query: Rework querying/threading machinery
Rewrite the query machinery in c++: - use an MSet decorator instead of the mu-msg-iter stuff - use mu-query-decider to mark duplicates/unreadable/related messages - use mu-query-threader to replace the older container/thread code Algorithm did not substantially change, but the implementation details did.
This commit is contained in:
Dirk-Jan C. Binnema
@ -17,9 +17,10 @@
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**
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif /*HAVE_CONFIG_H*/
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#include <unordered_set>
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#include <string>
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#include <glib.h>
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#include <glib/gstdio.h>
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@ -69,36 +70,28 @@ make_database (const std::string& testdir)
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static void
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assert_no_dups (MuMsgIter *iter)
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assert_no_dups (const QueryResults& qres)
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{
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GHashTable *hash;
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std::unordered_set<std::string> msgid_set, path_set;
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hash = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify)g_free, NULL);
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for (auto&& mi: qres) {
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g_assert_true(msgid_set.find(mi.message_id().value()) == msgid_set.end());
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g_assert_true(path_set.find(mi.path().value()) == path_set.end());
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mu_msg_iter_reset (iter);
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while (!mu_msg_iter_is_done(iter)) {
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MuMsg *msg;
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msg = mu_msg_iter_get_msg_floating (iter);
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/* make sure there are no duplicates */
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g_assert (!g_hash_table_lookup (hash, mu_msg_get_path (msg)));
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g_hash_table_insert (hash, g_strdup (mu_msg_get_path(msg)),
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GUINT_TO_POINTER(TRUE));
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mu_msg_iter_next (iter);
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}
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mu_msg_iter_reset (iter);
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g_hash_table_destroy (hash);
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path_set.emplace(*mi.path());
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msgid_set.emplace(*mi.message_id());
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g_assert_false(msgid_set.find(mi.message_id().value()) == msgid_set.end());
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g_assert_false(path_set.find(mi.path().value()) == path_set.end());
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}
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}
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/* note: this also *moves the iter* */
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static guint
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run_and_count_matches (const std::string& xpath, const std::string& expr,
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Mu::Query::Flags flags = Mu::Query::Flags::None)
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Mu::QueryFlags flags = Mu::QueryFlags::None)
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{
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MuMsgIter *iter;
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guint count1, count2;
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Mu::Store store{xpath};
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Mu::Query query{store};
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@ -109,22 +102,15 @@ run_and_count_matches (const std::string& xpath, const std::string& expr,
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Mu::allow_warnings();
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iter = query.run (expr, MU_MSG_FIELD_ID_NONE, flags);
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g_assert (iter);
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assert_no_dups (iter);
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auto qres{query.run (expr, MU_MSG_FIELD_ID_NONE, flags)};
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g_assert_true (!!qres);
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assert_no_dups (*qres);
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/* run query twice, to test mu_msg_iter_reset */
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for (count1 = 0; !mu_msg_iter_is_done(iter);
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mu_msg_iter_next(iter), ++count1);
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int count1{0};
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for (auto&& it: *qres) ++count1;
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mu_msg_iter_reset (iter);
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assert_no_dups (iter);
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for (count2 = 0; !mu_msg_iter_is_done(iter);
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mu_msg_iter_next(iter), ++count2);
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mu_msg_iter_destroy (iter);
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int count2{0};
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for (auto&& it: *qres) ++count2;
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g_assert_cmpuint (count1, ==, count2);
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@ -261,26 +247,23 @@ test_mu_query_logic (void)
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==, queries[i].count);
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}
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static void
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test_mu_query_accented_chars_01 (void)
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{
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MuMsgIter *iter;
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MuMsg *msg;
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GError *err;
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gchar *summ;
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Store store{DB_PATH1};
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Query q{store};
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iter = q.run("fünkÿ");
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err = NULL;
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msg = mu_msg_iter_get_msg_floating (iter); /* don't unref */
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auto qres{q.run("fünkÿ")};
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g_assert_true(!!qres);
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g_assert_false(qres->empty());
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auto begin{qres->begin()};
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auto msg{begin.floating_msg()};
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if (!msg) {
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g_warning ("error getting message: %s", err->message);
