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smpn2
2022-12-16 23:18:35 +09:00
parent b7a60638a4
commit 6c914266d9
725 changed files with 131020 additions and 131020 deletions
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external/fmt/include/fmt/args.h
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+232 -232
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@@ -1,232 +1,232 @@
// Formatting library for C++ - dynamic format arguments
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_ARGS_H_
#define FMT_ARGS_H_
#include <functional> // std::reference_wrapper
#include <memory> // std::unique_ptr
#include <vector>
#include "core.h"
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T> struct is_reference_wrapper : std::false_type {};
template <typename T>
struct is_reference_wrapper<std::reference_wrapper<T>> : std::true_type {};
template <typename T> const T& unwrap(const T& v) { return v; }
template <typename T> const T& unwrap(const std::reference_wrapper<T>& v) {
return static_cast<const T&>(v);
}
class dynamic_arg_list {
// Workaround for clang's -Wweak-vtables. Unlike for regular classes, for
// templates it doesn't complain about inability to deduce single translation
// unit for placing vtable. So storage_node_base is made a fake template.
template <typename = void> struct node {
virtual ~node() = default;
std::unique_ptr<node<>> next;
};
template <typename T> struct typed_node : node<> {
T value;
template <typename Arg>
FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {}
template <typename Char>
FMT_CONSTEXPR typed_node(const basic_string_view<Char>& arg)
: value(arg.data(), arg.size()) {}
};
std::unique_ptr<node<>> head_;
public:
template <typename T, typename Arg> const T& push(const Arg& arg) {
auto new_node = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
auto& value = new_node->value;
new_node->next = std::move(head_);
head_ = std::move(new_node);
return value;
}
};
} // namespace detail
/**
\rst
A dynamic version of `fmt::format_arg_store`.
It's equipped with a storage to potentially temporary objects which lifetimes
could be shorter than the format arguments object.
It can be implicitly converted into `~fmt::basic_format_args` for passing
into type-erased formatting functions such as `~fmt::vformat`.
\endrst
*/
template <typename Context>
class dynamic_format_arg_store
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround a GCC template argument substitution bug.
: public basic_format_args<Context>
#endif
{
private:
using char_type = typename Context::char_type;
template <typename T> struct need_copy {
static constexpr detail::type mapped_type =
detail::mapped_type_constant<T, Context>::value;
enum {
value = !(detail::is_reference_wrapper<T>::value ||
std::is_same<T, basic_string_view<char_type>>::value ||
std::is_same<T, detail::std_string_view<char_type>>::value ||
(mapped_type != detail::type::cstring_type &&
mapped_type != detail::type::string_type &&
mapped_type != detail::type::custom_type))
};
};
template <typename T>
using stored_type = conditional_t<detail::is_string<T>::value &&
!has_formatter<T, Context>::value &&
!detail::is_reference_wrapper<T>::value,
std::basic_string<char_type>, T>;
// Storage of basic_format_arg must be contiguous.
std::vector<basic_format_arg<Context>> data_;
std::vector<detail::named_arg_info<char_type>> named_info_;
// Storage of arguments not fitting into basic_format_arg must grow
// without relocation because items in data_ refer to it.
detail::dynamic_arg_list dynamic_args_;
friend class basic_format_args<Context>;
unsigned long long get_types() const {
return detail::is_unpacked_bit | data_.size() |
(named_info_.empty()
? 0ULL
: static_cast<unsigned long long>(detail::has_named_args_bit));
}
const basic_format_arg<Context>* data() const {
return named_info_.empty() ? data_.data() : data_.data() + 1;
}
template <typename T> void emplace_arg(const T& arg) {
data_.emplace_back(detail::make_arg<Context>(arg));
}
template <typename T>
void emplace_arg(const detail::named_arg<char_type, T>& arg) {
if (named_info_.empty()) {
constexpr const detail::named_arg_info<char_type>* zero_ptr{nullptr};
data_.insert(data_.begin(), {zero_ptr, 0});
}
data_.emplace_back(detail::make_arg<Context>(detail::unwrap(arg.value)));
auto pop_one = [](std::vector<basic_format_arg<Context>>* data) {
data->pop_back();
};
std::unique_ptr<std::vector<basic_format_arg<Context>>, decltype(pop_one)>
guard{&data_, pop_one};
named_info_.push_back({arg.name, static_cast<int>(data_.size() - 2u)});
data_[0].value_.named_args = {named_info_.data(), named_info_.size()};
guard.release();
}
public:
/**
\rst
Adds an argument into the dynamic store for later passing to a formatting
function.
Note that custom types and string types (but not string views) are copied
into the store dynamically allocating memory if necessary.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(42);
store.push_back("abc");
store.push_back(1.5f);
std::string result = fmt::vformat("{} and {} and {}", store);
\endrst
*/
template <typename T> void push_back(const T& arg) {
if (detail::const_check(need_copy<T>::value))
emplace_arg(dynamic_args_.push<stored_type<T>>(arg));
else
emplace_arg(detail::unwrap(arg));
}
/**
\rst
Adds a reference to the argument into the dynamic store for later passing to
a formatting function.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
char band[] = "Rolling Stones";
store.push_back(std::cref(band));
band[9] = 'c'; // Changing str affects the output.
std::string result = fmt::vformat("{}", store);
// result == "Rolling Scones"
\endrst
*/
template <typename T> void push_back(std::reference_wrapper<T> arg) {
static_assert(
need_copy<T>::value,
"objects of built-in types and string views are always copied");
emplace_arg(arg.get());
}
/**
Adds named argument into the dynamic store for later passing to a formatting
function. ``std::reference_wrapper`` is supported to avoid copying of the
argument. The name is always copied into the store.
*/
template <typename T>
void push_back(const detail::named_arg<char_type, T>& arg) {
const char_type* arg_name =
dynamic_args_.push<std::basic_string<char_type>>(arg.name).c_str();
if (detail::const_check(need_copy<T>::value)) {
emplace_arg(
fmt::arg(arg_name, dynamic_args_.push<stored_type<T>>(arg.value)));
} else {
emplace_arg(fmt::arg(arg_name, arg.value));
}
}
/** Erase all elements from the store */
void clear() {
data_.clear();
named_info_.clear();
dynamic_args_ = detail::dynamic_arg_list();
}
/**
\rst
Reserves space to store at least *new_cap* arguments including
*new_cap_named* named arguments.
