kakoune/rc/tools/spell.kak

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declare-option -hidden range-specs spell_regions
declare-option -hidden str spell_last_lang
declare-option -hidden str spell_tmp_file
declare-option -docstring "default language to use when none is passed to the spell-check command" str spell_lang
define-command -params ..1 -docstring %{
spell [<language>]: spell check the current buffer
The first optional argument is the language against which the check will be performed (overrides `spell_lang`)
Formats of language supported:
- ISO language code, e.g. 'en'
- language code above followed by a dash or underscore with an ISO country code, e.g. 'en-US'
} spell %{
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try %{ add-highlighter window/ ranges 'spell_regions' }
evaluate-commands %sh{
file=$(mktemp -d "${TMPDIR:-/tmp}"/kak-spell.XXXXXXXX)/buffer
printf 'eval -no-hooks write -sync %s\n' "${file}"
printf 'set-option buffer spell_tmp_file %s\n' "${file}"
}
evaluate-commands %sh{
use_lang() {
if ! printf %s "$1" | grep -qE '^[a-z]{2,3}([_-][A-Z]{2})?$'; then
echo "fail 'Invalid language code (examples of expected format: en, en_US, en-US)'"
rm -rf "$(dirname "$kak_opt_spell_tmp_file")"
exit 1
else
options="-l '$1'"
printf 'set-option buffer spell_last_lang %s\n' "$1"
fi
}
if [ $# -ge 1 ]; then
use_lang "$1"
elif [ -n "${kak_opt_spell_lang}" ]; then
use_lang "${kak_opt_spell_lang}"
fi
{
sed 's/^/^/' "$kak_opt_spell_tmp_file" | eval "aspell --byte-offsets -a $options" 2>&1 | awk '
BEGIN {
line_num = 1
regions = ENVIRON["kak_timestamp"]
server_command = sprintf("kak -p \"%s\"", ENVIRON["kak_session"])
}
{
if (/^@\(#\)/) {
# drop the identification message
}
else if (/^\*/) {
# nothing
}
else if (/^$/) {
line_num++
}
else if (/^[#&]/) {
word_len = length($2)
word_pos = substr($0, 1, 1) == "&" ? substr($4, 1, length($4) - 1) : $3;
regions = regions " " line_num "." word_pos "+" word_len "|Error"
}
else {
line = $0
gsub(/"/, "&&", line)
command = "fail \"" line "\""
exit
}
}
END {
if (!length(command))
command = "set-option \"buffer=" ENVIRON["kak_bufname"] "\" spell_regions " regions
print command | server_command
close(server_command)
}
'
rm -rf $(dirname "$kak_opt_spell_tmp_file")
} </dev/null >/dev/null 2>&1 &
}
}
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define-command spell-clear %{
unset-option buffer spell_regions
}
define-command spell-next %{ evaluate-commands %sh{
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anchor_line="${kak_selection_desc%%.*}"
anchor_col="${kak_selection_desc%%,*}"
anchor_col="${anchor_col##*.}"
start_first="${kak_opt_spell_regions#* }"
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start_first="${start_first%%|*}"
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start_first="${start_first#\'}"
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find_next_word_desc() {
## XXX: the `spell` command adds sorted selection descriptions to the range
printf %s\\n "${1}" \
| sed -e "s/'//g" -e 's/^[0-9]* //' -e 's/|[^ ]*//g' \
| tr ' ' '\n' \
| while IFS=, read -r start end; do
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start_line="${start%.*}"
start_col="${start#*.}"
end_line="${end%.*}"
end_col="${end#*.}"
if [ "${start_line}" -lt "${anchor_line}" ]; then
continue
elif [ "${start_line}" -eq "${anchor_line}" ] \
&& [ "${start_col}" -le "${anchor_col}" ]; then
continue
fi
printf 'select %s,%s\n' "${start}" "${end}"
break
done
}
# no selection descriptions are in `spell_regions`
if ! expr "${start_first}" : '[0-9][0-9]*\.[0-9][0-9]*,[0-9][0-9]*\.[0-9]' >/dev/null; then
exit
fi
next_word_desc=$(find_next_word_desc "${kak_opt_spell_regions}")
if [ -n "${next_word_desc}" ]; then
printf %s\\n "${next_word_desc}"
else
printf 'select %s\n' "${start_first}"
fi
} }
define-command \
-docstring "Suggest replacement words for the current selection, against the last language used by the spell-check command" \
spell-replace %{ evaluate-commands %sh{
if [ -n "$kak_opt_spell_last_lang" ]; then
options="-l '$kak_opt_spell_last_lang'"
fi
suggestions=$(printf %s "$kak_selection" | eval "aspell -a $options" | grep '^&' | cut -d: -f2)
menu=$(printf %s "${suggestions#?}" | awk -F', ' '
{
for (i=1; i<=NF; i++)
printf "%s", "%{"$i"}" "%{execute-keys -itersel %{c"$i"<esc>be}}"
}
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')
printf 'try %%{ menu -auto-single %s }' "${menu}"
} }