readparagraph.sh

#!/bin/bash
#
# aliased as : paragraph='/path/to/this/file.sh $$'
# it recieves the pid of current terminal as
# first argument $1 to use for zoom function
# defined bellow
#

pyScr="$(dirname $(realpath "$0") )/rParagraph.py"

green="\\\033[1;32m"

colors[0]="\\\033[1;31m"    #red
colors[1]="\\\033[1;34m"    #blue
colors[2]="\\\033[1;33m"    #yellow


file=$(python "$pyScr" get |cut -d: -f2)
fid=$(python "$pyScr" get |cut -d: -f1)
lastP=$(python "$pyScr" getp "$fid" )

lastP=$(( lastP +1 ))
if [[ $2 == "-" ]] ; then lastP=$(( lastP -1 )) ; fi
if [[ $2 == "--" ]] ; then lastP=$(( lastP -2 )) ; fi
if (( $lastP <=0 )) ; then lastP=1 ; fi

do_not_encr=0
speak=0

i=0
while read -r w ; do
    Hwords[$i]=$w
    i=$((i+1))
done <<< "$(python "$pyScr" getw "$fid")"


function _printhelp () {
    printf '\033[1;31m  %-23s\033[1;0m\t%s\n' "$1" "$2"
}

function help_f(){
    printf '\033[01;0m'
    echo "
        read a text file paragraph by paragraph
    "
    _printhelp "h"                     "print this help"
    _printhelp "a [filename]"          "add file to database"
    _printhelp "c"                     "display current file"
    _printhelp "favs"                  "display indeces of favorite paragraphs"
    _printhelp ""                      "of current selected file"
    _printhelp "f [number]"            "go to fav paragraph"
    _printhelp "af [number]"           "add paragraph to favs"
    _printhelp "o"                     "xdg-open current file"
    _printhelp "[number]"              "jump to paragraph"
    _printhelp "s"                     "select current file"
    _printhelp "ss [pattern]"          "search for pattern"
    _printhelp "w [word/sentence]"     "add words to be colored"
    _printhelp ""                      "first one is red, 2nd is blue"
    _printhelp ""                      "and the rest is yellow"
    _printhelp "words"                 "print colored words for current file"
    _printhelp "rw"                    "remove a colored word"
    exit
}

function display_center(){
    line="$1"
    columns="$(tput cols)"
    printf "%*s\n" $(( (${#line} + columns) / 2)) "$line"
}

function rmWord(){
    w=$(
        python "$pyScr" getw "$fid" |
        rofi -i -dmenu -p "select word to delete" -width -50
    )
    [[ ! -z "$w" ]] && python "$pyScr" rmw "$fid" "$w"
    echo "($fid,$w) deleted"
    exit
}

function set_file(){
    f=$(
        python "$pyScr" all |
        awk -F: '
            function basename(file) {
                sub(".*/", "", file)
                return file
            }
            {
                printf("%s:%s\n",$1,basename($2))
            }
        '|
        rofi -i -dmenu -p "$3" -width -100 -columns 1
    )
    [[ -z "$f" ]] && exit
    fid=${f%:*}
    python "$pyScr" "set" "$fid"
    exit
}

function readIT(){
    local lastP=$1
    local count=$2
    local file=$3
    local pattern="$4"
    awk -v par="$lastP" -v c="$count" -v pat="$pattern" '
        BEGIN{
            p=0;
            str="";
        }
        NF == 0 {
            p = p +1 ;
        }
        length(pat) && index($0, pat){
        msg = msg "pattern found in paragraph " (p+1) "\n"
        }
        {
            if ( $0 ~ /^    [A-Z]/ ) {
                p = p +1 ;
            }
            if ( p == par ) {
                str = str " " $0 "\n"
            }
        }
        END {
            if ( c == -1 ) {
                print p
            }else {
                if (length(pat)){
                    printf msg
                }
                else {
                    print str
                }
            }
        }
    ' "$file"
}
function addFav(){
    if [[ -z "$1" ]]
        then local lastP=$((lastP-1))
        else local lastP=$1
    fi
    python "$pyScr" "addf" "$fid" "$lastP"
    echo "($fid,$lastP) added"
    exit
}

function zoom(){
    local ff="/tmp/paragrap-$1"
    oldzoom=$(cat "$ff" 2>/dev/null || echo 0)
    (( $oldzoom == 5 )) && return
    newzoom=0
    for ii in {1..5} ; do
        xdotool key ctrl+shift+KP_Add
        newzoom=$((newzoom+1))
    done
    echo "$newzoom" > "$ff"
}

zoom "$1"

case "$2" in
    h)  help_f ;;
    a)
        fid=$( python "$pyScr" add "$PWD/$3" )
        python "$pyScr" "set" "$fid"
        exit
        ;;
    c)
        echo "$file"
        exit
        ;;
    favs)
        python "$pyScr" "getfs" "$fid"
        exit
        ;;
    f)
       n='^[0-9]*$'
       [[ -z $3 ]] && exit
       ! [[ $3 =~ $n ]] && exit
       lastP=$(python "$pyScr" "getf" "$fid" "$3" )
       do_not_encr=1
       ;;
   af) addFav "$3" ;;
    o) xdg-open "$file" & disown
       exit
       ;;
    s) set_file ;;
   ss)
       readIT 0 0 "$file" "$3"
       exit
       ;;
   rw) rmWord ;;
   read) speak=1;;
    words)
        python "$pyScr" getw "$fid"
        exit
        ;;
    w)
        python "$pyScr" "addw" "$fid" "$3"
        exit
        ;;
    *)
        n='^[0-9]*$'
        if ! [[ -z "$2" ]] && [[ $2 =~ $n ]]
            then lastP=$2
        fi
esac


[[ -z "$lastP" ]] && lastP=1

TOTAL=$(readIT "$lastP" -1 "$file")
TEXT=$(readIT "$lastP"  0 "$file" )
(( $speak == 1 )) && TEXTTOSPEAK=$TEXT

if ! [[ -z "${Hwords[@]}" ]] ; then
for (( i = 0;i<${#Hwords[@]};i++ )) ; do
    if (( $i < 2 ))
        then
            Cwords[$i]="${colors[$i]}${Hwords[$i]}$green"
        else
            Cwords[$i]="${colors[2]}${Hwords[$i]}$green"
    fi
    TEXT=$(
        echo "$TEXT" |
        sed "s@${Hwords[$i]}@${Cwords[$i]}@g"
    )
done
fi

tput reset
printf '\033[1;34m'
display_center "> $(basename "$file") <"
printf '\033[1;32m'
printf "$TEXT" | fmt -w 85 -s
echo
display_center "$lastP/$TOTAL"


if (( $do_not_encr == 0 )) ; then
    python "$pyScr" setp "$fid" "$lastP"
fi

(( $speak == 1 )) && {
    echo "$TEXTTOSPEAK" | espeak -ven-us+f5 -a10 >/dev/null 2>&1
}