Mercurial > minori
annotate src/core/strings.cc @ 369:47c9f8502269
*: clang-format all the things
I've edited the formatting a bit. Now pointer asterisks (and reference
ampersands) are on the variable instead of the type, as well as having
newlines for function braces (but nothing else)
| author | Paper <paper@tflc.us> |
|---|---|
| date | Fri, 25 Jul 2025 10:16:02 -0400 |
| parents | f81bed4e04ac |
| children |
| rev | line source |
|---|---|
| 9 | 1 /** |
| 2 * strings.cpp: Useful functions for manipulating strings | |
| 3 **/ | |
| 4 #include "core/strings.h" | |
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5 #include "core/session.h" // locale |
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6 |
| 64 | 7 #include <QByteArray> |
| 369 | 8 #include <QCoreApplication> |
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9 #include <QDebug> |
| 258 | 10 #include <QLocale> |
| 64 | 11 #include <QString> |
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12 #include <QTextDocument> |
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13 |
| 15 | 14 #include <algorithm> |
| 15 #include <cctype> | |
| 62 | 16 #include <codecvt> |
| 369 | 17 #include <iomanip> |
| 258 | 18 #include <iostream> |
| 9 | 19 #include <locale> |
| 20 #include <string> | |
| 258 | 21 #include <unordered_map> |
| 9 | 22 #include <vector> |
| 23 | |
| 264 | 24 #include "utf8proc.h" |
| 25 | |
| 9 | 26 namespace Strings { |
| 27 | |
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28 /* ew */ |
| 369 | 29 std::string Implode(const std::vector<std::string> &vector, const std::string &delimiter) |
| 30 { | |
| 9 | 31 if (vector.size() < 1) |
| 250 | 32 return ""; |
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33 |
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34 std::string out; |
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35 |
| 9 | 36 for (unsigned long long i = 0; i < vector.size(); i++) { |
| 37 out.append(vector.at(i)); | |
| 38 if (i < vector.size() - 1) | |
| 39 out.append(delimiter); | |
| 40 } | |
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41 |
| 9 | 42 return out; |
| 43 } | |
| 44 | |
| 369 | 45 std::vector<std::string> Split(const std::string &text, const std::string &delimiter) |
| 46 { | |
| 250 | 47 if (text.length() < 1) |
| 48 return {}; | |
| 49 | |
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50 std::vector<std::string> tokens; |
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51 |
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52 std::size_t start = 0, end = 0; |
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53 while ((end = text.find(delimiter, start)) != std::string::npos) { |
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54 tokens.push_back(text.substr(start, end - start)); |
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55 start = end + delimiter.length(); |
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56 } |
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57 tokens.push_back(text.substr(start)); |
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58 |
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59 return tokens; |
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60 } |
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61 |
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62 /* This function is really only used for cleaning up the synopsis of |
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63 * horrible HTML debris from AniList :) |
| 258 | 64 */ |
| 369 | 65 void ReplaceAll(std::string &string, std::string_view find, std::string_view replace) |
| 66 { | |
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67 size_t pos = 0; |
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68 while ((pos = string.find(find, pos)) != std::string::npos) { |
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69 string.replace(pos, find.length(), replace); |
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70 pos += replace.length(); |
| 9 | 71 } |
| 72 } | |
| 73 | |
| 369 | 74 void ConvertRomanNumerals(std::string &string) |
| 75 { | |
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76 static const std::vector<std::pair<std::string_view, std::string_view>> vec = { |
| 369 | 77 {"2", "II" }, |
| 78 {"3", "III" }, | |
| 79 {"4", "IV" }, | |
| 80 {"5", "V" }, | |
| 81 {"6", "VI" }, | |
| 82 {"7", "VII" }, | |
| 83 {"8", "VIII"}, | |
| 84 {"9", "IX" }, | |
| 85 {"11", "XI" }, | |
| 86 {"12", "XII" }, | |
| 87 {"13", "XIII"} | |
| 88 }; | |
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89 |
| 369 | 90 for (const auto &item : vec) |
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91 ReplaceAll(string, item.second, item.first); |
| 9 | 92 } |
| 93 | |
| 264 | 94 /* this also performs case folding, so our string is lowercase after this */ |
| 369 | 95 void NormalizeUnicode(std::string &string) |
| 96 { | |
| 264 | 97 static constexpr utf8proc_option_t options = static_cast<utf8proc_option_t>( |
| 369 | 98 UTF8PROC_COMPAT | UTF8PROC_COMPOSE | UTF8PROC_STABLE | UTF8PROC_IGNORE | UTF8PROC_STRIPCC | UTF8PROC_STRIPMARK | |
| 99 UTF8PROC_LUMP | UTF8PROC_CASEFOLD | UTF8PROC_NLF2LS); | |
| 264 | 100 |
| 101 /* ack */ | |
| 369 | 102 utf8proc_uint8_t *buf = nullptr; |
| 264 | 103 |
| 369 | 104 const utf8proc_ssize_t size = |
| 105 utf8proc_map(reinterpret_cast<const utf8proc_uint8_t *>(string.data()), string.size(), &buf, options); | |
| 264 | 106 |
