--- /dev/null
+#include "database-private.h"
+#include "query-fp.h"
+#include "thread-fp.h"
+#include "regexp-fields.h"
+#include "parse-time-vrp.h"
+
+typedef struct {
+ const char *name;
+ const char *prefix;
+ notmuch_field_flag_t flags;
+} prefix_t;
+
+/* With these prefix values we follow the conventions published here:
+ *
+ * https://xapian.org/docs/omega/termprefixes.html
+ *
+ * as much as makes sense. Note that I took some liberty in matching
+ * the reserved prefix values to notmuch concepts, (for example, 'G'
+ * is documented as "newsGroup (or similar entity - e.g. a web forum
+ * name)", for which I think the thread is the closest analogue in
+ * notmuch. This in spite of the fact that we will eventually be
+ * storing mailing-list messages where 'G' for "mailing list name"
+ * might be even a closer analogue. I'm treating the single-character
+ * prefixes preferentially for core notmuch concepts (which will be
+ * nearly universal to all mail messages).
+ */
+
+static const
+prefix_t prefix_table[] = {
+ /* name term prefix flags */
+ { "type", "T", NOTMUCH_FIELD_NO_FLAGS },
+ { "reference", "XREFERENCE", NOTMUCH_FIELD_NO_FLAGS },
+ { "replyto", "XREPLYTO", NOTMUCH_FIELD_NO_FLAGS },
+ { "directory", "XDIRECTORY", NOTMUCH_FIELD_NO_FLAGS },
+ { "file-direntry", "XFDIRENTRY", NOTMUCH_FIELD_NO_FLAGS },
+ { "directory-direntry", "XDDIRENTRY", NOTMUCH_FIELD_NO_FLAGS },
+ { "body", "", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROBABILISTIC },
+ { "thread", "G", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "tag", "K", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "is", "K", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "id", "Q", NOTMUCH_FIELD_EXTERNAL },
+ { "mid", "Q", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "path", "P", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "property", "XPROPERTY", NOTMUCH_FIELD_EXTERNAL },
+ /*
+ * Unconditionally add ':' to reduce potential ambiguity with
+ * overlapping prefixes and/or terms that start with capital
+ * letters. See Xapian document termprefixes.html for related
+ * discussion.
+ */
+ { "folder", "XFOLDER:", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "date", NULL, NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "query", NULL, NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "from", "XFROM", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROBABILISTIC |
+ NOTMUCH_FIELD_PROCESSOR },
+ { "to", "XTO", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROBABILISTIC },
+ { "attachment", "XATTACHMENT", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROBABILISTIC },
+ { "mimetype", "XMIMETYPE", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROBABILISTIC },
+ { "subject", "XSUBJECT", NOTMUCH_FIELD_EXTERNAL |
+ NOTMUCH_FIELD_PROBABILISTIC |
+ NOTMUCH_FIELD_PROCESSOR },
+};
+
+static const char *
+_user_prefix (void *ctx, const char *name)
+{
+ return talloc_asprintf (ctx, "XU%s:", name);
+}
+
+const char *
+_find_prefix (const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE (prefix_table); i++) {
+ if (strcmp (name, prefix_table[i].name) == 0)
+ return prefix_table[i].prefix;
+ }
+
+ INTERNAL_ERROR ("No prefix exists for '%s'\n", name);
+
+ return "";
+}
+
+/* Like find prefix, but include the possibility of user defined
+ * prefixes specific to this database */
+
+const char *
+_notmuch_database_prefix (notmuch_database_t *notmuch, const char *name)
+{
+ unsigned int i;
+
+ /*XXX TODO: reduce code duplication */
+ for (i = 0; i < ARRAY_SIZE (prefix_table); i++) {
+ if (strcmp (name, prefix_table[i].name) == 0)
+ return prefix_table[i].prefix;
+ }
+
+ if (notmuch->user_prefix)
+ return _notmuch_string_map_get (notmuch->user_prefix, name);
+
+ return NULL;
+}
+
+static void
+_setup_query_field_default (const prefix_t *prefix, notmuch_database_t *notmuch)
+{
+ if (prefix->prefix)
+ notmuch->query_parser->add_prefix ("", prefix->prefix);
+ if (prefix->flags & NOTMUCH_FIELD_PROBABILISTIC)
+ notmuch->query_parser->add_prefix (prefix->name, prefix->prefix);
+ else
+ notmuch->query_parser->add_boolean_prefix (prefix->name, prefix->prefix);
+}
+
+static void
+_setup_query_field (const prefix_t *prefix, notmuch_database_t *notmuch)
+{
+ if (prefix->flags & NOTMUCH_FIELD_PROCESSOR) {
+ Xapian::FieldProcessor *fp;
+
+ if (STRNCMP_LITERAL (prefix->name, "date") == 0)
+ fp = (new DateFieldProcessor(NOTMUCH_VALUE_TIMESTAMP))->release ();
+ else if (STRNCMP_LITERAL(prefix->name, "query") == 0)
+ 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
+ fp = (new RegexpFieldProcessor (prefix->name, prefix->flags,
+ *notmuch->query_parser, notmuch))->release ();
+
+ /* we treat all field-processor fields as boolean in order to get the raw input */
+ if (prefix->prefix)
+ notmuch->query_parser->add_prefix ("", prefix->prefix);
+ notmuch->query_parser->add_boolean_prefix (prefix->name, fp);
+ } else {
+ _setup_query_field_default (prefix, notmuch);
+ }
+}
+
+notmuch_status_t
+_notmuch_database_setup_standard_query_fields (notmuch_database_t *notmuch)
+{
+ for (unsigned int i = 0; i < ARRAY_SIZE (prefix_table); i++) {
+ const prefix_t *prefix = &prefix_table[i];
+ if (prefix->flags & NOTMUCH_FIELD_EXTERNAL) {
+ _setup_query_field (prefix, notmuch);
+ }
+ }
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
+notmuch_status_t
+_notmuch_database_setup_user_query_fields (notmuch_database_t *notmuch)
+{
+ notmuch_config_list_t *list;
+ notmuch_status_t status;
+
+ notmuch->user_prefix = _notmuch_string_map_create (notmuch);
+ if (notmuch->user_prefix == NULL)
+ return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
+ notmuch->user_header = _notmuch_string_map_create (notmuch);
+ if (notmuch->user_header == NULL)
+ return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
+ status = notmuch_database_get_config_list (notmuch, CONFIG_HEADER_PREFIX, &list);
+ if (status)
+ return status;
+
+ for (; notmuch_config_list_valid (list); notmuch_config_list_move_to_next (list)) {
+
+ prefix_t query_field;
+
+ const char *key = notmuch_config_list_key (list)
+ + sizeof (CONFIG_HEADER_PREFIX) - 1;
+
+ _notmuch_string_map_append (notmuch->user_prefix,
+ key,
+ _user_prefix (notmuch, key));
+
+ _notmuch_string_map_append (notmuch->user_header,
+ key,
+ notmuch_config_list_value (list));
+
+ query_field.name = talloc_strdup (notmuch, key);
+ query_field.prefix = _user_prefix (notmuch, key);
+ query_field.flags = NOTMUCH_FIELD_PROBABILISTIC
+ | NOTMUCH_FIELD_EXTERNAL;
+
+ _setup_query_field_default (&query_field, notmuch);
+ }
+
+ notmuch_config_list_destroy (list);
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
projects / notmuch / blobdiff