lexical_util/not_feature_format.rs
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//! Bare bones implementation of the format packed struct without feature
//! `format`.
//!
//! See `feature_format` for detailed documentation.
#![cfg(not(feature = "format"))]
use crate::error::Error;
use crate::format_builder::NumberFormatBuilder;
use crate::format_flags as flags;
/// Wrapper for the 128-bit packed struct.
///
/// The following values are explicitly set, and therefore not configurable:
/// 1. required_integer_digits
/// 2. required_fraction_digits
/// 3. required_exponent_digits
/// 4. required_mantissa_digits
/// 5. required_digits
/// 6. no_positive_mantissa_sign
/// 7. required_mantissa_sign
/// 8. no_exponent_notation
/// 9. no_positive_exponent_sign
/// 10. required_exponent_sign
/// 11. no_exponent_without_fraction
/// 12. no_special
/// 13. case_sensitive_special
/// 14. no_integer_leading_zeros
/// 15. no_float_leading_zeros
/// 16. required_exponent_notation
/// 17. case_sensitive_exponent
/// 18. case_sensitive_base_prefix
/// 19. case_sensitive_base_suffix
/// 20. integer_internal_digit_separator
/// 21. fraction_internal_digit_separator
/// 22. exponent_internal_digit_separator
/// 23. internal_digit_separator
/// 24. integer_leading_digit_separator
/// 25. fraction_leading_digit_separator
/// 26. exponent_leading_digit_separator
/// 27. leading_digit_separator
/// 28. integer_trailing_digit_separator
/// 29. fraction_trailing_digit_separator
/// 30. exponent_trailing_digit_separator
/// 31. trailing_digit_separator
/// 32. integer_consecutive_digit_separator
/// 33. fraction_consecutive_digit_separator
/// 34. exponent_consecutive_digit_separator
/// 35. consecutive_digit_separator
/// 36. special_digit_separator
/// 37. digit_separator
/// 38. base_prefix
/// 39. base_suffix
/// 40. exponent_base
/// 41. exponent_radix
///
/// See `NumberFormatBuilder` for the `FORMAT` fields
/// for the packed struct.
#[doc(hidden)]
pub struct NumberFormat<const FORMAT: u128>;
impl<const FORMAT: u128> NumberFormat<FORMAT> {
// CONSTRUCTORS
/// Create new instance (for methods and validation).
pub const fn new() -> Self {
Self {}
}
// VALIDATION
/// Determine if the number format is valid.
pub const fn is_valid(&self) -> bool {
self.error().is_success()
}
/// Get the error type from the format.
pub const fn error(&self) -> Error {
let valid_flags = flags::REQUIRED_EXPONENT_DIGITS | flags::REQUIRED_MANTISSA_DIGITS;
if !flags::is_valid_radix(self.mantissa_radix()) {
Error::InvalidMantissaRadix
} else if !flags::is_valid_radix(self.exponent_base()) {
Error::InvalidExponentBase
} else if !flags::is_valid_radix(self.exponent_radix()) {
Error::InvalidExponentRadix
} else if !flags::is_valid_digit_separator(FORMAT) {
Error::InvalidDigitSeparator
} else if !flags::is_valid_base_prefix(FORMAT) {
Error::InvalidBasePrefix
} else if !flags::is_valid_base_suffix(FORMAT) {
Error::InvalidBaseSuffix
} else if !flags::is_valid_punctuation(FORMAT) {
Error::InvalidPunctuation
} else if self.flags() != valid_flags {
Error::InvalidFlags
} else {
Error::Success
}
}
// NON-DIGIT SEPARATOR FLAGS & MASKS
/// If digits are required before the decimal point.
pub const REQUIRED_INTEGER_DIGITS: bool = false;
/// Get if digits are required before the decimal point.
#[inline(always)]
pub const fn required_integer_digits(&self) -> bool {
Self::REQUIRED_INTEGER_DIGITS
}
/// If digits are required after the decimal point.
pub const REQUIRED_FRACTION_DIGITS: bool = false;
/// Get if digits are required after the decimal point.
