http://git-wip-us.apache.org/repos/asf/nifi-minifi-cpp/blob/62394f72/inc/spdlog/details/format.cc
----------------------------------------------------------------------
diff --git a/inc/spdlog/details/format.cc b/inc/spdlog/details/format.cc
new file mode 100644
index 0000000..fb0ef9e
--- /dev/null
+++ b/inc/spdlog/details/format.cc
@@ -0,0 +1,1353 @@
+/*
+Formatting library for C++
+
+Copyright (c) 2012 - 2015, Victor Zverovich
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions and the following disclaimer in the documentation
+and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "format.h"
+
+#include <string.h>
+
+#include <cctype>
+#include <cerrno>
+#include <climits>
+#include <cmath>
+#include <cstdarg>
+
+#if defined(_WIN32) && defined(__MINGW32__)
+# include <cstring>
+#endif
+
+#if FMT_USE_WINDOWS_H
+# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX)
+# include <windows.h>
+# else
+# define NOMINMAX
+# include <windows.h>
+# undef NOMINMAX
+# endif
+#endif
+
+using fmt::internal::Arg;
+
+// Check if exceptions are disabled.
+#if __GNUC__ && !__EXCEPTIONS
+# define FMT_EXCEPTIONS 0
+#endif
+#if _MSC_VER && !_HAS_EXCEPTIONS
+# define FMT_EXCEPTIONS 0
+#endif
+#ifndef FMT_EXCEPTIONS
+# define FMT_EXCEPTIONS 1
+#endif
+
+#if FMT_EXCEPTIONS
+# define FMT_TRY try
+# define FMT_CATCH(x) catch (x)
+#else
+# define FMT_TRY if (true)
+# define FMT_CATCH(x) if (false)
+#endif
+
+#ifndef FMT_THROW
+# if FMT_EXCEPTIONS
+# define FMT_THROW(x) throw x
+# else
+# define FMT_THROW(x) assert(false)
+# endif
+#endif
+
+#ifdef FMT_HEADER_ONLY
+# define FMT_FUNC inline
+#else
+# define FMT_FUNC
+#endif
+
+#if _MSC_VER
+# pragma warning(push)
+# pragma warning(disable: 4127) // conditional expression is constant
+# pragma warning(disable: 4702) // unreachable code
+// Disable deprecation warning for strerror. The latter is not called but
+// MSVC fails to detect it.
+# pragma warning(disable: 4996)
+#endif
+
+// Dummy implementations of strerror_r and strerror_s called if corresponding
+// system functions are not available.
+static inline fmt::internal::Null<> strerror_r(int, char *, ...) {
+ return fmt::internal::Null<>();
+}
+static inline fmt::internal::Null<> strerror_s(char *, std::size_t, ...) {
+ return fmt::internal::Null<>();
+}
+
+namespace fmt {
+namespace {
+
+#ifndef _MSC_VER
+# define FMT_SNPRINTF snprintf
+#else // _MSC_VER
+inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
+ va_list args;
+ va_start(args, format);
+ int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
+ va_end(args);
+ return result;
+}
+# define FMT_SNPRINTF fmt_snprintf
+#endif // _MSC_VER
+
+#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
+# define FMT_SWPRINTF snwprintf
+#else
+# define FMT_SWPRINTF swprintf
+#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
+
+// Checks if a value fits in int - used to avoid warnings about comparing
+// signed and unsigned integers.
+template <bool IsSigned>
+struct IntChecker {
+ template <typename T>
+ static bool fits_in_int(T value) {
+ unsigned max = INT_MAX;
+ return value <= max;
+ }
+ static bool fits_in_int(bool) {
+ return true;
+ }
+};
+
+template <>
+struct IntChecker<true> {
+ template <typename T>
+ static bool fits_in_int(T value) {
+ return value >= INT_MIN && value <= INT_MAX;
+ }
+};
+
+const char RESET_COLOR[] = "\x1b[0m";
+
+typedef void(*FormatFunc)(fmt::Writer &, int, fmt::StringRef);
+
+// Portable thread-safe version of strerror.
+// Sets buffer to point to a string describing the error code.
+// This can be either a pointer to a string stored in buffer,
+// or a pointer to some static immutable string.
+// Returns one of the following values:
+// 0 - success
+// ERANGE - buffer is not large enough to store the error message
+// other - failure
+// Buffer should be at least of size 1.
+int safe_strerror(
+ int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT{
+ FMT_ASSERT(buffer != 0 && buffer_size != 0, "invalid buffer");
+
+ class StrError {
+ private:
+ int error_code_;
+ char *&buffer_;
+ std::size_t buffer_size_;
+
+ // A noop assignment operator to avoid bogus warnings.
+ void operator=(const StrError &) {}
+
+ // Handle the result of XSI-compliant version of strerror_r.
+ int handle(int result) {
+ // glibc versions before 2.13 return result in errno.
+ return result == -1 ? errno : result;
+ }
+
+ // Handle the result of GNU-specific version of strerror_r.
+ int handle(char *message) {
+ // If the buffer is full then the message is probably truncated.
+ if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
+ return ERANGE;
+ buffer_ = message;
+ return 0;
+ }
+
+ // Handle the case when strerror_r is not available.
+ int handle(fmt::internal::Null<>) {
+ return fallback(strerror_s(buffer_, buffer_size_, error_code_));
+ }
+
+ // Fallback to strerror_s when strerror_r is not available.