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107 if (buf) { |
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108 if (size) |
| 369 | 109 string.assign(reinterpret_cast<const char *>(buf), size); |
| 264 | 110 |
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111 std::free(buf); |
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112 } |
| 264 | 113 } |
| 114 | |
| 369 | 115 void NormalizeAnimeTitle(std::string &string) |
| 116 { | |
| 264 | 117 ConvertRomanNumerals(string); |
| 118 NormalizeUnicode(string); | |
| 119 RemoveLeadingChars(string, ' '); | |
| 120 RemoveTrailingChars(string, ' '); | |
| 121 } | |
| 122 | |
| 369 | 123 void TextifySynopsis(std::string &string) |
| 124 { | |
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125 /* Just let Qt deal with it. */ |
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126 QTextDocument text; |
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127 text.setHtml(Strings::ToQString(string)); |
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128 string = Strings::ToUtf8String(text.toPlainText()); |
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129 } |
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130 |
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131 /* let Qt handle the heavy lifting of locale shit |
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132 * I don't want to deal with |
| 258 | 133 */ |
| 369 | 134 std::string ToUpper(const std::string &string) |
| 135 { | |
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136 return ToUtf8String(session.config.locale.GetLocale().toUpper(ToQString(string))); |
| 15 | 137 } |
| 138 | |
| 369 | 139 std::string ToLower(const std::string &string) |
| 140 { | |
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141 return ToUtf8String(session.config.locale.GetLocale().toLower(ToQString(string))); |
| 15 | 142 } |
| 143 | |
| 369 | 144 std::wstring ToWstring(const std::string &string) |
| 145 { | |
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146 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
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147 |
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148 std::wstring wstr; |
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149 try { |
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150 wstr = converter.from_bytes(string); |
| 369 | 151 } catch (std::range_error const &ex) { |
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152 /* XXX how? */ |
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153 std::cerr << "Failed to convert UTF-8 to wide string!" << std::endl; |
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154 } |
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155 return wstr; |
| 62 | 156 } |
| 157 | |
| 369 | 158 std::wstring ToWstring(const QString &string) |
| 159 { | |
| 64 | 160 std::wstring arr(string.size(), L'\0'); |
| 161 string.toWCharArray(&arr.front()); | |
| 162 return arr; | |
| 163 } | |
| 164 | |
| 369 | 165 std::string ToUtf8String(const std::wstring &wstring) |
| 166 { | |
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167 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
| 62 | 168 return converter.to_bytes(wstring); |
| 169 } | |
| 170 | |
| 369 | 171 std::string ToUtf8String(const std::u32string &u32string) |
| 172 { | |
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173 static std::wstring_convert<std::codecvt_utf8_utf16<char32_t>, char32_t> converter; |
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174 return converter.to_bytes(u32string); |
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175 } |
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176 |
| 369 | 177 std::u32string ToUcs4String(const std::string &string) |
| 178 { | |
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179 static std::wstring_convert<std::codecvt_utf8_utf16<char32_t>, char32_t> converter; |
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180 return converter.from_bytes(string); |
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181 } |
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182 |
| 369 | 183 std::string ToUtf8String(const QString &string) |
| 184 { | |
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185 const QByteArray ba = string.toUtf8(); |
| 77 | 186 return std::string(ba.constData(), ba.size()); |
| 187 } | |
| 188 | |
| 369 | 189 std::string ToUtf8String(const QByteArray &ba) |
| 190 { | |
| 77 | 191 return std::string(ba.constData(), ba.size()); |
| 64 | 192 } |
| 193 | |
| 369 | 194 QString ToQString(const std::string &string) |
| 195 { | |
| 64 | 196 return QString::fromUtf8(string.c_str(), string.length()); |
| 197 } | |
| 198 | |
| 369 | 199 QString ToQString(const std::wstring &wstring) |
| 200 { | |
| 64 | 201 return QString::fromWCharArray(wstring.c_str(), wstring.length()); |
| 202 } | |
| 203 | |
| 369 | 204 std::string ToUtf8String(const bool b) |
| 205 { | |
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206 return b ? "true" : "false"; // lol |
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207 } |
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208 |
| 369 | 209 bool ToBool(const std::string &str, bool def) |
| 210 { | |
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211 std::istringstream s(Strings::ToLower(str)); |
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212 s >> std::boolalpha >> def; |
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213 return def; |
