Upgraded to fmt 5.1.0

This commit is contained in:
gabime 2018-07-08 11:03:43 +03:00
parent 887326e715
commit f4771be70e
9 changed files with 5382 additions and 6436 deletions

File diff suppressed because it is too large Load Diff

View File

@ -56,12 +56,10 @@
// Dummy implementations of strerror_r and strerror_s called if corresponding
// system functions are not available.
inline fmt::internal::null<> strerror_r(int, char *, ...)
{
inline fmt::internal::null<> strerror_r(int, char *, ...) {
return fmt::internal::null<>();
}
inline fmt::internal::null<> strerror_s(char *, std::size_t, ...)
{
inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) {
return fmt::internal::null<>();
}
@ -72,8 +70,7 @@ namespace {
#ifndef _MSC_VER
# define FMT_SNPRINTF snprintf
#else // _MSC_VER
inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...)
{
inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
va_list args;
va_start(args, format);
int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
@ -89,9 +86,6 @@ inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...)
# define FMT_SWPRINTF swprintf
#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
const char RESET_COLOR[] = "\x1b[0m";
const wchar_t WRESET_COLOR[] = L"\x1b[0m";
typedef void (*FormatFunc)(internal::buffer &, int, string_view);
// Portable thread-safe version of strerror.
@ -103,12 +97,11 @@ typedef void (*FormatFunc)(internal::buffer &, int, string_view);
// ERANGE - buffer is not large enough to store the error message
// other - failure
// Buffer should be at least of size 1.
int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT
{
int safe_strerror(
int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT {
FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer");
class dispatcher
{
class dispatcher {
private:
int error_code_;
char *&buffer_;
@ -118,15 +111,13 @@ int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NO
void operator=(const dispatcher &) {}
// Handle the result of XSI-compliant version of strerror_r.
int handle(int result)
{
int handle(int result) {
// glibc versions before 2.13 return result in errno.
return result == -1 ? errno : result;
}
// Handle the result of GNU-specific version of strerror_r.
int handle(char *message)
{
int handle(char *message) {
// If the buffer is full then the message is probably truncated.
if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
return ERANGE;
@ -135,21 +126,19 @@ int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NO
}
// Handle the case when strerror_r is not available.
int handle(internal::null<>)
{
int handle(internal::null<>) {
return fallback(strerror_s(buffer_, buffer_size_, error_code_));
}
// Fallback to strerror_s when strerror_r is not available.
int fallback(int result)
{
int fallback(int result) {
// If the buffer is full then the message is probably truncated.
return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? ERANGE : result;
return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
ERANGE : result;
}
// Fallback to strerror if strerror_r and strerror_s are not available.
int fallback(internal::null<>)
{
int fallback(internal::null<>) {
errno = 0;
buffer_ = strerror(error_code_);
return errno;
@ -157,22 +146,17 @@ int safe_strerror(int error_code, char *&buffer, std::size_t buffer_size) FMT_NO
public:
dispatcher(int err_code, char *&buf, std::size_t buf_size)
: error_code_(err_code)
, buffer_(buf)
, buffer_size_(buf_size)
{
}
: error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
int run()
{
int run() {
return handle(strerror_r(error_code_, buffer_, buffer_size_));
}
};
return dispatcher(error_code, buffer, buffer_size).run();
}
void format_error_code(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT
{
void format_error_code(internal::buffer &out, int error_code,
string_view message) FMT_NOEXCEPT {
// Report error code making sure that the output fits into
// inline_buffer_size to avoid dynamic memory allocation and potential
// bad_alloc.
@ -183,15 +167,13 @@ void format_error_code(internal::buffer &out, int error_code, string_view messag
std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
typedef internal::int_traits<int>::main_type main_type;
main_type abs_value = static_cast<main_type>(error_code);
if (internal::is_negative(error_code))
{
if (internal::is_negative(error_code)) {
abs_value = 0 - abs_value;
++error_code_size;
}
error_code_size += internal::count_digits(abs_value);
writer w(out);
if (message.size() <= inline_buffer_size - error_code_size)
{
if (message.size() <= inline_buffer_size - error_code_size) {
w.write(message);
w.write(SEP);
}
@ -200,8 +182,8 @@ void format_error_code(internal::buffer &out, int error_code, string_view messag
assert(out.size() <= inline_buffer_size);
}
void report_error(FormatFunc func, int error_code, string_view message) FMT_NOEXCEPT
{
void report_error(FormatFunc func, int error_code,
string_view message) FMT_NOEXCEPT {
memory_buffer full_message;
func(full_message, error_code, message);
// Use Writer::data instead of Writer::c_str to avoid potential memory
@ -211,31 +193,23 @@ void report_error(FormatFunc func, int error_code, string_view message) FMT_NOEX
}
} // namespace
class locale
{
class locale {
private:
std::locale locale_;
public:
explicit locale(std::locale loc = std::locale())
: locale_(loc)
{
}
std::locale get()
{
return locale_;
}
explicit locale(std::locale loc = std::locale()) : locale_(loc) {}
std::locale get() { return locale_; }
};
template <typename Char>
FMT_FUNC Char internal::thousands_sep(locale_provider *lp)
{
FMT_FUNC Char internal::thousands_sep(locale_provider *lp) {
std::locale loc = lp ? lp->locale().get() : std::locale();
return std::use_facet<std::numpunct<Char>>(loc).thousands_sep();
}
FMT_FUNC void system_error::init(int err_code, string_view format_str, format_args args)
{
FMT_FUNC void system_error::init(
int err_code, string_view format_str, format_args args) {
error_code_ = err_code;
memory_buffer buffer;
format_system_error(buffer, err_code, vformat(format_str, args));
@ -245,63 +219,100 @@ FMT_FUNC void system_error::init(int err_code, string_view format_str, format_ar
namespace internal {
template <typename T>
int char_traits<char>::format_float(char *buffer, std::size_t size, const char *format, int precision, T value)
{
return precision < 0 ? FMT_SNPRINTF(buffer, size, format, value) : FMT_SNPRINTF(buffer, size, format, precision, value);
int char_traits<char>::format_float(
char *buffer, std::size_t size, const char *format, int precision, T value) {
return precision < 0 ?
FMT_SNPRINTF(buffer, size, format, value) :
FMT_SNPRINTF(buffer, size, format, precision, value);
}
template <typename T>
int char_traits<wchar_t>::format_float(wchar_t *buffer, std::size_t size, const wchar_t *format, int precision, T value)
{
return precision < 0 ? FMT_SWPRINTF(buffer, size, format, value) : FMT_SWPRINTF(buffer, size, format, precision, value);
int char_traits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format, int precision,
T value) {
return precision < 0 ?
FMT_SWPRINTF(buffer, size, format, value) :
FMT_SWPRINTF(buffer, size, format, precision, value);
}
template <typename T>
const char basic_data<T>::DIGITS[] = "0001020304050607080910111213141516171819"
const char basic_data<T>::DIGITS[] =
"0001020304050607080910111213141516171819"
"2021222324252627282930313233343536373839"
"4041424344454647484950515253545556575859"
"6061626364656667686970717273747576777879"
"8081828384858687888990919293949596979899";
#define FMT_POWERS_OF_10(factor) \
factor * 10, factor * 100, factor * 1000, factor * 10000, factor * 100000, factor * 1000000, factor * 10000000, factor * 100000000, \
factor * 10, \
factor * 100, \
factor * 1000, \
factor * 10000, \
factor * 100000, \
factor * 1000000, \
factor * 10000000, \
factor * 100000000, \
factor * 1000000000
template <typename T>
const uint32_t basic_data<T>::POWERS_OF_10_32[] = {0, FMT_POWERS_OF_10(1)};
const uint32_t basic_data<T>::POWERS_OF_10_32[] = {
0, FMT_POWERS_OF_10(1)
};
template <typename T>
const uint64_t basic_data<T>::POWERS_OF_10_64[] = {0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ull), 10000000000000000000ull};
const uint64_t basic_data<T>::POWERS_OF_10_64[] = {
0,
FMT_POWERS_OF_10(1),
FMT_POWERS_OF_10(1000000000ull),
10000000000000000000ull
};
// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340.
// These are generated by support/compute-powers.py.
template <typename T>
const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, 0xcf42894a5dce35ea,
0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, 0x8dd01fad907ffc3c,
0xd3515c2831559a83, 0x9d71ac8fada6c9b5, 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, 0xc21094364dfb5637,
0x9096ea6f3848984f, 0xd77485cb25823ac7, 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, 0x84c8d4dfd2c63f3b,
0xc5dd44271ad3cdba, 0x936b9fcebb25c996, 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, 0xb5b5ada8aaff80b8,
0x87625f056c7c4a8b, 0xc9bcff6034c13053, 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, 0xf8a95fcf88747d94,
0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, 0xaa242499697392d3,
0xfd87b5f28300ca0e, 0xbce5086492111aeb, 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, 0xe8d4a51000000000,
0xad78ebc5ac620000, 0x813f3978f8940984, 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, 0x9f4f2726179a2245,
0xed63a231d4c4fb27, 0xb0de65388cc8ada8, 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, 0xda01ee641a708dea,
0xa26da3999aef774a, 0xf209787bb47d6b85, 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, 0x952ab45cfa97a0b3,
0xde469fbd99a05fe3, 0xa59bc234db398c25, 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, 0xcc20ce9bd35c78a5,
0x98165af37b2153df, 0xe2a0b5dc971f303a, 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, 0x8bab8eefb6409c1a,
0xd01fef10a657842c, 0x9b10a4e5e9913129, 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, 0xbf21e44003acdd2d,
0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b};
const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {
0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, 0xcf42894a5dce35ea,
0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f,
0xbe5691ef416bd60c, 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, 0xc21094364dfb5637,
0x9096ea6f3848984f, 0xd77485cb25823ac7, 0xa086cfcd97bf97f4, 0xef340a98172aace5,
0xb23867fb2a35b28e, 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, 0xb5b5ada8aaff80b8,
0x87625f056c7c4a8b, 0xc9bcff6034c13053, 0x964e858c91ba2655, 0xdff9772470297ebd,
0xa6dfbd9fb8e5b88f, 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, 0xaa242499697392d3,
0xfd87b5f28300ca0e, 0xbce5086492111aeb, 0x8cbccc096f5088cc, 0xd1b71758e219652c,
