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annotate dep/fmt/test/util.h @ 380:861368fd42ff

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author Paper <paper@tflc.us>
date Thu, 06 Nov 2025 01:12:39 -0500
parents 1faa72660932
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1 // Formatting library for C++ - test utilities
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2 //
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3 // Copyright (c) 2012 - present, Victor Zverovich
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4 // All rights reserved.
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5 //
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6 // For the license information refer to format.h.
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7
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8 #include <cstdarg>
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9 #include <cstdio>
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10 #include <locale>
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11 #include <string>
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12
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13 #include "fmt/os.h"
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14
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15 #ifdef _MSC_VER
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16 # define FMT_VSNPRINTF vsprintf_s
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17 #else
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18 # define FMT_VSNPRINTF vsnprintf
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19 #endif
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20
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21 template <size_t SIZE>
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22 void safe_sprintf(char (&buffer)[SIZE], const char* format, ...) {
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23 std::va_list args;
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24 va_start(args, format);
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25 FMT_VSNPRINTF(buffer, SIZE, format, args);
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26 va_end(args);
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27 }
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28
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29 extern const char* const file_content;
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30
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31 // Opens a buffered file for reading.
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32 auto open_buffered_file(FILE** fp = nullptr) -> fmt::buffered_file;
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33
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34 inline auto safe_fopen(const char* filename, const char* mode) -> FILE* {
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35 #if defined(_WIN32) && !defined(__MINGW32__)
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36 // Fix MSVC warning about "unsafe" fopen.
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37 FILE* f = nullptr;
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38 errno = fopen_s(&f, filename, mode);
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39 return f;
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40 #else
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41 return std::fopen(filename, mode);
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42 #endif
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43 }
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44
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45 template <typename Char> class basic_test_string {
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46 private:
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47 std::basic_string<Char> value_;
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48
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49 static const Char empty[];
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50
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51 public:
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52 explicit basic_test_string(const Char* value = empty) : value_(value) {}
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53
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54 auto value() const -> const std::basic_string<Char>& { return value_; }
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55 };
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56
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57 template <typename Char> const Char basic_test_string<Char>::empty[] = {0};
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58
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59 using test_string = basic_test_string<char>;
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60 using test_wstring = basic_test_string<wchar_t>;
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61
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62 template <typename Char>
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63 auto operator<<(std::basic_ostream<Char>& os, const basic_test_string<Char>& s)
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64 -> std::basic_ostream<Char>& {
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65 os << s.value();
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66 return os;
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67 }
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68
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69 class date {
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70 int year_, month_, day_;
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71
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72 public:
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73 date(int year, int month, int day) : year_(year), month_(month), day_(day) {}
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75 auto year() const -> int { return year_; }
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76 auto month() const -> int { return month_; }
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77 auto day() const -> int { return day_; }
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78 };
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79
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80 // Returns a locale with the given name if available or classic locale
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81 // otherwise.
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82 auto get_locale(const char* name, const char* alt_name = nullptr)
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83 -> std::locale;