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-rw-r--r--third_party/rust/nom/src/number/complete.rs2126
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diff --git a/third_party/rust/nom/src/number/complete.rs b/third_party/rust/nom/src/number/complete.rs
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+++ b/third_party/rust/nom/src/number/complete.rs
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+//! Parsers recognizing numbers, complete input version
+
+use crate::branch::alt;
+use crate::bytes::complete::tag;
+use crate::character::complete::{char, digit1, sign};
+use crate::combinator::{cut, map, opt, recognize};
+use crate::error::ParseError;
+use crate::error::{make_error, ErrorKind};
+use crate::internal::*;
+use crate::lib::std::ops::{Range, RangeFrom, RangeTo};
+use crate::sequence::{pair, tuple};
+use crate::traits::{
+ AsBytes, AsChar, Compare, InputIter, InputLength, InputTake, InputTakeAtPosition, Offset, Slice,
+};
+
+/// Recognizes an unsigned 1 byte integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_u8;
+///
+/// let parser = |s| {
+/// be_u8(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
+/// assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_u8<I, E: ParseError<I>>(input: I) -> IResult<I, u8, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 1;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let res = input.iter_elements().next().unwrap();
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a big endian unsigned 2 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_u16;
+///
+/// let parser = |s| {
+/// be_u16(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0003)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_u16<I, E: ParseError<I>>(input: I) -> IResult<I, u16, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 2;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u16;
+ for byte in input.iter_elements().take(bound) {
+ res = (res << 8) + byte as u16;
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a big endian unsigned 3 byte integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_u24;
+///
+/// let parser = |s| {
+/// be_u24(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x000305)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_u24<I, E: ParseError<I>>(input: I) -> IResult<I, u32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 3;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u32;
+ for byte in input.iter_elements().take(bound) {
+ res = (res << 8) + byte as u32;
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a big endian unsigned 4 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_u32;
+///
+/// let parser = |s| {
+/// be_u32(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00030507)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_u32<I, E: ParseError<I>>(input: I) -> IResult<I, u32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 4;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u32;
+ for byte in input.iter_elements().take(bound) {
+ res = (res << 8) + byte as u32;
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a big endian unsigned 8 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_u64;
+///
+/// let parser = |s| {
+/// be_u64(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0001020304050607)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_u64<I, E: ParseError<I>>(input: I) -> IResult<I, u64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 8;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u64;
+ for byte in input.iter_elements().take(bound) {
+ res = (res << 8) + byte as u64;
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a big endian unsigned 16 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_u128;
+///
+/// let parser = |s| {
+/// be_u128(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00010203040506070001020304050607)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_u128<I, E: ParseError<I>>(input: I) -> IResult<I, u128, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 16;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u128;
+ for byte in input.iter_elements().take(bound) {
+ res = (res << 8) + byte as u128;
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a signed 1 byte integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_i8;
+///
+/// let parser = |s| {
+/// be_i8(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
+/// assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_i8<I, E: ParseError<I>>(input: I) -> IResult<I, i8, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ be_u8.map(|x| x as i8).parse(input)
+}
+
+/// Recognizes a big endian signed 2 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_i16;
+///
+/// let parser = |s| {
+/// be_i16(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0003)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_i16<I, E: ParseError<I>>(input: I) -> IResult<I, i16, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ be_u16.map(|x| x as i16).parse(input)
+}
+
+/// Recognizes a big endian signed 3 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_i24;
+///
+/// let parser = |s| {
+/// be_i24(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x000305)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_i24<I, E: ParseError<I>>(input: I) -> IResult<I, i32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ // Same as the unsigned version but we need to sign-extend manually here
+ be_u24
+ .map(|x| {
+ if x & 0x80_00_00 != 0 {
+ (x | 0xff_00_00_00) as i32
+ } else {
+ x as i32
+ }
+ })
+ .parse(input)
+}
+
+/// Recognizes a big endian signed 4 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_i32;
+///
+/// let parser = |s| {
+/// be_i32(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00030507)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_i32<I, E: ParseError<I>>(input: I) -> IResult<I, i32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ be_u32.map(|x| x as i32).parse(input)
+}
+
+/// Recognizes a big endian signed 8 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_i64;
+///
+/// let parser = |s| {
+/// be_i64(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0001020304050607)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_i64<I, E: ParseError<I>>(input: I) -> IResult<I, i64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ be_u64.map(|x| x as i64).parse(input)
+}
+
+/// Recognizes a big endian signed 16 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_i128;
+///
+/// let parser = |s| {
+/// be_i128(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00010203040506070001020304050607)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_i128<I, E: ParseError<I>>(input: I) -> IResult<I, i128, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ be_u128.map(|x| x as i128).parse(input)
+}
+
+/// Recognizes an unsigned 1 byte integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_u8;
+///
+/// let parser = |s| {
+/// le_u8(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
+/// assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_u8<I, E: ParseError<I>>(input: I) -> IResult<I, u8, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 1;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let res = input.iter_elements().next().unwrap();
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a little endian unsigned 2 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_u16;
+///
+/// let parser = |s| {
+/// le_u16(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0300)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_u16<I, E: ParseError<I>>(input: I) -> IResult<I, u16, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 2;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u16;
+ for (index, byte) in input.iter_indices().take(bound) {
+ res += (byte as u16) << (8 * index);
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a little endian unsigned 3 byte integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_u24;
+///
+/// let parser = |s| {
+/// le_u24(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x050300)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_u24<I, E: ParseError<I>>(input: I) -> IResult<I, u32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 3;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u32;
+ for (index, byte) in input.iter_indices().take(bound) {
+ res += (byte as u32) << (8 * index);
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a little endian unsigned 4 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_u32;
+///
+/// let parser = |s| {
+/// le_u32(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07050300)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_u32<I, E: ParseError<I>>(input: I) -> IResult<I, u32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 4;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u32;
+ for (index, byte) in input.iter_indices().take(bound) {
+ res += (byte as u32) << (8 * index);
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a little endian unsigned 8 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_u64;
+///
+/// let parser = |s| {
