Hi Graeme, Have you seen Colorer-take5 on the following URL http://colorer.sourceforge.net/ ?
It's cited in the tutorial you pointed at http://www.catch22.net/tuts/neatpad/18 . João Marcelo 2010/5/25 Graeme Geldenhuys <[email protected]> > Hi, > > Does anybody know of a website or article I can read about how to > integrate regular expressions with an editor to end up with a editor > that can handle syntax highlighting. It doesn't need to be specific to > Object Pascal (that would be too easy and ideal). ;-) > > For example, mcedit (from Midnight Commander), gEdit (Gnome's default > editor) etc all use regex to handle there syntax highlighting. What I > would like to find out is how to use regex with an editor component. > Both are new to me, so yes, I'm down on both counts, but I am very > eager to learn. :-) > > As far as I can see, I need to find out about the following requirements: > > * What events must the editor component make available (eg: OnLineDraw) > * how to use regular expressions with such events > * what if syntax highlighting spans multiple lines (eg: a multi-line > comment in Object Pascal) > * syntax definition file layout. I guess I can look at gEdit's spec. > They use XML files to define > each syntax highlighter. If I can piggy-back on there definition > file, I'll instantly have a whole > bunch of syntax highlighters available. > > > And yes I was told before that using regex for syntax highlighting is > slow, but I think that's a matter of implementation. The editors I > have seen and used are more that fast enough even on large files. The > huge benefit of external (runtime) syntax highlighting via something > like regex is that it is very simple to extend by anybody that knows > regex. This means, no need for custom components to do syntax > highlighting like SynEdit, no recompiling of components or > applications etc. > > Anyway, this editor component will form part of a larger project I am > working on. I already have the basics of a editor component and need > to find out what else I need to implement for syntax highlighting to > be possible in that editor component. > > Any thoughts, suggestions, pointers - any information or links to > information would be very helpful. > > I found a very nice article that explains the design of an editor that > must support Unicode and Syntax Highlighting. So far the author has > implemented the basic editor, Unicode support, but hasn't reaching the > part I am interested in - syntax highlighting. :-( None the less, > this is an interesting tutorial to read. You can find it at the > following URL. > > http://www.catch22.net/tuts/neatpad/1 > > > -- > Regards, > - Graeme - > > > _______________________________________________ > fpGUI - a cross-platform Free Pascal GUI toolkit > http://opensoft.homeip.net/fpgui/ > > -- > _______________________________________________ > Lazarus mailing list > [email protected] > http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus >
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