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annotate dep/pugixml/docs/samples/load_error_handling.cpp @ 261:3ec7804abf17

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include: make header guards more sane The C++ standard[1] says: Each identifier that contains a double underscore __ or begins with an underscore followed by an uppercase letter is reserved to the implementation for any use. [1]: https://timsong-cpp.github.io/cppwp/n4659/lex.name#3.1
author Paper <paper@paper.us.eu.org>
date Wed, 03 Apr 2024 20:04:28 -0400
parents d10b6c6b432e
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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 void check_xml(const char* source)
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6 {
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7 // tag::code[]
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8 pugi::xml_document doc;
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9 pugi::xml_parse_result result = doc.load_string(source);
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10
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11 if (result)
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12 {
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13 std::cout << "XML [" << source << "] parsed without errors, attr value: [" << doc.child("node").attribute("attr").value() << "]\n\n";
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14 }
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15 else
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16 {
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17 std::cout << "XML [" << source << "] parsed with errors, attr value: [" << doc.child("node").attribute("attr").value() << "]\n";
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18 std::cout << "Error description: " << result.description() << "\n";
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19 std::cout << "Error offset: " << result.offset << " (error at [..." << (source + result.offset) << "]\n\n";
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20 }
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21 // end::code[]
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22 }
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23
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24 int main()
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25 {
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26 check_xml("<node attr='value'><child>text</child></node>");
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27 check_xml("<node attr='value'><child>text</chil></node>");
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28 check_xml("<node attr='value'><child>text</child>");
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29 check_xml("<node attr='value\"><child>text</child></node>");
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30 check_xml("<node attr='value'><#tag /></node>");
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31 }
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32
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33 // vim:et