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Commit 6312748c authored by gabime's avatar gabime
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updated bundled fmt to version 1fb0586b065c4202e976528a6bdc6384dc56dc04

parent 87d79eb9
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Showing with 658 additions and 1330 deletions
include/spdlog/fmt/bundled/format.cc
View file @ 6312748c
......@@ -25,9 +25,9 @@
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Commented out by spdlog to use header only
// #include "fmt/format.h"
// #include "fmt/printf.h"
// Commented out by spdlog to use header only
// #include "fmt/format.h"
// #include "fmt/printf.h"
#include <string.h>
......
include/spdlog/fmt/bundled/format.h
View file @ 6312748c
......@@ -244,13 +244,10 @@ typedef __int64 intmax_t;
#if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL)
# include <intrin.h> // _BitScanReverse, _BitScanReverse64
namespace fmt
{
namespace internal
{
namespace fmt {
namespace internal {
# pragma intrinsic(_BitScanReverse)
inline uint32_t clz(uint32_t x)
{
inline uint32_t clz(uint32_t x) {
unsigned long r = 0;
_BitScanReverse(&r, x);
......@@ -267,8 +264,7 @@ inline uint32_t clz(uint32_t x)
# pragma intrinsic(_BitScanReverse64)
# endif
inline uint32_t clzll(uint64_t x)
{
inline uint32_t clzll(uint64_t x) {
unsigned long r = 0;
# ifdef _WIN64
_BitScanReverse64(&r, x);
......@@ -293,78 +289,47 @@ inline uint32_t clzll(uint64_t x)
}
#endif
namespace fmt
{
namespace internal
{
struct DummyInt
{
namespace fmt {
namespace internal {
struct DummyInt {
int data[2];
operator int() const
{
return 0;
}
operator int() const { return 0; }
};
typedef std::numeric_limits<fmt::internal::DummyInt> FPUtil;
// Dummy implementations of system functions such as signbit and ecvt called
// if the latter are not available.
inline DummyInt signbit(...)
{
return DummyInt();
}
inline DummyInt _ecvt_s(...)
{
return DummyInt();
}
inline DummyInt isinf(...)
{
return DummyInt();
}
inline DummyInt _finite(...)
{
return DummyInt();
}
inline DummyInt isnan(...)
{
return DummyInt();
}
inline DummyInt _isnan(...)
{
return DummyInt();
}
inline DummyInt signbit(...) { return DummyInt(); }
inline DummyInt _ecvt_s(...) { return DummyInt(); }
inline DummyInt isinf(...) { return DummyInt(); }
inline DummyInt _finite(...) { return DummyInt(); }
inline DummyInt isnan(...) { return DummyInt(); }
inline DummyInt _isnan(...) { return DummyInt(); }
// A helper function to suppress bogus "conditional expression is constant"
// warnings.
template <typename T>
inline T const_check(T value)
{
return value;
}
inline T const_check(T value) { return value; }
}
} // namespace fmt
namespace std
{
namespace std {
// Standard permits specialization of std::numeric_limits. This specialization
// is used to resolve ambiguity between isinf and std::isinf in glibc:
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48891
// and the same for isnan and signbit.
template <>
class numeric_limits<fmt::internal::DummyInt> :
public std::numeric_limits<int>
{
public:
public std::numeric_limits<int> {
public:
// Portable version of isinf.
template <typename T>
static bool isinfinity(T x)
{
static bool isinfinity(T x) {
using namespace fmt::internal;
// The resolution "priority" is:
// isinf macro > std::isinf > ::isinf > fmt::internal::isinf
if (const_check(sizeof(isinf(x)) == sizeof(bool) ||
sizeof(isinf(x)) == sizeof(int)))
{
sizeof(isinf(x)) == sizeof(int))) {
return isinf(x) != 0;
}
return !_finite(static_cast<double>(x));
......@@ -372,20 +337,17 @@ public:
// Portable version of isnan.
template <typename T>
static bool isnotanumber(T x)
{
static bool isnotanumber(T x) {
using namespace fmt::internal;
if (const_check(sizeof(isnan(x)) == sizeof(bool) ||
sizeof(isnan(x)) == sizeof(int)))
{
sizeof(isnan(x)) == sizeof(int))) {
return isnan(x) != 0;
}
return _isnan(static_cast<double>(x)) != 0;
}
// Portable version of signbit.
static bool isnegative(double x)
{
static bool isnegative(double x) {
using namespace fmt::internal;
if (const_check(sizeof(signbit(x)) == sizeof(int)))
return signbit(x) != 0;
......@@ -399,8 +361,7 @@ public:
};
} // namespace std
namespace fmt
{
namespace fmt {
// Fix the warning about long long on older versions of GCC
// that don't support the diagnostic pragma.
......@@ -452,13 +413,12 @@ class BasicFormatter;
\endrst
*/
template <typename Char>
class BasicStringRef
{
private:
class BasicStringRef {
private:
const Char *data_;
std::size_t size_;
public:
public:
/** Constructs a string reference object from a C string and a size. */
BasicStringRef(const Char *s, std::size_t size) : data_(s), size_(size) {}
......@@ -484,26 +444,18 @@ public:
Converts a string reference to an ``std::string`` object.
\endrst
*/
std::basic_string<Char> to_string() const
{
std::basic_string<Char> to_string() const {
return std::basic_string<Char>(data_, size_);
}
/** Returns a pointer to the string data. */
const Char *data() const
{
return data_;
}
const Char *data() const { return data_; }
/** Returns the string size. */
std::size_t size() const
{
return size_;
}
std::size_t size() const { return size_; }
// Lexicographically compare this string reference to other.
int compare(BasicStringRef other) const
{
int compare(BasicStringRef other) const {
std::size_t size = size_ < other.size_ ? size_ : other.size_;
int result = std::char_traits<Char>::compare(data_, other.data_, size);
if (result == 0)
......@@ -511,28 +463,22 @@ public:
return result;
}
friend bool operator==(BasicStringRef lhs, BasicStringRef rhs)
{
friend bool operator==(BasicStringRef lhs, BasicStringRef rhs) {
return lhs.compare(rhs) == 0;
}
friend bool operator!=(BasicStringRef lhs, BasicStringRef rhs)
{
friend bool operator!=(BasicStringRef lhs, BasicStringRef rhs) {
return lhs.compare(rhs) != 0;
}
friend bool operator<(BasicStringRef lhs, BasicStringRef rhs)
{
friend bool operator<(BasicStringRef lhs, BasicStringRef rhs) {
return lhs.compare(rhs) < 0;
}
friend bool operator<=(BasicStringRef lhs, BasicStringRef rhs)
{
friend bool operator<=(BasicStringRef lhs, BasicStringRef rhs) {
return lhs.compare(rhs) <= 0;
}
friend bool operator>(BasicStringRef lhs, BasicStringRef rhs)
{
friend bool operator>(BasicStringRef lhs, BasicStringRef rhs) {
return lhs.compare(rhs) > 0;
}
friend bool operator>=(BasicStringRef lhs, BasicStringRef rhs)
{
friend bool operator>=(BasicStringRef lhs, BasicStringRef rhs) {
return lhs.compare(rhs) >= 0;
}
};
......@@ -566,12 +512,11 @@ typedef BasicStringRef<wchar_t> WStringRef;
\endrst
*/
template <typename Char>
class BasicCStringRef
{
private:
class BasicCStringRef {
private:
const Char *data_;
public:
public:
/** Constructs a string reference object from a C string. */
BasicCStringRef(const Char *s) : data_(s) {}
......@@ -583,33 +528,25 @@ public:
BasicCStringRef(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 BasicCStringRef<char> CStringRef;
typedef BasicCStringRef<wchar_t> WCStringRef;
/** A formatting error such as invalid format string. */
class FormatError : public std::runtime_error
{
public:
class FormatError : public std::runtime_error {
public:
explicit FormatError(CStringRef message)
: std::runtime_error(message.c_str()) {}
~FormatError() throw();
};
namespace internal
{
namespace internal {
// MakeUnsigned<T>::Type gives an unsigned type corresponding to integer type T.
template <typename T>
struct MakeUnsigned
{
typedef T Type;
};
struct MakeUnsigned { typedef T Type; };
#define FMT_SPECIALIZE_MAKE_UNSIGNED(T, U) \
template <> \
......@@ -624,8 +561,7 @@ FMT_SPECIALIZE_MAKE_UNSIGNED(LongLong, ULongLong);
// Casts nonnegative integer to unsigned.
template <typename Int>
inline typename MakeUnsigned<Int>::Type to_unsigned(Int value)
{
inline typename MakeUnsigned<Int>::Type to_unsigned(Int value) {
FMT_ASSERT(value >= 0, "negative value");
return static_cast<typename MakeUnsigned<Int>::Type>(value);
}
......@@ -637,16 +573,12 @@ enum { INLINE_BUFFER_SIZE = 500 };
#if FMT_SECURE_SCL
// Use checked iterator to avoid warnings on MSVC.
template <typename T>
inline stdext::checked_array_iterator<T*> make_ptr(T *ptr, std::size_t size)
{
inline stdext::checked_array_iterator<T*> make_ptr(T *ptr, std::size_t size) {
return stdext::checked_array_iterator<T*>(ptr, size);
}
#else
template <typename T>
inline T *make_ptr(T *ptr, std::size_t)
{
return ptr;
}
inline T *make_ptr(T *ptr, std::size_t) { return ptr; }
#endif
} // namespace internal
......@@ -656,12 +588,11 @@ inline T *make_ptr(T *ptr, std::size_t)
\endrst
*/
template <typename T>
class Buffer
{
private:
class Buffer {
private:
FMT_DISALLOW_COPY_AND_ASSIGN(Buffer);
protected:
protected:
T *ptr_;
std::size_t size_;
std::size_t capacity_;
......@@ -677,26 +608,19 @@ protected:
*/
virtual void grow(std::size_t size) = 0;
public:
public:
virtual ~Buffer() {}
/** Returns the size of this buffer. */
std::size_t size() const
{
return size_;
}
std::size_t size() const { return size_; }
/** Returns the capacity of this buffer. */
std::size_t capacity() const
{
return capacity_;
}
std::size_t capacity() const { return capacity_; }
/**
Resizes the buffer. If T is a POD type new elements may not be initialized.
*/
void resize(std::size_t new_size)
{
void resize(std::size_t new_size) {
if (new_size > capacity_)
grow(new_size);
size_ = new_size;
......@@ -707,16 +631,14 @@ public:
Reserves space to store at least *capacity* elements.
\endrst
*/
void reserve(std::size_t capacity)
{
void reserve(std::size_t capacity) {
if (capacity > capacity_)
grow(capacity);
}
void clear() FMT_NOEXCEPT { size_ = 0; }
void push_back(const T &value)
{
void push_back(const T &value) {
if (size_ == capacity_)
grow(size_ + 1);
ptr_[size_++] = value;
......@@ -726,20 +648,13 @@ public:
template <typename U>
void append(const U *begin, const U *end);
T &operator[](std::size_t index)
{
return ptr_[index];
}
const T &operator[](std::size_t index) const
{
return ptr_[index];
}
T &operator[](std::size_t index) { return ptr_[index]; }
const T &operator[](std::size_t index) const { return ptr_[index]; }
};
template <typename T>
template <typename U>
void Buffer<T>::append(const U *begin, const U *end)
{
void Buffer<T>::append(const U *begin, const U *end) {
std::size_t new_size = size_ + internal::to_unsigned(end - begin);
if (new_size > capacity_)
grow(new_size);
......@@ -748,51 +663,41 @@ void Buffer<T>::append(const U *begin, const U *end)
size_ = new_size;
}
namespace internal
{
namespace internal {
// A memory buffer for trivially copyable/constructible types with the first
// SIZE elements stored in the object itself.
template <typename T, std::size_t SIZE, typename Allocator = std::allocator<T> >
class MemoryBuffer : private Allocator, public Buffer<T>
{
private:
class MemoryBuffer : private Allocator, public Buffer<T> {
private:
T data_[SIZE];
// Deallocate memory allocated by the buffer.
void deallocate()
{
void deallocate() {
if (this->ptr_ != data_) Allocator::deallocate(this->ptr_, this->capacity_);
}
protected:
protected:
void grow(std::size_t size);
public:
public:
explicit MemoryBuffer(const Allocator &alloc = Allocator())
: Allocator(alloc), Buffer<T>(data_, SIZE) {}
~MemoryBuffer()
{
deallocate();
}
~MemoryBuffer() { deallocate(); }
#if FMT_USE_RVALUE_REFERENCES
private:
private:
// Move data from other to this buffer.
void move(MemoryBuffer &other)
{
void move(MemoryBuffer &other) {
Allocator &this_alloc = *this, &other_alloc = other;
this_alloc = std::move(other_alloc);
this->size_ = other.size_;
this->capacity_ = other.capacity_;
if (other.ptr_ == other.data_)
{
if (other.ptr_ == other.data_) {
this->ptr_ = data_;
std::uninitialized_copy(other.data_, other.data_ + this->size_,
make_ptr(data_, this->capacity_));
}
else
{
} else {
this->ptr_ = other.ptr_;
// Set pointer to the inline array so that delete is not called
// when deallocating.
......@@ -800,14 +705,12 @@ private:
}
}
public:
MemoryBuffer(MemoryBuffer &&other)
{
public:
MemoryBuffer(MemoryBuffer &&other) {
move(other);
}
MemoryBuffer &operator=(MemoryBuffer &&other)
{
MemoryBuffer &operator=(MemoryBuffer &&other) {
assert(this != &other);
deallocate();
move(other);
......@@ -816,15 +719,11 @@ public:
#endif
// Returns a copy of the allocator associated with this buffer.
