#!/bin/bash

#

# render_doIdentityTextFormats.sh -- This function gives format to

# text files.

#

# Copyright (C) 2009, 2010 Alain Reguera Delgado

# 

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License as

# published by the Free Software Foundation; either version 2 of the

# License, or (at your option) any later version.

# 

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function render_doIdentityTextFormats {

   # Define file path.

   local FILE="$1"

   # Define temporal file path.

   local TMPFILE=$(cli_getTemporalFile "${FILE}")

   # Get action to do over text file.

   local OPTIONS=$(render_getConfOption "$2" '2-')

   # Remove some fmt's options. As we are applying fmt's options to a

   # file directly, there are some options like --version and --help

   # that are of little use here.

   OPTIONS=$(echo "$OPTIONS" | sed -r 's!--(version|help)!!g')

   # Define current file format. Use just the first word returned by

   # the command `file' as identifier.

   local FILE_FORMAT=$(file $FILE | cut -d' ' -f2)

   # Do format based on file format.

   case $FILE_FORMAT in

      ASCII | UTF-8 )

      # Apply OPTIONS to plain text files. Doing the same with html

      # (and similar) files can mess up the markup, so apply format

      # options to plain text only.

      cat $FILE | fmt $(echo -n "$OPTIONS") > ${TMPFILE}

      mv ${TMPFILE} ${FILE}

      ;;

   esac

}