X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=lib%2Fnotmuch.h;h=6d22d328ce1b57f1b04ee445aaa2e44d9efb54e6;hb=55f5e87096fda96280ccc4b191393c7e59b4df57;hp=f9e9cc413bcbe3daddde0431cbc07dc6f590a149;hpb=f25fc8e2115fc0fa6fa2a6d1cf3ed2747e163886;p=notmuch diff --git a/lib/notmuch.h b/lib/notmuch.h index f9e9cc41..6d22d328 100644 --- a/lib/notmuch.h +++ b/lib/notmuch.h @@ -208,6 +208,14 @@ typedef enum _notmuch_status { * something that notmuch doesn't know how to handle. */ NOTMUCH_STATUS_UNKNOWN_CRYPTO_PROTOCOL, + /** + * Unable to load a config file + */ + NOTMUCH_STATUS_NO_CONFIG, + /** + * Database exists, so not (re)-created + */ + NOTMUCH_STATUS_DATABASE_EXISTS, /** * Not an actual status value. Just a way to find out how many * valid status values there are. @@ -236,6 +244,7 @@ typedef struct _notmuch_tags notmuch_tags_t; typedef struct _notmuch_directory notmuch_directory_t; typedef struct _notmuch_filenames notmuch_filenames_t; typedef struct _notmuch_config_list notmuch_config_list_t; +typedef struct _notmuch_config_values notmuch_config_values_t; typedef struct _notmuch_indexopts notmuch_indexopts_t; #endif /* __DOXYGEN__ */ @@ -301,52 +310,138 @@ typedef enum { } notmuch_database_mode_t; /** - * Open an existing notmuch database located at 'path'. + * Deprecated alias for notmuch_database_open_with_config with + * config_path=error_message=NULL + * @deprecated Deprecated as of libnotmuch 5.4 (notmuch 0.32) + */ +/* NOTMUCH_DEPRECATED(5, 4) */ +notmuch_status_t +notmuch_database_open (const char *path, + notmuch_database_mode_t mode, + notmuch_database_t **database); +/** + * Deprecated alias for notmuch_database_open_with_config with + * config_path=NULL + * + * @deprecated Deprecated as of libnotmuch 5.4 (notmuch 0.32) + * + */ +/* NOTMUCH_DEPRECATED(5, 4) */ +notmuch_status_t +notmuch_database_open_verbose (const char *path, + notmuch_database_mode_t mode, + notmuch_database_t **database, + char **error_message); + +/** + * Open an existing notmuch database located at 'database_path', using + * configuration in 'config_path'. + * + * @param[in] database_path + * @parblock + * Path to existing database. + * + * A notmuch database is a Xapian database containing appropriate + * metadata. * * The database should have been created at some time in the past, * (not necessarily by this process), by calling - * notmuch_database_create with 'path'. By default the database should be - * opened for reading only. In order to write to the database you need to - * pass the NOTMUCH_DATABASE_MODE_READ_WRITE mode. + * notmuch_database_create. + * + * If 'database_path' is NULL, use the location specified + * + * - in the environment variable NOTMUCH_DATABASE, if non-empty + * + * - in a configuration file, located as described under 'config_path' + * + * - by $XDG_DATA_HOME/notmuch/$PROFILE where XDG_DATA_HOME defaults + * to "$HOME/.local/share" and PROFILE as as discussed in + * 'profile' + * + * If 'database_path' is non-NULL, but does not appear to be a Xapian + * database, check for a directory '.notmuch/xapian' below + * 'database_path' (this is the behavior of + * notmuch_database_open_verbose pre-0.32). + * + * @endparblock + * @param[in] mode + * @parblock + * Mode to open database. Use one of #NOTMUCH_DATABASE_MODE_READ_WRITE + * or #NOTMUCH_DATABASE_MODE_READ_ONLY + * + * @endparblock + * @param[in] config_path + * @parblock + * Path to config file. + * + * Config file is key-value, with mandatory sections. See + * notmuch-config(5) for more information. The key-value pair + * overrides the corresponding configuration data stored in the + * database (see notmuch_database_get_config) + * + * If config_path is NULL use the path specified + * + * - in environment variable NOTMUCH_CONFIG, if non-empty + * + * - by XDG_CONFIG_HOME/notmuch/ where + * XDG_CONFIG_HOME defaults to "$HOME/.config". + * + * - by $HOME/.notmuch-config + * + * If config_path is "" (empty string) then do not + * open any configuration file. + * @endparblock + * @param[in] profile: + * @parblock + * Name of profile (configuration/database variant). * - * An existing notmuch database can be identified by the presence of a - * directory named ".notmuch" below 'path'. + * If non-NULL, append to the directory / file path determined for + * config_path and database_path. + * + * If NULL then use + * - environment variable NOTMUCH_PROFILE if defined, + * - otherwise "default" for directories and "" (empty string) for paths. + * + * @endparblock + * @param[out] database + * @parblock + * Pointer to database object. May not be NULL. * * The caller should call notmuch_database_destroy when finished with * this database. * * In case of any failure, this function returns an