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A more complete implementation.

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This commit is contained in:
Moritz Bunkus 2005-09-04 15:00:50 +00:00
parent 852b960389
commit 5c721f719e
1 changed files with 15 additions and 3 deletions
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18
src/common/bit_cursor.h
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@ -117,10 +117,10 @@ public:
}
void byte_align() {
if (out_of_data)
throw mm_io_eof_error_c();
if (bits_valid == 8)
return;
if (out_of_data)
throw mm_io_eof_error_c();
bits_valid = 0;
byte_position += 1;
}
@ -176,7 +176,7 @@ public:
}
}
void put_bit(int bit) {
void put_bit(bool bit) {
if (byte_position >= end_of_data) {
out_of_data = true;
throw mm_io_eof_error_c();
@ -207,6 +207,18 @@ public:
byte_position = start_of_data + (pos / 8);
mask = 0x80 >> (pos % 8);
}
int get_bit_position() {
int i, pos;
pos = (byte_position - start_of_data) * 8;
for (i = 0; 8 > i; ++i)
if ((0x80 >> i) == mask) {
pos += i;
break;
}
return pos;
}
};
#endif // __BIT_CURSOR_H