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#!/usr/bin/env fish
function __jvn_fish_complete
set -l cmdline (commandline -opc)
set -l buffer (commandline -b)
set -l cursor (commandline -C)
set -l current_token (commandline -ct)
# Calculate current word and word index
set -l current_word ""
set -l previous_word ""
set -l word_index 0
set -l char_count 0
set -l found false
if test -n "$current_token"
for i in (seq (count $cmdline))
if test "$cmdline[$i]" = "$current_token"
set word_index $i
set current_word $current_token
if test $i -gt 1
set previous_word $cmdline[(math $i - 1)]
end
set found true
break
end
end
end
if not $found
for i in (seq (count $cmdline))
set word $cmdline[$i]
if test $i -gt 1
set char_count (math $char_count + 1)
end
set char_count (math $char_count + (string length -- "$word"))
if test $cursor -le $char_count
set word_index $i
set current_word $word
if test $i -gt 1
set previous_word $cmdline[(math $i - 1)]
end
break
end
end
end
# Handle cursor after last word
if test $word_index -eq 0 -a (count $cmdline) -gt 0
set word_index (count $cmdline)
if test -n "$current_token" -a "$current_token" != "$cmdline[-1]"
set current_word $current_token
else
set current_word ""
end
set previous_word $cmdline[-1]
end
# Ensure word_index is within bounds
if test $word_index -gt (count $cmdline)
set word_index (count $cmdline)
end
# Replace hyphens with carets for jvn_comp
set -l buffer_replaced (string replace -a "-" "^" -- "$buffer")
set -l current_word_replaced (string replace -a "-" "^" -- "$current_word")
set -l previous_word_replaced (string replace -a "-" "^" -- "$previous_word")
# Build args array
set -l args
set -a args -f "$buffer_replaced" -C "$cursor" -w "$current_word_replaced" -p "$previous_word_replaced"
if test (count $cmdline) -gt 0
set -a args -c "$cmdline[1]"
else
set -a args -c ""
end
set -a args -i "$word_index"
# Replace hyphens in all words
if test (count $cmdline) -gt 0
set -l all_words_replaced
for word in $cmdline
set -a all_words_replaced (string replace -a "-" "^" -- "$word")
end
if test -n "$current_token" -a "$current_word" = "$current_token"
set -l found_in_cmdline false
for word in $cmdline
if test "$word" = "$current_token"
set found_in_cmdline true
break
end
end
if not $found_in_cmdline -a $word_index -eq (math (count $cmdline) + 1)
set -a all_words_replaced (string replace -a "-" "^" -- "$current_token")
end
end
set -a args -a $all_words_replaced
else
set -a args -a ""
end
# Add shell type argument
set -a args -F "fish"
# Call jvn_comp and handle output
set -l output
if not jvn_comp $args 2>/dev/null | read -z output
return
end
set -l trimmed_output (string trim -- "$output")
if test "$trimmed_output" = "_file_"
__fish_complete_path "$current_word"
return 0
else if test -n "$trimmed_output"
string split -n \n -- "$output" | while read -l line
test -n "$line" && echo "$line"
end
return 0
end
return 1
end
complete -c jvn -a '(__jvn_fish_complete)' -f
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