Package org.apache.tika.parser.chm.accessor

Class ChmItspHeader

java.lang.Object
org.apache.tika.parser.chm.accessor.ChmItspHeader
All Implemented Interfaces:
Serializable, ChmAccessor<ChmItspHeader>
public class ChmItspHeader extends Object implements ChmAccessor<ChmItspHeader>
Directory header The directory starts with a header; its format is as follows: 0000: char[4] 'ITSP' 0004: DWORD Version number 1 0008: DWORD Length of the directory header 000C: DWORD $0a (unknown) 0010: DWORD $1000 Directory chunk size 0014: DWORD "Density" of quickref section, usually 2 0018: DWORD Depth of the index tree - 1 there is no index, 2 if there is one level of PMGI chunks 001C: DWORD Chunk number of root index chunk, -1 if there is none (though at least one file has 0 despite there being no index chunk, probably a bug) 0020: DWORD Chunk number of first PMGL (listing) chunk 0024: DWORD Chunk number of last PMGL (listing) chunk 0028: DWORD -1 (unknown) 002C: DWORD Number of directory chunks (total) 0030: DWORD Windows language ID 0034: GUID {5D02926A-212E-11D0-9DF9-00A0C922E6EC} 0044: DWORD $54 (This is the length again) 0048: DWORD -1 (unknown) 004C: DWORD -1 (unknown) 0050: DWORD -1 (unknown)
See Also:

  • Constructor Details

    • ChmItspHeader

      public ChmItspHeader()

  • Method Details

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • getSignature

      public byte[] getSignature()
      Returns a signature of the header
      Returns:
      itsp signature

    • getVersion

      public int getVersion()
      Returns version of itsp header
      Returns:
      version

    • getHeader_len

      public int getHeader_len()
      Returns header length
      Returns:
      header length

    • getUnknown_000c

      public int getUnknown_000c()
      Returns 000c unknown bytes

    • getBlock_len

      public long getBlock_len()
      Returns block's length
      Returns:
      block_length

    • getBlockidx_intvl

      public int getBlockidx_intvl()
      Returns block index interval
      Returns:
      blockidx_intvl

    • getIndex_depth

      public int getIndex_depth()
      Returns an index depth
      Returns:
      index_depth

    • getIndex_root

      public int getIndex_root()
      Returns index root
      Returns:
      index_root

    • getIndex_head

      public int getIndex_head()
      Returns an index head
      Returns:
      index_head

    • getUnknown_0024

      public int getUnknown_0024()
      Returns 0024 unknown bytes
      Returns:
      unknown_0024

    • getNum_blocks

      public long getNum_blocks()
      Returns number of blocks
      Returns:
      num_blocks

    • getUnknown_002c

      public int getUnknown_002c()
      Returns 002c unknown bytes
      Returns:
      unknown_002c

    • getLang_id

      public long getLang_id()
      Returns language id
      Returns:
      lang_id

    • getSystem_uuid

      public byte[] getSystem_uuid()
      Returns system uuid
      Returns:
      system_uuid

    • getUnknown_0044

      public byte[] getUnknown_0044()
      Returns 0044 unknown bytes
      Returns:
      unknown_0044

    • parse

      public void parse(byte[] data, ChmItspHeader chmItspHeader) throws TikaException
      Description copied from interface: ChmAccessor
      Parses chm accessor
      Specified by:
      parse in interface ChmAccessor<ChmItspHeader>
      Parameters:
      data - chm file
      chmItspHeader -
      Throws:
      TikaException