+/// le_u64(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0706050403020100)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_u64<I, E: ParseError<I>>(input: I) -> IResult<I, u64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 8;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u64;
+ for (index, byte) in input.iter_indices().take(bound) {
+ res += (byte as u64) << (8 * index);
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a little endian unsigned 16 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_u128;
+///
+/// let parser = |s| {
+/// le_u128(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07060504030201000706050403020100)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_u128<I, E: ParseError<I>>(input: I) -> IResult<I, u128, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 16;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let mut res = 0u128;
+ for (index, byte) in input.iter_indices().take(bound) {
+ res += (byte as u128) << (8 * index);
+ }
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes a signed 1 byte integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_i8;
+///
+/// let parser = |s| {
+/// le_i8(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
+/// assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_i8<I, E: ParseError<I>>(input: I) -> IResult<I, i8, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ be_u8.map(|x| x as i8).parse(input)
+}
+
+/// Recognizes a little endian signed 2 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_i16;
+///
+/// let parser = |s| {
+/// le_i16(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0300)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_i16<I, E: ParseError<I>>(input: I) -> IResult<I, i16, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ le_u16.map(|x| x as i16).parse(input)
+}
+
+/// Recognizes a little endian signed 3 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_i24;
+///
+/// let parser = |s| {
+/// le_i24(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x050300)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_i24<I, E: ParseError<I>>(input: I) -> IResult<I, i32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ // Same as the unsigned version but we need to sign-extend manually here
+ le_u24
+ .map(|x| {
+ if x & 0x80_00_00 != 0 {
+ (x | 0xff_00_00_00) as i32
+ } else {
+ x as i32
+ }
+ })
+ .parse(input)
+}
+
+/// Recognizes a little endian signed 4 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_i32;
+///
+/// let parser = |s| {
+/// le_i32(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07050300)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_i32<I, E: ParseError<I>>(input: I) -> IResult<I, i32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ le_u32.map(|x| x as i32).parse(input)
+}
+
+/// Recognizes a little endian signed 8 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_i64;
+///
+/// let parser = |s| {
+/// le_i64(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0706050403020100)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_i64<I, E: ParseError<I>>(input: I) -> IResult<I, i64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ le_u64.map(|x| x as i64).parse(input)
+}
+
+/// Recognizes a little endian signed 16 bytes integer.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_i128;
+///
+/// let parser = |s| {
+/// le_i128(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07060504030201000706050403020100)));
+/// assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_i128<I, E: ParseError<I>>(input: I) -> IResult<I, i128, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ le_u128.map(|x| x as i128).parse(input)
+}
+
+/// Recognizes an unsigned 1 byte integer
+///
+/// Note that endianness does not apply to 1 byte numbers.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::u8;
+///
+/// let parser = |s| {
+/// u8(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
+/// assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn u8<I, E: ParseError<I>>(input: I) -> IResult<I, u8, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ let bound: usize = 1;
+ if input.input_len() < bound {
+ Err(Err::Error(make_error(input, ErrorKind::Eof)))
+ } else {
+ let res = input.iter_elements().next().unwrap();
+
+ Ok((input.slice(bound..), res))
+ }
+}
+
+/// Recognizes an unsigned 2 bytes integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian u16 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian u16 integer.
+/// *complete version*: returns an error if there is not enough input data
+///
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::u16;
+///
+/// let be_u16 = |s| {
+/// u16(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_u16(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0003)));
+/// assert_eq!(be_u16(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_u16 = |s| {
+/// u16(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_u16(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0300)));
+/// assert_eq!(le_u16(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn u16<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, u16, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_u16,
+ crate::number::Endianness::Little => le_u16,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_u16,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_u16,
+ }
+}
+
+/// Recognizes an unsigned 3 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian u24 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian u24 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::u24;
+///
+/// let be_u24 = |s| {
+/// u24(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_u24(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x000305)));
+/// assert_eq!(be_u24(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_u24 = |s| {
+/// u24(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_u24(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x050300)));
+/// assert_eq!(le_u24(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn u24<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, u32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_u24,
+ crate::number::Endianness::Little => le_u24,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_u24,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_u24,
+ }
+}
+
+/// Recognizes an unsigned 4 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian u32 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian u32 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::u32;
+///
+/// let be_u32 = |s| {
+/// u32(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_u32(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00030507)));
+/// assert_eq!(be_u32(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_u32 = |s| {
+/// u32(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_u32(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07050300)));
+/// assert_eq!(le_u32(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn u32<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, u32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_u32,
+ crate::number::Endianness::Little => le_u32,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_u32,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_u32,
+ }
+}
+
+/// Recognizes an unsigned 8 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian u64 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian u64 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::u64;
+///
+/// let be_u64 = |s| {
+/// u64(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_u64(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0001020304050607)));
+/// assert_eq!(be_u64(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_u64 = |s| {
+/// u64(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_u64(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0706050403020100)));
+/// assert_eq!(le_u64(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn u64<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, u64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_u64,
+ crate::number::Endianness::Little => le_u64,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_u64,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_u64,
+ }
+}
+
+/// Recognizes an unsigned 16 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian u128 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian u128 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::u128;
+///
+/// let be_u128 = |s| {
+/// u128(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_u128(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00010203040506070001020304050607)));
+/// assert_eq!(be_u128(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_u128 = |s| {
+/// u128(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_u128(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07060504030201000706050403020100)));
+/// assert_eq!(le_u128(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn u128<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, u128, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_u128,
