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-rw-r--r--vendor/fmt-3.0.1/fmt/format.cc940
1 files changed, 940 insertions, 0 deletions
diff --git a/vendor/fmt-3.0.1/fmt/format.cc b/vendor/fmt-3.0.1/fmt/format.cc
new file mode 100644
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+++ b/vendor/fmt-3.0.1/fmt/format.cc
@@ -0,0 +1,940 @@
+/*
+ Formatting library for C++
+
+ Copyright (c) 2012 - 2016, 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>
+#include <cstddef> // for std::ptrdiff_t
+
+#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;
+
+#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
+
+#ifdef _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 {
+
+FMT_FUNC internal::RuntimeError::~RuntimeError() throw() {}
+FMT_FUNC FormatError::~FormatError() throw() {}
+FMT_FUNC SystemError::~SystemError() throw() {}
+
+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;
+ }
+ static bool fits_in_int(int) { return true; }
+};
+
+const char RESET_COLOR[] = "\x1b[0m";
+
+typedef void (*FormatFunc)(Writer &, int, 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(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(internal::Null<>) {
+ errno = 0;
+ buffer_ = strerror(error_code_);
+ return errno;
+ }
+
+ public:
+ StrError(int err_code, char *&buf, std::size_t buf_size)
+ : error_code_(err_code), buffer_(buf), buffer_size_(buf_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(Writer &out, int error_code,
+ 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 ";
+ // 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;
+ typedef internal::IntTraits<int>::MainType MainType;
+ MainType abs_value = static_cast<MainType>(error_code);
+ if (internal::is_negative(error_code)) {
+ abs_value = 0 - abs_value;
+ ++error_code_size;
+ }
+ error_code_size += internal::count_digits(abs_value);
+ if (message.size() <= internal::INLINE_BUFFER_SIZE - error_code_size)
+ out << message << SEP;
+ out << ERROR_STR << error_code;
+ assert(out.size() <= internal::INLINE_BUFFER_SIZE);
+}
+
+void report_error(FormatFunc func, int error_code,
+ StringRef message) FMT_NOEXCEPT {
+ 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 ArgVisitor<IsZeroInt, bool> {
+ public:
+ template <typename T>
+ bool visit_any_int(T value) { return value == 0; }
+};
+
+// 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:
+ FormatSpec &spec_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(WidthHandler);
+
+ public:
+ explicit WidthHandler(FormatSpec &spec) : spec_(spec) {}
+
+ void report_unhandled_arg() {
+ FMT_THROW(FormatError("width is not integer"));
+ }
+
+ template <typename T>
+ unsigned visit_any_int(T value) {
+ typedef typename internal::IntTraits<T>::MainType UnsignedType;
+ UnsignedType width = static_cast<UnsignedType>(value);
+ if (internal::is_negative(value)) {
+ spec_.align_ = ALIGN_LEFT;
+ width = 0 - width;
+ }
+ if (width > INT_MAX)
+ FMT_THROW(FormatError("number is too big"));
+ return static_cast<unsigned>(width);
+ }
+};
+
+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) {
+ if (!IntChecker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
+ FMT_THROW(FormatError("number is too big"));
+ return static_cast<int>(value);
+ }
+};
+
+template <typename T, typename U>
+struct is_same {
+ enum { value = 0 };
+};
+
+template <typename T>
+struct is_same<T, T> {
+ enum { value = 1 };
+};
+
+// An argument visitor that converts an integer argument to T for printf,
+// if T is an integral type. If T is void, the argument is converted to
+// 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:
+ internal::Arg &arg_;
+ wchar_t type_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(ArgConverter);
+
+ public:
+ ArgConverter(internal::Arg &arg, wchar_t type)
+ : arg_(arg), type_(type) {}
+
+ void visit_bool(bool value) {
+ if (type_ != 's')
+ visit_any_int(value);
+ }
+
+ template <typename U>
+ 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)) {
+ // Extra casts are used to silence warnings.
+ if (is_signed) {
+ arg_.type = Arg::INT;
+ arg_.int_value = static_cast<int>(static_cast<TargetType>(value));
+ } 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) {
+ 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 {
+ arg_.type = Arg::ULONG_LONG;
+ arg_.ulong_long_value =
+ static_cast<typename internal::MakeUnsigned<U>::Type>(value);
+ }
+ }
+ }
+};
+
+// Converts an integer argument to char for printf.
