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| author | bptato <nincsnevem662@gmail.com> | 2023-07-06 13:53:27 +0200 |
|---|---|---|
| committer | bptato <nincsnevem662@gmail.com> | 2023-07-06 13:53:27 +0200 |
| commit | f919cd6c39804f8f5c03a3b6125de8bf55fa4d38 (patch) | |
| tree | 0d9e89136e280d882d62260b8a27ae866c717a2c /src/encoding | |
| parent | fbeed195b9f0f7df8a0cf7149c815efa5089f13c (diff) | |
| download | chawan-f919cd6c39804f8f5c03a3b6125de8bf55fa4d38.tar.gz | |
decoderstream: fix incorrect Big5 decoding
Diffstat (limited to 'src/encoding')
| -rw-r--r-- | src/encoding/decoderstream.nim | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/encoding/decoderstream.nim b/src/encoding/decoderstream.nim index 62e69f7f..51feb85d 100644 --- a/src/encoding/decoderstream.nim +++ b/src/encoding/decoderstream.nim @@ -273,8 +273,8 @@ proc decodeBig5(stream: DecoderStream, iq: var seq[uint8], if stream.big5lead != 0: let lead = uint32(stream.big5lead) stream.big5lead = 0 - let offset = if iq[i] < 0x7F: 0x40u16 else: 0x7E - if iq[i] in {0x40u8 .. 0x7Eu8, 0xA1 .. 0xFEu8}: + let offset = if iq[i] < 0x7F: 0x40u16 else: 0x62u16 + if iq[i] in {0x40u8 .. 0x7Eu8, 0xA1u8 .. 0xFEu8}: let p = (lead - 0x81) * 157 + uint16(iq[i]) - offset template output_two(a, b: uint32) = stream.append_codepoint a, oq, olen, n @@ -288,7 +288,7 @@ proc decodeBig5(stream: DecoderStream, iq: var seq[uint8], else: break no_continue inc i continue - if p < Big5Decode.len - Big5DecodeOffset: + if p < Big5Decode.len + Big5DecodeOffset: let c = Big5Decode[p - Big5DecodeOffset] if c != 0: stream.append_codepoint c, oq, olen, n @@ -301,7 +301,7 @@ proc decodeBig5(stream: DecoderStream, iq: var seq[uint8], if stream.isend: break elif cast[char](iq[i]) in Ascii: stream.append_codepoint iq[i], oq, olen, n - elif iq[i] in 0x00u8 .. 0xFEu8: + elif iq[i] in 0x81u8 .. 0xFEu8: stream.big5lead = iq[i] else: stream.handleError(oq, olen, n) |