+ crate::number::Endianness::Little => le_u128,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_u128,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_u128,
+ }
+}
+
+/// Recognizes a signed 1 byte integer
+///
+/// Note that endianness does not apply to 1 byte numbers.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::i8;
+///
+/// let parser = |s| {
+/// i8(s)
+/// };
+///
+/// assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
+/// assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn i8<I, E: ParseError<I>>(i: I) -> IResult<I, i8, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ u8.map(|x| x as i8).parse(i)
+}
+
+/// Recognizes a signed 2 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian i16 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian i16 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::i16;
+///
+/// let be_i16 = |s| {
+/// i16(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_i16(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0003)));
+/// assert_eq!(be_i16(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_i16 = |s| {
+/// i16(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_i16(&b"\x00\x03abcefg"[..]), Ok((&b"abcefg"[..], 0x0300)));
+/// assert_eq!(le_i16(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn i16<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, i16, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_i16,
+ crate::number::Endianness::Little => le_i16,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_i16,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_i16,
+ }
+}
+
+/// Recognizes a signed 3 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian i24 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian i24 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::i24;
+///
+/// let be_i24 = |s| {
+/// i24(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_i24(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x000305)));
+/// assert_eq!(be_i24(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_i24 = |s| {
+/// i24(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_i24(&b"\x00\x03\x05abcefg"[..]), Ok((&b"abcefg"[..], 0x050300)));
+/// assert_eq!(le_i24(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn i24<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, i32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_i24,
+ crate::number::Endianness::Little => le_i24,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_i24,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_i24,
+ }
+}
+
+/// Recognizes a signed 4 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian i32 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian i32 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::i32;
+///
+/// let be_i32 = |s| {
+/// i32(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_i32(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00030507)));
+/// assert_eq!(be_i32(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_i32 = |s| {
+/// i32(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_i32(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07050300)));
+/// assert_eq!(le_i32(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn i32<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, i32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_i32,
+ crate::number::Endianness::Little => le_i32,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_i32,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_i32,
+ }
+}
+
+/// Recognizes a signed 8 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian i64 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian i64 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::i64;
+///
+/// let be_i64 = |s| {
+/// i64(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_i64(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0001020304050607)));
+/// assert_eq!(be_i64(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_i64 = |s| {
+/// i64(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_i64(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0706050403020100)));
+/// assert_eq!(le_i64(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn i64<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, i64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_i64,
+ crate::number::Endianness::Little => le_i64,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_i64,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_i64,
+ }
+}
+
+/// Recognizes a signed 16 byte integer
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian i128 integer,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian i128 integer.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::i128;
+///
+/// let be_i128 = |s| {
+/// i128(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_i128(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00010203040506070001020304050607)));
+/// assert_eq!(be_i128(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+///
+/// let le_i128 = |s| {
+/// i128(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_i128(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x07060504030201000706050403020100)));
+/// assert_eq!(le_i128(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn i128<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, i128, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_i128,
+ crate::number::Endianness::Little => le_i128,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_i128,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_i128,
+ }
+}
+
+/// Recognizes a big endian 4 bytes floating point number.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_f32;
+///
+/// let parser = |s| {
+/// be_f32(s)
+/// };
+///
+/// assert_eq!(parser(&[0x41, 0x48, 0x00, 0x00][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(parser(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_f32<I, E: ParseError<I>>(input: I) -> IResult<I, f32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match be_u32(input) {
+ Err(e) => Err(e),
+ Ok((i, o)) => Ok((i, f32::from_bits(o))),
+ }
+}
+
+/// Recognizes a big endian 8 bytes floating point number.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::be_f64;
+///
+/// let parser = |s| {
+/// be_f64(s)
+/// };
+///
+/// assert_eq!(parser(&[0x40, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(parser(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn be_f64<I, E: ParseError<I>>(input: I) -> IResult<I, f64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match be_u64(input) {
+ Err(e) => Err(e),
+ Ok((i, o)) => Ok((i, f64::from_bits(o))),
+ }
+}
+
+/// Recognizes a little endian 4 bytes floating point number.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_f32;
+///
+/// let parser = |s| {
+/// le_f32(s)
+/// };
+///
+/// assert_eq!(parser(&[0x00, 0x00, 0x48, 0x41][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(parser(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_f32<I, E: ParseError<I>>(input: I) -> IResult<I, f32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match le_u32(input) {
+ Err(e) => Err(e),
+ Ok((i, o)) => Ok((i, f32::from_bits(o))),
+ }
+}
+
+/// Recognizes a little endian 8 bytes floating point number.
+///
+/// *Complete version*: Returns an error if there is not enough input data.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::le_f64;
+///
+/// let parser = |s| {
+/// le_f64(s)
+/// };
+///
+/// assert_eq!(parser(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x29, 0x40][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(parser(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn le_f64<I, E: ParseError<I>>(input: I) -> IResult<I, f64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match le_u64(input) {
+ Err(e) => Err(e),
+ Ok((i, o)) => Ok((i, f64::from_bits(o))),
+ }
+}
+
+/// Recognizes a 4 byte floating point number
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian f32 float,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian f32 float.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::f32;
+///
+/// let be_f32 = |s| {
+/// f32(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_f32(&[0x41, 0x48, 0x00, 0x00][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(be_f32(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+///
+/// let le_f32 = |s| {
+/// f32(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_f32(&[0x00, 0x00, 0x48, 0x41][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(le_f32(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn f32<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, f32, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_f32,
+ crate::number::Endianness::Little => le_f32,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_f32,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_f32,
+ }
+}
+
+/// Recognizes an 8 byte floating point number
+///
+/// If the parameter is `nom::number::Endianness::Big`, parse a big endian f64 float,
+/// otherwise if `nom::number::Endianness::Little` parse a little endian f64 float.