\endrst
*/
void reserve(size_t new_cap, size_t new_cap_named) {
FMT_ASSERT(new_cap >= new_cap_named,
"Set of arguments includes set of named arguments");
data_.reserve(new_cap);
named_info_.reserve(new_cap_named);
}
};
FMT_END_NAMESPACE
#endif // FMT_ARGS_H_
// Formatting library for C++ - dynamic format arguments
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_ARGS_H_
#define FMT_ARGS_H_
#include <functional> // std::reference_wrapper
#include <memory> // std::unique_ptr
#include <vector>
#include "core.h"
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T> struct is_reference_wrapper : std::false_type {};
template <typename T>
struct is_reference_wrapper<std::reference_wrapper<T>> : std::true_type {};
template <typename T> const T& unwrap(const T& v) { return v; }
template <typename T> const T& unwrap(const std::reference_wrapper<T>& v) {
return static_cast<const T&>(v);
}
class dynamic_arg_list {
// Workaround for clang's -Wweak-vtables. Unlike for regular classes, for
// templates it doesn't complain about inability to deduce single translation
// unit for placing vtable. So storage_node_base is made a fake template.
template <typename = void> struct node {
virtual ~node() = default;
std::unique_ptr<node<>> next;
};
template <typename T> struct typed_node : node<> {
T value;
template <typename Arg>
FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {}
template <typename Char>
FMT_CONSTEXPR typed_node(const basic_string_view<Char>& arg)
: value(arg.data(), arg.size()) {}
};
std::unique_ptr<node<>> head_;
public:
template <typename T, typename Arg> const T& push(const Arg& arg) {
auto new_node = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
auto& value = new_node->value;
new_node->next = std::move(head_);
head_ = std::move(new_node);
return value;
}
};
} // namespace detail
/**
\rst
A dynamic version of `fmt::format_arg_store`.
It's equipped with a storage to potentially temporary objects which lifetimes
could be shorter than the format arguments object.
It can be implicitly converted into `~fmt::basic_format_args` for passing
into type-erased formatting functions such as `~fmt::vformat`.
\endrst
*/
template <typename Context>
class dynamic_format_arg_store
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround a GCC template argument substitution bug.
: public basic_format_args<Context>
#endif
{
private:
using char_type = typename Context::char_type;
template <typename T> struct need_copy {
static constexpr detail::type mapped_type =
detail::mapped_type_constant<T, Context>::value;
enum {
value = !(detail::is_reference_wrapper<T>::value ||
std::is_same<T, basic_string_view<char_type>>::value ||
std::is_same<T, detail::std_string_view<char_type>>::value ||
(mapped_type != detail::type::cstring_type &&
mapped_type != detail::type::string_type &&
mapped_type != detail::type::custom_type))
};
};
template <typename T>
using stored_type = conditional_t<detail::is_string<T>::value &&
!has_formatter<T, Context>::value &&
!detail::is_reference_wrapper<T>::value,
std::basic_string<char_type>, T>;
// Storage of basic_format_arg must be contiguous.
std::vector<basic_format_arg<Context>> data_;
std::vector<detail::named_arg_info<char_type>> named_info_;
// Storage of arguments not fitting into basic_format_arg must grow
// without relocation because items in data_ refer to it.
detail::dynamic_arg_list dynamic_args_;
friend class basic_format_args<Context>;
unsigned long long get_types() const {
return detail::is_unpacked_bit | data_.size() |
(named_info_.empty()
? 0ULL
: static_cast<unsigned long long>(detail::has_named_args_bit));
}
const basic_format_arg<Context>* data() const {
return named_info_.empty() ? data_.data() : data_.data() + 1;
}
template <typename T> void emplace_arg(const T& arg) {
data_.emplace_back(detail::make_arg<Context>(arg));
}
template <typename T>
void emplace_arg(const detail::named_arg<char_type, T>& arg) {
if (named_info_.empty()) {
constexpr const detail::named_arg_info<char_type>* zero_ptr{nullptr};
data_.insert(data_.begin(), {zero_ptr, 0});
}
data_.emplace_back(detail::make_arg<Context>(detail::unwrap(arg.value)));
auto pop_one = [](std::vector<basic_format_arg<Context>>* data) {
data->pop_back();
};
std::unique_ptr<std::vector<basic_format_arg<Context>>, decltype(pop_one)>
guard{&data_, pop_one};
named_info_.push_back({arg.name, static_cast<int>(data_.size() - 2u)});
data_[0].value_.named_args = {named_info_.data(), named_info_.size()};
guard.release();
}
public:
/**
\rst
Adds an argument into the dynamic store for later passing to a formatting
function.
Note that custom types and string types (but not string views) are copied
into the store dynamically allocating memory if necessary.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(42);
store.push_back("abc");
store.push_back(1.5f);
std::string result = fmt::vformat("{} and {} and {}", store);
\endrst
*/
template <typename T> void push_back(const T& arg) {
if (detail::const_check(need_copy<T>::value))
emplace_arg(dynamic_args_.push<stored_type<T>>(arg));
else
emplace_arg(detail::unwrap(arg));
}
/**
\rst
Adds a reference to the argument into the dynamic store for later passing to
a formatting function.
**Example**::
fmt::dynamic_format_arg_store<fmt::format_context> store;
char band[] = "Rolling Stones";
store.push_back(std::cref(band));
band[9] = 'c'; // Changing str affects the output.
std::string result = fmt::vformat("{}", store);
// result == "Rolling Scones"
\endrst
*/
template <typename T> void push_back(std::reference_wrapper<T> arg) {
static_assert(
need_copy<T>::value,
"objects of built-in types and string views are always copied");
emplace_arg(arg.get());
}
/**
Adds named argument into the dynamic store for later passing to a formatting
function. ``std::reference_wrapper`` is supported to avoid copying of the
argument. The name is always copied into the store.
*/
template <typename T>
void push_back(const detail::named_arg<char_type, T>& arg) {
const char_type* arg_name =
dynamic_args_.push<std::basic_string<char_type>>(arg.name).c_str();
if (detail::const_check(need_copy<T>::value)) {
emplace_arg(
fmt::arg(arg_name, dynamic_args_.push<stored_type<T>>(arg.value)));
} else {
emplace_arg(fmt::arg(arg_name, arg.value));
}
}
/** Erase all elements from the store */
void clear() {
data_.clear();
named_info_.clear();
dynamic_args_ = detail::dynamic_arg_list();
}
/**
\rst
Reserves space to store at least *new_cap* arguments including
*new_cap_named* named arguments.
