Commit f4771be7 authored by gabime's avatar gabime

Upgraded to fmt 5.1.0

parent 887326e7
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// Formatting library for C++
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#include "fmt/format-inl.h"
namespace fmt {
template struct internal::basic_data<void>;
// Explicit instantiations for char.
template FMT_API char internal::thousands_sep(locale_provider *lp);
template void basic_fixed_buffer<char>::grow(std::size_t);
template void internal::arg_map<format_context>::init(
const basic_format_args<format_context> &args);
template FMT_API int internal::char_traits<char>::format_float(
char *buffer, std::size_t size, const char *format,
unsigned width, int precision, double value);
template FMT_API int internal::char_traits<char>::format_float(
char *buffer, std::size_t size, const char *format,
unsigned width, int precision, long double value);
// Explicit instantiations for wchar_t.
template FMT_API wchar_t internal::thousands_sep(locale_provider *lp);
template void basic_fixed_buffer<wchar_t>::grow(std::size_t);
template void internal::arg_map<wformat_context>::init(const wformat_args &args);
template FMT_API int internal::char_traits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format,
unsigned width, int precision, double value);
template FMT_API int internal::char_traits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format,
unsigned width, int precision, long double value);
} // namespace fmt
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...@@ -14,22 +14,18 @@ ...@@ -14,22 +14,18 @@
FMT_BEGIN_NAMESPACE FMT_BEGIN_NAMESPACE
namespace internal { namespace internal {
template<class Char> template <class Char>
class formatbuf : public std::basic_streambuf<Char> class formatbuf : public std::basic_streambuf<Char> {
{ private:
private:
typedef typename std::basic_streambuf<Char>::int_type int_type; typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type; typedef typename std::basic_streambuf<Char>::traits_type traits_type;
basic_buffer<Char> &buffer_; basic_buffer<Char> &buffer_;
public: public:
formatbuf(basic_buffer<Char> &buffer) formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
: buffer_(buffer)
{
}
protected: protected:
// The put-area is actually always empty. This makes the implementation // The put-area is actually always empty. This makes the implementation
// simpler and has the advantage that the streambuf and the buffer are always // simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious // in sync and sputc never writes into uninitialized memory. The obvious
...@@ -37,43 +33,41 @@ protected: ...@@ -37,43 +33,41 @@ protected:
// to overflow. There is no disadvantage here for sputn since this always // to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn. // results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
{
if (!traits_type::eq_int_type(ch, traits_type::eof())) if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch)); buffer_.push_back(static_cast<Char>(ch));
return ch; return ch;
} }
std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE {
{
buffer_.append(s, s + count); buffer_.append(s, s + count);
return count; return count;
} }
}; };
template<typename Char> template <typename Char>
struct test_stream : std::basic_ostream<Char> struct test_stream : std::basic_ostream<Char> {
{ private:
private:
struct null; struct null;
// Hide all operator<< from std::basic_ostream<Char>. // Hide all operator<< from std::basic_ostream<Char>.
void operator<<(null); void operator<<(null);
}; };
// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream). // Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
template<typename T, typename Char> template <typename T, typename Char>
class is_streamable class is_streamable {
{ private:
private: template <typename U>
template<typename U> static decltype(
static decltype(internal::declval<test_stream<Char> &>() << internal::declval<U>(), std::true_type()) test(int); internal::declval<test_stream<Char>&>()
<< internal::declval<U>(), std::true_type()) test(int);
template<typename>
template <typename>
static std::false_type test(...); static std::false_type test(...);
typedef decltype(test<T>(0)) result; typedef decltype(test<T>(0)) result;
public: public:
// std::string operator<< is not considered user-defined because we handle strings // std::string operator<< is not considered user-defined because we handle strings
// specially. // specially.
