Editing SILKPADD
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==Structure== | ==Structure== | ||
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! Offset !! Length !! Example !! Name !! Notes | ! Offset !! Length !! Example !! Name !! Notes | ||
|- | |- | ||
| 0x00 || 0x04 || | | 0x00 || 0x04 || 53 49 4C 4B || '''silk_signature''' || rowspan="2" | By now this 2 are represented in wiki separated just incase the format allows for other variants, like SILKFLAT, SILKCRAP, or any other names, but maybe the 8 bytes are processed together | ||
|- | |- | ||
| 0x04 || 0x04 || | | 0x04 || 0x04 || 50 41 44 44 || '''padd_signature''' | ||
|- | |- | ||
| 0x08 || 0x02 || 00 00 || | | 0x08 || 0x02 || 00 00 || ''unknown'' || Always zeroes ? | ||
|- | |- | ||
| 0x0A || 0x02 || 0C 00 || ''' | | 0x0A || 0x02 || 0C 00 || '''entry_amount''' || Number of entries in the file (in little endian) | ||
|- | |- | ||
| 0x0C || 0x04 || 00 00 00 00 || | | 0x0C || 0x04 || 00 00 00 00 || ''padding'' ? || Always zeroes ? | ||
|} | |} | ||
===Index table=== | ===Index table=== | ||
The index table starts at offset 0x10, every entry in the index table is 0xC bytes | The index table starts at offset 0x10, every entry in the index table is 0xC bytes lenght and is composed by 3 values. All values in the index table are in little endian. There is no gap or padding at the end of the index table | ||
Example of the first entry in the index table of CEHtmlApi.bin | Example of the first entry in the index table of CEHtmlApi.bin | ||
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! Offset !! Length !! Example !! Name !! Notes | ! Offset !! Length !! Example !! Name !! Notes | ||
|- | |- | ||
| 0x00 || 0x04 || B9 0B 00 00 || ''' | | 0x00 || 0x04 || B9 0B 00 00 || '''entry_id''' || An unique ID for the entry, used by the web browser to identify and to access the data (in little endian) | ||
|- | |- | ||
| 0x04 || 0x04 || A0 00 00 00 || '''data_offset''' || Absolute offset of the data ( | | 0x04 || 0x04 || A0 00 00 00 || '''data_offset''' || Absolute offset of the data (in little endian) | ||
|- | |- | ||
| 0x08 || 0x04 || 9B 00 00 00 || ''' | | 0x08 || 0x04 || 9B 00 00 00 || '''data_lenght''' || Size of the data (in little endian) | ||
|} | |} | ||
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====Data types==== | ====Data types==== | ||
All data entries starts with 4 bytes + a text string. The first 4 bytes indicates the length of the text string located inmediatly after. So the first bytes that needs to be readed are the 4 bytes + the | All data entries starts with 4 bytes + a text string. The first 4 bytes indicates the length of the text string located inmediatly after. So the first bytes that needs to be readed are the 4 bytes + the lenght indicated by that 4 bytes | ||
=====Text string===== | =====Text string===== | ||
This is the most basic example, the entry can be identifyed as a "text string" because is null terminated (note how the ''' | This is the most basic example, the entry can be identifyed as a "text string" because is null terminated (note how the '''text_string_lenght'''=5 of the example below includes the null byte 0x00 at the end) | ||
Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F | Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F | ||
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! Offset !! Length !! Example !! Name !! Notes | ! Offset !! Length !! Example !! Name !! Notes | ||
|- | |- | ||
| 0x00 || 0x04 || 00 00 00 05 || ''' | | 0x00 || 0x04 || 00 00 00 05 || '''text_string_lenght''' || Lenght of the text string + 1 null byte at the end (in big endian) | ||
|- | |- | ||
| 0x04 || ''varies'' || | | 0x04 || ''varies'' || 54 65 73 74 || '''text_string''' || A normal text string (starting with random characters that doesnt matches the search patterns for the other data type checks) | ||
|- | |- | ||
| ''varies'' || 0x01 || 00 || '''null''' || This is the null termination of the previous string | | ''varies'' || 0x01 || 00 || '''null''' || This is the null termination of the previous string | ||
|} | |} | ||
=====HTML (stored as a single text string | =====HTML (stored as a single text string===== | ||
The fileformat allows to store HTML files as standard text string data, and are also null terminated (so it falls under the same characteristics as a standard text string). Because this reason, the only way to identify this data type in PC is by reading the first bytes of the string (if it starts with '''<nowiki><!DOCTYPE HTML</nowiki>''' is a HTML) | The fileformat allows to store HTML files as standard text string data, and are also null terminated (so it falls under the same characteristics as a standard text string). Because this reason, the only way to identify this data type in PC is by reading the first bytes of the string (if it starts with '''<nowiki><!DOCTYPE HTML</nowiki>''' is a HTML) | ||
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<nowiki>00000070 3A 6C 69 6E 6B 09 09 09 7B 66 6F 6E 74 3A 38 70 :link...{font:8p</nowiki> | <nowiki>00000070 3A 6C 69 6E 6B 09 09 09 7B 66 6F 6E 74 3A 38 70 :link...{font:8p</nowiki> | ||
<nowiki>00000080 74 2F 31 31 70 74 20 76 65 72 64 61 6E 61 3B 20 t/11pt verdana; </nowiki> | <nowiki>00000080 74 2F 31 31 70 74 20 76 65 72 64 61 6E 61 3B 20 t/11pt verdana; </nowiki> | ||
<nowiki>00000090 63 6F 6C 6F 72 3A 72 65 64 7D 0A 09 09 09 09 09 color:red | <nowiki>00000090 63 6F 6C 6F 72 3A 72 65 64 7D 0A 09 09 09 09 09 color:red}......</nowiki> | ||
<nowiki>000000A0 09 61 3A 76 69 73 69 74 65 64 09 09 7B 66 6F 6E .a:visited..{fon</nowiki> | <nowiki>000000A0 09 61 3A 76 69 73 69 74 65 64 09 09 7B 66 6F 6E .a:visited..{fon</nowiki> | ||
<nowiki>000000B0 74 3A 38 70 74 2F 31 31 70 74 20 76 65 72 64 61 t:8pt/11pt verda</nowiki> | <nowiki>000000B0 74 3A 38 70 74 2F 31 31 70 74 20 76 65 72 64 61 t:8pt/11pt verda</nowiki> | ||
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! Offset !! Length !! Example !! Name !! Notes | ! Offset !! Length !! Example !! Name !! Notes | ||
|- | |- | ||
| 0x00 || 0x04 || 00 00 03 A9 || ''' | | 0x00 || 0x04 || 00 00 03 A9 || '''text_string_lenght''' || Size of the HTML file + 1 null byte at the end (in big endian) | ||
|- | |- | ||
| 0x04 || ''varies'' || <nowiki><!DOCTYPE HTML</nowiki>, etc... || '''text_string''' || HTML file | | 0x04 || ''varies'' || <nowiki><!DOCTYPE HTML</nowiki>, etc... || '''text_string''' || HTML file | ||
|- | |- | ||
| ''varies'' || 0x01 || 00 || '''null''' || This is the null termination at the end of the HTML file (needed to be | | ''varies'' || 0x01 || 00 || '''null''' || This is the null termination at the end of the HTML file (needed to be removes to extract the data as a HTML file) | ||
|} | |} | ||
{{File Formats}} | {{File Formats}} | ||
<noinclude>[[Category:Main]]</noinclude> | <noinclude>[[Category:Main]]</noinclude> | ||