\endrst
*/
void reserve(size_t new_cap, size_t new_cap_named) {
FMT_ASSERT(new_cap >= new_cap_named,
"Set of arguments includes set of named arguments");
data_.reserve(new_cap);
named_info_.reserve(new_cap_named);
}
};
FMT_END_NAMESPACE
#endif // FMT_ARGS_H_
external/fmt/include/fmt/chrono.h
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external/fmt/include/fmt/color.h
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external/fmt/include/fmt/compile.h
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external/fmt/include/fmt/core.h
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external/fmt/include/fmt/format-inl.h
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external/fmt/include/fmt/format.h
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external/fmt/include/fmt/locale.h
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#include "xchar.h"
#warning fmt/locale.h is deprecated, include fmt/format.h or fmt/xchar.h instead
#include "xchar.h"
#warning fmt/locale.h is deprecated, include fmt/format.h or fmt/xchar.h instead
external/fmt/include/fmt/os.h
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external/fmt/include/fmt/ostream.h
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// Formatting library for C++ - std::ostream support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include <ostream>
#include "format.h"
FMT_BEGIN_NAMESPACE
template <typename Char> class basic_printf_parse_context;
template <typename OutputIt, typename Char> class basic_printf_context;
namespace detail {
template <class Char> class formatbuf : public std::basic_streambuf<Char> {
private:
using int_type = typename std::basic_streambuf<Char>::int_type;
using traits_type = typename std::basic_streambuf<Char>::traits_type;
buffer<Char>& buffer_;
public:
formatbuf(buffer<Char>& buf) : buffer_(buf) {}
protected:
// The put-area is actually always empty. This makes the implementation
// simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious
// disadvantage is that each call to sputc always results in a (virtual) call
// to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch));
return ch;
}
std::streamsize xsputn(const Char* s, std::streamsize count) FMT_OVERRIDE {
buffer_.append(s, s + count);
return count;
}
};
struct converter {
template <typename T, FMT_ENABLE_IF(is_integral<T>::value)> converter(T);
};
template <typename Char> struct test_stream : std::basic_ostream<Char> {
private:
void_t<> operator<<(converter);
};
// Hide insertion operators for built-in types.
template <typename Char, typename Traits>
void_t<> operator<<(std::basic_ostream<Char, Traits>&, Char);
template <typename Char, typename Traits>
void_t<> operator<<(std::basic_ostream<Char, Traits>&, char);
template <typename Traits>
void_t<> operator<<(std::basic_ostream<char, Traits>&, char);
template <typename Traits>
void_t<> operator<<(std::basic_ostream<char, Traits>&, signed char);
template <typename Traits>
void_t<> operator<<(std::basic_ostream<char, Traits>&, unsigned char);
// Checks if T has a user-defined operator<< (e.g. not a member of
// std::ostream).
template <typename T, typename Char> class is_streamable {
private:
template <typename U>
static bool_constant<!std::is_same<decltype(std::declval<test_stream<Char>&>()
<< std::declval<U>()),
void_t<>>::value>
test(int);
template <typename> static std::false_type test(...);
using result = decltype(test<T>(0));
public:
is_streamable() = default;
static const bool value = result::value;
};
// Write the content of buf to os.
template <typename Char>
void write_buffer(std::basic_ostream<Char>& os, buffer<Char>& buf) {
const Char* buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
do {
unsigned_streamsize n = size <= max_size ? size : max_size;
os.write(buf_data, static_cast<std::streamsize>(n));
buf_data += n;
size -= n;
} while (size != 0);
}
template <typename Char, typename T>
void format_value(buffer<Char>& buf, const T& value,
locale_ref loc = locale_ref()) {
formatbuf<Char> format_buf(buf);
std::basic_ostream<Char> output(&format_buf);
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
if (loc) output.imbue(loc.get<std::locale>());
#endif
output << value;
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
buf.try_resize(buf.size());
}
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
: private formatter<basic_string_view<Char>, Char> {
FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
return formatter<basic_string_view<Char>, Char>::parse(ctx);
}
template <typename ParseCtx,
FMT_ENABLE_IF(std::is_same<
ParseCtx, basic_printf_parse_context<Char>>::value)>
auto parse(ParseCtx& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename OutputIt>
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx)
-> OutputIt {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
template <typename OutputIt>
auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx)
-> OutputIt {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
return std::copy(buffer.begin(), buffer.end(), ctx.out());
}
};
} // namespace detail
FMT_MODULE_EXPORT
template <typename Char>
void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
detail::vformat_to(buffer, format_str, args);
detail::write_buffer(os, buffer);
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
FMT_MODULE_EXPORT
template <typename S, typename... Args,
typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
void print(std::basic_ostream<Char>& os, const S& format_str, Args&&... args) {
vprint(os, to_string_view(format_str),
fmt::make_args_checked<Args...>(format_str, args...));
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_
// Formatting library for C++ - std::ostream support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include <ostream>
#include "format.h"
FMT_BEGIN_NAMESPACE
template <typename Char> class basic_printf_parse_context;
template <typename OutputIt, typename Char> class basic_printf_context;
namespace detail {
template <class Char> class formatbuf : public std::basic_streambuf<Char> {
private:
using int_type = typename std::basic_streambuf<Char>::int_type;
using traits_type = typename std::basic_streambuf<Char>::traits_type;
buffer<Char>& buffer_;
public:
formatbuf(buffer<Char>& buf) : buffer_(buf) {}
protected:
// The put-area is actually always empty. This makes the implementation
// simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious
// disadvantage is that each call to sputc always results in a (virtual) call
// to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch));
return ch;
}
std::streamsize xsputn(const Char* s, std::streamsize count) FMT_OVERRIDE {
buffer_.append(s, s + count);
return count;
}
};
struct converter {
template <typename T, FMT_ENABLE_IF(is_integral<T>::value)> converter(T);
};
template <typename Char> struct test_stream : std::basic_ostream<Char> {
private:
void_t<> operator<<(converter);
};
// Hide insertion operators for built-in types.
template <typename Char, typename Traits>
void_t<> operator<<(std::basic_ostream<Char, Traits>&, Char);
template <typename Char, typename Traits>
void_t<> operator<<(std::basic_ostream<Char, Traits>&, char);
template <typename Traits>
void_t<> operator<<(std::basic_ostream<char, Traits>&, char);
template <typename Traits>
void_t<> operator<<(std::basic_ostream<char, Traits>&, signed char);
template <typename Traits>
void_t<> operator<<(std::basic_ostream<char, Traits>&, unsigned char);
// Checks if T has a user-defined operator<< (e.g. not a member of
// std::ostream).
template <typename T, typename Char> class is_streamable {
private:
template <typename U>
static bool_constant<!std::is_same<decltype(std::declval<test_stream<Char>&>()
<< std::declval<U>()),
void_t<>>::value>
test(int);
template <typename> static std::false_type test(...);
using result = decltype(test<T>(0));
public:
is_streamable() = default;
static const bool value = result::value;
};
// Write the content of buf to os.
template <typename Char>
void write_buffer(std::basic_ostream<Char>& os, buffer<Char>& buf) {
const Char* buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
do {
unsigned_streamsize n = size <= max_size ? size : max_size;
os.write(buf_data, static_cast<std::streamsize>(n));
buf_data += n;
size -= n;
} while (size != 0);
}
template <typename Char, typename T>
void format_value(buffer<Char>& buf, const T& value,
locale_ref loc = locale_ref()) {
formatbuf<Char> format_buf(buf);
std::basic_ostream<Char> output(&format_buf);
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
if (loc) output.imbue(loc.get<std::locale>());
#endif
output << value;
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
buf.try_resize(buf.size());
}
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
: private formatter<basic_string_view<Char>, Char> {
FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
return formatter<basic_string_view<Char>, Char>::parse(ctx);
}
template <typename ParseCtx,
FMT_ENABLE_IF(std::is_same<
ParseCtx, basic_printf_parse_context<Char>>::value)>
auto parse(ParseCtx& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename OutputIt>
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx)
-> OutputIt {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
template <typename OutputIt>
auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx)
-> OutputIt {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
return std::copy(buffer.begin(), buffer.end(), ctx.out());
}
};
} // namespace detail
FMT_MODULE_EXPORT
template <typename Char>
void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
basic_memory_buffer<Char> buffer;
detail::vformat_to(buffer, format_str, args);
detail::write_buffer(os, buffer);
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
FMT_MODULE_EXPORT
template <typename S, typename... Args,
typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
void print(std::basic_ostream<Char>& os, const S& format_str, Args&&... args) {
vprint(os, to_string_view(format_str),
fmt::make_args_checked<Args...>(format_str, args...));
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_
external/fmt/include/fmt/printf.h
Vendored
+708 -708
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external/fmt/include/fmt/ranges.h
Vendored
+463 -463
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@@ -1,463 +1,463 @@
// Formatting library for C++ - experimental range support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
//
// Copyright (c) 2018 - present, Remotion (Igor Schulz)
// All Rights Reserved
// {fmt} support for ranges, containers and types tuple interface.
#ifndef FMT_RANGES_H_
#define FMT_RANGES_H_
#include <initializer_list>
#include <type_traits>
#include "format.h"
FMT_BEGIN_NAMESPACE
template <typename Char> struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
#ifdef FMT_DEPRECATED_BRACED_RANGES
Char prefix = '{';
Char postfix = '}';
#else
Char prefix = '[';
Char postfix = ']';
#endif
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix = '(';
Char postfix = ')';
};
namespace detail {
template <typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT& range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
}
template <typename OutputIterator>
OutputIterator copy(const char* str, OutputIterator out) {
while (*str) *out++ = *str++;
return out;
}
template <typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out) {
*out++ = ch;
return out;
}
template <typename OutputIterator>
OutputIterator copy(wchar_t ch, OutputIterator out) {
*out++ = ch;
return out;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T> class is_std_string_like {
template <typename U>
static auto check(U* p)
-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
};
template <typename Char>
struct is_std_string_like<fmt::basic_string_view<Char>> : std::true_type {};
template <typename... Ts> struct conditional_helper {};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
# define FMT_DECLTYPE_RETURN(val) \
->decltype(val) { return val; } \
static_assert( \
true, "") // This makes it so that a semicolon is required after the
// macro, which helps clang-format handle the formatting.
// C array overload
template <typename T, std::size_t N>
auto range_begin(const T (&arr)[N]) -> const T* {
return arr;
}
template <typename T, std::size_t N>
auto range_end(const T (&arr)[N]) -> const T* {
return arr + N;
}
template <typename T, typename Enable = void>
struct has_member_fn_begin_end_t : std::false_type {};
template <typename T>
struct has_member_fn_begin_end_t<T, void_t<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>>
: std::true_type {};
// Member function overload
template <typename T>
auto range_begin(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).begin());
template <typename T>
auto range_end(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).end());
// ADL overload. Only participates in overload resolution if member functions
// are not found.
template <typename T>
auto range_begin(T&& rng)
-> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
decltype(begin(static_cast<T&&>(rng)))> {
return begin(static_cast<T&&>(rng));
}
template <typename T>
auto range_end(T&& rng) -> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
decltype(end(static_cast<T&&>(rng)))> {
return end(static_cast<T&&>(rng));
}
template <typename T, typename Enable = void>
struct has_const_begin_end : std::false_type {};
template <typename T, typename Enable = void>
struct has_mutable_begin_end : std::false_type {};
template <typename T>
struct has_const_begin_end<
T, void_t<decltype(detail::range_begin(
std::declval<const remove_cvref_t<T>&>())),
decltype(detail::range_begin(
std::declval<const remove_cvref_t<T>&>()))>>
: std::true_type {};
template <typename T>
struct has_mutable_begin_end<
T, void_t<decltype(detail::range_begin(std::declval<T>())),
decltype(detail::range_begin(std::declval<T>())),
enable_if_t<std::is_copy_constructible<T>::value>>>
: std::true_type {};
template <typename T>
struct is_range_<T, void>
: std::integral_constant<bool, (has_const_begin_end<T>::value ||
has_mutable_begin_end<T>::value)> {};
template <typename T, typename Enable = void> struct range_to_view;
template <typename T>
struct range_to_view<T, enable_if_t<has_const_begin_end<T>::value>> {
struct view_t {
const T* m_range_ptr;
auto begin() const FMT_DECLTYPE_RETURN(detail::range_begin(*m_range_ptr));
auto end() const FMT_DECLTYPE_RETURN(detail::range_end(*m_range_ptr));
};
static auto view(const T& range) -> view_t { return {&range}; }
};
template <typename T>
struct range_to_view<T, enable_if_t<!has_const_begin_end<T>::value &&
has_mutable_begin_end<T>::value>> {
struct view_t {
T m_range_copy;
auto begin() FMT_DECLTYPE_RETURN(detail::range_begin(m_range_copy));
auto end() FMT_DECLTYPE_RETURN(detail::range_end(m_range_copy));
};
static auto view(const T& range) -> view_t { return {range}; }
};
# undef FMT_DECLTYPE_RETURN
#endif
/// tuple_size and tuple_element check.
