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#![cfg_attr(feature = "alloc", feature(alloc))]
#![cfg_attr(not(feature = "std"), no_std)]
#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#[cfg(all(feature = "alloc", not(feature = "std")))]
extern crate std;
mod bindings;
pub use self::bindings::*;
pub use self::ctypes::*;
pub mod ctypes {
pub use crate::bindings::{int128_t, uint128_t};
pub use std::ffi::*;
pub type c_char = c_uchar;
pub type c_int = i32;
pub type c_uint = u32;
pub type c_long = i32;
pub type c_ulong = u32;
pub type int8_t = i8;
pub type int16_t = i16;
pub type int32_t = i32;
pub type int64_t = i64;
pub type uint8_t = u8;
pub type uint16_t = u16;
pub type uint32_t = u32;
pub type uint64_t = u64;
pub type c_schar = i8;
pub type c_short = i16;
pub type c_longlong = i64;
pub type c_uchar = u8;
pub type c_ushort = u16;
pub type c_ulonglong = u64;
pub type c_float = f32;
pub type c_double = f64;
pub type intmax_t = i64;
pub type uintmax_t = u64;
pub type size_t = usize;
pub type ptrdiff_t = isize;
pub type intptr_t = isize;
pub type uintptr_t = usize;
pub type ssize_t = isize;
#[repr(u8)]
pub enum c_void {
#[doc(hidden)]
__variant1,
#[doc(hidden)]
__variant2,
}
}
fn char_to_symbol(c: char) -> Option<char> {
if c >= 'a' && c <= 'z' {
::std::char::from_u32((c as u32 - 'a' as u32) + 6)
} else if c >= '1' && c <= '5' {
::std::char::from_u32((c as u32 - '1' as u32) + 1)
} else {
None
}
}
#[derive(Debug, PartialEq)]
pub enum ParseNameError {
IsEmpty,
TooLong,
BadChar(char),
}
pub fn string_to_name(s: &str) -> Result<u64, ParseNameError> {
if s.is_empty() {
return Err(ParseNameError::IsEmpty);
}
if s.len() > 12 {
return Err(ParseNameError::TooLong);
}
let mut value = 0;
for (i, c) in s.chars().enumerate() {
match char_to_symbol(c) {
Some(symbol) => {
let mut n = symbol as u64;
if i < 12 {
n &= 31u64;
n <<= 64 - 5 * (i + 1);
} else {
n &= 15u64;
}
value |= n;
}
None => {
return Err(ParseNameError::BadChar(c));
}
}
}
Ok(value)
}
pub const NAME_CHARS: [u8; 32] = *b".12345abcdefghijklmnopqrstuvwxyz";
#[cfg(any(feature = "std", feature = "alloc"))]
pub fn name_to_string(name: u64) -> String {
let mut chars = [b'.'; 13];
let mut t = name;
for i in 0..13 {
let charmap_index = t & if i == 0 { 15 } else { 31 };
let c = NAME_CHARS[charmap_index as usize];
chars[12 - i] = c;
t >>= if i == 0 { 4 } else { 5 };
}
::std::str::from_utf8(&chars)
.unwrap()
.trim_matches('.')
.to_string()
}
#[derive(Debug, PartialEq)]
pub enum ParseSymbolError {
IsEmpty,
TooLong,
BadChar(char),
}
pub fn string_to_symbol(precision: u8, s: &str) -> Result<u64, ParseSymbolError> {
let mut result: u64 = 0;
for (i, c) in s.chars().enumerate() {
if c < 'A' || c > 'Z' {
return Err(ParseSymbolError::BadChar(c));
} else {
result |= (c as u64) << (8 * (i + 1));
}
}
result |= u64::from(precision);
Ok(result)
}
pub fn symbol_name_length(symbol: u64) -> usize {
let mut sym = symbol;
sym >>= 8; let mut len = 0;
while sym & 255 > 0 && len <= 7 {
len += 1;
sym >>= 8;
}
len
}