kakoune/rc/core/grep.kak
Frank LENORMAND f6a2925950 Fix, complete and add docstring documentation to builtin commands
Level out the builtin commands loaded at startup in terms of format and
expressiveness. The following convention was followed:
* commands that take more than one argument have to be described along
  with their parameters prior to the actual documentation, otherwise the
  docstring consists in a capitalized sentence
  e.g. `command <arg1>: do something`
* optional arguments are enclosed in square brackets, to comply with the
  format used for hardcoded commands
  e.g. `cd [<directory>]`
* describe the effects of the command in the documentation string and
  omit implementation details unless they are relevant. Usually command
  names include the name of the tool they use, so they don't need to be
  redundantly mentioned
  e.g. `tmux-new-pane <arguments>: open a new pane`
* document the format the parameters to the commands, or list them if
  they are to be chosen among a list of static values (c.f. `spell.kak`)
2016-10-11 10:26:17 +03:00

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decl str grepcmd 'grep -RHn'
decl str toolsclient
decl -hidden int _grep_current_line 0
def -params .. -file-completion \
-docstring %{grep [<arguments>]: grep utility wrapper
All the optional arguments are forwarded to the grep utility} \
grep %{ %sh{
output=$(mktemp -d -t kak-grep.XXXXXXXX)/fifo
mkfifo ${output}
if [ $# -gt 0 ]; then
( ${kak_opt_grepcmd} "$@" | tr -d '\r' > ${output} 2>&1 ) > /dev/null 2>&1 < /dev/null &
else
( ${kak_opt_grepcmd} "${kak_selection}" | tr -d '\r' > ${output} 2>&1 ) > /dev/null 2>&1 < /dev/null &
fi
printf %s\\n "eval -try-client '$kak_opt_toolsclient' %{
edit! -fifo ${output} -scroll *grep*
set buffer filetype grep
set buffer _grep_current_line 0
hook -group fifo buffer BufCloseFifo .* %{
nop %sh{ rm -r $(dirname ${output}) }
rmhooks buffer fifo
}
}"
}}
hook -group grep-highlight global WinSetOption filetype=grep %{
addhl group grep
addhl -group grep regex "^((?:\w:)?[^:]+):(\d+):(\d+)?" 1:cyan 2:green 3:green
addhl -group grep line %{%opt{_grep_current_line}} default+b
}
hook global WinSetOption filetype=grep %{
hook buffer -group grep-hooks NormalKey <ret> grep-jump
}
hook -group grep-highlight global WinSetOption filetype=(?!grep).* %{ rmhl grep }
hook global WinSetOption filetype=(?!grep).* %{
rmhooks buffer grep-hooks
}
decl str jumpclient
def -hidden grep-jump %{
eval -collapse-jumps %{
try %{
exec 'xs^((?:\w:)?[^:]+):(\d+):(\d+)?<ret>'
set buffer _grep_current_line %val{cursor_line}
eval -try-client %opt{jumpclient} edit -existing %reg{1} %reg{2} %reg{3}
try %{ focus %opt{jumpclient} }
}
}
}
def grep-next -docstring 'Jump to the next grep match' %{
eval -collapse-jumps -try-client %opt{jumpclient} %{
buffer '*grep*'
exec "%opt{_grep_current_line}g<a-l>/^[^:]+:\d+:<ret>"
grep-jump
}
try %{ eval -client %opt{toolsclient} %{ exec %opt{_grep_current_line}g } }
}
def grep-prev -docstring 'Jump to the previous grep match' %{
eval -collapse-jumps -try-client %opt{jumpclient} %{
buffer '*grep*'
exec "%opt{_grep_current_line}g<a-/>^[^:]+:\d+:<ret>"
grep-jump
}
try %{ eval -client %opt{toolsclient} %{ exec %opt{_grep_current_line}g } }
}