+ int fallback(int result) {
+ // If the buffer is full then the message is probably truncated.
+ return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
+ ERANGE : result;
+ }
+
+ // Fallback to strerror if strerror_r and strerror_s are not available.
+ int fallback(fmt::internal::Null<>) {
+ errno = 0;
+ buffer_ = strerror(error_code_);
+ return errno;
+ }
+
+ public:
+ StrError(int error_code, char *&buffer, std::size_t buffer_size)
+ : error_code_(error_code), buffer_(buffer),
buffer_size_(buffer_size) {}
+
+ int run() {
+ strerror_r(0, 0, ""); // Suppress a warning about unused
strerror_r.
+ return handle(strerror_r(error_code_, buffer_, buffer_size_));
+ }
+ };
+ return StrError(error_code, buffer, buffer_size).run();
+}
+
+void format_error_code(fmt::Writer &out, int error_code,
+ fmt::StringRef message) FMT_NOEXCEPT{
+ // Report error code making sure that the output fits into
+ // INLINE_BUFFER_SIZE to avoid dynamic memory allocation and potential
+ // bad_alloc.
+ out.clear();
+ static const char SEP[] = ": ";
+ static const char ERROR_STR[] = "error ";
+ fmt::internal::IntTraits<int>::MainType ec_value = error_code;
+ // Subtract 2 to account for terminating null characters in SEP and
ERROR_STR.
+ std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
+ error_code_size += fmt::internal::count_digits(ec_value);
+ if (message.size() <= fmt::internal::INLINE_BUFFER_SIZE - error_code_size)
+ out << message << SEP;
+ out << ERROR_STR << error_code;
+ assert(out.size() <= fmt::internal::INLINE_BUFFER_SIZE);
+}
+
+void report_error(FormatFunc func,
+ int error_code, fmt::StringRef message) FMT_NOEXCEPT{
+ fmt::MemoryWriter full_message;
+ func(full_message, error_code, message);
+ // Use Writer::data instead of Writer::c_str to avoid potential memory
+ // allocation.
+ std::fwrite(full_message.data(), full_message.size(), 1, stderr);
+ std::fputc('\n', stderr);
+}
+
+// IsZeroInt::visit(arg) returns true iff arg is a zero integer.
+class IsZeroInt : public fmt::internal::ArgVisitor<IsZeroInt, bool> {
+public:
+ template <typename T>
+ bool visit_any_int(T value) {
+ return value == 0;
+ }
+};
+
+// 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>
+int parse_nonnegative_int(const Char *&s) {
+ assert('0' <= *s && *s <= '9');
+ unsigned value = 0;
+ do {
+ unsigned new_value = value * 10 + (*s++ - '0');
+ // Check if value wrapped around.
+ if (new_value < value) {
+ value = UINT_MAX;
+ break;
+ }
+ value = new_value;
+ } while ('0' <= *s && *s <= '9');
+ if (value > INT_MAX)
+ FMT_THROW(fmt::FormatError("number is too big"));
+ return value;
+}
+
+template <typename Char>
+inline bool is_name_start(Char c) {
+ return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c;
+}
+
+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));
+ }
+}
+
+template <typename Char>
+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) {
+ FMT_THROW(fmt::FormatError(fmt::format(
+ "format specifier '{}' requires signed
argument", sign)));
+ }
+ ++s;
+}
+
+// Checks if an argument is a valid printf width specifier and sets
+// left alignment if it is negative.
+class WidthHandler : public fmt::internal::ArgVisitor<WidthHandler, unsigned> {
+private:
+ fmt::FormatSpec &spec_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(WidthHandler);
+
+public:
+ explicit WidthHandler(fmt::FormatSpec &spec) : spec_(spec) {}
+
+ void report_unhandled_arg() {
+ FMT_THROW(fmt::FormatError("width is not integer"));
+ }
+
+ template <typename T>
+ unsigned visit_any_int(T value) {
+ typedef typename fmt::internal::IntTraits<T>::MainType UnsignedType;
+ UnsignedType width = value;
+ if (fmt::internal::is_negative(value)) {
+ spec_.align_ = fmt::ALIGN_LEFT;
+ width = 0 - width;
+ }
+ if (width > INT_MAX)
+ FMT_THROW(fmt::FormatError("number is too big"));
+ return static_cast<unsigned>(width);
+ }
+};
+
+class PrecisionHandler :
+ public fmt::internal::ArgVisitor<PrecisionHandler, int> {
+public:
+ void report_unhandled_arg() {
+ FMT_THROW(fmt::FormatError("precision is not integer"));
+ }
+
+ template <typename T>
+ int visit_any_int(T value) {
+ if (!IntChecker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
+ FMT_THROW(fmt::FormatError("number is too big"));
+ return static_cast<int>(value);
+ }
+};
+
+// Converts an integer argument to an integral type T for printf.
+template <typename T>
+class ArgConverter : public fmt::internal::ArgVisitor<ArgConverter<T>, void> {
+private:
+ fmt::internal::Arg &arg_;
+ wchar_t type_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(ArgConverter);
+
+public:
+ ArgConverter(fmt::internal::Arg &arg, wchar_t type)
+ : arg_(arg), type_(type) {}
+
+ template <typename U>
+ void visit_any_int(U value) {
+ bool is_signed = type_ == 'd' || type_ == 'i';
+ using fmt::internal::Arg;
+ if (sizeof(T) <= sizeof(int)) {
+ // Extra casts are used to silence warnings.
