Mercurial > minori
annotate src/core/strings.cc @ 413:192da585a0a8 default tip
*: fix formatting
the clang-format file was broken andjust using LLVM defaults.
now it's fixed and is more in line with what I actually prefer my
code to look like -- esp. with regards to tabulators
| author | Paper <paper@tflc.us> |
|---|---|
| date | Sat, 25 Jul 2026 14:54:32 -0400 |
| parents | 02a670a8e1c4 |
| 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 = { |
| 413 | 77 {"2", "II" }, |
| 369 | 78 {"3", "III" }, |
| 79 {"4", "IV" }, | |
| 80 {"5", "V" }, | |
| 81 {"6", "VI" }, | |
| 82 {"7", "VII" }, | |
| 413 | 83 {"8", "VIII"}, |
| 369 | 84 {"9", "IX" }, |
| 413 | 85 {"11", "XI" }, |
| 369 | 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>( |
| 413 | 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 = |
| 413 | 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 | |
| 411 | 144 #ifdef __GNUC__ |
| 145 # pragma GCC diagnostic push | |
| 146 # pragma GCC diagnostic ignored "-Wdeprecated-declarations" | |
| 147 #endif | |
| 369 | 148 std::wstring ToWstring(const std::string &string) |
| 149 { | |
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150 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
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151 |
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152 std::wstring wstr; |
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153 try { |
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154 wstr = converter.from_bytes(string); |
| 369 | 155 } catch (std::range_error const &ex) { |
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156 /* XXX how? */ |
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157 std::cerr << "Failed to convert UTF-8 to wide string!" << std::endl; |
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158 } |
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159 return wstr; |
| 62 | 160 } |
| 161 | |
| 369 | 162 std::string ToUtf8String(const std::wstring &wstring) |
| 163 { | |
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164 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
| 62 | 165 return converter.to_bytes(wstring); |
| 166 } | |
| 167 | |
| 369 | 168 std::string ToUtf8String(const std::u32string &u32string) |
| 169 { | |
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170 static std::wstring_convert<std::codecvt_utf8_utf16<char32_t>, char32_t> converter; |
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171 return converter.to_bytes(u32string); |
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172 } |
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173 |
| 369 | 174 std::u32string ToUcs4String(const std::string &string) |
| 175 { | |
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176 static std::wstring_convert<std::codecvt_utf8_utf16<char32_t>, char32_t> converter; |
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177 return converter.from_bytes(string); |
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178 } |
| 411 | 179 #ifdef __GNUC__ |
| 180 # pragma GCC diagnostic pop | |
| 181 #endif | |
| 182 | |
| 183 std::wstring ToWstring(const QString &string) | |
| 184 { | |
| 185 std::wstring arr(string.size(), L'\0'); | |
| 186 string.toWCharArray(&arr.front()); | |
| 187 return arr; | |
| 188 } | |
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189 |
| 369 | 190 std::string ToUtf8String(const QString &string) |
| 191 { | |
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192 const QByteArray ba = string.toUtf8(); |
| 77 | 193 return std::string(ba.constData(), ba.size()); |
| 194 } | |
| 195 | |
| 369 | 196 std::string ToUtf8String(const QByteArray &ba) |
| 197 { | |
| 77 | 198 return std::string(ba.constData(), ba.size()); |
| 64 | 199 } |
| 200 | |
| 369 | 201 QString ToQString(const std::string &string) |
| 202 { | |
| 64 | 203 return QString::fromUtf8(string.c_str(), string.length()); |
| 204 } | |
| 205 | |
| 369 | 206 QString ToQString(const std::wstring &wstring) |
| 207 { | |
| 64 | 208 return QString::fromWCharArray(wstring.c_str(), wstring.length()); |
| 209 } | |
| 210 | |
| 369 | 211 std::string ToUtf8String(const bool b) |
| 212 { | |
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213 return b ? "true" : "false"; // lol |
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214 } |
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215 |
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216 #if defined(__APPLE__) && defined(__MACH__) |
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217 CFStringRef ToCFString(const std::string &string) |
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218 { |
| 413 | 219 return CFStringCreateWithBytes(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(string.data()), string.size(), |
| 220 kCFStringEncodingUTF8, false); | |
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221 } |
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222 std::string ToUtf8String(CFStringRef str) |
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223 { |
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224 if (const char *ptr = CFStringGetCStringPtr(str, kCFStringEncodingUTF8)) |
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225 return std::string(ptr); // easy! |
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226 |
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227 // ... |
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228 const CFIndex len = CFStringGetLength(str); |
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229 std::string buf(CFStringGetMaximumSizeForEncoding(len, kCFStringEncodingUTF8), 0); |
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230 CFRange range; |
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231 range.length = len; |
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232 range.location = 0; |
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233 CFIndex used; |
| 413 | 234 CFStringGetBytes( |
| 235 str, range, kCFStringEncodingUTF8, 0, false, reinterpret_cast<UInt8 *>(buf.data()), buf.size(), &used); | |
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236 buf.resize(used); |
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237 return buf; |
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238 } |
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239 #endif |
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240 |
| 369 | 241 bool ToBool(const std::string &str, bool def) |
| 242 { | |
| 411 | 243 std::string l = Strings::ToLower(str); |
| 244 | |
| 245 return (l == "true") ? true : (l == "false") ? false : def; | |
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246 } |
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247 |
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248 template<typename T> |
| 369 | 249 constexpr T ipow(T num, unsigned int pow) |
| 250 { | |
| 251 return (pow >= sizeof(unsigned int) * 8) ? 0 : pow == 0 ? 1 : num * ipow(num, pow - 1); | |
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252 } |
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253 |
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254 /* util funcs */ |
| 369 | 255 uint64_t HumanReadableSizeToBytes(const std::string &str) |
| 256 { | |
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257 static const std::unordered_map<std::string, uint64_t> bytes_map = { |
| 413 | 258 {"KB", 1e3 }, |
| 369 | 259 {"MB", 1e6 }, |
| 260 {"GB", 1e9 }, | |
| 261 {"TB", 1e12 }, | |
| 413 | 262 {"PB", 1e15 }, |
| 369 | 263 {"KiB", 1ull << 10}, |
| 264 {"MiB", 1ull << 20}, | |
| 413 | 265 {"GiB", 1ull << 30}, |
| 266 {"TiB", 1ull << 40}, | |
| 369 | 267 {"PiB", 1ull << 50} /* surely we won't need more than this */ |
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268 }; |
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269 |
| 369 | 270 for (const auto &suffix : bytes_map) { |
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271 if (str.find(suffix.first) != std::string::npos) { |
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272 try { |
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273 uint64_t size = std::stod(str) * suffix.second; |
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274 return size; |
| 369 | 275 } catch (std::invalid_argument const &ex) { |
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276 continue; |
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277 } |
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278 } |
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279 } |
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280 |
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281 return ToInt(str, 0); |
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282 } |
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283 |
| 369 | 284 std::string BytesToHumanReadableSize(uint64_t bytes, int precision) |
| 285 { | |
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286 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0) |
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287 /* QLocale in Qt >= 5.10.0 has a function for this */ |
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274
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288 return Strings::ToUtf8String(session.config.locale.GetLocale().formattedDataSize(bytes, precision)); |
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289 #else |
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290 static const std::unordered_map<uint64_t, std::string> map = { |
| 413 | 291 {1ull << 10, "KiB"}, |
| 369 | 292 {1ull << 20, "MiB"}, |
| 293 {1ull << 30, "GiB"}, | |
| 294 {1ull << 40, "TiB"}, | |
| 295 {1ull << 50, "PiB"} | |
| 296 }; | |
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297 |
| 369 | 298 for (const auto &suffix : map) { |
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299 if (bytes / suffix.first < 1) |
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300 continue; |
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301 |
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302 std::stringstream ss; |
| 369 | 303 ss << std::setprecision(precision) << (static_cast<double>(bytes) / suffix.first) << " " << suffix.second; |
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304 return ss.str(); |
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305 } |
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306 |
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307 /* better luck next time */ |
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308 return "0 bytes"; |
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309 #endif |
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310 } |
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311 |
| 369 | 312 void RemoveLeadingChars(std::string &s, const char c) |
| 313 { | |
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314 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1)); |
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315 } |
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316 |
| 369 | 317 void RemoveTrailingChars(std::string &s, const char c) |
| 318 { | |
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319 s.erase(s.find_last_not_of(c) + 1, std::string::npos); |
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320 } |
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321 |
| 369 | 322 bool BeginningMatchesSubstring(const std::string &str, const std::string &sub) |
| 323 { | |
| 102 | 324 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++) |
| 325 if (str[i] != sub[i]) | |
| 326 return false; | |
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327 |
| 102 | 328 return true; |
| 329 } | |
| 330 | |
| 369 | 331 std::string Translate(const char *str) |
| 332 { | |
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333 return Strings::ToUtf8String(QCoreApplication::tr(str)); |
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334 } |
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335 |
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336 /* Moved here from glib code because xsettings parser needs it */ |
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337 bool IsGTKThemeDark(const std::string_view str) |
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338 { |
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339 /* if that doesn't exist, use the GTK theme and check for some known |
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340 * suffixes. if one is found, return |
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341 * |
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342 * XXX probably better to use case folding here */ |
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343 static constexpr std::array<std::string_view, 3> suffixes = { |
| 413 | 344 "-dark", /* Adwaita-dark */ |
| 345 "-Dark", /* Arc-Dark */ | |
| 346 "-Darker", /* Arc-Darker */ | |
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347 }; |
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348 |
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349 for (const auto &suffix : suffixes) { |
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350 if (str.size() < suffix.size()) |
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351 continue; |
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352 |
| 413 | 353 if (std::equal( |
| 354 str.data() + str.size() - suffix.length(), str.data() + str.size(), suffix.begin(), suffix.end())) | |
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355 return true; |
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356 } |
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357 |
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358 return false; |
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359 } |
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360 |
| 9 | 361 } // namespace Strings |