Mercurial > minori
annotate src/core/strings.cc @ 366:886f66775f31
animone: add preliminary AT-SPI stuff
anime_list: finish the regular singular right click menu
author | Paper <paper@tflc.us> |
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date | Sun, 17 Nov 2024 19:56:01 -0500 |
parents | f81bed4e04ac |
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rev | line source |
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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> |
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8 #include <QDebug> |
258 | 9 #include <QLocale> |
64 | 10 #include <QString> |
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11 #include <QTextDocument> |
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12 #include <QCoreApplication> |
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13 |
15 | 14 #include <algorithm> |
15 #include <cctype> | |
62 | 16 #include <codecvt> |
258 | 17 #include <iostream> |
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18 #include <iomanip> |
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 */ |
9 | 29 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) { |
30 if (vector.size() < 1) | |
250 | 31 return ""; |
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32 |
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33 std::string out; |
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34 |
9 | 35 for (unsigned long long i = 0; i < vector.size(); i++) { |
36 out.append(vector.at(i)); | |
37 if (i < vector.size() - 1) | |
38 out.append(delimiter); | |
39 } | |
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40 |
9 | 41 return out; |
42 } | |
43 | |
258 | 44 std::vector<std::string> Split(const std::string& text, const std::string& delimiter) { |
250 | 45 if (text.length() < 1) |
46 return {}; | |
47 | |
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48 std::vector<std::string> tokens; |
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49 |
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50 std::size_t start = 0, end = 0; |
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51 while ((end = text.find(delimiter, start)) != std::string::npos) { |
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52 tokens.push_back(text.substr(start, end - start)); |
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53 start = end + delimiter.length(); |
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54 } |
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55 tokens.push_back(text.substr(start)); |
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56 |
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57 return tokens; |
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58 } |
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59 |
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60 /* This function is really only used for cleaning up the synopsis of |
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61 * horrible HTML debris from AniList :) |
258 | 62 */ |
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63 void ReplaceAll(std::string& string, std::string_view find, std::string_view replace) { |
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64 size_t pos = 0; |
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65 while ((pos = string.find(find, pos)) != std::string::npos) { |
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66 string.replace(pos, find.length(), replace); |
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67 pos += replace.length(); |
9 | 68 } |
69 } | |
70 | |
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71 void ConvertRomanNumerals(std::string& string) { |
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72 static const std::vector<std::pair<std::string_view, std::string_view>> vec = { |
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73 {"2", "II"}, {"3", "III"}, {"4", "IV"}, {"5", "V"}, {"6", "VI"}, |
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74 {"7", "VII"}, {"8", "VIII"}, {"9", "IX"}, {"11", "XI"}, {"12", "XII"}, |
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75 {"13", "XIII"} |
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76 }; |
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77 |
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78 for (const auto& item : vec) |
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79 ReplaceAll(string, item.second, item.first); |
9 | 80 } |
81 | |
264 | 82 /* this also performs case folding, so our string is lowercase after this */ |
83 void NormalizeUnicode(std::string& string) { | |
84 static constexpr utf8proc_option_t options = static_cast<utf8proc_option_t>( | |
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85 UTF8PROC_COMPAT | UTF8PROC_COMPOSE | UTF8PROC_STABLE | |
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86 UTF8PROC_IGNORE | UTF8PROC_STRIPCC | UTF8PROC_STRIPMARK | |
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87 UTF8PROC_LUMP | UTF8PROC_CASEFOLD | UTF8PROC_NLF2LS |
264 | 88 ); |
89 | |
90 /* ack */ | |
91 utf8proc_uint8_t* buf = nullptr; | |
92 | |
93 const utf8proc_ssize_t size = utf8proc_map( | |
94 reinterpret_cast<const utf8proc_uint8_t*>(string.data()), | |
95 string.size(), | |
96 &buf, | |
97 options | |
98 ); | |
99 | |
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100 if (buf) { |
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101 if (size) |
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102 string.assign(reinterpret_cast<const char*>(buf), size); |
264 | 103 |
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104 std::free(buf); |
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105 } |
264 | 106 } |
107 | |
108 void NormalizeAnimeTitle(std::string& string) { | |
109 ConvertRomanNumerals(string); | |
110 NormalizeUnicode(string); | |
111 RemoveLeadingChars(string, ' '); | |
112 RemoveTrailingChars(string, ' '); | |
113 } | |
114 | |
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115 void TextifySynopsis(std::string& string) { |
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116 /* Just let Qt deal with it. */ |
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117 QTextDocument text; |
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118 text.setHtml(Strings::ToQString(string)); |
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119 string = Strings::ToUtf8String(text.toPlainText()); |
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120 } |
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121 |
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122 /* let Qt handle the heavy lifting of locale shit |
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123 * I don't want to deal with |
258 | 124 */ |
15 | 125 std::string ToUpper(const std::string& string) { |
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126 return ToUtf8String(session.config.locale.GetLocale().toUpper(ToQString(string))); |
15 | 127 } |
128 | |
129 std::string ToLower(const std::string& string) { | |
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130 return ToUtf8String(session.config.locale.GetLocale().toLower(ToQString(string))); |
15 | 131 } |
132 | |
62 | 133 std::wstring ToWstring(const std::string& string) { |
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134 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
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135 |
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136 std::wstring wstr; |
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137 try { |
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138 wstr = converter.from_bytes(string); |
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139 } catch (std::range_error const& ex) { |
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140 /* XXX how? */ |
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141 std::cerr << "Failed to convert UTF-8 to wide string!" << std::endl; |
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142 } |
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143 return wstr; |
62 | 144 } |
145 | |
64 | 146 std::wstring ToWstring(const QString& string) { |
147 std::wstring arr(string.size(), L'\0'); | |
148 string.toWCharArray(&arr.front()); | |
149 return arr; | |
150 } | |
151 | |
62 | 152 std::string ToUtf8String(const std::wstring& wstring) { |
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153 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
62 | 154 return converter.to_bytes(wstring); |
155 } | |
156 | |
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157 std::string ToUtf8String(const std::u32string& u32string) { |
