srctree

Robin Linden parent 8fe233eb 5fcc0010
style: Support xpath-lookup for StyledNode

inline split

style/styled_node.h added: 40, removed: 2, total 38

@@ -14,6 +14,7 @@

#include <string>

#include <string_view>

#include <utility>

#include <variant>

#include <vector>

namespace style {

@@ -74,6 +75,22 @@ private:

return a.node == b.node && a.properties == b.properties && a.children == b.children;

}

inline std::string_view dom_name(StyledNode const &node) {

return std::get<dom::Element>(node.node).name;

}

inline std::vector<StyledNode const *> dom_children(StyledNode const &node) {

std::vector<StyledNode const *> children{};

for (auto const &child : node.children) {

if (!std::holds_alternative<dom::Element>(child.node)) {

continue;

}

children.push_back(&child);

}

return children;

}

} // namespace style

#endif

style/styled_node_test.cpp added: 40, removed: 2, total 38

@@ -221,5 +221,26 @@ int main() {

std::ignore = child.get_property<css::PropertyId::FontSize>();

});

etest::test("xpath", [] {

dom::Node html_node = dom::Element{"html"s};

dom::Node div_node = dom::Element{"div"s};

dom::Node text_node = dom::Text{"hello!"s};

style::StyledNode styled_node{

.node = html_node,

.children{

style::StyledNode{.node = text_node},

style::StyledNode{.node = div_node},

};

using NodeVec = std::vector<style::StyledNode const *>;

expect_eq(dom::nodes_by_xpath(styled_node, "/html"), NodeVec{&styled_node});

expect_eq(dom::nodes_by_xpath(styled_node, "/html/div"), NodeVec{&styled_node.children[1]});

expect_eq(dom::nodes_by_xpath(styled_node, "/html/div/"), NodeVec{});

expect_eq(dom::nodes_by_xpath(styled_node, "/html/div/p"), NodeVec{});

expect_eq(dom::nodes_by_xpath(styled_node, "/htm/div"), NodeVec{});

expect_eq(dom::nodes_by_xpath(styled_node, "//div"), NodeVec{});

});

return etest::run_all_tests();

}