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/* Copyright (c) 2011-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "buffer.h"
#include "mail-search.h"
#include "fts-search-serialize.h"
#define HAVE_SUBARGS(arg) \
((arg)->type == SEARCH_SUB || (arg)->type == SEARCH_OR)
void fts_search_serialize(buffer_t *buf, const struct mail_search_arg *args)
{
char chr;
for (; args != NULL; args = args->next) {
chr = (args->match_always ? 1 : 0) |
(args->nonmatch_always ? 2 : 0);
buffer_append_c(buf, chr);
if (HAVE_SUBARGS(args))
fts_search_serialize(buf, args->value.subargs);
}
}
static void fts_search_deserialize_idx(struct mail_search_arg *args,
const buffer_t *buf, unsigned int *idx)
{
const char *data = buf->data;
for (; args != NULL; args = args->next) {
i_assert(*idx < buf->used);
args->match_always = (data[*idx] & 1) != 0;
args->nonmatch_always = (data[*idx] & 2) != 0;
args->result = args->match_always ? 1 :
(args->nonmatch_always ? 0 : -1);
*idx += 1;
if (HAVE_SUBARGS(args)) {
fts_search_deserialize_idx(args->value.subargs,
buf, idx);
}
}
}
void fts_search_deserialize(struct mail_search_arg *args,
const buffer_t *buf)
{
unsigned int idx = 0;
fts_search_deserialize_idx(args, buf, &idx);
i_assert(idx == buf->used);
}
static void
fts_search_deserialize_add_idx(struct mail_search_arg *args,
const buffer_t *buf, unsigned int *idx,
bool matches)
{
const char *data = buf->data;
for (; args != NULL; args = args->next) {
i_assert(*idx < buf->used);
if (data[*idx] != 0) {
if (matches) {
args->match_always = TRUE;
args->result = 1;
} else {
args->nonmatch_always = TRUE;
args->result = 0;
}
}
*idx += 1;
if (HAVE_SUBARGS(args)) {
fts_search_deserialize_add_idx(args->value.subargs,
buf, idx, matches);
}
}
}
void fts_search_deserialize_add_matches(struct mail_search_arg *args,
const buffer_t *buf)
{
unsigned int idx = 0;
fts_search_deserialize_add_idx(args, buf, &idx, TRUE);
i_assert(idx == buf->used);
}
void fts_search_deserialize_add_nonmatches(struct mail_search_arg *args,
const buffer_t *buf)
{
unsigned int idx = 0;
fts_search_deserialize_add_idx(args, buf, &idx, FALSE);
i_assert(idx == buf->used);
}
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