Mercurial > minori
diff dep/pugixml/docs/samples/traverse_predicate.cpp @ 55:d10b6c6b432e
add xml lib, we will need to use it eventually
author | Paper <mrpapersonic@gmail.com> |
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date | Tue, 26 Sep 2023 12:37:08 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/pugixml/docs/samples/traverse_predicate.cpp Tue Sep 26 12:37:08 2023 -0400 @@ -0,0 +1,48 @@ +#include "pugixml.hpp" + +#include <string.h> +#include <iostream> + +// tag::decl[] +bool small_timeout(pugi::xml_node node) +{ + return node.attribute("Timeout").as_int() < 20; +} + +struct allow_remote_predicate +{ + bool operator()(pugi::xml_attribute attr) const + { + return strcmp(attr.name(), "AllowRemote") == 0; + } + + bool operator()(pugi::xml_node node) const + { + return node.attribute("AllowRemote").as_bool(); + } +}; +// end::decl[] + +int main() +{ + pugi::xml_document doc; + if (!doc.load_file("xgconsole.xml")) return -1; + + pugi::xml_node tools = doc.child("Profile").child("Tools"); + + // tag::find[] + // Find child via predicate (looks for direct children only) + std::cout << tools.find_child(allow_remote_predicate()).attribute("Filename").value() << std::endl; + + // Find node via predicate (looks for all descendants in depth-first order) + std::cout << doc.find_node(allow_remote_predicate()).attribute("Filename").value() << std::endl; + + // Find attribute via predicate + std::cout << tools.last_child().find_attribute(allow_remote_predicate()).value() << std::endl; + + // We can use simple functions instead of function objects + std::cout << tools.find_child(small_timeout).attribute("Filename").value() << std::endl; + // end::find[] +} + +// vim:et