+/// *complete version*: returns an error if there is not enough input data
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::f64;
+///
+/// let be_f64 = |s| {
+/// f64(nom::number::Endianness::Big)(s)
+/// };
+///
+/// assert_eq!(be_f64(&[0x40, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(be_f64(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+///
+/// let le_f64 = |s| {
+/// f64(nom::number::Endianness::Little)(s)
+/// };
+///
+/// assert_eq!(le_f64(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x29, 0x40][..]), Ok((&b""[..], 12.5)));
+/// assert_eq!(le_f64(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));
+/// ```
+#[inline]
+pub fn f64<I, E: ParseError<I>>(endian: crate::number::Endianness) -> fn(I) -> IResult<I, f64, E>
+where
+ I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
+{
+ match endian {
+ crate::number::Endianness::Big => be_f64,
+ crate::number::Endianness::Little => le_f64,
+ #[cfg(target_endian = "big")]
+ crate::number::Endianness::Native => be_f64,
+ #[cfg(target_endian = "little")]
+ crate::number::Endianness::Native => le_f64,
+ }
+}
+
+/// Recognizes a hex-encoded integer.
+///
+/// *Complete version*: Will parse until the end of input if it has less than 8 bytes.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::hex_u32;
+///
+/// let parser = |s| {
+/// hex_u32(s)
+/// };
+///
+/// assert_eq!(parser(&b"01AE"[..]), Ok((&b""[..], 0x01AE)));
+/// assert_eq!(parser(&b"abc"[..]), Ok((&b""[..], 0x0ABC)));
+/// assert_eq!(parser(&b"ggg"[..]), Err(Err::Error((&b"ggg"[..], ErrorKind::IsA))));
+/// ```
+#[inline]
+pub fn hex_u32<'a, E: ParseError<&'a [u8]>>(input: &'a [u8]) -> IResult<&'a [u8], u32, E> {
+ let (i, o) = crate::bytes::complete::is_a(&b"0123456789abcdefABCDEF"[..])(input)?;
+ // Do not parse more than 8 characters for a u32
+ let (parsed, remaining) = if o.len() <= 8 {
+ (o, i)
+ } else {
+ (&input[..8], &input[8..])
+ };
+
+ let res = parsed
+ .iter()
+ .rev()
+ .enumerate()
+ .map(|(k, &v)| {
+ let digit = v as char;
+ digit.to_digit(16).unwrap_or(0) << (k * 4)
+ })
+ .sum();
+
+ Ok((remaining, res))
+}
+
+/// Recognizes floating point number in a byte string and returns the corresponding slice.
+///
+/// *Complete version*: Can parse until the end of input.
+///
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::recognize_float;
+///
+/// let parser = |s| {
+/// recognize_float(s)
+/// };
+///
+/// assert_eq!(parser("11e-1"), Ok(("", "11e-1")));
+/// assert_eq!(parser("123E-02"), Ok(("", "123E-02")));
+/// assert_eq!(parser("123K-01"), Ok(("K-01", "123")));
+/// assert_eq!(parser("abc"), Err(Err::Error(("abc", ErrorKind::Char))));
+/// ```
+#[rustfmt::skip]
+pub fn recognize_float<T, E:ParseError<T>>(input: T) -> IResult<T, T, E>
+where
+ T: Slice<RangeFrom<usize>> + Slice<RangeTo<usize>>,
+ T: Clone + Offset,
+ T: InputIter,
+ <T as InputIter>::Item: AsChar,
+ T: InputTakeAtPosition,
+ <T as InputTakeAtPosition>::Item: AsChar,
+{
+ recognize(
+ tuple((
+ opt(alt((char('+'), char('-')))),
+ alt((
+ map(tuple((digit1, opt(pair(char('.'), opt(digit1))))), |_| ()),
+ map(tuple((char('.'), digit1)), |_| ())
+ )),
+ opt(tuple((
+ alt((char('e'), char('E'))),
+ opt(alt((char('+'), char('-')))),
+ cut(digit1)
+ )))
+ ))
+ )(input)
+}
+
+// workaround until issues with minimal-lexical are fixed
+#[doc(hidden)]
+pub fn recognize_float_or_exceptions<T, E: ParseError<T>>(input: T) -> IResult<T, T, E>
+where
+ T: Slice<RangeFrom<usize>> + Slice<RangeTo<usize>>,
+ T: Clone + Offset,
+ T: InputIter + InputTake + Compare<&'static str>,
+ <T as InputIter>::Item: AsChar,
+ T: InputTakeAtPosition,
+ <T as InputTakeAtPosition>::Item: AsChar,
+{
+ alt((
+ |i: T| {
+ recognize_float::<_, E>(i.clone()).map_err(|e| match e {
+ crate::Err::Error(_) => crate::Err::Error(E::from_error_kind(i, ErrorKind::Float)),
+ crate::Err::Failure(_) => crate::Err::Failure(E::from_error_kind(i, ErrorKind::Float)),
+ crate::Err::Incomplete(needed) => crate::Err::Incomplete(needed),
+ })
+ },
+ |i: T| {
+ crate::bytes::complete::tag_no_case::<_, _, E>("nan")(i.clone())
+ .map_err(|_| crate::Err::Error(E::from_error_kind(i, ErrorKind::Float)))
+ },
+ |i: T| {
+ crate::bytes::complete::tag_no_case::<_, _, E>("inf")(i.clone())
+ .map_err(|_| crate::Err::Error(E::from_error_kind(i, ErrorKind::Float)))
+ },
+ |i: T| {
+ crate::bytes::complete::tag_no_case::<_, _, E>("infinity")(i.clone())
+ .map_err(|_| crate::Err::Error(E::from_error_kind(i, ErrorKind::Float)))
+ },
+ ))(input)
+}
+
+/// Recognizes a floating point number in text format
+///
+/// It returns a tuple of (`sign`, `integer part`, `fraction part` and `exponent`) of the input
+/// data.
+///
+/// *Complete version*: Can parse until the end of input.
