/*

  Meanwhile - Unofficial Lotus Sametime Community Client Library

  Copyright (C) 2004  Christopher (siege) O'Brien

  This library is free software; you can redistribute it and/or

  modify it under the terms of the GNU Library General Public

  License as published by the Free Software Foundation; either

  version 2 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public

  License along with this library; if not, write to the Free

  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <glib.h>

#include "mw_debug.h"

#define FRMT1            "%02x"

#define FRMT2            FRMT1 FRMT1 " "

#define FRMT4            FRMT2 FRMT2

#define FRMT8            FRMT4 FRMT4

#define FRMT16           FRMT8 FRMT8

#define ADVANCE(b, n, c)  {b += c; n -= c;}

/** writes hex pairs of buf to str */

static void pretty_print(GString *str, const guchar *buf, gsize len) {

  while(len >= 16) {

    /* write a complete line */

    g_string_append_printf(str, FRMT16,

			   buf[0],  buf[1],  buf[2],  buf[3],

			   buf[4],  buf[5],  buf[6],  buf[7],

			   buf[8],  buf[9],  buf[10], buf[11],

			   buf[12], buf[13], buf[14], buf[15]);

    ADVANCE(buf, len, 16);

    /* append \n to each line but the last */

    if(len) g_string_append(str, "\n");

  }

  /* write an incomplete line */

  if(len >= 8) {

    g_string_append_printf(str, FRMT8,

			   buf[0], buf[1], buf[2], buf[3],

			   buf[4], buf[5], buf[6], buf[7]);

    ADVANCE(buf, len, 8);

  }

  if(len >= 4) {

    g_string_append_printf(str, FRMT4,

			   buf[0], buf[1], buf[2], buf[3]);

    ADVANCE(buf, len, 4);

  }

  if(len >= 2) {

    g_string_append_printf(str, FRMT2, buf[0], buf[1]);

    ADVANCE(buf, len, 2);

  }

  if(len >= 1) {

    g_string_append_printf(str, FRMT1, buf[0]);

    ADVANCE(buf, len, 1);

  }

}

void mw_debug_datav(const guchar *buf, gsize len,

		    const char *msg, va_list args) {

  GString *str;

  g_return_if_fail(buf != NULL || len == 0);

  str = g_string_new(NULL);

  if(msg) {

    char *txt = g_strdup_vprintf(msg, args);

    g_string_append_printf(str, "%s\n", txt);

    g_free(txt);

  }

  pretty_print(str, buf, len);

  g_debug(str->str);

  g_string_free(str, TRUE);

}

void mw_debug_data(const guchar *buf, gsize len,

		   const char *msg, ...) {

  va_list args;

  g_return_if_fail(buf != NULL || len == 0);

  va_start(args, msg);

  mw_debug_datav(buf, len, msg, args);

  va_end(args);

}

void mw_debug_opaquev(struct mwOpaque *o, const char *txt, va_list args) {

  g_return_if_fail(o != NULL);

  mw_debug_datav(o->data, o->len, txt, args);

}

void mw_debug_opaque(struct mwOpaque *o, const char *txt, ...) {

  va_list args;

  g_return_if_fail(o != NULL);

  va_start(args, txt);

  mw_debug_opaquev(o, txt, args);

  va_end(args);

}

void mw_mailme_datav(const guchar *buf, gsize len,

		     const char *info, va_list args) {

#if MW_MAILME

  GString *str;

  char *txt;

  str = g_string_new(MW_MAILME_MESSAGE "\n"

		     "  Please send mail to: " MW_MAILME_ADDRESS "\n"

		     MW_MAILME_CUT_START "\n");

  str = g_string_new(NULL);

  txt = g_strdup_vprintf(info, args);

  g_string_append_printf(str, "%s\n", txt);

  g_free(txt);

  if(buf && len) pretty_print(str, buf, len);

  g_string_append(str, MW_MAILME_CUT_STOP);

  g_debug(str->str);

  g_string_free(str, TRUE);

#else

  mw_debug_datav(buf, len, info, args);

#endif

}

void mw_mailme_data(const guchar *buf, gsize len,

		    const char *info, ...) {

  va_list args;

  va_start(args, info);

  mw_mailme_datav(buf, len, info, args);

  va_end(args);

}

void mw_mailme_opaquev(struct mwOpaque *o, const char *info, va_list args) {

  mw_mailme_datav(o->data, o->len, info, args);

}

void mw_mailme_opaque(struct mwOpaque *o, const char *info, ...) {

  va_list args;

  va_start(args, info);

  mw_mailme_opaquev(o, info, args);

  va_end(args);

}