Allocator get_allocator() const
{
return *this;
}
Allocator get_allocator() const { return *this; }
};
template <typename T, std::size_t SIZE, typename Allocator>
void MemoryBuffer<T, SIZE, Allocator>::grow(std::size_t size)
{
void MemoryBuffer<T, SIZE, Allocator>::grow(std::size_t size) {
std::size_t new_capacity = this->capacity_ + this->capacity_ / 2;
if (size > new_capacity)
new_capacity = size;
......@@ -845,45 +744,36 @@ void MemoryBuffer<T, SIZE, Allocator>::grow(std::size_t size)
// A fixed-size buffer.
template <typename Char>
class FixedBuffer : public fmt::Buffer<Char>
{
public:
class FixedBuffer : public fmt::Buffer<Char> {
public:
FixedBuffer(Char *array, std::size_t size) : fmt::Buffer<Char>(array, size) {}
protected:
protected:
FMT_API void grow(std::size_t size);
};
template <typename Char>
class BasicCharTraits
{
public:
class BasicCharTraits {
public:
#if FMT_SECURE_SCL
typedef stdext::checked_array_iterator<Char*> CharPtr;
#else
typedef Char *CharPtr;
#endif
static Char cast(int value)
{
return static_cast<Char>(value);
}
static Char cast(int value) { return static_cast<Char>(value); }
};
template <typename Char>
class CharTraits;
template <>
class CharTraits<char> : public BasicCharTraits<char>
{
private:
class CharTraits<char> : public BasicCharTraits<char> {
private:
// Conversion from wchar_t to char is not allowed.
static char convert(wchar_t);
public:
static char convert(char value)
{
return value;
}
public:
static char convert(char value) { return value; }
// Formats a floating-point number.
template <typename T>
......@@ -892,17 +782,10 @@ public:
};
template <>
class CharTraits<wchar_t> : public BasicCharTraits<wchar_t>
{
public:
static wchar_t convert(char value)
{
return value;
}
static wchar_t convert(wchar_t value)
{
return value;
}
class CharTraits<wchar_t> : public BasicCharTraits<wchar_t> {
public:
static wchar_t convert(char value) { return value; }
static wchar_t convert(wchar_t value) { return value; }
template <typename T>
FMT_API static int format_float(wchar_t *buffer, std::size_t size,
......@@ -911,49 +794,33 @@ public:
// Checks if a number is negative - used to avoid warnings.
template <bool IsSigned>
struct SignChecker
{
struct SignChecker {
template <typename T>
static bool is_negative(T value)
{
return value < 0;
}
static bool is_negative(T value) { return value < 0; }
};
template <>
struct SignChecker<false>
{
struct SignChecker<false> {
template <typename T>
static bool is_negative(T)
{
return false;
}
static bool is_negative(T) { return false; }
};
// Returns true if value is negative, false otherwise.
// Same as (value < 0) but doesn't produce warnings if T is an unsigned type.
template <typename T>
inline bool is_negative(T value)
{
inline bool is_negative(T value) {
return SignChecker<std::numeric_limits<T>::is_signed>::is_negative(value);
}
// Selects uint32_t if FitsIn32Bits is true, uint64_t otherwise.
template <bool FitsIn32Bits>
struct TypeSelector
{
typedef uint32_t Type;
};
struct TypeSelector { typedef uint32_t Type; };
template <>
struct TypeSelector<false>
{
typedef uint64_t Type;
};
struct TypeSelector<false> { typedef uint64_t Type; };
template <typename T>
struct IntTraits
{
struct IntTraits {
// Smallest of uint32_t and uint64_t that is large enough to represent
// all values of T.
typedef typename
......@@ -965,8 +832,7 @@ FMT_API void report_unknown_type(char code, const char *type);
// Static data is placed in this class template to allow header-only
// configuration.
template <typename T = void>
struct FMT_API BasicData
{
struct FMT_API BasicData {
static const uint32_t POWERS_OF_10_32[];
static const uint64_t POWERS_OF_10_64[];
static const char DIGITS[];
......@@ -987,8 +853,7 @@ typedef BasicData<> Data;
#ifdef FMT_BUILTIN_CLZLL
// Returns the number of decimal digits in n. Leading zeros are not counted
// except for n == 0 in which case count_digits returns 1.
inline unsigned count_digits(uint64_t n)
{
inline unsigned count_digits(uint64_t n) {
// Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10
// and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits.
int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12;
......@@ -996,11 +861,9 @@ inline unsigned count_digits(uint64_t n)
}
#else
// Fallback version of count_digits used when __builtin_clz is not available.
inline unsigned count_digits(uint64_t n)
{
inline unsigned count_digits(uint64_t n) {
unsigned count = 1;
for (;;)
{
for (;;) {
// Integer division is slow so do it for a group of four digits instead
// of for every digit. The idea comes from the talk by Alexandrescu
// "Three Optimization Tips for C++". See speed-test for a comparison.
......@@ -1016,35 +879,31 @@ inline unsigned count_digits(uint64_t n)
#ifdef FMT_BUILTIN_CLZ
// Optional version of count_digits for better performance on 32-bit platforms.
inline unsigned count_digits(uint32_t n)
{
inline unsigned count_digits(uint32_t n) {
int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12;
return to_unsigned(t) - (n < Data::POWERS_OF_10_32[t]) + 1;
}
#endif
// A functor that doesn't add a thousands separator.
struct NoThousandsSep
{
struct NoThousandsSep {
template <typename Char>
void operator()(Char *) {}
};
// A functor that adds a thousands separator.
class ThousandsSep
{
private:
class ThousandsSep {
private:
fmt::StringRef sep_;
// Index of a decimal digit with the least significant digit having index 0.
unsigned digit_index_;
public:
public:
explicit ThousandsSep(fmt::StringRef sep) : sep_(sep), digit_index_(0) {}
template <typename Char>
void operator()(Char *&buffer)
{
void operator()(Char *&buffer) {
if (++digit_index_ % 3 != 0)
return;
buffer -= sep_.size();
......@@ -1058,11 +917,9 @@ public:
// add a thousands separator if necessary.
template <typename UInt, typename Char, typename ThousandsSep>
inline void format_decimal(Char *buffer, UInt value, unsigned num_digits,
ThousandsSep thousands_sep)
{
ThousandsSep thousands_sep) {
buffer += num_digits;
while (value >= 100)
{
while (value >= 100) {
// Integer division is slow so do it for a group of two digits instead
// of for every digit. The idea comes from the talk by Alexandrescu
// "Three Optimization Tips for C++". See speed-test for a comparison.
......@@ -1073,8 +930,7 @@ inline void format_decimal(Char *buffer, UInt value, unsigned num_digits,
*--buffer = Data::DIGITS[index];
thousands_sep(buffer);
}
if (value < 10)
{
if (value < 10) {
*--buffer = static_cast<char>('0' + value);
return;
}
......@@ -1085,8 +941,7 @@ inline void format_decimal(Char *buffer, UInt value, unsigned num_digits,
}
template <typename UInt, typename Char>
inline void format_decimal(Char *buffer, UInt value, unsigned num_digits)
{
inline void format_decimal(Char *buffer, UInt value, unsigned num_digits) {
return format_decimal(buffer, value, num_digits, NoThousandsSep());
}
......@@ -1101,57 +956,31 @@ inline void format_decimal(Char *buffer, UInt value, unsigned num_digits)
#if FMT_USE_WINDOWS_H
// A converter from UTF-8 to UTF-16.
// It is only provided for Windows since other systems support UTF-8 natively.
class UTF8ToUTF16
{
private:
class UTF8ToUTF16 {
private:
MemoryBuffer<wchar_t, INLINE_BUFFER_SIZE> buffer_;
public:
public:
FMT_API explicit UTF8ToUTF16(StringRef s);
operator WStringRef() const
{
return WStringRef(&buffer_[0], size());
}
size_t size() const
{
return buffer_.size() - 1;
}
const wchar_t *c_str() const
{
return &buffer_[0];
}
std::wstring str() const
{
return std::wstring(&buffer_[0], size());
}
operator WStringRef() const { return WStringRef(&buffer_[0], size()); }
size_t size() const { return buffer_.size() - 1; }
const wchar_t *c_str() const { return &buffer_[0]; }
std::wstring str() const { return std::wstring(&buffer_[0], size()); }
};
// A converter from UTF-16 to UTF-8.
// It is only provided for Windows since other systems support UTF-8 natively.
class UTF16ToUTF8
{
private:
class UTF16ToUTF8 {
private:
MemoryBuffer<char, INLINE_BUFFER_SIZE> buffer_;
public:
public:
UTF16ToUTF8() {}
FMT_API explicit UTF16ToUTF8(WStringRef s);
operator StringRef() const
{
return StringRef(&buffer_[0], size());
}
size_t size() const
{
return buffer_.size() - 1;
}
const char *c_str() const
{
return &buffer_[0];
}
std::string str() const
{
return std::string(&buffer_[0], size());
}
operator StringRef() const { return StringRef(&buffer_[0], size()); }
size_t size() const { return buffer_.size() - 1; }
const char *c_str() const { return &buffer_[0]; }
std::string str() const { return std::string(&buffer_[0], size()); }
// Performs conversion returning a system error code instead of
// throwing exception on conversion error. This method may still throw
......@@ -1164,11 +993,9 @@ FMT_API void format_windows_error(fmt::Writer &out, int error_code,
#endif
// A formatting argument value.
struct Value
{
struct Value {
template <typename Char>
struct StringValue
{
struct StringValue {
const Char *value;
std::size_t size;
};
......@@ -1176,14 +1003,12 @@ struct Value
typedef void (*FormatFunc)(
void *formatter, const void *arg, void *format_str_ptr);
struct CustomValue
{
struct CustomValue {
const void *value;
FormatFunc format;
};
union
{
union {
int int_value;
unsigned uint_value;
LongLong long_long_value;
......@@ -1198,8 +1023,7 @@ struct Value
CustomValue custom;
};
enum Type
{
enum Type {
NONE, NAMED_ARG,
// Integer types should go first,
INT, UINT, LONG_LONG, ULONG_LONG, BOOL, CHAR, LAST_INTEGER_TYPE = CHAR,
......@@ -1211,8 +1035,7 @@ struct Value
// A formatting argument. It is a trivially copyable/constructible type to
// allow storage in internal::MemoryBuffer.
struct Arg : Value
{
struct Arg : Value {
Type type;
};
......@@ -1225,15 +1048,13 @@ struct Null {};
// A helper class template to enable or disable overloads taking wide
// characters and strings in MakeValue.
template <typename T, typename Char>
struct WCharHelper
{
struct WCharHelper {
typedef Null<T> Supported;
typedef T Unsupported;
};
template <typename T>
struct WCharHelper<T, wchar_t>
{
struct WCharHelper<T, wchar_t> {
typedef T Supported;
typedef Null<T> Unsupported;
};
......@@ -1249,30 +1070,25 @@ Yes &convert(fmt::ULongLong);
No &convert(...);
template<typename T, bool ENABLE_CONVERSION>
struct ConvertToIntImpl
{
struct ConvertToIntImpl {
enum { value = ENABLE_CONVERSION };
};
template<typename T, bool ENABLE_CONVERSION>
struct ConvertToIntImpl2
{
struct ConvertToIntImpl2 {
enum { value = false };
};
template<typename T>
struct ConvertToIntImpl2<T, true>
{
enum
{
struct ConvertToIntImpl2<T, true> {
enum {
// Don't convert numeric types.
value = ConvertToIntImpl<T, !std::numeric_limits<T>::is_specialized>::value
};
};
template<typename T>
struct ConvertToInt
{
struct ConvertToInt {
enum { enable_conversion = sizeof(convert(get<T>())) == sizeof(Yes) };
enum { value = ConvertToIntImpl2<T, enable_conversion>::value };
};
......@@ -1290,38 +1106,25 @@ template<bool B, class T = void>
struct EnableIf {};
template<class T>
struct EnableIf<true, T>
{
typedef T type;
};
struct EnableIf<true, T> { typedef T type; };
template<bool B, class T, class F>
struct Conditional
{
typedef T type;
};
struct Conditional { typedef T type; };
template<class T, class F>
struct Conditional<false, T, F>
{
typedef F type;
};
struct Conditional<false, T, F> { typedef F type; };
// For bcc32 which doesn't understand ! in template arguments.
template<bool>
struct Not
{
enum { value = 0 };
};
template <bool>
struct Not { enum { value = 0 }; };
template<>
struct Not<false>
{
enum { value = 1 };
};
template <>
struct Not<false> { enum { value = 1 }; };
template <typename T>
struct False { enum { value = 0 }; };
template<typename T, T> struct LConvCheck
{
template <typename T, T> struct LConvCheck {
LConvCheck(int) {}
};
......@@ -1330,24 +1133,48 @@ template<typename T, T> struct LConvCheck
// ``lconv`` is stubbed as an empty struct.
template <typename LConv>
inline StringRef thousands_sep(
LConv *lc, LConvCheck<char *LConv::*, &LConv::thousands_sep> = 0)
{
LConv *lc, LConvCheck<char *LConv::*, &LConv::thousands_sep> = 0) {
return lc->thousands_sep;
}
inline fmt::StringRef thousands_sep(...)
{
return "";
inline fmt::StringRef thousands_sep(...) { return ""; }
#define FMT_CONCAT(a, b) a##b
#if FMT_GCC_VERSION >= 407
# define FMT_UNUSED __attribute__((unused))
#else
# define FMT_UNUSED
#endif
#ifndef FMT_USE_STATIC_ASSERT
# define FMT_USE_STATIC_ASSERT 0
#endif
#if FMT_USE_STATIC_ASSERT || FMT_HAS_FEATURE(cxx_static_assert) || \
(FMT_GCC_VERSION >= 403 && FMT_HAS_GXX_CXX11) || _MSC_VER >= 1600
# define FMT_STATIC_ASSERT(cond, message) static_assert(cond, message)
#else
# define FMT_CONCAT_(a, b) FMT_CONCAT(a, b)
# define FMT_STATIC_ASSERT(cond, message) \
typedef int FMT_CONCAT_(Assert, __LINE__)[(cond) ? 1 : -1] FMT_UNUSED
#endif
template <typename Formatter, typename Char, typename T>
void format_arg(Formatter &, const Char *, const T &) {
FMT_STATIC_ASSERT(False<T>::value,
"Cannot format argument. To enable the use of ostream "
"operator<< include fmt/ostream.h. Otherwise provide "
"an overload of format_arg.");
}
// Makes an Arg object from any type.
template <typename Formatter>
class MakeValue : public Arg
{
public:
class MakeValue : public Arg {
public:
typedef typename Formatter::Char Char;
private:
private:
// The following two methods are private to disallow formatting of
// arbitrary pointers. If you want to output a pointer cast it to
// "void *" or "const void *". In particular, this forbids formatting
......@@ -1370,14 +1197,12 @@ private:
MakeValue(typename WCharHelper<const std::wstring &, Char>::Unsupported);
MakeValue(typename WCharHelper<WStringRef, Char>::Unsupported);
void set_string(StringRef str)
{
void set_string(StringRef str) {
string.value = str.data();
string.size = str.size();
}
void set_string(WStringRef str)
{
void set_string(WStringRef str) {
wstring.value = str.data();
wstring.size = str.size();
}
......@@ -1385,14 +1210,13 @@ private:
// Formats an argument of a custom type, such as a user-defined class.
template <typename T>
static void format_custom_arg(
void *formatter, const void *arg, void *format_str_ptr)
{
format(*static_cast<Formatter*>(formatter),
void *formatter, const void *arg, void *format_str_ptr) {
format_arg(*static_cast<Formatter*>(formatter),
*static_cast<const Char**>(format_str_ptr),
*static_cast<const T*>(arg));
}
public:
public:
MakeValue() {}
#define FMT_MAKE_VALUE_(Type, field, TYPE, rhs) \
......@@ -1408,8 +1232,7 @@ public:
FMT_MAKE_VALUE(int, int_value, INT)
FMT_MAKE_VALUE(unsigned, uint_value, UINT)
MakeValue(long value)
{
MakeValue(long value) {
// To minimize the number of types we need to deal with, long is
// translated either to int or to long long depending on its size.
if (const_check(sizeof(long) == sizeof(int)))
......@@ -1417,20 +1240,17 @@ public:
else
long_long_value = value;
}
static uint64_t type(long)
{
static uint64_t type(long) {
return sizeof(long) == sizeof(int) ? Arg::INT : Arg::LONG_LONG;
}
MakeValue(unsigned long value)
{
MakeValue(unsigned long value) {
if (const_check(sizeof(unsigned long) == sizeof(unsigned)))
uint_value = static_cast<unsigned>(value);
else
ulong_long_value = value;
}
static uint64_t type(unsigned long)
{
static uint64_t type(unsigned long) {
return sizeof(unsigned long) == sizeof(unsigned) ?
