Mercurial > minori
annotate src/core/strings.cc @ 221:53211cb1e7f5
library: add initial library stuff
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author | Paper <paper@paper.us.eu.org> |
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date | Mon, 08 Jan 2024 13:21:08 -0500 |
parents | 7cf53145de11 |
children | f784b5b1914c 2f5a9247e501 |
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> |
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> |
9 | 19 |
20 namespace Strings { | |
21 | |
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22 /* ew */ |
9 | 23 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) { |
24 if (vector.size() < 1) | |
25 return "-"; | |
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26 |
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27 std::string out; |
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28 |
9 | 29 for (unsigned long long i = 0; i < vector.size(); i++) { |
30 out.append(vector.at(i)); | |
31 if (i < vector.size() - 1) | |
32 out.append(delimiter); | |
33 } | |
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34 |
9 | 35 return out; |
36 } | |
37 | |
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38 std::vector<std::string> Split(const std::string &text, const std::string& delimiter) { |
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39 std::vector<std::string> tokens; |
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40 |
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41 std::size_t start = 0, end = 0; |
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42 while ((end = text.find(delimiter, start)) != std::string::npos) { |
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43 tokens.push_back(text.substr(start, end - start)); |
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44 start = end + delimiter.length(); |
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45 } |
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46 tokens.push_back(text.substr(start)); |
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47 |
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48 return tokens; |
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49 } |
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50 |
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51 /* This function is really only used for cleaning up the synopsis of |
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52 * horrible HTML debris from AniList :) |
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53 */ |
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54 std::string ReplaceAll(std::string string, const std::string& find, const std::string& replace) { |
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55 size_t pos = 0; |
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56 while ((pos = string.find(find, pos)) != std::string::npos) { |
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57 string.replace(pos, find.length(), replace); |
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58 pos += replace.length(); |
9 | 59 } |
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60 return string; |
9 | 61 } |
62 | |
63 std::string SanitizeLineEndings(const std::string& string) { | |
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64 /* LOL */ |
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65 return |
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66 ReplaceAll( |
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67 ReplaceAll( |
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68 ReplaceAll( |
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69 ReplaceAll( |
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70 ReplaceAll(string, "\r\n", "\n"), |
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71 "</p>", "\n"), |
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72 "<br>", "\n"), |
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73 "<br />", "\n"), |
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74 "\n\n\n", "\n\n"); |
9 | 75 } |
76 | |
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77 /* removes dumb HTML tags because anilist is aids and |
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78 gives us HTML for synopses :/ */ |
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79 std::string RemoveHtmlTags(std::string string) { |
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80 while (string.find("<") != std::string::npos) { |
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81 auto startpos = string.find("<"); |
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82 auto endpos = string.find(">") + 1; |
9 | 83 |
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84 if (endpos != std::string::npos) |
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85 string.erase(startpos, endpos - startpos); |
9 | 86 } |
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87 return string; |
9 | 88 } |
89 | |
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90 /* e.g. "<" for "<" */ |
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91 std::string ParseHtmlEntities(std::string string) { |
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92 const std::unordered_map<std::string, std::string> map = { |
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93 /* The only one of these I can understand using are the first |
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94 * three. why do the rest of these exist? |
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95 * |
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96 * probably mojibake. |
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97 */ |
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98 {"<", "<"}, |
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99 {"&rt;", ">"}, |
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100 {" ", "\xA0"}, |
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101 {"&", "&"}, |
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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 {"¥", "Â¥"}, |
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108 {"©", "©"}, |
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109 {"®", "®"}, |
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110 {"’", "’"} // Haibane Renmei, AniList |
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111 }; |
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112 |
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113 for (const auto& item : map) |