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214 } |
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215 |
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216 template<typename T> |
| 369 | 217 constexpr T ipow(T num, unsigned int pow) |
| 218 { | |
| 219 return (pow >= sizeof(unsigned int) * 8) ? 0 : pow == 0 ? 1 : num * ipow(num, pow - 1); | |
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220 } |
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221 |
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222 /* util funcs */ |
| 369 | 223 uint64_t HumanReadableSizeToBytes(const std::string &str) |
| 224 { | |
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225 static const std::unordered_map<std::string, uint64_t> bytes_map = { |
| 369 | 226 {"KB", 1e3 }, |
| 227 {"MB", 1e6 }, | |
| 228 {"GB", 1e9 }, | |
| 229 {"TB", 1e12 }, | |
| 230 {"PB", 1e15 }, | |
| 231 {"KiB", 1ull << 10}, | |
| 232 {"MiB", 1ull << 20}, | |
| 233 {"GiB", 1ull << 30}, | |
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234 {"TiB", 1ull << 40}, |
| 369 | 235 {"PiB", 1ull << 50} /* surely we won't need more than this */ |
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236 }; |
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237 |
| 369 | 238 for (const auto &suffix : bytes_map) { |
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239 if (str.find(suffix.first) != std::string::npos) { |
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240 try { |
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241 uint64_t size = std::stod(str) * suffix.second; |
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242 return size; |
| 369 | 243 } catch (std::invalid_argument const &ex) { |
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244 continue; |
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245 } |
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246 } |
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247 } |
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248 |
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249 return ToInt(str, 0); |
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250 } |
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251 |
| 369 | 252 std::string BytesToHumanReadableSize(uint64_t bytes, int precision) |
| 253 { | |
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254 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0) |
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255 /* QLocale in Qt >= 5.10.0 has a function for this */ |
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256 return Strings::ToUtf8String(session.config.locale.GetLocale().formattedDataSize(bytes, precision)); |
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257 #else |
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258 static const std::unordered_map<uint64_t, std::string> map = { |
| 369 | 259 {1ull << 10, "KiB"}, |
| 260 {1ull << 20, "MiB"}, | |
| 261 {1ull << 30, "GiB"}, | |
| 262 {1ull << 40, "TiB"}, | |
| 263 {1ull << 50, "PiB"} | |
| 264 }; | |
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265 |
| 369 | 266 for (const auto &suffix : map) { |
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267 if (bytes / suffix.first < 1) |
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268 continue; |
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269 |
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270 std::stringstream ss; |
| 369 | 271 ss << std::setprecision(precision) << (static_cast<double>(bytes) / suffix.first) << " " << suffix.second; |
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272 return ss.str(); |
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273 } |
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274 |
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275 /* better luck next time */ |
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276 return "0 bytes"; |
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277 #endif |
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278 } |
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279 |
| 369 | 280 void RemoveLeadingChars(std::string &s, const char c) |
| 281 { | |
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282 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1)); |
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283 } |
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284 |
| 369 | 285 void RemoveTrailingChars(std::string &s, const char c) |
| 286 { | |
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287 s.erase(s.find_last_not_of(c) + 1, std::string::npos); |
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288 } |
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289 |
| 369 | 290 bool BeginningMatchesSubstring(const std::string &str, const std::string &sub) |
| 291 { | |
| 102 | 292 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++) |
| 293 if (str[i] != sub[i]) | |
| 294 return false; | |
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295 |
| 102 | 296 return true; |
| 297 } | |
| 298 | |
| 369 | 299 std::string Translate(const char *str) |
| 300 { | |
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301 return Strings::ToUtf8String(QCoreApplication::tr(str)); |
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302 } |
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303 |
| 9 | 304 } // namespace Strings |