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annotate dep/pugixml/docs/samples/traverse_walker.cpp @ 198:bc1ae1810855

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dep/animia: switch from using classes to global functions the old idea was ok, but sort of hackish; this method doesn't use classes at all, and this way (especially important!) we can do wayland stuff AND x11 at the same time, which wasn't really possible without stupid workarounds in the other method
author Paper <mrpapersonic@gmail.com>
date Sun, 24 Dec 2023 02:59:42 -0500
parents d10b6c6b432e
children
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1 #include "pugixml.hpp"
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2
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3 #include <iostream>
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4
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5 const char* node_types[] =
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6 {
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7 "null", "document", "element", "pcdata", "cdata", "comment", "pi", "declaration"
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8 };
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9
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10 // tag::impl[]
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11 struct simple_walker: pugi::xml_tree_walker
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12 {
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13 virtual bool for_each(pugi::xml_node& node)
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14 {
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15 for (int i = 0; i < depth(); ++i) std::cout << " "; // indentation
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16
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17 std::cout << node_types[node.type()] << ": name='" << node.name() << "', value='" << node.value() << "'\n";
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18
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19 return true; // continue traversal
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20 }
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21 };
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22 // end::impl[]
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23
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24 int main()
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25 {
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26 pugi::xml_document doc;
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27 if (!doc.load_file("tree.xml")) return -1;
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28
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29 // tag::traverse[]
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30 simple_walker walker;
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31 doc.traverse(walker);
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32 // end::traverse[]
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33 }
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34
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35 // vim:et