Arg::UINT : Arg::ULONG_LONG;
}
......@@ -1445,14 +1265,10 @@ public:
FMT_MAKE_VALUE(char, int_value, CHAR)
#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
MakeValue(typename WCharHelper<wchar_t, Char>::Supported value)
{
MakeValue(typename WCharHelper<wchar_t, Char>::Supported value) {
int_value = value;
}
static uint64_t type(wchar_t)
{
return Arg::CHAR;
}
static uint64_t type(wchar_t) { return Arg::CHAR; }
#endif
#define FMT_MAKE_STR_VALUE(Type, TYPE) \
......@@ -1461,7 +1277,9 @@ public:
FMT_MAKE_VALUE(char *, string.value, CSTRING)
FMT_MAKE_VALUE(const char *, string.value, CSTRING)
FMT_MAKE_VALUE(signed char *, sstring.value, CSTRING)
FMT_MAKE_VALUE(const signed char *, sstring.value, CSTRING)
FMT_MAKE_VALUE(unsigned char *, ustring.value, CSTRING)
FMT_MAKE_VALUE(const unsigned char *, ustring.value, CSTRING)
FMT_MAKE_STR_VALUE(const std::string &, STRING)
FMT_MAKE_STR_VALUE(StringRef, STRING)
......@@ -1484,60 +1302,47 @@ public:
template <typename T>
MakeValue(const T &value,
typename EnableIf<Not<
ConvertToInt<T>::value>::value, int>::type = 0)
{
ConvertToInt<T>::value>::value, int>::type = 0) {
custom.value = &value;
custom.format = &format_custom_arg<T>;
}
template <typename T>
MakeValue(const T &value,
typename EnableIf<ConvertToInt<T>::value, int>::type = 0)
{
typename EnableIf<ConvertToInt<T>::value, int>::type = 0) {
int_value = value;
}
template <typename T>
static uint64_t type(const T &)
{
static uint64_t type(const T &) {
return ConvertToInt<T>::value ? Arg::INT : Arg::CUSTOM;
}
// Additional template param `Char_` is needed here because make_type always
// uses char.
template <typename Char_>
MakeValue(const NamedArg<Char_> &value)
{
pointer = &value;
}
MakeValue(const NamedArg<Char_> &value) { pointer = &value; }
template <typename Char_>
static uint64_t type(const NamedArg<Char_> &)
{
return Arg::NAMED_ARG;
}
static uint64_t type(const NamedArg<Char_> &) { return Arg::NAMED_ARG; }
};
template <typename Formatter>
class MakeArg : public Arg
{
class MakeArg : public Arg {
public:
MakeArg()
{
MakeArg() {
type = Arg::NONE;
}
template <typename T>
MakeArg(const T &value)
: Arg(MakeValue<Formatter>(value))
{
: Arg(MakeValue<Formatter>(value)) {
type = static_cast<Arg::Type>(MakeValue<Formatter>::type(value));
}
};
template <typename Char>
struct NamedArg : Arg
{
struct NamedArg : Arg {
BasicStringRef<Char> name;
template <typename T>
......@@ -1545,9 +1350,8 @@ struct NamedArg : Arg
: Arg(MakeArg< BasicFormatter<Char> >(value)), name(argname) {}
};
class RuntimeError : public std::runtime_error
{
protected:
class RuntimeError : public std::runtime_error {
protected:
RuntimeError() : std::runtime_error("") {}
~RuntimeError() throw();
};
......@@ -1557,14 +1361,12 @@ class ArgMap;
} // namespace internal
/** An argument list. */
class ArgList
{
private:
class ArgList {
private:
// To reduce compiled code size per formatting function call, types of first
// MAX_PACKED_ARGS arguments are passed in the types_ field.
uint64_t types_;
union
{
union {
// If the number of arguments is less than MAX_PACKED_ARGS, the argument
// values are stored in values_, otherwise they are stored in args_.
// This is done to reduce compiled code size as storing larger objects
......@@ -1574,8 +1376,7 @@ private:
const internal::Arg *args_;
};
internal::Arg::Type type(unsigned index) const
{
internal::Arg::Type type(unsigned index) const {
unsigned shift = index * 4;
uint64_t mask = 0xf;
return static_cast<internal::Arg::Type>(
......@@ -1585,7 +1386,7 @@ private:
template <typename Char>
friend class internal::ArgMap;
public:
public:
// Maximum number of arguments with packed types.
enum { MAX_PACKED_ARGS = 16 };
......@@ -1597,13 +1398,11 @@ public:
: types_(types), args_(args) {}
/** Returns the argument at specified index. */
internal::Arg operator[](unsigned index) const
{
internal::Arg operator[](unsigned index) const {
using internal::Arg;
Arg arg;
bool use_values = type(MAX_PACKED_ARGS - 1) == Arg::NONE;
if (index < MAX_PACKED_ARGS)
{
if (index < MAX_PACKED_ARGS) {
Arg::Type arg_type = type(index);
internal::Value &val = arg;
if (arg_type != Arg::NONE)
......@@ -1611,15 +1410,13 @@ public:
arg.type = arg_type;
return arg;
}
if (use_values)
{
if (use_values) {
// The index is greater than the number of arguments that can be stored
// in values, so return a "none" argument.
arg.type = Arg::NONE;
return arg;
}
for (unsigned i = MAX_PACKED_ARGS; i <= index; ++i)
{
for (unsigned i = MAX_PACKED_ARGS; i <= index; ++i) {
if (args_[i].type == Arg::NONE)
return args_[i];
}
......@@ -1654,109 +1451,92 @@ public:
\endrst
*/
template <typename Impl, typename Result>
class ArgVisitor
{
private:
class ArgVisitor {
private:
typedef internal::Arg Arg;
public:
public:
void report_unhandled_arg() {}
Result visit_unhandled_arg()
{
Result visit_unhandled_arg() {
FMT_DISPATCH(report_unhandled_arg());
return Result();
}
/** Visits an ``int`` argument. **/
Result visit_int(int value)
{
Result visit_int(int value) {
return FMT_DISPATCH(visit_any_int(value));
}
/** Visits a ``long long`` argument. **/
Result visit_long_long(LongLong value)
{
Result visit_long_long(LongLong value) {
return FMT_DISPATCH(visit_any_int(value));
}
/** Visits an ``unsigned`` argument. **/
Result visit_uint(unsigned value)
{
Result visit_uint(unsigned value) {
return FMT_DISPATCH(visit_any_int(value));
}
/** Visits an ``unsigned long long`` argument. **/
Result visit_ulong_long(ULongLong value)
{
Result visit_ulong_long(ULongLong value) {
return FMT_DISPATCH(visit_any_int(value));
}
/** Visits a ``bool`` argument. **/
Result visit_bool(bool value)
{
Result visit_bool(bool value) {
return FMT_DISPATCH(visit_any_int(value));
}
/** Visits a ``char`` or ``wchar_t`` argument. **/
Result visit_char(int value)
{
Result visit_char(int value) {
return FMT_DISPATCH(visit_any_int(value));
}
/** Visits an argument of any integral type. **/
template <typename T>
Result visit_any_int(T)
{
Result visit_any_int(T) {
return FMT_DISPATCH(visit_unhandled_arg());
}
/** Visits a ``double`` argument. **/
Result visit_double(double value)
{
Result visit_double(double value) {
return FMT_DISPATCH(visit_any_double(value));
}
/** Visits a ``long double`` argument. **/
Result visit_long_double(long double value)
{
Result visit_long_double(long double value) {
return FMT_DISPATCH(visit_any_double(value));
}
/** Visits a ``double`` or ``long double`` argument. **/
template <typename T>
Result visit_any_double(T)
{
Result visit_any_double(T) {
return FMT_DISPATCH(visit_unhandled_arg());
}
/** Visits a null-terminated C string (``const char *``) argument. **/
Result visit_cstring(const char *)
{
Result visit_cstring(const char *) {
return FMT_DISPATCH(visit_unhandled_arg());
}
/** Visits a string argument. **/
Result visit_string(Arg::StringValue<char>)
{
Result visit_string(Arg::StringValue<char>) {
return FMT_DISPATCH(visit_unhandled_arg());
}
/** Visits a wide string argument. **/
Result visit_wstring(Arg::StringValue<wchar_t>)
{
Result visit_wstring(Arg::StringValue<wchar_t>) {
return FMT_DISPATCH(visit_unhandled_arg());
}
/** Visits a pointer argument. **/
Result visit_pointer(const void *)
{
Result visit_pointer(const void *) {
return FMT_DISPATCH(visit_unhandled_arg());
}
/** Visits an argument of a custom (user-defined) type. **/
Result visit_custom(Arg::CustomValue)
{
Result visit_custom(Arg::CustomValue) {
return FMT_DISPATCH(visit_unhandled_arg());
}
......@@ -1768,10 +1548,8 @@ public:
called.
\endrst
*/
Result visit(const Arg &arg)
{
switch (arg.type)
{
Result visit(const Arg &arg) {
switch (arg.type) {
case Arg::NONE:
case Arg::NAMED_ARG:
FMT_ASSERT(false, "invalid argument type");
......@@ -1807,14 +1585,12 @@ public:
}
};
enum Alignment
{
enum Alignment {
ALIGN_DEFAULT, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_NUMERIC
};
// Flags.
enum
{
enum {
SIGN_FLAG = 1, PLUS_FLAG = 2, MINUS_FLAG = 4, HASH_FLAG = 8,
CHAR_FLAG = 0x10 // Argument has char type - used in error reporting.
};
......@@ -1824,37 +1600,17 @@ struct EmptySpec {};
// A type specifier.
template <char TYPE>
struct TypeSpec : EmptySpec
{
Alignment align() const
{
return ALIGN_DEFAULT;
}
unsigned width() const
{
return 0;
}
int precision() const
{
return -1;
}
bool flag(unsigned) const
{
return false;
}
char type() const
{
return TYPE;
}
char fill() const
{
return ' ';
}
struct TypeSpec : EmptySpec {
Alignment align() const { return ALIGN_DEFAULT; }
unsigned width() const { return 0; }
int precision() const { return -1; }
bool flag(unsigned) const { return false; }
char type() const { return TYPE; }
char fill() const { return ' '; }
};
// A width specifier.
struct WidthSpec
{
struct WidthSpec {
unsigned width_;
// Fill is always wchar_t and cast to char if necessary to avoid having
// two specialization of WidthSpec and its subclasses.
......@@ -1862,54 +1618,33 @@ struct WidthSpec
WidthSpec(unsigned width, wchar_t fill) : width_(width), fill_(fill) {}
unsigned width() const
{
return width_;
}
wchar_t fill() const
{
return fill_;
}
unsigned width() const { return width_; }
wchar_t fill() const { return fill_; }
};
// An alignment specifier.
struct AlignSpec : WidthSpec
{
struct AlignSpec : WidthSpec {
Alignment align_;
AlignSpec(unsigned width, wchar_t fill, Alignment align = ALIGN_DEFAULT)
: WidthSpec(width, fill), align_(align) {}
Alignment align() const
{
return align_;
}
Alignment align() const { return align_; }
int precision() const
{
return -1;
}
int precision() const { return -1; }
};
// An alignment and type specifier.
template <char TYPE>
struct AlignTypeSpec : AlignSpec
{
struct AlignTypeSpec : AlignSpec {
AlignTypeSpec(unsigned width, wchar_t fill) : AlignSpec(width, fill) {}
bool flag(unsigned) const
{
return false;
}
char type() const
{
return TYPE;
}
bool flag(unsigned) const { return false; }
char type() const { return TYPE; }
};
// A full format specifier.
struct FormatSpec : AlignSpec
{
struct FormatSpec : AlignSpec {
unsigned flags_;
int precision_;
char type_;
......@@ -1918,56 +1653,38 @@ struct FormatSpec : AlignSpec
unsigned width = 0, char type = 0, wchar_t fill = ' ')
: AlignSpec(width, fill), flags_(0), precision_(-1), type_(type) {}
bool flag(unsigned f) const
{
return (flags_ & f) != 0;
}
int precision() const
{
return precision_;
}
char type() const
{
return type_;
}
bool flag(unsigned f) const { return (flags_ & f) != 0; }
int precision() const { return precision_; }
char type() const { return type_; }
};
// An integer format specifier.
template <typename T, typename SpecT = TypeSpec<0>, typename Char = char>
class IntFormatSpec : public SpecT
{
private:
class IntFormatSpec : public SpecT {
private:
T value_;
public:
public:
IntFormatSpec(T val, const SpecT &spec = SpecT())
: SpecT(spec), value_(val) {}
T value() const
{
return value_;
}
T value() const { return value_; }
};
// A string format specifier.
