From: David Bremner <david@tethera.net>
To: David Bremner <david@tethera.net>, Ico <ico@pruts.nl>,
notmuch@notmuchmail.org
Subject: [PATCH 2/3] WIP/lib: factor out lastmod range handling from sexp parser.
Date: Tue, 9 Aug 2022 08:25:17 -0300 [thread overview]
Message-ID: <20220809112518.1969385-1-david@tethera.net> (raw)
In-Reply-To: <20220808115000.1559492-1-david@tethera.net>
This will permit the re-use of the same logic in the infix query
parser. The location of the shared code in the infix side is just a
convention at this point.
---
lib/Makefile.local | 3 +-
lib/database-private.h | 6 ++++
lib/lastmod-fp.cc | 68 ++++++++++++++++++++++++++++++++++++++++++
lib/parse-sexp.cc | 37 ++++-------------------
4 files changed, 82 insertions(+), 32 deletions(-)
create mode 100644 lib/lastmod-fp.cc
diff --git a/lib/Makefile.local b/lib/Makefile.local
index 6d67a2a4..4e766305 100644
--- a/lib/Makefile.local
+++ b/lib/Makefile.local
@@ -65,7 +65,8 @@ libnotmuch_cxx_srcs = \
$(dir)/open.cc \
$(dir)/init.cc \
$(dir)/parse-sexp.cc \
- $(dir)/sexp-fp.cc
+ $(dir)/sexp-fp.cc \
+ $(dir)/lastmod-fp.cc
libnotmuch_modules := $(libnotmuch_c_srcs:.c=.o) $(libnotmuch_cxx_srcs:.cc=.o)
diff --git a/lib/database-private.h b/lib/database-private.h
index 419b9fe6..b9be4e22 100644
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -381,5 +381,11 @@ _notmuch_sexp_string_to_xapian_query (notmuch_database_t *notmuch, const char *q
notmuch_status_t
_notmuch_date_strings_to_query (Xapian::valueno slot, const std::string &from, const std::string &to,
Xapian::Query &output, std::string &msg);
+
+/* lastmod-fp.h */
+notmuch_status_t
+_notmuch_lastmod_strings_to_query (notmuch_database_t *notmuch,
+ const std::string &from, const std::string &to,
+ Xapian::Query &output, std::string &msg);
#endif
#endif
diff --git a/lib/lastmod-fp.cc b/lib/lastmod-fp.cc
new file mode 100644
index 00000000..5fdaf281
--- /dev/null
+++ b/lib/lastmod-fp.cc
@@ -0,0 +1,68 @@
+/* lastmod-fp.cc - lastmod range query glue
+ *
+ * This file is part of notmuch.
+ *
+ * Copyright © 2022 David Bremner
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/ .
+ *
+ * Author: David Bremner <david@tethera.net>
+ */
+
+#include "database-private.h"
+
+notmuch_status_t
+_notmuch_lastmod_strings_to_query (notmuch_database_t *notmuch,
+ const std::string &from, const std::string &to,
+ Xapian::Query &output, std::string &msg)
+{
+ long from_idx = 0L, to_idx = LONG_MAX;
+ long current;
+ std::string str;
+
+ /* revision should not change, but for the avoidance of doubt,
+ * grab for both ends of range, if needed*/
+ current = notmuch_database_get_revision (notmuch, NULL);
+
+ try {
+ if (from.empty ())
+ from_idx = 0L;
+ else
+ from_idx = std::stol (from);
+ } catch (std::logic_error &e) {
+ msg = "bad 'from' revision: '" + from + "'";
+ return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
+ }
+
+ if (from_idx < 0)
+ from_idx += current;
+
+ try {
+ if (EMPTY_STRING (to))
+ to_idx = LONG_MAX;
+ else
+ to_idx = std::stol (to);
+ } catch (std::logic_error &e) {
+ msg = "bad 'to' revision: '" + to + "'";
+ return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
+ }
+
+ if (to_idx < 0)
+ to_idx += current;
+
+ output = Xapian::Query (Xapian::Query::OP_VALUE_RANGE, NOTMUCH_VALUE_LAST_MOD,
+ Xapian::sortable_serialise (from_idx),
+ Xapian::sortable_serialise (to_idx));
+ return NOTMUCH_STATUS_SUCCESS;
+}
diff --git a/lib/parse-sexp.cc b/lib/parse-sexp.cc
index e9ef4268..9cadbc13 100644
--- a/lib/parse-sexp.cc
+++ b/lib/parse-sexp.cc
@@ -563,38 +563,13 @@ _sexp_parse_range (notmuch_database_t *notmuch, const _sexp_prefix_t *prefix,
}
if (strcmp (prefix->name, "lastmod") == 0) {
- long from_idx, to_idx;
-
- try {
- if (EMPTY_STRING (from))
- from_idx = 0L;
- else
- from_idx = std::stol (from);
- } catch (std::logic_error &e) {
- _notmuch_database_log (notmuch, "bad 'from' revision: '%s'\n", from);
- return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
- }
-
- if (from_idx < 0)
- from_idx += notmuch_database_get_revision (notmuch, NULL);
-
- try {
- if (EMPTY_STRING (to))
- to_idx = LONG_MAX;
- else
- to_idx = std::stol (to);
- } catch (std::logic_error &e) {
- _notmuch_database_log (notmuch, "bad 'to' revision: '%s'\n", to);
- return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
+ notmuch_status_t status;
+ status = _notmuch_lastmod_strings_to_query (notmuch, from, to, output, msg);
+ if (status) {
+ if (! msg.empty ())
+ _notmuch_database_log (notmuch, "%s\n", msg.c_str ());
}
-
- if (to_idx < 0)
- to_idx += notmuch_database_get_revision (notmuch, NULL);
-
- output = Xapian::Query (Xapian::Query::OP_VALUE_RANGE, NOTMUCH_VALUE_LAST_MOD,
- Xapian::sortable_serialise (from_idx),
- Xapian::sortable_serialise (to_idx));
- return NOTMUCH_STATUS_SUCCESS;
+ return status;
}
_notmuch_database_log (notmuch, "unimplimented range prefix: '%s'\n", prefix->name);
--
2.35.2
\r
next prev parent reply other threads:[~2022-08-09 11:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-02 14:01 Feature request: search for last N modified mails Ico
2016-12-03 13:22 ` cesar mena
2022-08-08 11:50 ` [PATCH] WIP: provide relative lastmod sexp queries David Bremner
2022-08-09 11:25 ` David Bremner [this message]
2022-08-09 11:25 ` [PATCH 3/3] WIP/lib: use common lastmod logic in infix parser David Bremner
2022-09-03 11:51 ` Feature request: search for last N modified mails David Bremner
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