src/doveadm/doveadm-print-tab.c

/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "array.h"
#include "ostream.h"
#include "doveadm-print-private.h"

struct doveadm_print_tab_context {
    unsigned int header_idx, header_count;

    bool header_written:1;
};

static struct doveadm_print_tab_context ctx;

static void doveadm_print_tab_flush_header(void)
{
    if (!ctx.header_written) {
        if (!doveadm_print_hide_titles)
            o_stream_nsend(doveadm_print_ostream, "\n", 1);
        ctx.header_written = TRUE;
    }
}

static void
doveadm_print_tab_header(const struct doveadm_print_header *hdr)
{
    ctx.header_count++;
    if (!doveadm_print_hide_titles) {
        if (ctx.header_count > 1)
            o_stream_nsend(doveadm_print_ostream, "\t", 1);
        o_stream_nsend_str(doveadm_print_ostream, hdr->title);
    }
}

static void doveadm_print_tab_print(const char *value)
{
    doveadm_print_tab_flush_header();
    if (ctx.header_idx > 0)
        o_stream_nsend(doveadm_print_ostream, "\t", 1);
    o_stream_nsend_str(doveadm_print_ostream, value);

    if (++ctx.header_idx == ctx.header_count) {
        ctx.header_idx = 0;
        o_stream_nsend(doveadm_print_ostream, "\n", 1);
    }
}

static void
doveadm_print_tab_print_stream(const unsigned char *value, size_t size)
{
    if (size == 0) {
        doveadm_print_tab_print("");
        return;
    }
    doveadm_print_tab_flush_header();
    if (ctx.header_idx > 0)
        o_stream_nsend(doveadm_print_ostream, "\t", 1);
    o_stream_nsend(doveadm_print_ostream, value, size);
}

static void doveadm_print_tab_flush(void)
{
    doveadm_print_tab_flush_header();
}

struct doveadm_print_vfuncs doveadm_print_tab_vfuncs = {
    "tab",

    NULL,
    NULL,
    doveadm_print_tab_header,
    doveadm_print_tab_print,
    doveadm_print_tab_print_stream,
    doveadm_print_tab_flush
};