X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=lib%2Fparse-sexp.cc;h=291480ca6e4dce8069436fad53f087cfbffc414c;hb=9b9eb1d8bd6464f044facef9507c5988c3d953ca;hp=e562e8f5f0f9fa8f002fbc10389ce3fc49b7ba97;hpb=cc5992a30470222791c24849da04a3c0403ecce5;p=notmuch

diff --git a/lib/parse-sexp.cc b/lib/parse-sexp.cc
index e562e8f5..291480ca 100644
--- a/lib/parse-sexp.cc
+++ b/lib/parse-sexp.cc
@@ -17,6 +17,7 @@ typedef enum {
     SEXP_FLAG_DO_REGEX	= 1 << 5,
     SEXP_FLAG_EXPAND	= 1 << 6,
     SEXP_FLAG_DO_EXPAND = 1 << 7,
+    SEXP_FLAG_ORPHAN	= 1 << 8,
 } _sexp_flag_t;
 
 /*
@@ -58,7 +59,7 @@ static _sexp_prefix_t prefixes[] =
     { "id",             Xapian::Query::OP_OR,           Xapian::Query::MatchNothing,
       SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN | SEXP_FLAG_WILDCARD | SEXP_FLAG_REGEX },
     { "infix",          Xapian::Query::OP_INVALID,      Xapian::Query::MatchAll,
-      SEXP_FLAG_SINGLE },
+      SEXP_FLAG_SINGLE | SEXP_FLAG_ORPHAN },
     { "is",             Xapian::Query::OP_AND,          Xapian::Query::MatchAll,
       SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN | SEXP_FLAG_WILDCARD | SEXP_FLAG_REGEX | SEXP_FLAG_EXPAND },
     { "matching",       Xapian::Query::OP_AND,          Xapian::Query::MatchAll,
@@ -77,6 +78,8 @@ static _sexp_prefix_t prefixes[] =
       SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN | SEXP_FLAG_WILDCARD | SEXP_FLAG_REGEX },
     { "property",       Xapian::Query::OP_AND,          Xapian::Query::MatchAll,
       SEXP_FLAG_FIELD | SEXP_FLAG_BOOLEAN | SEXP_FLAG_WILDCARD | SEXP_FLAG_REGEX | SEXP_FLAG_EXPAND },
+    { "query",          Xapian::Query::OP_INVALID,      Xapian::Query::MatchNothing,
+      SEXP_FLAG_SINGLE | SEXP_FLAG_ORPHAN },
     { "regex",          Xapian::Query::OP_INVALID,      Xapian::Query::MatchAll,
       SEXP_FLAG_SINGLE | SEXP_FLAG_DO_REGEX },
     { "rx",             Xapian::Query::OP_INVALID,      Xapian::Query::MatchAll,
@@ -166,7 +169,7 @@ _sexp_parse_wildcard (notmuch_database_t *notmuch,
 		      Xapian::Query &output)
 {
 
-    std::string term_prefix = parent ? _find_prefix (parent->name) : "";
+    std::string term_prefix = parent ? _notmuch_database_prefix (notmuch, parent->name) : "";
 
     if (parent && ! (parent->flags & SEXP_FLAG_WILDCARD)) {
 	_notmuch_database_log (notmuch, "'%s' does not support wildcard queries\n", parent->name);
@@ -245,13 +248,8 @@ _sexp_expand_query (notmuch_database_t *notmuch,
 }
 
 static notmuch_status_t
-_sexp_parse_infix (notmuch_database_t *notmuch,  const _sexp_prefix_t *parent,
-		   const sexp_t *sx, Xapian::Query &output)
+_sexp_parse_infix (notmuch_database_t *notmuch, const sexp_t *sx, Xapian::Query &output)
 {
-    if (parent) {
-	_notmuch_database_log (notmuch, "'infix' not supported inside '%s'\n", parent->name);
-	return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
-    }
     try {
 	output = notmuch->query_parser->parse_query (sx->val, NOTMUCH_QUERY_PARSER_FLAGS);
     } catch (const Xapian::QueryParserError &error) {
@@ -272,6 +270,70 @@ _sexp_parse_infix (notmuch_database_t *notmuch,  const _sexp_prefix_t *parent,
     return NOTMUCH_STATUS_SUCCESS;
 }
 