template <typename T> class is_tuple_like_ {
template <typename U>
static auto check(U* p) -> decltype(std::tuple_size<U>::value, int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(nullptr))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <size_t... N> using index_sequence = std::index_sequence<N...>;
template <size_t N> using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N> struct integer_sequence {
using value_type = T;
static FMT_CONSTEXPR size_t size() { return sizeof...(N); }
};
template <size_t... N> using index_sequence = integer_sequence<size_t, N...>;
template <typename T, size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template <size_t N>
using make_index_sequence = make_integer_sequence<size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
}
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template <typename Range>
using value_type =
remove_cvref_t<decltype(*detail::range_begin(std::declval<Range>()))>;
template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
*out++ = ',';
*out++ = ' ';
return out;
}
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(is_std_string_like<typename std::decay<Arg>::type>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
*out++ = '"';
out = write<Char>(out, v);
*out++ = '"';
return out;
}
template <typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg v) {
*out++ = '\'';
*out++ = v;
*out++ = '\'';
return out;
}
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(!is_std_string_like<typename std::decay<Arg>::type>::value &&
!std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
return write<Char>(out, v);
}
} // namespace detail
template <typename T> struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
detail::is_tuple_like_<T>::value && !detail::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
private:
// C++11 generic lambda for format()
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, v);
++i;
}
formatting_tuple<Char>& formatting;
size_t& i;
typename std::add_lvalue_reference<
decltype(std::declval<FormatContext>().out())>::type out;
};
public:
formatting_tuple<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext = format_context>
auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
size_t i = 0;
detail::copy(formatting.prefix, out);
detail::for_each(values, format_each<FormatContext>{formatting, i, out});
detail::copy(formatting.postfix, out);
return ctx.out();
}
};
template <typename T, typename Char> struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
detail::is_range_<T>::value && !detail::is_std_string_like<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value &&
!std::is_constructible<detail::std_string_view<Char>, T>::value;
};
template <typename T, typename Char>
struct formatter<
T, Char,
enable_if_t<
fmt::is_range<T, Char>::value
// Workaround a bug in MSVC 2017 and earlier.
#if !FMT_MSC_VER || FMT_MSC_VER >= 1927
&& (has_formatter<detail::value_type<T>, format_context>::value ||
detail::has_fallback_formatter<detail::value_type<T>, Char>::value)
#endif
>> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(const T& values, FormatContext& ctx) {
auto out = detail::copy(formatting.prefix, ctx.out());
size_t i = 0;
auto view = detail::range_to_view<T>::view(values);
auto it = view.begin();
auto end = view.end();
for (; it != end; ++it) {
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, *it);
++i;
}
return detail::copy(formatting.postfix, out);
}
};
template <typename Char, typename... T> struct tuple_arg_join : detail::view {
const std::tuple<T...>& tuple;
basic_string_view<Char> sep;
tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s)
: tuple(t), sep{s} {}
};
template <typename Char, typename... T>
struct formatter<tuple_arg_join<Char, T...>, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx) {
return format(value, ctx, detail::make_index_sequence<sizeof...(T)>{});
}
private:
template <typename FormatContext, size_t... N>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
detail::index_sequence<N...>) {
return format_args(value, ctx, std::get<N>(value.tuple)...);
}
template <typename FormatContext>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>&, FormatContext& ctx) {
// NOTE: for compilers that support C++17, this empty function instantiation
// can be replaced with a constexpr branch in the variadic overload.
return ctx.out();
}
template <typename FormatContext, typename Arg, typename... Args>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
const Arg& arg, const Args&... args) {
using base = formatter<typename std::decay<Arg>::type, Char>;
auto out = ctx.out();
out = base{}.format(arg, ctx);
if (sizeof...(Args) > 0) {
out = std::copy(value.sep.begin(), value.sep.end(), out);
ctx.advance_to(out);
return format_args(value, ctx, args...);
}
return out;
}
};
FMT_MODULE_EXPORT_BEGIN
/**
\rst
Returns an object that formats `tuple` with elements separated by `sep`.
**Example**::
std::tuple<int, char> t = {1, 'a'};
fmt::print("{}", fmt::join(t, ", "));
// Output: "1, a"
\endrst
*/
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...>& tuple,
string_view sep) {
return {tuple, sep};
}
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(
const std::tuple<T...>& tuple, basic_string_view<wchar_t> sep) {
return {tuple, sep};
}
/**
\rst
Returns an object that formats `initializer_list` with elements separated by
`sep`.
**Example**::
fmt::print("{}", fmt::join({1, 2, 3}, ", "));
// Output: "1, 2, 3"
\endrst
*/
template <typename T>
join_view<const T*, const T*> join(std::initializer_list<T> list,
string_view sep) {
return join(std::begin(list), std::end(list), sep);
}
FMT_MODULE_EXPORT_END
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_
// Formatting library for C++ - experimental range support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
//
// Copyright (c) 2018 - present, Remotion (Igor Schulz)
// All Rights Reserved
// {fmt} support for ranges, containers and types tuple interface.
#ifndef FMT_RANGES_H_
#define FMT_RANGES_H_
#include <initializer_list>
#include <type_traits>
#include "format.h"
FMT_BEGIN_NAMESPACE
template <typename Char> struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
#ifdef FMT_DEPRECATED_BRACED_RANGES
Char prefix = '{';
Char postfix = '}';
#else
Char prefix = '[';
Char postfix = ']';
#endif
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix = '(';
Char postfix = ')';
};
namespace detail {
template <typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT& range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
}
template <typename OutputIterator>
OutputIterator copy(const char* str, OutputIterator out) {
while (*str) *out++ = *str++;
return out;
}
template <typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out) {
*out++ = ch;
return out;
}
template <typename OutputIterator>
OutputIterator copy(wchar_t ch, OutputIterator out) {
*out++ = ch;
return out;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T> class is_std_string_like {
template <typename U>
static auto check(U* p)
-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
};
template <typename Char>
struct is_std_string_like<fmt::basic_string_view<Char>> : std::true_type {};
template <typename... Ts> struct conditional_helper {};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
# define FMT_DECLTYPE_RETURN(val) \
->decltype(val) { return val; } \
static_assert( \
true, "") // This makes it so that a semicolon is required after the
// macro, which helps clang-format handle the formatting.