+ if (is_signed) {
+ arg_.type = Arg::INT;
+ arg_.int_value = static_cast<int>(static_cast<T>(value));
+ }
+ else {
+ arg_.type = Arg::UINT;
+ arg_.uint_value = static_cast<unsigned>(
+ static_cast<typename
fmt::internal::MakeUnsigned<T>::Type>(value));
+ }
+ }
+ else {
+ if (is_signed) {
+ arg_.type = Arg::LONG_LONG;
+ arg_.long_long_value =
+ static_cast<typename
fmt::internal::MakeUnsigned<U>::Type>(value);
+ }
+ else {
+ arg_.type = Arg::ULONG_LONG;
+ arg_.ulong_long_value =
+ static_cast<typename
fmt::internal::MakeUnsigned<U>::Type>(value);
+ }
+ }
+ }
+};
+
+// Converts an integer argument to char for printf.
+class CharConverter : public fmt::internal::ArgVisitor<CharConverter, void> {
+private:
+ fmt::internal::Arg &arg_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter);
+
+public:
+ explicit CharConverter(fmt::internal::Arg &arg) : arg_(arg) {}
+
+ template <typename T>
+ void visit_any_int(T value) {
+ arg_.type = Arg::CHAR;
+ arg_.int_value = static_cast<char>(value);
+ }
+};
+} // namespace
+
+namespace internal {
+
+template <typename Impl, typename Char>
+class BasicArgFormatter : public ArgVisitor<Impl, void> {
+private:
+ BasicWriter<Char> &writer_;
+ FormatSpec &spec_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(BasicArgFormatter);
+
+protected:
+ BasicWriter<Char> &writer() {
+ return writer_;
+ }
+ const FormatSpec &spec() const {
+ return spec_;
+ }
+
+public:
+ BasicArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
+ : writer_(w), spec_(s) {}
+
+ template <typename T>
+ 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_bool(bool value) {
+ if (spec_.type_) {
+ writer_.write_int(value, spec_);
+ return;
+ }
+ const char *str_value = value ? "true" : "false";
+ Arg::StringValue<char> str = { str_value, strlen(str_value) };
+ writer_.write_str(str, spec_);
+ }
+
+ void visit_char(int value) {
+ if (spec_.type_ && spec_.type_ != 'c') {
+ spec_.flags_ |= CHAR_FLAG;
+ writer_.write_int(value, spec_);
+ return;
+ }
+ if (spec_.align_ == ALIGN_NUMERIC || spec_.flags_ != 0)
+ FMT_THROW(FormatError("invalid format specifier for char"));
+ typedef typename BasicWriter<Char>::CharPtr CharPtr;
+ Char fill = internal::CharTraits<Char>::cast(spec_.fill());
+ CharPtr out = CharPtr();
+ if (spec_.width_ > 1) {
+ out = writer_.grow_buffer(spec_.width_);
+ if (spec_.align_ == ALIGN_RIGHT) {
+ std::fill_n(out, spec_.width_ - 1, fill);
+ out += spec_.width_ - 1;
+ }
+ else if (spec_.align_ == ALIGN_CENTER) {
+ out = writer_.fill_padding(out, spec_.width_, 1, fill);
+ }
+ else {
+ std::fill_n(out + 1, spec_.width_ - 1, fill);
+ }
+ }
+ else {
+ out = writer_.grow_buffer(1);
+ }
+ *out = internal::CharTraits<Char>::cast(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) {
+ writer_.write_str(value, spec_);
+ }
+
+ void visit_pointer(const void *value) {
+ if (spec_.type_ && spec_.type_ != 'p')
+ report_unknown_type(spec_.type_, "pointer");
+ spec_.flags_ = HASH_FLAG;
+ spec_.type_ = 'x';
+ writer_.write_int(reinterpret_cast<uintptr_t>(value), spec_);
+ }
+};
+
+// An argument formatter.
+template <typename Char>
+class ArgFormatter : public BasicArgFormatter<ArgFormatter<Char>, Char> {
+private:
+ BasicFormatter<Char> &formatter_;
+ const Char *format_;
+
+public:
+ ArgFormatter(BasicFormatter<Char> &f, FormatSpec &s, const Char *fmt)
+ : BasicArgFormatter<ArgFormatter<Char>, Char>(f.writer(), s),
+ formatter_(f), format_(fmt) {}
+
+ void visit_custom(Arg::CustomValue c) {
+ c.format(&formatter_, c.value, &format_);
+ }
+};
+
+template <typename Char>
+class PrintfArgFormatter :
+ public BasicArgFormatter<PrintfArgFormatter<Char>, Char> {
+public:
+ PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
+ : BasicArgFormatter<PrintfArgFormatter<Char>, Char>(w, s) {}
+
+ void visit_char(int value) {
+ const FormatSpec &spec = this->spec();
+ BasicWriter<Char> &writer = this->writer();
+ if (spec.type_ && spec.type_ != 'c')
+ writer.write_int(value, spec);
+ typedef typename BasicWriter<Char>::CharPtr CharPtr;
+ CharPtr out = CharPtr();
+ if (spec.width_ > 1) {
+ Char fill = ' ';
+ out = writer.grow_buffer(spec.width_);
+ if (spec.align_ != ALIGN_LEFT) {
+ std::fill_n(out, spec.width_ - 1, fill);
+ out += spec.width_ - 1;
+ }
+ else {
+ std::fill_n(out + 1, spec.width_ - 1, fill);
+ }
+ }
+ else {
+ out = writer.grow_buffer(1);
+ }
+ *out = static_cast<Char>(value);
+ }
+};
+} // namespace internal
+} // namespace fmt
+
+FMT_FUNC void fmt::SystemError::init(
+ int err_code, CStringRef format_str, ArgList args) {
+ error_code_ = err_code;
+ MemoryWriter w;
+ internal::format_system_error(w, err_code, format(format_str, args));
+ std::runtime_error &base = *this;
+ base = std::runtime_error(w.str());
+}
+
+template <typename T>
+int fmt::internal::CharTraits<char>::format_float(
+ char *buffer, std::size_t size, const char *format,
+ unsigned width, int precision, T value) {
+ if (width == 0) {
+ return precision < 0 ?
+ FMT_SNPRINTF(buffer, size, format, value) :
+ FMT_SNPRINTF(buffer, size, format, precision, value);
+ }
+ return precision < 0 ?
+ FMT_SNPRINTF(buffer, size, format, width, value) :
+ FMT_SNPRINTF(buffer, size, format, width, precision, value);
+}
+
+template <typename T>
+int fmt::internal::CharTraits<wchar_t>::format_float(
+ wchar_t *buffer, std::size_t size, const wchar_t *format,
+ unsigned width, int precision, T value) {
+ if (width == 0) {
+ return precision < 0 ?
+ FMT_SWPRINTF(buffer, size, format, value) :
+ FMT_SWPRINTF(buffer, size, format, precision, value);
+ }
+ return precision < 0 ?
+ FMT_SWPRINTF(buffer, size, format, width, value) :
+ FMT_SWPRINTF(buffer, size, format, width, precision, value);
+}
+
+template <typename T>
+const char fmt::internal::BasicData<T>::DIGITS[] =
+ "0001020304050607080910111213141516171819"
+ "2021222324252627282930313233343536373839"
+ "4041424344454647484950515253545556575859"
+ "6061626364656667686970717273747576777879"
+ "8081828384858687888990919293949596979899";
+
+#define FMT_POWERS_OF_10(factor) \
+ factor * 10, \
+ factor * 100, \
+ factor * 1000, \
+ factor * 10000, \
+ factor * 100000, \
+ factor * 1000000, \
+ factor * 10000000, \
+ factor * 100000000, \
+ factor * 1000000000
+
+template <typename T>
+const uint32_t fmt::internal::BasicData<T>::POWERS_OF_10_32[] = {
+ 0, FMT_POWERS_OF_10(1)
+};
+
+template <typename T>
+const uint64_t fmt::internal::BasicData<T>::POWERS_OF_10_64[] = {
+ 0,
+ FMT_POWERS_OF_10(1),
+ FMT_POWERS_OF_10(fmt::ULongLong(1000000000)),
+ // Multiply several constants instead of using a single long long constant
+ // to avoid warnings about C++98 not supporting long long.
+ fmt::ULongLong(1000000000) * fmt::ULongLong(1000000000) * 10
+};
+
+FMT_FUNC void fmt::internal::report_unknown_type(char code, const char *type) {
+ (void)type;
+ if (std::isprint(static_cast<unsigned char>(code))) {
+ FMT_THROW(fmt::FormatError(
+ fmt::format("unknown format code '{}' for {}", code,
type)));
+ }
+ FMT_THROW(fmt::FormatError(
+ fmt::format("unknown format code '\\x{:02x}' for {}",
+ static_cast<unsigned>(code), type)));
+}
+
+#if FMT_USE_WINDOWS_H
+
+FMT_FUNC fmt::internal::UTF8ToUTF16::UTF8ToUTF16(fmt::StringRef s) {
+ int length = MultiByteToWideChar(
+ CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s.size(), 0, 0);
+ static const char ERROR_MSG[] = "cannot convert string from UTF-8 to
UTF-16";
+ if (length == 0)
+ FMT_THROW(WindowsError(GetLastError(), ERROR_MSG));
+ buffer_.resize(length + 1);
+ length = MultiByteToWideChar(
+ CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s.size(),
&buffer_[0], length);
+ if (length == 0)
+ FMT_THROW(WindowsError(GetLastError(), ERROR_MSG));
+ buffer_[length] = 0;
+}
+
+FMT_FUNC fmt::internal::UTF16ToUTF8::UTF16ToUTF8(fmt::WStringRef s) {
+ if (int error_code = convert(s)) {
+ FMT_THROW(WindowsError(error_code,
+ "cannot convert string from UTF-16 to UTF-8"));
+ }
+}
+
+FMT_FUNC int fmt::internal::UTF16ToUTF8::convert(fmt::WStringRef s) {
+ int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s.size(), 0, 0, 0,
0);
+ if (length == 0)
+ return GetLastError();
+ buffer_.resize(length + 1);
+ length = WideCharToMultiByte(
+ CP_UTF8, 0, s.data(), s.size(), &buffer_[0], length, 0, 0);
+ if (length == 0)
+ return GetLastError();
+ buffer_[length] = 0;
+ return 0;
+}
+
+FMT_FUNC void fmt::WindowsError::init(
+ int err_code, CStringRef format_str, ArgList args) {
+ error_code_ = err_code;
+ MemoryWriter w;
+ internal::format_windows_error(w, err_code, format(format_str, args));
+ std::runtime_error &base = *this;
+ base = std::runtime_error(w.str());
+}
+
+FMT_FUNC void fmt::internal::format_windows_error(
+ fmt::Writer &out, int error_code,
