Mercurial > minori
annotate src/core/strings.cc @ 137:69db40272acd
dep/animia: [WIP] huge refactor
this WILL NOT compile, because lots of code has been changed
and every API in the original codebase has been removed.
note that this api setup is not exactly permanent...
| author | Paper <mrpapersonic@gmail.com> |
|---|---|
| date | Fri, 10 Nov 2023 13:52:47 -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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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 |