// C array overload
template <typename T, std::size_t N>
auto range_begin(const T (&arr)[N]) -> const T* {
return arr;
}
template <typename T, std::size_t N>
auto range_end(const T (&arr)[N]) -> const T* {
return arr + N;
}
template <typename T, typename Enable = void>
struct has_member_fn_begin_end_t : std::false_type {};
template <typename T>
struct has_member_fn_begin_end_t<T, void_t<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>>
: std::true_type {};
// Member function overload
template <typename T>
auto range_begin(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).begin());
template <typename T>
auto range_end(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).end());
// ADL overload. Only participates in overload resolution if member functions
// are not found.
template <typename T>
auto range_begin(T&& rng)
-> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
decltype(begin(static_cast<T&&>(rng)))> {
return begin(static_cast<T&&>(rng));
}
template <typename T>
auto range_end(T&& rng) -> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
decltype(end(static_cast<T&&>(rng)))> {
return end(static_cast<T&&>(rng));
}
template <typename T, typename Enable = void>
struct has_const_begin_end : std::false_type {};
template <typename T, typename Enable = void>
struct has_mutable_begin_end : std::false_type {};
template <typename T>
struct has_const_begin_end<
T, void_t<decltype(detail::range_begin(
std::declval<const remove_cvref_t<T>&>())),
decltype(detail::range_begin(
std::declval<const remove_cvref_t<T>&>()))>>
: std::true_type {};
template <typename T>
struct has_mutable_begin_end<
T, void_t<decltype(detail::range_begin(std::declval<T>())),
decltype(detail::range_begin(std::declval<T>())),
enable_if_t<std::is_copy_constructible<T>::value>>>
: std::true_type {};
template <typename T>
struct is_range_<T, void>
: std::integral_constant<bool, (has_const_begin_end<T>::value ||
has_mutable_begin_end<T>::value)> {};
template <typename T, typename Enable = void> struct range_to_view;
template <typename T>
struct range_to_view<T, enable_if_t<has_const_begin_end<T>::value>> {
struct view_t {
const T* m_range_ptr;
auto begin() const FMT_DECLTYPE_RETURN(detail::range_begin(*m_range_ptr));
auto end() const FMT_DECLTYPE_RETURN(detail::range_end(*m_range_ptr));
};
static auto view(const T& range) -> view_t { return {&range}; }
};
template <typename T>
struct range_to_view<T, enable_if_t<!has_const_begin_end<T>::value &&
has_mutable_begin_end<T>::value>> {
struct view_t {
T m_range_copy;
auto begin() FMT_DECLTYPE_RETURN(detail::range_begin(m_range_copy));
auto end() FMT_DECLTYPE_RETURN(detail::range_end(m_range_copy));
};
static auto view(const T& range) -> view_t { return {range}; }
};
# undef FMT_DECLTYPE_RETURN
#endif
/// tuple_size and tuple_element check.
template <typename T> class is_tuple_like_ {
template <typename U>
static auto check(U* p) -> decltype(std::tuple_size<U>::value, int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(nullptr))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <size_t... N> using index_sequence = std::index_sequence<N...>;
template <size_t N> using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N> struct integer_sequence {
using value_type = T;
static FMT_CONSTEXPR size_t size() { return sizeof...(N); }
};
template <size_t... N> using index_sequence = integer_sequence<size_t, N...>;
template <typename T, size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template <size_t N>
using make_index_sequence = make_integer_sequence<size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
}
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template <typename Range>
using value_type =
remove_cvref_t<decltype(*detail::range_begin(std::declval<Range>()))>;
template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
*out++ = ',';
*out++ = ' ';
return out;
}
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(is_std_string_like<typename std::decay<Arg>::type>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
*out++ = '"';
out = write<Char>(out, v);
*out++ = '"';
return out;
}
template <typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg v) {
*out++ = '\'';
*out++ = v;
*out++ = '\'';
return out;
}
template <
typename Char, typename OutputIt, typename Arg,
FMT_ENABLE_IF(!is_std_string_like<typename std::decay<Arg>::type>::value &&
!std::is_same<Arg, Char>::value)>
OutputIt write_range_entry(OutputIt out, const Arg& v) {
return write<Char>(out, v);
}
} // namespace detail
template <typename T> struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
detail::is_tuple_like_<T>::value && !detail::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
private:
// C++11 generic lambda for format()
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, v);
++i;
}
formatting_tuple<Char>& formatting;
size_t& i;
typename std::add_lvalue_reference<
decltype(std::declval<FormatContext>().out())>::type out;
};
public:
formatting_tuple<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext = format_context>
auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
size_t i = 0;
detail::copy(formatting.prefix, out);
detail::for_each(values, format_each<FormatContext>{formatting, i, out});
detail::copy(formatting.postfix, out);
return ctx.out();
}
};
template <typename T, typename Char> struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
detail::is_range_<T>::value && !detail::is_std_string_like<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value &&
!std::is_constructible<detail::std_string_view<Char>, T>::value;
};
template <typename T, typename Char>
struct formatter<
T, Char,
enable_if_t<
fmt::is_range<T, Char>::value
// Workaround a bug in MSVC 2017 and earlier.
#if !FMT_MSC_VER || FMT_MSC_VER >= 1927
&& (has_formatter<detail::value_type<T>, format_context>::value ||
detail::has_fallback_formatter<detail::value_type<T>, Char>::value)
#endif
>> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(const T& values, FormatContext& ctx) {
auto out = detail::copy(formatting.prefix, ctx.out());
size_t i = 0;
auto view = detail::range_to_view<T>::view(values);
auto it = view.begin();
auto end = view.end();
for (; it != end; ++it) {
if (i > 0) out = detail::write_delimiter(out);
out = detail::write_range_entry<Char>(out, *it);
++i;
}
return detail::copy(formatting.postfix, out);
}
};
template <typename Char, typename... T> struct tuple_arg_join : detail::view {
const std::tuple<T...>& tuple;
basic_string_view<Char> sep;
tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s)
: tuple(t), sep{s} {}
};
template <typename Char, typename... T>
struct formatter<tuple_arg_join<Char, T...>, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx) {
return format(value, ctx, detail::make_index_sequence<sizeof...(T)>{});
}
private:
template <typename FormatContext, size_t... N>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
detail::index_sequence<N...>) {
return format_args(value, ctx, std::get<N>(value.tuple)...);
}
template <typename FormatContext>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>&, FormatContext& ctx) {
// NOTE: for compilers that support C++17, this empty function instantiation
// can be replaced with a constexpr branch in the variadic overload.
return ctx.out();
}
template <typename FormatContext, typename Arg, typename... Args>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
const Arg& arg, const Args&... args) {
using base = formatter<typename std::decay<Arg>::type, Char>;
auto out = ctx.out();
out = base{}.format(arg, ctx);
if (sizeof...(Args) > 0) {
out = std::copy(value.sep.begin(), value.sep.end(), out);
ctx.advance_to(out);
return format_args(value, ctx, args...);
}
return out;
}
};
FMT_MODULE_EXPORT_BEGIN
/**
\rst
Returns an object that formats `tuple` with elements separated by `sep`.
**Example**::
std::tuple<int, char> t = {1, 'a'};
fmt::print("{}", fmt::join(t, ", "));
// Output: "1, a"
\endrst
*/
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...>& tuple,
string_view sep) {
return {tuple, sep};
}
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(
const std::tuple<T...>& tuple, basic_string_view<wchar_t> sep) {
return {tuple, sep};
}
/**
\rst
Returns an object that formats `initializer_list` with elements separated by
`sep`.