+///
+pub fn recognize_float_parts<T, E: ParseError<T>>(input: T) -> IResult<T, (bool, T, T, i32), E>
+where
+ T: Slice<RangeFrom<usize>> + Slice<RangeTo<usize>> + Slice<Range<usize>>,
+ T: Clone + Offset,
+ T: InputIter + InputTake,
+ <T as InputIter>::Item: AsChar + Copy,
+ T: InputTakeAtPosition + InputLength,
+ <T as InputTakeAtPosition>::Item: AsChar,
+ T: for<'a> Compare<&'a [u8]>,
+ T: AsBytes,
+{
+ let (i, sign) = sign(input.clone())?;
+
+ //let (i, zeroes) = take_while(|c: <T as InputTakeAtPosition>::Item| c.as_char() == '0')(i)?;
+ let (i, zeroes) = match i.as_bytes().iter().position(|c| *c != b'0') {
+ Some(index) => i.take_split(index),
+ None => i.take_split(i.input_len()),
+ };
+ //let (i, mut integer) = digit0(i)?;
+ let (i, mut integer) = match i
+ .as_bytes()
+ .iter()
+ .position(|c| !(*c >= b'0' && *c <= b'9'))
+ {
+ Some(index) => i.take_split(index),
+ None => i.take_split(i.input_len()),
+ };
+
+ if integer.input_len() == 0 && zeroes.input_len() > 0 {
+ // keep the last zero if integer is empty
+ integer = zeroes.slice(zeroes.input_len() - 1..);
+ }
+
+ let (i, opt_dot) = opt(tag(&b"."[..]))(i)?;
+ let (i, fraction) = if opt_dot.is_none() {
+ let i2 = i.clone();
+ (i2, i.slice(..0))
+ } else {
+ // match number, trim right zeroes
+ let mut zero_count = 0usize;
+ let mut position = None;
+ for (pos, c) in i.as_bytes().iter().enumerate() {
+ if *c >= b'0' && *c <= b'9' {
+ if *c == b'0' {
+ zero_count += 1;
+ } else {
+ zero_count = 0;
+ }
+ } else {
+ position = Some(pos);
+ break;
+ }
+ }
+
+ let position = position.unwrap_or(i.input_len());
+
+ let index = if zero_count == 0 {
+ position
+ } else if zero_count == position {
+ position - zero_count + 1
+ } else {
+ position - zero_count
+ };
+
+ (i.slice(position..), i.slice(..index))
+ };
+
+ if integer.input_len() == 0 && fraction.input_len() == 0 {
+ return Err(Err::Error(E::from_error_kind(input, ErrorKind::Float)));
+ }
+
+ let i2 = i.clone();
+ let (i, e) = match i.as_bytes().iter().next() {
+ Some(b'e') => (i.slice(1..), true),
+ Some(b'E') => (i.slice(1..), true),
+ _ => (i, false),
+ };
+
+ let (i, exp) = if e {
+ cut(crate::character::complete::i32)(i)?
+ } else {
+ (i2, 0)
+ };
+
+ Ok((i, (sign, integer, fraction, exp)))
+}
+
+use crate::traits::ParseTo;
+
+/// Recognizes floating point number in text format and returns a f32.
+///
+/// *Complete version*: Can parse until the end of input.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::float;
+///
+/// let parser = |s| {
+/// float(s)
+/// };
+///
+/// assert_eq!(parser("11e-1"), Ok(("", 1.1)));
+/// assert_eq!(parser("123E-02"), Ok(("", 1.23)));
+/// assert_eq!(parser("123K-01"), Ok(("K-01", 123.0)));
+/// assert_eq!(parser("abc"), Err(Err::Error(("abc", ErrorKind::Float))));
+/// ```
+pub fn float<T, E: ParseError<T>>(input: T) -> IResult<T, f32, E>
+where
+ T: Slice<RangeFrom<usize>> + Slice<RangeTo<usize>> + Slice<Range<usize>>,
+ T: Clone + Offset + ParseTo<f32> + Compare<&'static str>,
+ T: InputIter + InputLength + InputTake,
+ <T as InputIter>::Item: AsChar + Copy,
+ <T as InputIter>::IterElem: Clone,
+ T: InputTakeAtPosition,
+ <T as InputTakeAtPosition>::Item: AsChar,
+ T: AsBytes,
+ T: for<'a> Compare<&'a [u8]>,
+{
+ /*
+ let (i, (sign, integer, fraction, exponent)) = recognize_float_parts(input)?;
+
+ let mut float: f32 = minimal_lexical::parse_float(
+ integer.as_bytes().iter(),
+ fraction.as_bytes().iter(),
+ exponent,
+ );
+ if !sign {
+ float = -float;
+ }
+
+ Ok((i, float))
+ */
+ let (i, s) = recognize_float_or_exceptions(input)?;
+ match s.parse_to() {
+ Some(f) => Ok((i, f)),
+ None => Err(crate::Err::Error(E::from_error_kind(
+ i,
+ crate::error::ErrorKind::Float,
+ ))),
+ }
+}
+
+/// Recognizes floating point number in text format and returns a f64.
+///
+/// *Complete version*: Can parse until the end of input.
