mirror of
https://git.notmuchmail.org/git/notmuch
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b8bb6d7964
Initially, support get, set and removal of single key/value pair, as well as removing all properties.
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/* message-property.cc - Properties are like tags, but (key,value) pairs.
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* keys are allowed to repeat.
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*
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* This file is part of notmuch.
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*
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* Copyright © 2016 David Bremner
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any 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, see http://www.gnu.org/licenses/ .
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*
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* Author: David Bremner <david@tethera.net>
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*/
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#include "notmuch-private.h"
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#include "database-private.h"
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#include "message-private.h"
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notmuch_status_t
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notmuch_message_get_property (notmuch_message_t *message, const char *key, const char **value)
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{
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if (! value)
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return NOTMUCH_STATUS_NULL_POINTER;
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*value = _notmuch_string_map_get (_notmuch_message_property_map (message), key);
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return NOTMUCH_STATUS_SUCCESS;
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}
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static notmuch_status_t
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_notmuch_message_modify_property (notmuch_message_t *message, const char *key, const char *value,
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notmuch_bool_t delete_it)
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{
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notmuch_private_status_t private_status;
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notmuch_status_t status;
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char *term = NULL;
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status = _notmuch_database_ensure_writable (_notmuch_message_database (message));
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if (status)
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return status;
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if (key == NULL || value == NULL)
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return NOTMUCH_STATUS_NULL_POINTER;
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if (index (key, '='))
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return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
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term = talloc_asprintf (message, "%s=%s", key, value);
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if (delete_it)
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private_status = _notmuch_message_remove_term (message, "property", term);
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else
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private_status = _notmuch_message_add_term (message, "property", term);
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if (private_status)
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return COERCE_STATUS (private_status,
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"Unhandled error modifying message property");
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if (! _notmuch_message_frozen (message))
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_notmuch_message_sync (message);
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if (term)
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talloc_free (term);
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return NOTMUCH_STATUS_SUCCESS;
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}
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notmuch_status_t
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notmuch_message_add_property (notmuch_message_t *message, const char *key, const char *value)
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{
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return _notmuch_message_modify_property (message, key, value, FALSE);
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}
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notmuch_status_t
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notmuch_message_remove_property (notmuch_message_t *message, const char *key, const char *value)
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{
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return _notmuch_message_modify_property (message, key, value, TRUE);
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}
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notmuch_status_t
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notmuch_message_remove_all_properties (notmuch_message_t *message, const char *key)
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{
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notmuch_status_t status;
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const char * term_prefix;
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status = _notmuch_database_ensure_writable (_notmuch_message_database (message));
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if (status)
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return status;
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_notmuch_message_invalidate_metadata (message, "property");
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if (key)
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term_prefix = talloc_asprintf (message, "%s%s=", _find_prefix ("property"), key);
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else
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term_prefix = _find_prefix ("property");
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/* XXX better error reporting ? */
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_notmuch_message_remove_terms (message, term_prefix);
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return NOTMUCH_STATUS_SUCCESS;
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}
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