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annotate dep/pugixml/docs/samples/traverse_walker.cpp @ 55:d10b6c6b432e

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add xml lib, we will need to use it eventually
author Paper <mrpapersonic@gmail.com>
date Tue, 26 Sep 2023 12:37:08 -0400 (2023-09-26)
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d10b6c6b432e add xml lib, we will need to use it eventually
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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