+/// ```rust
+/// # use nom::{Err, error::ErrorKind, Needed};
+/// # use nom::Needed::Size;
+/// use nom::number::complete::double;
+///
+/// let parser = |s| {
+/// double(s)
+/// };
+///
+/// assert_eq!(parser("11e-1"), Ok(("", 1.1)));
+/// assert_eq!(parser("123E-02"), Ok(("", 1.23)));
+/// assert_eq!(parser("123K-01"), Ok(("K-01", 123.0)));
+/// assert_eq!(parser("abc"), Err(Err::Error(("abc", ErrorKind::Float))));
+/// ```
+pub fn double<T, E: ParseError<T>>(input: T) -> IResult<T, f64, E>
+where
+ T: Slice<RangeFrom<usize>> + Slice<RangeTo<usize>> + Slice<Range<usize>>,
+ T: Clone + Offset + ParseTo<f64> + Compare<&'static str>,
+ T: InputIter + InputLength + InputTake,
+ <T as InputIter>::Item: AsChar + Copy,
+ <T as InputIter>::IterElem: Clone,
+ T: InputTakeAtPosition,
+ <T as InputTakeAtPosition>::Item: AsChar,
+ T: AsBytes,
+ T: for<'a> Compare<&'a [u8]>,
+{
+ /*
+ let (i, (sign, integer, fraction, exponent)) = recognize_float_parts(input)?;
+
+ let mut float: f64 = minimal_lexical::parse_float(
+ integer.as_bytes().iter(),
+ fraction.as_bytes().iter(),
+ exponent,
+ );
+ if !sign {
+ float = -float;
+ }
+
+ Ok((i, float))
+ */
+ let (i, s) = recognize_float_or_exceptions(input)?;
+ match s.parse_to() {
+ Some(f) => Ok((i, f)),
+ None => Err(crate::Err::Error(E::from_error_kind(
+ i,
+ crate::error::ErrorKind::Float,
+ ))),
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use crate::error::ErrorKind;
+ use crate::internal::Err;
+ use proptest::prelude::*;
+
+ macro_rules! assert_parse(
+ ($left: expr, $right: expr) => {
+ let res: $crate::IResult<_, _, (_, ErrorKind)> = $left;
+ assert_eq!(res, $right);
+ };
+ );
+
+ #[test]
+ fn i8_tests() {
+ assert_parse!(i8(&[0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(i8(&[0x7f][..]), Ok((&b""[..], 127)));
+ assert_parse!(i8(&[0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(i8(&[0x80][..]), Ok((&b""[..], -128)));
+ }
+
+ #[test]
+ fn be_i8_tests() {
+ assert_parse!(be_i8(&[0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(be_i8(&[0x7f][..]), Ok((&b""[..], 127)));
+ assert_parse!(be_i8(&[0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(be_i8(&[0x80][..]), Ok((&b""[..], -128)));
+ }
+
+ #[test]
+ fn be_i16_tests() {
+ assert_parse!(be_i16(&[0x00, 0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(be_i16(&[0x7f, 0xff][..]), Ok((&b""[..], 32_767_i16)));
+ assert_parse!(be_i16(&[0xff, 0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(be_i16(&[0x80, 0x00][..]), Ok((&b""[..], -32_768_i16)));
+ }
+
+ #[test]
+ fn be_u24_tests() {
+ assert_parse!(be_u24(&[0x00, 0x00, 0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(be_u24(&[0x00, 0xFF, 0xFF][..]), Ok((&b""[..], 65_535_u32)));
+ assert_parse!(
+ be_u24(&[0x12, 0x34, 0x56][..]),
+ Ok((&b""[..], 1_193_046_u32))
+ );
+ }
+
+ #[test]
+ fn be_i24_tests() {
+ assert_parse!(be_i24(&[0xFF, 0xFF, 0xFF][..]), Ok((&b""[..], -1_i32)));
+ assert_parse!(be_i24(&[0xFF, 0x00, 0x00][..]), Ok((&b""[..], -65_536_i32)));
+ assert_parse!(
+ be_i24(&[0xED, 0xCB, 0xAA][..]),
+ Ok((&b""[..], -1_193_046_i32))
+ );
+ }
+
+ #[test]
+ fn be_i32_tests() {
+ assert_parse!(be_i32(&[0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(
+ be_i32(&[0x7f, 0xff, 0xff, 0xff][..]),
+ Ok((&b""[..], 2_147_483_647_i32))
+ );
+ assert_parse!(be_i32(&[0xff, 0xff, 0xff, 0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(
+ be_i32(&[0x80, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], -2_147_483_648_i32))
+ );
+ }
+
+ #[test]
+ fn be_i64_tests() {
+ assert_parse!(
+ be_i64(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], 0))
+ );
+ assert_parse!(
+ be_i64(&[0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff][..]),
+ Ok((&b""[..], 9_223_372_036_854_775_807_i64))
+ );
+ assert_parse!(
+ be_i64(&[0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff][..]),
+ Ok((&b""[..], -1))
+ );
+ assert_parse!(
+ be_i64(&[0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], -9_223_372_036_854_775_808_i64))
+ );
+ }
+
+ #[test]
+ fn be_i128_tests() {
+ assert_parse!(
+ be_i128(
+ &[
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00
+ ][..]
+ ),
+ Ok((&b""[..], 0))
+ );
+ assert_parse!(
+ be_i128(
+ &[
+ 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff
+ ][..]
+ ),
+ Ok((
+ &b""[..],
+ 170_141_183_460_469_231_731_687_303_715_884_105_727_i128
+ ))
+ );
+ assert_parse!(
+ be_i128(
+ &[
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff
+ ][..]
+ ),
+ Ok((&b""[..], -1))
+ );
+ assert_parse!(
+ be_i128(
+ &[
+ 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00
+ ][..]