**Example**::
fmt::print("{}", fmt::join({1, 2, 3}, ", "));
// Output: "1, 2, 3"
\endrst
*/
template <typename T>
join_view<const T*, const T*> join(std::initializer_list<T> list,
string_view sep) {
return join(std::begin(list), std::end(list), sep);
}
FMT_MODULE_EXPORT_END
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_
external/fmt/include/fmt/xchar.h
Vendored
+211 -211
View File
@@ -1,211 +1,211 @@
// Formatting library for C++ - optional wchar_t and exotic character support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_WCHAR_H_
#define FMT_WCHAR_H_
#include <cwchar>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T>
using is_exotic_char = bool_constant<!std::is_same<T, char>::value>;
}
FMT_MODULE_EXPORT_BEGIN
using wstring_view = basic_string_view<wchar_t>;
using wformat_parse_context = basic_format_parse_context<wchar_t>;
using wformat_context = buffer_context<wchar_t>;
using wformat_args = basic_format_args<wformat_context>;
using wmemory_buffer = basic_memory_buffer<wchar_t>;
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround broken conversion on older gcc.
template <typename... Args> using wformat_string = wstring_view;
#else
template <typename... Args>
using wformat_string = basic_format_string<wchar_t, type_identity_t<Args>...>;
#endif
template <typename... Args>
constexpr format_arg_store<wformat_context, Args...> make_wformat_args(
const Args&... args) {
return {args...};
}
inline namespace literals {
constexpr auto operator"" _format(const wchar_t* s, size_t n)
-> detail::udl_formatter<wchar_t> {
return {{s, n}};
}
#if FMT_USE_USER_DEFINED_LITERALS && !FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
constexpr detail::udl_arg<wchar_t> operator"" _a(const wchar_t* s, size_t) {
return {s};
}
#endif
} // namespace literals
template <typename It, typename Sentinel>
auto join(It begin, Sentinel end, wstring_view sep)
-> join_view<It, Sentinel, wchar_t> {
return {begin, end, sep};
}
template <typename Range>
auto join(Range&& range, wstring_view sep)
-> join_view<detail::iterator_t<Range>, detail::sentinel_t<Range>,
wchar_t> {
return join(std::begin(range), std::end(range), sep);
}
template <typename T>
auto join(std::initializer_list<T> list, wstring_view sep)
-> join_view<const T*, const T*, wchar_t> {
return join(std::begin(list), std::end(list), sep);
}
template <typename Locale, typename S, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline std::basic_string<Char> vformat(
const Locale& loc, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
return detail::vformat(loc, to_string_view(format_str), args);
}
template <typename Locale, typename S, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline std::basic_string<Char> format(const Locale& loc, const S& format_str,
Args&&... args) {
return detail::vformat(loc, to_string_view(format_str),
fmt::make_args_checked<Args...>(format_str, args...));
}
template <typename OutputIt, typename S, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
auto vformat_to(OutputIt out, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args)
-> OutputIt {
auto&& buf = detail::get_buffer<Char>(out);
detail::vformat_to(buf, to_string_view(format_str), args);
return detail::get_iterator(buf);
}
template <typename OutputIt, typename S, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format_to(OutputIt out, const S& fmt, Args&&... args) -> OutputIt {
const auto& vargs = fmt::make_args_checked<Args...>(fmt, args...);
return vformat_to(out, to_string_view(fmt), vargs);
}
template <typename S, typename... Args, typename Char, size_t SIZE,
typename Allocator, FMT_ENABLE_IF(detail::is_string<S>::value)>
FMT_DEPRECATED auto format_to(basic_memory_buffer<Char, SIZE, Allocator>& buf,
const S& format_str, Args&&... args) ->
typename buffer_context<Char>::iterator {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
detail::vformat_to(buf, to_string_view(format_str), vargs);
return detail::buffer_appender<Char>(buf);
}
template <typename Locale, typename S, typename OutputIt, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline OutputIt vformat_to(
OutputIt out, const Locale& loc, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
auto&& buf = detail::get_buffer<Char>(out);
vformat_to(buf, to_string_view(format_str), args, detail::locale_ref(loc));
return detail::get_iterator(buf);
}
template <
typename OutputIt, typename Locale, typename S, typename... Args,
typename Char = char_t<S>,
bool enable = detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_locale<Locale>::value&& detail::is_exotic_char<Char>::value>
inline auto format_to(OutputIt out, const Locale& loc, const S& format_str,
Args&&... args) ->
typename std::enable_if<enable, OutputIt>::type {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
return vformat_to(out, loc, to_string_view(format_str), vargs);
}
template <typename OutputIt, typename Char, typename... Args,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto vformat_to_n(
OutputIt out, size_t n, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args)
-> format_to_n_result<OutputIt> {
detail::iterator_buffer<OutputIt, Char, detail::fixed_buffer_traits> buf(out,
n);
detail::vformat_to(buf, format_str, args);
return {buf.out(), buf.count()};
}
template <typename OutputIt, typename S, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format_to_n(OutputIt out, size_t n, const S& fmt,
const Args&... args) -> format_to_n_result<OutputIt> {
const auto& vargs = fmt::make_args_checked<Args...>(fmt, args...);
return vformat_to_n(out, n, to_string_view(fmt), vargs);
}
template <typename S, typename... Args, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_exotic_char<Char>::value)>
inline auto formatted_size(const S& fmt, Args&&... args) -> size_t {
detail::counting_buffer<Char> buf;
const auto& vargs = fmt::make_args_checked<Args...>(fmt, args...);
detail::vformat_to(buf, to_string_view(fmt), vargs);
return buf.count();
}
inline void vprint(std::FILE* f, wstring_view fmt, wformat_args args) {
wmemory_buffer buffer;
detail::vformat_to(buffer, fmt, args);
buffer.push_back(L'\0');
if (std::fputws(buffer.data(), f) == -1)
FMT_THROW(system_error(errno, "cannot write to file"));
}
inline void vprint(wstring_view fmt, wformat_args args) {
vprint(stdout, fmt, args);
}
template <typename... T>
void print(std::FILE* f, wformat_string<T...> fmt, T&&... args) {
return vprint(f, wstring_view(fmt), make_wformat_args(args...));
}
template <typename... T> void print(wformat_string<T...> fmt, T&&... args) {
return vprint(wstring_view(fmt), make_wformat_args(args...));
}
/**
Converts *value* to ``std::wstring`` using the default format for type *T*.
