25 lines
1.1 KiB
Markdown
25 lines
1.1 KiB
Markdown
[[!template id=gitbranch branch=chrismgray/exclusive-hooks author="[[chrismgray]]"]]
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Sometimes plugins register a function with `hook`, but they only want
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the function called with the content that they know how to deal with.
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Normally, this means that they call `pagetype` first thing in the
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function, determine if they know how to deal with the content, and
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only do anything if they do.
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This is a bit wasteful in itself, but for external plugins, it's
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really bad. For functions like `scan` and `linkify`, where the entire
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page is sent back and forth over `stdout` and `stdin`, it really slows
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things down.
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Thus, I propose that there be a new optional parameter to `hook` that
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tells it that the function should only be called for files whose type
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is the same as the id of the plugin calling `hook`. I have called
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this parameter `exclusive` in my branch, but this might not be the
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best name.
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[[!tag patch]]
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> It's an interesting idea, but it might be more useful if it was more generalized, say, by making it a filter, where the parameter is a regexp.
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>
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> --[[KathrynAndersen]]
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