template <typename Char>
class StrFormatSpec : public AlignSpec
{
private:
class StrFormatSpec : public AlignSpec {
private:
const Char *str_;
public:
public:
template <typename FillChar>
StrFormatSpec(const Char *str, unsigned width, FillChar fill)
: AlignSpec(width, fill), str_(str)
{
: AlignSpec(width, fill), str_(str) {
internal::CharTraits<Char>::convert(FillChar());
}
const Char *str() const
{
return str_;
}
const Char *str() const { return str_; }
};
/**
......@@ -2080,39 +1797,33 @@ FMT_DEFINE_INT_FORMATTERS(ULongLong)
*/
template <typename Char>
inline StrFormatSpec<Char> pad(
const Char *str, unsigned width, Char fill = ' ')
{
const Char *str, unsigned width, Char fill = ' ') {
return StrFormatSpec<Char>(str, width, fill);
}
inline StrFormatSpec<wchar_t> pad(
const wchar_t *str, unsigned width, char fill = ' ')
{
const wchar_t *str, unsigned width, char fill = ' ') {
return StrFormatSpec<wchar_t>(str, width, fill);
}
namespace internal
{
namespace internal {
template <typename Char>
class ArgMap
{
private:
class ArgMap {
private:
typedef std::vector<
std::pair<fmt::BasicStringRef<Char>, internal::Arg> > MapType;
typedef typename MapType::value_type Pair;
MapType map_;
public:
public:
FMT_API void init(const ArgList &args);
const internal::Arg* find(const fmt::BasicStringRef<Char> &name) const
{
const internal::Arg* find(const fmt::BasicStringRef<Char> &name) const {
// The list is unsorted, so just return the first matching name.
for (typename MapType::const_iterator it = map_.begin(), end = map_.end();
it != end; ++it)
{
it != end; ++it) {
if (it->first == name)
return &it->second;
}
......@@ -2121,71 +1832,52 @@ public:
};
template <typename Impl, typename Char>
class ArgFormatterBase : public ArgVisitor<Impl, void>
{
private:
class ArgFormatterBase : public ArgVisitor<Impl, void> {
private:
BasicWriter<Char> &writer_;
FormatSpec &spec_;
FMT_DISALLOW_COPY_AND_ASSIGN(ArgFormatterBase);
void write_pointer(const void *p)
{
void write_pointer(const void *p) {
spec_.flags_ = HASH_FLAG;
spec_.type_ = 'x';
writer_.write_int(reinterpret_cast<uintptr_t>(p), spec_);
}
protected:
BasicWriter<Char> &writer()
{
return writer_;
}
FormatSpec &spec()
{
return spec_;
}
protected:
BasicWriter<Char> &writer() { return writer_; }
FormatSpec &spec() { return spec_; }
void write(bool value)
{
void write(bool value) {
const char *str_value = value ? "true" : "false";
Arg::StringValue<char> str = { str_value, std::strlen(str_value) };
writer_.write_str(str, spec_);
}
void write(const char *value)
{
void write(const char *value) {
Arg::StringValue<char> str = {value, value != 0 ? std::strlen(value) : 0};
writer_.write_str(str, spec_);
}
public:
public:
ArgFormatterBase(BasicWriter<Char> &w, FormatSpec &s)
: writer_(w), spec_(s) {}
template <typename T>
void visit_any_int(T value)
{
writer_.write_int(value, spec_);
}
void visit_any_int(T value) { writer_.write_int(value, spec_); }
template <typename T>
void visit_any_double(T value)
{
writer_.write_double(value, spec_);
}
void visit_any_double(T value) { writer_.write_double(value, spec_); }
void visit_bool(bool value)
{
void visit_bool(bool value) {
if (spec_.type_)
return visit_any_int(value);
write(value);
}
void visit_char(int value)
{
if (spec_.type_ && spec_.type_ != 'c')
{
void visit_char(int value) {
if (spec_.type_ && spec_.type_ != 'c') {
spec_.flags_ |= CHAR_FLAG;
writer_.write_int(value, spec_);
return;
......@@ -2196,83 +1888,65 @@ public:
Char fill = internal::CharTraits<Char>::cast(spec_.fill());
CharPtr out = CharPtr();
const unsigned CHAR_WIDTH = 1;
if (spec_.width_ > CHAR_WIDTH)
{
if (spec_.width_ > CHAR_WIDTH) {
out = writer_.grow_buffer(spec_.width_);
if (spec_.align_ == ALIGN_RIGHT)
{
if (spec_.align_ == ALIGN_RIGHT) {
std::uninitialized_fill_n(out, spec_.width_ - CHAR_WIDTH, fill);
out += spec_.width_ - CHAR_WIDTH;
}
else if (spec_.align_ == ALIGN_CENTER)
{
} else if (spec_.align_ == ALIGN_CENTER) {
out = writer_.fill_padding(out, spec_.width_,
internal::const_check(CHAR_WIDTH), fill);
}
else
{
} else {
std::uninitialized_fill_n(out + CHAR_WIDTH,
spec_.width_ - CHAR_WIDTH, fill);
}
}
else
{
} else {
out = writer_.grow_buffer(CHAR_WIDTH);
}
*out = internal::CharTraits<Char>::cast(value);
}
void visit_cstring(const char *value)
{
void visit_cstring(const char *value) {
if (spec_.type_ == 'p')
return write_pointer(value);
write(value);
}
void visit_string(Arg::StringValue<char> value)
{
void visit_string(Arg::StringValue<char> value) {
writer_.write_str(value, spec_);
}
using ArgVisitor<Impl, void>::visit_wstring;
void visit_wstring(Arg::StringValue<Char> value)
{
void visit_wstring(Arg::StringValue<Char> value) {
writer_.write_str(value, spec_);
}
void visit_pointer(const void *value)
{
void visit_pointer(const void *value) {
if (spec_.type_ && spec_.type_ != 'p')
report_unknown_type(spec_.type_, "pointer");
write_pointer(value);
}
};
class FormatterBase
{
private:
class FormatterBase {
private:
ArgList args_;
int next_arg_index_;
// Returns the argument with specified index.
FMT_API Arg do_get_arg(unsigned arg_index, const char *&error);
protected:
const ArgList &args() const
{
return args_;
}
protected:
const ArgList &args() const { return args_; }
explicit FormatterBase(const ArgList &args)
{
explicit FormatterBase(const ArgList &args) {
args_ = args;
next_arg_index_ = 0;
}
// Returns the next argument.
Arg next_arg(const char *&error)
{
Arg next_arg(const char *&error) {
if (next_arg_index_ >= 0)
return do_get_arg(internal::to_unsigned(next_arg_index_++), error);
error = "cannot switch from manual to automatic argument indexing";
......@@ -2281,15 +1955,12 @@ protected:
// Checks if manual indexing is used and returns the argument with
// specified index.
Arg get_arg(unsigned arg_index, const char *&error)
{
Arg get_arg(unsigned arg_index, const char *&error) {
return check_no_auto_index(error) ? do_get_arg(arg_index, error) : Arg();
}
bool check_no_auto_index(const char *&error)
{
if (next_arg_index_ > 0)
{
bool check_no_auto_index(const char *&error) {
if (next_arg_index_ > 0) {
error = "cannot switch from automatic to manual argument indexing";
return false;
}
......@@ -2298,8 +1969,7 @@ protected:
}
template <typename Char>
void write(BasicWriter<Char> &w, const Char *start, const Char *end)
{
void write(BasicWriter<Char> &w, const Char *start, const Char *end) {
if (start != end)
w << BasicStringRef<Char>(start, internal::to_unsigned(end - start));
}
......@@ -2324,13 +1994,12 @@ protected:
\endrst
*/
template <typename Impl, typename Char>
class BasicArgFormatter : public internal::ArgFormatterBase<Impl, Char>
{
private:
class BasicArgFormatter : public internal::ArgFormatterBase<Impl, Char> {
private:
BasicFormatter<Char, Impl> &formatter_;
const Char *format_;
public:
public:
/**
\rst
Constructs an argument formatter object.
......@@ -2345,17 +2014,15 @@ public:
formatter_(formatter), format_(fmt) {}
/** Formats an argument of a custom (user-defined) type. */
void visit_custom(internal::Arg::CustomValue c)
{
void visit_custom(internal::Arg::CustomValue c) {
c.format(&formatter_, c.value, &format_);
}
};
/** The default argument formatter. */
template <typename Char>
class ArgFormatter : public BasicArgFormatter<ArgFormatter<Char>, Char>
{
public:
class ArgFormatter : public BasicArgFormatter<ArgFormatter<Char>, Char> {
public:
/** Constructs an argument formatter object. */
ArgFormatter(BasicFormatter<Char> &formatter,
FormatSpec &spec, const Char *fmt)
......@@ -2364,13 +2031,12 @@ public:
/** This template formats data and writes the output to a writer. */
template <typename CharType, typename ArgFormatter>
class BasicFormatter : private internal::FormatterBase
{
public:
class BasicFormatter : private internal::FormatterBase {
public:
/** The character type for the output. */
typedef CharType Char;
private:
private:
BasicWriter<Char> &writer_;
internal::ArgMap<Char> map_;
......@@ -2388,7 +2054,7 @@ private:
// Parses argument name and returns corresponding argument.
internal::Arg parse_arg_name(const Char *&s);
public:
public:
/**
\rst
Constructs a ``BasicFormatter`` object. References to the arguments and
......@@ -2400,10 +2066,7 @@ public:
: internal::FormatterBase(args), writer_(w) {}
/** Returns a reference to the writer associated with this formatter. */
BasicWriter<Char> &writer()
{
return writer_;
}
BasicWriter<Char> &writer() { return writer_; }
/** Formats stored arguments and writes the output to the writer. */
void format(BasicCStringRef<Char> format_str);
......@@ -2431,30 +2094,23 @@ public:
# define FMT_GEN14(f) FMT_GEN13(f), f(13)
# define FMT_GEN15(f) FMT_GEN14(f), f(14)
namespace internal
{
inline uint64_t make_type()
{
return 0;
}
namespace internal {
inline uint64_t make_type() { return 0; }
template <typename T>
inline uint64_t make_type(const T &arg)
{
inline uint64_t make_type(const T &arg) {
return MakeValue< BasicFormatter<char> >::type(arg);
}
template <unsigned N, bool/*IsPacked*/= (N < ArgList::MAX_PACKED_ARGS)>
struct ArgArray;
struct ArgArray;
template <unsigned N>
struct ArgArray<N, true/*IsPacked*/>
{
struct ArgArray<N, true/*IsPacked*/> {
typedef Value Type[N > 0 ? N : 1];
template <typename Formatter, typename T>
static Value make(const T &value)
{
template <typename Formatter, typename T>
static Value make(const T &value) {
#ifdef __clang__
Value result = MakeValue<Formatter>(value);
// Workaround a bug in Apple LLVM version 4.2 (clang-425.0.28) of clang:
......@@ -2464,32 +2120,26 @@ static Value make(const T &value)
#else
return MakeValue<Formatter>(value);
#endif
}
};
}
};
template <unsigned N>
struct ArgArray<N, false/*IsPacked*/>
{
struct ArgArray<N, false/*IsPacked*/> {
typedef Arg Type[N + 1]; // +1 for the list end Arg::NONE
template <typename Formatter, typename T>
static Arg make(const T &value)
{
return MakeArg<Formatter>(value);
}
static Arg make(const T &value) { return MakeArg<Formatter>(value); }
};
#if FMT_USE_VARIADIC_TEMPLATES
template <typename Arg, typename... Args>
inline uint64_t make_type(const Arg &first, const Args & ... tail)
{
inline uint64_t make_type(const Arg &first, const Args & ... tail) {
return make_type(first) | (make_type(tail...) << 4);
}
#else
struct ArgType
{
struct ArgType {
uint64_t type;
ArgType() : type(0) {}
......@@ -2500,8 +2150,7 @@ struct ArgType
# define FMT_ARG_TYPE_DEFAULT(n) ArgType t##n = ArgType()
inline uint64_t make_type(FMT_GEN15(FMT_ARG_TYPE_DEFAULT))
{
inline uint64_t make_type(FMT_GEN15(FMT_ARG_TYPE_DEFAULT)) {
return t0.type | (t1.type << 4) | (t2.type << 8) | (t3.type << 12) |
(t4.type << 16) | (t5.type << 20) | (t6.type << 24) | (t7.type << 28) |
(t8.type << 32) | (t9.type << 36) | (t10.type << 40) | (t11.type << 44) |
......@@ -2612,19 +2261,18 @@ inline uint64_t make_type(FMT_GEN15(FMT_ARG_TYPE_DEFAULT))
An error returned by an operating system or a language runtime,
for example a file opening error.
*/
class SystemError : public internal::RuntimeError
{
private:
class SystemError : public internal::RuntimeError {
private:
void init(int err_code, CStringRef format_str, ArgList args);
protected:
protected:
int error_code_;
typedef char Char; // For FMT_VARIADIC_CTOR.
SystemError() {}
public:
public:
/**
\rst
Constructs a :class:`fmt::SystemError` object with a description
......@@ -2643,18 +2291,14 @@ public:
throw fmt::SystemError(errno, "cannot open file '{}'", filename);
\endrst
*/
SystemError(int error_code, CStringRef message)
{
SystemError(int error_code, CStringRef message) {
init(error_code, message, ArgList());
}
FMT_VARIADIC_CTOR(SystemError, init, int, CStringRef)
~SystemError() throw();
int error_code() const
{
return error_code_;
}
int error_code() const { return error_code_; }
};
/**
......@@ -2695,9 +2339,8 @@ FMT_API void format_system_error(fmt::Writer &out, int error_code,
\endrst
*/
template <typename Char>
class BasicWriter
{
private:
class BasicWriter {
private:
// Output buffer.
Buffer<Char> &buffer_;
......@@ -2707,15 +2350,9 @@ private:
#if FMT_SECURE_SCL
// Returns pointer value.
static Char *get(CharPtr p)
{
return p.base();
}
static Char *get(CharPtr p) { return p.base(); }
#else
static Char *get(Char *p)
{
return p;
}
static Char *get(Char *p) { return p; }
#endif
// Fills the padding around the content and returns the pointer to the
......@@ -2725,8 +2362,7 @@ private:
// Grows the buffer by n characters and returns a pointer to the newly
// allocated area.
