Difference between pages "HTML" and "Windows SuperFetch Format"

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The '''Hypertext Markup Language''' ('''HTML''') [[file format]] is used to create/display web pages.
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{{expand}}
  
Its main purpose is to align text, images, or links on a website in a specific way. Web pages with '''.html''' or '''.htm''' extensions are examples of static web site files. Any server or database technologies require another language on top of HTML to create dynamic features in a web site. HTML files are mere [[TXT|plain text files]] whose contents follow certain rules.
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== MEMO file ==
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Some of the <tt>Ag*.db</tt> files are MEMO files.
  
HTML files are usually viewed using a [[Web Browser|web browser]], can also be opened with a variety of other programs.
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The MEMO file consists of:
 +
* file header
 +
* compressed blocks
  
== XHTML ==
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=== File header ===
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The file header is 84 bytes of size and consists of:
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{| class="wikitable"
 +
|-
 +
! Offset
 +
! Size
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| 4
 +
| 0x304D454D ("MEM0") or 0x4F4D454D ("MEMO")
 +
| Signature
 +
|-
 +
| 4
 +
| 4
 +
|
 +
| Uncompressed (total) data size
 +
|-
 +
|}
  
The '''Extensive Hypertext Markup Language''' ('''XHTML''') is similar in nature to HTML, but has a stricter [[XML]]-based syntax.  
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=== Compressed blocks ===
 +
The file header is followed by compressed blocks:
 +
{| class="wikitable"
 +
|-
 +
! Offset
 +
! Size
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| 4
 +
|
 +
| Compressed data size
 +
|-
 +
| 4
 +
| ...
 +
|
 +
| Compressed data
 +
|-
 +
|}
  
== External Links ==
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=== Uncompressed data ===
 +
<b>TODO</b>
  
* [http://en.wikipedia.org/wiki/Html Wikipedia: HTML]
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== TRX file ==
* [http://en.wikipedia.org/wiki/Xhtml Wikipedia: XHTML]
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The <tt>Ag*.db.trx</tt> files are TRX files.
* [http://www.w3.org/TR/html401/ HTML 4.01 Specification]
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* [http://www.w3.org/TR/xhtml11/ XHTML 1.1 Specification]
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<b>Note that the following format specification is incomplete.</b>
 +
 
 +
=== File header ===
 +
The file header is 84 bytes of size and consists of:
 +
{| class="wikitable"
 +
|-
 +
! Offset
 +
! Size
 +
! Value
 +
! Description
 +
|-
 +
| 0
 +
| 4
 +
| 1
 +
| Unknown (Version?)
 +
|-
 +
| 4
 +
| 4
 +
|
 +
| Unknown
 +
|-
 +
| 8
 +
| 4
 +
|
 +
| File size
 +
|-
 +
| 12
 +
| 4
 +
|
 +
| Unknown (Record count?)
 +
|-
 +
| 16
 +
| 4
 +
|
 +
| Unknown (Record count?)
 +
|-
 +
| 20
 +
| 4
 +
|
 +
| Unknown (Records offset or file header size)
 +
|-
 +
|}
 +
 
 +
== See Also ==
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* [[SuperFetch]]
 +
 
 +
== External Links ==
 +
* [http://blog.rewolf.pl/blog/?p=214 Windows SuperFetch file format – partial specification], by ReWolf, October 5, 2011
  
 
[[Category:File Formats]]
 
[[Category:File Formats]]

Revision as of 00:28, 15 April 2014

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Please help to improve this article by expanding it.
Further information might be found on the discussion page.

MEMO file

Some of the Ag*.db files are MEMO files.

The MEMO file consists of:

  • file header
  • compressed blocks

File header

The file header is 84 bytes of size and consists of:

Offset Size Value Description
0 4 0x304D454D ("MEM0") or 0x4F4D454D ("MEMO") Signature
4 4 Uncompressed (total) data size

Compressed blocks

The file header is followed by compressed blocks:

Offset Size Value Description
0 4 Compressed data size
4 ... Compressed data

Uncompressed data

TODO

TRX file

The Ag*.db.trx files are TRX files.

Note that the following format specification is incomplete.

File header

The file header is 84 bytes of size and consists of:

Offset Size Value Description
0 4 1 Unknown (Version?)
4 4 Unknown
8 4 File size
12 4 Unknown (Record count?)
16 4 Unknown (Record count?)
20 4 Unknown (Records offset or file header size)

See Also

External Links