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/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "imap-arg.h"
bool imap_arg_get_atom(const struct imap_arg *arg, const char **str_r)
{
if (arg->type != IMAP_ARG_ATOM && arg->type != IMAP_ARG_NIL)
return FALSE;
*str_r = arg->_data.str;
return TRUE;
}
bool imap_arg_get_quoted(const struct imap_arg *arg, const char **str_r)
{
if (arg->type != IMAP_ARG_STRING)
return FALSE;
*str_r = arg->_data.str;
return TRUE;
}
bool imap_arg_get_string(const struct imap_arg *arg, const char **str_r)
{
if (arg->type != IMAP_ARG_STRING && arg->type != IMAP_ARG_LITERAL)
return FALSE;
*str_r = arg->_data.str;
return TRUE;
}
bool imap_arg_get_astring(const struct imap_arg *arg, const char **str_r)
{
/* RFC 3501 4.5. specifies that NIL is the same as "NIL" when
reading astring. */
if (!IMAP_ARG_IS_ASTRING(arg) && arg->type != IMAP_ARG_NIL)
return FALSE;
*str_r = arg->_data.str;
return TRUE;
}
bool imap_arg_get_nstring(const struct imap_arg *arg, const char **str_r)
{
if (arg->type == IMAP_ARG_NIL) {
*str_r = NULL;
return TRUE;
}
return imap_arg_get_string(arg, str_r);
}
bool imap_arg_get_literal_size(const struct imap_arg *arg, uoff_t *size_r)
{
if (arg->type != IMAP_ARG_LITERAL_SIZE &&
arg->type != IMAP_ARG_LITERAL_SIZE_NONSYNC)
return FALSE;
*size_r = arg->_data.literal_size;
return TRUE;
}
bool imap_arg_get_list(const struct imap_arg *arg,
const struct imap_arg **list_r)
{
unsigned int count;
return imap_arg_get_list_full(arg, list_r, &count);
}
bool imap_arg_get_list_full(const struct imap_arg *arg,
const struct imap_arg **list_r,
unsigned int *list_count_r)
{
unsigned int count;
if (arg->type != IMAP_ARG_LIST)
return FALSE;
*list_r = array_get(&arg->_data.list, &count);
if (count > 0 && (*list_r)[count-1].type == IMAP_ARG_EOL)
count--;
else {
/* imap-parser stopped early (e.g. due to reading literal size).
The IMAP_ARG_EOL was added to the list only temporarily. */
i_assert((*list_r)[count].type == IMAP_ARG_EOL);
}
*list_count_r = count;
return TRUE;
}
const char *imap_arg_as_astring(const struct imap_arg *arg)
{
const char *str;
if (!imap_arg_get_astring(arg, &str))
i_unreached();
return str;
}
const char *imap_arg_as_nstring(const struct imap_arg *arg)
{
const char *str;
if (!imap_arg_get_nstring(arg, &str))
i_unreached();
return str;
}
uoff_t imap_arg_as_literal_size(const struct imap_arg *arg)
{
uoff_t size;
if (!imap_arg_get_literal_size(arg, &size))
i_unreached();
return size;
}
const struct imap_arg *
imap_arg_as_list(const struct imap_arg *arg)
{
const struct imap_arg *ret;
if (!imap_arg_get_list(arg, &ret))
i_unreached();
return ret;
}
bool imap_arg_atom_equals(const struct imap_arg *arg, const char *str)
{
const char *value;
if (!imap_arg_get_atom(arg, &value))
return FALSE;
return strcasecmp(value, str) == 0;
}
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