Tyler Smith <ty...@plantarum.ca> writes:
> I'm trying to define a style hook for a personal macro that takes a file
> name, without the extension, as an argument. From the manual, I think
> this should be possible via the `TeX-arg-file` argument hook:
>
> 'TeX-arg-file'
> Prompt for a filename in the current directory, and use it without
> the extension.
>
> My style file looks like this:
>
> (TeX-add-style-hook
> "cba"
> (lambda ()
> (TeX-add-symbols
> '("ColumnFigure" ["caption"] TeX-arg-file)
> '("ColumnPhoto" ["caption"] TeX-arg-file-name)
> '("FullPhoto" ["caption"] TeX-arg-file-name-sans-extension)
> '("featureAuthor" 1))))
>
> The result is that \ColumnFigure prompts me for the caption, and
> completes a file name, but the inserted file includes the extension. You
> see I also tried 'TeX-arg-file-name', and
> 'TeX-arg-file-name-sans-extension', but those don't provide filename
> completion, just a prompt. `TeX-arg-input-file` provides completion, but
> only for items in TeX's search path, not the current directory.
>
> Looking at the code for TeX-arg-file, neither the code or the doc string
> indicate that the extension will be trimmed.
>
> 1) Is this a bug in the documentation?
I think it is a bug in the documentation. Can you please file a bug
report for this?
> 2) Is there a way to prompt the user for an extension-less filename via
> style hooks?
You can roll your own function in the style. Adapt this one to your
needs.
--8<---------------cut here---------------start------------->8---
(defun TeX-arg-cba-file-sans-extension (optional)
"Prompt for a filename in the current directory.
If OPTIONAL is non-nil, insert the resulting value as an optional
argument, otherwise as a mandatory one. The filename is included
sans extension and relative to directory of master file."
(TeX-argument-insert
(file-name-sans-extension
(file-relative-name
(read-file-name
(TeX-argument-prompt optional nil "File"))
(TeX-master-directory)))
optional))
(TeX-add-style-hook
"cba"
(lambda ()
(TeX-add-symbols
'("ColumnFigure" ["caption"] TeX-arg-file)
'("ColumnPhoto" ["caption"] TeX-arg-file-name)
'("FullPhoto" ["caption"] TeX-arg-file-name-sans-extension)
'("AllPhoto" TeX-arg-cba-file-sans-extension)
'("featureAuthor" 1))))
--8<---------------cut here---------------end--------------->8---
Best, Arash
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