*/
template <typename T> inline std::wstring to_wstring(const T& value) {
return format(FMT_STRING(L"{}"), value);
}
FMT_MODULE_EXPORT_END
FMT_END_NAMESPACE
#endif // FMT_WCHAR_H_
// Formatting library for C++ - optional wchar_t and exotic character support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_WCHAR_H_
#define FMT_WCHAR_H_
#include <cwchar>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace detail {
template <typename T>
using is_exotic_char = bool_constant<!std::is_same<T, char>::value>;
}
FMT_MODULE_EXPORT_BEGIN
using wstring_view = basic_string_view<wchar_t>;
using wformat_parse_context = basic_format_parse_context<wchar_t>;
using wformat_context = buffer_context<wchar_t>;
using wformat_args = basic_format_args<wformat_context>;
using wmemory_buffer = basic_memory_buffer<wchar_t>;
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
// Workaround broken conversion on older gcc.
template <typename... Args> using wformat_string = wstring_view;
#else
template <typename... Args>
using wformat_string = basic_format_string<wchar_t, type_identity_t<Args>...>;
#endif
template <typename... Args>
constexpr format_arg_store<wformat_context, Args...> make_wformat_args(
const Args&... args) {
return {args...};
}
inline namespace literals {
constexpr auto operator"" _format(const wchar_t* s, size_t n)
-> detail::udl_formatter<wchar_t> {
return {{s, n}};
}
#if FMT_USE_USER_DEFINED_LITERALS && !FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
constexpr detail::udl_arg<wchar_t> operator"" _a(const wchar_t* s, size_t) {
return {s};
}
#endif
} // namespace literals
template <typename It, typename Sentinel>
auto join(It begin, Sentinel end, wstring_view sep)
-> join_view<It, Sentinel, wchar_t> {
return {begin, end, sep};
}
template <typename Range>
auto join(Range&& range, wstring_view sep)
-> join_view<detail::iterator_t<Range>, detail::sentinel_t<Range>,
wchar_t> {
return join(std::begin(range), std::end(range), sep);
}
template <typename T>
auto join(std::initializer_list<T> list, wstring_view sep)
-> join_view<const T*, const T*, wchar_t> {
return join(std::begin(list), std::end(list), sep);
}
template <typename Locale, typename S, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline std::basic_string<Char> vformat(
const Locale& loc, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
return detail::vformat(loc, to_string_view(format_str), args);
}
template <typename Locale, typename S, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline std::basic_string<Char> format(const Locale& loc, const S& format_str,
Args&&... args) {
return detail::vformat(loc, to_string_view(format_str),
fmt::make_args_checked<Args...>(format_str, args...));
}
template <typename OutputIt, typename S, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
auto vformat_to(OutputIt out, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args)
-> OutputIt {
auto&& buf = detail::get_buffer<Char>(out);
detail::vformat_to(buf, to_string_view(format_str), args);
return detail::get_iterator(buf);
}
template <typename OutputIt, typename S, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format_to(OutputIt out, const S& fmt, Args&&... args) -> OutputIt {
const auto& vargs = fmt::make_args_checked<Args...>(fmt, args...);
return vformat_to(out, to_string_view(fmt), vargs);
}
template <typename S, typename... Args, typename Char, size_t SIZE,
typename Allocator, FMT_ENABLE_IF(detail::is_string<S>::value)>
FMT_DEPRECATED auto format_to(basic_memory_buffer<Char, SIZE, Allocator>& buf,
const S& format_str, Args&&... args) ->
typename buffer_context<Char>::iterator {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
detail::vformat_to(buf, to_string_view(format_str), vargs);
return detail::buffer_appender<Char>(buf);
}
template <typename Locale, typename S, typename OutputIt, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_locale<Locale>::value&&
detail::is_exotic_char<Char>::value)>
inline OutputIt vformat_to(
OutputIt out, const Locale& loc, const S& format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
auto&& buf = detail::get_buffer<Char>(out);
vformat_to(buf, to_string_view(format_str), args, detail::locale_ref(loc));
return detail::get_iterator(buf);
}
template <
typename OutputIt, typename Locale, typename S, typename... Args,
typename Char = char_t<S>,
bool enable = detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_locale<Locale>::value&& detail::is_exotic_char<Char>::value>
inline auto format_to(OutputIt out, const Locale& loc, const S& format_str,
Args&&... args) ->
typename std::enable_if<enable, OutputIt>::type {
const auto& vargs = fmt::make_args_checked<Args...>(format_str, args...);
return vformat_to(out, loc, to_string_view(format_str), vargs);
}
template <typename OutputIt, typename Char, typename... Args,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto vformat_to_n(
OutputIt out, size_t n, basic_string_view<Char> format_str,
basic_format_args<buffer_context<type_identity_t<Char>>> args)
-> format_to_n_result<OutputIt> {
detail::iterator_buffer<OutputIt, Char, detail::fixed_buffer_traits> buf(out,
n);
detail::vformat_to(buf, format_str, args);
return {buf.out(), buf.count()};
}
template <typename OutputIt, typename S, typename... Args,
typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
detail::is_exotic_char<Char>::value)>
inline auto format_to_n(OutputIt out, size_t n, const S& fmt,
const Args&... args) -> format_to_n_result<OutputIt> {
const auto& vargs = fmt::make_args_checked<Args...>(fmt, args...);
return vformat_to_n(out, n, to_string_view(fmt), vargs);
}
template <typename S, typename... Args, typename Char = char_t<S>,
FMT_ENABLE_IF(detail::is_exotic_char<Char>::value)>
inline auto formatted_size(const S& fmt, Args&&... args) -> size_t {
detail::counting_buffer<Char> buf;
const auto& vargs = fmt::make_args_checked<Args...>(fmt, args...);
detail::vformat_to(buf, to_string_view(fmt), vargs);
return buf.count();
}
inline void vprint(std::FILE* f, wstring_view fmt, wformat_args args) {
wmemory_buffer buffer;
detail::vformat_to(buffer, fmt, args);
buffer.push_back(L'\0');
if (std::fputws(buffer.data(), f) == -1)
FMT_THROW(system_error(errno, "cannot write to file"));
}
inline void vprint(wstring_view fmt, wformat_args args) {
vprint(stdout, fmt, args);
}
template <typename... T>
void print(std::FILE* f, wformat_string<T...> fmt, T&&... args) {
return vprint(f, wstring_view(fmt), make_wformat_args(args...));
}
template <typename... T> void print(wformat_string<T...> fmt, T&&... args) {
return vprint(wstring_view(fmt), make_wformat_args(args...));
}
/**
Converts *value* to ``std::wstring`` using the default format for type *T*.
*/
template <typename T> inline std::wstring to_wstring(const T& value) {
return format(FMT_STRING(L"{}"), value);
}
FMT_MODULE_EXPORT_END
FMT_END_NAMESPACE
#endif // FMT_WCHAR_H_