CharPtr grow_buffer(std::size_t n)
{
CharPtr grow_buffer(std::size_t n) {
std::size_t size = buffer_.size();
buffer_.resize(size + n);
return internal::make_ptr(&buffer_[size], n);
......@@ -2734,8 +2370,7 @@ private:
// Writes an unsigned decimal integer.
template <typename UInt>
Char *write_unsigned_decimal(UInt value, unsigned prefix_size = 0)
{
Char *write_unsigned_decimal(UInt value, unsigned prefix_size = 0) {
unsigned num_digits = internal::count_digits(value);
Char *ptr = get(grow_buffer(prefix_size + num_digits));
internal::format_decimal(ptr + prefix_size, value, num_digits);
......@@ -2744,25 +2379,20 @@ private:
// Writes a decimal integer.
template <typename Int>
void write_decimal(Int value)
{
void write_decimal(Int value) {
typedef typename internal::IntTraits<Int>::MainType MainType;
MainType abs_value = static_cast<MainType>(value);
if (internal::is_negative(value))
{
if (internal::is_negative(value)) {
abs_value = 0 - abs_value;
*write_unsigned_decimal(abs_value, 1) = '-';
}
else
{
} else {
write_unsigned_decimal(abs_value, 0);
}
}
// Prepare a buffer for integer formatting.
CharPtr prepare_int_buffer(unsigned num_digits,
const EmptySpec &, const char *prefix, unsigned prefix_size)
{
const EmptySpec &, const char *prefix, unsigned prefix_size) {
unsigned size = prefix_size + num_digits;
CharPtr p = grow_buffer(size);
std::uninitialized_copy(prefix, prefix + prefix_size, p);
......@@ -2799,8 +2429,7 @@ private:
// Appends floating-point length specifier to the format string.
// The second argument is only used for overload resolution.
void append_float_length(Char *&format_ptr, long double)
{
void append_float_length(Char *&format_ptr, long double) {
*format_ptr++ = 'L';
}
......@@ -2813,13 +2442,13 @@ private:
template <typename Impl, typename Char_>
friend class BasicPrintfArgFormatter;
protected:
protected:
/**
Constructs a ``BasicWriter`` object.
*/
explicit BasicWriter(Buffer<Char> &b) : buffer_(b) {}
public:
public:
/**
\rst
Destroys a ``BasicWriter`` object.
......@@ -2830,26 +2459,19 @@ public:
/**
Returns the total number of characters written.
*/
std::size_t size() const
{
return buffer_.size();
}
std::size_t size() const { return buffer_.size(); }
/**
Returns a pointer to the output buffer content. No terminating null
character is appended.
*/
const Char *data() const FMT_NOEXCEPT
{
return &buffer_[0];
}
const Char *data() const FMT_NOEXCEPT { return &buffer_[0]; }
/**
Returns a pointer to the output buffer content with terminating null
character appended.
*/
const Char *c_str() const
{
const Char *c_str() const {
std::size_t size = buffer_.size();
buffer_.reserve(size + 1);
buffer_[size] = '\0';
......@@ -2861,8 +2483,7 @@ public:
Returns the content of the output buffer as an `std::string`.
\endrst
*/
std::basic_string<Char> str() const
{
std::basic_string<Char> str() const {
return std::basic_string<Char>(&buffer_[0], buffer_.size());
}
......@@ -2891,32 +2512,26 @@ public:
See also :ref:`syntax`.
\endrst
*/
void write(BasicCStringRef<Char> format, ArgList args)
{
void write(BasicCStringRef<Char> format, ArgList args) {
BasicFormatter<Char>(args, *this).format(format);
}
FMT_VARIADIC_VOID(write, BasicCStringRef<Char>)
BasicWriter &operator<<(int value)
{
BasicWriter &operator<<(int value) {
write_decimal(value);
return *this;
}
BasicWriter &operator<<(unsigned value)
{
BasicWriter &operator<<(unsigned value) {
return *this << IntFormatSpec<unsigned>(value);
}
BasicWriter &operator<<(long value)
{
BasicWriter &operator<<(long value) {
write_decimal(value);
return *this;
}
BasicWriter &operator<<(unsigned long value)
{
BasicWriter &operator<<(unsigned long value) {
return *this << IntFormatSpec<unsigned long>(value);
}
BasicWriter &operator<<(LongLong value)
{
BasicWriter &operator<<(LongLong value) {
write_decimal(value);
return *this;
}
......@@ -2926,13 +2541,11 @@ public:
Formats *value* and writes it to the stream.
\endrst
*/
BasicWriter &operator<<(ULongLong value)
{
BasicWriter &operator<<(ULongLong value) {
return *this << IntFormatSpec<ULongLong>(value);
}
BasicWriter &operator<<(double value)
{
BasicWriter &operator<<(double value) {
write_double(value, FormatSpec());
return *this;
}
......@@ -2943,8 +2556,7 @@ public:
(``'g'``) and writes it to the stream.
\endrst
*/
BasicWriter &operator<<(long double value)
{
BasicWriter &operator<<(long double value) {
write_double(value, FormatSpec());
return *this;
}
......@@ -2952,15 +2564,13 @@ public:
/**
Writes a character to the stream.
*/
BasicWriter &operator<<(char value)
{
BasicWriter &operator<<(char value) {
buffer_.push_back(value);
return *this;
}
BasicWriter &operator<<(
typename internal::WCharHelper<wchar_t, Char>::Supported value)
{
typename internal::WCharHelper<wchar_t, Char>::Supported value) {
buffer_.push_back(value);
return *this;
}
......@@ -2970,32 +2580,28 @@ public:
Writes *value* to the stream.
\endrst
*/
BasicWriter &operator<<(fmt::BasicStringRef<Char> value)
{
BasicWriter &operator<<(fmt::BasicStringRef<Char> value) {
const Char *str = value.data();
buffer_.append(str, str + value.size());
return *this;
}
BasicWriter &operator<<(
typename internal::WCharHelper<StringRef, Char>::Supported value)
{
typename internal::WCharHelper<StringRef, Char>::Supported value) {
const char *str = value.data();
buffer_.append(str, str + value.size());
return *this;
}
template <typename T, typename Spec, typename FillChar>
BasicWriter &operator<<(IntFormatSpec<T, Spec, FillChar> spec)
{
BasicWriter &operator<<(IntFormatSpec<T, Spec, FillChar> spec) {
internal::CharTraits<Char>::convert(FillChar());
write_int(spec.value(), spec);
return *this;
}
template <typename StrChar>
BasicWriter &operator<<(const StrFormatSpec<StrChar> &spec)
{
BasicWriter &operator<<(const StrFormatSpec<StrChar> &spec) {
const StrChar *s = spec.str();
write_str(s, std::char_traits<Char>::length(s), spec);
return *this;
......@@ -3009,29 +2615,20 @@ public:
template <typename Char>
template <typename StrChar>
typename BasicWriter<Char>::CharPtr BasicWriter<Char>::write_str(
const StrChar *s, std::size_t size, const AlignSpec &spec)
{
const StrChar *s, std::size_t size, const AlignSpec &spec) {
CharPtr out = CharPtr();
if (spec.width() > size)
{
if (spec.width() > size) {
out = grow_buffer(spec.width());
Char fill = internal::CharTraits<Char>::cast(spec.fill());
if (spec.align() == ALIGN_RIGHT)
{
if (spec.align() == ALIGN_RIGHT) {
std::uninitialized_fill_n(out, spec.width() - size, fill);
out += spec.width() - size;
}
else if (spec.align() == ALIGN_CENTER)
{
} else if (spec.align() == ALIGN_CENTER) {
out = fill_padding(out, spec.width(), size, fill);
}
else
{
} else {
std::uninitialized_fill_n(out + size, spec.width() - size, fill);
}
}
else
{
} else {
out = grow_buffer(size);
}
std::uninitialized_copy(s, s + size, out);
......@@ -3041,18 +2638,15 @@ typename BasicWriter<Char>::CharPtr BasicWriter<Char>::write_str(
template <typename Char>
template <typename StrChar>
void BasicWriter<Char>::write_str(
const internal::Arg::StringValue<StrChar> &s, const FormatSpec &spec)
{
const internal::Arg::StringValue<StrChar> &s, const FormatSpec &spec) {
// Check if StrChar is convertible to Char.
internal::CharTraits<Char>::convert(StrChar());
if (spec.type_ && spec.type_ != 's')
internal::report_unknown_type(spec.type_, "string");
const StrChar *str_value = s.value;
std::size_t str_size = s.size;
if (str_size == 0)
{
if (!str_value)
{
if (str_size == 0) {
if (!str_value) {
FMT_THROW(FormatError("string pointer is null"));
}
}
......@@ -3064,10 +2658,9 @@ void BasicWriter<Char>::write_str(
template <typename Char>
typename BasicWriter<Char>::CharPtr
BasicWriter<Char>::fill_padding(
BasicWriter<Char>::fill_padding(
CharPtr buffer, unsigned total_size,
std::size_t content_size, wchar_t fill)
{
std::size_t content_size, wchar_t fill) {
std::size_t padding = total_size - content_size;
std::size_t left_padding = padding / 2;
Char fill_char = internal::CharTraits<Char>::cast(fill);
......@@ -3082,15 +2675,13 @@ BasicWriter<Char>::fill_padding(
template <typename Char>
template <typename Spec>
typename BasicWriter<Char>::CharPtr
BasicWriter<Char>::prepare_int_buffer(
BasicWriter<Char>::prepare_int_buffer(
unsigned num_digits, const Spec &spec,
const char *prefix, unsigned prefix_size)
{
const char *prefix, unsigned prefix_size) {
unsigned width = spec.width();
Alignment align = spec.align();
Char fill = internal::CharTraits<Char>::cast(spec.fill());
if (spec.precision() > static_cast<int>(num_digits))
{
if (spec.precision() > static_cast<int>(num_digits)) {
// Octal prefix '0' is counted as a digit, so ignore it if precision
// is specified.
if (prefix_size > 0 && prefix[prefix_size - 1] == '0')
......@@ -3102,53 +2693,41 @@ BasicWriter<Char>::prepare_int_buffer(
return prepare_int_buffer(num_digits, subspec, prefix, prefix_size);
buffer_.reserve(width);
unsigned fill_size = width - number_size;
if (align != ALIGN_LEFT)
{
if (align != ALIGN_LEFT) {
CharPtr p = grow_buffer(fill_size);
std::uninitialized_fill(p, p + fill_size, fill);
}
CharPtr result = prepare_int_buffer(
num_digits, subspec, prefix, prefix_size);
if (align == ALIGN_LEFT)
{
if (align == ALIGN_LEFT) {
CharPtr p = grow_buffer(fill_size);
std::uninitialized_fill(p, p + fill_size, fill);
}
return result;
}
unsigned size = prefix_size + num_digits;
if (width <= size)
{
if (width <= size) {
CharPtr p = grow_buffer(size);
std::uninitialized_copy(prefix, prefix + prefix_size, p);
return p + size - 1;
}
CharPtr p = grow_buffer(width);
CharPtr end = p + width;
if (align == ALIGN_LEFT)
{
if (align == ALIGN_LEFT) {
std::uninitialized_copy(prefix, prefix + prefix_size, p);
p += size;
std::uninitialized_fill(p, end, fill);
}
else if (align == ALIGN_CENTER)
{
} else if (align == ALIGN_CENTER) {
p = fill_padding(p, width, size, fill);
std::uninitialized_copy(prefix, prefix + prefix_size, p);
p += size;
}
else
{
if (align == ALIGN_NUMERIC)
{
if (prefix_size != 0)
{
} else {
if (align == ALIGN_NUMERIC) {
if (prefix_size != 0) {
p = std::uninitialized_copy(prefix, prefix + prefix_size, p);
size -= prefix_size;
}
}
else
{
} else {
std::uninitialized_copy(prefix, prefix + prefix_size, end - size);
}
std::uninitialized_fill(p, end - size, fill);
......@@ -3159,108 +2738,84 @@ BasicWriter<Char>::prepare_int_buffer(
template <typename Char>
template <typename T, typename Spec>
void BasicWriter<Char>::write_int(T value, Spec spec)
{
void BasicWriter<Char>::write_int(T value, Spec spec) {
unsigned prefix_size = 0;
typedef typename internal::IntTraits<T>::MainType UnsignedType;
UnsignedType abs_value = static_cast<UnsignedType>(value);
char prefix[4] = "";
if (internal::is_negative(value))
{
if (internal::is_negative(value)) {
prefix[0] = '-';
++prefix_size;
abs_value = 0 - abs_value;
}
else if (spec.flag(SIGN_FLAG))
{
} else if (spec.flag(SIGN_FLAG)) {
prefix[0] = spec.flag(PLUS_FLAG) ? '+' : ' ';
++prefix_size;
}
switch (spec.type())
{
case 0:
case 'd':
{
switch (spec.type()) {
case 0: case 'd': {
unsigned num_digits = internal::count_digits(abs_value);
CharPtr p = prepare_int_buffer(num_digits, spec, prefix, prefix_size) + 1;
internal::format_decimal(get(p), abs_value, 0);
break;
}
case 'x':
case 'X':
{
case 'x': case 'X': {
UnsignedType n = abs_value;
if (spec.flag(HASH_FLAG))
{
if (spec.flag(HASH_FLAG)) {
prefix[prefix_size++] = '0';
prefix[prefix_size++] = spec.type();
}
unsigned num_digits = 0;
do
{
do {
++num_digits;
}
while ((n >>= 4) != 0);
} while ((n >>= 4) != 0);
Char *p = get(prepare_int_buffer(
num_digits, spec, prefix, prefix_size));
n = abs_value;
const char *digits = spec.type() == 'x' ?
