Mercurial > minori
annotate src/core/strings.cc @ 230:2f5a9247e501
torrents: implement download button
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| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Sat, 13 Jan 2024 09:42:02 -0500 |
| parents | 53211cb1e7f5 |
| children | 69f4768a820c |
| 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> |
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8 #include <QDebug> |
| 64 | 9 #include <QString> |
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10 #include <QLocale> |
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11 |
| 15 | 12 #include <algorithm> |
| 13 #include <cctype> | |
| 62 | 14 #include <codecvt> |
| 9 | 15 #include <locale> |
| 16 #include <string> | |
| 17 #include <vector> | |
| 102 | 18 #include <unordered_map> |
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19 #include <iostream> |
| 9 | 20 |
| 21 namespace Strings { | |
| 22 | |
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23 /* ew */ |
| 9 | 24 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) { |
| 25 if (vector.size() < 1) | |
| 26 return "-"; | |
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27 |
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28 std::string out; |
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29 |
| 9 | 30 for (unsigned long long i = 0; i < vector.size(); i++) { |
| 31 out.append(vector.at(i)); | |
| 32 if (i < vector.size() - 1) | |
| 33 out.append(delimiter); | |
| 34 } | |
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35 |
| 9 | 36 return out; |
| 37 } | |
| 38 | |
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39 std::vector<std::string> Split(const std::string &text, const std::string& delimiter) { |
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40 std::vector<std::string> tokens; |
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41 |
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42 std::size_t start = 0, end = 0; |
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43 while ((end = text.find(delimiter, start)) != std::string::npos) { |
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44 tokens.push_back(text.substr(start, end - start)); |
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45 start = end + delimiter.length(); |
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46 } |
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47 tokens.push_back(text.substr(start)); |
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48 |
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49 return tokens; |
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50 } |
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51 |
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52 /* This function is really only used for cleaning up the synopsis of |
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53 * horrible HTML debris from AniList :) |
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54 */ |
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55 std::string ReplaceAll(std::string string, const std::string& find, const std::string& replace) { |
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56 size_t pos = 0; |
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57 while ((pos = string.find(find, pos)) != std::string::npos) { |
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58 string.replace(pos, find.length(), replace); |
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59 pos += replace.length(); |
| 9 | 60 } |
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61 return string; |
| 9 | 62 } |
| 63 | |
| 64 std::string SanitizeLineEndings(const std::string& string) { | |
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65 /* LOL */ |
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66 return |
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67 ReplaceAll( |
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68 ReplaceAll( |
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69 ReplaceAll( |
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70 ReplaceAll( |
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71 ReplaceAll(string, "\r\n", "\n"), |
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72 "</p>", "\n"), |
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73 "<br>", "\n"), |
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74 "<br />", "\n"), |
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75 "\n\n\n", "\n\n"); |
| 9 | 76 } |
| 77 | |
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78 /* removes dumb HTML tags because anilist is aids and |
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79 gives us HTML for synopses :/ */ |
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80 std::string RemoveHtmlTags(std::string string) { |
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81 while (string.find("<") != std::string::npos) { |
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82 auto startpos = string.find("<"); |
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83 auto endpos = string.find(">") + 1; |
| 9 | 84 |
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85 if (endpos != std::string::npos) |
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86 string.erase(startpos, endpos - startpos); |
| 9 | 87 } |
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88 return string; |
| 9 | 89 } |
| 90 | |
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91 /* e.g. "<" for "<" */ |
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92 std::string ParseHtmlEntities(std::string string) { |
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93 const std::unordered_map<std::string, std::string> map = { |
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94 /* The only one of these I can understand using are the first |
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95 * three. why do the rest of these exist? |
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96 * |
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97 * probably mojibake. |
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98 */ |
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99 {"<", "<"}, |
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100 {"&rt;", ">"}, |
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101 {" ", "\xA0"}, |
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102 {"&", "&"}, |
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103 {""", "\""}, |
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104 {"'", "'"}, |
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105 {"¢", "¢"}, |
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106 {"£", "£"}, |
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107 {"€", "€"}, |
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108 {"¥", "Â¥"}, |
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109 {"©", "©"}, |
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110 {"®", "®"}, |
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111 {"’", "’"} // Haibane Renmei, AniList |
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112 }; |
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113 |
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114 for (const auto& item : map) |
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115 string = ReplaceAll(string, item.first, item.second); |
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116 return string; |
| 9 | 117 } |
| 118 | |
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119 /* removes stupid HTML stuff */ |
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120 std::string TextifySynopsis(const std::string& string) { |
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121 return ParseHtmlEntities(RemoveHtmlTags(SanitizeLineEndings(string))); |
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122 } |
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123 |
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124 /* let Qt handle the heavy lifting of locale shit |
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125 * I don't want to deal with |
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126 */ |
| 15 | 127 std::string ToUpper(const std::string& string) { |
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128 return ToUtf8String(session.config.locale.GetLocale().toUpper(ToQString(string))); |
| 15 | 129 } |
| 130 | |
| 131 std::string ToLower(const std::string& string) { | |
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132 return ToUtf8String(session.config.locale.GetLocale().toLower(ToQString(string))); |
| 15 | 133 } |
| 134 | |
| 62 | 135 std::wstring ToWstring(const std::string& string) { |
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136 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
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137 |
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138 std::wstring wstr; |
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139 try { |
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140 wstr = converter.from_bytes(string); |
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141 } catch (std::range_error const& ex) { |
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142 std::cerr << "Failed to convert UTF-8 to wide string!" << std::endl; |
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143 } |
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144 return wstr; |
| 62 | 145 } |
| 146 | |
| 64 | 147 std::wstring ToWstring(const QString& string) { |
| 148 std::wstring arr(string.size(), L'\0'); | |
| 149 string.toWCharArray(&arr.front()); | |
| 150 return arr; | |
| 151 } | |
| 152 | |
| 62 | 153 std::string ToUtf8String(const std::wstring& wstring) { |
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154 static std::wstring_convert<std::codecvt_utf8<wchar_t>> converter("", L""); |
| 62 | 155 return converter.to_bytes(wstring); |
| 156 } | |
| 157 | |
| 64 | 158 std::string ToUtf8String(const QString& string) { |
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159 const QByteArray ba = string.toUtf8(); |
| 77 | 160 return std::string(ba.constData(), ba.size()); |
| 161 } | |
| 162 | |
| 163 std::string ToUtf8String(const QByteArray& ba) { | |
| 164 return std::string(ba.constData(), ba.size()); | |
| 64 | 165 } |
| 166 | |
| 167 QString ToQString(const std::string& string) { | |
| 168 return QString::fromUtf8(string.c_str(), string.length()); | |
| 169 } | |
| 170 | |
| 171 QString ToQString(const std::wstring& wstring) { | |
| 172 return QString::fromWCharArray(wstring.c_str(), wstring.length()); | |
| 173 } | |
| 174 | |
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175 std::string ToUtf8String(const bool b) { |
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176 return b ? "true" : "false"; // lol |
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177 } |
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178 |
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179 bool ToBool(const std::string& str, bool def) { |
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180 std::istringstream s(Strings::ToLower(str)); |
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181 s >> std::boolalpha >> def; |
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182 return def; |
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183 } |
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184 |
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185 /* util funcs */ |
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186 uint64_t HumanReadableSizeToBytes(const std::string& str) { |
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187
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187 static const std::unordered_map<std::string, uint64_t> bytes_map = { |
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188 {"KB", 1ull << 10}, |
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189 {"MB", 1ull << 20}, |
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190 {"GB", 1ull << 30}, |
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191 {"TB", 1ull << 40}, |
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192 {"PB", 1ull << 50} /* surely we won't need more than this */ |
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193 }; |
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194 |
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195 for (const auto& suffix : bytes_map) { |
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196 if (str.find(suffix.first) != std::string::npos) { |
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197 try { |
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198 uint64_t size = std::stod(str) * suffix.second; |
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199 return size; |
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200 } catch (std::invalid_argument const& ex) { |
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201 continue; |
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202 } |
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203 } |
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204 } |
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205 |
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206 return ToInt(str, 0); |
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207 } |
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208 |
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209 std::string RemoveLeadingChars(std::string s, const char c) { |
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210 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1)); |
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211 return s; |
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212 } |
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213 |
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214 std::string RemoveTrailingChars(std::string s, const char c) { |
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215 s.erase(s.find_last_not_of(c) + 1, std::string::npos); |
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216 return s; |
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217 } |
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218 |
| 102 | 219 bool BeginningMatchesSubstring(const std::string& str, const std::string& sub) { |
| 220 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++) | |
| 221 if (str[i] != sub[i]) | |
| 222 return false; | |
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223 |
| 102 | 224 return true; |
| 225 } | |
| 226 | |
| 9 | 227 } // namespace Strings |
