#
# Written by Florian Diesch <devel@florian-diesch.de> 
#
# Updates may be available at
# <http://www.florian-diesch-.de/software/shell-scripts/> 
#
# This script is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
# You are free to do with it what ever you want.
#



BCDRC_FILE=~/.bcdrc

_bcd_check_cfg_file(){
  if [ -e "$BCDRC_FILE" ]; then
      true
  else
      printf "\nFile '$BCDRC_FILE' not found.\n"
      false
  fi
}

_bcd_help(){
    if _bcd_check_cfg_file; then
	_IFS="$IFS"
	IFS=":"
	while read k v; do 
	    [ -z "$k" ] || printf '% 10s --> %s\n' "$k" "$v"; 
	done < "$BCDRC_FILE"
	IFS="$_IFS"
    fi
}

## Go to a bookmark
bcd(){
 if [ $# -eq 0 ]; then
     _bcd_help
 elif  _bcd_check_cfg_file; then
   dir="$(grep "^$1:" "$BCDRC_FILE" | cut -d: -f2-)"
   if [ -z "$dir" ]; then 
     echo "No bookmark \"$1\""
   else
     cd "$dir"
   fi
 fi
}

## Add a bookmark
bcdadd(){
    name="${1:-}"
    dir="${2:-$PWD}"
    if [ $# -eq 0 ];  then
	printf "Bookmark name: "; read name
    fi
    echo "Adding bookmark '$name' for '$dir'"
    if [ ! -d "$(dirname  "$BCDRC_FILE")" ]; then
	mkdir -p "$(dirname  "$BCDRC_FILE")"
    fi
    echo "$name:$dir" >> "$BCDRC_FILE"

}

## Remove a bookmark
bcddel(){
    name="${1:-}"
    if [ $# -eq 0 ];  then
	printf "Bookmark name: "; read name
    fi
    if [ -e "$BCDRC_FILE" ]; then
	sed -i -e "/^$name:/ d" "$BCDRC_FILE"
	echo "Removed bookmark '$name'"
    else
	echo "File '$BCDRC_FILE' not found. Bookmark not removed"
    fi
}


###
### zsh completion
###

_bcd_list(){
    _IFS="$IFS"
    IFS=$(printf '\n')
    reply=($(for p in $*; do
	    _bcd_help|grep "^ *$p "
	    done))
    IFS="$_IFS" 
}

_bcd() {
    if _bcd_check_cfg_file; then
	reply=($(cut -d: -f1 "$BCDRC_FILE"|tr '\n' ' '|sort))
    fi
}
compctl -K _bcd -y _bcd_list -X 'Completing bcd bookmarks' bcd
compctl -K _bcd -y _bcd_list -X 'Completing bcd bookmarks' bcddel



# Local Variables:
# mode: sh
# End: