#!/bin/bash

# Input filters are useful also for non interactive shells (e.g. from vim), so
# expand them unconditionally.
shopt -s expand_aliases

if command -v php &> /dev/null;
then
  # Encode/decode HTML special characters.
  alias htmlencode="php -r 'echo htmlspecialchars(file_get_contents(\"php://stdin\"), ENT_COMPAT | ENT_XHTML, \"UTF-8\", false);'"
  alias htmldecode="php -r 'echo htmlspecialchars_decode(file_get_contents(\"php://stdin\"), ENT_COMPAT | ENT_XHTML);'"
fi

# Decode URL encoded strings.
# From https://stackoverflow.com/questions/6250698/how-to-decode-url-encoded-string-in-shell
urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; }

# Probably a more robust one.
#alias urldecode='python -c "import sys, urllib as ul; print ul.unquote(sys.stdin.read());"'