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114 string = ReplaceAll(string, item.first, item.second); |
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115 return string; |
9 | 116 } |
117 | |
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118 /* removes stupid HTML stuff */ |
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119 std::string TextifySynopsis(const std::string& string) { |
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120 return ParseHtmlEntities(RemoveHtmlTags(SanitizeLineEndings(string))); |
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121 } |
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122 |
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123 /* let Qt handle the heavy lifting of locale shit |
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124 * I don't want to deal with |
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125 */ |
15 | 126 std::string ToUpper(const std::string& string) { |
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127 return ToUtf8String(session.config.locale.GetLocale().toUpper(ToQString(string))); |
15 | 128 } |
129 | |
130 std::string ToLower(const std::string& string) { | |
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131 return ToUtf8String(session.config.locale.GetLocale().toLower(ToQString(string))); |
15 | 132 } |
133 | |
62 | 134 std::wstring ToWstring(const std::string& string) { |
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135 static std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter; |
62 | 136 return converter.from_bytes(string); |
137 } | |
138 | |
64 | 139 std::wstring ToWstring(const QString& string) { |
140 std::wstring arr(string.size(), L'\0'); | |
141 string.toWCharArray(&arr.front()); | |
142 return arr; | |
143 } | |
144 | |
62 | 145 std::string ToUtf8String(const std::wstring& wstring) { |
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146 static std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter; |
62 | 147 return converter.to_bytes(wstring); |
148 } | |
149 | |
64 | 150 std::string ToUtf8String(const QString& string) { |
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151 const QByteArray ba = string.toUtf8(); |
77 | 152 return std::string(ba.constData(), ba.size()); |
153 } | |
154 | |
155 std::string ToUtf8String(const QByteArray& ba) { | |
156 return std::string(ba.constData(), ba.size()); | |
64 | 157 } |
158 | |
159 QString ToQString(const std::string& string) { | |
160 return QString::fromUtf8(string.c_str(), string.length()); | |
161 } | |
162 | |
163 QString ToQString(const std::wstring& wstring) { | |
164 return QString::fromWCharArray(wstring.c_str(), wstring.length()); | |
165 } | |
166 | |
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167 std::string ToUtf8String(const bool b) { |
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168 return b ? "true" : "false"; // lol |
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169 } |
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170 |
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171 bool ToBool(const std::string& str, bool def) { |
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172 std::istringstream s(Strings::ToLower(str)); |
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173 s >> std::boolalpha >> def; |
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174 return def; |
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175 } |
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176 |
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177 /* util funcs */ |
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178 uint64_t HumanReadableSizeToBytes(const std::string& str) { |
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179 static const std::unordered_map<std::string, uint64_t> bytes_map = { |
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180 {"KB", 1ull << 10}, |
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181 {"MB", 1ull << 20}, |
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182 {"GB", 1ull << 30}, |
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183 {"TB", 1ull << 40}, |
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184 {"PB", 1ull << 50} /* surely we won't need more than this */ |
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185 }; |
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186 |
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187 for (const auto& suffix : bytes_map) { |
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188 if (str.find(suffix.first) != std::string::npos) { |
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189 try { |
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190 uint64_t size = std::stod(str) * suffix.second; |
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191 return size; |
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192 } catch (std::invalid_argument const& ex) { |
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193 continue; |
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194 } |
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195 } |
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196 } |
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197 |
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198 return ToInt(str, 0); |
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199 } |
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200 |
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201 std::string RemoveLeadingChars(std::string s, const char c) { |
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202 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1)); |
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203 return s; |
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204 } |
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205 |
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206 std::string RemoveTrailingChars(std::string s, const char c) { |
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207 s.erase(s.find_last_not_of(c) + 1, std::string::npos); |
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208 return s; |
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209 } |
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210 |
102 | 211 bool BeginningMatchesSubstring(const std::string& str, const std::string& sub) { |
212 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++) | |
213 if (str[i] != sub[i]) | |
214 return false; | |
187
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215 |
102 | 216 return true; |
217 } | |
218 | |
9 | 219 } // namespace Strings |