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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package trie | ||
|
|
||
| import ( | ||
| "encoding/binary" | ||
| "errors" | ||
| "io" | ||
| ) | ||
|
|
||
| func (ss *DomainSet) WriteBin(w io.Writer, count int64) (err error) { | ||
| // version | ||
| _, err = w.Write([]byte{1}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // count | ||
| err = binary.Write(w, binary.BigEndian, count) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // leaves | ||
| err = binary.Write(w, binary.BigEndian, int64(len(ss.leaves))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, d := range ss.leaves { | ||
| err = binary.Write(w, binary.BigEndian, d) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| // labelBitmap | ||
| err = binary.Write(w, binary.BigEndian, int64(len(ss.labelBitmap))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, d := range ss.labelBitmap { | ||
| err = binary.Write(w, binary.BigEndian, d) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| // labels | ||
| err = binary.Write(w, binary.BigEndian, int64(len(ss.labels))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| _, err = w.Write(ss.labels) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func ReadDomainSetBin(r io.Reader) (ds *DomainSet, count int64, err error) { | ||
| // version | ||
| version := make([]byte, 1) | ||
| _, err = io.ReadFull(r, version) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
| if version[0] != 1 { | ||
| return nil, 0, errors.New("version is invalid") | ||
| } | ||
|
|
||
| // count | ||
| err = binary.Read(r, binary.BigEndian, &count) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
|
|
||
| ds = &DomainSet{} | ||
| var length int64 | ||
|
|
||
| // leaves | ||
| err = binary.Read(r, binary.BigEndian, &length) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
| if length < 1 { | ||
| return nil, 0, errors.New("length is invalid") | ||
| } | ||
| ds.leaves = make([]uint64, length) | ||
| for i := int64(0); i < length; i++ { | ||
| err = binary.Read(r, binary.BigEndian, &ds.leaves[i]) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
| } | ||
|
|
||
| // labelBitmap | ||
| err = binary.Read(r, binary.BigEndian, &length) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
| if length < 1 { | ||
| return nil, 0, errors.New("length is invalid") | ||
| } | ||
| ds.labelBitmap = make([]uint64, length) | ||
| for i := int64(0); i < length; i++ { | ||
| err = binary.Read(r, binary.BigEndian, &ds.labelBitmap[i]) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
| } | ||
|
|
||
| // labels | ||
| err = binary.Read(r, binary.BigEndian, &length) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
| if length < 1 { | ||
| return nil, 0, errors.New("length is invalid") | ||
| } | ||
| ds.labels = make([]byte, length) | ||
| _, err = io.ReadFull(r, ds.labels) | ||
| if err != nil { | ||
| return nil, 0, err | ||
| } | ||
|
|
||
| ds.init() | ||
| return ds, count, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package provider | ||
|
|
||
| import ( | ||
| "io" | ||
| "os" | ||
|
|
||
| P "github.com/metacubex/mihomo/constant/provider" | ||
|
|
||
| "github.com/klauspost/compress/zstd" | ||
| ) | ||
|
|
||
| func ConvertToMrs(buf []byte, behavior P.RuleBehavior, format P.RuleFormat, w io.Writer) (err error) { | ||
| strategy := newStrategy(behavior, nil) | ||
| strategy, err = rulesParse(buf, strategy, format) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if _strategy, ok := strategy.(mrsRuleStrategy); ok { | ||
| var encoder *zstd.Encoder | ||
| encoder, err = zstd.NewWriter(w) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| zstdErr := encoder.Close() | ||
| if err == nil { | ||
| err = zstdErr | ||
| } | ||
| }() | ||
| return _strategy.WriteMrs(encoder) | ||
| } else { | ||
| return ErrInvalidFormat | ||
| } | ||
| } | ||
|
|
||
| func ConvertMain(args []string) { | ||
| if len(args) > 3 { | ||
| behavior, err := P.ParseBehavior(args[0]) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| format, err := P.ParseRuleFormat(args[1]) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| source := args[2] | ||
| target := args[3] | ||
|
|
||
| sourceFile, err := os.ReadFile(source) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| targetFile, err := os.OpenFile(target, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| err = ConvertToMrs(sourceFile, behavior, format, targetFile) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| err = targetFile.Close() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } else { | ||
| panic("Usage: convert-ruleset <behavior> <format> <source file> <target file>") | ||
| } | ||
| } |
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