sort/common/convert.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
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 * CDDL HEADER END
 */
/*
 * Copyright 2000-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * convert
 *   given a sort invocation, convert input files, and display sort collation
 *   vectors to stdout.
 */

#include "main.h"

#define COLLATE_BUFSIZE 4096

static void
convert(sort_t *S)
{
    stream_t *convert_chain = S->m_input_streams;
    stream_t *cur_streamp = convert_chain;
    flag_t coll_flags;
    ssize_t (*coll_convert)(field_t *, line_rec_t *, flag_t, vchar_t);

    coll_convert = S->m_coll_convert;

    if (S->m_field_options & FIELD_REVERSE_COMPARISONS)
        coll_flags = COLL_REVERSE;
    else
        coll_flags = 0;

    if (S->m_entire_line)
        coll_flags |= COLL_UNIQUE;

    while (cur_streamp != NULL) {
        u_longlong_t lineno = 0;

        stream_open_for_read(S, cur_streamp);
        if (cur_streamp->s_status & STREAM_SINGLE ||
            cur_streamp->s_status & STREAM_WIDE)
            stream_set(cur_streamp, STREAM_INSTANT);

        SOP_PRIME(cur_streamp);

        cur_streamp->s_current.l_collate.sp = safe_realloc(NULL,
            COLLATE_BUFSIZE);
        cur_streamp->s_current.l_collate_bufsize = COLLATE_BUFSIZE;

        for (;;) {
            (void) coll_convert(S->m_fields_head,
                &cur_streamp->s_current, FCV_REALLOC,
                S->m_field_separator);

            (void) fprintf(stdout, "(%llu) ", lineno++);
            if (cur_streamp->s_status & STREAM_WIDE)
                (void) fprintf(stdout, "%.*ws\n\n",
                    cur_streamp->s_current.l_data_length,
                    cur_streamp->s_current.l_data.wp);
            else
                (void) fprintf(stdout, "%.*s\n\n",
                    cur_streamp->s_current.l_data_length,
                    cur_streamp->s_current.l_data.usp);
            xdump(stdout, cur_streamp->s_current.l_collate.usp,
                cur_streamp->s_current.l_collate_length,
                cur_streamp->s_status & STREAM_WIDE);
            (void) fprintf(stdout, "\n");

            if (SOP_EOS(cur_streamp))
                break;

            SOP_FETCH(cur_streamp);
        }

        (void) SOP_FREE(cur_streamp);
        (void) SOP_CLOSE(cur_streamp);

        cur_streamp = cur_streamp->s_next;
    }
}

int
main(int argc, char *argv[])
{
    sort_t S;

    initialize_pre(&S);

    if (options(&S, argc, argv))
        return (E_ERROR);

    initialize_post(&S);

    convert(&S);

    return (E_SUCCESS);
}