+ fmt::StringRef message) FMT_NOEXCEPT{
+ class String {
+ private:
+ LPWSTR str_;
+
+ public:
+ String() : str_() {}
+ ~String() {
+ LocalFree(str_);
+ }
+ LPWSTR *ptr() {
+ return &str_;
+ }
+ LPCWSTR c_str() const { return str_; }
+ };
+ FMT_TRY{
+ String system_message;
+ if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0,
+ error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ reinterpret_cast<LPWSTR>(system_message.ptr()), 0, 0)) {
+ UTF16ToUTF8 utf8_message;
+ if (utf8_message.convert(system_message.c_str()) == ERROR_SUCCESS)
{
+ out << message << ": " << utf8_message;
+ return;
+ }
+ }
+ } FMT_CATCH(...) {}
+ format_error_code(out, error_code, message);
+}
+
+#endif // FMT_USE_WINDOWS_H
+
+FMT_FUNC void fmt::internal::format_system_error(
+ fmt::Writer &out, int error_code,
+ fmt::StringRef message) FMT_NOEXCEPT{
+ FMT_TRY{
+ MemoryBuffer<char, INLINE_BUFFER_SIZE> buffer;
+ buffer.resize(INLINE_BUFFER_SIZE);
+ for (;;) {
+ char *system_message = &buffer[0];
+ int result = safe_strerror(error_code, system_message,
buffer.size());
+ if (result == 0) {
+ out << message << ": " << system_message;
+ return;
+ }
+ if (result != ERANGE)
+ break; // Can't get error message, report error code instead.
+ buffer.resize(buffer.size() * 2);
+ }
+ } FMT_CATCH(...) {}
+ format_error_code(out, error_code, message);
+}
+
+template <typename Char>
+void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
+ if (!map_.empty())
+ return;
+ typedef internal::NamedArg<Char> NamedArg;
+ const NamedArg *named_arg = 0;
+ bool use_values =
+ args.type(ArgList::MAX_PACKED_ARGS - 1) == internal::Arg::NONE;
+ if (use_values) {
+ for (unsigned i = 0;/*nothing*/; ++i) {
+ internal::Arg::Type arg_type = args.type(i);
+ switch (arg_type) {
+ case internal::Arg::NONE:
+ return;
+ case internal::Arg::NAMED_ARG:
+ named_arg = static_cast<const
NamedArg*>(args.values_[i].pointer);
+ map_.insert(Pair(named_arg->name, *named_arg));
+ break;
+ default:
+ /*nothing*/
+ ;
+ }
+ }
+ return;
+ }
+ for (unsigned i = 0; i != ArgList::MAX_PACKED_ARGS; ++i) {
+ internal::Arg::Type arg_type = args.type(i);
+ if (arg_type == internal::Arg::NAMED_ARG) {
+ named_arg = static_cast<const NamedArg*>(args.args_[i].pointer);
+ map_.insert(Pair(named_arg->name, *named_arg));
+ }
+ }
+ for (unsigned i = ArgList::MAX_PACKED_ARGS;/*nothing*/; ++i) {
+ switch (args.args_[i].type) {
+ case internal::Arg::NONE:
+ return;
+ case internal::Arg::NAMED_ARG:
+ named_arg = static_cast<const NamedArg*>(args.args_[i].pointer);
+ map_.insert(Pair(named_arg->name, *named_arg));
+ break;
+ default:
+ /*nothing*/
+ ;
+ }
+ }
+}
+
+template <typename Char>
+void fmt::internal::FixedBuffer<Char>::grow(std::size_t) {
+ FMT_THROW(std::runtime_error("buffer overflow"));
+}
+
+template <typename Char>
+template <typename StrChar>
+void fmt::BasicWriter<Char>::write_str(
+ const 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)
+ FMT_THROW(FormatError("string pointer is null"));
+ if (*str_value)
+ str_size = std::char_traits<StrChar>::length(str_value);
+ }
+ std::size_t precision = spec.precision_;
+ if (spec.precision_ >= 0 && precision < str_size)
+ str_size = spec.precision_;
+ write_str(str_value, str_size, spec);
+}
+
+template <typename Char>
+inline Arg fmt::BasicFormatter<Char>::get_arg(
+ BasicStringRef<Char> arg_name, const char *&error) {
+ if (check_no_auto_index(error)) {
+ map_.init(args());
+ const Arg *arg = map_.find(arg_name);
+ if (arg)
+ return *arg;
+ error = "argument not found";
+ }
+ return Arg();
+}
+
+template <typename Char>
+inline Arg fmt::BasicFormatter<Char>::parse_arg_index(const Char *&s) {
+ const char *error = 0;
+ Arg arg = *s < '0' || *s > '9' ?