0x9c40000000000000, 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984,
0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, 0x9f4f2726179a2245,
0xed63a231d4c4fb27, 0xb0de65388cc8ada8, 0x83c7088e1aab65db, 0xc45d1df942711d9a,
0x924d692ca61be758, 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85,
0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, 0x952ab45cfa97a0b3,
0xde469fbd99a05fe3, 0xa59bc234db398c25, 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece,
0x88fcf317f22241e2, 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a,
0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, 0x8bab8eefb6409c1a,
0xd01fef10a657842c, 0x9b10a4e5e9913129, 0xe7109bfba19c0c9d, 0xac2820d9623bf429,
0x80444b5e7aa7cf85, 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841,
0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b
};
// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding
// to significands above.
template <typename T>
const int16_t basic_data<T>::POW10_EXPONENTS[] = {-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, -927, -901,
-874, -847, -821, -794, -768, -741, -715, -688, -661, -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, -343, -316,
-289, -263, -236, -210, -183, -157, -130, -103, -77, -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, 242, 269, 295, 322, 348, 375,
402, 428, 455, 481, 508, 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066};
const int16_t basic_data<T>::POW10_EXPONENTS[] = {
-1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
-927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
-635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369,
-343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77,
-50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216,
242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508,
534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800,
827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066
};
FMT_FUNC fp operator*(fp x, fp y)
{
template <typename T> const char basic_data<T>::RESET_COLOR[] = "\x1b[0m";
template <typename T> const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
FMT_FUNC fp operator*(fp x, fp y) {
// Multiply 32-bit parts of significands.
uint64_t mask = (1ULL << 32) - 1;
uint64_t a = x.f >> 32, b = x.f & mask;
@ -312,10 +323,10 @@ FMT_FUNC fp operator*(fp x, fp y)
return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64);
}
FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent)
{
FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) {
const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10)
int index = static_cast<int>(std::ceil((min_exponent + fp::significand_size - 1) * one_over_log2_10));
int index = static_cast<int>(std::ceil(
(min_exponent + fp::significand_size - 1) * one_over_log2_10));
// Decimal exponent of the first (smallest) cached power of 10.
const int first_dec_exp = -348;
// Difference between two consecutive decimal exponents in cached powers of 10.
@ -328,64 +339,63 @@ FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent)
#if FMT_USE_WINDOWS_H
FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s)
{
FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
if (s.size() > INT_MAX)
FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG));
int s_size = static_cast<int>(s.size());
if (s_size == 0)
{
if (s_size == 0) {
// MultiByteToWideChar does not support zero length, handle separately.
buffer_.resize(1);
buffer_[0] = 0;
return;
}
int length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
int length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_.resize(length + 1);
length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
if (length == 0)
FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
buffer_[length] = 0;
}
FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s)
{
if (int error_code = convert(s))
{
FMT_THROW(windows_error(error_code, "cannot convert string from UTF-16 to UTF-8"));
FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
if (int error_code = convert(s)) {
FMT_THROW(windows_error(error_code,
"cannot convert string from UTF-16 to UTF-8"));
}
}
FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s)
{
FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
if (s.size() > INT_MAX)
return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size());
if (s_size == 0)
{
if (s_size == 0) {
// WideCharToMultiByte does not support zero length, handle separately.
buffer_.resize(1);
buffer_[0] = 0;
return 0;
}
int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
int length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
buffer_.resize(length + 1);
length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
buffer_[length] = 0;
return 0;
}
FMT_FUNC void windows_error::init(int err_code, string_view format_str, format_args args)
{
FMT_FUNC void windows_error::init(
int err_code, string_view format_str, format_args args) {
error_code_ = err_code;
memory_buffer buffer;
internal::format_windows_error(buffer, err_code, vformat(format_str, args));
@ -393,22 +403,20 @@ FMT_FUNC void windows_error::init(int err_code, string_view format_str, format_a
base = std::runtime_error(to_string(buffer));
}
FMT_FUNC void internal::format_windows_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT
{
FMT_TRY
{
FMT_FUNC void internal::format_windows_error(
internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
FMT_TRY {
wmemory_buffer buf;
buf.resize(inline_buffer_size);
for (;;)
{
for (;;) {
wchar_t *system_message = &buf[0];
int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, FMT_NULL, error_code,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
if (result != 0)
{
int result = FormatMessageW(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
if (result != 0) {
utf16_to_utf8 utf8_message;
if (utf8_message.convert(system_message) == ERROR_SUCCESS)
{
if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
writer w(out);
w.write(message);
w.write(": ");
@ -421,25 +429,21 @@ FMT_FUNC void internal::format_windows_error(internal::buffer &out, int error_co
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
}
FMT_CATCH(...) {}
} FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
#endif // FMT_USE_WINDOWS_H
FMT_FUNC void format_system_error(internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT
{
FMT_TRY
{
FMT_FUNC void format_system_error(
internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
FMT_TRY {
memory_buffer buf;
buf.resize(inline_buffer_size);
for (;;)
{
for (;;) {
char *system_message = &buf[0];
int result = safe_strerror(error_code, system_message, buf.size());
if (result == 0)
{
if (result == 0) {
writer w(out);
w.write(message);
w.write(": ");
@ -450,80 +454,106 @@ FMT_FUNC void format_system_error(internal::buffer &out, int error_code, string_
break; // Can't get error message, report error code instead.
buf.resize(buf.size() * 2);
}
}
FMT_CATCH(...) {}
} FMT_CATCH(...) {}
format_error_code(out, error_code, message);
}
template <typename Char>
void basic_fixed_buffer<Char>::grow(std::size_t)
{
void basic_fixed_buffer<Char>::grow(std::size_t) {
FMT_THROW(std::runtime_error("buffer overflow"));
}
FMT_FUNC void internal::error_handler::on_error(const char *message)
{
FMT_FUNC void internal::error_handler::on_error(const char *message) {
FMT_THROW(format_error(message));
}
FMT_FUNC void report_system_error(int error_code, fmt::string_view message) FMT_NOEXCEPT
{
FMT_FUNC void report_system_error(
int error_code, fmt::string_view message) FMT_NOEXCEPT {
report_error(format_system_error, error_code, message);
}
#if FMT_USE_WINDOWS_H
FMT_FUNC void report_windows_error(int error_code, fmt::string_view message) FMT_NOEXCEPT
{
FMT_FUNC void report_windows_error(
int error_code, fmt::string_view message) FMT_NOEXCEPT {
report_error(internal::format_windows_error, error_code, message);
}
#endif
FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args)
{
FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) {
memory_buffer buffer;
vformat_to(buffer, format_str, args);
std::fwrite(buffer.data(), 1, buffer.size(), f);
}
FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args)
{
FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) {
wmemory_buffer buffer;
vformat_to(buffer, format_str, args);
std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f);
}
FMT_FUNC void vprint(string_view format_str, format_args args)
{
FMT_FUNC void vprint(string_view format_str, format_args args) {
vprint(stdout, format_str, args);
}
FMT_FUNC void vprint(wstring_view format_str, wformat_args args)
{
FMT_FUNC void vprint(wstring_view format_str, wformat_args args) {
vprint(stdout, format_str, args);
}
FMT_FUNC void vprint_colored(color c, string_view format, format_args args)
{
#ifndef FMT_EXTENDED_COLORS
FMT_FUNC void vprint_colored(color c, string_view format, format_args args) {
char escape[] = "\x1b[30m";
escape[3] = static_cast<char>('0' + c);
std::fputs(escape, stdout);
vprint(format, args);
std::fputs(RESET_COLOR, stdout);
std::fputs(internal::data::RESET_COLOR, stdout);
}
FMT_FUNC void vprint_colored(color c, wstring_view format, wformat_args args)
{
FMT_FUNC void vprint_colored(color c, wstring_view format, wformat_args args) {
wchar_t escape[] = L"\x1b[30m";
escape[3] = static_cast<wchar_t>('0' + c);
std::fputws(escape, stdout);
vprint(format, args);
std::fputws(WRESET_COLOR, stdout);
std::fputws(internal::data::WRESET_COLOR, stdout);
}
#else
namespace internal {
FMT_CONSTEXPR void to_esc(uint8_t c, char out[], int offset) {
out[offset + 0] = static_cast<char>('0' + c / 100);
out[offset + 1] = static_cast<char>('0' + c / 10 % 10);
out[offset + 2] = static_cast<char>('0' + c % 10);
}
} // namespace internal
FMT_FUNC void vprint_rgb(rgb fd, string_view format, format_args args) {
char escape_fd[] = "\x1b[38;2;000;000;000m";
internal::to_esc(fd.r, escape_fd, 7);
internal::to_esc(fd.g, escape_fd, 11);
internal::to_esc(fd.b, escape_fd, 15);
std::fputs(escape_fd, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
FMT_FUNC locale locale_provider::locale()
{
return fmt::locale();
FMT_FUNC void vprint_rgb(rgb fd, rgb bg, string_view format, format_args args) {
char escape_fd[] = "\x1b[38;2;000;000;000m"; // foreground color
char escape_bg[] = "\x1b[48;2;000;000;000m"; // background color
internal::to_esc(fd.r, escape_fd, 7);
internal::to_esc(fd.g, escape_fd, 11);
internal::to_esc(fd.b, escape_fd, 15);
internal::to_esc(bg.r, escape_bg, 7);
internal::to_esc(bg.g, escape_bg, 11);
internal::to_esc(bg.b, escape_bg, 15);
std::fputs(escape_fd, stdout);
std::fputs(escape_bg, stdout);
vprint(format, args);
std::fputs(internal::data::RESET_COLOR, stdout);
}
#endif
FMT_FUNC locale locale_provider::locale() { return fmt::locale(); }
FMT_END_NAMESPACE

