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9
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1 /**
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2 * strings.cpp: Useful functions for manipulating strings
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3 **/
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4 #include "core/strings.h"
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15
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5 #include <algorithm>
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6 #include <cctype>
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9
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7 #include <locale>
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8 #include <string>
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9 #include <vector>
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10
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11 namespace Strings {
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12
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13 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) {
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14 if (vector.size() < 1)
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15 return "-";
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16 std::string out = "";
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17 for (unsigned long long i = 0; i < vector.size(); i++) {
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18 out.append(vector.at(i));
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19 if (i < vector.size() - 1)
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20 out.append(delimiter);
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21 }
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22 return out;
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23 }
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24
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25 std::string ReplaceAll(const std::string& string, const std::string& find, const std::string& replace) {
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26 std::string result;
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27 size_t pos, find_len = find.size(), from = 0;
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28 while ((pos = string.find(find, from)) != std::string::npos) {
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29 result.append(string, from, pos - from);
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30 result.append(replace);
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31 from = pos + find_len;
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32 }
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33 result.append(string, from, std::string::npos);
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34 return result;
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35 }
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36
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37 /* this function probably fucks your RAM but whatevs */
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38 std::string SanitizeLineEndings(const std::string& string) {
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39 std::string result(string);
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40 result = ReplaceAll(result, "\r\n", "\n");
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41 result = ReplaceAll(result, "<br>", "\n");
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42 result = ReplaceAll(result, "\n\n\n", "\n\n");
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43 return result;
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44 }
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45
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46 std::string RemoveHtmlTags(const std::string& string) {
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47 std::string html(string);
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48 while (html.find("<") != std::string::npos) {
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49 auto startpos = html.find("<");
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50 auto endpos = html.find(">") + 1;
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51
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52 if (endpos != std::string::npos) {
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53 html.erase(startpos, endpos - startpos);
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54 }
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55 }
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56 return html;
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57 }
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58
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59 std::string TextifySynopsis(const std::string& string) {
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60 return RemoveHtmlTags(SanitizeLineEndings(string));
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61 }
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62
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15
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63 /* these functions suck for i18n!...
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64 but we only use them with JSON
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65 stuff anyway */
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66 std::string ToUpper(const std::string& string) {
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67 std::string result(string);
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68 std::transform(result.begin(), result.end(), result.begin(), [](unsigned char c) { return std::toupper(c); });
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69 return result;
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70 }
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71
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72 std::string ToLower(const std::string& string) {
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73 std::string result(string);
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74 std::transform(result.begin(), result.end(), result.begin(), [](unsigned char c) { return std::tolower(c); });
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75 return result;
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76 }
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77
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9
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78 } // namespace Strings
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