error status and - * sets *database to NULL (after printing an error message on stderr). + * sets *database to NULL. * - * Return value: + * @endparblock + * @param[out] error_message + * If non-NULL, store error message from opening the database. + * Any such message is allocated by \a malloc(3) and should be freed + * by the caller. * - * NOTMUCH_STATUS_SUCCESS: Successfully opened the database. + * @retval NOTMUCH_STATUS_SUCCESS: Successfully opened the database. * - * NOTMUCH_STATUS_NULL_POINTER: The given 'path' argument is NULL. + * @retval NOTMUCH_STATUS_NULL_POINTER: The given \a database + * argument is NULL. * - * NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory. + * @retval NOTMUCH_STATUS_OUT_OF_MEMORY: Out of memory. * - * NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to open the - * database file (such as permission denied, or file not found, + * @retval NOTMUCH_STATUS_FILE_ERROR: An error occurred trying to open the + * database or config file (such as permission denied, or file not found, * etc.), or the database version is unknown. * - * NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred. - */ -notmuch_status_t -notmuch_database_open (const char *path, - notmuch_database_mode_t mode, - notmuch_database_t **database); -/** - * Like notmuch_database_open, except optionally return an error - * message. This message is allocated by malloc and should be freed by - * the caller. + * @retval NOTMUCH_STATUS_XAPIAN_EXCEPTION: A Xapian exception occurred. + * + * @since libnotmuch 5.4 (notmuch 0.32) */ notmuch_status_t -notmuch_database_open_verbose (const char *path, - notmuch_database_mode_t mode, - notmuch_database_t **database, - char **error_message); +notmuch_database_open_with_config (const char *database_path, + notmuch_database_mode_t mode, + const char *config_path, + const char *profile, + notmuch_database_t **database, + char **error_message); /** * Retrieve last status string for given database. @@ -410,6 +505,18 @@ notmuch_database_compact (const char *path, notmuch_compact_status_cb_t status_cb, void *closure); +/** + * Like notmuch_database_compact, but take an open database as a + * parameter. + * + * @since libnnotmuch 5.4 (notmuch 0.32) + */ +notmuch_status_t +notmuch_database_compact_db (notmuch_database_t *database, + const char *backup_path, + notmuch_compact_status_cb_t status_cb, + void *closure); + /** * Destroy the notmuch database, closing it if necessary and freeing * all associated resources. @@ -1642,7 +1749,7 @@ notmuch_message_remove_tag (notmuch_message_t *message, const char *tag); * * @retval #NOTMUCH_STATUS_READ_ONLY_DATABASE: Database was opened in * read-only mode so message cannot be modified. - * @retval #NOTMUCH_STATUS_XAPIAN_EXCEPTION: an execption was thrown + * @retval #NOTMUCH_STATUS_XAPIAN_EXCEPTION: an exception was thrown * accessing the database. */ notmuch_status_t @@ -1874,7 +1981,7 @@ notmuch_message_add_property (notmuch_message_t *message, const char *key, const /** * Remove a (key,value) pair from a message. * - * It is not an error to remove a non-existant (key,value) pair + * It is not an error to remove a non-existent (key,value) pair * * @returns * - NOTMUCH_STATUS_ILLEGAL_ARGUMENT: *key* may not contain an '=' character. @@ -2148,6 +2255,8 @@ notmuch_directory_get_mtime (notmuch_directory_t *directory); * * The returned filenames will be the basename-entries only (not * complete paths). + * + * Returns NULL if it triggers a Xapian exception */ notmuch_filenames_t * notmuch_directory_get_child_files (notmuch_directory_t *directory); @@ -2158,6 +2267,8 @@ notmuch_directory_get_child_files (notmuch_directory_t *directory); * * The returned filenames will be the basename-entries only (not * complete paths). + * + * Returns NULL if it triggers a Xapian exception */ notmuch_filenames_t * notmuch_directory_get_child_directories (notmuch_directory_t *directory); @@ -2235,6 +2346,11 @@ notmuch_filenames_destroy (notmuch_filenames_t *filenames); * set config 'key' to 'value' * * @since libnotmuch 4.4 (notmuch 0.23) + * @retval #NOTMUCH_STATUS_READ_ONLY_DATABASE: Database was opened in + * read-only mode so message cannot be modified. + * @retval #NOTMUCH_STATUS_XAPIAN_EXCEPTION: an exception was thrown + * accessing the database. + * @retval #NOTMUCH_STATUS_SUCCESS */ notmuch_status_t notmuch_database_set_config (notmuch_database_t *db, const char *key, const char *value); @@ -2249,6 +2365,7 @@ notmuch_database_set_config (notmuch_database_t *db, const char *key, const char * caller. * * @since libnotmuch 4.4 (notmuch 0.23) + * */ notmuch_status_t notmuch_database_get_config (notmuch_database_t *db, const char *key, char **value); @@ -2287,6 +2404,7 @@ notmuch_config_list_key (notmuch_config_list_t *config_list); * next call to notmuch_config_list_value or notmuch config_list_destroy * * @since libnotmuch 4.4 (notmuch 0.23) + * @retval NULL for errors */ const char * notmuch_config_list_value (notmuch_config_list_t *config_list); @@ -2309,6 +2427,151 @@ void notmuch_config_list_destroy (notmuch_config_list_t *config_list); +/** + * Configuration keys known to libnotmuch + */ +typedef enum _notmuch_config_key { + NOTMUCH_CONFIG_FIRST, + NOTMUCH_CONFIG_DATABASE_PATH = NOTMUCH_CONFIG_FIRST, + NOTMUCH_CONFIG_EXCLUDE_TAGS, + NOTMUCH_CONFIG_NEW_TAGS, + NOTMUCH_CONFIG_NEW_IGNORE, + NOTMUCH_CONFIG_SYNC_MAILDIR_FLAGS, + NOTMUCH_CONFIG_PRIMARY_EMAIL, + NOTMUCH_CONFIG_OTHER_EMAIL, + NOTMUCH_CONFIG_USER_NAME, + NOTMUCH_CONFIG_LAST +} notmuch_config_key_t; + +/** + * get a configuration value from an open database. + * + * This value reflects all configuration information given at the time + * the database was opened. + * + * @param[in] notmuch database + * @param[in] key configuration key + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + * @retval NULL if 'key' unknown or if no value is known for + * 'key'. Otherwise returns a string owned by notmuch which should + * not be modified nor freed by the caller. + */ +const char * +notmuch_config_get (notmuch_database_t *notmuch, notmuch_config_key_t key); + +/** + * set a configuration value from in an open database. + * + * This value reflects all configuration information given at the time + * the database was opened. + * + * @param[in,out] notmuch database open read/write + * @param[in] key configuration key + * @param[in] val configuration value + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + * @retval returns any return value for notmuch_database_set_config. + */ +notmuch_status_t +notmuch_config_set (notmuch_database_t *notmuch, notmuch_config_key_t key, const char *val); + +/** + * Returns an iterator for a ';'-delimited list of configuration values + * + * These values reflect all configuration information given at the + * time the database was opened. + * + * @param[in] notmuch database + * @param[in] key configuration key + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + * @retval NULL in case of error. + */ +notmuch_config_values_t * +notmuch_config_get_values (notmuch_database_t *notmuch, notmuch_config_key_t key); + +/** + * Is the given 'config_values' iterator pointing at a valid element. + * + * @param[in] values iterator + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + * @retval FALSE if passed a NULL pointer, or the iterator is exhausted. + * + */ +notmuch_bool_t +notmuch_config_values_valid (notmuch_config_values_t *values); + +/** + * Get the current value from the 'values' iterator + * + * @param[in] values iterator + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + * @retval a string with the same lifetime as the iterator + */ +const char * +notmuch_config_values_get (notmuch_config_values_t *values); + +/** + * Move the 'values' iterator to the next element + * + * @param[in,out] values iterator + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + */ +void +notmuch_config_values_move_to_next (notmuch_config_values_t *values); + + +/** + * reset the 'values' iterator to the first element + * + * @param[in,out] values iterator. A NULL value is ignored. + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + */ +void +notmuch_config_values_start (notmuch_config_values_t *values); + +/** + * Destroy a config values iterator, along with any associated + * resources. + * + * @param[in,out] values iterator + * + * @since libnotmuch 5.4 (notmuch 0.32) + */ +void +notmuch_config_values_destroy (notmuch_config_values_t *values); + +/** + * get a configuration value from an open database as Boolean + * + * This value reflects all configuration information given at the time + * the database was opened. + * + * @param[in] notmuch database + * @param[in] key configuration key + * @param[out] val configuration value, converted to Boolean + * + * @since libnotmuch 5.4 (notmuch 0.32) + * + * @retval #NOTMUCH_STATUS_ILLEGAL_ARGUMENT if either key is unknown + * or the corresponding value does not convert to Boolean. + */ +notmuch_status_t +notmuch_config_get_bool (notmuch_database_t *notmuch, + notmuch_config_key_t key, + notmuch_bool_t *val); /** * get the current default indexing options for a given database. * @@ -2320,6 +2583,7 @@ notmuch_config_list_destroy (notmuch_config_list_t *config_list); * added to the index. At the moment it is a featureless stub. * * @since libnotmuch 5.1 (notmuch 0.26) + * @retval NULL in case of error */ notmuch_indexopts_t * notmuch_database_get_default_indexopts (notmuch_database_t *db);