View File

@ -1,46 +0,0 @@
// 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

File diff suppressed because it is too large Load Diff

View File

@ -15,8 +15,7 @@ FMT_BEGIN_NAMESPACE
namespace internal {
template <class Char>
class formatbuf : public std::basic_streambuf<Char>
{
class formatbuf : public std::basic_streambuf<Char> {
private:
typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type;
@ -24,10 +23,7 @@ private:
basic_buffer<Char> &buffer_;
public:
formatbuf(basic_buffer<Char> &buffer)
: buffer_(buffer)
{
}
formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
protected:
// The put-area is actually always empty. This makes the implementation
@ -37,23 +33,20 @@ protected:
// 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
{
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
{
std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE {
buffer_.append(s, s + count);
return count;
}
};
template <typename Char>
struct test_stream : std::basic_ostream<Char>
{
struct test_stream : std::basic_ostream<Char> {
private:
struct null;
// Hide all operator<< from std::basic_ostream<Char>.
@ -62,11 +55,12 @@ private:
// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream).
template <typename T, typename Char>
class is_streamable
{
class is_streamable {
private:
template <typename U>
static decltype(internal::declval<test_stream<Char> &>() << internal::declval<U>(), std::true_type()) test(int);
static decltype(
internal::declval<test_stream<Char>&>()
<< internal::declval<U>(), std::true_type()) test(int);
template <typename>
static std::false_type test(...);
@ -82,22 +76,21 @@ public:
// Disable conversion to int if T has an overloaded operator<< which is a free
// function (not a member of std::ostream).
template <typename T, typename Char>
class convert_to_int<T, Char, true>
{
class convert_to_int<T, Char, true> {
public:
static const bool value = convert_to_int<T, Char, false>::value && !is_streamable<T, Char>::value;
static const bool value =
convert_to_int<T, Char, false>::value && !is_streamable<T, Char>::value;
};
// Write the content of buf to os.
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();
typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
UnsignedStreamSize size = buf.size();
UnsignedStreamSize max_size = internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
do
{
UnsignedStreamSize max_size =
internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
do {
UnsignedStreamSize n = size <= max_size ? size : max_size;
os.write(data, static_cast<std::streamsize>(n));
data += n;
@ -106,8 +99,7 @@ void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf)
}
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);
std::basic_ostream<Char> output(&format_buf);
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
@ -117,19 +109,18 @@ void format_value(basic_buffer<Char> &buffer, const T &value)
// Disable builtin formatting of enums and use operator<< instead.
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
// Formats an object of type T that has an overloaded ostream operator<<.
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>
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;
internal::format_value(buffer, value);
basic_string_view<Char> str(buffer.data(), buffer.size());
@ -139,9 +130,9 @@ struct formatter<T, Char, typename std::enable_if<internal::is_streamable<T, Cha
};
template <typename Char>
inline void vprint(
std::basic_ostream<Char> &os, basic_string_view<Char> format_str, basic_format_args<typename buffer_context<Char>::type> args)
{
inline void vprint(std::basic_ostream<Char> &os,
basic_string_view<Char> format_str,
basic_format_args<typename buffer_context<Char>::type> args) {
basic_memory_buffer<Char> buffer;
vformat_to(buffer, format_str, args);
internal::write(os, buffer);
@ -156,14 +147,14 @@ inline void vprint(
\endrst
*/
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...));
}
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...));
}
FMT_END_NAMESPACE

View File

@ -53,8 +53,7 @@
// equals to EINTR.
#ifndef _WIN32
# define FMT_RETRY_VAL(result, expression, error_result) \
do \
{ \
do { \
result = (expression); \
} while (result == error_result && errno == EINTR)
#else
@ -91,65 +90,47 @@ FMT_BEGIN_NAMESPACE
\endrst
*/
template <typename Char>
class basic_cstring_view
{
class basic_cstring_view {
private:
const Char *data_;
public:
/** Constructs a string reference object from a C string. */
basic_cstring_view(const Char *s)
: data_(s)
{
}
basic_cstring_view(const Char *s) : data_(s) {}
/**
\rst
Constructs a string reference from an ``std::string`` object.
\endrst
*/
basic_cstring_view(const std::basic_string<Char> &s)
: data_(s.c_str())
{
}
basic_cstring_view(const std::basic_string<Char> &s) : data_(s.c_str()) {}
/** Returns the pointer to a C string. */
const Char *c_str() const
{
return data_;
}
const Char *c_str() const { return data_; }
};
typedef basic_cstring_view<char> cstring_view;
typedef basic_cstring_view<wchar_t> wcstring_view;
// An error code.
class error_code
{
class error_code {
private:
int value_;
public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
int get() const FMT_NOEXCEPT
{
return value_;
}
int get() const FMT_NOEXCEPT { return value_; }
};
// A buffered file.
class buffered_file
{
class buffered_file {
private:
FILE *file_;
friend class file;
explicit buffered_file(FILE *f)
: file_(f)
{
}
explicit buffered_file(FILE *f) : file_(f) {}
public:
// Constructs a buffered_file object which doesn't represent any file.
@ -165,8 +146,7 @@ public:
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
struct Proxy
{
struct Proxy {
FILE *file;
};
@ -175,22 +155,19 @@ public:
buffered_file(Proxy p) FMT_NOEXCEPT : file_(p.file) {}
// A "move constructor" for moving from an lvalue.
buffered_file(buffered_file &f) FMT_NOEXCEPT : file_(f.file_)
{
buffered_file(buffered_file &f) FMT_NOEXCEPT : file_(f.file_) {
f.file_ = FMT_NULL;
}
// A "move assignment operator" for moving from a temporary.
buffered_file &operator=(Proxy p)
{
buffered_file &operator=(Proxy p) {
close();
file_ = p.file;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
buffered_file &operator=(buffered_file &other)
{
buffered_file &operator=(buffered_file &other) {
close();
file_ = other.file_;
other.file_ = FMT_NULL;
@ -199,8 +176,7 @@ public:
// Returns a proxy object for moving from a temporary:
// buffered_file file = buffered_file(...);
operator Proxy() FMT_NOEXCEPT
{
operator Proxy() FMT_NOEXCEPT {
Proxy p = {file_};
file_ = FMT_NULL;
return p;
@ -211,13 +187,11 @@ private:
FMT_DISALLOW_COPY_AND_ASSIGN(buffered_file);
public:
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_)
{
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_) {
other.file_ = FMT_NULL;
}
buffered_file &operator=(buffered_file &&other)
{
buffered_file& operator=(buffered_file &&other) {
close();
file_ = other.file_;
other.file_ = FMT_NULL;
@ -232,23 +206,18 @@ public:
FMT_API void close();
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT
{
return file_;
}
FILE *get() const FMT_NOEXCEPT { return file_; }
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
FMT_API int (fileno)() const;
void vprint(string_view format_str, format_args args)
{
void vprint(string_view format_str, format_args args) {
fmt::vprint(file_, format_str, args);
}
template <typename... Args>
inline void print(string_view format_str, const Args &... args)
{
inline void print(string_view format_str, const Args & ... args) {
vprint(format_str, make_format_args(args...));
}
};
@ -259,21 +228,16 @@ public:
// closing the file multiple times will cause a crash on Windows rather
// than an exception. You can get standard behavior by overriding the
// invalid parameter handler with _set_invalid_parameter_handler.
class file
{
class file {
private:
int fd_; // File descriptor.
// Constructs a file object with a given descriptor.
explicit file(int fd)
: fd_(fd)
{
}
explicit file(int fd) : fd_(fd) {}
public:
// Possible values for the oflag argument to the constructor.
enum
{
enum {
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
@ -292,8 +256,7 @@ public:
private:
// A proxy object to emulate a move constructor.
// It is private to make it impossible call operator Proxy directly.
struct Proxy
{
struct Proxy {
int fd;
};
@ -302,22 +265,19 @@ public:
file(Proxy p) FMT_NOEXCEPT : fd_(p.fd) {}
// A "move constructor" for moving from an lvalue.
file(file &other) FMT_NOEXCEPT : fd_(other.fd_)
{
file(file &other) FMT_NOEXCEPT : fd_(other.fd_) {
other.fd_ = -1;
}
// A "move assignment operator" for moving from a temporary.
file &operator=(Proxy p)
{
file &operator=(Proxy p) {
close();
fd_ = p.fd;
return *this;
}
// A "move assignment operator" for moving from an lvalue.
file &operator=(file &other)
{
file &operator=(file &other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
@ -326,8 +286,7 @@ public:
// Returns a proxy object for moving from a temporary:
// file f = file(...);
operator Proxy() FMT_NOEXCEPT
{
operator Proxy() FMT_NOEXCEPT {
Proxy p = {fd_};
fd_ = -1;
return p;
@ -338,13 +297,11 @@ private:
FMT_DISALLOW_COPY_AND_ASSIGN(file);
public:
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_)
{
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_) {
other.fd_ = -1;
}
file &operator=(file &&other)
{
file& operator=(file &&other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
@ -356,10 +313,7 @@ public:
FMT_API ~file() FMT_DTOR_NOEXCEPT;
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT
{
return fd_;
}
int descriptor() const FMT_NOEXCEPT { return fd_; }
// Closes the file.
FMT_API void close();
@ -398,35 +352,29 @@ public:
// Returns the memory page size.
long getpagesize();
#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && !defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__)
#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
!defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__)
# define FMT_LOCALE
#endif
#ifdef FMT_LOCALE
// A "C" numeric locale.
class Locale
{
class Locale {
private:
# ifdef _MSC_VER
typedef _locale_t locale_t;
enum
{
LC_NUMERIC_MASK = LC_NUMERIC
};
enum { LC_NUMERIC_MASK = LC_NUMERIC };
static locale_t newlocale(int category_mask, const char *locale, locale_t)
{
static locale_t newlocale(int category_mask, const char *locale, locale_t) {
return _create_locale(category_mask, locale);
}
static void freelocale(locale_t locale)
{
static void freelocale(locale_t locale) {
_free_locale(locale);
}
static double strtod_l(const char *nptr, char **endptr, _locale_t locale)
{
static double strtod_l(const char *nptr, char **endptr, _locale_t locale) {
return _strtod_l(nptr, endptr, locale);
}
# endif
@ -438,26 +386,17 @@ private:
public:
typedef locale_t Type;
Locale()
: locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL))
{
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL)) {
if (!locale_)
FMT_THROW(system_error(errno, "cannot create locale"));
}
~Locale()
{
freelocale(locale_);
}
~Locale() { freelocale(locale_); }
Type get() const
{
return locale_;
}
Type get() const { return locale_; }
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char *&str) const
{
double strtod(const char *&str) const {
char *end = FMT_NULL;
double result = strtod_l(str, &end, locale_);
str = end;
@ -470,15 +409,9 @@ FMT_END_NAMESPACE
#if !FMT_USE_RVALUE_REFERENCES
namespace std {
// For compatibility with C++98.
inline fmt::buffered_file &move(fmt::buffered_file &f)
{
return f;
inline fmt::buffered_file &move(fmt::buffered_file &f) { return f; }
inline fmt::file &move(fmt::file &f) { return f; }
}
inline fmt::file &move(fmt::file &f)
{
return f;
}
} // namespace std
#endif
#endif // FMT_POSIX_H_

View File

@ -19,84 +19,64 @@ namespace internal {
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
struct int_checker
{
struct int_checker {
template <typename T>
static bool fits_in_int(T value)
{
static bool fits_in_int(T value) {
unsigned max = std::numeric_limits<int>::max();
return value <= max;
}
static bool fits_in_int(bool)
{
return true;
}
static bool fits_in_int(bool) { return true; }
};
template <>
struct int_checker<true>
{
struct int_checker<true> {
template <typename T>
static bool fits_in_int(T value)
{
return value >= std::numeric_limits<int>::min() && value <= std::numeric_limits<int>::max();
}
static bool fits_in_int(int)
{
return true;
static bool fits_in_int(T value) {
return value >= std::numeric_limits<int>::min() &&
value <= std::numeric_limits<int>::max();
}
static bool fits_in_int(int) { return true; }
};
class printf_precision_handler : public function<int>
{
class printf_precision_handler: public function<int> {
public:
template <typename T>
typename std::enable_if<std::is_integral<T>::value, int>::type operator()(T value)
{
typename std::enable_if<std::is_integral<T>::value, int>::type
operator()(T value) {
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(format_error("number is too big"));
return static_cast<int>(value);
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, int>::type operator()(T)
{
typename std::enable_if<!std::is_integral<T>::value, int>::type operator()(T) {
FMT_THROW(format_error("precision is not integer"));
return 0;
}
};
// An argument visitor that returns true iff arg is a zero integer.
class is_zero_int : public function<bool>
{
class is_zero_int: public function<bool> {
public:
template <typename T>
typename std::enable_if<std::is_integral<T>::value, bool>::type operator()(T value)
{
return value == 0;
}
typename std::enable_if<std::is_integral<T>::value, bool>::type
operator()(T value) { return value == 0; }
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, bool>::type operator()(T)
{
return false;
}
typename std::enable_if<!std::is_integral<T>::value, bool>::type
operator()(T) { return false; }
};
template <typename T>
struct make_unsigned_or_bool : std::make_unsigned<T>
{
};
struct make_unsigned_or_bool : std::make_unsigned<T> {};
template <>
struct make_unsigned_or_bool<bool>
{
struct make_unsigned_or_bool<bool> {
typedef bool type;
};
template <typename T, typename Context>
class arg_converter : public function<void>
{
class arg_converter: public function<void> {
private:
typedef typename Context::char_type Char;
@ -105,54 +85,44 @@ private:
public:
arg_converter(basic_format_arg<Context> &arg, Char type)
: arg_(arg)
, type_(type)
{
}
: arg_(arg), type_(type) {}
void operator()(bool value)
{
void operator()(bool value) {
if (type_ != 's')
operator()<bool>(value);
}
template <typename U>
typename std::enable_if<std::is_integral<U>::value>::type operator()(U value)
{
typename std::enable_if<std::is_integral<U>::value>::type
operator()(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
typedef typename std::conditional<std::is_same<T, void>::value, U, T>::type TargetType;
if (const_check(sizeof(TargetType) <= sizeof(int)))
{
typedef typename std::conditional<
std::is_same<T, void>::value, U, T>::type TargetType;
if (const_check(sizeof(TargetType) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed)
{
arg_ = internal::make_arg<Context>(static_cast<int>(static_cast<TargetType>(value)));
}
else
{
if (is_signed) {
arg_ = internal::make_arg<Context>(
static_cast<int>(static_cast<TargetType>(value)));
} else {
typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
arg_ = internal::make_arg<Context>(static_cast<unsigned>(static_cast<Unsigned>(value)));
arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<Unsigned>(value)));
}
}
else
{
if (is_signed)
{
} else {
if (is_signed) {
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_ = internal::make_arg<Context>(static_cast<long long>(value));
}
else
{
arg_ = internal::make_arg<Context>(static_cast<typename make_unsigned_or_bool<U>::type>(value));
} else {
arg_ = internal::make_arg<Context>(
static_cast<typename make_unsigned_or_bool<U>::type>(value));
}
}
}
template <typename U>
typename std::enable_if<!std::is_integral<U>::value>::type operator()(U)
{
typename std::enable_if<!std::is_integral<U>::value>::type operator()(U) {
// No coversion needed for non-integral types.
}
};
@ -162,36 +132,30 @@ public:
// type depending on the type specifier: 'd' and 'i' - signed, other -
// unsigned).
template <typename T, typename Context, typename Char>
void convert_arg(basic_format_arg<Context> &arg, Char type)
{
void convert_arg(basic_format_arg<Context> &arg, Char type) {
visit(arg_converter<T, Context>(arg, type), arg);
}
// Converts an integer argument to char for printf.
template <typename Context>
class char_converter : public function<void>
{
class char_converter: public function<void> {
private:
basic_format_arg<Context> &arg_;
FMT_DISALLOW_COPY_AND_ASSIGN(char_converter);
public:
explicit char_converter(basic_format_arg<Context> &arg)
: arg_(arg)
{
}
explicit char_converter(basic_format_arg<Context> &arg) : arg_(arg) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value>::type operator()(T value)
{
typename std::enable_if<std::is_integral<T>::value>::type
operator()(T value) {
typedef typename Context::char_type Char;
arg_ = internal::make_arg<Context>(static_cast<Char>(value));
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value>::type operator()(T)
{
typename std::enable_if<!std::is_integral<T>::value>::type operator()(T) {
// No coversion needed for non-integral types.
}
};
@ -199,8 +163,7 @@ public:
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
template <typename Char>
class printf_width_handler : public function<unsigned>
{
class printf_width_handler: public function<unsigned> {
private:
typedef basic_format_specs<Char> format_specs;
@ -209,18 +172,14 @@ private:
FMT_DISALLOW_COPY_AND_ASSIGN(printf_width_handler);
public:
explicit printf_width_handler(format_specs &spec)
: spec_(spec)
{
}
explicit printf_width_handler(format_specs &spec) : spec_(spec) {}
template <typename T>
typename std::enable_if<std::is_integral<T>::value, unsigned>::type operator()(T value)
{
typename std::enable_if<std::is_integral<T>::value, unsigned>::type
operator()(T value) {
typedef typename internal::int_traits<T>::main_type UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value))
{
if (internal::is_negative(value)) {
spec_.align_ = ALIGN_LEFT;
width = 0 - width;
}
@ -231,8 +190,8 @@ public:
}
template <typename T>
typename std::enable_if<!std::is_integral<T>::value, unsigned>::type operator()(T)
{
typename std::enable_if<!std::is_integral<T>::value, unsigned>::type
operator()(T) {
FMT_THROW(format_error("width is not integer"));
return 0;
}
@ -242,7 +201,10 @@ public:
template <typename Range>
class printf_arg_formatter;
template<typename OutputIt, typename Char, typename ArgFormatter = printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>>
template <
typename OutputIt, typename Char,
typename ArgFormatter =
printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>>
class basic_printf_context;
/**
@ -251,9 +213,10 @@ class basic_printf_context;
\endrst
*/
template <typename Range>
class printf_arg_formatter : public internal::function<typename internal::arg_formatter_base<Range>::iterator>,
public internal::arg_formatter_base<Range>
{
class printf_arg_formatter:
public internal::function<
typename internal::arg_formatter_base<Range>::iterator>,
public internal::arg_formatter_base<Range> {
private:
typedef typename Range::value_type char_type;
typedef decltype(internal::declval<Range>().begin()) iterator;
@ -262,14 +225,12 @@ private:
context_type &context_;
void write_null_pointer(char)
{
void write_null_pointer(char) {
this->spec().type_ = 0;
this->write("(nil)");
}
void write_null_pointer(wchar_t)
{
void write_null_pointer(wchar_t) {
this->spec().type_ = 0;
