lyx_mirror/development/HTML/HTML.notes
Richard Heck f9aed0c967 Update notes.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30050 a592a061-630c-0410-9148-cb99ea01b6c8
2009-06-11 21:08:37 +00:00

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The main output routines now more or less work.
Known issues:
- InsetLine normally appears in a standard environment, which puts <hr /> inside
<p>, in violation of the DTD. I guess we could close the paragraph and then do
the <hr />, but isn't there a better solution? There's actually a LyX bug here,
I think, since a line surely ought not appear in a normal paragraph?
- The code that manages the nesting of tags is pretty primitive. It needs a lot
of work.
These insets are basically done, though there are probably issues here and there,
and there are even some FIXMEs:
Bibitem, Branch, Collapsable, Footnote, Hyperlink, Label, Line, Note,
Newline, Newpage, Quotes, Space, SpecialChar
These insets do nothing for XHTML:
ERT, OptArg, Phantom
These insets work but still need work:
InsetBox: We need a Length::asHTML() method and the like, but it basically works.
though the CSS isn't there yet.
InsetCitation: This has two limitations as of 11 VI 2009. The first is that we
ignore the citation style and output square brackets, no matter what. The
second is that, with BibTeX, we simply use the BibTeX key as the citation
string, thus ignoring numerical, author-year, etc. It will not be too hard
to make numerical work. To do this, we need to collect information on the
used citations, alphabetize them, and then assign numerical labels via the
BibTeXInfo::label() method. A similar strategy will work for author-year and
the like, but calculating labels will be more complex---unless we just parse
the bbl file, which of course is the only fully general solution.
These insets do not work but should be completely straightforward:
Caption, Flex (uses collapsable)
May need to make use here of TocWidget::itemInset, which should then be moved
to TocBackend.
These do not yet work and need some attention:
InsetBibtex: We should be able to collect the keys of references in
validate() and then use our parsed information to output some sort of
bibliography. Formatting is another question, but here again we could
try parsing the bbl file.
InsetCitation: I think we'll want to do something here involving reference keys.
Maybe for the beginning, we should just do everything numerically, but even
that will need a bit of work. Validation is our friend, presumably.
InsetCommand: By default does nothing. That may be right?
InsetExternal: I don't understand these so am not sure what to do.
InsetFloat: This will need some work, again because I do not really understand
what these are meant to do. Presumably, we'll just use a div or something, but
it's not clear what subfloat means, etc.
InsetGraphics: This should be fairly straightforward, but I'll need to learn a bit
about export formats, etc, to get it completely right. We'll also want to make
some use of the params, eg, on width and height. I guess there is also some
issue about converting the graphics formats?
InsetInclude: I think we just want to include it, straightforwardly. Probably will
base this more on the latex() routine, then. Another possibility, maybe with a
flag of some sort, would be to do it as a separate file, to which we link.
InsetIndex and InsetPrintIndex: An "advanced" case. What really would be cool
would be to collect all of these and then write the index as a series of links
back to the occurrences. But not now.
InsetInfo: Probably skip it.
InsetListings: Probably just output it as <pre>.
InsetMarginal: Fine, but will need CSS.
InsetNomencl and InsetPrintNomencl: Also "advanced".
InsetRef: Presumably, this is an internal link. But what should the text be, and how
should we get it? Probably some validation thing again, where labels tell us where
they are. Alternatively, we could parse the aux file.
InsetTabular: This shouldn't be too hard, but will need doing.
InsetTOC: Here again, validation might do the trick, but I'm not sure. Or perhaps some
kind of post-processing? Another option, maybe the best option, would be just to use
the information we already have in the TOC.
InsetVSpace: This will be easy, once we have the Length::asHTML() method.
InsetWrap: This should be simple enough, probably a div and some CSS, but I'm not sure
precisely what this is supposed to do.
MATH
Regarding math, the view seems to be that we should in the first instance just use what
we get from instant preview and copy those over to the output directory, and then try
to make MathML work.