+ next_arg(error) : get_arg(parse_nonnegative_int(s), error);
+ if (error) {
+ FMT_THROW(FormatError(
+ *s != '}' && *s != ':' ? "invalid format string" :
error));
+ }
+ return arg;
+}
+
+template <typename Char>
+inline Arg fmt::BasicFormatter<Char>::parse_arg_name(const Char *&s) {
+ assert(is_name_start(*s));
+ const Char *start = s;
+ Char c;
+ do {
+ c = *++s;
+ } while (is_name_start(c) || ('0' <= c && c <= '9'));
+ const char *error = 0;
+ Arg arg = get_arg(fmt::BasicStringRef<Char>(start, s - start), error);
+ if (error)
+ FMT_THROW(fmt::FormatError(error));
+ return arg;
+}
+
+FMT_FUNC Arg fmt::internal::FormatterBase::do_get_arg(
+ unsigned arg_index, const char *&error) {
+ Arg arg = args_[arg_index];
+ switch (arg.type) {
+ case Arg::NONE:
+ error = "argument index out of range";
+ break;
+ case Arg::NAMED_ARG:
+ arg = *static_cast<const internal::Arg*>(arg.pointer);
+ default:
+ /*nothing*/
+ ;
+ }
+ return arg;
+}
+
+inline Arg fmt::internal::FormatterBase::next_arg(const char *&error) {
+ if (next_arg_index_ >= 0)
+ return do_get_arg(next_arg_index_++, error);
+ error = "cannot switch from manual to automatic argument indexing";
+ return Arg();
+}
+
+inline bool fmt::internal::FormatterBase::check_no_auto_index(
+ const char *&error) {
+ if (next_arg_index_ > 0) {
+ error = "cannot switch from automatic to manual argument indexing";
+ return false;
+ }
+ next_arg_index_ = -1;
+ return true;
+}
+
+inline Arg fmt::internal::FormatterBase::get_arg(
+ unsigned arg_index, const char *&error) {
+ return check_no_auto_index(error) ? do_get_arg(arg_index, error) : Arg();
+}
+
+template <typename Char>
+void fmt::internal::PrintfFormatter<Char>::parse_flags(
+ FormatSpec &spec, const Char *&s) {
+ for (;;) {
+ switch (*s++) {
+ case '-':
+ spec.align_ = ALIGN_LEFT;
+ break;
+ case '+':
+ spec.flags_ |= SIGN_FLAG | PLUS_FLAG;
+ break;
+ case '0':
+ spec.fill_ = '0';
+ break;
+ case ' ':
+ spec.flags_ |= SIGN_FLAG;
+ break;
+ case '#':
+ spec.flags_ |= HASH_FLAG;
+ break;
+ default:
+ --s;
+ return;
+ }
+ }
+}
+
+template <typename Char>
+Arg fmt::internal::PrintfFormatter<Char>::get_arg(
+ const Char *s, unsigned arg_index) {
+ (void)s;
+ const char *error = 0;
+ Arg arg = arg_index == UINT_MAX ?
+ next_arg(error) : FormatterBase::get_arg(arg_index - 1, error);
+ if (error)
+ FMT_THROW(FormatError(!*s ? "invalid format string" : error));
+ return arg;
+}
+
+template <typename Char>
+unsigned fmt::internal::PrintfFormatter<Char>::parse_header(
+ const Char *&s, FormatSpec &spec) {
+ unsigned arg_index = UINT_MAX;
+ Char c = *s;
+ if (c >= '0' && c <= '9') {
+ // Parse an argument index (if followed by '$') or a width possibly
+ // preceded with '0' flag(s).
+ unsigned value = parse_nonnegative_int(s);
+ if (*s == '$') { // value is an argument index
+ ++s;
+ arg_index = value;
+ }
+ else {
+ if (c == '0')
+ spec.fill_ = '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;
+ return arg_index;
+ }
+ }
+ }
+ parse_flags(spec, s);
+ // Parse width.
+ if (*s >= '0' && *s <= '9') {
+ spec.width_ = parse_nonnegative_int(s);
+ }
+ else if (*s == '*') {
+ ++s;
+ spec.width_ = WidthHandler(spec).visit(get_arg(s));
+ }
+ return arg_index;
+}
+
+template <typename Char>
+void fmt::internal::PrintfFormatter<Char>::format(
+ BasicWriter<Char> &writer, BasicCStringRef<Char> format_str,
+ const ArgList &args) {
+ const Char *start = format_str.c_str();
+ set_args(args);
+ const Char *s = start;
+ while (*s) {
+ Char c = *s++;
+ if (c != '%') continue;
+ if (*s == c) {
+ write(writer, start, s);
+ start = ++s;
+ continue;
+ }
+ write(writer, start, s - 1);
+
+ FormatSpec spec;
+ spec.align_ = ALIGN_RIGHT;
+
+ // Parse argument index, flags and width.
+ unsigned arg_index = parse_header(s, spec);
+
+ // Parse precision.
+ if (*s == '.') {
+ ++s;
+ if ('0' <= *s && *s <= '9') {
+ spec.precision_ = parse_nonnegative_int(s);
+ }
+ else if (*s == '*') {
+ ++s;
+ spec.precision_ = PrecisionHandler().visit(get_arg(s));
+ }
+ }
+
+ Arg arg = get_arg(s, arg_index);
+ if (spec.flag(HASH_FLAG) && IsZeroInt().visit(arg))
+ spec.flags_ &= ~HASH_FLAG;
+ if (spec.fill_ == '0') {
+ if (arg.type <= Arg::LAST_NUMERIC_TYPE)
+ spec.align_ = ALIGN_NUMERIC;
+ else
+ spec.fill_ = ' '; // Ignore '0' flag for non-numeric types.