this->write(L"(nil)");
}
@ -284,39 +245,43 @@ public:
specifier information for standard argument types.
\endrst
*/
printf_arg_formatter(internal::basic_buffer<char_type> &buffer, format_specs &spec, context_type &ctx)
: base(back_insert_range<internal::basic_buffer<char_type>>(buffer), spec)
, context_(ctx)
{
}
printf_arg_formatter(internal::basic_buffer<char_type> &buffer,
format_specs &spec, context_type &ctx)
: base(back_insert_range<internal::basic_buffer<char_type>>(buffer), spec),
context_(ctx) {}
using base::operator();
/** Formats an argument of type ``bool``. */
iterator operator()(bool value)
{
template <typename T>
typename std::enable_if<std::is_integral<T>::value, iterator>::type
operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead.
if (std::is_same<T, bool>::value) {
format_specs &fmt_spec = this->spec();
if (fmt_spec.type_ != 's')
return (*this)(value ? 1 : 0);
return base::operator()(value ? 1 : 0);
fmt_spec.type_ = 0;
this->write(value);
return this->out();
}
/** Formats a character. */
iterator operator()(char_type value)
{
this->write(value != 0);
} else if (std::is_same<T, char_type>::value) {
format_specs &fmt_spec = this->spec();
if (fmt_spec.type_ && fmt_spec.type_ != 'c')
return (*this)(static_cast<int>(value));
fmt_spec.flags_ = 0;
fmt_spec.align_ = ALIGN_RIGHT;
return base::operator()(value);
} else {
return base::operator()(value);
}
return this->out();
}
template <typename T>
typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
operator()(T value) {
return base::operator()(value);
}
/** Formats a null-terminated C string. */
iterator operator()(const char *value)
{
iterator operator()(const char *value) {
if (value)
base::operator()(value);
else if (this->spec().type_ == 'p')
@ -327,8 +292,7 @@ public:
}
/** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t *value)
{
iterator operator()(const wchar_t *value) {
if (value)
base::operator()(value);
else if (this->spec().type_ == 'p')
@ -338,9 +302,16 @@ public:
return this->out();
}
iterator operator()(basic_string_view<char_type> value) {
return base::operator()(value);
}
iterator operator()(monostate value) {
return base::operator()(value);
}
/** Formats a pointer. */
iterator operator()(const void *value)
{
iterator operator()(const void *value) {
if (value)
return base::operator()(value);
this->spec().type_ = 0;
@ -349,25 +320,19 @@ public:
}
/** Formats an argument of a custom (user-defined) type. */
iterator operator()(typename basic_format_arg<context_type>::handle handle)
{
iterator operator()(typename basic_format_arg<context_type>::handle handle) {
handle.format(context_);
return this->out();
}
};
template <typename T>
struct printf_formatter
{
struct printf_formatter {
template <typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
return ctx.begin();
}
auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { return ctx.begin(); }
template <typename FormatContext>
auto format(const T &value, FormatContext &ctx) -> decltype(ctx.out())
{
auto format(const T &value, FormatContext &ctx) -> decltype(ctx.out()) {
internal::format_value(internal::get_container(ctx.out()), value);
return ctx.out();
}
@ -375,17 +340,15 @@ struct printf_formatter
/** This template formats data and writes the output to a writer. */
template <typename OutputIt, typename Char, typename ArgFormatter>
class basic_printf_context : private internal::context_base<OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char>
{
class basic_printf_context :
private internal::context_base<
OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char> {
public:
/** The character type for the output. */
typedef Char char_type;
template <typename T>
struct formatter_type
{
typedef printf_formatter<T> type;
};
struct formatter_type { typedef printf_formatter<T> type; };
private:
typedef internal::context_base<OutputIt, basic_printf_context, Char> base;
@ -397,7 +360,9 @@ private:
// Returns the argument with specified index or, if arg_index is equal
// to the maximum unsigned value, the next argument.
format_arg get_arg(iterator it, unsigned arg_index = (std::numeric_limits<unsigned>::max)());
format_arg get_arg(
iterator it,
unsigned arg_index = (std::numeric_limits<unsigned>::max)());
// Parses argument index, flags and width and returns the argument index.
unsigned parse_header(iterator &it, format_specs &spec);
@ -410,26 +375,23 @@ public:
appropriate lifetimes.
\endrst
*/
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str, basic_format_args<basic_printf_context> args)
: base(out, format_str, args)
{
}
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
basic_format_args<basic_printf_context> args)
: base(out, format_str, args) {}
using base::advance_to;
using base::out;
using base::parse_context;
using base::out;
using base::advance_to;
/** Formats stored arguments and writes the output to the range. */
void format();
};
template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::parse_flags(format_specs &spec, iterator &it)
{
for (;;)
{
switch (*it++)
{
void basic_printf_context<OutputIt, Char, AF>::parse_flags(
format_specs &spec, iterator &it) {
for (;;) {
switch (*it++) {
case '-':
spec.align_ = ALIGN_LEFT;
break;
@ -453,9 +415,9 @@ void basic_printf_context<OutputIt, Char, AF>::parse_flags(format_specs &spec, i
}
template <typename OutputIt, typename Char, typename AF>
typename basic_printf_context<OutputIt, Char, AF>::format_arg basic_printf_context<OutputIt, Char, AF>::get_arg(
iterator it, unsigned arg_index)
{
typename basic_printf_context<OutputIt, Char, AF>::format_arg
basic_printf_context<OutputIt, Char, AF>::get_arg(
iterator it, unsigned arg_index) {
(void)it;
if (arg_index == std::numeric_limits<unsigned>::max())
return this->do_get_arg(this->parse_context().next_arg_id());
@ -463,27 +425,22 @@ typename basic_printf_context<OutputIt, Char, AF>::format_arg basic_printf_conte
}
template <typename OutputIt, typename Char, typename AF>
unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(iterator &it, format_specs &spec)
{
unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
iterator &it, format_specs &spec) {
unsigned arg_index = std::numeric_limits<unsigned>::max();
char_type c = *it;
if (c >= '0' && c <= '9')
{
if (c >= '0' && c <= '9') {
// Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s).
internal::error_handler eh;
unsigned value = parse_nonnegative_int(it, eh);
if (*it == '$')
{ // value is an argument index
if (*it == '$') { // value is an argument index
++it;
arg_index = value;
}
else
{
} else {
if (c == '0')
spec.fill_ = '0';
if (value != 0)
{
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
spec.width_ = value;
@ -493,33 +450,27 @@ unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(iterator &it, fo
}
parse_flags(spec, it);
// Parse width.
if (*it >= '0' && *it <= '9')
{
if (*it >= '0' && *it <= '9') {
internal::error_handler eh;
spec.width_ = parse_nonnegative_int(it, eh);
}
else if (*it == '*')
{
} else if (*it == '*') {
++it;
spec.width_ = visit(internal::printf_width_handler<char_type>(spec), get_arg(it));
spec.width_ =
visit(internal::printf_width_handler<char_type>(spec), get_arg(it));
}
return arg_index;
}
template <typename OutputIt, typename Char, typename AF>
void basic_printf_context<OutputIt, Char, AF>::format()
{
void basic_printf_context<OutputIt, Char, AF>::format() {
auto &buffer = internal::get_container(this->out());
auto start = iterator(this->parse_context());
auto it = start;
using internal::pointer_from;
while (*it)
{
while (*it) {
char_type c = *it++;
if (c != '%')
continue;
if (*it == c)
{
if (c != '%') continue;
if (*it == c) {
buffer.append(pointer_from(start), pointer_from(it));
start = ++it;
continue;
@ -533,21 +484,16 @@ void basic_printf_context<OutputIt, Char, AF>::format()
unsigned arg_index = parse_header(it, spec);
// Parse precision.
if (*it == '.')
{
if (*it == '.') {
++it;
if ('0' <= *it && *it <= '9')
{
if ('0' <= *it && *it <= '9') {
internal::error_handler eh;
