/*
 * 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]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2000-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * 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);
}