+ }
+
+ // Parse length and convert the argument to the required type.
+ switch (*s++) {
+ case 'h':
+ if (*s == 'h')
+ ArgConverter<signed char>(arg, *++s).visit(arg);
+ else
+ ArgConverter<short>(arg, *s).visit(arg);
+ break;
+ case 'l':
+ if (*s == 'l')
+ ArgConverter<fmt::LongLong>(arg, *++s).visit(arg);
+ else
+ ArgConverter<long>(arg, *s).visit(arg);
+ break;
+ case 'j':
+ ArgConverter<intmax_t>(arg, *s).visit(arg);
+ break;
+ case 'z':
+ ArgConverter<size_t>(arg, *s).visit(arg);
+ break;
+ case 't':
+ ArgConverter<ptrdiff_t>(arg, *s).visit(arg);
+ break;
+ case 'L':
+ // printf produces garbage when 'L' is omitted for long double, no
+ // need to do the same.
+ break;
+ default:
+ --s;
+ ArgConverter<int>(arg, *s).visit(arg);
+ }
+
+ // Parse type.
+ if (!*s)
+ FMT_THROW(FormatError("invalid format string"));
+ spec.type_ = static_cast<char>(*s++);
+ if (arg.type <= Arg::LAST_INTEGER_TYPE) {
+ // Normalize type.
+ switch (spec.type_) {
+ case 'i':
+ case 'u':
+ spec.type_ = 'd';
+ break;
+ case 'c':
+ // TODO: handle wchar_t
+ CharConverter(arg).visit(arg);
+ break;
+ }
+ }
+
+ start = s;
+
+ // Format argument.
+ internal::PrintfArgFormatter<Char>(writer, spec).visit(arg);
+ }
+ write(writer, start, s);
+}
+
+template <typename Char>
+const Char *fmt::BasicFormatter<Char>::format(
+ const Char *&format_str, const Arg &arg) {
+ const Char *s = format_str;
+ FormatSpec spec;
+ 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) {
+ const Char *p = s + 1;
+ spec.align_ = ALIGN_DEFAULT;
+ do {
+ switch (*p) {
+ case '<':
+ spec.align_ = ALIGN_LEFT;
+ break;
+ case '>':
+ spec.align_ = ALIGN_RIGHT;
+ break;
+ case '=':
+ spec.align_ = ALIGN_NUMERIC;
+ break;
+ case '^':
+ spec.align_ = ALIGN_CENTER;
+ break;
+ }
+ 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;
+ if (spec.align_ == ALIGN_NUMERIC)
+ require_numeric_argument(arg, '=');
+ break;
+ }
+ } while (--p >= s);
+ }
+
+ // Parse sign.
+ switch (*s) {
+ case '+':
+ check_sign(s, arg);
+ spec.flags_ |= SIGN_FLAG | PLUS_FLAG;
+ break;
+ case '-':
+ check_sign(s, arg);
+ spec.flags_ |= MINUS_FLAG;
+ break;
+ case ' ':
+ check_sign(s, arg);
+ spec.flags_ |= SIGN_FLAG;
+ break;
+ }
+
+ if (*s == '#') {
+ require_numeric_argument(arg, '#');
+ spec.flags_ |= HASH_FLAG;
+ ++s;
+ }
+
+ // Parse zero flag.
+ if (*s == '0') {
+ require_numeric_argument(arg, '0');
+ spec.align_ = ALIGN_NUMERIC;
+ spec.fill_ = '0';
+ ++s;
+ }
+
+ // Parse width.
+ if ('0' <= *s && *s <= '9') {
+ spec.width_ = parse_nonnegative_int(s);
+ }
+ else if (*s == '{') {
+ ++s;
+ Arg width_arg = 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) {
+ case Arg::INT:
+ if (width_arg.int_value < 0)
+ FMT_THROW(FormatError("negative width"));
+ value = width_arg.int_value;
+ break;
+ case Arg::UINT:
+ value = width_arg.uint_value;
+ break;
+ case Arg::LONG_LONG:
+ if (width_arg.long_long_value < 0)
+ FMT_THROW(FormatError("negative width"));
+ value = width_arg.long_long_value;
+ break;
+ case Arg::ULONG_LONG:
+ value = width_arg.ulong_long_value;
+ break;
+ default:
+ FMT_THROW(FormatError("width is not integer"));
+ }
+ if (value > INT_MAX)
+ FMT_THROW(FormatError("number is too big"));
+ spec.width_ = static_cast<int>(value);
+ }
+
+ // Parse precision.
+ if (*s == '.') {
+ ++s;
+ spec.precision_ = 0;
+ if ('0' <= *s && *s <= '9') {
+ spec.precision_ = parse_nonnegative_int(s);
+ }
+ else if (*s == '{') {
+ ++s;
+ Arg precision_arg =
+ 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) {
+ case Arg::INT:
+ if (precision_arg.int_value < 0)
+ FMT_THROW(FormatError("negative precision"));
+ value = precision_arg.int_value;
+ break;
+ case Arg::UINT:
+ value = precision_arg.uint_value;
+ break;
+ case Arg::LONG_LONG:
+ if (precision_arg.long_long_value < 0)
+ FMT_THROW(FormatError("negative precision"));
+ value = precision_arg.long_long_value;
+ break;
+ case Arg::ULONG_LONG:
+ value = precision_arg.ulong_long_value;
+ break;
+ default:
+ FMT_THROW(FormatError("precision is not integer"));
+ }
+ if (value > INT_MAX)
+ FMT_THROW(FormatError("number is too big"));
+ spec.precision_ = static_cast<int>(value);
+ }
+ else {
+ FMT_THROW(FormatError("missing precision specifier"));
+ }
+ 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")));
+ }
+ }
+
+ // Parse type.
