1 | // Formatting library for C++ - std::locale support |
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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 | #ifndef FMT_LOCALE_H_ |
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9 | #define FMT_LOCALE_H_ |
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10 | |
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11 | #include "format.h" |
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12 | #include <locale> |
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13 | |
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14 | FMT_BEGIN_NAMESPACE |
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15 | |
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16 | namespace internal { |
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17 | template <typename Char> |
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18 | typename buffer_context<Char>::type::iterator vformat_to( |
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19 | const std::locale &loc, basic_buffer<Char> &buf, |
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20 | basic_string_view<Char> format_str, |
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21 | basic_format_args<typename buffer_context<Char>::type> args) { |
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22 | typedef back_insert_range<basic_buffer<Char> > range; |
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23 | return vformat_to<arg_formatter<range>>( |
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24 | buf, to_string_view(format_str), args, internal::locale_ref(loc)); |
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25 | } |
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26 | |
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27 | template <typename Char> |
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28 | std::basic_string<Char> vformat( |
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29 | const std::locale &loc, basic_string_view<Char> format_str, |
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30 | basic_format_args<typename buffer_context<Char>::type> args) { |
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31 | basic_memory_buffer<Char> buffer; |
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32 | internal::vformat_to(loc, buffer, format_str, args); |
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33 | return fmt::to_string(buffer); |
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34 | } |
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35 | } |
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36 | |
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37 | template <typename S, typename Char = FMT_CHAR(S)> |
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38 | inline std::basic_string<Char> vformat( |
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39 | const std::locale &loc, const S &format_str, |
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40 | basic_format_args<typename buffer_context<Char>::type> args) { |
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41 | return internal::vformat(loc, to_string_view(format_str), args); |
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42 | } |
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43 | |
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44 | template <typename S, typename... Args> |
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45 | inline std::basic_string<FMT_CHAR(S)> format( |
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46 | const std::locale &loc, const S &format_str, const Args &... args) { |
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47 | return internal::vformat( |
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48 | loc, to_string_view(format_str), |
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49 | *internal::checked_args<S, Args...>(format_str, args...)); |
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50 | } |
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51 | |
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52 | template <typename String, typename OutputIt, typename... Args> |
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53 | inline typename std::enable_if<internal::is_output_iterator<OutputIt>::value, |
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54 | OutputIt>::type |
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55 | vformat_to(OutputIt out, const std::locale &loc, const String &format_str, |
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56 | typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) { |
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57 | typedef output_range<OutputIt, FMT_CHAR(String)> range; |
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58 | return vformat_to<arg_formatter<range>>( |
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59 | range(out), to_string_view(format_str), args, internal::locale_ref(loc)); |
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60 | } |
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61 | |
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62 | template <typename OutputIt, typename S, typename... Args> |
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63 | inline typename std::enable_if< |
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64 | internal::is_string<S>::value && |
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65 | internal::is_output_iterator<OutputIt>::value, OutputIt>::type |
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66 | format_to(OutputIt out, const std::locale &loc, const S &format_str, |
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67 | const Args &... args) { |
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68 | internal::check_format_string<Args...>(format_str); |
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69 | typedef typename format_context_t<OutputIt, FMT_CHAR(S)>::type context; |
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70 | format_arg_store<context, Args...> as{args...}; |
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71 | return vformat_to(out, loc, to_string_view(format_str), |
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72 | basic_format_args<context>(as)); |
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73 | } |
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74 | |
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75 | FMT_END_NAMESPACE |
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76 | |
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77 | #endif // FMT_LOCALE_H_ |
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