spec.precision_ = static_cast<int>(parse_nonnegative_int(it, eh));
}
else if (*it == '*')
{
} else if (*it == '*') {
++it;
spec.precision_ = visit(internal::printf_precision_handler(), get_arg(it));
}
else
{
spec.precision_ =
visit(internal::printf_precision_handler(), get_arg(it));
} else {
spec.precision_ = 0;
}
}
@ -555,8 +501,7 @@ void basic_printf_context<OutputIt, Char, AF>::format()
format_arg arg = get_arg(it, arg_index);
if (spec.flag(HASH_FLAG) && visit(internal::is_zero_int(), arg))
spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG);
if (spec.fill_ == '0')
{
if (spec.fill_ == '0') {
if (arg.is_arithmetic())
spec.align_ = ALIGN_NUMERIC;
else
@ -565,8 +510,7 @@ void basic_printf_context<OutputIt, Char, AF>::format()
// Parse length and convert the argument to the required type.
using internal::convert_arg;
switch (*it++)
{
switch (*it++) {
case 'h':
if (*it == 'h')
convert_arg<signed char>(arg, *++it);
@ -601,13 +545,10 @@ void basic_printf_context<OutputIt, Char, AF>::format()
if (!*it)
FMT_THROW(format_error("invalid format string"));
spec.type_ = static_cast<char>(*it++);
if (arg.is_integral())
{
if (arg.is_integral()) {
// Normalize type.
switch (spec.type_)
{
case 'i':
case 'u':
switch (spec.type_) {
case 'i': case 'u':
spec.type_ = 'd';
break;
case 'c':
@ -626,27 +567,27 @@ void basic_printf_context<OutputIt, Char, AF>::format()
}
template <typename Char, typename Context>
void printf(internal::basic_buffer<Char> &buf, basic_string_view<Char> format, basic_format_args<Context> args)
{
void printf(internal::basic_buffer<Char> &buf, basic_string_view<Char> format,
basic_format_args<Context> args) {
Context(std::back_inserter(buf), format, args).format();
}
template <typename Buffer>
struct printf_context
{
typedef basic_printf_context<std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
struct printf_context {
typedef basic_printf_context<
std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
};
template <typename ...Args>
inline format_arg_store<printf_context<internal::buffer>::type, Args...> make_printf_args(const Args &... args)
{
return format_arg_store<printf_context<internal::buffer>::type, Args...>(args...);
inline format_arg_store<printf_context<internal::buffer>::type, Args...>
make_printf_args(const Args & ... args) {
return format_arg_store<printf_context<internal::buffer>::type, Args...>(
args...);
}
typedef basic_format_args<printf_context<internal::buffer>::type> printf_args;
typedef basic_format_args<printf_context<internal::wbuffer>::type> wprintf_args;
inline std::string vsprintf(string_view format, printf_args args)
{
inline std::string vsprintf(string_view format, printf_args args) {
memory_buffer buffer;
printf(buffer, format, args);
return to_string(buffer);
@ -662,32 +603,32 @@ inline std::string vsprintf(string_view format, printf_args args)
\endrst
*/
template <typename... Args>
inline std::string sprintf(string_view format_str, const Args &... args)
{
return vsprintf(format_str, make_format_args<typename printf_context<internal::buffer>::type>(args...));
inline std::string sprintf(string_view format_str, const Args & ... args) {
return vsprintf(format_str,
make_format_args<typename printf_context<internal::buffer>::type>(args...));
}
inline std::wstring vsprintf(wstring_view format, wprintf_args args)
{
inline std::wstring vsprintf(wstring_view format, wprintf_args args) {
wmemory_buffer buffer;
printf(buffer, format, args);
return to_string(buffer);
}
template <typename... Args>
inline std::wstring sprintf(wstring_view format_str, const Args &... args)
{
return vsprintf(format_str, make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
inline std::wstring sprintf(wstring_view format_str, const Args & ... args) {
return vsprintf(format_str,
make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
}
template <typename Char>
inline int vfprintf(
std::FILE *f, basic_string_view<Char> format, basic_format_args<typename printf_context<internal::basic_buffer<Char>>::type> args)
{
inline int vfprintf(std::FILE *f, basic_string_view<Char> format,
basic_format_args<typename printf_context<
internal::basic_buffer<Char>>::type> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, format, args);
std::size_t size = buffer.size();
return std::fwrite(buffer.data(), sizeof(Char), size, f) < size ? -1 : static_cast<int>(size);
return std::fwrite(
buffer.data(), sizeof(Char), size, f) < size ? -1 : static_cast<int>(size);
}
/**
@ -700,25 +641,24 @@ inline int vfprintf(
\endrst
*/
template <typename... Args>
inline int fprintf(std::FILE *f, string_view format_str, const Args &... args)
{
auto vargs = make_format_args<typename printf_context<internal::buffer>::type>(args...);
inline int fprintf(std::FILE *f, string_view format_str, const Args & ... args) {
auto vargs = make_format_args<
typename printf_context<internal::buffer>::type>(args...);
return vfprintf<char>(f, format_str, vargs);
}
template <typename... Args>
inline int fprintf(std::FILE *f, wstring_view format_str, const Args &... args)
{
return vfprintf(f, format_str, make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
inline int fprintf(std::FILE *f, wstring_view format_str,
const Args & ... args) {
return vfprintf(f, format_str,
make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
}
inline int vprintf(string_view format, printf_args args)
{
inline int vprintf(string_view format, printf_args args) {
return vfprintf(stdout, format, args);
}
inline int vprintf(wstring_view format, wprintf_args args)
{
inline int vprintf(wstring_view format, wprintf_args args) {
return vfprintf(stdout, format, args);
}
@ -732,27 +672,27 @@ inline int vprintf(wstring_view format, wprintf_args args)
\endrst
*/
template <typename... Args>
inline int printf(string_view format_str, const Args &... args)
{
return vprintf(format_str, make_format_args<typename printf_context<internal::buffer>::type>(args...));
inline int printf(string_view format_str, const Args & ... args) {
return vprintf(format_str,
make_format_args<typename printf_context<internal::buffer>::type>(args...));
}
template <typename... Args>
inline int printf(wstring_view format_str, const Args &... args)
{
return vprintf(format_str, make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
inline int printf(wstring_view format_str, const Args & ... args) {
return vprintf(format_str,
make_format_args<typename printf_context<internal::wbuffer>::type>(args...));
}
inline int vfprintf(std::ostream &os, string_view format_str, printf_args args)
{
inline int vfprintf(std::ostream &os, string_view format_str,
printf_args args) {
memory_buffer buffer;
printf(buffer, format_str, args);
internal::write(os, buffer);
return static_cast<int>(buffer.size());
}
inline int vfprintf(std::wostream &os, wstring_view format_str, wprintf_args args)
{
inline int vfprintf(std::wostream &os, wstring_view format_str,
wprintf_args args) {
wmemory_buffer buffer;
printf(buffer, format_str, args);
internal::write(os, buffer);
@ -769,16 +709,18 @@ inline int vfprintf(std::wostream &os, wstring_view format_str, wprintf_args arg
\endrst
*/
template <typename... Args>
inline int fprintf(std::ostream &os, string_view format_str, const Args &... args)
{
auto vargs = make_format_args<typename printf_context<internal::buffer>::type>(args...);
inline int fprintf(std::ostream &os, string_view format_str,
const Args & ... args) {
auto vargs = make_format_args<
typename printf_context<internal::buffer>::type>(args...);
return vfprintf(os, format_str, vargs);
}
template <typename... Args>
inline int fprintf(std::wostream &os, wstring_view format_str, const Args &... args)
{
auto vargs = make_format_args<typename printf_context<internal::buffer>::type>(args...);
inline int fprintf(std::wostream &os, wstring_view format_str,
const Args & ... args) {
auto vargs = make_format_args<
typename printf_context<internal::buffer>::type>(args...);
return vfprintf(os, format_str, vargs);
}
FMT_END_NAMESPACE

