Input_JavaSrc.java [plain text]
package gnu.gcj.convert;
public class Input_JavaSrc extends BytesToUnicode
{
public String getName() { return "JavaSrc"; }
int state = 0;
int value;
public int read (char[] outbuffer, int outpos, int count)
{
int origpos = outpos;
for (;;)
{
if (inpos >= inlength)
break;
if (outpos - origpos >= count)
break;
char b = (char) (inbuffer[inpos++] & 0xFF);
switch (state)
{
case 0:
if (b == '\\')
{
state = 1;
continue;
}
break;
case 1:
if (b == 'u')
{
state = 2;
continue;
}
if (b != '\\')
{
value = b;
b = '\\';
state = 3;
}
break;
case 3:
b = (char) value;
break;
default: int digit = Character.digit(b, 16);
if (digit < 0)
{
b = '\uFFFD';
state = 0;
}
else
{
value = value * 16 + digit;
if (state < 7)
{
state++;
continue;
}
b = (char) value;
}
state = 0;
}
outbuffer[outpos++] = b;
}
return outpos - origpos;
}
}