/
mdict_extend.go
320 lines (303 loc) · 13.2 KB
/
mdict_extend.go
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package gomdict
import (
"bytes"
"fmt"
"github.com/fatih/color"
"github.com/rodaine/table"
)
func (mdict *Mdict) Digest() string {
outstr := ""
outstr += "meta:\n"
outstr += "-----------------------------\n"
outstr += mdict.digestMeta()
outstr += "\n"
outstr += "-----------------------------\n"
outstr += "header:\n"
outstr += "-----------------------------\n"
outstr += fmt.Sprintf("headerInfo: %+v\n", mdict.header.headerInfo)
outstr += fmt.Sprintf("headerBytesSize: %+v\n", mdict.header.headerBytesSize)
outstr += fmt.Sprintf("dictionaryHeaderByteSize: %+v\n", mdict.header.dictionaryHeaderByteSize)
outstr += fmt.Sprintf("adler32Checksum: %+v\n", mdict.header.adler32Checksum)
outstr += "-----------------------------\n"
outstr += "keyBlockMeta:\n"
outstr += "-----------------------------\n"
outstr += mdict.digestKeyBlockMeta()
outstr += "-----------------------------\n"
outstr += "keyBlockInfo:\n"
outstr += "-----------------------------\n"
outstr += fmt.Sprintf("keyBlockEntriesStartOffset: %+v\n", mdict.keyBlockInfo.keyBlockEntriesStartOffset)
outstr += mdict.digestKeyBlockInfo()
outstr += "-----------------------------\n"
outstr += "keyBlockData:\n"
outstr += "-----------------------------\n"
outstr += fmt.Sprintf("keyEntriesSize: %+v\n", mdict.keyBlockData.keyEntriesSize)
outstr += fmt.Sprintf("recordBlockMetaStartOffset: %+v\n", mdict.keyBlockData.recordBlockMetaStartOffset)
outstr += fmt.Sprintf("keyEntries[0]: %+v\n", mdict.keyBlockData.keyEntries[0])
outstr += fmt.Sprintf("keyEntries[1]: %+v\n", mdict.keyBlockData.keyEntries[1])
outstr += fmt.Sprintf("keyEntries[3]: %+v\n", mdict.keyBlockData.keyEntries[2])
outstr += fmt.Sprintf("keyEntries[4]: %+v\n", mdict.keyBlockData.keyEntries[4])
outstr += fmt.Sprintf("keyEntries[5]: %+v\n", mdict.keyBlockData.keyEntries[5])
outstr += fmt.Sprintf("keyEntries.len(): %+v\n", len(mdict.keyBlockData.keyEntries))
outstr += "-----------------------------\n"
outstr += "recordBlockMeta:\n"
outstr += "-----------------------------\n"
outstr += fmt.Sprintf("keyRecordMetaStartOffset: %+v\n", mdict.recordBlockMeta.keyRecordMetaStartOffset)
outstr += fmt.Sprintf("keyRecordMetaEndOffset: %+v\n", mdict.recordBlockMeta.keyRecordMetaEndOffset)
outstr += fmt.Sprintf("entriesNum: %+v\n", mdict.recordBlockMeta.entriesNum)
outstr += fmt.Sprintf("recordBlockInfoCompSize: %+v\n", mdict.recordBlockMeta.recordBlockInfoCompSize)
outstr += fmt.Sprintf("recordBlockCompSize: %+v\n", mdict.recordBlockMeta.recordBlockCompSize)
outstr += "-----------------------------\n"
outstr += "recordBlockInfo:\n"
outstr += "-----------------------------\n"
outstr += fmt.Sprintf("recordBlockDataStartOffset: %+v\n", mdict.recordBlockInfo.recordBlockDataStartOffset)
outstr += fmt.Sprintf("recordBlockInfoStartOffset: %+v\n", mdict.recordBlockInfo.recordBlockInfoStartOffset)
outstr += fmt.Sprintf("recordBlockInfoEndOffset: %+v\n", mdict.recordBlockInfo.recordBlockInfoEndOffset)
outstr += fmt.Sprintf("recordInfoList[0]: %+v\n", mdict.recordBlockInfo.recordInfoList[0])
outstr += fmt.Sprintf("recordInfoList[1]: %+v\n", mdict.recordBlockInfo.recordInfoList[1])
outstr += fmt.Sprintf("recordInfoList[2]: %+v\n", mdict.recordBlockInfo.recordInfoList[2])
outstr += fmt.Sprintf("recordInfoList[3]: %+v\n", mdict.recordBlockInfo.recordInfoList[3])
outstr += fmt.Sprintf("recordInfoList.len(): %+v\n", len(mdict.recordBlockInfo.recordInfoList))
//outstr += "-----------------------------\n"
//outstr += "RecordBlockData:\n"
//outstr += fmt.Sprintf("RecordBlockData: %+v\n", mdict.RecordBlockData)
return outstr
}
func (mdict *Mdict) digestMeta() string {
headerFmt := color.New(color.FgGreen, color.Underline).SprintfFunc()
columnFmt := color.New(color.FgYellow).SprintfFunc()
tbl := table.New("Key", "Value")
tbl.WithHeaderFormatter(headerFmt).WithFirstColumnFormatter(columnFmt)
writer := bytes.NewBufferString("")
tbl.WithWriter(writer)
tbl.AddRow("encryptType", fmt.Sprintf("%v", mdict.meta.encryptType))
tbl.AddRow("version", fmt.Sprintf("%v", mdict.meta.version))
tbl.AddRow("encoding", fmt.Sprintf("%v", mdict.meta.encoding))
tbl.AddRow("NumberWith", fmt.Sprintf("%v", mdict.meta.numberWidth))
tbl.AddRow("numberFormat", fmt.Sprintf("%v", mdict.meta.numberFormat))
tbl.AddRow("keyBlockMetaStartOffset", fmt.Sprintf("%v", mdict.meta.keyBlockMetaStartOffset))
tbl.AddRow("keyBlockMetaStartOffset", fmt.Sprintf("%v", mdict.meta.description))
tbl.Print()
return writer.String()
}
func (mdict *Mdict) digestKeyBlockMeta() string {
headerFmt := color.New(color.FgGreen, color.Underline).SprintfFunc()
columnFmt := color.New(color.FgYellow).SprintfFunc()
tbl := table.New("Key", "Value")
tbl.WithHeaderFormatter(headerFmt).WithFirstColumnFormatter(columnFmt)
writer := bytes.NewBufferString("")
tbl.WithWriter(writer)
tbl.AddRow("keyBlockNum", fmt.Sprintf("%v", mdict.keyBlockMeta.keyBlockNum))
tbl.AddRow("entriesNum", fmt.Sprintf("%v", mdict.keyBlockMeta.entriesNum))
tbl.AddRow("keyBlockInfoDecompressSize", fmt.Sprintf("%v", mdict.keyBlockMeta.keyBlockInfoDecompressSize))
tbl.AddRow("keyBlockInfoCompressedSize", fmt.Sprintf("%v", mdict.keyBlockMeta.keyBlockInfoCompressedSize))
tbl.AddRow("keyBlockDataTotalSize", fmt.Sprintf("%v", mdict.keyBlockMeta.keyBlockDataTotalSize))
tbl.AddRow("keyBlockInfoStartOffset", fmt.Sprintf("%v", mdict.keyBlockMeta.keyBlockInfoStartOffset))
tbl.Print()
return writer.String()
}
func (mdict *Mdict) digestKeyBlockInfo() string {
headerFmt := color.New(color.FgGreen, color.Underline).SprintfFunc()
columnFmt := color.New(color.FgYellow).SprintfFunc()
tbl := table.New("Key", "Value")
tbl.WithHeaderFormatter(headerFmt).WithFirstColumnFormatter(columnFmt)
writer := bytes.NewBufferString("")
tbl.WithWriter(writer)
tbl.AddRow("0", fmt.Sprintf("%+v", mdict.keyBlockInfo.keyBlockInfoList[0]))
tbl.AddRow("1", fmt.Sprintf("%+v", mdict.keyBlockInfo.keyBlockInfoList[1]))
tbl.AddRow("2", fmt.Sprintf("%+v", mdict.keyBlockInfo.keyBlockInfoList[2]))
tbl.AddRow("3", fmt.Sprintf("%+v", mdict.keyBlockInfo.keyBlockInfoList[3]))
tbl.AddRow("4", fmt.Sprintf("%+v", mdict.keyBlockInfo.keyBlockInfoList[4]))
tbl.Print()
return writer.String()
}
//
//type MDictRecordBlockData struct {
// RecordItemList []*MDictRecordDataItem
// RecordBlockStartOffset int64
// RecordBlockEndOffset int64
//}
//
//type MDictRecordDataItem struct {
// KeyWord string
// RecordEntryIndex int64
// RecordInfoIndex int64
// RecordBlockIndex int64
// RecordBlockCompressStart int64
// RecordBlockCompressEnd int64
// RecordBlockCompressSize int64
// RecordBlockDeCompressSize int64
// RecordBlockCompressType string
// RecordBlockEncrypted bool
// RecordBlockFileRelativeOffset int64
// RecordBlockCompressAccumulator int64
// RecordBlockDeCompressAccumulator int64
//
// RecordEntryDecompressStart int64
// RecordEntryDecompressEnd int64
//}
//func (mdict *MdictBase) ReadRecordBlockData() error {
// file, err := os.Open(mdict.filePath)
// if err != nil {
// return err
// }
// defer file.close()
//
// recordBlockInfoStartOffset := mdict.recordBlockInfo.recordBlockDataStartOffset
//
// recordBlockInfoLen := mdict.recordBlockInfo.recordInfoList[len(mdict.recordBlockInfo.recordInfoList)-1].compressAccumulatorOffset
//
// buffer, err := readFileFromPos(file, recordBlockInfoStartOffset, recordBlockInfoLen)
// if err != nil {
// return err
// }
//
// err = mdict.decodeRecordBlockData(buffer, recordBlockInfoStartOffset, recordBlockInfoStartOffset+recordBlockInfoLen)
// if err != nil {
// return err
// }
// return nil
//}
// TODO FIX THIS, 这个方法尚未实现
//func (mdict *MdictBase) decodeRecordBlockData(data []byte, startOffset, endOffset int64) error {
//
// var sizeCounter = int64(0)
// var itemCounter = int64(0)
// var recordBlockOffset = int64(0)
// var recordCompType = "NONE"
//
// var recordBlockData = &MDictRecordBlockData{
// RecordBlockStartOffset: startOffset,
// RecordBlockEndOffset: endOffset,
// RecordItemList: make([]*MDictRecordDataItem, 0),
// }
//
// for idx := 0; idx < len(mdict.recordBlockInfo.recordInfoList); idx++ {
// var recordBlockCompSize = mdict.recordBlockInfo.recordInfoList[idx].RecordBlockCompressSize
// var recordBlockDecompSize = mdict.recordBlockInfo.recordInfoList[idx].RecordBlockDeCompressSize
// var recordBlockDataCompBuff = data[recordBlockOffset : recordBlockOffset+recordBlockCompSize]
// var recordBlockCompressAccumulator = mdict.recordBlockInfo.recordInfoList[idx].compressAccumulatorOffset
// var recordBlockDeCompressAccumulator = mdict.recordBlockInfo.recordInfoList[idx].deCompressAccumulatorOffset
//
// // 4 bytes: compression type
// var rbCompType = recordBlockDataCompBuff[0:4]
//
// // record_block stores the final record data
// var recordBlock []byte
//
// // TODO: igore adler32 offset
// // Note: here ignore the checksum part
// // bytes: adler32 checksum of decompressed record block
// // adler32 = unpack('>I', record_block_compressed[4:8])[0]
// if rbCompType[0] == 0 {
// recordBlock = recordBlockDataCompBuff[8 : 8+recordBlockCompSize]
// recordCompType = "NONE"
// } else {
// // decrypt
// var blockBufDecrypted []byte
// // if encrypt type == 1, the record block was encrypted
// if mdict.meta.encryptType == EncryptRecordEnc {
// // const passkey = new Uint8Array(8);
// // record_block_compressed.copy(passkey, 0, 4, 8);
// // passkey.set([0x95, 0x36, 0x00, 0x00], 4); // key part 2: fixed data
// blockBufDecrypted = mdxDecrypt(recordBlockDataCompBuff, recordBlockCompSize)
// } else {
// blockBufDecrypted = recordBlockDataCompBuff[8:recordBlockCompSize]
// }
//
// // decompress
// if rbCompType[0] == 1 {
// // TODO the second part
// recordCompType = "LZOX1"
// header := []byte{0xf0, byte(int(recordBlockDecompSize))}
// // # decompress key block
// reader := bytes.NewReader(append(header, blockBufDecrypted...))
//
// out, err1 := lzo.Decompress1X(reader, 0, 0 /* decompressedSize, 1308672*/)
// if err1 != nil {
// return err1
// }
//
// recordBlock = out
//
// } else if rbCompType[0] == 2 {
// recordCompType = "ZLIB"
// var err error
// recordBlock, err = zlibDecompress(blockBufDecrypted, 0, int64(len(blockBufDecrypted)))
// if err != nil {
// return err
// }
// }
// }
//
// // notice that adler32 return signed value
// // TODO: ignore the checksum
// // assert(adler32 == zlib.adler32(record_block) & 0xffffffff)
//
// if int64(len(recordBlock)) != recordBlockDecompSize {
// return errors.New("recordBlock length not equals decompress Size")
// }
//
// /**
// * 请注意,block 是会有很多个的,而每个block都可能会被压缩
// * 而 key_list中的 record_start, key_text是相对每一个block而言的,end是需要每次解析的时候算出来的
// * 所有的record_start/length/end都是针对解压后的block而言的
// */
//
// // split record block according to the offset info from key block
// //var offset = int64(0)
// keyblockEntry := mdict.keyBlockData.keyEntries
// for i := 0; i < len(keyblockEntry); i++ {
//
// var recordEntryStart = keyblockEntry[i].RecordLocateStartOffset
// var keyText = keyblockEntry[i].KeyWord
// // # reach the end of current record block
// //if recordEntryStart-offset >= int64(len(recordBlock)) {
// // break
// //}
// // # record end index
// var recordEntryEnd int64 = 0
// if i < len(keyblockEntry)-1 {
// recordEntryEnd = int64(keyblockEntry[i+1].RecordLocateStartOffset)
// } else {
// //recordEntryEnd = int64(len(mdict.keyBlockData.KeyList)) + offset
// recordEntryEnd = endOffset
// }
//
// //fmt.Printf("keyText: %s, recordEntryStart: %d, recordEntryEnd:%d\n", keyText, recordEntryStart, recordEntryEnd)
//
// recordBlockData.RecordItemList = append(recordBlockData.RecordItemList,
// &MDictRecordDataItem{
// KeyWord: keyText,
// RecordBlockCompressStart: recordBlockOffset,
// RecordBlockCompressEnd: recordBlockOffset + recordBlockCompSize,
// RecordBlockCompressSize: recordBlockCompSize,
// RecordBlockDeCompressSize: recordBlockDecompSize,
// RecordBlockCompressType: recordCompType,
// RecordBlockEncrypted: mdict.meta.encryptType == EncryptRecordEnc,
// RecordBlockFileRelativeOffset: recordBlockOffset + mdict.recordBlockInfo.recordBlockDataStartOffset,
// RecordBlockCompressAccumulator: recordBlockCompressAccumulator,
// RecordBlockDeCompressAccumulator: recordBlockDeCompressAccumulator,
//
// RecordEntryIndex: int64(itemCounter),
// RecordEntryDecompressStart: recordEntryStart,
// RecordEntryDecompressEnd: recordEntryEnd,
//
// RecordInfoIndex: int64(idx),
// })
//
// itemCounter++
// }
//
// recordBlockOffset += recordBlockCompSize
// //offset += int64(len(recordBlock))
// sizeCounter += recordBlockCompSize
// }
//
// if sizeCounter != mdict.recordBlockMeta.recordBlockCompSize {
// return fmt.Errorf("record entries compressed size sum not equals record block compress size(%d/%d)", sizeCounter, mdict.recordBlockMeta.recordBlockCompSize)
// }
//
// mdict.RecordBlockData = recordBlockData
//
// return nil
//}