# With arguments, output those files to the recent directory file.
# With no arguments, read in the directories from the file into $reply.
#
# Handles recent-dirs-file and recent-dirs-max styles.

emulate -L zsh
setopt extendedglob

integer max
local file
local -a files
local default=${ZDOTDIR:-$HOME}/.chpwd-recent-dirs

if zstyle -a ':chpwd:' recent-dirs-file files; then
  files=(${files//(#s)+(#e)/$default})
fi
if (( ${#files} == 0 )); then
  files=($default)
fi

zstyle -s ':chpwd:' recent-dirs-max max || max=20

if (( $# )); then
  if (( max > 0 && ${#argv} > max )); then
    argv=(${argv[1,max]})
  fi
  # Quote on write.
  # Use $'...' quoting... this fixes newlines and other nastiness.
  print -rl ${(qqqq)argv} >${files[1]}
else
  typeset -g reply
  # Unquote on read.
  reply=()
  for file in $files; do
    [[ -r $file ]] || continue
    reply+=(${(Q)${(f)"$(<$file)"}})
    if (( max > 0 && ${#reply} >= max )); then
      reply=(${reply[1,max]})
      break
    fi
  done
fi