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annotate dep/animia/src/util.cc @ 156:cdf79282d647

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dep/animia: add VERY early x11 window stuff
author Paper <mrpapersonic@gmail.com>
date Wed, 15 Nov 2023 18:04:04 -0500
parents bd439dd6ffc5
children 80d6b28eb29f
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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
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14 if (!file)
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15 return false;
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16
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17 file.seekg(0, std::ios::end);
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18 data.resize(static_cast<size_t>(file.tellg()));
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19 file.seekg(0, std::ios::beg);
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20
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21 file.read(&data.front(), data.size());
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22 file.close();
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23
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24 return true;
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25 }
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26
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27 /* this assumes ASCII... which really should be the case for what we need, anyway */
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28 bool EqualStrings(const std::string& str1, const std::string& str2) {
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29 auto tolower = [](const char c) -> char { return ('A' <= c && c <= 'Z') ? c + ('a' - 'A') : c; };
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30
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31 auto equal_chars = [&tolower](const char c1, const char c2) -> bool { return tolower(c1) == tolower(c2); };
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32
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33 return str1.length() == str2.length() && std::equal(str1.begin(), str1.end(), str2.begin(), equal_chars);
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34 }
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35
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36 bool Stem(const std::string& filename, std::string& stem) {
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37 unsigned long long pos = filename.find_last_of(".");
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38 if (pos != std::string::npos)
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39 return false;
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40
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41 stem = filename.substr(0, pos);
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42 return true;
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43 }
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44
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45 bool CheckPattern(const std::string& pattern, const std::string& str) {
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46 if (pattern.empty())
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47 return false;
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48 if (pattern.front() == '^' && std::regex_match(str, std::regex(pattern)))
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49 return true;
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50 return util::EqualStrings(pattern, str);
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51 }
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52
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53 bool TrimLeft(std::string& str, const char* chars) {
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54 if (str.empty())
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55 return false;
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56
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57 const auto found = str.find_first_not_of(chars);
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58
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59 if (found == 0)
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60 return false;
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61
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62 if (found == std::string::npos)
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63 str.clear();
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64 else
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65 str.erase(0, found);
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66
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67 return true;
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68 }
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69
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70 bool TrimRight(std::string& str, const char* chars) {
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71 if (str.empty())
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72 return false;
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73
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74 const auto found = str.find_last_not_of(chars);
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75
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76 if (found == str.size() - 1)
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77 return false;
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78
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79 if (found == std::string::npos)
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80 str.clear();
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81 else
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82 str.resize(found + 1);
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83
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84 return true;
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85 }
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86
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87 } // namespace animia::internal::util