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API for zsh5.3 concerning ISEARCHMATCH_ACTIVE
- X-seq: zsh-users 21548
- From: m0viefreak <m0viefreak.cm@xxxxxxxxxxxxxx>
- To: zsh-users@xxxxxxx
- Subject: API for zsh5.3 concerning ISEARCHMATCH_ACTIVE
- Date: Tue, 10 May 2016 23:08:28 +0200
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ZSH currently knows 5 specific highlighters in the zle_highlight array:
region, suffix, isearch, paste, special
While 'special' is a bit 'special', the first four are all very
straight-forward and directly related to positions in the current BUFFER.
To be able to work with the positions of these highlighters inside user
defined widgets such as zsh-syntax-highlighting, they need to be exposed
in some way.
In zsh5.2 only two of them are:
I submitted a patch to support the other two, as well:
So in the current development version there is also:
However there are some points up for discussion:
1) isearch is a bit different from the others and one might also be
interested in the actual matched part of the BUFFER. So instead of only
exposing _ACTIVE _START and _END, it would be possible to actually
expose the MATCH itself instead:
The "active" check would then essentially be a nonzero-check.
2) There are already some related paremters exposed that don't use the I
at the beginning of the name:
Should we possible leave out the I as well?:
Note however that LASTSEARCH and LASTABORTEDSEARCH are fundamentally
different, since they describe a zle state of the past, while ISEARCH_*
aim to describe the present.
I for one like the way that all four of those special highighting
regions have a similar (integer-based) API. It is easy to reconstruct
the actual MATCH from BUFFER, _START, and _END, and we don't need to
make changes to the C code.
Are there any preferences as to what the API for zsh5.3 should be like?
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