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annotate dep/pugixml/docs/samples/include.cpp @ 118:39521c47c7a3

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*: another huge megacommit, SORRY The torrents page works a lot better now Added the edit option to the anime list right click menu Vectorized currently playing files Available player and extensions are now loaded at runtime from files in (dotpath)/players.json and (dotpath)/extensions.json These paths are not permanent and will likely be moved to (dotpath)/recognition ... ... ...
author Paper <mrpapersonic@gmail.com>
date Tue, 07 Nov 2023 23:40:54 -0500
parents d10b6c6b432e
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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