docstore.c

来自「ftam等标准协议服务器和客户端的源代码。」· C语言 代码 · 共 244 行

/* docstore.c - documentStore syntax */

#ifndef	lint
static char *rcsid = "$Header: /xtel/isode/isode/dsap/common/RCS/docstore.c,v 9.0 1992/06/16 12:12:39 isode Rel $";
#endif

/* 
 * $Header: /xtel/isode/isode/dsap/common/RCS/docstore.c,v 9.0 1992/06/16 12:12:39 isode Rel $
 *
 *
 * $Log: docstore.c,v $
 * Revision 9.0  1992/06/16  12:12:39  isode
 * Release 8.0
 *
 */

/*
 *				  NOTICE
 *
 *    Acquisition, use, and distribution of this module and related
 *    materials are subject to the restrictions of a license agreement.
 *    Consult the Preface in the User's Manual for the full terms of
 *    this agreement.
 *
 */


/*
	documentStoreSyntax ATTRIBUTE-SYNTAX
	    SEQUENCE {
	        method
		    INTEGER { ftp(0), ftam(1) },

	        textEncodedHostName
		    IA5String,

	        directoryName[0]
		    IA5String
		    OPTIONAL,

	        fileFsName
		    IA5String
	    }
	    MATCHES FOR EQUALITY


	SYNTAX:
		documentStore ::= [ "ftp" | "ftam" ]
					`$' <IA5String>
				      [ `$' <IA5String> ]
					`$' <IA5String>

	EXAMPLE:
		ftp $ nic.ddn.mil $ rfc: $ %s.txt
*/

/* LINTLIBRARY */

#include "quipu/util.h"
#include "quipu/entry.h"
#include "quipu/syntaxes.h"


static	documentStore_free (a)
struct documentStore *a;
{
    if (!a)
	return;

    if (a -> ds_host)
	free (a -> ds_host);
    if (a -> ds_dir)
	free (a -> ds_dir);
    if (a -> ds_file)
	free (a -> ds_file);

    free ((char *) a);
}


static	struct documentStore *documentStore_cpy (a)
struct documentStore *a;
{
    struct documentStore *b;

    b = (struct documentStore *) smalloc (sizeof *b);
    bzero ((char *) b, sizeof *b);

    b -> ds_method = a -> ds_method;
    b -> ds_host = strdup (a -> ds_host);
    if (a -> ds_dir)
	b -> ds_dir = strdup (a -> ds_dir);
    b -> ds_file = strdup (a -> ds_file);

    return b;
}


static	documentStore_cmp (a, b)
struct documentStore *a;
struct documentStore *b;
{
    int	    res;

    if (!a)
	return (b ? (-1) : 0);
    else
	if (!b)
	    return 1;

    if (res = b -> ds_method - a -> ds_method)
	return (res > 0 ? 1 : -1);
    return lexequ (a -> ds_host, b -> ds_host);
}


static	documentStore_print (ps, a, format)
PS	ps;
struct documentStore *a;
int	format;
{
    if (format == READOUT) {
	ps_printf (ps, "use %s to %s and get %s",
		   a -> ds_method ? "ftam" : "ftp", a -> ds_host,
		   a -> ds_file);
	if (a -> ds_dir)
	    ps_printf (ps, " (look under %s)", a -> ds_dir);
    }
    else
	ps_printf (ps, "%s $ %s $ %s $ %s",
		   a -> ds_method ? "ftam" : "ftp", a -> ds_host,
		   a -> ds_dir ? a -> ds_dir : "", a -> ds_file);
}


static	struct documentStore *str2documentStore (str)
char   *str;
{
    int	    method;
    char   *d1,
	   *d2,
           *d3,
	   *ptr;
    struct documentStore *a;

    if ((d1 = index (str, '$')) == NULL
	    || (d2 = index (d1 + 1, '$')) == NULL) {
	parse_error ("seperator missing in documentStore '%s'",str);
	return NULL;
    }
    *d1 = NULL;

    for (ptr = str + strlen (str) - 1; ptr >= str && isspace (*ptr); ptr--)
	    continue;
    *++ptr = NULL;

    if (lexequ (str, "ftp") == 0)
	method = DS_FTP;
    else
	if (lexequ (str, "ftam") == 0)
	    method = DS_FTAM;
        else
	    method = DS_UNK;

    *d1 = '$';
    if (ptr != d1)
	*ptr = ' ';

    if (method == DS_UNK) {
	parse_error ("unknown method in documentStore '%s'",str);
	return NULL;
    }

    a = (struct documentStore *) smalloc (sizeof *a);
    bzero ((char *) a, sizeof *a);
    a -> ds_method = method;

    *d2 = NULL;
    a -> ds_host = strdup (SkipSpace (d1 + 1));
    *d2 = '$';

    if (d3 = index (d2 + 1, '$')) {
	*d3 = NULL;
	a -> ds_dir = strdup (SkipSpace (d2 + 1));
	*d3 = '$';

	a -> ds_file = strdup (SkipSpace (d3 + 1));
    }
    else
	a -> ds_file = strdup (SkipSpace (d2 + 1));

    d1 = a -> ds_host;
    for (ptr = d1 + strlen (d1) - 1; ptr >= d1 && isspace (*ptr); ptr--)
	continue;
    *++ptr = NULL;

    if (d1 = a -> ds_dir) {
	for (ptr = d1 + strlen (d1) - 1; ptr >= d1 && isspace (*ptr); ptr--)
	    continue;
	*++ptr = NULL;
    }

    d1 = a -> ds_file;
    for (ptr = d1 + strlen (d1) - 1; ptr >= d1 && isspace (*ptr); ptr--)
	continue;
    *++ptr = NULL;

    return a;
}

static	PE documentStore_enc (a)
struct documentStore *a;
{
    PE	    pe;

    (void) encode_Thorn_DocumentStoreSyntax (&pe, 0, 0, NULLCP, a);

    return pe;
}

static struct documentStore *documentStore_dec (pe)
PE	pe;
{
    struct documentStore *a;

    if (decode_Thorn_DocumentStoreSyntax (pe, 1, NULLIP, NULLVP, &a) == NOTOK)
	return NULL;

    return a;
}

documentStore_syntax ()
{
    (void) add_attribute_syntax ("documentStoreSyntax",
				 (IFP) documentStore_enc,
				 (IFP) documentStore_dec,
				 (IFP) str2documentStore,
				 documentStore_print,
				 (IFP) documentStore_cpy,
				 documentStore_cmp,
				 documentStore_free,
				 NULLCP, NULLIFP, TRUE);
}