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug"))) {
	    debug++;
	} else if ((!strcmp(argv[i], "-repeat")) ||
	         (!strcmp(argv[i], "--repeat"))) {
	    repeat++;
#ifdef LIBXML_EXPR_ENABLED
	} else if ((!strcmp(argv[i], "-expr")) ||
	         (!strcmp(argv[i], "--expr"))) {
	    use_exp++;
#endif
	} else if ((!strcmp(argv[i], "-i")) || (!strcmp(argv[i], "-f")) ||
		   (!strcmp(argv[i], "--input")))
	    filename = argv[++i];
        else {
	    fprintf(stderr, "Unknown option %s\n", argv[i]);
	    usage(argv[0]);
	}
    }

#ifdef LIBXML_EXPR_ENABLED
    if (use_exp)
	ctxt = xmlExpNewCtxt(0, NULL);
#endif

    if (filename != NULL) {
#ifdef LIBXML_EXPR_ENABLED
        if (use_exp)
	    runFileTest(ctxt, filename);
	else
#endif
	    testRegexpFile(filename);
    } else {
#ifdef LIBXML_EXPR_ENABLED
        if (use_exp) {
	    for (i = 1; i < argc ; i++) {
		if ((argv[i][0] != '-') || (strcmp(argv[i], "-") == 0)) {
		    if (pattern == NULL) {
			pattern = argv[i];
			printf("Testing expr %s:\n", pattern);
			expr = xmlExpParse(ctxt, pattern);
			if (expr == NULL) {
			    printf("   failed to compile\n");
			    break;
			}
			if (debug) {
			    exprDebug(ctxt, expr);
			}
		    } else {
			testReduce(ctxt, expr, argv[i]);
		    }
		}
	    }
	    if (expr != NULL)
		xmlExpFree(ctxt, expr);
	} else
#endif
        {
	    for (i = 1; i < argc ; i++) {
		if ((argv[i][0] != '-') || (strcmp(argv[i], "-") == 0)) {
		    if (pattern == NULL) {
			pattern = argv[i];
			printf("Testing %s:\n", pattern);
			comp = xmlRegexpCompile((const xmlChar *) pattern);
			if (comp == NULL) {
			    printf("   failed to compile\n");
			    break;
			}
			if (debug)
			    xmlRegexpPrint(stdout, comp);
		    } else {
			testRegexp(comp, argv[i]);
		    }
		}
	    }
	    if (comp != NULL)
		xmlRegFreeRegexp(comp);
        }
    }
#ifdef LIBXML_EXPR_ENABLED
    if (ctxt != NULL) {
	printf("Ops: %d nodes, %d cons\n",
	       xmlExpCtxtNbNodes(ctxt), xmlExpCtxtNbCons(ctxt));
	xmlExpFreeCtxt(ctxt);
    }
#endif
    xmlCleanupParser();
    xmlMemoryDump();
    return(0);
}