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--- ParseUtils.h
+++ ParseUtils.h
@@ -24,8 +24,6 @@ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWA
#include <stdlib.h>
#include <stdio.h>
-#include <zlib.h>
-
#include "XAlloc.h"
namespace Minisat {
@@ -36,24 +34,16 @@ namespace Minisat {
class StreamBuffer {
- gzFile in;
unsigned char* buf;
int pos;
int size;
enum { buffer_size = 64*1024 };
- void assureLookahead() {
- if (pos >= size) {
- pos = 0;
- size = gzread(in, buf, buffer_size); } }
+ virtual void assureLookahead() = 0;
public:
- explicit StreamBuffer(gzFile i) : in(i), pos(0), size(0){
- buf = (unsigned char*)xrealloc(NULL, buffer_size);
- assureLookahead();
- }
- ~StreamBuffer() { free(buf); }
+ virtual ~StreamBuffer() { }
int operator * () const { return (pos >= size) ? EOF : buf[pos]; }
void operator ++ () { pos++; assureLookahead(); }
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