home/rc/core/doc.kak
2017-11-06 20:52:24 +08:00

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declare-option -docstring "name of the client in which documentation is to be displayed" \
str docsclient
declare-option -hidden range-specs doc_ranges
declare-option -hidden range-specs doc_links
define-command -hidden -params 4 doc-render-regex %{
evaluate-commands -draft %{ try %{
execute-keys \%s %arg{1} <ret>
execute-keys -draft s %arg{2} <ret> d
execute-keys "%arg{3}"
%sh{
ranges=$(echo "$kak_selections_desc" | sed -e "s/:/|$4:/g; s/\$/|$4/")
echo "update-option buffer doc_ranges"
echo "set-option -add buffer doc_ranges '$ranges'"
}
} }
}
define-command -hidden doc-parse-links %{
evaluate-commands -draft %{ try %{
execute-keys \%s <lt><lt>(.*?)#,.*?<gt><gt> <ret>
execute-keys -draft s <lt><lt>.*,|<gt><gt> <ret> d
execute-keys H
set-option buffer doc_links %val{timestamp}
evaluate-commands -itersel %{
set-option -add buffer doc_links "%val{selection_desc}|%reg{1}"
}
} }
}
define-command doc-jump %{
update-option buffer doc_links
%sh{
printf "%s" "$kak_opt_doc_links" | awk -v RS=':' -v FS='[.,|]' '
BEGIN {
l=ENVIRON["kak_cursor_line"];
c=ENVIRON["kak_cursor_column"];
}
l >= $1 && c >= $2 && l <= $3 && c <= $4 {
print "doc " $5
exit
}
'
}
}
define-command -params 1 -hidden doc-render %{
edit! -scratch *doc*
execute-keys "!cat %arg{1}<ret>gg"
# Join paragraphs together
try %{ execute-keys -draft \%S \n{2,}|(?<=\+)\n|^[^\n]+::\n <ret> <a-K>^-{2,}(\n|\z)<ret> S\n\z<ret> <a-k>\n<ret> <a-j> }
# Remove some line end markers
try %{ execute-keys -draft \%s \h*(\+|:{2,})$ <ret> d }
# Setup the doc_ranges option
set-option buffer doc_ranges %val{timestamp}
doc-render-regex \B(?<!\\)\*[^\n]+?(?<!\\)\*\B \A|.\z 'H' default+b
doc-render-regex \b(?<!\\)_[^\n]+?(?<!\\)_\b \A|.\z 'H' default+i
doc-render-regex \B(?<!\\)`[^\n]+?(?<!\\)`\B \A|.\z 'H' mono
doc-render-regex ^=\h+[^\n]+ ^=\h+ '~' title
doc-render-regex ^={2,}\h+[^\n]+ ^={2,}\h+ '' header
doc-render-regex ^-{2,}\n.*?^-{2,}\n ^-{2,}\n '' block
doc-parse-links
# Remove escaping of * and `
try %{ execute-keys -draft \%s \\((?=\*)|(?=`)) <ret> d }
set-option buffer readonly true
add-highlighter buffer ranges doc_ranges
add-highlighter buffer wrap -word -indent
map buffer normal <ret> :doc-jump<ret>
}
define-command -params 1 \
-shell-candidates %{
find "${kak_runtime}/doc/" -type f -name "*.asciidoc" | sed 's,.*/,,; s/\.[^/]*$//'
} \
doc -docstring %{doc <topic> [<keyword>]: open a buffer containing documentation about a given topic
An optional keyword argument can be passed to the function, which will be automatically selected in the documentation} %{
%sh{
readonly page="${kak_runtime}/doc/${1}.asciidoc"
shift
if [ -f "${page}" ]; then
printf %s\\n "evaluate-commands -try-client %opt{docsclient} doc-render ${page}"
else
printf %s\\n "echo -markup '{Error}No such doc file: ${page}'"
fi
}
}
alias global help doc