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lib: add sexp: prefix to Xapian (infix) query parser.

Browse source 
This is analogous to the "infix" prefix provided by the s-expression
based query parser.
This commit is contained in:
David Bremner 2022-04-09 16:45:48 -03:00
parent fc3bb11808
commit a1d139de4d
6 changed files with 129 additions and 2 deletions
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17
doc/man7/notmuch-search-terms.rst
View file

@ -169,6 +169,12 @@ property:<key>=<value>
can be present on a given message with several different values.
See :any:`notmuch-properties(7)` for more details.
sexp:<subquery>
The **sexp:** prefix allows subqueries in the format
documented in :any:`notmuch-sexp-queries(7)`. Note that subqueries containing
spaces must be quoted, and any embedded double quotes must be escaped
(see :any:`quoting`).
User defined prefixes are also supported, see :any:`notmuch-config(1)` for
details.
@ -257,7 +263,7 @@ Boolean
Probabilistic
**body:**, **to:**, **attachment:**, **mimetype:**
Special
**from:**, **query:**, **subject:**
**from:**, **query:**, **subject:**, **sexp:**
Terms and phrases
-----------------
@ -297,6 +303,8 @@ Both of these will match a subject "Free Delicious Pizza" while
will not.
.. _quoting:
Quoting
-------
@ -324,6 +332,13 @@ e.g.
% notmuch search 'folder:"/^.*/(Junk|Spam)$/"'
% notmuch search 'thread:"{from:mallory and date:2009}" and thread:{to:mallory}'
Double quotes within query strings need to be doubled to escape them.
::
% notmuch search 'tag:"""quoted tag"""'
% notmuch search 'sexp:"(or ""wizard"" ""php"")"'
DATE AND TIME SEARCH
====================

3
lib/Makefile.local
View file

@ -64,7 +64,8 @@ libnotmuch_cxx_srcs = \
$(dir)/prefix.cc \
$(dir)/open.cc \
$(dir)/init.cc \
$(dir)/parse-sexp.cc
$(dir)/parse-sexp.cc \
$(dir)/sexp-fp.cc
libnotmuch_modules := $(libnotmuch_c_srcs:.c=.o) $(libnotmuch_cxx_srcs:.cc=.o)

5
lib/prefix.cc
View file

@ -3,6 +3,7 @@
#include "thread-fp.h"
#include "regexp-fields.h"
#include "parse-time-vrp.h"
#include "sexp-fp.h"
typedef struct {
const char *name;
@ -60,6 +61,8 @@ prefix_t prefix_table[] = {
NOTMUCH_FIELD_PROCESSOR },
{ "query", NULL, NOTMUCH_FIELD_EXTERNAL |
NOTMUCH_FIELD_PROCESSOR },
{ "sexp", NULL, NOTMUCH_FIELD_EXTERNAL |
NOTMUCH_FIELD_PROCESSOR },
{ "from", "XFROM", NOTMUCH_FIELD_EXTERNAL |
NOTMUCH_FIELD_PROBABILISTIC |
NOTMUCH_FIELD_PROCESSOR },
@ -138,6 +141,8 @@ _setup_query_field (const prefix_t *prefix, notmuch_database_t *notmuch)
fp = (new QueryFieldProcessor (*notmuch->query_parser, notmuch))->release ();
else if (STRNCMP_LITERAL (prefix->name, "thread") == 0)
fp = (new ThreadFieldProcessor (*notmuch->query_parser, notmuch))->release ();
else if (STRNCMP_LITERAL (prefix->name, "sexp") == 0)
fp = (new SexpFieldProcessor (notmuch))->release ();
else
fp = (new RegexpFieldProcessor (prefix->name, prefix->flags,
*notmuch->query_parser, notmuch))->release ();