#[inline(always)]
pub const fn required_fraction_digits(&self) -> bool {
Self::REQUIRED_FRACTION_DIGITS
}
/// If digits are required after the exponent character.
pub const REQUIRED_EXPONENT_DIGITS: bool = true;
/// Get if digits are required after the exponent character.
#[inline(always)]
pub const fn required_exponent_digits(&self) -> bool {
Self::REQUIRED_EXPONENT_DIGITS
}
/// If significant digits are required.
pub const REQUIRED_MANTISSA_DIGITS: bool = true;
/// Get if significant digits are required.
#[inline(always)]
pub const fn required_mantissa_digits(&self) -> bool {
Self::REQUIRED_MANTISSA_DIGITS
}
/// If at least 1 digit in the number is required.
pub const REQUIRED_DIGITS: bool = true;
/// Get if at least 1 digit in the number is required.
#[inline(always)]
pub const fn required_digits(&self) -> bool {
Self::REQUIRED_DIGITS
}
/// If a positive sign before the mantissa is not allowed.
pub const NO_POSITIVE_MANTISSA_SIGN: bool = false;
/// Get if a positive sign before the mantissa is not allowed.
#[inline(always)]
pub const fn no_positive_mantissa_sign(&self) -> bool {
Self::NO_POSITIVE_MANTISSA_SIGN
}
/// If a sign symbol before the mantissa is required.
pub const REQUIRED_MANTISSA_SIGN: bool = false;
/// Get if a sign symbol before the mantissa is required.
#[inline(always)]
pub const fn required_mantissa_sign(&self) -> bool {
Self::REQUIRED_MANTISSA_SIGN
}
/// If exponent notation is not allowed.
pub const NO_EXPONENT_NOTATION: bool = false;
/// Get if exponent notation is not allowed.
#[inline(always)]
pub const fn no_exponent_notation(&self) -> bool {
Self::NO_EXPONENT_NOTATION
}
/// If a positive sign before the exponent is not allowed.
pub const NO_POSITIVE_EXPONENT_SIGN: bool = false;
/// Get if a positive sign before the exponent is not allowed.
#[inline(always)]
pub const fn no_positive_exponent_sign(&self) -> bool {
Self::NO_POSITIVE_EXPONENT_SIGN
}
/// If a sign symbol before the exponent is required.
pub const REQUIRED_EXPONENT_SIGN: bool = false;
/// Get if a sign symbol before the exponent is required.
#[inline(always)]
pub const fn required_exponent_sign(&self) -> bool {
Self::REQUIRED_EXPONENT_SIGN
}
/// If an exponent without fraction is not allowed.
pub const NO_EXPONENT_WITHOUT_FRACTION: bool = false;
/// Get if an exponent without fraction is not allowed.
#[inline(always)]
pub const fn no_exponent_without_fraction(&self) -> bool {
Self::NO_EXPONENT_WITHOUT_FRACTION
}
/// If special (non-finite) values are not allowed.
pub const NO_SPECIAL: bool = false;
/// Get if special (non-finite) values are not allowed.
#[inline(always)]
pub const fn no_special(&self) -> bool {
Self::NO_SPECIAL
}
/// If special (non-finite) values are case-sensitive.
pub const CASE_SENSITIVE_SPECIAL: bool = false;
/// Get if special (non-finite) values are case-sensitive.
#[inline(always)]
pub const fn case_sensitive_special(&self) -> bool {
Self::CASE_SENSITIVE_SPECIAL
}
/// If leading zeros before an integer are not allowed.
pub const NO_INTEGER_LEADING_ZEROS: bool = false;
/// Get if leading zeros before an integer are not allowed.
#[inline(always)]
pub const fn no_integer_leading_zeros(&self) -> bool {
Self::NO_INTEGER_LEADING_ZEROS
}
/// If leading zeros before a float are not allowed.
pub const NO_FLOAT_LEADING_ZEROS: bool = false;
/// Get if leading zeros before a float are not allowed.
