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annotate dep/pugixml/docs/samples/xpath_query.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
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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 <iostream>
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4 #include <string>
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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_file("xgconsole.xml")) return -1;
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10
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11 // tag::code[]
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12 // Select nodes via compiled query
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13 pugi::xpath_query query_remote_tools("/Profile/Tools/Tool[@AllowRemote='true']");
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14
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15 pugi::xpath_node_set tools = query_remote_tools.evaluate_node_set(doc);
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16 std::cout << "Remote tool: ";
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17 tools[2].node().print(std::cout);
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18
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19 // Evaluate numbers via compiled query
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20 pugi::xpath_query query_timeouts("sum(//Tool/@Timeout)");
d10b6c6b432e add xml lib, we will need to use it eventually
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21 std::cout << query_timeouts.evaluate_number(doc) << std::endl;
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22
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23 // Evaluate strings via compiled query for different context nodes
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24 pugi::xpath_query query_name_valid("string-length(substring-before(@Filename, '_')) > 0 and @OutputFileMasks");
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25 pugi::xpath_query query_name("concat(substring-before(@Filename, '_'), ' produces ', @OutputFileMasks)");
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26
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27 for (pugi::xml_node tool = doc.first_element_by_path("Profile/Tools/Tool"); tool; tool = tool.next_sibling())
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28 {
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29 std::string s = query_name.evaluate_string(tool);
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30
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31 if (query_name_valid.evaluate_boolean(tool)) std::cout << s << std::endl;
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32 }
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33 // end::code[]
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34 }
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35
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36 // vim:et