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This commit is contained in:
Kenichi Handa 2003-05-28 23:27:28 +00:00
parent 75a756f147
commit 103e0180b3
2 changed files with 95 additions and 0 deletions
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72
src/coding.c
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@ -2036,6 +2036,78 @@ decode_coding_iso2022 (coding, source, destination, src_bytes, dst_bytes)
}
continue;
case '%':
if (COMPOSING_P (coding))
DECODE_COMPOSITION_END ('1');
ONE_MORE_BYTE (c1);
if (c1 == '/')
{
/* CTEXT extended segment:
ESC % / [0-4] M L --ENCODING-NAME-- \002 --BYTES--
We keep these bytes as is for the moment.
They may be decoded by post-read-conversion. */
int dim, M, L;
int size, required;
int produced_chars;
ONE_MORE_BYTE (dim);
ONE_MORE_BYTE (M);
ONE_MORE_BYTE (L);
size = ((M - 128) * 128) + (L - 128);
required = 8 + size * 2;
if (dst + required > (dst_bytes ? dst_end : src))
goto label_end_of_loop;
*dst++ = ISO_CODE_ESC;
*dst++ = '%';
*dst++ = '/';
*dst++ = dim;
produced_chars = 4;
dst += CHAR_STRING (M, dst), produced_chars++;
dst += CHAR_STRING (L, dst), produced_chars++;
while (size-- > 0)
{
ONE_MORE_BYTE (c1);
dst += CHAR_STRING (c1, dst), produced_chars++;
}
coding->produced_char += produced_chars;
}
else if (c1 == 'G')
{
unsigned char *d = dst;
int produced_chars;
/* XFree86 extension for embedding UTF-8 in CTEXT:
ESC % G --UTF-8-BYTES-- ESC % @
We keep these bytes as is for the moment.
They may be decoded by post-read-conversion. */
if (d + 6 > (dst_bytes ? dst_end : src))
goto label_end_of_loop;
*d++ = ISO_CODE_ESC;
*d++ = '%';
*d++ = 'G';
produced_chars = 3;
while (d + 1 < (dst_bytes ? dst_end : src))
{
ONE_MORE_BYTE (c1);
if (c1 == ISO_CODE_ESC
&& src + 1 < src_end
&& src[0] == '%'
&& src[1] == '@')
break;
d += CHAR_STRING (c1, d), produced_chars++;
}
if (d + 3 > (dst_bytes ? dst_end : src))
goto label_end_of_loop;
*d++ = ISO_CODE_ESC;
*d++ = '%';
*d++ = '@';
dst = d;
coding->produced_char += produced_chars + 3;
}
else
goto label_invalid_code;
continue;
default:
if (! (coding->flags & CODING_FLAG_ISO_DESIGNATION))
goto label_invalid_code;