#[inline(always)]
pub const fn no_float_leading_zeros(&self) -> bool {
Self::NO_FLOAT_LEADING_ZEROS
}
/// If exponent notation is required.
pub const REQUIRED_EXPONENT_NOTATION: bool = false;
/// Get if exponent notation is required.
#[inline(always)]
pub const fn required_exponent_notation(&self) -> bool {
Self::REQUIRED_EXPONENT_NOTATION
}
/// If exponent characters are case-sensitive.
pub const CASE_SENSITIVE_EXPONENT: bool = false;
/// Get if exponent characters are case-sensitive.
#[inline(always)]
pub const fn case_sensitive_exponent(&self) -> bool {
Self::CASE_SENSITIVE_EXPONENT
}
/// If base prefixes are case-sensitive.
pub const CASE_SENSITIVE_BASE_PREFIX: bool = false;
/// Get if base prefixes are case-sensitive.
#[inline(always)]
pub const fn case_sensitive_base_prefix(&self) -> bool {
Self::CASE_SENSITIVE_BASE_PREFIX
}
/// If base suffixes are case-sensitive.
pub const CASE_SENSITIVE_BASE_SUFFIX: bool = false;
/// Get if base suffixes are case-sensitive.
#[inline(always)]
pub const fn case_sensitive_base_suffix(&self) -> bool {
Self::CASE_SENSITIVE_BASE_SUFFIX
}
// DIGIT SEPARATOR FLAGS & MASKS
// If digit separators are allowed between integer digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
pub const INTEGER_INTERNAL_DIGIT_SEPARATOR: bool = false;
/// Get if digit separators are allowed between integer digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
#[inline(always)]
pub const fn integer_internal_digit_separator(&self) -> bool {
Self::INTEGER_INTERNAL_DIGIT_SEPARATOR
}
/// If digit separators are allowed between fraction digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
pub const FRACTION_INTERNAL_DIGIT_SEPARATOR: bool = false;
/// Get if digit separators are allowed between fraction digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
#[inline(always)]
pub const fn fraction_internal_digit_separator(&self) -> bool {
Self::FRACTION_INTERNAL_DIGIT_SEPARATOR
}
/// If digit separators are allowed between exponent digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
pub const EXPONENT_INTERNAL_DIGIT_SEPARATOR: bool = false;
/// Get if digit separators are allowed between exponent digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
#[inline(always)]
pub const fn exponent_internal_digit_separator(&self) -> bool {
Self::EXPONENT_INTERNAL_DIGIT_SEPARATOR
}
/// If digit separators are allowed between digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
pub const INTERNAL_DIGIT_SEPARATOR: bool = false;
/// Get if digit separators are allowed between digits.
///
/// This will not consider an input of only the digit separator
/// to be a valid separator: the digit separator must be surrounded by
/// digits.
#[inline(always)]
pub const fn internal_digit_separator(&self) -> bool {
Self::INTERNAL_DIGIT_SEPARATOR
}
/// If a digit separator is allowed before any integer digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const INTEGER_LEADING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed before any integer digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn integer_leading_digit_separator(&self) -> bool {
Self::INTEGER_LEADING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed before any integer digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const FRACTION_LEADING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed before any fraction digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn fraction_leading_digit_separator(&self) -> bool {
Self::FRACTION_LEADING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed before any exponent digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const EXPONENT_LEADING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed before any exponent digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn exponent_leading_digit_separator(&self) -> bool {
Self::EXPONENT_LEADING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed before any digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const LEADING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed before any digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn leading_digit_separator(&self) -> bool {
Self::LEADING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed after any integer digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const INTEGER_TRAILING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed after any integer digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn integer_trailing_digit_separator(&self) -> bool {
Self::INTEGER_TRAILING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed after any fraction digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const FRACTION_TRAILING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed after any fraction digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn fraction_trailing_digit_separator(&self) -> bool {
Self::FRACTION_TRAILING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed after any exponent digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const EXPONENT_TRAILING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed after any exponent digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn exponent_trailing_digit_separator(&self) -> bool {
Self::EXPONENT_TRAILING_DIGIT_SEPARATOR
}
/// If a digit separator is allowed after any digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
pub const TRAILING_DIGIT_SEPARATOR: bool = false;
/// Get if a digit separator is allowed after any digits.
