plugins/fts/fts-storage.h

	fts-storage.h revision ff01c351d308504551048039304725d578978c2e
#ifndef FTS_STORAGE_H
#define FTS_STORAGE_H

struct fts_mailbox {
    union mailbox_module_context module_ctx;
    struct fts_backend *backend_substr;
    struct fts_backend *backend_fast;

    unsigned int last_messages_count, last_uidnext;

    const char *env;
    unsigned int virtual:1;
    unsigned int backend_set:1;
};

struct fts_orig_mailboxes {
    const char *name;
    struct mail_namespace *ns;
    struct mailbox *box;
};

struct fts_search_virtual_context {
    pool_t pool;

    struct mailbox_transaction_context *trans;
    ARRAY_DEFINE(orig_mailboxes, struct fts_orig_mailboxes);
    ARRAY_TYPE(fts_backend_uid_map) last_uids;

    unsigned int boxi, uidi;
};

struct fts_search_context {
    union mail_search_module_context module_ctx;

    struct fts_mailbox *fbox;
    struct mailbox_transaction_context *t;
    struct mail_search_args *args;
    struct mail_search_arg *best_arg;

    struct fts_backend_lookup_context *lookup_ctx_substr, *lookup_ctx_fast;
    ARRAY_TYPE(seq_range) definite_seqs, maybe_seqs;
    ARRAY_TYPE(fts_score_map) score_map;
    unsigned int definite_idx, maybe_idx;
    uint32_t first_nonindexed_seq;

    struct fts_backend *build_backend;
    struct fts_storage_build_context *build_ctx;
    struct fts_search_virtual_context virtual_ctx;

    unsigned int build_initialized:1;
    unsigned int seqs_set:1;
};

/* Figure out if we want to use full text search indexes and update
   backends in fctx accordingly. */
void fts_search_analyze(struct fts_search_context *fctx);
/* Perform the actual index lookup and update definite_uids and maybe_uids. */
void fts_search_lookup(struct fts_search_context *fctx);

#endif