#!/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

}