///
/// This will consider an input of only the digit separator
/// to be a identical to empty input.
#[inline(always)]
pub const fn trailing_digit_separator(&self) -> bool {
Self::TRAILING_DIGIT_SEPARATOR
}
/// If multiple consecutive integer digit separators are allowed.
pub const INTEGER_CONSECUTIVE_DIGIT_SEPARATOR: bool = false;
/// Get if multiple consecutive integer digit separators are allowed.
#[inline(always)]
pub const fn integer_consecutive_digit_separator(&self) -> bool {
Self::INTEGER_CONSECUTIVE_DIGIT_SEPARATOR
}
/// If multiple consecutive fraction digit separators are allowed.
pub const FRACTION_CONSECUTIVE_DIGIT_SEPARATOR: bool = false;
/// Get if multiple consecutive fraction digit separators are allowed.
#[inline(always)]
pub const fn fraction_consecutive_digit_separator(&self) -> bool {
Self::FRACTION_CONSECUTIVE_DIGIT_SEPARATOR
}
/// If multiple consecutive exponent digit separators are allowed.
pub const EXPONENT_CONSECUTIVE_DIGIT_SEPARATOR: bool = false;
/// Get if multiple consecutive exponent digit separators are allowed.
#[inline(always)]
pub const fn exponent_consecutive_digit_separator(&self) -> bool {
Self::EXPONENT_CONSECUTIVE_DIGIT_SEPARATOR
}
/// If multiple consecutive digit separators are allowed.
pub const CONSECUTIVE_DIGIT_SEPARATOR: bool = false;
/// Get if multiple consecutive digit separators are allowed.
#[inline(always)]
pub const fn consecutive_digit_separator(&self) -> bool {
Self::CONSECUTIVE_DIGIT_SEPARATOR
}
/// If any digit separators are allowed in special (non-finite) values.
pub const SPECIAL_DIGIT_SEPARATOR: bool = false;
/// Get if any digit separators are allowed in special (non-finite) values.
#[inline(always)]
pub const fn special_digit_separator(&self) -> bool {
Self::SPECIAL_DIGIT_SEPARATOR
}
// CHARACTERS
/// The digit separator character in the packed struct.
pub const DIGIT_SEPARATOR: u8 = 0;
/// Get the digit separator character.
///
/// If the digit separator is 0, digit separators are not allowed.
#[inline(always)]
pub const fn digit_separator(&self) -> u8 {
Self::DIGIT_SEPARATOR
}
/// The base prefix character in the packed struct.
pub const BASE_PREFIX: u8 = 0;
/// Get the character for the base prefix.
///
/// If the base prefix is 0, base prefixes are not allowed.
/// The number will have then have the format `0$base_prefix...`.
/// For example, a hex base prefix would be `0x`. Base prefixes are
/// always optional.
#[inline(always)]
pub const fn base_prefix(&self) -> u8 {
Self::BASE_PREFIX
}
/// Get if the format has a base prefix.
#[inline(always)]
pub const fn has_base_prefix(&self) -> bool {
false
}
/// The base suffix character in the packed struct.
pub const BASE_SUFFIX: u8 = 0;
/// Character for the base suffix.
///
/// If not provided, base suffixes are not allowed.
/// The number will have then have the format `...$base_suffix`.
/// For example, a hex base prefix would be `0x`. Base prefixes are
/// always optional.