40
lib/sexp-fp.cc Normal file
View file

@ -0,0 +1,40 @@
/* sexp-fp.cc - "sexp:" field processor 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"
#include "sexp-fp.h"
#include <iostream>
Xapian::Query
SexpFieldProcessor::operator() (const std::string & query_string)
{
notmuch_status_t status;
Xapian::Query output;
status = _notmuch_sexp_string_to_xapian_query (notmuch, query_string.c_str (), output);
if (status) {
throw Xapian::QueryParserError ("error parsing " + query_string);
}
return output;
}

41
lib/sexp-fp.h Normal file
View file

@ -0,0 +1,41 @@
/* sexp-fp.h - sexp field processor 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>
*/
#ifndef NOTMUCH_SEXP_FP_H
#define NOTMUCH_SEXP_FP_H
#include <xapian.h>
#include "notmuch.h"
class SexpFieldProcessor : public Xapian::FieldProcessor {
protected:
notmuch_database_t *notmuch;
public:
SexpFieldProcessor (notmuch_database_t *notmuch_) : notmuch (notmuch_)
{
};
Xapian::Query operator() (const std::string & query_string);
};
#endif /* NOTMUCH_SEXP_FP_H */

25
test/T081-sexpr-search.sh
View file

@ -46,6 +46,14 @@ thread:XXX 2009-11-18 [1/3] Carl Worth| Jan Janak; [notmuch] What a great idea
EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "or of exact terms via field processor"
notmuch search 'sexp:"(or ""php"" ""wizard"")"' | notmuch_search_sanitize > OUTPUT
cat <<EOF > EXPECTED
thread:XXX 2010-12-29 [1/1] François Boulogne; [aur-general] Guidelines: cp, mkdir vs install (inbox unread)
thread:XXX 2009-11-18 [1/3] Carl Worth| Jan Janak; [notmuch] What a great idea! (inbox unread)
EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "single term in body"
notmuch search --query=sexp 'wizard' | notmuch_search_sanitize>OUTPUT
cat <<EOF > EXPECTED
@ -714,6 +722,11 @@ notmuch search property:foo=bar > EXPECTED
notmuch search --query=sexp '(property (rx foo=.*))' > OUTPUT
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "regexp 'property' search via field processor"
notmuch search property:foo=bar > EXPECTED
notmuch search 'sexp:"(property (rx foo=.*))"' > OUTPUT
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "anchored 'tag' search"
notmuch search tag:signed > EXPECTED
notmuch search --query=sexp '(tag (rx ^si))' > OUTPUT
@ -750,6 +763,13 @@ thread:XXX 2009-11-18 [7/7] Lars Kellogg-Stedman, Mikhail Gusarov, Keith Packa
EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "Compound subquery via field processor"
notmuch search 'sexp:"(thread (of (from keithp) (subject Maildir)))"' | notmuch_search_sanitize > OUTPUT
cat<<EOF > EXPECTED
thread:XXX 2009-11-18 [7/7] Lars Kellogg-Stedman, Mikhail Gusarov, Keith Packard, Carl Worth; [notmuch] Working with Maildir storage? (inbox signed unread)
EOF
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "empty subquery"
notmuch search --query=sexp '(thread (of))' 1>OUTPUT 2>&1
notmuch search '*' > EXPECTED
@ -976,6 +996,11 @@ grep -Ril List-Id ${MAIL_DIR} | sort | notmuch_dir_sanitize > EXPECTED
notmuch search --output=files --query=sexp '(List *)' | sort | notmuch_dir_sanitize > OUTPUT
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "wildcard search for user header via field processor"
grep -Ril List-Id ${MAIL_DIR} | sort | notmuch_dir_sanitize > EXPECTED
notmuch search --output=files 'sexp:"(List *)"' | sort | notmuch_dir_sanitize > OUTPUT
test_expect_equal_file EXPECTED OUTPUT
test_begin_subtest "wildcard search for user header 2"
grep -Ril List-Id ${MAIL_DIR} | sort | notmuch_dir_sanitize > EXPECTED
notmuch search --output=files --query=sexp '(List (starts-with not))' | sort | notmuch_dir_sanitize > OUTPUT