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 * file_help.c -- tutorial import and export filters for hnb
 * Copyright (C) 2001-2003 Øyvind Kolås <pippin@users.sourceforge.net>
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2, or (at your option) any later
 * version.
 * This program 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 General Public License for
 * more details.
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include <config.h>

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "cli.h"
#include "tree.h"
#include "file.h"
#include "query.h"
#include "util_string.h"

/* *INDENT-OFF* */

static char *helpquote[]={
      "\"", "\\\\",
      "\"", "\\\"",NULL

/* *INDENT-ON* */

static int export_help (int argc, char **argv, void *data)
      Node *node = (Node *) data;
      char *filename = argc==2?argv[1]:"";
      Node *tnode;
      int level, flags, startlevel, lastlevel, cnt;
      char *cdata;
      FILE *file;

      file = fopen (filename, "w");
      if (!file) {
            cli_outfunf ("help export, unable to open \"%s\"", filename);

            return (int) node;
      startlevel = nodes_left (node);

      tnode = node;
      lastlevel = 0;
      fprintf (file,
                   "#define i(a,b,c) do{Node *tnode=node_new();node_set(tnode,TEXT,b);node_setflags(tnode,c);import_node(&ist,a,tnode);}while(0)\n\n");
      while ((tnode != 0) & (nodes_left (tnode) >= startlevel)) {
            char *quoted;
            level = nodes_left (tnode) - startlevel;
            flags = node_getflags (tnode);
            cdata = fixnullstring (node_get (tnode, TEXT));


            for (cnt = 0; cnt < level; cnt++)
                  fprintf (file, "\t");

            fprintf (file, "i(%i,\"%s\",%i);\n", level, quoted,

            lastlevel = level;
            tnode = node_recurse (tnode);
      level = 0;

      fclose (file);

      cli_outfunf ("help export, wrote data to \"%s\"", filename);
      return (int) node;

static int import_help (int argc, char **argv, void *data)
      Node *node = (Node *) data;
      import_state_t ist;

      init_import (&ist, node);
#include "tutorial.inc"

      if (node_getflag (node, F_temp))
            node = node_remove (node);

      return (int) (node);

void init_file_help ()
      cli_add_command ("export_help", export_help, "<filename>");
      cli_add_command ("import_help", import_help, "<filename>");

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