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Move Dict constants to detail namespace

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This commit is contained in:
Tim Wojtulewicz 2020-08-11 10:17:16 -07:00
parent c795f2014f
commit 47f3eb69fa
2 changed files with 12 additions and 20 deletions
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24
src/Dict.h
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@ -15,6 +15,13 @@ typedef void (*dict_delete_func)(void*);
namespace zeek {
enum DictOrder { ORDERED, UNORDERED };
// A dict_delete_func that just calls delete.
extern void generic_delete_func(void*);
namespace detail {
// Default number of hash buckets in dictionary. The dictionary will increase the size
// of the hash table as needed.
constexpr uint32_t HASH_MASK = 0xFFFFFFFF; //only lower 32 bits.
@ -24,38 +31,23 @@ constexpr uint32_t HASH_MASK = 0xFFFFFFFF; //only lower 32 bits.
// When incrementally resizing and remapping, it remaps DICT_REMAP_ENTRIES each step. Use
// 2 for debug. 16 is best for a release build.
#ifndef DICT_REMAP_ENTRIES
constexpr uint8_t DICT_REMAP_ENTRIES = 16;
#endif
// Load factor = 1 - 0.5 ^ LOAD_FACTOR_BITS. 0.75 is the optimal value for release builds.
#ifndef DICT_LOAD_FACTOR_BITS
constexpr uint8_t DICT_LOAD_FACTOR_BITS = 2;
#endif
// Default number of hash buckets in dictionary. The dictionary will
// increase the size of the hash table as needed.
#ifndef DEFAULT_DICT_SIZE
constexpr uint8_t DEFAULT_DICT_SIZE = 0;
#endif
// When log2_buckets > DICT_THRESHOLD_BITS, DICT_LOAD_FACTOR_BITS becomes effective.
// Basically if dict size < 2^DICT_THRESHOLD_BITS + n, we size up only if necessary.
#ifndef DICT_THRESHOLD_BITS
constexpr uint8_t DICT_THRESHOLD_BITS = 3;
#endif
// The value of an iteration cookie is the bucket and offset within the
// bucket at which to start looking for the next value to return.
constexpr uint16_t TOO_FAR_TO_REACH = 0xFFFF;
enum DictOrder { ORDERED, UNORDERED };
// A dict_delete_func that just calls delete.
extern void generic_delete_func(void*);
namespace detail {
/**
* An entry stored in the dictionary.
*/
@ -160,7 +152,7 @@ public:
*/
class Dictionary {
public:
explicit Dictionary(DictOrder ordering = UNORDERED, int initial_size = DEFAULT_DICT_SIZE);
explicit Dictionary(DictOrder ordering = UNORDERED, int initial_size = detail::DEFAULT_DICT_SIZE);
~Dictionary();
// Member functions for looking up a key, inserting/changing its