+ ),
+ Ok((
+ &b""[..],
+ -170_141_183_460_469_231_731_687_303_715_884_105_728_i128
+ ))
+ );
+ }
+
+ #[test]
+ fn le_i8_tests() {
+ assert_parse!(le_i8(&[0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(le_i8(&[0x7f][..]), Ok((&b""[..], 127)));
+ assert_parse!(le_i8(&[0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(le_i8(&[0x80][..]), Ok((&b""[..], -128)));
+ }
+
+ #[test]
+ fn le_i16_tests() {
+ assert_parse!(le_i16(&[0x00, 0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(le_i16(&[0xff, 0x7f][..]), Ok((&b""[..], 32_767_i16)));
+ assert_parse!(le_i16(&[0xff, 0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(le_i16(&[0x00, 0x80][..]), Ok((&b""[..], -32_768_i16)));
+ }
+
+ #[test]
+ fn le_u24_tests() {
+ assert_parse!(le_u24(&[0x00, 0x00, 0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(le_u24(&[0xFF, 0xFF, 0x00][..]), Ok((&b""[..], 65_535_u32)));
+ assert_parse!(
+ le_u24(&[0x56, 0x34, 0x12][..]),
+ Ok((&b""[..], 1_193_046_u32))
+ );
+ }
+
+ #[test]
+ fn le_i24_tests() {
+ assert_parse!(le_i24(&[0xFF, 0xFF, 0xFF][..]), Ok((&b""[..], -1_i32)));
+ assert_parse!(le_i24(&[0x00, 0x00, 0xFF][..]), Ok((&b""[..], -65_536_i32)));
+ assert_parse!(
+ le_i24(&[0xAA, 0xCB, 0xED][..]),
+ Ok((&b""[..], -1_193_046_i32))
+ );
+ }
+
+ #[test]
+ fn le_i32_tests() {
+ assert_parse!(le_i32(&[0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 0)));
+ assert_parse!(
+ le_i32(&[0xff, 0xff, 0xff, 0x7f][..]),
+ Ok((&b""[..], 2_147_483_647_i32))
+ );
+ assert_parse!(le_i32(&[0xff, 0xff, 0xff, 0xff][..]), Ok((&b""[..], -1)));
+ assert_parse!(
+ le_i32(&[0x00, 0x00, 0x00, 0x80][..]),
+ Ok((&b""[..], -2_147_483_648_i32))
+ );
+ }
+
+ #[test]
+ fn le_i64_tests() {
+ assert_parse!(
+ le_i64(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], 0))
+ );
+ assert_parse!(
+ le_i64(&[0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f][..]),
+ Ok((&b""[..], 9_223_372_036_854_775_807_i64))
+ );
+ assert_parse!(
+ le_i64(&[0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff][..]),
+ Ok((&b""[..], -1))
+ );
+ assert_parse!(
+ le_i64(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80][..]),
+ Ok((&b""[..], -9_223_372_036_854_775_808_i64))
+ );
+ }
+
+ #[test]
+ fn le_i128_tests() {
+ assert_parse!(
+ le_i128(
+ &[
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00
+ ][..]
+ ),
+ Ok((&b""[..], 0))
+ );
+ assert_parse!(
+ le_i128(
+ &[
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0x7f
+ ][..]
+ ),
+ Ok((
+ &b""[..],
+ 170_141_183_460_469_231_731_687_303_715_884_105_727_i128
+ ))
+ );
+ assert_parse!(
+ le_i128(
+ &[
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff
+ ][..]
+ ),
+ Ok((&b""[..], -1))
+ );
+ assert_parse!(
+ le_i128(
+ &[
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x80
+ ][..]
+ ),
+ Ok((
+ &b""[..],
+ -170_141_183_460_469_231_731_687_303_715_884_105_728_i128
+ ))
+ );
+ }
+
+ #[test]
+ fn be_f32_tests() {
+ assert_parse!(be_f32(&[0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 0_f32)));
+ assert_parse!(
+ be_f32(&[0x4d, 0x31, 0x1f, 0xd8][..]),
+ Ok((&b""[..], 185_728_392_f32))
+ );
+ }
+
+ #[test]
+ fn be_f64_tests() {
+ assert_parse!(
+ be_f64(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], 0_f64))
+ );
+ assert_parse!(
+ be_f64(&[0x41, 0xa6, 0x23, 0xfb, 0x10, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], 185_728_392_f64))
+ );
+ }
+
+ #[test]
+ fn le_f32_tests() {
+ assert_parse!(le_f32(&[0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 0_f32)));
+ assert_parse!(
+ le_f32(&[0xd8, 0x1f, 0x31, 0x4d][..]),
+ Ok((&b""[..], 185_728_392_f32))
+ );
+ }
+
+ #[test]
+ fn le_f64_tests() {
+ assert_parse!(
+ le_f64(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]),
+ Ok((&b""[..], 0_f64))
+ );
+ assert_parse!(
+ le_f64(&[0x00, 0x00, 0x00, 0x10, 0xfb, 0x23, 0xa6, 0x41][..]),
+ Ok((&b""[..], 185_728_392_f64))
+ );
+ }
+
+ #[test]
+ fn hex_u32_tests() {
+ assert_parse!(
+ hex_u32(&b";"[..]),
+ Err(Err::Error(error_position!(&b";"[..], ErrorKind::IsA)))
+ );
+ assert_parse!(hex_u32(&b"ff;"[..]), Ok((&b";"[..], 255)));
+ assert_parse!(hex_u32(&b"1be2;"[..]), Ok((&b";"[..], 7138)));
+ assert_parse!(hex_u32(&b"c5a31be2;"[..]), Ok((&b";"[..], 3_315_801_058)));
+ assert_parse!(hex_u32(&b"C5A31be2;"[..]), Ok((&b";"[..], 3_315_801_058)));
+ assert_parse!(hex_u32(&b"00c5a31be2;"[..]), Ok((&b"e2;"[..], 12_952_347)));
