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annotate dep/animone/src/util.cc @ 309:bf89fbf7ff38

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author Paper <paper@paper.us.eu.org>
date Tue, 11 Jun 2024 04:24:59 -0400
parents b1f625b0227c
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 "animone/util.h"
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8
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9 namespace animone::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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24
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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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67
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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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76
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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 animone::internal::util