+class CharConverter : public ArgVisitor<CharConverter, void> {
+ private:
+ internal::Arg &arg_;
+
+ FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter);
+
+ public:
+ explicit CharConverter(internal::Arg &arg) : arg_(arg) {}
+
+ template <typename T>
+ void visit_any_int(T value) {
+ arg_.type = internal::Arg::CHAR;
+ arg_.int_value = static_cast<char>(value);
+ }
+};
+} // namespace
+
+namespace internal {
+
+template <typename Char>
+class PrintfArgFormatter :
+ public ArgFormatterBase<PrintfArgFormatter<Char>, Char> {
+
+ void write_null_pointer() {
+ this->spec().type_ = 0;
+ this->write("(nil)");
+ }
+
+ typedef ArgFormatterBase<PrintfArgFormatter<Char>, Char> Base;
+
+ public:
+ PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
+ : ArgFormatterBase<PrintfArgFormatter<Char>, Char>(w, s) {}
+
+ void visit_bool(bool value) {
+ FormatSpec &fmt_spec = this->spec();
+ if (fmt_spec.type_ != 's')
+ return this->visit_any_int(value);
+ fmt_spec.type_ = 0;
+ this->write(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) {
+ Char fill = ' ';
+ out = w.grow_buffer(fmt_spec.width_);
+ if (fmt_spec.align_ != ALIGN_LEFT) {
+ std::fill_n(out, fmt_spec.width_ - 1, fill);
+ out += fmt_spec.width_ - 1;
+ } else {
+ std::fill_n(out + 1, fmt_spec.width_ - 1, fill);
+ }
+ } else {
+ out = w.grow_buffer(1);
+ }
+ *out = static_cast<Char>(value);
+ }
+
+ void visit_cstring(const char *value) {
+ if (value)
+ Base::visit_cstring(value);
+ else if (this->spec().type_ == 'p')
+ write_null_pointer();
+ else
+ this->write("(null)");
+ }
+
+ void visit_pointer(const void *value) {
+ if (value)
+ return Base::visit_pointer(value);
+ this->spec().type_ = 0;
+ write_null_pointer();
+ }
+
+ void visit_custom(Arg::CustomValue c) {
+ BasicFormatter<Char> formatter(ArgList(), this->writer());
+ const Char format_str[] = {'}', 0};
+ const Char *format = format_str;
+ c.format(&formatter, c.value, &format);
+ }
+};
+} // 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) {
+ static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
+ if (s.size() > INT_MAX)
+ FMT_THROW(WindowsError(ERROR_INVALID_PARAMETER, ERROR_MSG));
+ int s_size = static_cast<int>(s.size());
+ int length = MultiByteToWideChar(
+ CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, 0, 0);
+ 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) {
+ if (s.size() > INT_MAX)
+ return ERROR_INVALID_PARAMETER;
+ int s_size = static_cast<int>(s.size());
+ 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 {
+ FMT_TRY {
+ MemoryBuffer<wchar_t, INLINE_BUFFER_SIZE> buffer;
+ buffer.resize(INLINE_BUFFER_SIZE);
+ for (;;) {
+ wchar_t *system_message = &buffer[0];
+ int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ 0, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ system_message, static_cast<uint32_t>(buffer.size()), 0);
+ if (result != 0) {
+ UTF16ToUTF8 utf8_message;
+ if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
+ out << message << ": " << utf8_message;
+ return;
+ }
+ break;
+ }
+ if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+ break; // Can't get error message, report error code instead.
+ buffer.resize(buffer.size() * 2);
+ }
+ } FMT_CATCH(...) {}
+ fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
+}
+
+#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(...) {}
+ fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
+}
+
+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_.push_back(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_.push_back(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_.push_back(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"));
+}
+
+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);
+ break;
+ default:
+ /*nothing*/;
+ }
+ return 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 Char *start = format_str.c_str();
+ 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_ = static_cast<int>(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_ &= ~to_unsigned<int>(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<std::size_t>(arg, *s).visit(arg);
+ break;
+ case 't':
+ ArgConverter<std::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<void>(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);
+}
+
+FMT_FUNC void fmt::report_system_error(
+ int error_code, fmt::StringRef message) FMT_NOEXCEPT {
+ // 'fmt::' is for bcc32.
+ fmt::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 {
+ // 'fmt::' is for bcc32.
+ fmt::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_colored(Color c, CStringRef format, ArgList args) {
+ char escape[] = "\x1b[30m";
+ escape[3] = static_cast<char>('0' + 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 void fmt::internal::ArgMap<char>::init(const fmt::ArgList &args);
+
+template void fmt::internal::PrintfFormatter<char>::format(
+ BasicWriter<char> &writer, CStringRef format);
+
+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 void fmt::internal::ArgMap<wchar_t>::init(const fmt::ArgList &args);
+
+template void fmt::internal::PrintfFormatter<wchar_t>::format(
+ BasicWriter<wchar_t> &writer, WCStringRef format);
+
+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
+
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 18:56:41 +0000