From: Sebastian Harl <sh@tokkee.org>
Date: Fri, 17 Oct 2014 06:36:42 +0000 (+0200)
Subject: store: Added sdb_store_parse_matcher_op().
X-Git-Tag: sysdb-0.6.0~113
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=2854b039898a32f1f4cc366dda97e3a3566529b3;p=sysdb.git

store: Added sdb_store_parse_matcher_op().

This function parses the string representation of an operator and returns a
constructor for the respective matcher.
---

diff --git a/src/core/store_lookup.c b/src/core/store_lookup.c
index cb3629c..325d67f 100644
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
@@ -1242,6 +1242,28 @@ sdb_store_isnull_matcher(const char *attr_name)
 				MATCHER_ISNULL, attr_name));
 } /* sdb_store_isnull_matcher */
 
+sdb_store_matcher_op_cb
+sdb_store_parse_matcher_op(const char *op)
+{
+	if (! strcasecmp(op, "<"))
+		return sdb_store_cmp_lt;
+	else if (! strcasecmp(op, "<="))
+		return sdb_store_cmp_le;
+	else if (! strcasecmp(op, "="))
+		return sdb_store_cmp_eq;
+	else if (! strcasecmp(op, "!="))
+		return sdb_store_cmp_ne;
+	else if (! strcasecmp(op, ">="))
+		return sdb_store_cmp_ge;
+	else if (! strcasecmp(op, ">"))
+		return sdb_store_cmp_gt;
+	else if (! strcasecmp(op, "=~"))
+		return sdb_store_regex_matcher;
+	else if (! strcasecmp(op, "!~"))
+		return sdb_store_nregex_matcher;
+	return NULL;
+} /* sdb_store_parse_matcher_op */
+
 int
 sdb_store_parse_object_type_plural(const char *name)
 {
diff --git a/src/include/core/store.h b/src/include/core/store.h
index 5e57185..147d745 100644
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
@@ -470,6 +470,25 @@ sdb_store_regex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
 sdb_store_matcher_t *
 sdb_store_nregex_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
 
+/*
+ * sdb_store_matcher_op_cb:
+ * Callback constructing a matcher operator.
+ */
+typedef sdb_store_matcher_t *(*sdb_store_matcher_op_cb)
+	(sdb_store_expr_t *, sdb_store_expr_t *);
+
+/*
+ * sdb_store_parse_matcher_op:
+ * Parse a matcher operator and return a constructor for the respective
+ * matcher.
+ *
+ * Returns:
+ *  - matcher operator constructor on success
+ *  - NULL else
+ */
+sdb_store_matcher_op_cb
+sdb_store_parse_matcher_op(const char *op);
+
 /*
  * sdb_store_parse_object_type_plural:
  * Parse the type name (plural) of a stored object.