mirror of https://github.com/djcb/mu.git
175 lines
4.4 KiB
C
175 lines
4.4 KiB
C
/*
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** Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#ifndef __MU_STORE_H__
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#define __MU_STORE_H__
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#include <glib.h>
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#include <inttypes.h>
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#include <mu-result.h>
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#include <mu-msg.h>
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#include <mu-error.h>
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G_BEGIN_DECLS
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struct _MuStore;
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typedef struct _MuStore MuStore;
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/**
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* create a new Xapian store, a place to store documents
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*
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* @param path the path to the database
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* @param batchsize size of batch before committing
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* @param err to receive error info or NULL. err->code can be found in
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* mu-error.h
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*
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* @return a new MuStore object, or NULL in case of error
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*/
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MuStore* mu_store_new (const char *path, guint batchsize, GError **err)
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G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
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/**
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* destroy the MuStore object and free resources
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*
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* @param store a valid store, or NULL
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*/
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void mu_store_destroy (MuStore *store);
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/**
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* get the numbers of documents in the database
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*
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* @param index a valid MuStore instance
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*
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* @return the number of documents in the database; 0 in case of error
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* or an empty database
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*/
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unsigned mu_store_count (MuStore *store);
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/**
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* get a version string for the database; it's a const string, which
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* is valid as long MuStore exists and mu_store_version is not called
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* again.
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*
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* @param store a valid MuStore
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*
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* @return the version string or NULL in case of error
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*/
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const char* mu_store_version (MuStore *store);
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/**
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* set the version string for the database
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*
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* @param store a valid MuStore
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* @param version the version string (non-NULL)
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*
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* @return TRUE if setting the version succeeded, FALSE otherwise
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*/
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gboolean mu_store_set_version (MuStore *store,
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const char* version);
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/**
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* try to flush/commit all outstanding work
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*
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* @param store a valid xapian store
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*/
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void mu_store_flush (MuStore *store);
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/**
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* store an email message in the XapianStore
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*
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* @param store a valid store
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* @param msg a valid message
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*
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* @return TRUE if it succeeded, FALSE otherwise
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*/
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MuResult mu_store_store (MuStore *store, MuMsg *msg);
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/**
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* remove a message from the database
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*
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* @param store a valid store
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* @param msgpath path of the message (note, this is only used to
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* *identify* the message; a common use of this function is to remove
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* a message from the database, for which there is no message anymore
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* in the filesystem.
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*
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* @return TRUE if it succeeded, FALSE otherwise
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*/
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MuResult mu_store_remove (MuStore *store,
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const char* msgpath);
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/**
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* does a certain message exist in the database already?
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*
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* @param store a store
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* @param path the message path
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*
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* @return
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*/
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gboolean mu_store_contains_message (MuStore *store,
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const char* path);
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/**
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* store a timestamp for a directory
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*
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* @param store a valid store
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* @param msgpath path to a maildir
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* @param stamp a timestamp
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*/
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void mu_store_set_timestamp (MuStore *store,
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const char* msgpath,
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time_t stamp);
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/**
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* get the timestamp for a directory
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*
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* @param store a valid store
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* @param msgpath path to a maildir
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*
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* @return the timestamp, or 0 in case of error
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*/
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time_t mu_store_get_timestamp (MuStore *store,
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const char* msgpath);
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/**
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* call a function for each document in the database
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*
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* @param self a valid store
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* @param func a callback function to to call for each document
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* @param user_data a user pointer passed to the callback function
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*
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* @return MU_OK if all went well, MU_STOP if the foreach was interrupted,
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* MU_ERROR in case of error
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*/
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typedef MuResult (*MuStoreForeachFunc) (const char* path,
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void *user_data);
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MuResult mu_store_foreach (MuStore *self,
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MuStoreForeachFunc func,
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void *user_data);
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G_END_DECLS
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#endif /*__MU_STORE_H__*/
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