"0123456789abcdef" : "0123456789ABCDEF";
do
{
do {
*p-- = digits[n & 0xf];
}
while ((n >>= 4) != 0);
} while ((n >>= 4) != 0);
break;
}
case 'b':
case 'B':
{
case 'b': case 'B': {
UnsignedType n = abs_value;
if (spec.flag(HASH_FLAG))
{
if (spec.flag(HASH_FLAG)) {
prefix[prefix_size++] = '0';
prefix[prefix_size++] = spec.type();
}
unsigned num_digits = 0;
do
{
do {
++num_digits;
}
while ((n >>= 1) != 0);
} while ((n >>= 1) != 0);
Char *p = get(prepare_int_buffer(num_digits, spec, prefix, prefix_size));
n = abs_value;
do
{
do {
*p-- = static_cast<Char>('0' + (n & 1));
}
while ((n >>= 1) != 0);
} while ((n >>= 1) != 0);
break;
}
case 'o':
{
case 'o': {
UnsignedType n = abs_value;
if (spec.flag(HASH_FLAG))
prefix[prefix_size++] = '0';
unsigned num_digits = 0;
do
{
do {
++num_digits;
}
while ((n >>= 3) != 0);
} while ((n >>= 3) != 0);
Char *p = get(prepare_int_buffer(num_digits, spec, prefix, prefix_size));
n = abs_value;
do
{
do {
*p-- = static_cast<Char>('0' + (n & 7));
}
while ((n >>= 3) != 0);
} while ((n >>= 3) != 0);
break;
}
case 'n':
{
case 'n': {
unsigned num_digits = internal::count_digits(abs_value);
fmt::StringRef sep = internal::thousands_sep(std::localeconv());
fmt::StringRef sep = "";
#ifndef ANDROID
sep = internal::thousands_sep(std::localeconv());
#endif
unsigned size = static_cast<unsigned>(
num_digits + sep.size() * ((num_digits - 1) / 3));
CharPtr p = prepare_int_buffer(size, spec, prefix, prefix_size) + 1;
......@@ -3276,20 +2831,15 @@ void BasicWriter<Char>::write_int(T value, Spec spec)
template <typename Char>
template <typename T>
void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
{
void BasicWriter<Char>::write_double(T value, const FormatSpec &spec) {
// Check type.
char type = spec.type();
bool upper = false;
switch (type)
{
switch (type) {
case 0:
type = 'g';
break;
case 'e':
case 'f':
case 'g':
case 'a':
case 'e': case 'f': case 'g': case 'a':
break;
case 'F':
#if FMT_MSC_VER
......@@ -3297,9 +2847,7 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
type = 'f';
#endif
// Fall through.
case 'E':
case 'G':
case 'A':
case 'E': case 'G': case 'A':
upper = true;
break;
default:
......@@ -3310,24 +2858,19 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
char sign = 0;
// Use isnegative instead of value < 0 because the latter is always
// false for NaN.
if (internal::FPUtil::isnegative(static_cast<double>(value)))
{
if (internal::FPUtil::isnegative(static_cast<double>(value))) {
sign = '-';
value = -value;
}
else if (spec.flag(SIGN_FLAG))
{
} else if (spec.flag(SIGN_FLAG)) {
sign = spec.flag(PLUS_FLAG) ? '+' : ' ';
}
if (internal::FPUtil::isnotanumber(value))
{
if (internal::FPUtil::isnotanumber(value)) {
// Format NaN ourselves because sprintf's output is not consistent
// across platforms.
std::size_t nan_size = 4;
const char *nan = upper ? " NAN" : " nan";
if (!sign)
{
if (!sign) {
--nan_size;
++nan;
}
......@@ -3337,14 +2880,12 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
return;
}
if (internal::FPUtil::isinfinity(value))
{
if (internal::FPUtil::isinfinity(value)) {
// Format infinity ourselves because sprintf's output is not consistent
// across platforms.
std::size_t inf_size = 4;
const char *inf = upper ? " INF" : " inf";
if (!sign)
{
if (!sign) {
--inf_size;
++inf;
}
......@@ -3356,8 +2897,7 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
std::size_t offset = buffer_.size();
unsigned width = spec.width();
if (sign)
{
if (sign) {
buffer_.reserve(buffer_.size() + (width > 1u ? width : 1u));
if (width > 0)
--width;
......@@ -3372,19 +2912,15 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
unsigned width_for_sprintf = width;
if (spec.flag(HASH_FLAG))
*format_ptr++ = '#';
if (spec.align() == ALIGN_CENTER)
{
if (spec.align() == ALIGN_CENTER) {
width_for_sprintf = 0;
}
else
{
} else {
if (spec.align() == ALIGN_LEFT)
*format_ptr++ = '-';
if (width != 0)
*format_ptr++ = '*';
}
if (spec.precision() >= 0)
{
if (spec.precision() >= 0) {
*format_ptr++ = '.';
*format_ptr++ = '*';
}
......@@ -3397,15 +2933,13 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
Char fill = internal::CharTraits<Char>::cast(spec.fill());
unsigned n = 0;
Char *start = 0;
for (;;)
{
for (;;) {
std::size_t buffer_size = buffer_.capacity() - offset;
#if FMT_MSC_VER
// MSVC's vsnprintf_s doesn't work with zero size, so reserve
// space for at least one extra character to make the size non-zero.
// Note that the buffer's capacity will increase by more than 1.
if (buffer_size == 0)
{
if (buffer_size == 0) {
buffer_.reserve(offset + 1);
buffer_size = buffer_.capacity() - offset;
}
......@@ -3413,44 +2947,35 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
start = &buffer_[offset];
int result = internal::CharTraits<Char>::format_float(
start, buffer_size, format, width_for_sprintf, spec.precision(), value);
if (result >= 0)
{
if (result >= 0) {
n = internal::to_unsigned(result);
if (offset + n < buffer_.capacity())
break; // The buffer is large enough - continue with formatting.
buffer_.reserve(offset + n + 1);
}
else
{
} else {
// If result is negative we ask to increase the capacity by at least 1,
// but as std::vector, the buffer grows exponentially.
buffer_.reserve(buffer_.capacity() + 1);
}
}
if (sign)
{
if (sign) {
if ((spec.align() != ALIGN_RIGHT && spec.align() != ALIGN_DEFAULT) ||
*start != ' ')
{
*start != ' ') {
*(start - 1) = sign;
sign = 0;
}
else
{
} else {
*(start - 1) = fill;
}
++n;
}
if (spec.align() == ALIGN_CENTER && spec.width() > n)
{
if (spec.align() == ALIGN_CENTER && spec.width() > n) {
width = spec.width();
CharPtr p = grow_buffer(width);
std::memmove(get(p) + (width - n) / 2, get(p), n * sizeof(Char));
fill_padding(p, spec.width(), n, fill);
return;
}
if (spec.fill() != ' ' || sign)
{
if (spec.fill() != ' ' || sign) {
while (*start == ' ')
*start++ = fill;
if (sign)
......@@ -3494,12 +3019,11 @@ void BasicWriter<Char>::write_double(T value, const FormatSpec &spec)
\endrst
*/
template <typename Char, typename Allocator = std::allocator<Char> >
class BasicMemoryWriter : public BasicWriter<Char>
{
private:
class BasicMemoryWriter : public BasicWriter<Char> {
private:
internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE, Allocator> buffer_;
public:
public:
explicit BasicMemoryWriter(const Allocator& alloc = Allocator())
: BasicWriter<Char>(buffer_), buffer_(alloc) {}
......@@ -3511,8 +3035,7 @@ public:
\endrst
*/
BasicMemoryWriter(BasicMemoryWriter &&other)
: BasicWriter<Char>(buffer_), buffer_(std::move(other.buffer_))
{
: BasicWriter<Char>(buffer_), buffer_(std::move(other.buffer_)) {
}
/**
......@@ -3520,8 +3043,7 @@ public:
Moves the content of the other ``BasicMemoryWriter`` object to this one.
\endrst
*/
BasicMemoryWriter &operator=(BasicMemoryWriter &&other)
{
BasicMemoryWriter &operator=(BasicMemoryWriter &&other) {
buffer_ = std::move(other.buffer_);
return *this;
}
......@@ -3552,12 +3074,11 @@ typedef BasicMemoryWriter<wchar_t> WMemoryWriter;
\endrst
*/
template <typename Char>
class BasicArrayWriter : public BasicWriter<Char>
{
private:
class BasicArrayWriter : public BasicWriter<Char> {
private:
internal::FixedBuffer<Char> buffer_;
public:
public:
/**
\rst
Constructs a :class:`fmt::BasicArrayWriter` object for *array* of the
......@@ -3589,12 +3110,11 @@ FMT_API void report_system_error(int error_code,
#if FMT_USE_WINDOWS_H
/** A Windows error. */
class WindowsError : public SystemError
{
private:
class WindowsError : public SystemError {
private:
FMT_API void init(int error_code, CStringRef format_str, ArgList args);
public:
public:
/**
\rst
Constructs a :class:`fmt::WindowsError` object with the description
......@@ -3623,8 +3143,7 @@ public:
}
\endrst
*/
WindowsError(int error_code, CStringRef message)
{
WindowsError(int error_code, CStringRef message) {
init(error_code, message, ArgList());
}
FMT_VARIADIC_CTOR(WindowsError, init, int, CStringRef)
......@@ -3656,15 +3175,13 @@ FMT_API void print_colored(Color c, CStringRef format, ArgList args);
std::string message = format("The answer is {}", 42);
\endrst
*/
inline std::string format(CStringRef format_str, ArgList args)
{
inline std::string format(CStringRef format_str, ArgList args) {
MemoryWriter w;
w.write(format_str, args);
return w.str();
}
inline std::wstring format(WCStringRef format_str, ArgList args)
{
inline std::wstring format(WCStringRef format_str, ArgList args) {
WMemoryWriter w;
w.write(format_str, args);
return w.str();
......@@ -3695,9 +3212,8 @@ FMT_API void print(CStringRef format_str, ArgList args);
/**
Fast integer formatter.
*/
class FormatInt
{
private:
class FormatInt {
private:
// Buffer should be large enough to hold all digits (digits10 + 1),
// a sign and a null character.
enum {BUFFER_SIZE = std::numeric_limits<ULongLong>::digits10 + 3};
......@@ -3705,11 +3221,9 @@ private:
char *str_;
// Formats value in reverse and returns the number of digits.
char *format_decimal(ULongLong value)
{
char *format_decimal(ULongLong value) {
char *buffer_end = buffer_ + BUFFER_SIZE - 1;
while (value >= 100)
{
while (value >= 100) {
// Integer division is slow so do it for a group of two digits instead
// of for every digit. The idea comes from the talk by Alexandrescu
// "Three Optimization Tips for C++". See speed-test for a comparison.
......@@ -3718,8 +3232,7 @@ private:
*--buffer_end = internal::Data::DIGITS[index + 1];
*--buffer_end = internal::Data::DIGITS[index];
}
if (value < 10)
{
if (value < 10) {
*--buffer_end = static_cast<char>('0' + value);
return buffer_end;
}
......@@ -3729,8 +3242,7 @@ private:
return buffer_end;
}
void FormatSigned(LongLong value)
{
void FormatSigned(LongLong value) {
ULongLong abs_value = static_cast<ULongLong>(value);
bool negative = value < 0;
if (negative)
......@@ -3740,26 +3252,16 @@ private:
*--str_ = '-';
}
public:
explicit FormatInt(int value)
{
FormatSigned(value);
}
explicit FormatInt(long value)
{
FormatSigned(value);
}
explicit FormatInt(LongLong value)
{
FormatSigned(value);
}
public:
explicit FormatInt(int value) { FormatSigned(value); }
explicit FormatInt(long value) { FormatSigned(value); }
explicit FormatInt(LongLong value) { FormatSigned(value); }
explicit FormatInt(unsigned value) : str_(format_decimal(value)) {}
explicit FormatInt(unsigned long value) : str_(format_decimal(value)) {}
explicit FormatInt(ULongLong value) : str_(format_decimal(value)) {}
/** Returns the number of characters written to the output buffer. */
std::size_t size() const
{
std::size_t size() const {
return internal::to_unsigned(buffer_ - str_ + BUFFER_SIZE - 1);
}
......@@ -3767,17 +3269,13 @@ public:
Returns a pointer to the output buffer content. No terminating null
character is appended.
*/
const char *data() const
{
return str_;
}
const char *data() const { return str_; }
/**
Returns a pointer to the output buffer content with terminating null
character appended.
*/
const char *c_str() const
{
const char *c_str() const {
buffer_[BUFFER_SIZE - 1] = '\0';
return str_;
}
......@@ -3787,29 +3285,22 @@ public:
Returns the content of the output buffer as an ``std::string``.
\endrst
*/
std::string str() const
{
return std::string(str_, size());
}
std::string str() const { return std::string(str_, size()); }
};
// Formats a decimal integer value writing into buffer and returns
// a pointer to the end of the formatted string. This function doesn't
// write a terminating null character.
template <typename T>
inline void format_decimal(char *&buffer, T value)
{
inline void format_decimal(char *&buffer, T value) {
typedef typename internal::IntTraits<T>::MainType MainType;
MainType abs_value = static_cast<MainType>(value);
if (internal::is_negative(value))
{
if (internal::is_negative(value)) {
*buffer++ = '-';
abs_value = 0 - abs_value;
}
if (abs_value < 100)
{
if (abs_value < 10)
{
if (abs_value < 100) {
if (abs_value < 10) {
*buffer++ = static_cast<char>('0' + abs_value);
return;
}
......@@ -3834,14 +3325,12 @@ inline void format_decimal(char *&buffer, T value)
\endrst
*/
template <typename T>
inline internal::NamedArg<char> arg(StringRef name, const T &arg)
{
inline internal::NamedArg<char> arg(StringRef name, const T &arg) {
return internal::NamedArg<char>(name, arg);
}
template <typename T>
inline internal::NamedArg<wchar_t> arg(WStringRef name, const T &arg)
{
inline internal::NamedArg<wchar_t> arg(WStringRef name, const T &arg) {
return internal::NamedArg<wchar_t>(name, arg);
}
......@@ -3871,7 +3360,6 @@ void arg(WStringRef, const internal::NamedArg<Char>&) FMT_DELETED_OR_UNDEFINED;
#define FMT_ARG_N(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
#define FMT_RSEQ_N() 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
#define FMT_CONCAT(a, b) a##b
#define FMT_FOR_EACH_(N, f, ...) \
FMT_EXPAND(FMT_CONCAT(FMT_FOR_EACH, N)(f, __VA_ARGS__))
#define FMT_FOR_EACH(f, ...) \
......@@ -3980,41 +3468,34 @@ void arg(WStringRef, const internal::NamedArg<Char>&) FMT_DELETED_OR_UNDEFINED;
#define FMT_CAPTURE_W(...) FMT_FOR_EACH(FMT_CAPTURE_ARG_W_, __VA_ARGS__)
namespace fmt
{
namespace fmt {
FMT_VARIADIC(std::string, format, CStringRef)
FMT_VARIADIC_W(std::wstring, format, WCStringRef)
FMT_VARIADIC(void, print, CStringRef)
FMT_VARIADIC(void, print, std::FILE *, CStringRef)
FMT_VARIADIC(void, print_colored, Color, CStringRef)
namespace internal
{
namespace internal {
template <typename Char>
inline bool is_name_start(Char c)
{
inline bool is_name_start(Char c) {
return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c;
}
// Parses an unsigned integer advancing s to the end of the parsed input.