View File

@ -23,45 +23,31 @@
FMT_BEGIN_NAMESPACE
template <typename Char>
struct formatting_base
{
struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char>
{
struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range()
: prefix('{')
, delimiter(',')
, postfix('}')
{
}
formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char>
{
struct formatting_tuple : formatting_base<Char> {
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple()
: prefix('(')
, delimiter(',')
, postfix(')')
{
}
formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
@ -69,69 +55,66 @@ struct formatting_tuple : formatting_base<Char>
namespace internal {
template <typename RangeT, typename OutputIterator>
void copy(const RangeT &range, OutputIterator out)
{
void copy(const RangeT &range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
}
template <typename OutputIterator>
void copy(const char *str, OutputIterator out)
{
void copy(const char *str, OutputIterator out) {
const char *p_curr = str;
while (*p_curr)
{
while (*p_curr) {
*out++ = *p_curr++;
}
}
template <typename OutputIterator>
void copy(char ch, OutputIterator out)
{
void copy(char ch, OutputIterator out) {
*out++ = ch;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T>
class is_like_std_string
{
class is_like_std_string {
template <typename U>
static auto check(U *p) -> decltype(p->find('a'), p->length(), p->data(), int());
static auto check(U *p) ->
decltype(p->find('a'), p->length(), p->data(), int());
template <typename>
static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(FMT_NULL))>::value;
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
};
template <typename... Ts>
struct conditional_helper
{
};
struct conditional_helper {};
template <typename T, typename _ = void>
struct is_range_ : std::false_type
{
};
struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T>
struct is_range_<T, typename std::conditional<false,
conditional_helper<decltype(internal::declval<T>().begin()), decltype(internal::declval<T>().end())>, void>::type>
: std::true_type
{
};
struct is_range_<T, typename std::conditional<
false,
conditional_helper<decltype(internal::declval<T>().begin()),
decltype(internal::declval<T>().end())>,
void>::type> : std::true_type {};
#endif
/// tuple_size and tuple_element check.
template <typename T>
class is_tuple_like_
{
class is_tuple_like_ {
template <typename U>
static auto check(U *p) -> decltype(std::tuple_size<U>::value, internal::declval<typename std::tuple_element<0, U>::type>(), int());
static auto check(U *p) ->
decltype(std::tuple_size<U>::value,
internal::declval<typename std::tuple_element<0, U>::type>(), int());
template <typename>
static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(FMT_NULL))>::value;
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(FMT_NULL))>::value;
};
// Check for integer_sequence
@ -144,12 +127,10 @@ template<std::size_t N>
using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N>
struct integer_sequence
{
struct integer_sequence {
typedef T value_type;
static FMT_CONSTEXPR std::size_t size()
{
static FMT_CONSTEXPR std::size_t size() {
return sizeof...(N);
}
};
@ -158,21 +139,16 @@ template<std::size_t... N>
using index_sequence = integer_sequence<std::size_t, N...>;
template <typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, 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...>
{
};
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template <std::size_t N>
using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) noexcept
{
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)...};
@ -180,78 +156,70 @@ void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) noexcept
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(T const &)
{
return {};
}
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)
{
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 Arg>
FMT_CONSTEXPR const char *format_str_quoted(
bool add_space, const Arg &, typename std::enable_if<!is_like_std_string<typename std::decay<Arg>::type>::value>::type * = nullptr)
{
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
typename std::enable_if<
!is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
return add_space ? " {}" : "{}";
}
template<typename Arg>
FMT_CONSTEXPR const char *format_str_quoted(
bool add_space, const Arg &, typename std::enable_if<is_like_std_string<typename std::decay<Arg>::type>::value>::type * = nullptr)
{
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
typename std::enable_if<
is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char *)
{
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t *)
{
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
}
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char)
{
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
return add_space ? " '{}'" : "'{}'";
}
FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t)
{
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
return add_space ? L" '{}'" : L"'{}'";
}
} // namespace internal
template <typename T>
struct is_tuple_like
{
static FMT_CONSTEXPR_DECL const bool value = internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char, typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type>
{
struct formatter<TupleT, Char,
typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
private:
// C++11 generic lambda for format()
template <typename FormatContext>
struct format_each
{
struct format_each {
template <typename T>
void operator()(const T &v)
{
if (i > 0)
{
if (formatting.add_prepostfix_space)
{
void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.delimiter, out);
}
format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), v), v);
format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i;
}
@ -264,21 +232,18 @@ public:
formatting_tuple<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
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 format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space)
{
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
@ -288,48 +253,45 @@ public:
};
template <typename T>
struct is_range
{
static FMT_CONSTEXPR_DECL const bool value = internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
};
template <typename RangeT, typename Char>
struct formatter<RangeT, Char, typename std::enable_if<fmt::is_range<RangeT>::value>::type>
{
struct formatter<RangeT, Char,
typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(const RangeT &values, FormatContext &ctx)
{
typename FormatContext::iterator format(
const RangeT &values, FormatContext &ctx) {
auto out = ctx.out();
internal::copy(formatting.prefix, out);
std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it)
{
if (i > 0)
{
if (formatting.add_prepostfix_space)
{
for (auto it = values.begin(), end = values.end(); it != end; ++it) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.delimiter, out);
}
format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), *it), *it);
if (++i > formatting.range_length_limit)
{
format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (++i > formatting.range_length_limit) {
format_to(out, " ... <other elements>");
break;
}
}
if (formatting.add_prepostfix_space)
{
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
@ -340,3 +302,4 @@ struct formatter<RangeT, Char, typename std::enable_if<fmt::is_range<RangeT>::va
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_

View File

@ -14,65 +14,38 @@
FMT_BEGIN_NAMESPACE
namespace internal{
inline null<> localtime_r(...)
{
return null<>();
inline null<> localtime_r(...) { return null<>(); }
inline null<> localtime_s(...) { 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
inline std::tm localtime(std::time_t time)
{
struct dispatcher
{
inline std::tm localtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t)
: time_(t)
{
}
dispatcher(std::time_t t): time_(t) {}
bool run()
{
bool run() {
using namespace fmt::internal;
return handle(localtime_r(&time_, &tm_));
}
bool handle(std::tm *tm)
{
return tm != FMT_NULL;
}
bool handle(std::tm *tm) { return tm != FMT_NULL; }
bool handle(internal::null<>)
{
bool handle(internal::null<>) {
using namespace fmt::internal;
return fallback(localtime_s(&tm_, &time_));
}
bool fallback(int res)
{
return res == 0;
}
bool fallback(int res) { return res == 0; }
bool fallback(internal::null<>)
{
bool fallback(internal::null<>) {
using namespace fmt::internal;
std::tm *tm = std::localtime(&time_);
if (tm)
tm_ = *tm;
if (tm) tm_ = *tm;
return tm != FMT_NULL;
}
};
@ -84,45 +57,30 @@ inline std::tm localtime(std::time_t time)
}
// Thread-safe replacement for std::gmtime
inline std::tm gmtime(std::time_t time)
{
struct dispatcher
{
inline std::tm gmtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t)
: time_(t)
{
}
dispatcher(std::time_t t): time_(t) {}
bool run()
{
bool run() {
using namespace fmt::internal;
return handle(gmtime_r(&time_, &tm_));
}
bool handle(std::tm *tm)
{
return tm != FMT_NULL;
}
bool handle(std::tm *tm) { return tm != FMT_NULL; }
bool handle(internal::null<>)
{
bool handle(internal::null<>) {
using namespace fmt::internal;
return fallback(gmtime_s(&tm_, &time_));
}
bool fallback(int res)
{
return res == 0;
}
bool fallback(int res) { return res == 0; }
bool fallback(internal::null<>)
{
bool fallback(internal::null<>) {
std::tm *tm = std::gmtime(&time_);
if (tm)
tm_ = *tm;
if (tm) tm_ = *tm;
return tm != FMT_NULL;
}
};
@ -134,23 +92,21 @@ inline std::tm gmtime(std::time_t time)
}
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);
}
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);
}
} // namespace internal
}
template <typename Char>
struct formatter<std::tm, Char>
{
struct formatter<std::tm, Char> {
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);
if (*it == ':')
++it;
@ -165,21 +121,18 @@ struct formatter<std::tm, Char>
}
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());
std::size_t start = buf.size();
for (;;)
{
for (;;) {
std::size_t size = buf.capacity() - start;
std::size_t count = internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0)
{
std::size_t count =
internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0) {
buf.resize(start + count);
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
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases: