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[persistent-data/data-structures] add method to visit values and damage in a bitset

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This commit is contained in:
Joe Thornber
2013-10-10 12:55:10 +01:00
parent 347de67e2d
commit 9b5bf559ec
2 changed files with 74 additions and 0 deletions
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22
persistent-data/data-structures/bitset.h
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@ -19,11 +19,31 @@
#ifndef BITSET_H
#define BITSET_H
#include "persistent-data/run.h"
//----------------------------------------------------------------
namespace persistent_data {
namespace bitset_detail {
class bitset_impl;
class missing_bits {
public:
missing_bits(base::run<uint32_t> const &keys)
: keys_(keys) {
}
base::run<uint32_t> keys_;
};
class bitset_visitor {
public:
typedef boost::shared_ptr<bitset_visitor> ptr;
virtual ~bitset_visitor();
virtual void visit(uint32_t index, bool value);
virtual void visit(missing_bits const &d);
};
}
class bitset {
@ -42,6 +62,8 @@ namespace persistent_data {
void set(unsigned n, bool value);
void flush();
void walk_bitset(bitset_detail::bitset_visitor &v) const;
private:
boost::shared_ptr<bitset_detail::bitset_impl> impl_;
};