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Remove <utility> dependency and replace typedefs with using

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This commit is contained in:
Victor Zverovich 2017-12-06 08:38:53 -08:00
parent 94edb1a71c
commit faaafc7e12
2 changed files with 70 additions and 75 deletions
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96
include/fmt/core.h
View File

@ -31,10 +31,10 @@
#include <array>
#include <cassert>
#include <cstdio>
#include <limits>
#include <string>
#include <type_traits>
#include <vector>
#include <utility>
#ifdef __has_feature
# define FMT_HAS_FEATURE(x) __has_feature(x)
@ -223,8 +223,8 @@ class basic_string_view {
}
};
typedef basic_string_view<char> string_view;
typedef basic_string_view<wchar_t> wstring_view;
using string_view = basic_string_view<char>;
using wstring_view = basic_string_view<wchar_t>;
namespace internal {
@ -255,8 +255,8 @@ inline void require_wchar() {
"formatting of wide characters into a narrow output is disallowed");
}
typedef char yes[1];
typedef char no[2];
using yes = char[1];
using no = char[2];
yes &convert(unsigned long long);
no &convert(...);
@ -389,7 +389,7 @@ struct string_value {
template <typename Context>
struct custom_value {
typedef void (*format_func)(
using format_func = void (*)(
basic_buffer<typename Context::char_type> &buffer,
const void *arg, Context &ctx);
@ -672,15 +672,28 @@ inline typename std::enable_if<!IS_PACKED, basic_arg<Context>>::type
return make_arg<Context>(value);
}
template <typename Context>
struct named_arg : basic_arg<Context> {
typedef typename Context::char_type Char;
basic_string_view<Char> name;
template <typename T>
named_arg(basic_string_view<Char> argname, const T &value)
: basic_arg<Context>(make_arg<Context>(value)), name(argname) {}
};
template <typename Context>
class arg_map {
private:
typedef typename Context::char_type Char;
typedef std::vector<
std::pair<fmt::basic_string_view<Char>, basic_arg<Context> > > MapType;
typedef typename MapType::value_type Pair;
using Char = typename Context::char_type;
MapType map_;
struct arg {
fmt::basic_string_view<Char> name;
basic_arg<Context> value;
};
std::vector<arg> map_;
public:
void init(const basic_format_args<Context> &args);
@ -688,10 +701,9 @@ class arg_map {
const basic_arg<Context>
*find(const fmt::basic_string_view<Char> &name) const {
// The list is unsorted, so just return the first matching name.
for (typename MapType::const_iterator it = map_.begin(), end = map_.end();
it != end; ++it) {
if (it->first == name)
return &it->second;
for (auto it = map_.begin(), end = map_.end(); it != end; ++it) {
if (it->name == name)
return &it->value;
}
return 0;
}
@ -703,7 +715,7 @@ class context_base : public basic_parse_context<Char>{
basic_format_args<Context> args_;
protected:
typedef basic_arg<Context> format_arg;
using format_arg = basic_arg<Context>;
context_base(basic_string_view<Char> format_str,
basic_format_args<Context> args)
@ -747,9 +759,9 @@ class basic_context :
FMT_DISALLOW_COPY_AND_ASSIGN(basic_context);
typedef internal::context_base<Char, basic_context<Char>> Base;
using Base = internal::context_base<Char, basic_context<Char>>;
typedef typename Base::format_arg format_arg;
using format_arg = typename Base::format_arg;
using Base::get_arg;
public:
@ -779,13 +791,11 @@ class arg_store {
// Packed is a macro on MinGW so use IS_PACKED instead.
static const bool IS_PACKED = NUM_ARGS < internal::MAX_PACKED_ARGS;
typedef typename Context::char_type char_type;
typedef typename std::conditional<IS_PACKED,
internal::value<Context>, basic_arg<Context>>::type value_type;
using value_type = typename std::conditional<IS_PACKED,
internal::value<Context>, basic_arg<Context>>::type;
// If the arguments are not packed, add one more element to mark the end.
typedef std::array<value_type, NUM_ARGS + (IS_PACKED ? 0 : 1)> Array;
using Array = std::array<value_type, NUM_ARGS + (IS_PACKED ? 0 : 1)>;
Array data_;
public:
@ -812,8 +822,8 @@ inline arg_store<context, Args...> make_args(const Args & ... args) {
template <typename Context>
class basic_format_args {
public:
typedef unsigned size_type;
typedef basic_arg<Context> format_arg;
using size_type = unsigned;
using format_arg = basic_arg<Context> ;
private:
// To reduce compiled code size per formatting function call, types of first
@ -875,8 +885,37 @@ class basic_format_args {
}
};
typedef basic_format_args<context> format_args;
typedef basic_format_args<wcontext> wformat_args;
using format_args = basic_format_args<context>;
using wformat_args = basic_format_args<wcontext>;
/**
\rst
Returns a named argument for formatting functions.
**Example**::
print("Elapsed time: {s:.2f} seconds", arg("s", 1.23));
\endrst
*/
template <typename T>
inline internal::named_arg<context> arg(string_view name, const T &arg) {
return internal::named_arg<context>(name, arg);
}
template <typename T>
inline internal::named_arg<wcontext> arg(wstring_view name, const T &arg) {
return internal::named_arg<wcontext>(name, arg);
}
// The following two functions are deleted intentionally to disable
// nested named arguments as in ``format("{}", arg("a", arg("b", 42)))``.
template <typename Context>
void arg(string_view, const internal::named_arg<Context>&)
FMT_DELETED_OR_UNDEFINED;
template <typename Context>
void arg(wstring_view, const internal::named_arg<Context>&)
FMT_DELETED_OR_UNDEFINED;
enum Color { BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE };
@ -942,8 +981,7 @@ FMT_API void vprint(std::FILE *f, string_view format_str, format_args args);
\endrst
*/
template <typename... Args>
inline void print(std::FILE *f, string_view format_str,
const Args & ... args) {
inline void print(std::FILE *f, string_view format_str, const Args & ... args) {
vprint(f, format_str, make_args(args...));
}

