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#! env zsh |
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############################################# |
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# nav.sh -> Helps navigating projects through |
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# shortcuts |
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# Author: Ajeet Singh |
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############################################# |
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MAP_FILE=~/.nav.map |
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function _nav_options(){ |
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local -a index_map |
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while IFS=$ read line; do |
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f_line=${line//=/:/} |
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index_map+=$f_line |
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done < $MAP_FILE |
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_describe -t index_map 'nav command' index_map |
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} |
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function nav_add(){ |
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check=${+_path_map[$1]} |
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if [ $check -eq 1 ]; |
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then |
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echo "Key '$1' already exists! Choose some other key" |
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else |
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_path_map[$1]=`pwd` |
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echo "$1=`pwd`" >> $MAP_FILE |
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echo "New mapping saved: [$1=`pwd`]" |
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fi |
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} |
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function nav_remove(){ |
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check=${+_path_map[$1]} |
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if [ $check -eq 1 ]; |
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then |
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unset _path_map |
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_exp=/^$1=/d |
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sed -i $_exp $MAP_FILE |
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nav_prep_map |
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echo "Key '$1' has been removed!" |
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else |
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echo "Key '$1' do not exists!" |
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fi |
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} |
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function nav_prep_map(){ |
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typeset -gA _path_map |
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while IFS=$':=' read key value; |
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do |
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_path_map[$key]=$value |
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done < $MAP_FILE |
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} |
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function nav_usage(){ |
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echo "" |
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echo "nav [id] [options]" |
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echo "\t-h => display this usage" |
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echo "\t<id> => unique id for a path" |
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echo "\t-l => list id-to-path mappings" |
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echo "\t-a=[id] => create a new map entry" |
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echo "\t\t having [id] as key and 'pwd' as value" |
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echo "\t-r=[id] => removes an entry from map" |
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echo "" |
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} |
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function nav_list_map(){ |
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echo "" |
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echo "ID-to-Path mappings:" |
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echo "--------------------" |
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echo "" |
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for key in "${(@k)_path_map}"; |
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do |
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echo "$key=$_path_map[$key]" |
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done |
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echo "" |
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} |
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function nav(){ |
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nav_prep_map |
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if [ "$1" != "" ]; |
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then |
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if [ "$1" = "-h" ]; |
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then |
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nav_usage |
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elif [ "$1" = "-l" ]; |
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then |
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nav_list_map |
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elif [[ $1 =~ -a= ]]; #check if passed arg is similar to '-a=[id]' |
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then |
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local arg |
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local _new_id |
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arg=$1 |
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_new_id=${arg[(ws:=:)2]} |
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nav_add $_new_id |
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if [ $? -eq 0 ]; |
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then |
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echo "Completed!" |
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else |
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echo "Error: while saving id=$_new_id" |
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fi |
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elif [[ $1 =~ -r= ]]; #check if opt is '-r=[id]' |
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then |
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local arg |
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local _id |
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arg=$1 |
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_id=${arg[(ws:=:)2]} |
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nav_remove $_id |
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else |
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check=${+_path_map[$1]} #check cmd exists in map or not |
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if [ $check -eq 1 ]; |
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then |
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cd $_path_map[$1] |
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else |
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echo "" |
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echo "Invalid id or parameter passed!" |
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echo "Use -l to see all mappings" |
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echo "Use -h for more info" |
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echo "" |
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nav_usage |
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fi |
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fi |
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else |
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echo "" |
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echo "No option or id passed as argument!" |
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echo "Use -h for more info" |
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echo "" |
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nav_usage |
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fi |
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} |
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compdef _nav_options nav |
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nav_prep_map |
