Subject: Re: DOC: File Import/Export
From: Dom Lachowicz (cinamod@hotmail.com)
Date: Fri Jan 19 2001 - 16:19:10 CST
The doc loads on my machine as of last night. It also loads on my Win32 box.
This is true on both boxes for both the 0.7.12 builds and the most recent
CVS HEAD builds (which, thanks to Mike Nordell, I can build Abi on Win32
now).
Dom
>From: Martin Sevior <msevior@mccubbin.ph.unimelb.edu.au>
>To: Frodo Looijaard <frodol@dds.nl>
>CC: Dom Lachowicz <cinamod@hotmail.com>, Abiword Mailinglist
><abiword-dev@abisource.com>
>Subject: Re: DOC: File Import/Export
>Date: Sat, 20 Jan 2001 09:15:25 +1100 (EST)
>
>
>
>On Fri, 19 Jan 2001, Frodo Looijaard wrote:
>
> >
> > Current CVS nor the 20010111 CVS can read it :-(. A debug build for
> > current CVS renders:
> >
> > DEBUG: Setting field type desc for type 1, desc=Date and Time
> > DEBUG: Setting field type desc for type 2, desc=Numbers
> > DEBUG: Setting field type desc for type 3, desc=Piece Table
> > DEBUG: Setting field desc for field time, desc=Current time
> > DEBUG: Setting field desc for field page_number, desc=Page number
> > DEBUG: Setting field desc for field page_count, desc=Number of pages
> > DEBUG: Setting field desc for field list_label, desc=List Label
> > DEBUG: Setting field desc for field test, desc=Kevins Test
> > DEBUG: Setting field desc for field martin_test, desc=Martins Test
> > DEBUG: AP_UnixFrame::initializeDEBUG: EV_UnixMenu::synthesizeMenu
> > DEBUG: AP_UnixFrame::toggleBar 0, 1
> > DEBUG: AP_UnixFrame::toggleBar 1, 1
> > DEBUG: AP_UnixFrame::toggleBar 2, 1
> > DEBUG: Unknown tag [comment]
> > DEBUG: Unknown end tag [comment]
> > [Repeat last two messages many times]
> > DEBUG: Unknown tag [comment]
> > DEBUG: Unknown end tag [comment]
> > DEBUG: setDontChangeInsPoint: No strux in document!!
>
>Weird! My most recent build is 4 days old and I don't this.
><snip>
>
> >
> > 6. Using a listener
> >
> > A listener is attached to (parts of) a document and is signaled
> > whenever (that part of) the document changes. In case of the
> > exporter, we keep it very simple. Before we begin, we derive
> > a new object type from PL_Listener. We will have to override
> > the following methods:
> >
> > UT_Bool populate(PL_StruxFmtHandle sfh, const PX_ChangeRecord * pcr);
> > UT_Bool populateStrux(PL_StruxDocHandle sdh, const PX_ChangeRecord *
>pcr, PL_StruxFmtHandle * psfh);
> > UT_Bool change(PL_StruxFmtHandle sfh, const PX_ChangeRecord * pcr);
> > UT_Bool insertStrux(PL_StruxFmtHandle sfh, const PX_ChangeRecord *
>pcr, PL_StruxDocHandle sdh, PL_ListenerId lid, void (* pfnBindHandles)
>(PL_StruxDocHandle sdhNew, PL_ListenerId lid, PL_StruxFmtHandle sfhNew));
> > UT_Bool signal(UT_uint32 iSignal);
> >
> > Method populate is called whenever a span, object or format mark is
> > encountered. A span is some text with attributes; [WHAT ARE OBJECTS
> > AND FORMAT MARKS EXACTLY?].
>
>This is the model-view relationship of abi. The Piecetable is the model.
>Views are either the *layout methods in src/text/fmt/xp/*, printing or the
>exporters.
>
>The exporters work just like the layout methods in abi. As the piecetable
>is passed the various internal structures are recognized and their
>meanings are interpreted by the the particular view attached to the model.
>Once a listener is attached to a document the methods you list are invoked
>upon encourntering the various PieceTable structures.
>
>Specifically, OBJECTS are either images or fields.
>
>A FORMAT MARK is a change in format. So if you decide to bold a particular
>part of a word like evolUTIOn, there would be a span leading up to "evol"
>a <format mark specifying the font is bold>, span "UTIO" <format mark
>specifying normal intensity> "n"
>
><snip>
>
>Cheers
>
>Martin
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