ivt2html, convert ivt files to html
A cunning utility that converts .ivt files back into standard html. .ivt files
are the file format of the Microsoft InfoViewer program. This format was the
native help format used with DevStudio for a while, also the MSDN subscriber
CD's shipped during at least 1998 contained their documentation in this format.
The reason I wrote it was to convert the MSDN documentation for the Office 97
File Formats into readable HTML for the wv project (http://www.wvWare.com). The
infoviewer program only ran under windows which was not acceptable.
copy ivt2html manually to a bin directory
ivtdump and mszpdump are dumping programs that might be of some use for
debugging and extending ivt2html
Notes Basically the ivt files are simple containers of multiple other files, some of
these other files are compressed with one of microsoft's standard compresion
techniques. Of the compressed files, one will be the compressed html content,
one might be an optional css file (cascading stylesheet) and one will be a
table of contents file. Other files are the uncompressed stoplist and the
differently (and ineffeciently) compressed findex file.
.ivi files can be dumped with the included ivtdump as well. There are a group
of files contained inside each .ivt and .ivi. The ones that are compressed with
the header mszp and nszp can be decompressed with mszpdump. The others are
either plain text the stoplist files, or trivial compression the ftindex.
stoplist files are words not to be searched for with a search engine, ftindex
are words which are to be searched for with a search engine, like meta tags. I
have some hacked code to decompress the ftindex words, but they are not
important to me so I discontinued work on that.
Suggestions It would be reasonably trivial to create .ivt files from a given html file.
This isn't done here because...
microsoft has phased out the infoviewer program and file format in favour
of more modern ones
I had no personal need to create .ivt files
Download and examine the source for more details and information
Licence GPL, http://www.gnu.org
infoviewer file format
microsoft compression format
DevStudio Help Format
microsoft Compressed Html
visual studio help file format
Caolan McNamara (2000) <email@example.com>