basic_writer< Range >::int_writer< Int, Spec > Struct Template Reference

Classes
struct	bin_writer
struct	dec_writer
struct	hex_writer
struct	num_writer

Public Types
enum	{ SEP_SIZE = 1 }
typedef internal::int_traits< Int >::main_type	unsigned_type

Public Member Functions
string_view	get_prefix () const
template<unsigned BITS>
int	count_digits () const
	int_writer (basic_writer< Range > &w, Int value, const Spec &s)
void	on_dec ()
void	on_hex ()
void	on_bin ()
void	on_oct ()
void	on_num ()
void	on_error ()

Public Attributes
basic_writer< Range > &	writer
const Spec &	spec
unsigned_type	abs_value
char	prefix [4]
unsigned	prefix_size

Detailed Description

template<typename Range>
template<typename Int, typename Spec>
struct basic_writer< Range >::int_writer< Int, Spec >

Definition at line 2364 of file format.h.

Member Typedef Documentation

template<typename Range>

template<typename Int , typename Spec >

typedef internal::int_traits<Int>::main_type basic_writer< Range >::int_writer< Int, Spec >::unsigned_type

Definition at line 2365 of file format.h.

Member Enumeration Documentation

template<typename Range>

template<typename Int , typename Spec >

anonymous enum

Enumerator
SEP_SIZE

Definition at line 2469 of file format.h.

{ SEP_SIZE = 1 };

Constructor & Destructor Documentation

template<typename Range>

template<typename Int , typename Spec >

basic_writer< Range >::int_writer< Int, Spec >::int_writer ( basic_writer< Range > &  w, Int  value, const Spec &  s  )

inline

Definition at line 2386 of file format.h.

      : writer(w), spec(s), abs_value(static_cast<unsigned_type>(value)),
        prefix_size(0) {
      if (internal::is_negative(value)) {
        prefix[0] = '-';
        ++prefix_size;
        abs_value = 0 - abs_value;
      } else if (spec.has(SIGN_FLAG)) {
        prefix[0] = spec.has(PLUS_FLAG) ? '+' : ' ';
        ++prefix_size;
      }
    }

Member Function Documentation

template<typename Range>

template<typename Int , typename Spec >

template<unsigned BITS>

int basic_writer< Range >::int_writer< Int, Spec >::count_digits ( ) const

inline

Definition at line 2377 of file format.h.

                             {
      unsigned_type n = abs_value;
      int num_digits = 0;
      do {
        ++num_digits;
      } while ((n >>= BITS) != 0);
      return num_digits;
    }

template<typename Range>

template<typename Int , typename Spec >

string_view basic_writer< Range >::int_writer< Int, Spec >::get_prefix ( ) const

inline

Definition at line 2373 of file format.h.

{ return string_view(prefix, prefix_size); }

template<typename Range>

template<typename Int , typename Spec >

void basic_writer< Range >::int_writer< Int, Spec >::on_bin ( )

inline

Definition at line 2447 of file format.h.

                  {
      if (spec.has(HASH_FLAG)) {
        prefix[prefix_size++] = '0';
        prefix[prefix_size++] = static_cast<char>(spec.type);
      }
      int num_digits = count_digits<1>();
      writer.write_int(num_digits, get_prefix(), spec,
                       bin_writer<1>{abs_value, num_digits});
    }

template<typename Range>

template<typename Int , typename Spec >

void basic_writer< Range >::int_writer< Int, Spec >::on_dec ( )

inline

Definition at line 2409 of file format.h.

                  {
      int num_digits = internal::count_digits(abs_value);
      writer.write_int(num_digits, get_prefix(), spec,
                       dec_writer{abs_value, num_digits});
    }

template<typename Range>

template<typename Int , typename Spec >

void basic_writer< Range >::int_writer< Int, Spec >::on_error ( )

inline

Definition at line 2492 of file format.h.

                    {
      FMT_THROW(format_error("invalid type specifier"));
    }

template<typename Range>

template<typename Int , typename Spec >

void basic_writer< Range >::int_writer< Int, Spec >::on_hex ( )

inline

Definition at line 2426 of file format.h.

                  {
      if (spec.has(HASH_FLAG)) {
        prefix[prefix_size++] = '0';
        prefix[prefix_size++] = static_cast<char>(spec.type);
      }
      int num_digits = count_digits<4>();
      writer.write_int(num_digits, get_prefix(), spec,
                       hex_writer{*this, num_digits});
    }

template<typename Range>

template<typename Int , typename Spec >

void basic_writer< Range >::int_writer< Int, Spec >::on_num ( )

inline

Definition at line 2484 of file format.h.

                  {
      int num_digits = internal::count_digits(abs_value);
      char_type sep = internal::thousands_sep<char_type>(writer.locale_);
      int size = num_digits + SEP_SIZE * ((num_digits - 1) / 3);
      writer.write_int(size, get_prefix(), spec,
                       num_writer{abs_value, size, sep});
    }

template<typename Range>

template<typename Int , typename Spec >

void basic_writer< Range >::int_writer< Int, Spec >::on_oct ( )

inline

Definition at line 2457 of file format.h.

                  {
      int num_digits = count_digits<3>();
      if (spec.has(HASH_FLAG) &&
          spec.precision <= num_digits) {
        // Octal prefix '0' is counted as a digit, so only add it if precision
        // is not greater than the number of digits.
        prefix[prefix_size++] = '0';
      }
      writer.write_int(num_digits, get_prefix(), spec,
                       bin_writer<3>{abs_value, num_digits});
    }

Member Data Documentation

template<typename Range>

template<typename Int , typename Spec >

unsigned_type basic_writer< Range >::int_writer< Int, Spec >::abs_value

Definition at line 2369 of file format.h.

template<typename Range>

template<typename Int , typename Spec >

char basic_writer< Range >::int_writer< Int, Spec >::prefix[4]

Definition at line 2370 of file format.h.

template<typename Range>

template<typename Int , typename Spec >

unsigned basic_writer< Range >::int_writer< Int, Spec >::prefix_size

Definition at line 2371 of file format.h.

template<typename Range>

template<typename Int , typename Spec >

const Spec& basic_writer< Range >::int_writer< Int, Spec >::spec

Definition at line 2368 of file format.h.

template<typename Range>

template<typename Int , typename Spec >

basic_writer<Range>& basic_writer< Range >::int_writer< Int, Spec >::writer

Definition at line 2367 of file format.h.

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The documentation for this struct was generated from the following file:

• wire-cell-build/util/inc/spdlog/fmt/bundled/format.h