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annotate dep/pugixml/docs/samples/modify_base.cpp @ 350:daa03aa2262d

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sys/glib: general cleanup, use C++ principles, add more suffixes
author Paper <paper@paper.us.eu.org>
date Sun, 14 Jul 2024 19:12:40 -0400
parents d10b6c6b432e
children
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d10b6c6b432e add xml lib, we will need to use it eventually
Paper <mrpapersonic@gmail.com>
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1 #include "pugixml.hpp"
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2
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3 #include <string.h>
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4 #include <iostream>
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5
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6 int main()
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7 {
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8 pugi::xml_document doc;
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9 if (!doc.load_string("<node id='123'>text</node><!-- comment -->", pugi::parse_default | pugi::parse_comments)) return -1;
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10
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11 // tag::node[]
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12 pugi::xml_node node = doc.child("node");
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13
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14 // change node name
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15 std::cout << node.set_name("notnode");
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16 std::cout << ", new node name: " << node.name() << std::endl;
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17
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18 // change comment text
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19 std::cout << doc.last_child().set_value("useless comment");
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20 std::cout << ", new comment text: " << doc.last_child().value() << std::endl;
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21
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22 // we can't change value of the element or name of the comment
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23 std::cout << node.set_value("1") << ", " << doc.last_child().set_name("2") << std::endl;
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24 // end::node[]
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25
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26 // tag::attr[]
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27 pugi::xml_attribute attr = node.attribute("id");
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28
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29 // change attribute name/value
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30 std::cout << attr.set_name("key") << ", " << attr.set_value("345");
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31 std::cout << ", new attribute: " << attr.name() << "=" << attr.value() << std::endl;
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32
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33 // we can use numbers or booleans
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34 attr.set_value(1.234);
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35 std::cout << "new attribute value: " << attr.value() << std::endl;
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36
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37 // we can also use assignment operators for more concise code
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38 attr = true;
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39 std::cout << "final attribute value: " << attr.value() << std::endl;
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40 // end::attr[]
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41 }
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42
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43 // vim:et