#!/bin/bash
######################################################################
#
#   tcar - The CentOS Artwork Repository automation tool.
#   Copyright © 2014 The CentOS Artwork SIG
#
#   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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#   Alain Reguera Delgado <al@centos.org.cu>
#   39 Street No. 4426 Cienfuegos, Cuba.
#
######################################################################

# Print greeting messages in camel-case (e.g., "HeLlO, WoRlD!").  The
# output is printed out one character per line. This might not have
# sense but it helps to describe how execution of sibling modules
# work. Notice that, when printing final output, punctuation marks
# doesn't count for formating. 
function camel {

    local GREETING_CAMEL=1
    local GREETING_OFFSET=0
    local GREETING_CHARS=${#HELLO_WORLD}
    local GREETING_MESSAGE=${HELLO_WORLD}

    while [[ ${GREETING_OFFSET} -lt ${GREETING_CHARS} ]]; do

        local HELLO_WORLD=${GREETING_MESSAGE:${GREETING_OFFSET}:1}

        if [[ ${GREETING_MESSAGE:${GREETING_OFFSET}:1} =~ '[[:alpha:]]' ]];then

            if [[ ${GREETING_CAMEL} -eq 1 ]];then
                tcar_setModuleEnvironment -m 'upper' -t 'sibling'
                GREETING_CAMEL=0
            else
                tcar_setModuleEnvironment -m 'lower' -t 'sibling'
                GREETING_CAMEL=1
            fi

        else
            
            if [[ ${GREETING_MESSAGE:${GREETING_OFFSET}:1} =~ ' ' ]];then
                HELLO_WORLD='·'
            fi

            tcar_printMessage "${HELLO_WORLD}" --as-stdout-line

        fi

        GREETING_OFFSET=$(( ${GREETING_OFFSET} + 1 ))

    done

}