+ assert_parse!(
+ hex_u32(&b"c5a31be201;"[..]),
+ Ok((&b"01;"[..], 3_315_801_058))
+ );
+ assert_parse!(hex_u32(&b"ffffffff;"[..]), Ok((&b";"[..], 4_294_967_295)));
+ assert_parse!(hex_u32(&b"0x1be2;"[..]), Ok((&b"x1be2;"[..], 0)));
+ assert_parse!(hex_u32(&b"12af"[..]), Ok((&b""[..], 0x12af)));
+ }
+
+ #[test]
+ #[cfg(feature = "std")]
+ fn float_test() {
+ let mut test_cases = vec![
+ "+3.14",
+ "3.14",
+ "-3.14",
+ "0",
+ "0.0",
+ "1.",
+ ".789",
+ "-.5",
+ "1e7",
+ "-1E-7",
+ ".3e-2",
+ "1.e4",
+ "1.2e4",
+ "12.34",
+ "-1.234E-12",
+ "-1.234e-12",
+ "0.00000000000000000087",
+ ];
+
+ for test in test_cases.drain(..) {
+ let expected32 = str::parse::<f32>(test).unwrap();
+ let expected64 = str::parse::<f64>(test).unwrap();
+
+ println!("now parsing: {} -> {}", test, expected32);
+
+ let larger = format!("{}", test);
+ assert_parse!(recognize_float(&larger[..]), Ok(("", test)));
+
+ assert_parse!(float(larger.as_bytes()), Ok((&b""[..], expected32)));
+ assert_parse!(float(&larger[..]), Ok(("", expected32)));
+
+ assert_parse!(double(larger.as_bytes()), Ok((&b""[..], expected64)));
+ assert_parse!(double(&larger[..]), Ok(("", expected64)));
+ }
+
+ let remaining_exponent = "-1.234E-";
+ assert_parse!(
+ recognize_float(remaining_exponent),
+ Err(Err::Failure(("", ErrorKind::Digit)))
+ );
+
+ let (_i, nan) = float::<_, ()>("NaN").unwrap();
+ assert!(nan.is_nan());
+
+ let (_i, inf) = float::<_, ()>("inf").unwrap();
+ assert!(inf.is_infinite());
+ let (_i, inf) = float::<_, ()>("infinite").unwrap();
+ assert!(inf.is_infinite());
+ }
+
+ #[test]
+ fn configurable_endianness() {
+ use crate::number::Endianness;
+
+ fn be_tst16(i: &[u8]) -> IResult<&[u8], u16> {
+ u16(Endianness::Big)(i)
+ }
+ fn le_tst16(i: &[u8]) -> IResult<&[u8], u16> {
+ u16(Endianness::Little)(i)
+ }
+ assert_eq!(be_tst16(&[0x80, 0x00]), Ok((&b""[..], 32_768_u16)));
+ assert_eq!(le_tst16(&[0x80, 0x00]), Ok((&b""[..], 128_u16)));
+
+ fn be_tst32(i: &[u8]) -> IResult<&[u8], u32> {
+ u32(Endianness::Big)(i)
+ }
+ fn le_tst32(i: &[u8]) -> IResult<&[u8], u32> {
+ u32(Endianness::Little)(i)
+ }
+ assert_eq!(
+ be_tst32(&[0x12, 0x00, 0x60, 0x00]),
+ Ok((&b""[..], 302_014_464_u32))
+ );
+ assert_eq!(
+ le_tst32(&[0x12, 0x00, 0x60, 0x00]),
+ Ok((&b""[..], 6_291_474_u32))
+ );
+
+ fn be_tst64(i: &[u8]) -> IResult<&[u8], u64> {
+ u64(Endianness::Big)(i)
+ }
+ fn le_tst64(i: &[u8]) -> IResult<&[u8], u64> {
+ u64(Endianness::Little)(i)
+ }
+ assert_eq!(
+ be_tst64(&[0x12, 0x00, 0x60, 0x00, 0x12, 0x00, 0x80, 0x00]),
+ Ok((&b""[..], 1_297_142_246_100_992_000_u64))
+ );
+ assert_eq!(
+ le_tst64(&[0x12, 0x00, 0x60, 0x00, 0x12, 0x00, 0x80, 0x00]),
+ Ok((&b""[..], 36_028_874_334_666_770_u64))
+ );
+
+ fn be_tsti16(i: &[u8]) -> IResult<&[u8], i16> {
+ i16(Endianness::Big)(i)
+ }
+ fn le_tsti16(i: &[u8]) -> IResult<&[u8], i16> {
+ i16(Endianness::Little)(i)
+ }
+ assert_eq!(be_tsti16(&[0x00, 0x80]), Ok((&b""[..], 128_i16)));
+ assert_eq!(le_tsti16(&[0x00, 0x80]), Ok((&b""[..], -32_768_i16)));
+
+ fn be_tsti32(i: &[u8]) -> IResult<&[u8], i32> {
+ i32(Endianness::Big)(i)
+ }
+ fn le_tsti32(i: &[u8]) -> IResult<&[u8], i32> {
+ i32(Endianness::Little)(i)
+ }
+ assert_eq!(
+ be_tsti32(&[0x00, 0x12, 0x60, 0x00]),
+ Ok((&b""[..], 1_204_224_i32))
+ );
+ assert_eq!(
+ le_tsti32(&[0x00, 0x12, 0x60, 0x00]),
+ Ok((&b""[..], 6_296_064_i32))
+ );
+
+ fn be_tsti64(i: &[u8]) -> IResult<&[u8], i64> {
+ i64(Endianness::Big)(i)
+ }
+ fn le_tsti64(i: &[u8]) -> IResult<&[u8], i64> {
+ i64(Endianness::Little)(i)
+ }
+ assert_eq!(
+ be_tsti64(&[0x00, 0xFF, 0x60, 0x00, 0x12, 0x00, 0x80, 0x00]),
+ Ok((&b""[..], 71_881_672_479_506_432_i64))
+ );
+ assert_eq!(
+ le_tsti64(&[0x00, 0xFF, 0x60, 0x00, 0x12, 0x00, 0x80, 0x00]),
+ Ok((&b""[..], 36_028_874_334_732_032_i64))
+ );
+ }
+
+ #[cfg(feature = "std")]
+ fn parse_f64(i: &str) -> IResult<&str, f64, ()> {
+ match recognize_float_or_exceptions(i) {
+ Err(e) => Err(e),
+ Ok((i, s)) => {
+ if s.is_empty() {
+ return Err(Err::Error(()));
+ }
+ match s.parse_to() {
+ Some(n) => Ok((i, n)),
+ None => Err(Err::Error(())),
+ }
+ }
+ }
+ }
+
+ proptest! {
+ #[test]
+ #[cfg(feature = "std")]
+ fn floats(s in "\\PC*") {
+ println!("testing {}", s);
+ let res1 = parse_f64(&s);
+ let res2 = double::<_, ()>(s.as_str());
+ assert_eq!(res1, res2);
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-23 13:25:48 +0000