#[inline(always)]
pub const fn base_suffix(&self) -> u8 {
Self::BASE_SUFFIX
}
/// Get if the format has a base suffix.
#[inline(always)]
pub const fn has_base_suffix(&self) -> bool {
false
}
// RADIX
/// The radix for the significant digits in the packed struct.
pub const MANTISSA_RADIX: u32 = flags::mantissa_radix(FORMAT);
/// Get the radix for the mantissa digits.
#[inline(always)]
pub const fn mantissa_radix(&self) -> u32 {
Self::MANTISSA_RADIX
}
/// The radix for the significant digits in the packed struct.
/// Alias for `MANTISSA_RADIX`.
pub const RADIX: u32 = Self::MANTISSA_RADIX;
/// Get the radix for the significant digits.
#[inline(always)]
pub const fn radix(&self) -> u32 {
Self::RADIX
}
/// Get the radix**2 for the significant digits.
#[inline(always)]
pub const fn radix2(&self) -> u32 {
self.radix().wrapping_mul(self.radix())
}
/// Get the radix**4 for the significant digits.
#[inline(always)]
pub const fn radix4(&self) -> u32 {
self.radix2().wrapping_mul(self.radix2())
}
/// Get the radix*** for the significant digits.
#[inline(always)]
pub const fn radix8(&self) -> u32 {
self.radix4().wrapping_mul(self.radix4())
}
/// The base for the exponent.
pub const EXPONENT_BASE: u32 = flags::exponent_base(FORMAT);
/// Get the base for the exponent.
///
/// IE, a base of 2 means we have `mantissa * 2^exponent`.
/// If not provided, it defaults to `radix`.
#[inline(always)]
pub const fn exponent_base(&self) -> u32 {
Self::EXPONENT_BASE
}
/// The radix for the exponent digits.
pub const EXPONENT_RADIX: u32 = flags::exponent_radix(FORMAT);
/// Get the radix for the exponent digits.
#[inline(always)]
pub const fn exponent_radix(&self) -> u32 {
Self::EXPONENT_RADIX
}
// FLAGS
/// Get the flags from the number format.
#[inline(always)]
pub const fn flags(&self) -> u128 {
FORMAT & flags::FLAG_MASK
}
/// Get the interface flags from the number format.
#[inline(always)]
pub const fn interface_flags(&self) -> u128 {
FORMAT & flags::INTERFACE_FLAG_MASK
}
/// Get the digit separator flags from the number format.
#[inline(always)]
pub const fn digit_separator_flags(&self) -> u128 {
FORMAT & flags::DIGIT_SEPARATOR_FLAG_MASK
}
/// Get the exponent flags from the number format.
#[inline(always)]
pub const fn exponent_flags(&self) -> u128 {
FORMAT & flags::EXPONENT_FLAG_MASK
}
/// Get the integer digit separator flags from the number format.
#[inline(always)]
pub const fn integer_digit_separator_flags(&self) -> u128 {
FORMAT & flags::INTEGER_DIGIT_SEPARATOR_FLAG_MASK
}
/// Get the fraction digit separator flags from the number format.
#[inline(always)]
pub const fn fraction_digit_separator_flags(&self) -> u128 {
FORMAT & flags::FRACTION_DIGIT_SEPARATOR_FLAG_MASK
}
/// Get the exponent digit separator flags from the number format.
#[inline(always)]
pub const fn exponent_digit_separator_flags(&self) -> u128 {
FORMAT & flags::EXPONENT_DIGIT_SEPARATOR_FLAG_MASK
}
// BUILDER
/// Get the number format builder from the format.
#[inline]
pub const fn builder() -> NumberFormatBuilder {
NumberFormatBuilder::new()
}
/// Get the number format builder from the format.
#[inline]
pub const fn rebuild() -> NumberFormatBuilder {
NumberFormatBuilder::rebuild(FORMAT)
}
}
impl<const FORMAT: u128> Default for NumberFormat<FORMAT> {
fn default() -> Self {
Self::new()
}
}