/* No, nothing to to with IDE from Apple Inc.
   testbed for ../util/hex-escape.c.

   usage: hex-xcode (e|d) < foo

   e is for encode
   d is for decode
 */

#include "notmuch-client.h"
#include "hex-escape.h"
#include <assert.h>

static int
xcode (void *ctx, char dir, char *in, char **buf_p, size_t *size_p)
{
    hex_status_t status;

    if (dir == 'e')
	status = hex_encode (ctx, in, buf_p, size_p);
    else
	status = hex_decode (ctx, in, buf_p, size_p);

    if (status == HEX_SUCCESS)
	puts (*buf_p);

    return status;
}


int
main (int argc, char **argv)
{

    assert (argc > 1 && argv[1]);

    char dir = argv[1][0];

    void *ctx = talloc_new (NULL);

    char *line = NULL;
    size_t line_size;
    ssize_t line_len;

    char *buffer = NULL;
    size_t buf_size = 0;

    int arg_index = 2;
    notmuch_bool_t read_stdin = TRUE;

    for (arg_index = 2; arg_index < argc; arg_index++) {

	if (xcode (ctx, dir, argv[arg_index],
		   &buffer, &buf_size) != HEX_SUCCESS)
	    return 1;

	read_stdin = FALSE;
    }

    if (!read_stdin)
	return 0;

    while ((line_len = getline (&line, &line_size, stdin)) != -1) {

	chomp_newline (line);

	if (xcode (ctx, dir, line, &buffer, &buf_size) != HEX_SUCCESS)
	    return 1;

    }

    if (line)
	free (line);

    talloc_free (ctx);

    return 0;
}