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+ Sun, 10 Jan 2016 02:51:47 -0000\r
+From: David Bremner <david@tethera.net>\r
+To: notmuch@notmuchmail.org\r
+Subject: [WIP patch 3/9] lib: add and test function to retrive current key\r
+Date: Sat, 9 Jan 2016 22:51:35 -0400\r
+Message-Id: <1452394301-29499-4-git-send-email-david@tethera.net>\r
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+\r
+---\r
+ lib/metadata.cc | 17 +++++++++++++++++\r
+ lib/notmuch.h | 6 ++++++\r
+ test/T590-metadata.sh | 4 +++-\r
+ 3 files changed, 26 insertions(+), 1 deletion(-)\r
+\r
+diff --git a/lib/metadata.cc b/lib/metadata.cc\r
+index 5d319c5..20805e5 100644\r
+--- a/lib/metadata.cc\r
++++ b/lib/metadata.cc\r
+@@ -26,6 +26,7 @@ struct _notmuch_metadata {\r
+ notmuch_database_t *notmuch;\r
+ Xapian::TermIterator *iterator;\r
+ notmuch_metadata_class_t mclass;\r
++ char *current_key;\r
+ };\r
+ \r
+ static int\r
+@@ -180,6 +181,7 @@ notmuch_database_get_all_metadata (notmuch_database_t *notmuch,\r
+ list->iterator = new Xapian::TermIterator;\r
+ list->notmuch = notmuch;\r
+ list->mclass = mclass;\r
++ list->current_key = NULL;\r
+ \r
+ try {\r
+ \r
+@@ -211,3 +213,18 @@ notmuch_metadata_valid (notmuch_metadata_t *metadata)\r
+ \r
+ return (strncmp((**(metadata->iterator)).c_str (), prefix, strlen (prefix)) == 0);\r
+ }\r
++\r
++const char *\r
++notmuch_metadata_key (notmuch_metadata_t *metadata)\r
++{\r
++ const char *prefix = _find_metadata_prefix (metadata->mclass);\r
++\r
++ if (metadata->current_key)\r
++ talloc_free (metadata->current_key);\r
++ metadata->current_key = talloc_strdup (metadata, (**(metadata->iterator)).c_str () + strlen (prefix));\r
++\r
++ return metadata->current_key;\r
++}\r
++\r
++const char *\r
++}\r
+diff --git a/lib/notmuch.h b/lib/notmuch.h\r
+index a2b7040..16d0973 100644\r
+--- a/lib/notmuch.h\r
++++ b/lib/notmuch.h\r
+@@ -1866,6 +1866,12 @@ notmuch_database_get_all_metadata (notmuch_database_t *db, notmuch_metadata_clas\r
+ */\r
+ notmuch_bool_t\r
+ notmuch_metadata_valid (notmuch_metadata_t *metadata);\r
++\r
++/**\r
++ * return key for current metadata pair\r
++ */\r
++const char *\r
++notmuch_metadata_key (notmuch_metadata_t *metadata);\r
+ /* @} */\r
+ \r
+ NOTMUCH_END_DECLS\r
+diff --git a/test/T590-metadata.sh b/test/T590-metadata.sh\r
+index c36a7d7..2c44746 100755\r
+--- a/test/T590-metadata.sh\r
++++ b/test/T590-metadata.sh\r
+@@ -55,17 +55,19 @@ testkey2 = testvalue2\r
+ EOF\r
+ test_expect_equal_file EXPECTED OUTPUT\r
+ \r
+-test_begin_subtest "notmuch_database_get_all_metadata initially valid"\r
++test_begin_subtest "notmuch_database_get_all_metadata first item"\r
+ cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}\r
+ {\r
+ notmuch_metadata_t *meta;\r
+ RUN(notmuch_database_get_all_metadata (db, NOTMUCH_METADATA_CONFIG, &meta));\r
+ printf("valid = %d\n", notmuch_metadata_valid (meta));\r
++ printf("key = %s\n", notmuch_metadata_key (meta));\r
+ }\r
+ EOF\r
+ cat <<'EOF' >EXPECTED\r
+ == stdout ==\r
+ valid = 1\r
++key = testkey1\r
+ == stderr ==\r
+ EOF\r
+ test_expect_equal_file EXPECTED OUTPUT\r
+-- \r
+2.6.4\r
+\r