Version: 0.9
Copyright (c) 2005 Robert Bamler <Robert dot Bamler (a) gmx dot de>
The layout of the index-section is best described with an example. The following should be easily understandable. If you have any questions, please send me an
| "TOC" | magic word |
| 04 | length of addresses of blocks that appear in this block |
| 02 | length of block offsets that appear in this block |
| 02 | length of wordlength-descriptors that appear in this block |
| FF | beginning of a list |
| 00 | type of list: overview |
| 01 xxxxxxxx | address of the block containing the list of authors |
| FF | beginning of a new list |
| 01 | type of list: index of the index-section |
| FE 00 01 | the following keywords have length 1 |
| 'a' xxxxxxxx | address of the block containing a part of the index beginning with article 'a' |
| FE 00 03 | The following keywords have length 3 |
| 'asd' xxxxxxxx | address of the block containing a part of the index beginning with article 'asd' |
| 'qwe' xxxxxxxx | address of the block containing a part of the index beginning with article 'qwe' |
| FF | end of list |
---- new block ----
| "SUBTOC" | magic word |
| 04 | length of addresses of blocks that appear in this block |
| 02 | length of block offsets that appear in this block |
| 02 | length of wordlength-descriptors that appear in this block |
| FF | beginning of a list |
| 02 | type of list: index to articles |
| FD xxxxxx | address of block containing the following articles |
| FE 00 01 | the following keywords have length 1 |
| 'a' FE xxxx | offset of the article 'a' within the block |
| 'b' FE xxxx | offset of the article 'b' within the block |
| FD xxxxxx | address of block containing the following articles |
| 'c' FE xxxx | offset of the article 'b' within the block |
| FE 00 02 | the following keywords have length 2 |
| 'aa' FE xxxx | offset of the article 'aa' within the block |
| FF | end of list |
---- new block ----
| "SUBTOC" | magic word |
| 04 | length of addresses of blocks that appear in this block |
| 02 | length of block offsets that appear in this block |
| 02 | length of wordlength-descriptors that appear in this block |
| FF | beginning of a list |
| 02 | type of list: index to articles |
| FD xxxxxx | address of block containing the following articles |
| FE 00 03 | the following keywords have length 1 |
| 'asd' FE xxxx | offset of the article 'asd' within the block |
| 'bad' FE xxxx | offset of the article 'bad' within the block |
| FF | end of list |
---- new block ----
| "SUBTOC" | magic word |
| 04 | length of addresses of blocks that appear in this block |
| 02 | length of block offsets that appear in this block |
| 02 | length of wordlength-descriptors that appear in this block |
| FF | beginning of a list |
| 02 | type of list: index to articles |
| FD xxxxxx | address of block containing the following articles |
| FE 00 03 | the following keywords have length 1 |
| 'qwe' FE xxxx | offset of the article 'qwe' within the block |
| 'sad' FE xxxx | offset of the article 'sad' within the block |
| FF | end of list |
In the article keywords, the following substitiutions are performed: FF -> FC0F; FE -> FC0E; FD -> FC0D; FC -> FC0C
after performing these substitutions, the articles are sorted (1) by ther length and (2) alphabetically
Block addresses are given in bytes from the end of the file (this way, the size of the meta-information-section doesn't have any effect; Offsets of articles within a block are given in bytes from the beginning of the block (obviously, the number referes to the amount of uncompressed bytes bevore the article).
Copyright (c) 2005 Robert Bamler <Robert dot Bamler (a) gmx dot de>
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is available here.
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