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| author | Arseny Kapoulkine <arseny.kapoulkine@gmail.com> | 2014-10-19 07:33:42 +0000 |
|---|---|---|
| committer | Arseny Kapoulkine <arseny.kapoulkine@gmail.com> | 2014-10-19 07:33:42 +0000 |
| commit | f6635588758ed1b650be22903c2e2e81273e05c5 (patch) | |
| tree | 636fee26ff162d178e249c779f2af8d7e668981e /src/pugixml.hpp | |
| parent | 72ec01c5f6d23405f30614d63fafa048279ca13d (diff) | |
XPath: Introduce xpath_query::evaluate_node
This method is equivalent to xml_node::select_single_node. This makes
select_single_node faster in certain cases by avoiding an allocation and -
more importantly - paves the way for future step optimizations.
git-svn-id: https://pugixml.googlecode.com/svn/trunk@1064 99668b35-9821-0410-8761-19e4c4f06640
Diffstat (limited to 'src/pugixml.hpp')
| -rw-r--r-- | src/pugixml.hpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/pugixml.hpp b/src/pugixml.hpp index 69b2cb2..2947bf4 100644 --- a/src/pugixml.hpp +++ b/src/pugixml.hpp @@ -1134,6 +1134,12 @@ namespace pugi // If PUGIXML_NO_EXCEPTIONS is defined, returns empty node set instead. xpath_node_set evaluate_node_set(const xpath_node& n) const; + // Evaluate expression as node set in the specified context. + // Return first node in document order, or empty node if node set is empty. + // If PUGIXML_NO_EXCEPTIONS is not defined, throws xpath_exception on type mismatch and std::bad_alloc on out of memory errors. + // If PUGIXML_NO_EXCEPTIONS is defined, returns empty node instead. + xpath_node evaluate_node(const xpath_node& n) const; + // Get parsing result (used to get compilation errors in PUGIXML_NO_EXCEPTIONS mode) const xpath_parse_result& result() const; |