termlink

#!/usr/bin/env bash

set -eEuCo pipefail || exit 2

# options and default values
declare -i INTELLIJ_PORT="${INTELLIJ_PORT:-63342}"
declare -i INTELLIJ_REMOTE_CALL_PORT="${INTELLIJ_REMOTE_CALL_PORT:-8091}"
declare TERMLINK_APP="xdgOpen"

declare -r CONFIG="${XDG_CONFIG_HOME:-$HOME/.config}/termlink/config"

[ -e "$CONFIG" ] && source "$CONFIG"

# no need to modify anything below this line
readonly INTELLIJ_PORT INTELLIJ_REMOTE_CALL_PORT TERMLINK_APP

shopt -s extglob

function has() {
    type "$1" &>/dev/null
}

# Open file in GNU Emacs using emacsclient
function emacs() {
    local -r FILE="${1%%:+([0-9])?(:+([0-9]))}"
    local -r POS="${1:${#FILE}+1}"

    exec emacsclient -n ${POS:++}${POS} "${FILE}"
}

# Open file in Visual Studio Code / Codium
function vscode() {
    local CODE=code
    if has codium; then
      CODE=codium
    fi
    exec "$CODE" --goto "$1"
}

# IntelliJ Remote Call plugin (deprecated, use `intellij`)
#
# see https://plugins.jetbrains.com/plugin/6027-remote-call
function intellijRemoteCall() {
    exec 5<> /dev/tcp/localhost/$INTELLIJ_PORT
    printf 'GET /?message=%s HTTP/1.0\r\n\r\n' "$1" >&5 5>>/dev/null
    exec 5<&- 5>&-
}

# IntelliJ REST API
#
# see http://www.develar.org/idea-rest-api/#api-Platform-file
#
function intellij() {
    exec 5<> /dev/tcp/localhost/$INTELLIJ_PORT
    printf 'GET /api/file/%s HTTP/1.0\r\nORIGIN: http://localhost\r\n\r\n' "$1" >&5 5>>/dev/null
    exec 5<&- 5>&-
}

function xdgOpen() {
    local -r FILE="${1%%:+([0-9])?(:+([0-9]))}"

    exec xdg-open "$FILE"
}

######

declare -r URL="$1"

if [[ "$URL" =~ termlink://(.*) ]]; then
    "$TERMLINK_APP" "${BASH_REMATCH[1]}"
else
    echo "unsupported URL: $URL"
    exit 1
fi