329b215494
This undocumented command is only used to share logic between the various man-link-* commands. Let's hide it to avoid confusion.
148 lines
5.2 KiB
Plaintext
148 lines
5.2 KiB
Plaintext
declare-option -docstring "name of the client in which documentation is to be displayed" \
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str docsclient
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declare-option -hidden str-list manpage
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hook -group man-highlight global WinSetOption filetype=man %{
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add-highlighter window/man-highlight group
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# Sections
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add-highlighter window/man-highlight/ regex ^\S.*?$ 0:title
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# Subsections
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add-highlighter window/man-highlight/ regex '^ {3}\S.*?$' 0:default+b
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# Command line options
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add-highlighter window/man-highlight/ regex '^ {7}-[^\s,]+(,\s+-[^\s,]+)*' 0:list
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# References to other manpages
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add-highlighter window/man-highlight/ regex [-a-zA-Z0-9_.]+\([a-z0-9]+\) 0:header
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map window normal <ret> ': man-jump<ret>'
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hook -once -always window WinSetOption filetype=.* %{
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remove-highlighter window/man-highlight
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unmap window normal <ret>
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}
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}
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hook global WinSetOption filetype=man %{
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hook -group man-hooks window WinResize .* %{ man-impl %opt{manpage} }
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window man-hooks }
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}
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define-command -hidden -params ..3 man-impl %{ evaluate-commands %sh{
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buffer_name="$1"
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if [ -z "${buffer_name}" ]; then
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exit
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fi
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shift
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manout=$(mktemp "${TMPDIR:-/tmp}"/kak-man.XXXXXX)
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manerr=$(mktemp "${TMPDIR:-/tmp}"/kak-man.XXXXXX)
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colout=$(mktemp "${TMPDIR:-/tmp}"/kak-man.XXXXXX)
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env MANWIDTH=${kak_window_range##* } man "$@" > "$manout" 2> "$manerr"
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retval=$?
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if command -v col >/dev/null; then
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col -b -x > ${colout} < ${manout}
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else
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sed 's/.//g' > ${colout} < ${manout}
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fi
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rm ${manout}
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if [ "${retval}" -eq 0 ]; then
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printf %s\\n "
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edit -scratch %{*$buffer_name ${*}*}
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execute-keys '%|cat<space>${colout}<ret>gk'
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nop %sh{ rm ${colout}; rm ${manerr} }
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set-option buffer filetype man
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set-option window manpage $buffer_name $*
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"
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else
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printf '
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fail %%{%s}
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nop %%sh{ rm "%s"; rm "%s" }
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' "$(cat "$manerr")" "${colout}" "${manerr}"
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fi
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} }
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define-command -params ..1 \
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-shell-script-candidates %{
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find /usr/share/man/ $(printf %s "${MANPATH}" | sed 's/:/ /') -name '*.[1-8]*' | sed 's,^.*/\(.*\)\.\([1-8][a-zA-Z]*\).*$,\1(\2),'
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} \
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-docstring %{
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man [<page>]: manpage viewer wrapper
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If no argument is passed to the command, the selection will be used as page
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The page can be a word, or a word directly followed by a section number between parenthesis, e.g. kak(1)
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} man %{ evaluate-commands %sh{
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subject=${1-$kak_selection}
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## The completion suggestions display the page number, strip them if present
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case "${subject}" in
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*\([1-8]*\))
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pagenum="${subject##*\(}"
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pagenum="${pagenum%\)}"
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subject="${subject%%\(*}"
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;;
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*)
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pagenum=""
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;;
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esac
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printf %s\\n "evaluate-commands -try-client %opt{docsclient} man-impl man $pagenum $subject"
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} }
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# The following section of code enables a user
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# to go to next or previous man page links and to follow man page links,
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# for example, apropos(1), that would normally appear in SEE ALSO sections.
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# The user would position the cursor on any character of the link
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# and then press <ret> to change to a buffer showing the man page.
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# Regex pattern defining a man page link.
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# Used for determining if a selection, which may just be a link, is a link.
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declare-option -hidden regex man_link1 \
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[\w_.:-]+\(\d[a-z]*\)
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# Same as above but with lookbehind and lookahead patterns.
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# Used for searching for a man page link.
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declare-option -hidden regex man_link2 \
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"(?:^|(?<=\W))%opt{man_link1}(?=\W)"
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# Define a useful command sequence for searching a given regex
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# and a given sequence of search keys.
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define-command -hidden man-search -params 2 %{
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set-register / %arg[1]
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try %{
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execute-keys %arg[2]
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} catch %{
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fail "Could not find man page link"
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}
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}
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define-command -docstring 'Go to next man page link' \
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man-link-next %{ man-search %opt[man_link2] n }
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define-command -docstring 'Go to previous man page link' \
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man-link-prev %{ man-search %opt[man_link2] <a-n> }
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# Expand backward and forward, and then try to search for a man page link
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define-command man-link-here %{ evaluate-commands -save-regs / %{
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man-search %opt[man_link2] '<a-?>\b\w<ret><a-;>?\)<ret>'
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}} -hidden
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# Search current selection for a man page link
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define-command man-link %{ evaluate-commands -save-regs / %{
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man-search %opt[man_link1] s<ret>
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}} -hidden
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define-command -docstring 'Try to jump to a man page' \
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man-jump %{
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try %{ man-link } catch %{ man-link-here } catch %{ fail 'Not a valid man page link' }
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try %{ man } catch %{ fail 'No man page link to follow' }
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}
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# Suggested keymaps for a user mode
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declare-user-mode man
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map global man 'g' -docstring 'Jump to a man page using selected man page link' ': man-jump<ret>'
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map global man 'j' -docstring 'Go to next man page link' ': man-link-next<ret>'
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map global man 'k' -docstring 'Go to previous man page link' ': man-link-prev<ret>'
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map global man 'm' -docstring 'Look up a man page' ':man<space>'
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