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decoder ported, not many test casses

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This commit is contained in:
Henry Schimke
2022-10-06 15:22:09 -05:00
parent fff18b0db6
commit 7a5b89cb89
9 changed files with 386 additions and 302 deletions
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15
src/common/mod.rs
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@@ -1545,7 +1545,7 @@ impl BitSource {
return Err(Exceptions::IllegalArgumentException(numBits.to_string()));
}
let mut result = 0;
let mut result:u32 = 0;
let mut num_bits = numBits;
@@ -1555,7 +1555,8 @@ impl BitSource {
let toRead = cmp::min(num_bits, bitsLeft);
let bitsToNotRead = bitsLeft - toRead;
let mask = (0xFF >> (8 - toRead)) << bitsToNotRead;
result = (self.bytes[self.byte_offset] & mask) >> bitsToNotRead;
result = (self.bytes[self.byte_offset] & mask) as u32 >> bitsToNotRead;
num_bits -= toRead;
self.bit_offset += toRead;
if self.bit_offset == 8 {
@@ -1567,7 +1568,8 @@ impl BitSource {
// Next read whole bytes
if num_bits > 0 {
while num_bits >= 8 {
result = ((result as u16) << 8) as u8 | (self.bytes[self.byte_offset] & 0xFF);
result = (result << 8) | (self.bytes[self.byte_offset] & 0xFF) as u32;
// result = ((result as u16) << 8) as u8 | (self.bytes[self.byte_offset]);
self.byte_offset += 1;
num_bits -= 8;
}
@@ -1577,12 +1579,12 @@ impl BitSource {
let bits_to_not_read = 8 - num_bits;
let mask = (0xFF >> bits_to_not_read) << bits_to_not_read;
result = (result << num_bits)
| ((self.bytes[self.byte_offset] & mask) >> bits_to_not_read);
| ((self.bytes[self.byte_offset] & mask) as u32 >> bits_to_not_read);
self.bit_offset += num_bits;
}
}
return Ok(result.into());
return Ok(result);
}
/**
@@ -2514,7 +2516,8 @@ impl CharacterSetECI {
pub fn getCharset(cs_eci: &CharacterSetECI) -> EncodingRef {
let name = match cs_eci {
CharacterSetECI::Cp437 => "CP437",
// CharacterSetECI::Cp437 => "CP437",
CharacterSetECI::Cp437 => "UTF-8",
CharacterSetECI::ISO8859_1 => "ISO-8859-1",
CharacterSetECI::ISO8859_2 => "ISO-8859-2",
CharacterSetECI::ISO8859_3 => "ISO-8859-3",