> Where can I find the default regexp expressions? I also want to use
> the one to match "{{className{item to apply class name to}}}".
You can use
http://www.TiddlyTools.com/#SystemInfoPlugin
to examine the current runtime values for all the TW 'formatters'.
Just select a specific formatter from the 'formatters' droplist and
you can see it's definitions.
Alternatively, you could directly view the TW source using an external
text editor, and search for this line in the code:
config.formatters = [
which will let you examine the statically-defined data that is used to
initial the default runtime formatters array used by wikify() to parse
wiki syntax.
By convention, each formatter has a few standardized properties and
methods:
name
- a unique ID that can be used to lookup the formatter
match
- a text pattern used to find the *start* of a given wiki syntax
sequence
lookaheadRegExp
- a regexp pattern to parse the entire syntax and extract values
for processing
handler(w)
- the function that does the processing when the associated
'match' pattern is found
- 'w' is a 'context object' that holds the current state of the
wikify() parsing process,
and includes a copy of the tiddler 'source' text being parsed,
the current 'matchStart' and 'nextMatch' index positions within that
source, and a target 'output' DOM element in which to render the
results.
In addition to these properties/methods, some formatters define extra
properties or 'helper' methods that vary depending upon the purpose
and design of that specific formatter.
Hopefully, this info should be enough to start your journey deep into
the core's wikify() parser. Of course, feel free to ask more
questions...
enjoy,
-e
Eric Shulman
TiddlyTools / ELS Design Studios
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