static const bool value = result::value && !std::is_same<T, std::string>::value; static const bool value = result::value && !std::is_same<T, std::string>::value;
...@@ -81,23 +75,22 @@ public: ...@@ -81,23 +75,22 @@ public:
// Disable conversion to int if T has an overloaded operator<< which is a free // Disable conversion to int if T has an overloaded operator<< which is a free
// function (not a member of std::ostream). // function (not a member of std::ostream).
template<typename T, typename Char> template <typename T, typename Char>
class convert_to_int<T, Char, true> class convert_to_int<T, Char, true> {
{ public:
public: static const bool value =
static const bool value = convert_to_int<T, Char, false>::value && !is_streamable<T, Char>::value; convert_to_int<T, Char, false>::value && !is_streamable<T, Char>::value;
}; };
// Write the content of buf to os. // Write the content of buf to os.
template<typename Char> template <typename Char>
void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
{
const Char *data = buf.data(); const Char *data = buf.data();
typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize; typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
UnsignedStreamSize size = buf.size(); UnsignedStreamSize size = buf.size();
UnsignedStreamSize max_size = internal::to_unsigned((std::numeric_limits<std::streamsize>::max)()); UnsignedStreamSize max_size =
do internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
{ do {
UnsignedStreamSize n = size <= max_size ? size : max_size; UnsignedStreamSize n = size <= max_size ? size : max_size;
os.write(data, static_cast<std::streamsize>(n)); os.write(data, static_cast<std::streamsize>(n));
data += n; data += n;
...@@ -105,9 +98,8 @@ void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) ...@@ -105,9 +98,8 @@ void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf)
} while (size != 0); } while (size != 0);
} }
template<typename Char, typename T> template <typename Char, typename T>
void format_value(basic_buffer<Char> &buffer, const T &value) void format_value(basic_buffer<Char> &buffer, const T &value) {
{
internal::formatbuf<Char> format_buf(buffer); internal::formatbuf<Char> format_buf(buffer);
std::basic_ostream<Char> output(&format_buf); std::basic_ostream<Char> output(&format_buf);
output.exceptions(std::ios_base::failbit | std::ios_base::badbit); output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
...@@ -116,20 +108,19 @@ void format_value(basic_buffer<Char> &buffer, const T &value) ...@@ -116,20 +108,19 @@ void format_value(basic_buffer<Char> &buffer, const T &value)
} }
// Disable builtin formatting of enums and use operator<< instead. // Disable builtin formatting of enums and use operator<< instead.
template<typename T> template <typename T>
struct format_enum<T, typename std::enable_if<std::is_enum<T>::value>::type> : std::false_type struct format_enum<T,
{ typename std::enable_if<std::is_enum<T>::value>::type> : std::false_type {};
};
} // namespace internal } // namespace internal
// Formats an object of type T that has an overloaded ostream operator<<. // Formats an object of type T that has an overloaded ostream operator<<.
