Mercurial > minori
annotate src/core/strings.cc @ 175:9b10175be389
dep/json: update to v3.11.3
anime/db: save anime list to database, very much untested and likely won't work as intended
| author | Paper <mrpapersonic@gmail.com> |
|---|---|
| date | Thu, 30 Nov 2023 13:52:26 -0500 |
| parents | 275da698697d |
| children | 9613d72b097e |
| rev | line source |
|---|---|
| 9 | 1 /** |
| 2 * strings.cpp: Useful functions for manipulating strings | |
| 3 **/ | |
| 4 #include "core/strings.h" | |
| 64 | 5 #include <QByteArray> |
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6 #include <QDebug> |
| 64 | 7 #include <QString> |
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8 #include <QLocale> |
| 15 | 9 #include <algorithm> |
| 10 #include <cctype> | |
| 62 | 11 #include <codecvt> |
| 9 | 12 #include <locale> |
| 13 #include <string> | |
| 14 #include <vector> | |
| 102 | 15 #include <unordered_map> |
| 9 | 16 |
| 17 namespace Strings { | |
| 18 | |
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19 /* ew */ |
| 9 | 20 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) { |
| 21 if (vector.size() < 1) | |
| 22 return "-"; | |
| 23 std::string out = ""; | |
| 24 for (unsigned long long i = 0; i < vector.size(); i++) { | |
| 25 out.append(vector.at(i)); | |
| 26 if (i < vector.size() - 1) | |
| 27 out.append(delimiter); | |
| 28 } | |
| 29 return out; | |
| 30 } | |
| 31 | |
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32 std::vector<std::string> Split(const std::string &text, const std::string& delimiter) { |
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33 std::vector<std::string> tokens; |
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34 |
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35 std::size_t start = 0, end = 0; |
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36 while ((end = text.find(delimiter, start)) != std::string::npos) { |
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37 tokens.push_back(text.substr(start, end - start)); |
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38 start = end + delimiter.length(); |
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39 } |
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40 tokens.push_back(text.substr(start)); |
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41 |
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42 return tokens; |
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43 } |
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44 |
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45 /* This function is really only used for cleaning up the synopsis of |
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46 horrible HTML debris from AniList :) */ |
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47 std::string ReplaceAll(std::string string, const std::string& find, const std::string& replace) { |
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48 size_t pos = 0; |
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49 while ((pos = string.find(find, pos)) != std::string::npos) { |
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50 string.replace(pos, find.length(), replace); |
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51 pos += replace.length(); |
| 9 | 52 } |
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53 return string; |
| 9 | 54 } |
| 55 | |
| 56 std::string SanitizeLineEndings(const std::string& string) { | |
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57 /* LOL */ |
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58 return |
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59 ReplaceAll( |
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60 ReplaceAll( |
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61 ReplaceAll( |
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62 ReplaceAll( |
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63 ReplaceAll(string, "\r\n", "\n"), |
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64 "</p>", "\n"), |
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65 "<br>", "\n"), |
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66 "<br />", "\n"), |
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67 "\n\n\n", "\n\n"); |
| 9 | 68 } |
| 69 | |
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70 /* removes dumb HTML tags because anilist is aids and |
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71 gives us HTML for synopses :/ */ |
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72 std::string RemoveHtmlTags(std::string string) { |
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73 while (string.find("<") != std::string::npos) { |
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74 auto startpos = string.find("<"); |
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75 auto endpos = string.find(">") + 1; |
| 9 | 76 |
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77 if (endpos != std::string::npos) |
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78 string.erase(startpos, endpos - startpos); |
| 9 | 79 } |
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80 return string; |
| 9 | 81 } |
| 82 | |
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83 /* e.g. "<" for "<" */ |
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84 std::string ParseHtmlEntities(std::string string) { |
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85 const std::unordered_map<std::string, std::string> map = { |
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86 /* The only one of these I can understand using are the first |
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87 three. why do the rest of these exist? */ |
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88 {"<", "<"}, |
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89 {"&rt;", ">"}, |
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90 {" ", "\xA0"}, |
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91 {"&", "&"}, |
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92 {""", "\""}, |
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93 {"'", "'"}, |
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94 {"¢", "¢"}, |
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95 {"£", "£"}, |
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96 {"€", "€"}, |
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97 {"¥", "¥"}, |
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98 {"©", "©"}, |
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99 {"®", "®"}, |
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100 {"’", "’"} // Haibane Renmei, AniList |
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101 }; |
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102 |
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103 for (const auto& item : map) |
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104 string = ReplaceAll(string, item.first, item.second); |
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105 return string; |
| 9 | 106 } |
| 107 | |
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108 /* removes stupid HTML stuff */ |
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109 std::string TextifySynopsis(const std::string& string) { |
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110 return ParseHtmlEntities(RemoveHtmlTags(SanitizeLineEndings(string))); |
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111 } |
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112 |