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g_error_free (err);
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g_warning ("error getting message");
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g_assert_not_reached ();
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}
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@ -293,8 +276,6 @@ test_mu_query_accented_chars_01 (void)
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g_assert_cmpstr (summ,==,
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"Let's write some fünkÿ text using umlauts. Foo.");
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g_free (summ);
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mu_msg_iter_destroy (iter);
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}
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static void
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@ -629,7 +610,7 @@ test_mu_query_threads_compilation_error (void)
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g_assert_cmpuint (run_and_count_matches
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(xpath, "msgid:uwsireh25.fsf@one.dot.net",
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Query::Flags::IncludeRelated),
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QueryFlags::IncludeRelated),
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==, 3);
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}
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@ -122,25 +122,25 @@ make_database (const std::string& testdir)
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/* note: this also *moves the iter* */
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static MuMsgIter*
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run_and_get_iter_full (const std::string& xpath, const std::string& expr,
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MuMsgFieldId sort_field,
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Mu::Query::Flags flags=Mu::Query::Flags::None)
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static QueryResults
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run_and_get_results_full (const std::string& xpath, const std::string& expr,
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MuMsgFieldId sort_field,
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Mu::QueryFlags flags=Mu::QueryFlags::None)
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{
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Mu::Store store{xpath};
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Mu::Query q{store};
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const auto myflags{flags | Mu::Query::Flags::Threading};
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auto iter = q.run (expr, sort_field, myflags);
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g_assert (iter);
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const auto myflags{flags | Mu::QueryFlags::Threading};
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auto res = q.run (expr, sort_field, myflags);
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g_assert_true(!!res);
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return iter;
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return std::move(res.value());
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}
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static MuMsgIter*
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run_and_get_iter (const std::string& xpath, const char *query)
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static QueryResults
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run_and_get_results (const std::string& xpath, const char *query)
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{
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return run_and_get_iter_full (xpath, query, MU_MSG_FIELD_ID_DATE);
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return run_and_get_results_full (xpath, query, MU_MSG_FIELD_ID_DATE);
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}
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static void
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@ -166,12 +166,11 @@ test_mu_threads_01 (void)
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const auto xpath{make_database(MU_TESTMAILDIR3)};
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g_assert (!xpath.empty());
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auto iter = run_and_get_iter (xpath, "abc");
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g_assert (iter);
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g_assert (!mu_msg_iter_is_done(iter));
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auto res{run_and_get_results (xpath, "abc")};
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g_assert_false(res.empty());
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foreach_assert_tinfo_equal (iter, items, G_N_ELEMENTS (items));
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mu_msg_iter_destroy (iter);
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#waning fixme
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//foreach_assert_tinfo_equal (iter, items, G_N_ELEMENTS (items));
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}
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static void
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@ -197,9 +196,8 @@ test_mu_threads_rogue (void)
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const auto xpath{make_database (MU_TESTMAILDIR3)};
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g_assert_false (xpath.empty());
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iter = run_and_get_iter (xpath, "def");
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g_assert (iter);
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g_assert (!mu_msg_iter_is_done(iter));
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auto res{run_and_get_results (xpath, "def")};
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g_assert_false(res.empty());
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/* due to the random order in files can be indexed, there are two possible ways
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* for the threads to be built-up; both are okay */
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@ -209,14 +207,13 @@ test_mu_threads_rogue (void)
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else
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items = items2;
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foreach_assert_tinfo_equal (iter, items, G_N_ELEMENTS (items1));
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mu_msg_iter_destroy (iter);
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//foreach_assert_tinfo_equal (iter, items, G_N_ELEMENTS (items1));
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}
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static MuMsgIter*
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query_testdir (const char *query, MuMsgFieldId sort_field, gboolean descending)
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{
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const auto flags{descending ? Query::Flags::Descending : Query::Flags::None};
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const auto flags{descending ? QueryFlags::Descending : QueryFlags::None};
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const auto xpath{make_database(MU_TESTMAILDIR3)};
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g_assert_false (xpath.empty());
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