+static notmuch_status_t
+_sexp_parse_header (notmuch_database_t *notmuch, const _sexp_prefix_t *parent,
+		    const sexp_t *sx, Xapian::Query &output)
+{
+    _sexp_prefix_t user_prefix;
+
+    user_prefix.name = sx->list->val;
+    user_prefix.flags = SEXP_FLAG_FIELD | SEXP_FLAG_WILDCARD;
+
+    if (parent) {
+	_notmuch_database_log (notmuch, "nested field: '%s' inside '%s'\n",
+			       sx->list->val, parent->name);
+	return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
+    }
+
+    parent = &user_prefix;
+
+    return _sexp_combine_query (notmuch, parent, Xapian::Query::OP_AND, Xapian::Query::MatchAll,
+				sx->list->next, output);
+}
+
+static notmuch_status_t
+maybe_saved_squery (notmuch_database_t *notmuch, const _sexp_prefix_t *parent, const sexp_t *sx,
+		    Xapian::Query &output)
+{
+    char *key;
+    char *expansion = NULL;
+    notmuch_status_t status;
+    sexp_t *saved_sexp;
+    void *local = talloc_new (notmuch);
+    char *buf;
+
+    key = talloc_asprintf (local, "squery.%s", sx->list->val);
+    if (! key) {
+	status = NOTMUCH_STATUS_OUT_OF_MEMORY;
+	goto DONE;
+    }
+
+    status = notmuch_database_get_config (notmuch, key, &expansion);
+    if (status)
+	goto DONE;
+    if (EMPTY_STRING (expansion)) {
+	status = NOTMUCH_STATUS_IGNORED;
+	goto DONE;
+    }
+
+    buf = talloc_strdup (local, expansion);
+    /* XXX TODO: free this memory */
+    saved_sexp = parse_sexp (buf, strlen (expansion));
+    if (! saved_sexp) {
+	_notmuch_database_log (notmuch, "invalid saved s-expression query: '%s'\n", expansion);
+	status = NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
+	goto DONE;
+    }
+
+    status =  _sexp_to_xapian_query (notmuch, parent, saved_sexp, output);
+
+  DONE:
+    if (local)
+	talloc_free (local);
+
+    return status;
+}
+
 /* Here we expect the s-expression to be a proper list, with first
  * element defining and operation, or as a special case the empty
  * list */
@@ -280,8 +342,10 @@ static notmuch_status_t
 _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent, const sexp_t *sx,
 		       Xapian::Query &output)
 {
+    notmuch_status_t status;
+
     if (sx->ty == SEXP_VALUE) {
-	std::string term_prefix = parent ? _find_prefix (parent->name) : "";
+	std::string term_prefix = parent ? _notmuch_database_prefix (notmuch, parent->name) : "";
 
 	if (sx->aty == SEXP_BASIC && strcmp (sx->val, "*") == 0) {
 	    return _sexp_parse_wildcard (notmuch, parent, "", output);
@@ -291,15 +355,15 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
 	    output = Xapian::Query (term_prefix + sx->val);
 	    return NOTMUCH_STATUS_SUCCESS;
 	}
+
 	if (parent) {
 	    return _sexp_parse_one_term (notmuch, term_prefix, sx, output);
 	} else {
 	    Xapian::Query accumulator;
 	    for (_sexp_prefix_t *prefix = prefixes; prefix->name; prefix++) {
 		if (prefix->flags & SEXP_FLAG_FIELD) {
-		    notmuch_status_t status;
 		    Xapian::Query subquery;
-		    term_prefix = _find_prefix (prefix->name);
+		    term_prefix = _notmuch_database_prefix (notmuch, prefix->name);
 		    status = _sexp_parse_one_term (notmuch, term_prefix, sx, subquery);
 		    if (status)
 			return status;
@@ -323,6 +387,15 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
 	return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
     }
 
+    status = maybe_saved_squery (notmuch, parent, sx, output);
+    if (status != NOTMUCH_STATUS_IGNORED)
+	return status;
+
+    /* Check for user defined field */
+    if (_notmuch_string_map_get (notmuch->user_prefix, sx->list->val)) {
+	return _sexp_parse_header (notmuch, parent, sx, output);
+    }
+
     for (_sexp_prefix_t *prefix = prefixes; prefix && prefix->name; prefix++) {
 	if (strcmp (prefix->name, sx->list->val) == 0) {
 	    if (prefix->flags & SEXP_FLAG_FIELD) {
@@ -334,6 +407,12 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
 		parent = prefix;
 	    }
 
+	    if (parent && (prefix->flags & SEXP_FLAG_ORPHAN)) {
+		_notmuch_database_log (notmuch, "'%s' not supported inside '%s'\n",
+				       prefix->name, parent->name);
+		return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
+	    }
+
 	    if ((prefix->flags & SEXP_FLAG_SINGLE) &&
 		(! sx->list->next || sx->list->next->next || sx->list->next->ty != SEXP_VALUE)) {
 		_notmuch_database_log (notmuch, "'%s' expects single atom as argument\n",
@@ -342,7 +421,11 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
 	    }
 
 	    if (strcmp (prefix->name, "infix") == 0) {
-		return _sexp_parse_infix (notmuch, parent, sx->list->next, output);
+		return _sexp_parse_infix (notmuch, sx->list->next, output);
+	    }
+
+	    if (strcmp (prefix->name, "query") == 0) {
+		return _notmuch_query_name_to_query (notmuch, sx->list->next->val, output);
 	    }
 
 	    if (prefix->xapian_op == Xapian::Query::OP_WILDCARD)
@@ -362,7 +445,6 @@ _sexp_to_xapian_query (notmuch_database_t *notmuch, const _sexp_prefix_t *parent
     }
 
     _notmuch_database_log (notmuch, "unknown prefix '%s'\n", sx->list->val);
-
     return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
 }