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113 /* let Qt handle the heavy lifting of locale shit |
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114 I don't want to deal with */ |
| 15 | 115 std::string ToUpper(const std::string& string) { |
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116 /* todo: this "locale" will have to be moved to session.h |
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117 it also defaults to en-US, which sucks very much for |
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118 anyone who doesn't speak american english... */ |
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119 QLocale locale; |
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120 return ToUtf8String(locale.toUpper(ToQString(string))); |
| 15 | 121 } |
| 122 | |
| 123 std::string ToLower(const std::string& string) { | |
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124 QLocale locale; |
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125 return ToUtf8String(locale.toLower(ToQString(string))); |
| 15 | 126 } |
| 127 | |
| 62 | 128 std::wstring ToWstring(const std::string& string) { |
| 129 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter; | |
| 130 return converter.from_bytes(string); | |
| 131 } | |
| 132 | |
| 64 | 133 std::wstring ToWstring(const QString& string) { |
| 134 std::wstring arr(string.size(), L'\0'); | |
| 135 string.toWCharArray(&arr.front()); | |
| 136 return arr; | |
| 137 } | |
| 138 | |
| 62 | 139 std::string ToUtf8String(const std::wstring& wstring) { |
| 140 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter; | |
| 141 return converter.to_bytes(wstring); | |
| 142 } | |
| 143 | |
| 64 | 144 std::string ToUtf8String(const QString& string) { |
| 145 QByteArray ba = string.toUtf8(); | |
| 77 | 146 return std::string(ba.constData(), ba.size()); |
| 147 } | |
| 148 | |
| 149 std::string ToUtf8String(const QByteArray& ba) { | |
| 150 return std::string(ba.constData(), ba.size()); | |
| 64 | 151 } |
| 152 | |
| 153 QString ToQString(const std::string& string) { | |
| 154 return QString::fromUtf8(string.c_str(), string.length()); | |
| 155 } | |
| 156 | |
| 157 QString ToQString(const std::wstring& wstring) { | |
| 158 return QString::fromWCharArray(wstring.c_str(), wstring.length()); | |
| 159 } | |
| 160 | |
| 120 | 161 /* not really an "int"... but who cares? */ |
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162 int ToInt(const std::string& str, int def) { |
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163 int tmp = 0; |
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164 try { |
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165 tmp = std::stoi(str); |
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166 } catch (std::invalid_argument const& ex) { |
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167 qDebug() << "Failed to parse int from std::string: no number found in " << ToQString(str) << " defaulting to " << def; |
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168 tmp = def; |
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169 } |
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170 return tmp; |
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171 } |
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172 |
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173 bool ToBool(const std::string& s, const bool def) { |
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174 if (s.length() < 4) |
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175 return def; |
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176 std::string l = Strings::ToLower(s); |
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177 if (Strings::BeginningMatchesSubstring(l, "true")) |
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178 return true; |
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179 else if (Strings::BeginningMatchesSubstring(l, "false")) |
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180 return false; |
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181 return def; |
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182 } |
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183 |
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184 std::string ToUtf8String(const bool b) { |
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185 return b ? "true" : "false"; |
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186 } |
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187 |
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188 uint64_t HumanReadableSizeToBytes(const std::string& str) { |
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189 const std::unordered_map<std::string, uint64_t> bytes_map = { |
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118
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190 {"KB", 1ull << 10}, |
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191 {"MB", 1ull << 20}, |
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192 {"GB", 1ull << 30}, |
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193 {"TB", 1ull << 40}, |
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194 {"PB", 1ull << 50} /* surely we won't need more than this */ |
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195 }; |
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196 |
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197 for (const auto& suffix : bytes_map) { |
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198 if (str.find(suffix.first) != std::string::npos) { |
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199 try { |
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200 uint64_t size = std::stod(str) * suffix.second; |
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201 return size; |
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202 } catch (std::invalid_argument const& ex) { |
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203 continue; |
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204 } |
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205 } |
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206 } |
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207 |
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208 return ToInt(str, 0); |
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209 } |
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210 |
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211 std::string RemoveLeadingChars(std::string s, const char c) { |
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212 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1)); |
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213 return s; |
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214 } |
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215 |
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216 std::string RemoveTrailingChars(std::string s, const char c) { |
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217 s.erase(s.find_last_not_of(c) + 1, std::string::npos); |
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218 return s; |
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219 } |
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220 |
| 102 | 221 bool BeginningMatchesSubstring(const std::string& str, const std::string& sub) { |
| 222 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++) | |
| 223 if (str[i] != sub[i]) | |
| 224 return false; | |
| 225 return true; | |
| 226 } | |
| 227 | |
| 9 | 228 } // namespace Strings |