49
include/fmt/format.h
View File

@ -919,20 +919,6 @@ constexpr typename std::result_of<Visitor(int)>::type
return typename std::result_of<Visitor(int)>::type();
}
namespace internal {
template <typename Context>
struct named_arg : basic_arg<Context> {
typedef typename Context::char_type Char;
basic_string_view<Char> name;
template <typename T>
named_arg(basic_string_view<Char> argname, const T &value)
: basic_arg<Context>(make_arg<Context>(value)), name(argname) {}
};
} // namespace internal
enum alignment {
ALIGN_DEFAULT, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_NUMERIC
};
@ -1195,7 +1181,7 @@ void arg_map<Context>::init(const basic_format_args<Context> &args) {
return;
case internal::NAMED_ARG:
named_arg = static_cast<const NamedArg*>(args.values_[i].pointer);
map_.push_back(Pair(named_arg->name, *named_arg));
map_.push_back(arg{named_arg->name, *named_arg});
break;
default:
break; // Do nothing.
@ -1207,7 +1193,7 @@ void arg_map<Context>::init(const basic_format_args<Context> &args) {
internal::type arg_type = args.type(i);
if (arg_type == internal::NAMED_ARG) {
named_arg = static_cast<const NamedArg*>(args.args_[i].value_.pointer);
map_.push_back(Pair(named_arg->name, *named_arg));
map_.push_back(arg{named_arg->name, *named_arg});
}
}
for (unsigned i = MAX_PACKED_ARGS; ; ++i) {
@ -1216,7 +1202,7 @@ void arg_map<Context>::init(const basic_format_args<Context> &args) {
return;
case internal::NAMED_ARG:
named_arg = static_cast<const NamedArg*>(args.args_[i].value_.pointer);
map_.push_back(Pair(named_arg->name, *named_arg));
map_.push_back(arg{named_arg->name, *named_arg});
break;
default:
break; // Do nothing.
@ -2869,35 +2855,6 @@ inline void format_decimal(char *&buffer, T value) {
buffer += num_digits;
}
/**
\rst
Returns a named argument for formatting functions.
**Example**::
print("Elapsed time: {s:.2f} seconds", arg("s", 1.23));
\endrst
*/
template <typename T>
inline internal::named_arg<context> arg(string_view name, const T &arg) {
return internal::named_arg<context>(name, arg);
}
template <typename T>
inline internal::named_arg<wcontext> arg(wstring_view name, const T &arg) {
return internal::named_arg<wcontext>(name, arg);
}
// The following two functions are deleted intentionally to disable
// nested named arguments as in ``format("{}", arg("a", arg("b", 42)))``.
template <typename Context>
void arg(string_view, const internal::named_arg<Context>&)
FMT_DELETED_OR_UNDEFINED;
template <typename Context>
void arg(wstring_view, const internal::named_arg<Context>&)
FMT_DELETED_OR_UNDEFINED;
// Formatter of objects of type T.
template <typename T, typename Char>
struct formatter<