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hash.go
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hash.go
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package azcs
import (
"encoding/json"
"hash/crc32"
"io"
"os"
"strings"
"sync"
)
var DefaultHashRegistry *HashRegistry
func init() {
DefaultHashRegistry = NewHashRegistry()
for _, value := range hashAchievementDataAchievementDataTableAchievementID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashBlueprintItemDefinitionsBlueprintBlueprintID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashBuffBucketDataBuffBucketsBuffBucketId {
DefaultHashRegistry.Add(value)
}
for _, value := range hashGameEventDataEventID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashGatherableDataGatherablesGatherableID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashLoreDataLoreLoreID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashMasterItemDefinitionsItemID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashNPCDataNPCId {
DefaultHashRegistry.Add(value)
}
for _, value := range hashObjectivesObjectiveID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashPerkBucketDataPerkBucketsPerkBucketID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashPropertiesData {
DefaultHashRegistry.Add(value)
}
for _, value := range hashRewardModifierDataRewardModifiersModifiers {
DefaultHashRegistry.Add(value)
}
for _, value := range hashStatusEffectDataEffectCategories {
DefaultHashRegistry.Add(value)
}
for _, value := range hashStatusEffectDataStatusID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashTerritoryProgressionDataTerritoryProgressionProjectId {
DefaultHashRegistry.Add(value)
}
for _, value := range hashVitalsCategoryDataVitalsCategoriesVitalsCategoryID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashVitalsDataVitalsVitalsID {
DefaultHashRegistry.Add(value)
}
for _, value := range hashVitalsModifierDataVitalsModifiersCategoryId {
DefaultHashRegistry.Add(value)
}
}
func NewHashRegistry() *HashRegistry {
return &HashRegistry{
hashes: map[uint32]string{},
}
}
type HashRegistry struct {
mu sync.Mutex
hashes map[uint32]string
}
func (registry *HashRegistry) Add(value string) error {
if value == "" {
return nil
}
lowerValue := strings.ToLower(value)
hash := crc32.ChecksumIEEE([]byte(lowerValue))
registry.mu.Lock()
defer registry.mu.Unlock()
registry.hashes[hash] = lowerValue
return nil
}
func (registry *HashRegistry) Has(hash uint32) bool {
registry.mu.Lock()
defer registry.mu.Unlock()
_, ok := registry.hashes[hash]
return ok
}
func (registry *HashRegistry) Get(hash uint32) string {
registry.mu.Lock()
defer registry.mu.Unlock()
return registry.hashes[hash]
}
func (registry *HashRegistry) Remove(hash uint32) {
registry.mu.Lock()
defer registry.mu.Unlock()
delete(registry.hashes, hash)
}
func (registry *HashRegistry) Hashes() map[uint32]string {
registry.mu.Lock()
defer registry.mu.Unlock()
return registry.hashes
}
func LoadHashes(filePath string, registry *HashRegistry) error {
f, err := os.OpenFile(filePath, os.O_RDWR|os.O_CREATE, 0666)
if err != nil {
return err
}
defer f.Close()
var names map[uint32]string
dec := json.NewDecoder(f)
err = dec.Decode(&names)
if err == io.EOF {
names = map[uint32]string{}
}
if err != nil && err != io.EOF {
return err
}
for _, value := range names {
registry.Add(value)
}
return nil
}
func StoreHashes(filePath string, registry *HashRegistry) error {
f, err := os.OpenFile(filePath, os.O_RDWR|os.O_CREATE, 0666)
if err != nil {
return err
}
defer f.Close()
err = f.Truncate(0)
if err != nil {
return err
}
_, err = f.Seek(0, io.SeekStart)
if err != nil {
return err
}
enc := json.NewEncoder(f)
enc.SetIndent("", " ")
err = enc.Encode(registry.Hashes())
if err != nil {
return err
}
return nil
}