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partially passing encoder

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This commit is contained in:
Henry Schimke
2022-09-25 16:52:12 -05:00
parent fb08ee0e34
commit b2a460a226
10 changed files with 769 additions and 512 deletions
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34
src/aztec/encoder/binary_shift_token.rs
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@@ -20,37 +20,37 @@ use crate::common::BitArray;
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct BinaryShiftToken {
binaryShiftStart: u32,
binaryShiftByteCount: u32,
binary_shift_start: u32,
binary_shift_byte_count: u32,
}
impl BinaryShiftToken {
pub fn new(binaryShiftStart: u32, binaryShiftByteCount: u32) -> Self {
pub fn new(binary_shift_start: u32, binary_shift_byte_count: u32) -> Self {
Self {
binaryShiftStart,
binaryShiftByteCount,
binary_shift_start,
binary_shift_byte_count,
}
}
pub fn appendTo(&self, bitArray: &mut BitArray, text: &[u8]) {
let bsbc = self.binaryShiftByteCount as usize;
pub fn appendTo(&self, bit_array: &mut BitArray, text: &[u8]) {
let bsbc = self.binary_shift_byte_count as usize;
for i in 0..bsbc {
// for (int i = 0; i < bsbc; i++) {
if (i == 0 || (i == 31 && bsbc <= 62)) {
if i == 0 || (i == 31 && bsbc <= 62) {
// We need a header before the first character, and before
// character 31 when the total byte code is <= 62
bitArray.appendBits(31, 5); // BINARY_SHIFT
if (bsbc > 62) {
bitArray.appendBits(bsbc as u32 - 31, 16);
} else if (i == 0) {
bit_array.appendBits(31, 5).unwrap(); // BINARY_SHIFT
if bsbc > 62 {
bit_array.appendBits(bsbc as u32 - 31, 16).unwrap();
} else if i == 0 {
// 1 <= binaryShiftByteCode <= 62
bitArray.appendBits(bsbc.min(31) as u32, 5);
bit_array.appendBits(bsbc.min(31) as u32, 5).unwrap();
} else {
// 32 <= binaryShiftCount <= 62 and i == 31
bitArray.appendBits(bsbc as u32 - 31, 5);
bit_array.appendBits(bsbc as u32 - 31, 5).unwrap();
}
}
bitArray.appendBits(text[self.binaryShiftStart as usize + i].into(), 8);
bit_array.appendBits(text[self.binary_shift_start as usize + i].into(), 8).expect("should never fail to append");
}
}
@@ -65,8 +65,8 @@ impl fmt::Display for BinaryShiftToken {
write!(
f,
"<{}::{}>",
self.binaryShiftStart,
(self.binaryShiftStart + self.binaryShiftByteCount - 1)
self.binary_shift_start,
(self.binary_shift_start + self.binary_shift_byte_count - 1)
)
}
}