+ if (*s != '}' && *s)
+ spec.type_ = static_cast<char>(*s++);
+ }
+
+ if (*s++ != '}')
+ FMT_THROW(FormatError("missing '}' in format string"));
+ start_ = s;
+
+ // Format argument.
+ internal::ArgFormatter<Char>(*this, spec, s - 1).visit(arg);
+ return s;
+}
+
+template <typename Char>
+void fmt::BasicFormatter<Char>::format(
+ BasicCStringRef<Char> format_str, const ArgList &args) {
+ const Char *s = start_ = format_str.c_str();
+ set_args(args);
+ while (*s) {
+ Char c = *s++;
+ if (c != '{' && c != '}') continue;
+ if (*s == c) {
+ write(writer_, start_, s);
+ start_ = ++s;
+ continue;
+ }
+ if (c == '}')
+ FMT_THROW(FormatError("unmatched '}' in format string"));
+ write(writer_, start_, s - 1);
+ Arg arg = is_name_start(*s) ? parse_arg_name(s) : parse_arg_index(s);
+ s = format(s, arg);
+ }
+ write(writer_, start_, s);
+}
+
+FMT_FUNC void fmt::report_system_error(
+ int error_code, fmt::StringRef message) FMT_NOEXCEPT{
+ report_error(internal::format_system_error, error_code, message);
+}
+
+#if FMT_USE_WINDOWS_H
+FMT_FUNC void fmt::report_windows_error(
+ int error_code, fmt::StringRef message) FMT_NOEXCEPT{
+ report_error(internal::format_windows_error, error_code, message);
+}
+#endif
+
+FMT_FUNC void fmt::print(std::FILE *f, CStringRef format_str, ArgList args) {
+ MemoryWriter w;
+ w.write(format_str, args);
+ std::fwrite(w.data(), 1, w.size(), f);
+}
+
+FMT_FUNC void fmt::print(CStringRef format_str, ArgList args) {
+ print(stdout, format_str, args);
+}
+
+FMT_FUNC void fmt::print(std::ostream &os, CStringRef format_str, ArgList
args) {
+ MemoryWriter w;
+ w.write(format_str, args);
+ os.write(w.data(), w.size());
+}
+
+FMT_FUNC void fmt::print_colored(Color c, CStringRef format, ArgList args) {
+ char escape[] = "\x1b[30m";
+ escape[3] = '0' + static_cast<char>(c);
+ std::fputs(escape, stdout);
+ print(format, args);
+ std::fputs(RESET_COLOR, stdout);
+}
+
+FMT_FUNC int fmt::fprintf(std::FILE *f, CStringRef format, ArgList args) {
+ MemoryWriter w;
+ printf(w, format, args);
+ std::size_t size = w.size();
+ return std::fwrite(w.data(), 1, size, f) < size ? -1 :
static_cast<int>(size);
+}
+
+#ifndef FMT_HEADER_ONLY
+
+template struct fmt::internal::BasicData<void>;
+
+// Explicit instantiations for char.
+
+template void fmt::internal::FixedBuffer<char>::grow(std::size_t);
+
+template const char *fmt::BasicFormatter<char>::format(
+ const char *&format_str, const fmt::internal::Arg &arg);
+
+template void fmt::BasicFormatter<char>::format(
+ CStringRef format, const ArgList &args);
+
+template void fmt::internal::PrintfFormatter<char>::format(
+ BasicWriter<char> &writer, CStringRef format, const ArgList &args);
+
+template int fmt::internal::CharTraits<char>::format_float(
+ char *buffer, std::size_t size, const char *format,
+ unsigned width, int precision, double value);
+
+template int fmt::internal::CharTraits<char>::format_float(
+ char *buffer, std::size_t size, const char *format,
+ unsigned width, int precision, long double value);
+
+// Explicit instantiations for wchar_t.
+
+template void fmt::internal::FixedBuffer<wchar_t>::grow(std::size_t);
+
+template const wchar_t *fmt::BasicFormatter<wchar_t>::format(
+ const wchar_t *&format_str, const fmt::internal::Arg &arg);
+
+template void fmt::BasicFormatter<wchar_t>::format(
+ BasicCStringRef<wchar_t> format, const ArgList &args);
+
+template void fmt::internal::PrintfFormatter<wchar_t>::format(
+ BasicWriter<wchar_t> &writer, WCStringRef format,
+ const ArgList &args);
+
+template int fmt::internal::CharTraits<wchar_t>::format_float(
+ wchar_t *buffer, std::size_t size, const wchar_t *format,
+ unsigned width, int precision, double value);
+
+template int fmt::internal::CharTraits<wchar_t>::format_float(
+ wchar_t *buffer, std::size_t size, const wchar_t *format,
+ unsigned width, int precision, long double value);
+
+#endif // FMT_HEADER_ONLY
+
+#if _MSC_VER
+# pragma warning(pop)
+#endif
\ No newline at end of file
