SJISCodingSystem.cxx revision 7c478bd95313f5f23a4c958a745db2134aa03244
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#pragma ident "%Z%%M% %I% %E% SMI"
#include "splib.h"
#ifdef SP_MULTI_BYTE
#include "SJISCodingSystem.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class SJISDecoder : public Decoder {
public:
SJISDecoder();
private:
};
class SJISEncoder : public RecoveringEncoder {
public:
SJISEncoder();
}
};
{
return new SJISDecoder;
}
{
return new SJISEncoder;
}
{
}
{
while (slen > 0) {
unsigned char c = *(unsigned char *)s;
if (!(c & 0x80)) {
*to++ = c;
s++;
slen--;
}
else if (129 <= c && c <= 159) {
if (slen < 2)
break;
s++;
slen -= 2;
unsigned char c2 = *(unsigned char *)s++;
n -= 31 + (1 << 8);
else if (c2 <= 158)
n -= 32 + (1 << 8);
else if (c2 <= 252)
n -= 126;
else
continue;
n |= 0x8080;
*to++ = n;
}
else if (224 <= c && c <= 239) {
if (slen < 2)
break;
s++;
slen -= 2;
unsigned char c2 = *(unsigned char *)s++;
n -= 31 + (1 << 8);
else if (c2 <= 158)
n -= 32 + (1 << 8);
else if (c2 <= 252)
n -= 126;
else
continue;
n |= 0x8080;
*to++ = n;
}
else if (161 <= c && c <= 223) {
slen--;
s++;
*to++ = c;
}
else {
// 128, 160, 240-255
slen--;
s++;
}
}
*rest = s;
}
{
}
{
for (; n > 0; s++, n--) {
Char c = *s;
unsigned short mask = (unsigned short)(c & 0x8080);
if (mask == 0)
else if (mask == 0x8080) {
unsigned char c2 = c & 0x7f;
unsigned char out1;
if (c1 < 33)
out1 = 0;
else if (c1 < 95)
else if (c1 < 127)
else
out1 = 0;
if (out1) {
unsigned char out2;
if (c1 & 1) {
if (c2 < 33)
out2 = 0;
else if (c2 <= 95)
else if (c2 <= 126)
else
out2 = 0;
}
else {
else
out2 = 0;
}
if (out2) {
}
else
handleUnencodable(c, sb);
}
else
handleUnencodable(c, sb);
}
else if (mask == 0x0080) {
if (161 <= c && c <= 223)
else
handleUnencodable(c, sb);
}
else
handleUnencodable(c, sb);
}
}
#ifdef SP_NAMESPACE
}
#endif
#else /* not SP_MULTI_BYTE */
#ifndef __GNUG__
static char non_empty_translation_unit; // sigh
#endif
#endif /* not SP_MULTI_BYTE */