properly added shell completions

[charsel.git] / charsel

diff --git a/charsel b/charsel
index c274ef84a53beee3aedad859a1093c6ad23c19ee..cef174685cf360ca8b4651ede1b25766573d420f 100755 (executable)
--- a/charsel
+++ b/charsel
@@ -19,26 +19,33 @@
 
 ########################################################################
 
+VERSION=2.0.7
+
+# Environment variables
+
 # 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
-      --all       include hidden shortcodes
+  -a         include hidden shortcodes
+  -b         disable color support
+  -c         check charfile validity
+  -d         show readme
+  -h         show this message
+  -L         show installed charfiles without the message
+  -l         show installed charfiles
+  -v         print version
 
 Exit status:
-  0    okay,
-  1    charfile does not exist,
-  2    charfile syntax error,
-  3    usage error/invalid option,
-  4    other error"
+   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
 }
 
@@ -46,19 +53,12 @@ function readme() {
   cat /usr/share/doc/charsel/README.md
 }
 
-function invalid_charfile() {
+function missing_charfile() {
   echo "The selected charfile is missing or invalid"
   list
   exit 1
 }
 
-# Check if Xclip is installed
-if [[ -x xclip ]]
-then
-  echo "Please install xclip."
-  exit 4
-fi
-
 # Merge global and local charfiles
 if [[ -d $CHARDIR ]]
 then
@@ -85,8 +85,33 @@ then
   cp -rf /usr/share/charsel/* $CHARDIR
 fi
 
+# 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 ":lhd" arg
+if [ $# -eq 0 ]; then
+  usage
+  exit 3
+fi
+while getopts ":baLlchdv" arg
 do
   case ${arg} in
     h)
@@ -94,6 +119,11 @@ do
       exit 0
       ;;
     l)
+      echo "The following charfiles are installed:"
+      list
+      exit 0
+      ;;
+    L)
       list
       exit 0
       ;;
@@ -101,32 +131,45 @@ do
       readme
       exit 0
       ;;
+    v)
+      echo "charsel" $VERSION
+      exit 0
+      ;;
+    c)
+      validity
+      exit 0
+      ;;
+    a)
+      SHOWALL="true"
+      ;;
+    b)
+      COLOR="bw"
+      ;;
     ?)
       echo "Invalid option"
       usage
       exit 3
       ;;
-    :)
-      break
-      ;;
   esac
 done
 shift $((OPTIND-1))
 
-# Check if charfile exists
+# Redefine charfile and check file validity
 CHARFILE="$CHARDIR/charfiles/$1"
-if [[ ! -f $CHARFILE ]]
+existence
+validity
+
+# Dependency check
+if [[ -x xclip ]]
 then
-  invalid_charfile
+  echo "Please install xclip."
+  exit 4
 fi
 
-# VERY basic syntax validation
-if [[ $(grep , $CHARFILE && grep - $CHARFILE) ]]
+if [[ $(echo $LANG | grep UTF-8) -ne 0 ]]
 then
-  echo "valid charfile"
-else
-  echo "invalid charfile"
-  exit 2
+  echo "Please enable unicode support"
+  exit 4
 fi
 
 # Define length of shortcode
@@ -137,22 +180,35 @@ LENGTH=$(cat $CHARFILE \
 
 clear
 
+# Define text formatting
+bold=$(tput bold)
+normal=$(tput sgr0)
+
+if [[ $COLOR == bw ]]
+then
+  magenta=$(tput setaf 7)
+else
+  magenta=$(tput setaf 5)
+fi
+
+white=$(tput setaf 7)
+
 # Main program
 while true
 do
   # Format output
   echo "*---------*---------------*"
-  echo "| CHARSEL |" $1
+  echo "| ${bold}${magenta}CHARSEL${white}${normal} |" $1
   echo "*---------*---------------*"
   echo ""
 
-  if [[ $2 == "--all" ]]
+  if [[ $SHOWALL == true ]]
   then
     cat $CHARFILE | sed -e '/^[ \t]*#/d' | tail -n +2 \
-      | column -t -N input,output --output-separator ' | ' --separator ','
+      | column -t -N "input","output" --output-separator ' | ' --separator ','
   else
     cat $CHARFILE | sed -e '/^[ \t]*#/d' | grep -A 100 - | tail -n +2 \
-      | column -t -N input,output --output-separator ' | ' --separator ','
+      | column -t -N "input","output" --output-separator ' | ' --separator ','
   fi
 
   echo ""
@@ -162,29 +218,32 @@ do
   echo "*-------------------------*"
 
   # 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)
+  read -p "| ${bold}input shortcode: ${normal}  " -N $LENGTH INPUT
 
-  # Outputs character 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" ]]
-  then
-    OUTPUT=""
-  fi
-
-  if [[ $INPUT == ";"* ]]
+  if [[ $INPUT == ";"* ]] # Semicolon exts
   then
     clear
     exit 0
-  fi
+  elif [[ $INPUT == " "* ]]  # Spaces dont count
+  then
+    OUTPUT=""
+    clear
+  else
+    # Finds line number of shortcode
+    LINENUMBER=$(cut -f 1 -d ',' -s $CHARFILE | grep -wn $INPUT | cut -d : -f 1)
+
+    # Outputs character selected above
+    OUTPUT=$(cut -f 2 -d ',' -s $CHARFILE | head -$LINENUMBER | tail +$LINENUMBER)
 
-  # Copy output to clipboard
-  echo $OUTPUT | xclip -selection clipboard
+    # Check to see if the shortcode actually exists
+    if [[ $(cut -f 1 -d ',' -s $CHARFILE | grep -wnc $INPUT) == "0" ]]
+    then
+      OUTPUT=""
+    fi
 
-  clear
+    # Copy output to clipboard
+    echo -n $OUTPUT | xclip -selection clipboard
+
+    clear
+  fi
 done