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annotate dep/pugixml/docs/samples/traverse_walker.cpp @ 137:69db40272acd

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dep/animia: [WIP] huge refactor this WILL NOT compile, because lots of code has been changed and every API in the original codebase has been removed. note that this api setup is not exactly permanent...
author Paper <mrpapersonic@gmail.com>
date Fri, 10 Nov 2023 13:52:47 -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