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annotate src/core/strings.cc @ 139:478f3b366199

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dep/animia: separate lots of things, use base class for OS stuff
author Paper <mrpapersonic@gmail.com>
date Sun, 12 Nov 2023 16:43:07 -0500
parents 275da698697d
children 9613d72b097e
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1 /**
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2 * strings.cpp: Useful functions for manipulating strings
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3 **/
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4 #include "core/strings.h"
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5 #include <QByteArray>
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6 #include <QDebug>
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7 #include <QString>
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8 #include <QLocale>
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9 #include <algorithm>
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10 #include <cctype>
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11 #include <codecvt>
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12 #include <locale>
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13 #include <string>
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14 #include <vector>
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15 #include <unordered_map>
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16
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17 namespace Strings {
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18
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19 /* ew */
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20 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter) {
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21 if (vector.size() < 1)
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22 return "-";
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23 std::string out = "";
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24 for (unsigned long long i = 0; i < vector.size(); i++) {
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25 out.append(vector.at(i));
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26 if (i < vector.size() - 1)
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27 out.append(delimiter);
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28 }
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29 return out;
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30 }
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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();
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52 }
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53 return string;
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54 }
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55
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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");
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68 }
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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;
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77 if (endpos != std::string::npos)
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78 string.erase(startpos, endpos - startpos);
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79 }
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80 return string;
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81 }
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82
98
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83 /* e.g. "&lt;" 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? */
98
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88 {"&lt;", "<"},
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89 {"&rt;", ">"},
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90 {"&nbsp;", "\xA0"},
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91 {"&amp;", "&"},
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92 {"&quot;", "\""},
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93 {"&apos;", "'"},
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94 {"&cent;", "¢"},
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95 {"&pound;", "£"},
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96 {"&euro;", "€"},
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97 {"&yen;", "¥"},
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98 {"&copy;", "©"},
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99 {"&reg;", "®"},
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100 {"&rsquo;", "’"} // 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;
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106 }
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107
99
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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 */
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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)));
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121 }
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122
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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)));
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126 }
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127
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128 std::wstring ToWstring(const std::string& string) {
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129 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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130 return converter.from_bytes(string);
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131 }
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132
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133 std::wstring ToWstring(const QString& string) {
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134 std::wstring arr(string.size(), L'\0');
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135 string.toWCharArray(&arr.front());
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136 return arr;
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137 }
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138
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139 std::string ToUtf8String(const std::wstring& wstring) {
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140 std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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141 return converter.to_bytes(wstring);
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142 }
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143
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144 std::string ToUtf8String(const QString& string) {
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145 QByteArray ba = string.toUtf8();
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146 return std::string(ba.constData(), ba.size());
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diff changeset
147 }
6f7385bd334c *: update
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148
6f7385bd334c *: update
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parents: 76
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149 std::string ToUtf8String(const QByteArray& ba) {
6f7385bd334c *: update
Paper <mrpapersonic@gmail.com>
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150 return std::string(ba.constData(), ba.size());
64
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
151 }
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
152
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
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diff changeset
153 QString ToQString(const std::string& string) {
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
154 return QString::fromUtf8(string.c_str(), string.length());
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
155 }
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
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diff changeset
156
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
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diff changeset
157 QString ToQString(const std::wstring& wstring) {
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
158 return QString::fromWCharArray(wstring.c_str(), wstring.length());
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
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diff changeset
159 }
fe719c109dbc *: update
Paper <mrpapersonic@gmail.com>
parents: 62
diff changeset
160
120
275da698697d config: template-ify INI
Paper <mrpapersonic@gmail.com>
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diff changeset
161 /* not really an "int"... but who cares? */
101
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
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diff changeset
162 int ToInt(const std::string& str, int def) {
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
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diff changeset
163 int tmp = 0;
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
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164 try {
c537996cf67b *: multitude of config changes
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165 tmp = std::stoi(str);
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
parents: 100
diff changeset
166 } catch (std::invalid_argument const& ex) {
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
parents: 100
diff changeset
167 qDebug() << "Failed to parse int from std::string: no number found in " << ToQString(str) << " defaulting to " << def;
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
parents: 100
diff changeset
168 tmp = def;
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
parents: 100
diff changeset
169 }
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
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diff changeset
170 return tmp;
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
parents: 100
diff changeset
171 }
c537996cf67b *: multitude of config changes
Paper <mrpapersonic@gmail.com>
parents: 100
diff changeset
172
116
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
173 bool ToBool(const std::string& s, const bool def) {
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
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diff changeset
174 if (s.length() < 4)
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
175 return def;
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
176 std::string l = Strings::ToLower(s);
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
177 if (Strings::BeginningMatchesSubstring(l, "true"))
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
178 return true;
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
179 else if (Strings::BeginningMatchesSubstring(l, "false"))
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
180 return false;
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
181 return def;
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
182 }
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
183
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
184 std::string ToUtf8String(const bool b) {
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
185 return b ? "true" : "false";
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
186 }
254b1d2b7096 settings: add torrents page, make rss feed configurable
Paper <mrpapersonic@gmail.com>
parents: 114
diff changeset
187
114
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
188 uint64_t HumanReadableSizeToBytes(const std::string& str) {
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
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diff changeset
189 const std::unordered_map<std::string, uint64_t> bytes_map = {
118
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
190 {"KB", 1ull << 10},
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
191 {"MB", 1ull << 20},
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
192 {"GB", 1ull << 30},
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
193 {"TB", 1ull << 40},
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
194 {"PB", 1ull << 50} /* surely we won't need more than this */
114
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
195 };
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
196
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
197 for (const auto& suffix : bytes_map) {
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
198 if (str.find(suffix.first) != std::string::npos) {
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
199 try {
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
200 uint64_t size = std::stod(str) * suffix.second;
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
201 return size;
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
202 } catch (std::invalid_argument const& ex) {
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
203 continue;
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
204 }
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
205 }
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
206 }
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
207
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
208 return ToInt(str, 0);
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
209 }
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
210
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
211 std::string RemoveLeadingChars(std::string s, const char c) {
118
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
212 s.erase(0, std::min(s.find_first_not_of(c), s.size() - 1));
39521c47c7a3 *: another huge megacommit, SORRY
Paper <mrpapersonic@gmail.com>
parents: 116
diff changeset
213 return s;
114
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
214 }
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
215
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
216 std::string RemoveTrailingChars(std::string s, const char c) {
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
217 s.erase(s.find_last_not_of(c) + 1, std::string::npos);
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
218 return s;
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
219 }
ab191e28e69d *: add initial torrent stuff
Paper <mrpapersonic@gmail.com>
parents: 102
diff changeset
220
102
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
221 bool BeginningMatchesSubstring(const std::string& str, const std::string& sub) {
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
222 for (unsigned long long i = 0; i < str.length() && i < sub.length(); i++)
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
223 if (str[i] != sub[i])
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
224 return false;
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
225 return true;
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
226 }
b315f3759c56 *: big patch
Paper <mrpapersonic@gmail.com>
parents: 101
diff changeset
227
9
5c0397762b53 INCOMPLETE: megacommit :)
Paper <mrpapersonic@gmail.com>
parents:
diff changeset
228 } // namespace Strings