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annotate dep/pugixml/docs/samples/xpath_error.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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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 int main()
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6 {
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7 pugi::xml_document doc;
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8 if (!doc.load_file("xgconsole.xml")) return -1;
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9
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10 // tag::code[]
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11 // Exception is thrown for incorrect query syntax
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12 try
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13 {
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14 doc.select_nodes("//nodes[#true()]");
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15 }
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16 catch (const pugi::xpath_exception& e)
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17 {
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18 std::cout << "Select failed: " << e.what() << std::endl;
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19 }
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20
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21 // Exception is thrown for incorrect query semantics
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22 try
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23 {
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24 doc.select_nodes("(123)/next");
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25 }
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26 catch (const pugi::xpath_exception& e)
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27 {
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28 std::cout << "Select failed: " << e.what() << std::endl;
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29 }
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30
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31 // Exception is thrown for query with incorrect return type
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32 try
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33 {
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34 doc.select_nodes("123");
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35 }
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36 catch (const pugi::xpath_exception& e)
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37 {
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38 std::cout << "Select failed: " << e.what() << std::endl;
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39 }
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40 // end::code[]
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41 }
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42
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43 // vim:et