template<typename T, typename Char> template <typename T, typename Char>
struct formatter<T, Char, typename std::enable_if<internal::is_streamable<T, Char>::value>::type> : formatter<basic_string_view<Char>, Char> struct formatter<T, Char,
{ typename std::enable_if<internal::is_streamable<T, Char>::value>::type>
: formatter<basic_string_view<Char>, Char> {
template<typename Context> template <typename Context>
auto format(const T &value, Context &ctx) -> decltype(ctx.out()) auto format(const T &value, Context &ctx) -> decltype(ctx.out()) {
{
basic_memory_buffer<Char> buffer; basic_memory_buffer<Char> buffer;
internal::format_value(buffer, value); internal::format_value(buffer, value);
basic_string_view<Char> str(buffer.data(), buffer.size()); basic_string_view<Char> str(buffer.data(), buffer.size());
...@@ -138,10 +129,10 @@ struct formatter<T, Char, typename std::enable_if<internal::is_streamable<T, Cha ...@@ -138,10 +129,10 @@ struct formatter<T, Char, typename std::enable_if<internal::is_streamable<T, Cha
} }
}; };
template<typename Char> template <typename Char>
inline void vprint( inline void vprint(std::basic_ostream<Char> &os,
std::basic_ostream<Char> &os, basic_string_view<Char> format_str, basic_format_args<typename buffer_context<Char>::type> args) basic_string_view<Char> format_str,
{ basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer; basic_memory_buffer<Char> buffer;
vformat_to(buffer, format_str, args); vformat_to(buffer, format_str, args);
internal::write(os, buffer); internal::write(os, buffer);
...@@ -155,15 +146,15 @@ inline void vprint( ...@@ -155,15 +146,15 @@ inline void vprint(
fmt::print(cerr, "Don't {}!", "panic"); fmt::print(cerr, "Don't {}!", "panic");
\endrst \endrst
*/ */
template<typename... Args> template <typename... Args>
inline void print(std::ostream &os, string_view format_str, const Args &... args) inline void print(std::ostream &os, string_view format_str,
{ const Args & ... args) {
vprint<char>(os, format_str, make_format_args<format_context>(args...)); vprint<char>(os, format_str, make_format_args<format_context>(args...));
} }
template<typename... Args> template <typename... Args>
inline void print(std::wostream &os, wstring_view format_str, const Args &... args) inline void print(std::wostream &os, wstring_view format_str,
{ const Args & ... args) {
vprint<wchar_t>(os, format_str, make_format_args<wformat_context>(args...)); vprint<wchar_t>(os, format_str, make_format_args<wformat_context>(args...));
} }
FMT_END_NAMESPACE FMT_END_NAMESPACE
......
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...@@ -13,66 +13,39 @@ ...@@ -13,66 +13,39 @@
FMT_BEGIN_NAMESPACE FMT_BEGIN_NAMESPACE
namespace internal { namespace internal{
inline null<> localtime_r(...) inline null<> localtime_r(...) { return null<>(); }
{ inline null<> localtime_s(...) { return null<>(); }
return null<>(); inline null<> gmtime_r(...) { return null<>(); }
} inline null<> gmtime_s(...) { return null<>(); }
inline null<> localtime_s(...)
{
return null<>();
}
inline null<> gmtime_r(...)
{
return null<>();
}
inline null<> gmtime_s(...)
{
return null<>();
} }
} // namespace internal
// Thread-safe replacement for std::localtime // Thread-safe replacement for std::localtime
inline std::tm localtime(std::time_t time) inline std::tm localtime(std::time_t time) {
{ struct dispatcher {
struct dispatcher
{
std::time_t time_; std::time_t time_;
std::tm tm_; std::tm tm_;
dispatcher(std::time_t t) dispatcher(std::time_t t): time_(t) {}
: time_(t)
{
}
bool run() bool run() {
{
using namespace fmt::internal; using namespace fmt::internal;
return handle(localtime_r(&time_, &tm_)); return handle(localtime_r(&time_, &tm_));
} }
bool handle(std::tm *tm) bool handle(std::tm *tm) { return tm != FMT_NULL; }
{
return tm != FMT_NULL;
}
bool handle(internal::null<>) bool handle(internal::null<>) {
{
using namespace fmt::internal; using namespace fmt::internal;
return fallback(localtime_s(&tm_, &time_)); return fallback(localtime_s(&tm_, &time_));
} }
bool fallback(int res) bool fallback(int res) { return res == 0; }
{
return res == 0;
}
bool fallback(internal::null<>) bool fallback(internal::null<>) {
{
using namespace fmt::internal; using namespace fmt::internal;
std::tm *tm = std::localtime(&time_); std::tm *tm = std::localtime(&time_);
if (tm) if (tm) tm_ = *tm;
tm_ = *tm;
return tm != FMT_NULL; return tm != FMT_NULL;
} }
}; };
...@@ -84,45 +57,30 @@ inline std::tm localtime(std::time_t time) ...@@ -84,45 +57,30 @@ inline std::tm localtime(std::time_t time)
} }
// Thread-safe replacement for std::gmtime // Thread-safe replacement for std::gmtime
inline std::tm gmtime(std::time_t time) inline std::tm gmtime(std::time_t time) {
{ struct dispatcher {
struct dispatcher
{
std::time_t time_; std::time_t time_;
std::tm tm_; std::tm tm_;
dispatcher(std::time_t t) dispatcher(std::time_t t): time_(t) {}
: time_(t)
{
}
bool run() bool run() {
{
using namespace fmt::internal; using namespace fmt::internal;
return handle(gmtime_r(&time_, &tm_)); return handle(gmtime_r(&time_, &tm_));
} }
bool handle(std::tm *tm) bool handle(std::tm *tm) { return tm != FMT_NULL; }
{
return tm != FMT_NULL;
}
bool handle(internal::null<>) bool handle(internal::null<>) {
{
using namespace fmt::internal; using namespace fmt::internal;
return fallback(gmtime_s(&tm_, &time_)); return fallback(gmtime_s(&tm_, &time_));
} }
bool fallback(int res) bool fallback(int res) { return res == 0; }
{
return res == 0;
}
bool fallback(internal::null<>) bool fallback(internal::null<>) {
{
std::tm *tm = std::gmtime(&time_); std::tm *tm = std::gmtime(&time_);
if (tm) if (tm) tm_ = *tm;
tm_ = *tm;
return tm != FMT_NULL; return tm != FMT_NULL;
} }
}; };
...@@ -134,23 +92,21 @@ inline std::tm gmtime(std::time_t time) ...@@ -134,23 +92,21 @@ inline std::tm gmtime(std::time_t time)
} }
namespace internal { namespace internal {
inline std::size_t strftime(char *str, std::size_t count, const char *format, const std::tm *time) inline std::size_t strftime(char *str, std::size_t count, const char *format,
{ const std::tm *time) {
return std::strftime(str, count, format, time); return std::strftime(str, count, format, time);
} }
inline std::size_t strftime(wchar_t *str, std::size_t count, const wchar_t *format, const std::tm *time) inline std::size_t strftime(wchar_t *str, std::size_t count,
{ const wchar_t *format, const std::tm *time) {
return std::wcsftime(str, count, format, time); return std::wcsftime(str, count, format, time);
} }
} // namespace internal }
template<typename Char> template <typename Char>
struct formatter<std::tm, Char> struct formatter<std::tm, Char> {
{ template <typename ParseContext>
template<typename ParseContext> auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
auto it = internal::null_terminating_iterator<Char>(ctx); auto it = internal::null_terminating_iterator<Char>(ctx);
if (*it == ':') if (*it == ':')
++it; ++it;
...@@ -164,22 +120,19 @@ struct formatter<std::tm, Char> ...@@ -164,22 +120,19 @@ struct formatter<std::tm, Char>
return pointer_from(end); return pointer_from(end);
} }
template<typename FormatContext> template <typename FormatContext>
auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) auto format(const std::tm &tm, FormatContext &ctx) -> decltype(ctx.out()) {
{
internal::basic_buffer<Char> &buf = internal::get_container(ctx.out()); internal::basic_buffer<Char> &buf = internal::get_container(ctx.out());
std::size_t start = buf.size(); std::size_t start = buf.size();
for (;;) for (;;) {
{
std::size_t size = buf.capacity() - start; std::size_t size = buf.capacity() - start;
std::size_t count = internal::strftime(&buf[start], size, &tm_format[0], &tm); std::size_t count =
if (count != 0) internal::strftime(&buf[start], size, &tm_format[0], &tm);
{ if (count != 0) {
buf.resize(start + count); buf.resize(start + count);
break; break;
} }
if (size >= tm_format.size() * 256) if (size >= tm_format.size() * 256) {
{
// If the buffer is 256 times larger than the format string, assume // If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a // that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases: // better way to distinguish the two cases:
......
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