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annotate dep/animia/src/util.cc @ 153:bd439dd6ffc5

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*: make win stuff actually work, rename bsd.cc to xnu.cc It's been OS X only for ages, and these functions are different between most BSDs anyway
author Paper <mrpapersonic@gmail.com>
date Wed, 15 Nov 2023 13:28:18 -0500
parents 8700806c2cc2
children cdf79282d647
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1 #include <algorithm>
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2 #include <fstream>
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3 #include <sstream>
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4 #include <string>
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5 #include <regex>
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6
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7 #include <iostream>
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8
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9 #include "animia/util.h"
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10
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11 namespace animia::internal::util {
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12
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13 bool ReadFile(const std::string& path, std::string& data) {
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14 std::ifstream file(path.c_str(), std::ios::in | std::ios::binary);
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15
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16 if (!file)
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17 return false;
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18
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19 file.seekg(0, std::ios::end);
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20 data.resize(static_cast<size_t>(file.tellg()));
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21 file.seekg(0, std::ios::beg);
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22
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23 file.read(&data.front(), data.size());
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24 file.close();
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25
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26 return true;
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27 }
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28
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29 /* this assumes ASCII... which really should be the case for what we need, anyway */
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30 bool EqualStrings(const std::string& str1, const std::string& str2) {
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31 auto tolower = [](const char c) -> char {
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32 return ('A' <= c && c <= 'Z') ? c + ('a' - 'A') : c;
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33 };
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34
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35 auto equal_chars = [&tolower](const char c1, const char c2) -> bool {
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36 return tolower(c1) == tolower(c2);
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37 };
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38
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39 return str1.length() == str2.length() && std::equal(str1.begin(), str1.end(), str2.begin(), equal_chars);
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40 }
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41
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42 bool Stem(const std::string& filename, std::string& stem) {
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43 unsigned long long pos = filename.find_last_of(".");
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44 if (pos != std::string::npos)
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45 return false;
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46
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47 stem = filename.substr(0, pos);
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48 return true;
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49 }
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50
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51 bool CheckPattern(const std::string& pattern, const std::string& str) {
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52 if (pattern.empty())
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53 return false;
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54 if (pattern.front() == '^' && std::regex_match(str, std::regex(pattern)))
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55 return true;
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56 return util::EqualStrings(pattern, str);
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57 }
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58
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59 bool TrimLeft(std::string& str, const char* chars) {
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60 if (str.empty())
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61 return false;
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62
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63 const auto found = str.find_first_not_of(chars);
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64
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65 if (found == 0)
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66 return false;
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67
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68 if (found == std::string::npos)
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69 str.clear();
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70 else
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71 str.erase(0, found);
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72
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73 return true;
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74 }
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75
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76 bool TrimRight(std::string& str, const char* chars) {
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77 if (str.empty())
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78 return false;
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79
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80 const auto found = str.find_last_not_of(chars);
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81
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82 if (found == str.size() - 1)
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83 return false;
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84
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85 if (found == std::string::npos)
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86 str.clear();
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87 else
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88 str.resize(found + 1);
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89
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90 return true;
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91 }
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92
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93 } // namespace anisthesia::detail::util