// This function assumes that the first character of s is a digit.
template <typename Char>
unsigned parse_nonnegative_int(const Char *&s)
{
unsigned parse_nonnegative_int(const Char *&s) {
assert('0' <= *s && *s <= '9');
unsigned value = 0;
do
{
do {
unsigned new_value = value * 10 + (*s++ - '0');
// Check if value wrapped around.
if (new_value < value)
{
if (new_value < value) {
value = (std::numeric_limits<unsigned>::max)();
break;
}
value = new_value;
}
while ('0' <= *s && *s <= '9');
} while ('0' <= *s && *s <= '9');
// Convert to unsigned to prevent a warning.
unsigned max_int = (std::numeric_limits<int>::max)();
if (value > max_int)
......@@ -4022,10 +3503,8 @@ unsigned parse_nonnegative_int(const Char *&s)
return value;
}
inline void require_numeric_argument(const Arg &arg, char spec)
{
if (arg.type > Arg::LAST_NUMERIC_TYPE)
{
inline void require_numeric_argument(const Arg &arg, char spec) {
if (arg.type > Arg::LAST_NUMERIC_TYPE) {
std::string message =
fmt::format("format specifier '{}' requires numeric argument", spec);
FMT_THROW(fmt::FormatError(message));
......@@ -4033,12 +3512,10 @@ inline void require_numeric_argument(const Arg &arg, char spec)
}
template <typename Char>
void check_sign(const Char *&s, const Arg &arg)
{
void check_sign(const Char *&s, const Arg &arg) {
char sign = static_cast<char>(*s);
require_numeric_argument(arg, sign);
if (arg.type == Arg::UINT || arg.type == Arg::ULONG_LONG)
{
if (arg.type == Arg::UINT || arg.type == Arg::ULONG_LONG) {
FMT_THROW(FormatError(fmt::format(
"format specifier '{}' requires signed argument", sign)));
}
......@@ -4048,10 +3525,8 @@ void check_sign(const Char *&s, const Arg &arg)
template <typename Char, typename AF>
inline internal::Arg BasicFormatter<Char, AF>::get_arg(
BasicStringRef<Char> arg_name, const char *&error)
{
if (check_no_auto_index(error))
{
BasicStringRef<Char> arg_name, const char *&error) {
if (check_no_auto_index(error)) {
map_.init(args());
const internal::Arg *arg = map_.find(arg_name);
if (arg)
......@@ -4062,13 +3537,11 @@ inline internal::Arg BasicFormatter<Char, AF>::get_arg(
}
template <typename Char, typename AF>
inline internal::Arg BasicFormatter<Char, AF>::parse_arg_index(const Char *&s)
{
inline internal::Arg BasicFormatter<Char, AF>::parse_arg_index(const Char *&s) {
const char *error = 0;
internal::Arg arg = *s < '0' || *s > '9' ?
next_arg(error) : get_arg(internal::parse_nonnegative_int(s), error);
if (error)
{
if (error) {
FMT_THROW(FormatError(
*s != '}' && *s != ':' ? "invalid format string" : error));
}
......@@ -4076,16 +3549,13 @@ inline internal::Arg BasicFormatter<Char, AF>::parse_arg_index(const Char *&s)
}
template <typename Char, typename AF>
inline internal::Arg BasicFormatter<Char, AF>::parse_arg_name(const Char *&s)
{
inline internal::Arg BasicFormatter<Char, AF>::parse_arg_name(const Char *&s) {
assert(internal::is_name_start(*s));
const Char *start = s;
Char c;
do
{
do {
c = *++s;
}
while (internal::is_name_start(c) || ('0' <= c && c <= '9'));
} while (internal::is_name_start(c) || ('0' <= c && c <= '9'));
const char *error = 0;
internal::Arg arg = get_arg(BasicStringRef<Char>(start, s - start), error);
if (error)
......@@ -4095,28 +3565,22 @@ inline internal::Arg BasicFormatter<Char, AF>::parse_arg_name(const Char *&s)
template <typename Char, typename ArgFormatter>
const Char *BasicFormatter<Char, ArgFormatter>::format(
const Char *&format_str, const internal::Arg &arg)
{
const Char *&format_str, const internal::Arg &arg) {
using internal::Arg;
const Char *s = format_str;
FormatSpec spec;
if (*s == ':')
{
if (arg.type == Arg::CUSTOM)
{
if (*s == ':') {
if (arg.type == Arg::CUSTOM) {
arg.custom.format(this, arg.custom.value, &s);
return s;
}
++s;
// Parse fill and alignment.
if (Char c = *s)
{
if (Char c = *s) {
const Char *p = s + 1;
spec.align_ = ALIGN_DEFAULT;
do
{
switch (*p)
{
do {
switch (*p) {
case '<':
spec.align_ = ALIGN_LEFT;
break;
......@@ -4130,28 +3594,23 @@ const Char *BasicFormatter<Char, ArgFormatter>::format(
spec.align_ = ALIGN_CENTER;
break;
}
if (spec.align_ != ALIGN_DEFAULT)
{
if (p != s)
{
if (spec.align_ != ALIGN_DEFAULT) {
if (p != s) {
if (c == '}') break;
if (c == '{')
FMT_THROW(FormatError("invalid fill character '{'"));
s += 2;
spec.fill_ = c;
}
else ++s;
} else ++s;
if (spec.align_ == ALIGN_NUMERIC)
require_numeric_argument(arg, '=');
break;
}
}
while (--p >= s);
} while (--p >= s);
}
// Parse sign.
switch (*s)
{
switch (*s) {
case '+':
check_sign(s, arg);
spec.flags_ |= SIGN_FLAG | PLUS_FLAG;
......@@ -4166,16 +3625,14 @@ const Char *BasicFormatter<Char, ArgFormatter>::format(
break;
}
if (*s == '#')
{
if (*s == '#') {
require_numeric_argument(arg, '#');
spec.flags_ |= HASH_FLAG;
++s;
}
// Parse zero flag.
if (*s == '0')
{
if (*s == '0') {
require_numeric_argument(arg, '0');
spec.align_ = ALIGN_NUMERIC;
spec.fill_ = '0';
......@@ -4183,20 +3640,16 @@ const Char *BasicFormatter<Char, ArgFormatter>::format(
}
// Parse width.
if ('0' <= *s && *s <= '9')
{
if ('0' <= *s && *s <= '9') {
spec.width_ = internal::parse_nonnegative_int(s);
}
else if (*s == '{')
{
} else if (*s == '{') {
++s;
Arg width_arg = internal::is_name_start(*s) ?
parse_arg_name(s) : parse_arg_index(s);
if (*s++ != '}')
FMT_THROW(FormatError("invalid format string"));
ULongLong value = 0;
switch (width_arg.type)
{
switch (width_arg.type) {
case Arg::INT:
if (width_arg.int_value < 0)
FMT_THROW(FormatError("negative width"));
......@@ -4222,24 +3675,19 @@ const Char *BasicFormatter<Char, ArgFormatter>::format(
}
// Parse precision.
if (*s == '.')
{
if (*s == '.') {
++s;
spec.precision_ = 0;
if ('0' <= *s && *s <= '9')
{
if ('0' <= *s && *s <= '9') {
spec.precision_ = internal::parse_nonnegative_int(s);
}
else if (*s == '{')
{
} else if (*s == '{') {
++s;
Arg precision_arg = internal::is_name_start(*s) ?
parse_arg_name(s) : parse_arg_index(s);
if (*s++ != '}')
FMT_THROW(FormatError("invalid format string"));
ULongLong value = 0;
switch (precision_arg.type)
{
switch (precision_arg.type) {
case Arg::INT:
if (precision_arg.int_value < 0)
FMT_THROW(FormatError("negative precision"));
......@@ -4262,13 +3710,10 @@ const Char *BasicFormatter<Char, ArgFormatter>::format(
if (value > (std::numeric_limits<int>::max)())
FMT_THROW(FormatError("number is too big"));
spec.precision_ = static_cast<int>(value);
}
else
{
} else {
FMT_THROW(FormatError("missing precision specifier"));
}
if (arg.type <= Arg::LAST_INTEGER_TYPE || arg.type == Arg::POINTER)
{
if (arg.type <= Arg::LAST_INTEGER_TYPE || arg.type == Arg::POINTER) {
FMT_THROW(FormatError(
fmt::format("precision not allowed in {} format specifier",
arg.type == Arg::POINTER ? "pointer" : "integer")));
......@@ -4289,16 +3734,13 @@ const Char *BasicFormatter<Char, ArgFormatter>::format(
}
template <typename Char, typename AF>
void BasicFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
{
void BasicFormatter<Char, AF>::format(BasicCStringRef<Char> format_str) {
const Char *s = format_str.c_str();
const Char *start = s;
while (*s)
{
while (*s) {
Char c = *s++;
if (c != '{' && c != '}') continue;
if (*s == c)
{
if (*s == c) {
write(writer_, start, s);
start = ++s;
continue;
......@@ -4315,40 +3757,33 @@ void BasicFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
} // namespace fmt
#if FMT_USE_USER_DEFINED_LITERALS
namespace fmt
{
namespace internal
{
namespace fmt {
namespace internal {
template <typename Char>
struct UdlFormat
{
struct UdlFormat {
const Char *str;
template <typename... Args>
auto operator()(Args && ... args) const
-> decltype(format(str, std::forward<Args>(args)...))
{
-> decltype(format(str, std::forward<Args>(args)...)) {
return format(str, std::forward<Args>(args)...);
}
};
template <typename Char>
struct UdlArg
{
struct UdlArg {
const Char *str;
template <typename T>
NamedArg<Char> operator=(T &&value) const
{
NamedArg<Char> operator=(T &&value) const {
return {str, std::forward<T>(value)};
}
};
} // namespace internal
inline namespace literals
{
inline namespace literals {
/**
\rst
......@@ -4361,15 +3796,9 @@ inline namespace literals
\endrst
*/
inline internal::UdlFormat<char>
operator"" _format(const char *s, std::size_t)
{
return {s};
}
operator"" _format(const char *s, std::size_t) { return {s}; }
inline internal::UdlFormat<wchar_t>
operator"" _format(const wchar_t *s, std::size_t)
{
return {s};
}
operator"" _format(const wchar_t *s, std::size_t) { return {s}; }
/**
\rst
......@@ -4382,15 +3811,9 @@ operator"" _format(const wchar_t *s, std::size_t)
\endrst
*/
inline internal::UdlArg<char>
operator"" _a(const char *s, std::size_t)
{
return {s};
}
operator"" _a(const char *s, std::size_t) { return {s}; }
inline internal::UdlArg<wchar_t>
operator"" _a(const wchar_t *s, std::size_t)
{
return {s};
}
operator"" _a(const wchar_t *s, std::size_t) { return {s}; }
} // inline namespace literals
} // namespace fmt
......
include/spdlog/fmt/bundled/ostream.cc
View file @ 6312748c
......@@ -7,15 +7,13 @@
For the license information refer to format.h.
*/
// Commented out by spdlog to use header only
// #include "fmt/ostream.h"
// #include "fmt/printf.h"
// Commented out by spdlog to use header only
// #include "fmt/ostream.h"
namespace fmt {
namespace {
// Write the content of w to os.
void write(std::ostream &os, Writer &w) {
namespace internal {
FMT_FUNC void write(std::ostream &os, Writer &w) {
const char *data = w.data();
typedef internal::MakeUnsigned<std::streamsize>::Type UnsignedStreamSize;
UnsignedStreamSize size = w.size();
......@@ -33,13 +31,6 @@ void write(std::ostream &os, Writer &w) {
FMT_FUNC void print(std::ostream &os, CStringRef format_str, ArgList args) {
MemoryWriter w;
w.write(format_str, args);
write(os, w);
}
FMT_FUNC int fprintf(std::ostream &os, CStringRef format, ArgList args) {
MemoryWriter w;
printf(w, format, args);
write(os, w);
return static_cast<int>(w.size());
internal::write(os, w);
}
} // namespace fmt
include/spdlog/fmt/bundled/ostream.h
View file @ 6312748c
......@@ -14,32 +14,26 @@
// #include "fmt/format.h"
#include <ostream>
namespace fmt
{
namespace fmt {
namespace internal
{
namespace internal {
template <class Char>
class FormatBuf : public std::basic_streambuf<Char>
{
private:
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;
Buffer<Char> &buffer_;
Char *start_;
public:
FormatBuf(Buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0])
{
public:
FormatBuf(Buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0]) {
this->setp(start_, start_ + buffer_.capacity());
}
int_type overflow(int_type ch = traits_type::eof())
{
if (!traits_type::eq_int_type(ch, traits_type::eof()))
{
int_type overflow(int_type ch = traits_type::eof()) {
if (!traits_type::eq_int_type(ch, traits_type::eof())) {
size_t buf_size = size();
buffer_.resize(buf_size);
buffer_.reserve(buf_size * 2);
......@@ -51,16 +45,14 @@ public:
return ch;
}
size_t size() const
{
size_t size() const {
return to_unsigned(this->pptr() - start_);
}
};
Yes &convert(std::ostream &);
struct DummyStream : std::ostream
{
struct DummyStream : std::ostream {
DummyStream(); // Suppress a bogus warning in MSVC.
