Mercurial > minori
view dep/pugixml/docs/samples/traverse_predicate.cpp @ 261:3ec7804abf17
include: make header guards more sane
The C++ standard[1] says:
Each identifier that contains a double underscore __ or
begins with an underscore followed by an uppercase letter
is reserved to the implementation for any use.
[1]: https://timsong-cpp.github.io/cppwp/n4659/lex.name#3.1
author | Paper <paper@paper.us.eu.org> |
---|---|
date | Wed, 03 Apr 2024 20:04:28 -0400 |
parents | d10b6c6b432e |
children |
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#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