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Simplify part_counter

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This commit is contained in:
Victor Zverovich 2019-08-25 08:30:59 -07:00
parent fe00cddde2
commit b9815cf048
1 changed files with 6 additions and 12 deletions
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18
include/fmt/compile.h
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@ -261,16 +261,15 @@ class prepared_format {
};
template <typename Char> struct part_counter {
public:
FMT_CONSTEXPR part_counter() : counter_(0u) {}
unsigned num_parts = 0;
FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
if (begin != end) ++counter_;
if (begin != end) ++num_parts;
}
FMT_CONSTEXPR void on_arg_id() { ++counter_; }
FMT_CONSTEXPR void on_arg_id(unsigned) { ++counter_; }
FMT_CONSTEXPR void on_arg_id(basic_string_view<Char>) { ++counter_; }
FMT_CONSTEXPR void on_arg_id() { ++num_parts; }
FMT_CONSTEXPR void on_arg_id(unsigned) { ++num_parts; }
FMT_CONSTEXPR void on_arg_id(basic_string_view<Char>) { ++num_parts; }
FMT_CONSTEXPR void on_replacement_field(const Char*) {}
@ -290,11 +289,6 @@ template <typename Char> struct part_counter {
}
FMT_CONSTEXPR void on_error(const char*) {}
FMT_CONSTEXPR unsigned result() const { return counter_; }
private:
unsigned counter_;
};
template <typename Format> class compiletime_prepared_parts_type_provider {
@ -305,7 +299,7 @@ template <typename Format> class compiletime_prepared_parts_type_provider {
FMT_CONSTEXPR_DECL const auto text = to_string_view(Format{});
part_counter<char_type> counter;
internal::parse_format_string</*IS_CONSTEXPR=*/true>(text, counter);
return counter.result();
return counter.num_parts;
}
// Workaround for old compilers. Compiletime parts preparation will not be