diff options
Diffstat (limited to 'src/pugixml.hpp')
| -rw-r--r-- | src/pugixml.hpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/pugixml.hpp b/src/pugixml.hpp index 4fba668..4c447dc 100644 --- a/src/pugixml.hpp +++ b/src/pugixml.hpp @@ -258,6 +258,16 @@ namespace pugi class xpath_ast_node;
class xpath_allocator;
+ /// XPath query return type classification
+ enum xpath_type_t
+ {
+ xpath_type_none, ///< Unknown type (query failed to compile)
+ xpath_type_node_set, ///< Node set (\see xpath_node_set)
+ xpath_type_number, ///< Number
+ xpath_type_string, ///< String
+ xpath_type_boolean ///< Boolean
+ };
+
/**
* A class that holds compiled XPath query and allows to evaluate query result
*/
@@ -286,6 +296,13 @@ namespace pugi * Dtor
*/
~xpath_query();
+
+ /**
+ * Get query expression return type
+ *
+ * \return expression return type
+ **/
+ xpath_type_t return_type() const;
/**
* Evaluate expression as boolean value for the context node \a n.
@@ -322,7 +339,7 @@ namespace pugi /**
* Evaluate expression as node set for the context node \a n.
- * If expression does not directly evaluate to node set, function returns empty node set.
+ * If expression does not directly evaluate to node set, throws xpath_exception.
* Throws std::bad_alloc on out of memory error.
*
* \param n - context node
|