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annotate dep/pugixml/docs/samples/include.cpp @ 327:b5d6c27c308f

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anime: refactor Anime::SeriesSeason to Season class ToLocalString has also been altered to take in both season and year because lots of locales actually treat formatting seasons differently! most notably is Russian which adds a suffix at the end to notate seasons(??)
author Paper <paper@paper.us.eu.org>
date Thu, 13 Jun 2024 01:49:18 -0400
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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 // tag::code[]
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7 bool load_preprocess(pugi::xml_document& doc, const char* path);
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8
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9 bool preprocess(pugi::xml_node node)
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10 {
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11 for (pugi::xml_node child = node.first_child(); child; )
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12 {
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13 if (child.type() == pugi::node_pi && strcmp(child.name(), "include") == 0)
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14 {
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15 pugi::xml_node include = child;
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16
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17 // load new preprocessed document (note: ideally this should handle relative paths)
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18 const char* path = include.value();
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19
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20 pugi::xml_document doc;
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21 if (!load_preprocess(doc, path)) return false;
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22
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23 // insert the comment marker above include directive
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24 node.insert_child_before(pugi::node_comment, include).set_value(path);
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25
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26 // copy the document above the include directive (this retains the original order!)
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27 for (pugi::xml_node ic = doc.first_child(); ic; ic = ic.next_sibling())
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28 {
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29 node.insert_copy_before(ic, include);
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30 }
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31
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32 // remove the include node and move to the next child
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33 child = child.next_sibling();
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34
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35 node.remove_child(include);
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36 }
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37 else
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38 {
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39 if (!preprocess(child)) return false;
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40
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41 child = child.next_sibling();
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42 }
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43 }
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44
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45 return true;
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46 }
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47
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48 bool load_preprocess(pugi::xml_document& doc, const char* path)
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49 {
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50 pugi::xml_parse_result result = doc.load_file(path, pugi::parse_default | pugi::parse_pi); // for <?include?>
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51
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52 return result ? preprocess(doc) : false;
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53 }
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54 // end::code[]
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55
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56 int main()
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57 {
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58 pugi::xml_document doc;
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59 if (!load_preprocess(doc, "character.xml")) return -1;
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60
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61 doc.print(std::cout);
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62 }
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63
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64 // vim:et