lib/thread: rewrite _parent_or_toplevel to use depths

[notmuch] / lib / database-private.h

diff --git a/lib/database-private.h b/lib/database-private.h
index e2e4bc8721744a91d2b06cfadef8c959f5d48de7..a499b2594be44d5a12ae671e668f5ab1f6b9c905 100644 (file)
--- a/lib/database-private.h
+++ b/lib/database-private.h
@@ -13,7 +13,7 @@
  * 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 http://www.gnu.org/licenses/ .
+ * along with this program.  If not, see https://www.gnu.org/licenses/ .
  *
  * Author: Carl Worth <cworth@cworth.org>
  */
@@ -32,9 +32,11 @@
 
 #include "notmuch-private.h"
 
-#include <xapian.h>
+#ifdef SILENCE_XAPIAN_DEPRECATION_WARNINGS
+#define XAPIAN_DEPRECATED(D) D
+#endif
 
-#pragma GCC visibility push(hidden)
+#include <xapian.h>
 
 /* Bit masks for _notmuch_database::features.  Features are named,
  * independent aspects of the database schema.
@@ -92,6 +94,20 @@ enum _notmuch_features {
      *
      * Introduced: version 3. */
     NOTMUCH_FEATURE_GHOSTS = 1 << 4,
+
+
+    /* If set, then the database was created after the introduction of
+     * indexed mime types. If unset, then the database may contain a
+     * mixture of messages with indexed and non-indexed mime types.
+     *
+     * Introduced: version 3. */
+    NOTMUCH_FEATURE_INDEXED_MIMETYPES = 1 << 5,
+
+    /* If set, messages store the revision number of the last
+     * modification in NOTMUCH_VALUE_LAST_MOD.
+     *
+     * Introduced: version 3. */
+    NOTMUCH_FEATURE_LAST_MOD = 1 << 6,
 };
 
 /* In C++, a named enum is its own type, so define bitwise operators
@@ -130,13 +146,47 @@ operator&=(_notmuch_features &a, _notmuch_features b)
     return a;
 }
 
+/*
+ * Configuration options for xapian database fields */
+typedef enum notmuch_field_flags {
+    NOTMUCH_FIELD_NO_FLAGS = 0,
+    NOTMUCH_FIELD_EXTERNAL = 1 << 0,
+    NOTMUCH_FIELD_PROBABILISTIC = 1 << 1,
+    NOTMUCH_FIELD_PROCESSOR = 1 << 2,
+} notmuch_field_flag_t;
+
+/*
+ * define bitwise operators to hide casts */
+inline notmuch_field_flag_t
+operator|(notmuch_field_flag_t a, notmuch_field_flag_t b)
+{
+    return static_cast<notmuch_field_flag_t>(
+       static_cast<unsigned>(a) | static_cast<unsigned>(b));
+}
+
+inline notmuch_field_flag_t
+operator&(notmuch_field_flag_t a, notmuch_field_flag_t b)
+{
+    return static_cast<notmuch_field_flag_t>(
+       static_cast<unsigned>(a) & static_cast<unsigned>(b));
+}
+
+#define NOTMUCH_QUERY_PARSER_FLAGS (Xapian::QueryParser::FLAG_BOOLEAN | \
+                                   Xapian::QueryParser::FLAG_PHRASE | \
+                                   Xapian::QueryParser::FLAG_LOVEHATE | \
+                                   Xapian::QueryParser::FLAG_BOOLEAN_ANY_CASE | \
+                                   Xapian::QueryParser::FLAG_WILDCARD | \
+                                   Xapian::QueryParser::FLAG_PURE_NOT)
+
 struct _notmuch_database {
-    notmuch_bool_t exception_reported;
+    bool exception_reported;
 
     char *path;
 
     notmuch_database_mode_t mode;
     int atomic_nesting;
+    /* true if changes have been made in this atomic section */
+    bool atomic_dirty;
     Xapian::Database *xapian_db;
 
     /* Bit mask of features used by this database.  This is a
@@ -146,10 +196,25 @@ struct _notmuch_database {
     unsigned int last_doc_id;
     uint64_t last_thread_id;
 
+    /* error reporting; this value persists only until the
+     * next library call. May be NULL */
+    char *status_string;
+
+    /* Highest committed revision number.  Modifications are recorded
+     * under a higher revision number, which can be generated with
+     * notmuch_database_new_revision. */
+    unsigned long revision;
+    const char *uuid;
+
+    /* Keep track of the number of times the database has been re-opened
+     * (or other global invalidations of notmuch's caching)
+     */
+    unsigned long view;
     Xapian::QueryParser *query_parser;
     Xapian::TermGenerator *term_gen;
     Xapian::ValueRangeProcessor *value_range_processor;
     Xapian::ValueRangeProcessor *date_range_processor;
+    Xapian::ValueRangeProcessor *last_mod_range_processor;
 };
 
 /* Prior to database version 3, features were implied by the database
@@ -161,12 +226,14 @@ struct _notmuch_database {
 
 /* Current database features.  If any of these are missing from a
  * database, request an upgrade.
- * NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES is not included because
- * upgrade doesn't currently introduce the feature (though brand new
- * databases will have it). */
+ * NOTMUCH_FEATURE_FROM_SUBJECT_ID_VALUES and
+ * NOTMUCH_FEATURE_INDEXED_MIMETYPES are not included because upgrade
+ * doesn't currently introduce the features (though brand new databases
+ * will have it). */
 #define NOTMUCH_FEATURES_CURRENT \
     (NOTMUCH_FEATURE_FILE_TERMS | NOTMUCH_FEATURE_DIRECTORY_DOCS | \
-     NOTMUCH_FEATURE_BOOL_FOLDER)
+     NOTMUCH_FEATURE_BOOL_FOLDER | NOTMUCH_FEATURE_GHOSTS | \
+     NOTMUCH_FEATURE_LAST_MOD)
 
 /* Return the list of terms from the given iterator matching a prefix.
  * The prefix will be stripped from the strings in the returned list.
@@ -179,6 +246,10 @@ _notmuch_database_get_terms_with_prefix (void *ctx, Xapian::TermIterator &i,
                                         Xapian::TermIterator &end,
                                         const char *prefix);
 
-#pragma GCC visibility pop
-
+void
+_notmuch_database_find_doc_ids (notmuch_database_t *notmuch,
+                               const char *prefix_name,
+                               const char *value,
+                               Xapian::PostingIterator *begin,
+                               Xapian::PostingIterator *end);
 #endif