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annotate dep/animia/src/util.cc @ 198:bc1ae1810855

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dep/animia: switch from using classes to global functions the old idea was ok, but sort of hackish; this method doesn't use classes at all, and this way (especially important!) we can do wayland stuff AND x11 at the same time, which wasn't really possible without stupid workarounds in the other method
author Paper <mrpapersonic@gmail.com>
date Sun, 24 Dec 2023 02:59:42 -0500
parents 80d6b28eb29f
children
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1 #include <algorithm>
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2 #include <fstream>
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3 #include <regex>
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4 #include <sstream>
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5 #include <string>
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6
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7 #include "animia/util.h"
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8
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9 namespace animia::internal::util {
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10
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11 bool ReadFile(const std::string& path, std::string& data) {
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12 std::ifstream file(path.c_str(), std::ios::in | std::ios::binary);
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13 if (!file)
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14 return false;
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15
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16 std::ostringstream string;
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17 string << file.rdbuf();
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18 file.close();
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19
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20 data = string.str();
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21
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22 return true;
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23 }
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25 /* this assumes ASCII... which really should be the case for what we need, anyway */
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26 bool EqualStrings(const std::string& str1, const std::string& str2) {
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27 auto tolower = [](const char c) -> char { return ('A' <= c && c <= 'Z') ? c + ('a' - 'A') : c; };
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28
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29 auto equal_chars = [&tolower](const char c1, const char c2) -> bool { return tolower(c1) == tolower(c2); };
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30
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31 return str1.length() == str2.length() && std::equal(str1.begin(), str1.end(), str2.begin(), equal_chars);
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32 }
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33
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34 bool Stem(const std::string& filename, std::string& stem) {
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35 unsigned long long pos = filename.find_last_of(".");
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36 if (pos != std::string::npos)
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37 return false;
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38
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39 stem = filename.substr(0, pos);
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40 return true;
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41 }
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42
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43 bool CheckPattern(const std::string& pattern, const std::string& str) {
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44 if (pattern.empty())
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45 return false;
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46 if (pattern.front() == '^' && std::regex_match(str, std::regex(pattern)))
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47 return true;
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48 return util::EqualStrings(pattern, str);
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49 }
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50
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51 bool TrimLeft(std::string& str, const char* chars) {
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52 if (str.empty())
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53 return false;
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54
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55 const auto found = str.find_first_not_of(chars);
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56
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57 if (found == 0)
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58 return false;
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59
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60 if (found == std::string::npos)
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61 str.clear();
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62 else
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63 str.erase(0, found);
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64
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65 return true;
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66 }
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68 bool TrimRight(std::string& str, const char* chars) {
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69 if (str.empty())
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70 return false;
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71
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72 const auto found = str.find_last_not_of(chars);
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73
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74 if (found == str.size() - 1)
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75 return false;
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77 if (found == std::string::npos)
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78 str.clear();
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79 else
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80 str.resize(found + 1);
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81
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82 return true;
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83 }
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84
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85 } // namespace animia::internal::util