X-Git-Url: https://git.armaanb.net/?p=charsel.git;a=blobdiff_plain;f=charsel;h=6e687e681f7c54bfe9d6915e34b6f4f456249765;hp=d2e7525e0c246a9b4a4a165d024e169ce22c9d74;hb=5a438f89bca0f0d143ece98d3aa149d97a354702;hpb=76db80f5cf647e9aa47cd1404e7acd5107166dfb

diff --git a/charsel b/charsel
index d2e7525..6e687e6 100755
--- a/charsel
+++ b/charsel
@@ -19,53 +19,136 @@
 
 ########################################################################
 
-# Merge global and local charfiles
+VERSION=2.0.1
+
+# Define argument functions
+function usage() {
+  echo "Usage: /usr/bin/charsel [OPTION]... [CHARFILE]...
+A simple terminal character selector
+  -h              show this message
+  -l              show installed charfiles
+  -d              show readme
+  -v              print version
+  -c              check charfile validity
+      --all       include hidden shortcodes
+
+Exit status:
+  0    okay,
+  1    charfile does not exist,
+  2    charfile syntax error,
+  3    usage error/invalid option,
+  4    other error"
+}
+
 CHARDIR=$HOME/.cache/charsel
+function list() {
+  echo "The following charfiles are installed:"
+  ls $CHARDIR/charfiles
+}
 
-if [[ ! -d $CHARDIR ]]
-then
-  mkdir $CHARDIR/
-elif [[ ! "$(ls -A $CHARDIR)" ]]
+function readme() {
+  cat /usr/share/doc/charsel/README.md
+}
+
+function missing_charfile() {
+  echo "The selected charfile is missing or invalid"
+  list
+  exit 1
+}
+
+# Merge global and local charfiles
+if [[ -d $CHARDIR ]]
 then
-  cp -rf /usr/share/charsel/- $CHARDIR/
-  cp -rf $HOME/.local/share/charsel/- $CHARDIR/
+  rm -rf $CHARDIR/*
+else
+  mkdir $CHARDIR
 fi
 
-# Check for xclip
-if [[ ! -f "$(which xclip)" ]]
+LOCALCHARDIR=$HOME/.local/share/charsel/charfiles
+if [[ ! -d $LOCALCHARDIR ]]
 then
-  echo "Please install xclip."
-  exit 1
+  mkdir -p $LOCALCHARDIR
 fi
 
-# Check for user inputs
-if [[ $1 == "-l" \
-  || $1 == "--list" ]]
-then
-  echo "The following charfiles are installed:"
-  ls $CHARDIR/charfiles
-  exit 0
-elif [[ $1 == "-h" \
-  || $1 == "--help" ]]
+localdirfiles=($LOCALCHARDIR/*)
+if [[ ! -z "${#localdirfiles[*]}" ]]
 then
-  cat /usr/share/doc/charsel/usage
-  exit 0
-elif [[ $1 == "-d" \
-  || $1 == "--doc" ]]
+  cp -rf $LOCALCHARDIR/../* $CHARDIR
+fi
+
+globaldirfiles=($/usr/share/charfiles/)
+if [[ ! -z "${#globaldirfiles[*]}" ]]
 then
-  cat /usr/share/doc/charsel/README.md
-  exit 0
+  cp -rf /usr/share/charsel/* $CHARDIR
 fi
 
-# Define charfile path
-CHARFILE=$CHARDIR/charfiles/$1
+# Check if charfile exists
+CHARFILE="$CHARDIR/charfiles/$2"
+function existence() {
+  if [[ ! -f $CHARFILE ]]
+  then
+    missing_charfile
+  fi
+}
+
+# VERY basic syntax check
+function validity() {
+  if [[ $(grep , $CHARFILE && grep - $CHARFILE) ]]
+  then
+    echo "valid charfile"
+  else
+    existence
+    echo "invalid charfile"
+    exit 2
+  fi
+}
+
+# Look for arguments
+while getopts ":lchdv" arg
+do
+  case ${arg} in
+    h)
+      usage
+      exit 0
+      ;;
+    l)
+      list
+      exit 0
+      ;;
+    d)
+      readme
+      exit 0
+      ;;
+    v)
+      echo "charsel" $VERSION
+      exit 0
+      ;;
+    c)
+      validity
+      exit 0
+      ;;
+    ?)
+      echo "Invalid option"
+      usage
+      exit 3
+      ;;
+    :)
+      break
+      ;;
+  esac
+done
+shift $((OPTIND-1))
+
+# Redefine charfile and check file validity
+CHARFILE="$CHARDIR/charfiles/$1"
+existence
+validity
 
-# Check if given charfile exists
-if [[ ! -f $CHARFILE ]]
+# Dependency check
+if [[ -x xclip ]]
 then
-  echo "Please enter a valid charfile."
-  charsel -l
-  exit 1
+  echo "Please install xclip."
+  exit 4
 fi
 
 # Define length of shortcode
@@ -87,15 +170,10 @@ do
 
   if [[ $2 == "--all" ]]
   then
-    cat $CHARFILE \
-      | sed -e '/^[ \t]*#/d' \
-      | tail -n +2 \
+    cat $CHARFILE | sed -e '/^[ \t]*#/d' | tail -n +2 \
       | column -t -N input,output --output-separator ' | ' --separator ','
   else
-    cat $CHARFILE \
-      | sed -e '/^[ \t]*#/d' \
-      | grep -A 100 - \
-      | tail -n +2 \
+    cat $CHARFILE | sed -e '/^[ \t]*#/d' | grep -A 100 - | tail -n +2 \
       | column -t -N input,output --output-separator ' | ' --separator ','
   fi
 
@@ -108,28 +186,30 @@ do
   # User input
   read -p "| input shortcode:   " -N $LENGTH INPUT
 
-  # This can definately be simplifed, but it works fine
-  # Finds line number of shortcode
-  LINENUMBER=$(cut -f 1 -d ',' -s $CHARFILE \
-    | grep -wn $INPUT \
-    | cut -d : -f 1)
-
-  # Outputs charachter selected above
-  OUTPUT=$(cut -f 2 -d ',' -s $CHARFILE \
-    | head -$LINENUMBER \
-    | tail +$LINENUMBER)
-
-  # Check to see if the shortcode actually exists
-  if [[ $(cut -f 1 -d ',' -s $CHARFILE \
-    | grep -wnc $INPUT) == "0" ]]
+  if [[ $INPUT == ";"* ]] # Semicolon exits
+  then
+    clear
+    exit 0
+  elif [[ $INPUT == " "* ]]  # Spaces dont count
   then
     OUTPUT=""
-  fi
+    clear
+  else
+    # Finds line number of shortcode
+    LINENUMBER=$(cut -f 1 -d ',' -s $CHARFILE | grep -wn $INPUT | cut -d : -f 1)
 
-  # Copy output to clipboard
-  echo $OUTPUT \
-    | xclip -selection clipboard
+    # Outputs character selected above
+    OUTPUT=$(cut -f 2 -d ',' -s $CHARFILE | head -$LINENUMBER | tail +$LINENUMBER)
 
-  clear
+    # Check to see if the shortcode actually exists
+    if [[ $(cut -f 1 -d ',' -s $CHARFILE | grep -wnc $INPUT) == "0" ]]
+    then
+      OUTPUT=""
+    fi
 
+    # Copy output to clipboard
+    echo $OUTPUT | xclip -selection clipboard
+
+    clear
+  fi
 done