// Hide all operator<< overloads from std::ostream.
void operator<<(Null<>);
......@@ -69,21 +61,21 @@ struct DummyStream : std::ostream
No &operator<<(std::ostream &, int);
template<typename T>
struct ConvertToIntImpl<T, true>
{
struct ConvertToIntImpl<T, true> {
// Convert to int only if T doesn't have an overloaded operator<<.
enum
{
enum {
value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(No)
};
};
// Write the content of w to os.
void write(std::ostream &os, Writer &w);
} // namespace internal
// Formats a value.
template <typename Char, typename ArgFormatter, typename T>
void format(BasicFormatter<Char, ArgFormatter> &f,
const Char *&format_str, const T &value)
{
void format_arg(BasicFormatter<Char, ArgFormatter> &f,
const Char *&format_str, const T &value) {
internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE> buffer;
internal::FormatBuf<Char> format_buf(buffer);
......@@ -106,18 +98,6 @@ void format(BasicFormatter<Char, ArgFormatter> &f,
*/
FMT_API void print(std::ostream &os, CStringRef format_str, ArgList args);
FMT_VARIADIC(void, print, std::ostream &, CStringRef)
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
FMT_API int fprintf(std::ostream &os, CStringRef format_str, ArgList args);
FMT_VARIADIC(int, fprintf, std::ostream &, CStringRef)
} // namespace fmt
#ifdef FMT_HEADER_ONLY
......
include/spdlog/fmt/bundled/printf.h
View file @ 6312748c
......@@ -13,56 +13,41 @@
#include <algorithm> // std::fill_n
#include <limits> // std::numeric_limits
#include "fmt/format.h"
#include "fmt/ostream.h"
namespace fmt
{
namespace internal
{
namespace fmt {
namespace internal {
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
struct IntChecker
{
struct IntChecker {
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 IntChecker<true>
{
struct IntChecker<true> {
template <typename T>
static bool fits_in_int(T value)
{
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(int) { return true; }
};
class PrecisionHandler : public ArgVisitor<PrecisionHandler, int>
{
public:
void report_unhandled_arg()
{
class PrecisionHandler : public ArgVisitor<PrecisionHandler, int> {
public:
void report_unhandled_arg() {
FMT_THROW(FormatError("precision is not integer"));
}
template <typename T>
int visit_any_int(T value)
{
int visit_any_int(T value) {
if (!IntChecker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(FormatError("number is too big"));
return static_cast<int>(value);
......@@ -70,25 +55,19 @@ public:
};
// IsZeroInt::visit(arg) returns true iff arg is a zero integer.
class IsZeroInt : public ArgVisitor<IsZeroInt, bool>
{
public:
class IsZeroInt : public ArgVisitor<IsZeroInt, bool> {
public:
template <typename T>
bool visit_any_int(T value)
{
return value == 0;
}
bool visit_any_int(T value) { return value == 0; }
};
template <typename T, typename U>
struct is_same
{
struct is_same {
enum { value = 0 };
};
template <typename T>
struct is_same<T, T>
{
struct is_same<T, T> {
enum { value = 1 };
};
......@@ -97,58 +76,46 @@ struct is_same<T, T>
// corresponding signed or unsigned type depending on the type specifier:
// 'd' and 'i' - signed, other - unsigned)
template <typename T = void>
class ArgConverter : public ArgVisitor<ArgConverter<T>, void>
{
private:
class ArgConverter : public ArgVisitor<ArgConverter<T>, void> {
private:
internal::Arg &arg_;
wchar_t type_;
FMT_DISALLOW_COPY_AND_ASSIGN(ArgConverter);
public:
public:
ArgConverter(internal::Arg &arg, wchar_t type)
: arg_(arg), type_(type) {}
void visit_bool(bool value)
{
void visit_bool(bool value) {
if (type_ != 's')
visit_any_int(value);
}
template <typename U>
void visit_any_int(U value)
{
void visit_any_int(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
using internal::Arg;
typedef typename internal::Conditional<
is_same<T, void>::value, U, T>::type TargetType;
if (sizeof(TargetType) <= sizeof(int))
{
if (sizeof(TargetType) <= sizeof(int)) {
// Extra casts are used to silence warnings.
if (is_signed)
{
if (is_signed) {
arg_.type = Arg::INT;
arg_.int_value = static_cast<int>(static_cast<TargetType>(value));
}
else
{
} else {
arg_.type = Arg::UINT;
typedef typename internal::MakeUnsigned<TargetType>::Type Unsigned;
arg_.uint_value = static_cast<unsigned>(static_cast<Unsigned>(value));
}
}
else
{
if (is_signed)
{
} else {
if (is_signed) {
arg_.type = Arg::LONG_LONG;
// 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_.long_long_value = static_cast<LongLong>(value);
}
else
{
} else {
arg_.type = Arg::ULONG_LONG;
arg_.ulong_long_value =
static_cast<typename internal::MakeUnsigned<U>::Type>(value);
......@@ -158,19 +125,17 @@ public:
};
// Converts an integer argument to char for printf.
class CharConverter : public ArgVisitor<CharConverter, void>
{
private:
class CharConverter : public ArgVisitor<CharConverter, void> {
private:
internal::Arg &arg_;
FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter);
public:
public:
explicit CharConverter(internal::Arg &arg) : arg_(arg) {}
template <typename T>
void visit_any_int(T value)
{
void visit_any_int(T value) {
arg_.type = internal::Arg::CHAR;
arg_.int_value = static_cast<char>(value);
}
......@@ -178,28 +143,24 @@ public:
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
class WidthHandler : public ArgVisitor<WidthHandler, unsigned>
{
private:
class WidthHandler : public ArgVisitor<WidthHandler, unsigned> {
private:
FormatSpec &spec_;
FMT_DISALLOW_COPY_AND_ASSIGN(WidthHandler);
public:
public:
explicit WidthHandler(FormatSpec &spec) : spec_(spec) {}
void report_unhandled_arg()
{
void report_unhandled_arg() {
FMT_THROW(FormatError("width is not integer"));
}
template <typename T>
unsigned visit_any_int(T value)
{
unsigned visit_any_int(T value) {
typedef typename internal::IntTraits<T>::MainType UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value))
{
if (internal::is_negative(value)) {
spec_.align_ = ALIGN_LEFT;
width = 0 - width;
}
......@@ -229,18 +190,16 @@ public:
\endrst
*/
template <typename Impl, typename Char>
class BasicPrintfArgFormatter : public internal::ArgFormatterBase<Impl, Char>
{
private:
void write_null_pointer()
{
class BasicPrintfArgFormatter : public internal::ArgFormatterBase<Impl, Char> {
private:
void write_null_pointer() {
this->spec().type_ = 0;
this->write("(nil)");
}
typedef internal::ArgFormatterBase<Impl, Char> Base;
public:
public:
/**
\rst
Constructs an argument formatter object.
......@@ -252,8 +211,7 @@ public:
: internal::ArgFormatterBase<Impl, Char>(writer, spec) {}
/** Formats an argument of type ``bool``. */
void visit_bool(bool value)
{
void visit_bool(bool value) {
FormatSpec &fmt_spec = this->spec();
if (fmt_spec.type_ != 's')
return this->visit_any_int(value);
......@@ -262,38 +220,30 @@ public:
}
/** Formats a character. */
void visit_char(int value)
{
void visit_char(int value) {
const FormatSpec &fmt_spec = this->spec();
BasicWriter<Char> &w = this->writer();
if (fmt_spec.type_ && fmt_spec.type_ != 'c')
w.write_int(value, fmt_spec);
typedef typename BasicWriter<Char>::CharPtr CharPtr;
CharPtr out = CharPtr();
if (fmt_spec.width_ > 1)
{
if (fmt_spec.width_ > 1) {
Char fill = ' ';
out = w.grow_buffer(fmt_spec.width_);
if (fmt_spec.align_ != ALIGN_LEFT)
{
if (fmt_spec.align_ != ALIGN_LEFT) {
std::fill_n(out, fmt_spec.width_ - 1, fill);
out += fmt_spec.width_ - 1;
}
else
{
} else {
std::fill_n(out + 1, fmt_spec.width_ - 1, fill);
}
}
else
{
} else {
out = w.grow_buffer(1);
}
*out = static_cast<Char>(value);
}
/** Formats a null-terminated C string. */
void visit_cstring(const char *value)
{
void visit_cstring(const char *value) {
if (value)
Base::visit_cstring(value);
else if (this->spec().type_ == 'p')
......@@ -303,8 +253,7 @@ public:
}
/** Formats a pointer. */
void visit_pointer(const void *value)
{
void visit_pointer(const void *value) {
if (value)
return Base::visit_pointer(value);
this->spec().type_ = 0;
......@@ -312,8 +261,7 @@ public:
}
/** Formats an argument of a custom (user-defined) type. */
void visit_custom(internal::Arg::CustomValue c)
{
void visit_custom(internal::Arg::CustomValue c) {
BasicFormatter<Char> formatter(ArgList(), this->writer());
const Char format_str[] = {'}', 0};
const Char *format = format_str;
......@@ -324,9 +272,8 @@ public:
/** The default printf argument formatter. */
template <typename Char>
class PrintfArgFormatter
: public BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char>
{
public:
: public BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char> {
public:
/** Constructs an argument formatter object. */
PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
: BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char>(w, s) {}
......@@ -334,9 +281,8 @@ public:
/** This template formats data and writes the output to a writer. */
template <typename Char, typename ArgFormatter = PrintfArgFormatter<Char> >
class PrintfFormatter : private internal::FormatterBase
{
private:
class PrintfFormatter : private internal::FormatterBase {
private:
BasicWriter<Char> &writer_;
void parse_flags(FormatSpec &spec, const Char *&s);
......@@ -350,7 +296,7 @@ private:
// Parses argument index, flags and width and returns the argument index.
unsigned parse_header(const Char *&s, FormatSpec &spec);
public:
public:
/**
\rst
Constructs a ``PrintfFormatter`` object. References to the arguments and
......@@ -366,12 +312,9 @@ public:
};
template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s)
{
for (;;)
{
switch (*s++)
{
void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s) {
for (;;) {
switch (*s++) {
case '-':
spec.align_ = ALIGN_LEFT;
break;
......@@ -396,8 +339,7 @@ void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s)
template <typename Char, typename AF>
internal::Arg PrintfFormatter<Char, AF>::get_arg(const Char *s,
unsigned arg_index)
{
unsigned arg_index) {
(void)s;
const char *error = 0;
internal::Arg arg = arg_index == std::numeric_limits<unsigned>::max() ?
......@@ -409,26 +351,20 @@ internal::Arg PrintfFormatter<Char, AF>::get_arg(const Char *s,
template <typename Char, typename AF>
unsigned PrintfFormatter<Char, AF>::parse_header(
const Char *&s, FormatSpec &spec)
{
const Char *&s, FormatSpec &spec) {
unsigned arg_index = std::numeric_limits<unsigned>::max();
Char c = *s;
if (c >= '0' && c <= '9')
{
if (c >= '0' && c <= '9') {
// Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s).
unsigned value = internal::parse_nonnegative_int(s);
if (*s == '$') // value is an argument index
{
if (*s == '$') { // value is an argument index
++s;
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;
......@@ -438,12 +374,9 @@ unsigned PrintfFormatter<Char, AF>::parse_header(
}
parse_flags(spec, s);
// Parse width.
if (*s >= '0' && *s <= '9')
{
if (*s >= '0' && *s <= '9') {
spec.width_ = internal::parse_nonnegative_int(s);
}
else if (*s == '*')
{
} else if (*s == '*') {
++s;
spec.width_ = internal::WidthHandler(spec).visit(get_arg(s));
}
......@@ -451,16 +384,13 @@ unsigned PrintfFormatter<Char, AF>::parse_header(
}
template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
{
void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str) {
const Char *start = format_str.c_str();
const Char *s = start;
while (*s)
{
while (*s) {
Char c = *s++;
if (c != '%') continue;
if (*s == c)
{
if (*s == c) {
write(writer_, start, s);
start = ++s;
continue;
......@@ -474,15 +404,11 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
unsigned arg_index = parse_header(s, spec);
// Parse precision.
if (*s == '.')
{
if (*s == '.') {
++s;
if ('0' <= *s && *s <= '9')
{
if ('0' <= *s && *s <= '9') {
spec.precision_ = static_cast<int>(internal::parse_nonnegative_int(s));
}
else if (*s == '*')
{
} else if (*s == '*') {
++s;
spec.precision_ = internal::PrecisionHandler().visit(get_arg(s));
}
......@@ -492,8 +418,7 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
Arg arg = get_arg(s, arg_index);
if (spec.flag(HASH_FLAG) && internal::IsZeroInt().visit(arg))
spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG);
if (spec.fill_ == '0')
{
if (spec.fill_ == '0') {
if (arg.type <= Arg::LAST_NUMERIC_TYPE)
spec.align_ = ALIGN_NUMERIC;
else
......@@ -502,8 +427,7 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
// Parse length and convert the argument to the required type.
using internal::ArgConverter;
switch (*s++)
{
switch (*s++) {
case 'h':
if (*s == 'h')
ArgConverter<signed char>(arg, *++s).visit(arg);
......@@ -538,13 +462,10 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
if (!*s)
FMT_THROW(FormatError("invalid format string"));
spec.type_ = static_cast<char>(*s++);
if (arg.type <= Arg::LAST_INTEGER_TYPE)
{
if (arg.type <= Arg::LAST_INTEGER_TYPE) {
// Normalize type.
switch (spec.type_)
{
case 'i':
case 'u':
switch (spec.type_) {
case 'i': case 'u':
spec.type_ = 'd';
break;
case 'c':
......@@ -563,8 +484,7 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
}
template <typename Char>
void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args)
{
void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args) {
PrintfFormatter<Char>(args, w).format(format);
}
......@@ -577,16 +497,14 @@ void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args)
std::string message = fmt::sprintf("The answer is %d", 42);
\endrst
*/
inline std::string sprintf(CStringRef format, ArgList args)
{
inline std::string sprintf(CStringRef format, ArgList args) {
MemoryWriter w;
printf(w, format, args);
return w.str();
}
FMT_VARIADIC(std::string, sprintf, CStringRef)
inline std::wstring sprintf(WCStringRef format, ArgList args)
{
inline std::wstring sprintf(WCStringRef format, ArgList args) {
WMemoryWriter w;
printf(w, format, args);
return w.str();
......@@ -614,11 +532,27 @@ FMT_VARIADIC(int, fprintf, std::FILE *, CStringRef)
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
inline int printf(CStringRef format, ArgList args)
{
inline int printf(CStringRef format, ArgList args) {
return fprintf(stdout, format, args);
}
FMT_VARIADIC(int, printf, CStringRef)
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
inline int fprintf(std::ostream &os, CStringRef format_str, ArgList args) {
MemoryWriter w;
printf(w, format_str, args);
internal::write(os, w);
return static_cast<int>(w.size());
}
FMT_VARIADIC(int, fprintf, std::ostream &, CStringRef)
} // namespace fmt
#endif // FMT_PRINTF_H_
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