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158 static std::wstring_convert<std::codecvt_utf8_utf16<char32_t>, char32_t> converter; |
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159 return converter.to_bytes(u32string); |
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160 } |
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161 |
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162 std::u32string ToUcs4String(const std::string& string) { |
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163 static std::wstring_convert<std::codecvt_utf8_utf16<char32_t>, char32_t> converter; |
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164 return converter.from_bytes(string); |
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165 } |
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166 |
64 | 167 std::string ToUtf8String(const QString& string) { |
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168 const QByteArray ba = string.toUtf8(); |
77 | 169 return std::string(ba.constData(), ba.size()); |
170 } | |
171 | |
172 std::string ToUtf8String(const QByteArray& ba) { | |
173 return std::string(ba.constData(), ba.size()); | |
64 | 174 } |
175 | |
176 QString ToQString(const std::string& string) { | |
177 return QString::fromUtf8(string.c_str(), string.length()); | |
178 } | |
179 | |
180 QString ToQString(const std::wstring& wstring) { | |
181 return QString::fromWCharArray(wstring.c_str(), wstring.length()); | |
182 } | |
183 | |
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184 std::string ToUtf8String(const bool b) { |
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185 return b ? "true" : "false"; // lol |
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186 } |
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187 |
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188 bool ToBool(const std::string& str, bool def) { |
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189 std::istringstream s(Strings::ToLower(str)); |
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190 s >> std::boolalpha >> def; |
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191 return def; |
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192 } |
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193 |
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194 template<typename T> |
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195 constexpr T ipow(T num, unsigned int pow) { |
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196 return (pow >= sizeof(unsigned int)*8) ? 0 : |
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197 pow == 0 ? 1 : num * ipow(num, pow-1); |
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198 } |
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199 |
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200 /* util funcs */ |
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201 uint64_t HumanReadableSizeToBytes(const std::string& str) { |
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202 static const std::unordered_map<std::string, uint64_t> bytes_map = { |
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203 {"KB", 1e3}, |
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204 {"MB", 1e6}, |
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205 {"GB", 1e9}, |
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206 {"TB", 1e12}, |
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207 {"PB", 1e15}, |
273
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208 {"KiB", 1ull << 10}, |
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209 {"MiB", 1ull << 20}, |
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210 {"GiB", 1ull << 30}, |
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211 {"TiB", 1ull << 40}, |
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212 {"PiB", 1ull << 50} /* surely we won't need more than this */ |
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213 }; |
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214 |
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215 for (const auto& suffix : bytes_map) { |
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216 if (str.find(suffix.first) != std::string::npos) { |
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217 try { |
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218 uint64_t size = std::stod(str) * suffix.second; |
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219 return size; |
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220 } catch (std::invalid_argument const& ex) { |
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221 continue; |
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222 } |
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223 } |
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224 } |
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225 |
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226 return ToInt(str, 0); |
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227 } |
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228 |
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229 std::string BytesToHumanReadableSize(uint64_t bytes, int precision) { |
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230 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0) |
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231 /* QLocale in Qt >= 5.10.0 has a function for this */ |
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232 return Strings::ToUtf8String(session.config.locale.GetLocale().formattedDataSize(bytes, precision)); |
273
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233 #else |
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234 static const std::unordered_map<uint64_t, std::string> map = { |
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235 {1ull << 10, "KiB"}, |
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236 {1ull << 20, "MiB"}, |
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237 {1ull << 30, "GiB"}, |
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238 {1ull << 40, "TiB"}, |
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239 {1ull << 50, "PiB"} |
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240 }; |
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241 |
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242 for (const auto& suffix : map) { |
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243 if (bytes / suffix.first < 1) |
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244 continue; |
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245 |
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246 std::stringstream ss; |
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247 ss << std::setprecision(precision) |
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248 << (static_cast<double>(bytes) / suffix.first) << " " |
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249 << suffix.second; |
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250 return ss.str(); |
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251 } |
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252 |
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253 /* better luck next time */ |
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254 return "0 bytes"; |
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255 #endif |
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256 } |
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257 |
264 | 258 void RemoveLeadingChars(std::string& s, const char c) { |
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259 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1)); |
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260 } |
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261 |
264 | 262 void RemoveTrailingChars(std::string& s, const char c) { |
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263 s.erase(s.find_last_not_of(c) + 1, std::string::npos); |
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264 } |
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265 |
102 | 266 bool BeginningMatchesSubstring(const std::string& str, const std::string& sub) { |
267 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++) | |
268 if (str[i] != sub[i]) | |
269 return false; | |
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270 |
102 | 271 return true; |
272 } | |
273 | |
322
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274 std::string Translate(const char* str) { |
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275 return Strings::ToUtf8String(QCoreApplication::tr(str)); |
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276 } |
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277 |
9 | 278 } // namespace Strings |